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* snapshot 05/05: ssh segmentation fault within screen
@ 2014-05-06  3:10 Shaddy Baddah
  2014-05-06 16:39 ` Corinna Vinschen
  0 siblings, 1 reply; 9+ messages in thread
From: Shaddy Baddah @ 2014-05-06  3:10 UTC (permalink / raw)
  To: cygwin

[-- Attachment #1: Type: text/plain, Size: 529 bytes --]

Hi,

I've just dropped snapshot 2014-05-05 into my 64bit Cygwin install.

I am getting a segmentation fault running ssh from within a screen
session. Regardless of the arguments passed:

$ ssh -V
OpenSSH_6.6.1p1, OpenSSL 1.0.1g 7 Apr 2014

$ screen
<cleared screen>
Screen version 4.01.00devel (GNU) 2-May-06
...
                                             [Press Space or Return to end.]
<cleared screen>
$ ssh -V
Segmentation fault (core dumped)

I've attached the stackdump file, as well as cygcheck,out.

-- 
Thanks,
Shaddy

[-- Attachment #2: ssh.exe.stackdump --]
[-- Type: text/plain, Size: 515 bytes --]

Exception: STATUS_ACCESS_VIOLATION at rip=0018016D8BD
rax=0000000000000000 rbx=00000003F71A6010 rcx=0000000000000000
rdx=0000000000000000 rsi=00000001802E5210 rdi=0000000000000000
r8 =0000000000000000 r9 =0000000000000068 r10=0000000000230000
r11=0000000100421114 r12=0000000000000002 r13=0000000000000000
r14=0000000000000000 r15=0000000000000000
rbp=0000000000000010 rsp=0000000000228178
program=C:\Users\Public\portapps\cygwin64\bin\ssh.exe, pid 5084, thread main
cs=0033 ds=002B es=002B fs=0053 gs=002B ss=002B

[-- Attachment #3: cygcheck.out --]
[-- Type: text/plain, Size: 91189 bytes --]


Cygwin Configuration Diagnostics
Current System Time: Tue May 06 03:03:30 2014

Windows 7 Enterprise Ver 6.1 Build 7601 Service Pack 1

Path:	C:\Users\Public\portapps\cygwin64\usr\local\bin
	C:\Users\Public\portapps\cygwin64\bin
	C:\Program Files (x86)\PC Connectivity Solution
	C:\Program Files\Common Files\Microsoft Shared\Windows Live
	C:\Program Files (x86)\Common Files\Microsoft Shared\Windows Live
	C:\Windows\system32
	C:\Windows
	C:\Windows\System32\Wbem
	C:\Windows\System32\WindowsPowerShell\v1.0
	C:\Program Files (x86)\Enterprise Vault\EVClient
	C:\Program Files (x86)\Windows Live\Shared
	C:\Program Files\ThinkPad\Bluetooth Software
	C:\Program Files\ThinkPad\Bluetooth Software\syswow64
	C:\Program Files (x86)\Lenovo\Access Connections
	C:\Program Files (x86)\GtkSharp\2.12\bin
	C:\Program Files\Intel\WiFi\bin
	C:\Program Files\Common Files\Intel\WirelessCommon
	C:\SWTOOLS\ReadyApps
	C:\Program Files\Intel\WiFi\bin
	C:\Program Files\Common Files\Intel\WirelessCommon

Output from C:\Users\Public\portapps\cygwin64\bin\id.exe
UID: 42037(sbaddah)
GID: 10513(Domain Users)
10513(Domain Users)
545(Users)
4(+INTERACTIVE)
66049(+CONSOLE LOGON)
11(+Authenticated Users)
15(+This Organization)
4095(CurrentSession)
66048(+LOCAL)
... elided domain groups
401408(+Medium Mandatory Level)

SysDir: C:\Windows\system32
WinDir: C:\Windows

USER = 'sbaddah'
PWD = '/home/sbaddah/cygwin64-home'
HOME = '/home/sbaddah/cygwin64-home'

HOMEPATH = '\Users\sbaddah'
MANPATH = '/usr/local/man:/usr/share/man:/usr/man:/usr/ssl/man'
READYAPPS = 'C:\SWTOOLS\ReadyApps'
APPDATA = 'C:\Users\sbaddah\AppData\Roaming'
ProgramW6432 = 'C:\Program Files'
HOSTNAME = 'elided'
SHELL = '/bin/bash'
TERM = 'xterm'
PROCESSOR_IDENTIFIER = 'Intel64 Family 6 Model 37 Stepping 5, GenuineIntel'
PROFILEREAD = 'true'
WINDIR = 'C:\Windows'
TVT = 'C:\Program Files (x86)\Lenovo'
PUBLIC = 'C:\Users\Public'
OLDPWD = '/usr/bin'
ORIGINAL_PATH = '/cygdrive/c/Program Files (x86)/PC Connectivity Solution:/cygdrive/c/Program Files/Common Files/Microsoft Shared/Windows Live:/cygdrive/c/Program Files (x86)/Common Files/Microsoft Shared/Windows Live:/cygdrive/c/Windows/system32:/cygdrive/c/Windows:/cygdrive/c/Windows/System32/Wbem:/cygdrive/c/Windows/System32/WindowsPowerShell/v1.0:/cygdrive/c/Program Files (x86)/Enterprise Vault/EVClient:/cygdrive/c/Program Files (x86)/Windows Live/Shared:/cygdrive/c/Program Files/ThinkPad/Bluetooth Software:/cygdrive/c/Program Files/ThinkPad/Bluetooth Software/syswow64:/cygdrive/c/Program Files (x86)/Lenovo/Access Connections:/cygdrive/c/Program Files (x86)/GtkSharp/2.12/bin:/cygdrive/c/Program Files/Intel/WiFi/bin:/cygdrive/c/Program Files/Common Files/Intel/WirelessCommon:/cygdrive/c/SWTOOLS/ReadyApps:/cygdrive/c/Program Files/Intel/WiFi/bin:/cygdrive/c/Program Files/Common Files/Intel/WirelessCommon'
USERDOMAIN = 'AU'
TSMPATH = 'C:\Program Files\ThinkPad\UltraNav Utility'
COMMPath = 'C:\Program Files\Lenovo\Communications Utility'
CommonProgramFiles(x86) = 'C:\Program Files (x86)\Common Files'
ACPath = 'C:\Program Files (x86)\Lenovo\Access Connections\'
UATDATA = 'C:\Windows\SysWOW64\CCM\UATData\D9F8C395-CAB8-491d-B8AC-179A1FE1BE77'
OS = 'Windows_NT'
ALLUSERSPROFILE = 'C:\ProgramData'
VBOX_INSTALL_PATH = 'C:\Program Files\Oracle\VirtualBox\'
!:: = '::\'
TEMP = '/tmp'
DEFLOGDIR = 'C:\ProgramData\McAfee\DesktopProtection'
COMMONPROGRAMFILES = 'C:\Program Files\Common Files'
GTK_BASEPATH = 'C:\Program Files (x86)\GtkSharp\2.12\'
SSH_AUTH_SOCK = '/tmp/ssh-kKzXHVT7rkSj/agent.7520'
USERNAME = 'sbaddah'
PROCESSOR_LEVEL = '6'
ProgramFiles(x86) = 'C:\Program Files (x86)'
PSModulePath = 'C:\Windows\system32\WindowsPowerShell\v1.0\Modules\'
FP_NO_HOST_CHECK = 'NO'
SYSTEMDRIVE = 'C:'
LANG = 'en_US.UTF-8'
USERPROFILE = 'C:\Users\sbaddah'
TFS_DIR = 'C:\Program Files\ThinkVantage Fingerprint Software\'
TZ = 'Australia/Sydney'
PS1 = '\[\e]0;\w\a\]\n\[\e[32m\]\u@\h \[\e[33m\]\w\[\e[0m\]\n\$ '
LOGONSERVER = '\\ELIDED'
CommonProgramW6432 = 'C:\Program Files\Common Files'
PROCESSOR_ARCHITECTURE = 'AMD64'
LOCALAPPDATA = 'C:\Users\sbaddah\AppData\Local'
ProgramData = 'C:\ProgramData'
EXECIGNORE = '*.dll'
SHLVL = '1'
USERDNSDOMAIN = 'elided'
PATHEXT = '.COM;.EXE;.BAT;.CMD;.VBS;.VBE;.JS;.JSE;.WSF;.WSH;.MSC'
HOMEDRIVE = 'C:'
COMSPEC = 'C:\Windows\system32\cmd.exe'
TMP = '/tmp'
SYSTEMROOT = 'C:\Windows'
PRINTER = 'PDFCreator'
PROCESSOR_REVISION = '2505'
INFOPATH = '/usr/local/info:/usr/share/info:/usr/info'
PROGRAMFILES = 'C:\Program Files'
NUMBER_OF_PROCESSORS = '4'
VSEDEFLOGDIR = 'C:\ProgramData\McAfee\DesktopProtection'
SESSIONNAME = 'Console'
COMPUTERNAME = 'elided'
_ = '/usr/bin/cygcheck'

HKEY_CURRENT_USER\Software\Cygwin
HKEY_CURRENT_USER\Software\Cygwin\Installations
  (default) = '\??\C:\Users\Public\portapps\cygwin64'
  bef1412e76df08b7 = '\??\c:\Users\Public\portapps\cygwin'
  455fa1c3c0639f5f = '\??\c:\Users\Public\portapps\cygwin'
  0f805c407ff50485 = '\??\C:\Users\Public\portapps\cygwin'
  6bef12d225fbf662 = '\??\c:\Users\Public\portapps\cygwin'
HKEY_CURRENT_USER\Software\Cygwin\Program Options
HKEY_CURRENT_USER\Software\Cygwin\setup
HKEY_LOCAL_MACHINE\SOFTWARE\Cygwin
HKEY_LOCAL_MACHINE\SOFTWARE\Cygwin\Installations
  (default) = '\??\C:\Users\Public\portapps\cygwin64'
HKEY_LOCAL_MACHINE\SOFTWARE\Cygwin\Program Options
HKEY_LOCAL_MACHINE\SOFTWARE\Cygwin\setup
HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Cygwin
HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Cygwin\Installations
  (default) = '\??\c:\Users\Public\portapps\cygwin'
HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Cygwin\Program Options
HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Cygwin\setup

obcaseinsensitive set to 0

Cygwin installations found in the registry:
  System: Key: eba3012ce5f32d03 Path: C:\Users\Public\portapps\cygwin64
  User:   Key: eba3012ce5f32d03 Path: C:\Users\Public\portapps\cygwin64
  User:   Key: bef1412e76df08b7 Path: c:\Users\Public\portapps\cygwin
  User:   Key: 455fa1c3c0639f5f Path: c:\Users\Public\portapps\cygwin
  User:   Key: 0f805c407ff50485 Path: C:\Users\Public\portapps\cygwin
  User:   Key: 6bef12d225fbf662 Path: c:\Users\Public\portapps\cygwin

c:  hd  NTFS    305042Mb  99% CP CS UN PA FC     OS 7
o:  net CSC-CACHE  305042Mb  99% CP    UN           Offline
s:  net NTFS    305042Mb  99% CP CS UN PA FC     OS 7
x:  hd             N/A    N/A                    
y:  hd             N/A    N/A                    

C:\Users\Public\portapps\cygwin64      /          system  binary,auto
c:\Users                               /home      system  binary
c:\Users\Public\Temp\cygwin64          /tmp       system  binary
C:\Users\Public\portapps\cygwin64\bin  /usr/bin   system  binary,auto
C:\Users\Public\portapps\cygwin64\lib  /usr/lib   system  binary,auto
cygdrive prefix                        /cygdrive  user    binary,auto

Found: C:\Users\Public\portapps\cygwin64\bin\awk
 -> C:\Users\Public\portapps\cygwin64\bin\gawk.exe
Found: C:\Users\Public\portapps\cygwin64\bin\bash.exe
Found: C:\Users\Public\portapps\cygwin64\bin\cat.exe
Found: C:\Users\Public\portapps\cygwin64\bin\cp.exe
Found: C:\Users\Public\portapps\cygwin64\bin\cpp.exe
Not Found: crontab
Found: C:\Users\Public\portapps\cygwin64\bin\find.exe
Found: C:\Windows\system32\find.exe
Warning: C:\Users\Public\portapps\cygwin64\bin\find.exe hides C:\Windows\system32\find.exe
Found: C:\Users\Public\portapps\cygwin64\bin\gcc.exe
Found: C:\Users\Public\portapps\cygwin64\bin\gdb.exe
Found: C:\Users\Public\portapps\cygwin64\bin\grep.exe
Found: C:\Users\Public\portapps\cygwin64\bin\kill.exe
Found: C:\Users\Public\portapps\cygwin64\bin\ld.exe
Found: C:\Users\Public\portapps\cygwin64\bin\ls.exe
Found: C:\Users\Public\portapps\cygwin64\bin\make.exe
Found: C:\Users\Public\portapps\cygwin64\bin\mv.exe
Found: C:\Users\Public\portapps\cygwin64\bin\patch.exe
Found: C:\Users\Public\portapps\cygwin64\bin\perl.exe
Found: C:\Users\Public\portapps\cygwin64\bin\rm.exe
Found: C:\Users\Public\portapps\cygwin64\bin\sed.exe
Found: C:\Users\Public\portapps\cygwin64\bin\ssh.exe
Found: C:\Users\Public\portapps\cygwin64\bin\sh.exe
Found: C:\Users\Public\portapps\cygwin64\bin\tar.exe
Found: C:\Users\Public\portapps\cygwin64\bin\test.exe
Found: C:\Users\Public\portapps\cygwin64\bin\vi.exe
Not Found: vim

  127k 2013/06/23 C:\Users\Public\portapps\cygwin64\bin\cygapr-1-0.dll - os=4.0 img=0.0 sys=5.2
                  "cygapr-1-0.dll" v0.0 ts=2013-06-23 18:53
  115k 2013/08/11 C:\Users\Public\portapps\cygwin64\bin\cygaprutil-1-0.dll - os=4.0 img=0.0 sys=5.2
                  "cygaprutil-1-0.dll" v0.0 ts=2013-08-11 19:13
  575k 2013/05/30 C:\Users\Public\portapps\cygwin64\bin\cygarchive-13.dll - os=4.0 img=0.0 sys=5.2
                  "cygarchive-13.dll" v0.0 ts=2013-05-30 03:06
   38k 2013/07/19 C:\Users\Public\portapps\cygwin64\bin\cygargp-0.dll - os=4.0 img=0.0 sys=5.2
                  "cygargp-0.dll" v0.0 ts=2013-07-19 15:07
  510k 2014/03/20 C:\Users\Public\portapps\cygwin64\bin\cygasn1-8.dll - os=4.0 img=0.0 sys=5.2
                  "cygasn1-8.dll" v0.0 ts=2014-03-20 04:54
  643k 2013/04/30 C:\Users\Public\portapps\cygwin64\bin\cygaspell-15.dll - os=4.0 img=0.0 sys=5.2
                  "cygaspell-15.dll" v0.0 ts=2013-04-30 08:11
    9k 2013/06/24 C:\Users\Public\portapps\cygwin64\bin\cygasprintf-0.dll - os=4.0 img=0.0 sys=5.2
                  "cygasprintf-0.dll" v0.0 ts=2013-06-24 04:36
  102k 2013/09/15 C:\Users\Public\portapps\cygwin64\bin\cygass-4.dll - os=4.0 img=0.0 sys=5.2
                  "cygass-4.dll" v0.0 ts=2013-09-15 17:16
   20k 2013/06/03 C:\Users\Public\portapps\cygwin64\bin\cygasyncns-0.dll - os=4.0 img=0.0 sys=5.2
                  "cygasyncns-0.dll" v0.0 ts=2013-06-03 20:41
  107k 2014/03/12 C:\Users\Public\portapps\cygwin64\bin\cygatk-1.0-0.dll - os=4.0 img=0.0 sys=5.2
                  "cygatk-1.0-0.dll" v0.0 ts=2014-03-12 07:45
  145k 2014/03/12 C:\Users\Public\portapps\cygwin64\bin\cygatk-bridge-2.0-0.dll - os=4.0 img=0.0 sys=5.2
                  "cygatk-bridge-2.0-0.dll" v0.0 ts=2014-03-12 08:36
   87k 2014/01/29 C:\Users\Public\portapps\cygwin64\bin\cygatomic-1.dll - os=4.0 img=0.0 sys=5.2
                  "cygatomic-1.dll" v0.0 ts=2014-01-29 01:15
  137k 2014/03/12 C:\Users\Public\portapps\cygwin64\bin\cygatspi-0.dll - os=4.0 img=0.0 sys=5.2
                  "cygatspi-0.dll" v0.0 ts=2014-03-12 08:18
   16k 2013/03/26 C:\Users\Public\portapps\cygwin64\bin\cygattr-1.dll - os=4.0 img=0.0 sys=5.2
                  "cygattr-1.dll" v0.0 ts=2013-03-26 18:26
  174k 2013/04/29 C:\Users\Public\portapps\cygwin64\bin\cygautotrace-3.dll - os=4.0 img=0.0 sys=5.2
                  "cygautotrace-3.dll" v0.0 ts=2013-04-29 09:23
   59k 2013/06/04 C:\Users\Public\portapps\cygwin64\bin\cygavahi-client-3.dll - os=4.0 img=0.0 sys=5.2
                  "cygavahi-client-3.dll" v0.0 ts=2013-06-04 05:29
   42k 2013/06/04 C:\Users\Public\portapps\cygwin64\bin\cygavahi-common-3.dll - os=4.0 img=0.0 sys=5.2
                  "cygavahi-common-3.dll" v0.0 ts=2013-06-04 05:28
   13k 2013/06/04 C:\Users\Public\portapps\cygwin64\bin\cygavahi-glib-1.dll - os=4.0 img=0.0 sys=5.2
                  "cygavahi-glib-1.dll" v0.0 ts=2013-06-04 05:29
 6819k 2013/09/18 C:\Users\Public\portapps\cygwin64\bin\cygavcodec-54.dll - os=4.0 img=0.0 sys=5.2
                  "cygavcodec-54.dll" v0.0 ts=2013-09-18 07:17
   44k 2013/09/18 C:\Users\Public\portapps\cygwin64\bin\cygavdevice-54.dll - os=4.0 img=0.0 sys=5.2
                  "cygavdevice-54.dll" v0.0 ts=2013-09-18 07:17
  706k 2013/09/18 C:\Users\Public\portapps\cygwin64\bin\cygavfilter-3.dll - os=4.0 img=0.0 sys=5.2
                  "cygavfilter-3.dll" v0.0 ts=2013-09-18 07:17
 1307k 2013/09/18 C:\Users\Public\portapps\cygwin64\bin\cygavformat-54.dll - os=4.0 img=0.0 sys=5.2
                  "cygavformat-54.dll" v0.0 ts=2013-09-18 07:17
  175k 2013/09/18 C:\Users\Public\portapps\cygwin64\bin\cygavutil-52.dll - os=4.0 img=0.0 sys=5.2
                  "cygavutil-52.dll" v0.0 ts=2013-09-18 07:17
  125k 2013/03/11 C:\Users\Public\portapps\cygwin64\bin\cygblkid-1.dll - os=4.0 img=0.0 sys=5.2
                  "cygblkid-1.dll" v0.0 ts=2013-03-11 03:08
  150k 2013/09/18 C:\Users\Public\portapps\cygwin64\bin\cygbluray-1.dll - os=4.0 img=0.0 sys=5.2
                  "cygbluray-1.dll" v0.0 ts=2013-09-18 03:42
   64k 2013/03/07 C:\Users\Public\portapps\cygwin64\bin\cygbz2-1.dll - os=4.0 img=0.0 sys=5.2
                  "cygbz2-1.dll" v0.0 ts=2013-03-07 02:54
 1061k 2014/03/13 C:\Users\Public\portapps\cygwin64\bin\cygcairo-2.dll - os=4.0 img=0.0 sys=5.2
                  "cygcairo-2.dll" v0.0 ts=2014-03-13 21:39
   26k 2014/03/13 C:\Users\Public\portapps\cygwin64\bin\cygcairo-gobject-2.dll - os=4.0 img=0.0 sys=5.2
                  "cygcairo-gobject-2.dll" v0.0 ts=2014-03-13 21:39
  122k 2014/03/13 C:\Users\Public\portapps\cygwin64\bin\cygcairo-script-interpreter-2.dll - os=4.0 img=0.0 sys=5.2
                  "cygcairo-script-interpreter-2.dll" v0.0 ts=2014-03-13 21:40
   13k 2013/03/06 C:\Users\Public\portapps\cygwin64\bin\cygcatgets1.dll - os=4.0 img=0.0 sys=5.2
                  "cygcatgets1.dll" v0.0 ts=2013-03-06 14:34
  131k 2013/08/28 C:\Users\Public\portapps\cygwin64\bin\cygcdio-14.dll - os=4.0 img=0.0 sys=5.2
                  "cygcdio-14.dll" v0.0 ts=2013-08-28 20:47
   26k 2013/08/28 C:\Users\Public\portapps\cygwin64\bin\cygcdio_cdda-1.dll - os=4.0 img=0.0 sys=5.2
                  "cygcdio_cdda-1.dll" v0.0 ts=2013-08-28 20:55
   29k 2013/08/28 C:\Users\Public\portapps\cygwin64\bin\cygcdio_paranoia-1.dll - os=4.0 img=0.0 sys=5.2
                  "cygcdio_paranoia-1.dll" v0.0 ts=2013-08-28 20:55
   88k 2013/09/15 C:\Users\Public\portapps\cygwin64\bin\cygcelt0-2.dll - os=4.0 img=0.0 sys=5.2
                  "cygcelt0-2.dll" v0.0 ts=2013-09-15 17:33
  117k 2013/05/05 C:\Users\Public\portapps\cygwin64\bin\cygcloog-isl-4.dll - os=4.0 img=0.0 sys=5.2
                  "cygcloog-isl-4.dll" v0.0 ts=2013-05-05 16:41
   12k 2013/03/11 C:\Users\Public\portapps\cygwin64\bin\cygcom_err-2.dll - os=4.0 img=0.0 sys=5.2
                  "cygcom_err-2.dll" v0.0 ts=2013-03-11 03:59
  187k 2013/06/05 C:\Users\Public\portapps\cygwin64\bin\cygcppunit-1-12-1.dll - os=4.0 img=0.0 sys=5.2
                  "cygcppunit-1-12-1.dll" v0.0 ts=2013-06-05 18:21
  203k 2013/04/21 C:\Users\Public\portapps\cygwin64\bin\cygcroco-0.6-3.dll - os=4.0 img=0.0 sys=5.2
                  "cygcroco-0.6-3.dll" v0.0 ts=2013-04-21 06:25
    9k 2013/03/07 C:\Users\Public\portapps\cygwin64\bin\cygcrypt-0.dll - os=4.0 img=0.0 sys=5.2
                  "cygcrypt-0.dll" v0.0 ts=2013-03-07 09:29
 1749k 2014/04/08 C:\Users\Public\portapps\cygwin64\bin\cygcrypto-1.0.0.dll - os=4.0 img=0.0 sys=5.2
                  "cygcrypto-1.0.0.dll" v0.0 ts=1970-01-01 00:00
  411k 2014/04/25 C:\Users\Public\portapps\cygwin64\bin\cygcurl-4.dll - os=4.0 img=0.0 sys=5.2
                  "cygcurl-4.dll" v0.0 ts=1970-01-01 00:00
   23k 2013/04/12 C:\Users\Public\portapps\cygwin64\bin\cygdatrie-1.dll - os=4.0 img=0.0 sys=5.2
                  "cygdatrie-1.dll" v0.0 ts=2013-04-12 07:10
 1526k 2013/03/08 C:\Users\Public\portapps\cygwin64\bin\cygdb-5.3.dll - os=4.0 img=0.0 sys=5.2
                  "cygdb-5.3.dll" v0.0 ts=2013-03-08 07:55
  242k 2014/03/31 C:\Users\Public\portapps\cygwin64\bin\cygdbus-1-3.dll - os=4.0 img=0.0 sys=5.2
                  "cygdbus-1-3.dll" v0.0 ts=1970-01-01 00:00
  111k 2013/03/08 C:\Users\Public\portapps\cygwin64\bin\cygdb_cxx-5.3.dll - os=4.0 img=0.0 sys=5.2
                  "cygdb_cxx-5.3.dll" v0.0 ts=2013-03-08 07:56
  472k 2013/03/08 C:\Users\Public\portapps\cygwin64\bin\cygdb_sql-5.3.dll - os=4.0 img=0.0 sys=5.2
                  "cygdb_sql-5.3.dll" v0.0 ts=2013-03-08 07:58
  169k 2014/02/10 C:\Users\Public\portapps\cygwin64\bin\cygdialog-11.dll - os=4.0 img=0.0 sys=5.2
                  "cygdialog-11.dll" v0.0 ts=2014-02-10 01:24
   24k 2013/03/11 C:\Users\Public\portapps\cygwin64\bin\cyge2p-2.dll - os=4.0 img=0.0 sys=5.2
                  "cyge2p-2.dll" v0.0 ts=2013-03-11 03:59
  154k 2013/10/20 C:\Users\Public\portapps\cygwin64\bin\cygedit-0.dll - os=4.0 img=0.0 sys=5.2
                  "cygedit-0.dll" v0.0 ts=2013-10-20 21:56

  158k 2013/04/23 C:\Users\Public\portapps\cygwin64\bin\cygEMF-1.dll - os=4.0 img=0.0 sys=5.2
                  "cygEMF-1.dll" v0.0 ts=2013-04-23 06:39
   16k 2013/03/28 C:\Users\Public\portapps\cygwin64\bin\cygevtlog-0.dll - os=4.0 img=0.0 sys=5.2
                  "cygevtlog-0.dll" v0.0 ts=2013-03-28 14:00
  147k 2013/07/31 C:\Users\Public\portapps\cygwin64\bin\cygexpat-1.dll - os=4.0 img=0.0 sys=5.2
                  "cygexpat-1.dll" v0.0 ts=2013-07-31 22:53
  207k 2013/03/11 C:\Users\Public\portapps\cygwin64\bin\cygext2fs-2.dll - os=4.0 img=0.0 sys=5.2
                  "cygext2fs-2.dll" v0.0 ts=2013-03-11 04:00
   31k 2013/08/06 C:\Users\Public\portapps\cygwin64\bin\cygfam-0.dll - os=4.0 img=0.0 sys=5.2
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   67k 2014/01/29 C:\Users\Public\portapps\cygwin64\bin\cyggcc_s-seh-1.dll - os=4.0 img=0.0 sys=5.2
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  377k 2014/04/08 C:\Users\Public\portapps\cygwin64\bin\cygssl-1.0.0.dll - os=4.0 img=0.0 sys=5.2
                  "cygssl-1.0.0.dll" v0.0 ts=1970-01-01 00:00
   11k 2014/01/29 C:\Users\Public\portapps\cygwin64\bin\cygssp-0.dll - os=4.0 img=0.0 sys=5.2
                  "cygssp-0.dll" v0.0 ts=2014-01-29 01:14
  892k 2014/01/29 C:\Users\Public\portapps\cygwin64\bin\cygstdc++-6.dll - os=4.0 img=0.0 sys=5.2
                  "cygstdc++-6.dll" v0.0 ts=2014-01-29 00:57
  356k 2014/02/22 C:\Users\Public\portapps\cygwin64\bin\cygsvn_client-1-0.dll - os=4.0 img=0.0 sys=5.2
                  "cygsvn_client-1-0.dll" v0.0 ts=2014-02-22 18:35
   63k 2014/02/22 C:\Users\Public\portapps\cygwin64\bin\cygsvn_delta-1-0.dll - os=4.0 img=0.0 sys=5.2
                  "cygsvn_delta-1-0.dll" v0.0 ts=2014-02-22 18:34
   70k 2014/02/22 C:\Users\Public\portapps\cygwin64\bin\cygsvn_diff-1-0.dll - os=4.0 img=0.0 sys=5.2
                  "cygsvn_diff-1-0.dll" v0.0 ts=2014-02-22 18:34
   30k 2014/02/22 C:\Users\Public\portapps\cygwin64\bin\cygsvn_fs-1-0.dll - os=4.0 img=0.0 sys=5.2
                  "cygsvn_fs-1-0.dll" v0.0 ts=2014-02-22 18:34
  150k 2014/02/22 C:\Users\Public\portapps\cygwin64\bin\cygsvn_fs_base-1-0.dll - os=4.0 img=0.0 sys=5.2
                  "cygsvn_fs_base-1-0.dll" v0.0 ts=2014-02-22 18:34
  180k 2014/02/22 C:\Users\Public\portapps\cygwin64\bin\cygsvn_fs_fs-1-0.dll - os=4.0 img=0.0 sys=5.2
                  "cygsvn_fs_fs-1-0.dll" v0.0 ts=2014-02-22 18:34
   10k 2014/02/22 C:\Users\Public\portapps\cygwin64\bin\cygsvn_fs_util-1-0.dll - os=4.0 img=0.0 sys=5.2
                  "cygsvn_fs_util-1-0.dll" v0.0 ts=2014-02-22 18:34
   45k 2014/02/22 C:\Users\Public\portapps\cygwin64\bin\cygsvn_ra-1-0.dll - os=4.0 img=0.0 sys=5.2
                  "cygsvn_ra-1-0.dll" v0.0 ts=2014-02-22 18:35
   30k 2014/02/22 C:\Users\Public\portapps\cygwin64\bin\cygsvn_ra_local-1-0.dll - os=4.0 img=0.0 sys=5.2
                  "cygsvn_ra_local-1-0.dll" v0.0 ts=2014-02-22 18:34
  162k 2014/02/22 C:\Users\Public\portapps\cygwin64\bin\cygsvn_ra_serf-1-0.dll - os=4.0 img=0.0 sys=5.2
                  "cygsvn_ra_serf-1-0.dll" v0.0 ts=2014-02-22 18:34
   94k 2014/02/22 C:\Users\Public\portapps\cygwin64\bin\cygsvn_ra_svn-1-0.dll - os=4.0 img=0.0 sys=5.2
                  "cygsvn_ra_svn-1-0.dll" v0.0 ts=2014-02-22 18:34
  182k 2014/02/22 C:\Users\Public\portapps\cygwin64\bin\cygsvn_repos-1-0.dll - os=4.0 img=0.0 sys=5.2
                  "cygsvn_repos-1-0.dll" v0.0 ts=2014-02-22 18:34
  380k 2014/02/22 C:\Users\Public\portapps\cygwin64\bin\cygsvn_subr-1-0.dll - os=4.0 img=0.0 sys=5.2
                  "cygsvn_subr-1-0.dll" v0.0 ts=2014-02-22 18:34
   37k 2014/02/22 C:\Users\Public\portapps\cygwin64\bin\cygsvn_swig_perl-1-0.dll - os=4.0 img=0.0 sys=5.2
                  "cygsvn_swig_perl-1-0.dll" v0.0 ts=2014-02-22 18:37
  618k 2014/02/22 C:\Users\Public\portapps\cygwin64\bin\cygsvn_wc-1-0.dll - os=4.0 img=0.0 sys=5.2
                  "cygsvn_wc-1-0.dll" v0.0 ts=2014-02-22 18:34
   94k 2013/09/18 C:\Users\Public\portapps\cygwin64\bin\cygswresample-0.dll - os=4.0 img=0.0 sys=5.2
                  "cygswresample-0.dll" v0.0 ts=2013-09-18 07:17
  315k 2013/09/18 C:\Users\Public\portapps\cygwin64\bin\cygswscale-2.dll - os=4.0 img=0.0 sys=5.2
                  "cygswscale-2.dll" v0.0 ts=2013-09-18 07:17
  341k 2013/04/19 C:\Users\Public\portapps\cygwin64\bin\cygsyslog-ng-0.dll - os=4.0 img=0.0 sys=5.2
                  "cygsyslog-ng-0.dll" v0.0 ts=2013-04-19 15:44
  242k 2013/04/26 C:\Users\Public\portapps\cygwin64\bin\cygt1-5.dll - os=4.0 img=0.0 sys=5.2
                  "cygt1-5.dll" v0.0 ts=2013-04-25 17:35
   69k 2013/04/22 C:\Users\Public\portapps\cygwin64\bin\cygtasn1-6.dll - os=4.0 img=0.0 sys=5.2
                  "cygtasn1-6.dll" v0.0 ts=2013-04-22 01:25
   31k 2013/04/12 C:\Users\Public\portapps\cygwin64\bin\cygthai-0.dll - os=4.0 img=0.0 sys=5.2
                  "cygthai-0.dll" v0.0 ts=2013-04-12 12:02
   96k 2013/06/01 C:\Users\Public\portapps\cygwin64\bin\cygtheoradec-1.dll - os=4.0 img=0.0 sys=5.2
                  "cygtheoradec-1.dll" v0.0 ts=2013-06-01 22:31
  252k 2013/06/01 C:\Users\Public\portapps\cygwin64\bin\cygtheoraenc-1.dll - os=4.0 img=0.0 sys=5.2
                  "cygtheoraenc-1.dll" v0.0 ts=2013-06-01 22:31
   51k 2013/05/06 C:\Users\Public\portapps\cygwin64\bin\cygticw-10.dll - os=4.0 img=0.0 sys=5.2
                  "cygticw-10.dll" v0.0 ts=2013-05-06 08:08
  359k 2013/04/24 C:\Users\Public\portapps\cygwin64\bin\cygtiff-5.dll - os=4.0 img=0.0 sys=5.2
                  "cygtiff-5.dll" v0.0 ts=2013-04-24 06:30
   10k 2013/04/24 C:\Users\Public\portapps\cygwin64\bin\cygtiffxx-5.dll - os=4.0 img=0.0 sys=5.2
                  "cygtiffxx-5.dll" v0.0 ts=2013-04-24 06:30
  261k 2013/04/12 C:\Users\Public\portapps\cygwin64\bin\cygturbojpeg.dll - os=4.0 img=0.0 sys=5.2
                  "cygturbojpeg.dll" v0.0 ts=2013-04-12 05:01
  120k 2013/09/17 C:\Users\Public\portapps\cygwin64\bin\cygtwolame-0.dll - os=4.0 img=0.0 sys=5.2
                  "cygtwolame-0.dll" v0.0 ts=2013-09-17 22:52
  166k 2013/06/12 C:\Users\Public\portapps\cygwin64\bin\cygustr-1.dll - os=4.0 img=0.0 sys=5.2
                  "cygustr-1.dll" v0.0 ts=2013-06-12 09:42
   15k 2013/03/11 C:\Users\Public\portapps\cygwin64\bin\cyguuid-1.dll - os=4.0 img=0.0 sys=5.2
                  "cyguuid-1.dll" v0.0 ts=2013-03-11 03:07
  111k 2013/09/18 C:\Users\Public\portapps\cygwin64\bin\cygvo-aacenc-0.dll - os=4.0 img=0.0 sys=5.2
                  "cygvo-aacenc-0.dll" v0.0 ts=2013-09-18 02:50
  104k 2013/09/18 C:\Users\Public\portapps\cygwin64\bin\cygvo-amrwbenc-0.dll - os=4.0 img=0.0 sys=5.2
                  "cygvo-amrwbenc-0.dll" v0.0 ts=2013-09-18 02:52
  168k 2014/01/26 C:\Users\Public\portapps\cygwin64\bin\cygvorbis-0.dll - os=4.0 img=0.0 sys=5.2
                  "cygvorbis-0.dll" v0.0 ts=2014-01-26 21:11
  606k 2014/01/26 C:\Users\Public\portapps\cygwin64\bin\cygvorbisenc-2.dll - os=4.0 img=0.0 sys=5.2
                  "cygvorbisenc-2.dll" v0.0 ts=2014-01-26 21:11
 1796k 2014/03/13 C:\Users\Public\portapps\cygwin64\bin\cygvpx-1.dll - os=4.0 img=0.0 sys=5.2
                  "cygvpx-1.dll" v0.0 ts=2014-03-13 23:51
  161k 2014/03/20 C:\Users\Public\portapps\cygwin64\bin\cygwind-0.dll - os=4.0 img=0.0 sys=5.2
                  "cygwind-0.dll" v0.0 ts=2014-03-20 04:53
   30k 2013/11/15 C:\Users\Public\portapps\cygwin64\bin\cygwrap-0.dll - os=4.0 img=0.0 sys=5.2
                  "cygwrap-0.dll" v0.0 ts=2013-11-15 19:58
 1120k 2014/01/10 C:\Users\Public\portapps\cygwin64\bin\cygX11-6.dll - os=4.0 img=0.0 sys=5.2
                  "cygX11-6.dll" v0.0 ts=2014-01-10 01:15
    8k 2014/01/10 C:\Users\Public\portapps\cygwin64\bin\cygX11-xcb-1.dll - os=4.0 img=0.0 sys=5.2
                  "cygX11-xcb-1.dll" v0.0 ts=2014-01-10 01:15
 1008k 2013/09/18 C:\Users\Public\portapps\cygwin64\bin\cygx264-136.dll - os=4.0 img=0.0 sys=5.2
                  "cygx264-136.dll" v0.0 ts=2013-09-18 11:37
   12k 2013/06/06 C:\Users\Public\portapps\cygwin64\bin\cygXau-6.dll - os=4.0 img=0.0 sys=5.2
                  "cygXau-6.dll" v0.0 ts=2013-06-06 06:23
  368k 2014/01/15 C:\Users\Public\portapps\cygwin64\bin\cygXaw-7.dll - os=4.0 img=0.0 sys=5.2
                  "cygXaw-7.dll" v0.0 ts=2014-01-15 02:53
  296k 2013/04/08 C:\Users\Public\portapps\cygwin64\bin\cygXaw3d-8.dll - os=4.0 img=0.0 sys=5.2
                  "cygXaw3d-8.dll" v0.0 ts=2013-04-08 22:20
   97k 2013/08/14 C:\Users\Public\portapps\cygwin64\bin\cygxcb-1.dll - os=4.0 img=0.0 sys=5.2
                  "cygxcb-1.dll" v0.0 ts=2013-08-14 19:30
   70k 2013/08/14 C:\Users\Public\portapps\cygwin64\bin\cygxcb-glx-0.dll - os=4.0 img=0.0 sys=5.2
                  "cygxcb-glx-0.dll" v0.0 ts=2013-08-14 19:31
   17k 2013/03/17 C:\Users\Public\portapps\cygwin64\bin\cygxcb-icccm-4.dll - os=4.0 img=0.0 sys=5.2
                  "cygxcb-icccm-4.dll" v0.0 ts=2013-03-17 22:48
   16k 2013/03/17 C:\Users\Public\portapps\cygwin64\bin\cygxcb-image-0.dll - os=4.0 img=0.0 sys=5.2
                  "cygxcb-image-0.dll" v0.0 ts=2013-03-17 22:42
   31k 2013/08/14 C:\Users\Public\portapps\cygwin64\bin\cygxcb-render-0.dll - os=4.0 img=0.0 sys=5.2
                  "cygxcb-render-0.dll" v0.0 ts=2013-08-14 19:31
   11k 2013/08/14 C:\Users\Public\portapps\cygwin64\bin\cygxcb-shm-0.dll - os=4.0 img=0.0 sys=5.2
                  "cygxcb-shm-0.dll" v0.0 ts=2013-08-14 19:31
   17k 2013/03/17 C:\Users\Public\portapps\cygwin64\bin\cygxcb-util-1.dll - os=4.0 img=0.0 sys=5.2
                  "cygxcb-util-1.dll" v0.0 ts=2013-03-17 22:33
   11k 2013/03/18 C:\Users\Public\portapps\cygwin64\bin\cygXcomposite-1.dll - os=4.0 img=0.0 sys=5.2
                  "cygXcomposite-1.dll" v0.0 ts=2013-03-18 23:05
   34k 2013/06/06 C:\Users\Public\portapps\cygwin64\bin\cygXcursor-1.dll - os=4.0 img=0.0 sys=5.2
                  "cygXcursor-1.dll" v0.0 ts=2013-06-06 21:15
   10k 2013/04/08 C:\Users\Public\portapps\cygwin64\bin\cygXdamage-1.dll - os=4.0 img=0.0 sys=5.2
                  "cygXdamage-1.dll" v0.0 ts=2013-04-08 22:24
   21k 2013/03/13 C:\Users\Public\portapps\cygwin64\bin\cygXdmcp-6.dll - os=4.0 img=0.0 sys=5.2
                  "cygXdmcp-6.dll" v0.0 ts=2013-03-13 04:58
   56k 2013/06/06 C:\Users\Public\portapps\cygwin64\bin\cygXext-6.dll - os=4.0 img=0.0 sys=5.2
                  "cygXext-6.dll" v0.0 ts=2013-06-06 10:04
   19k 2013/06/06 C:\Users\Public\portapps\cygwin64\bin\cygXfixes-3.dll - os=4.0 img=0.0 sys=5.2
                  "cygXfixes-3.dll" v0.0 ts=2013-06-06 20:27
   73k 2013/03/14 C:\Users\Public\portapps\cygwin64\bin\cygXft-2.dll - os=4.0 img=0.0 sys=5.2
                  "cygXft-2.dll" v0.0 ts=2013-03-14 05:18
   56k 2013/07/29 C:\Users\Public\portapps\cygwin64\bin\cygXi-6.dll - os=4.0 img=0.0 sys=5.2
                  "cygXi-6.dll" v0.0 ts=2013-07-29 07:30
   10k 2013/06/06 C:\Users\Public\portapps\cygwin64\bin\cygXinerama-1.dll - os=4.0 img=0.0 sys=5.2
                  "cygXinerama-1.dll" v0.0 ts=2013-06-06 21:33
  125k 2013/04/08 C:\Users\Public\portapps\cygwin64\bin\cygxkbfile-1.dll - os=4.0 img=0.0 sys=5.2
                  "cygxkbfile-1.dll" v0.0 ts=2013-04-08 21:24
 1212k 2013/04/21 C:\Users\Public\portapps\cygwin64\bin\cygxml2-2.dll - os=4.0 img=0.0 sys=5.2
                  "cygxml2-2.dll" v0.0 ts=2013-04-21 05:57
   85k 2014/01/15 C:\Users\Public\portapps\cygwin64\bin\cygXmu-6.dll - os=4.0 img=0.0 sys=5.2
                  "cygXmu-6.dll" v0.0 ts=2014-01-15 02:27
   14k 2014/01/15 C:\Users\Public\portapps\cygwin64\bin\cygXmuu-1.dll - os=4.0 img=0.0 sys=5.2
                  "cygXmuu-1.dll" v0.0 ts=2014-01-15 02:27
   59k 2014/01/15 C:\Users\Public\portapps\cygwin64\bin\cygXpm-4.dll - os=4.0 img=0.0 sys=5.2
                  "cygXpm-4.dll" v0.0 ts=2014-01-15 00:59
   54k 2013/07/01 C:\Users\Public\portapps\cygwin64\bin\cygXpm-noX-4.dll - os=4.0 img=0.0 sys=5.2
                  "cygXpm-noX-4.dll" v0.0 ts=2013-07-01 12:24
   34k 2014/01/14 C:\Users\Public\portapps\cygwin64\bin\cygXrandr-2.dll - os=4.0 img=0.0 sys=5.2
                  "cygXrandr-2.dll" v0.0 ts=2014-01-14 23:56
   35k 2013/06/14 C:\Users\Public\portapps\cygwin64\bin\cygXrender-1.dll - os=4.0 img=0.0 sys=5.2
                  "cygXrender-1.dll" v0.0 ts=2013-06-14 09:29
   12k 2013/03/14 C:\Users\Public\portapps\cygwin64\bin\cygXss-1.dll - os=4.0 img=0.0 sys=5.2
                  "cygXss-1.dll" v0.0 ts=2013-03-14 04:07
  320k 2013/06/06 C:\Users\Public\portapps\cygwin64\bin\cygXt-6.dll - os=4.0 img=0.0 sys=5.2
                  "cygXt-6.dll" v0.0 ts=2013-06-06 20:43
   21k 2013/06/06 C:\Users\Public\portapps\cygwin64\bin\cygXtst-6.dll - os=4.0 img=0.0 sys=5.2
                  "cygXtst-6.dll" v0.0 ts=2013-06-06 20:36
   79k 2013/05/09 C:\Users\Public\portapps\cygwin64\bin\cygz.dll - os=4.0 img=0.0 sys=5.2
                  "cygz.dll" v0.0 ts=2013-05-09 22:20
   24k 2013/05/30 C:\Users\Public\portapps\cygwin64\bin\cygzzip-0-13.dll - os=4.0 img=0.0 sys=5.2
                  "cygzzip-0-13.dll" v0.0 ts=2013-05-30 03:34
   12k 2013/05/30 C:\Users\Public\portapps\cygwin64\bin\cygzzipfseeko-0-13.dll - os=4.0 img=0.0 sys=5.2
                  "cygzzipfseeko-0-13.dll" v0.0 ts=2013-05-30 03:34
   15k 2013/05/30 C:\Users\Public\portapps\cygwin64\bin\cygzzipmmapped-0-13.dll - os=4.0 img=0.0 sys=5.2
                  "cygzzipmmapped-0-13.dll" v0.0 ts=2013-05-30 03:34
    9k 2013/05/30 C:\Users\Public\portapps\cygwin64\bin\cygzzipwrap-0-13.dll - os=4.0 img=0.0 sys=5.2
                  "cygzzipwrap-0-13.dll" v0.0 ts=2013-05-30 03:34
 3111k 2014/05/06 C:\Users\Public\portapps\cygwin64\bin\cygwin1.dll - os=4.0 img=0.0 sys=5.2
                  "cygwin1.dll" v0.0 ts=1970-01-01 00:00
    Cygwin DLL version info:
        DLL version: 1.7.30
        DLL epoch: 19
        DLL old termios: 5
        DLL malloc env: 28
        Cygwin conv: 181
        API major: 0
        API minor: 272
        Shared data: 5
        DLL identifier: cygwin1
        Mount registry: 3
        Cygwin registry name: Cygwin
        Program options name: Program Options
        Installations name: Installations
        Cygdrive default prefix: 
        Build date: 
        Snapshot date: 20140505-15:19:04
        Shared id: cygwin1S5


Potential app conflicts:

ZoneAlarm Personal Firewall
Detected: HKLM Registry Key.


Service             : sshd                
Display name        : CYGWIN sshd
Current State       : Running
Controls Accepted   : Stop
Command             : /usr/sbin/sshd -D
stdin path          : /dev/null
stdout path         : /var/log/sshd.log
stderr path         : /var/log/sshd.log
Process Type        : Own Process
Startup             : Automatic
Dependencies        : tcpip
Account             : .\cyg_server


Cygwin Package Information
Last downloaded files to: C:\Users\Public\Downloads\cygwin64_setup_area
Last downloaded files from: http://mirror.internode.on.net/pub/cygwin/

Package                      Version                Status
_autorebase                  000141-1               OK
_update-info-dir             00276-1                OK
a2ps                         4.14-2                 OK
alternatives                 1.3.30c-10             OK
aspell                       0.60.6.1-1             OK
aspell-en                    7.1.0-1                OK
at-spi2-core                 2.10.2-1               OK
autoconf                     13-1                   OK
autoconf2.1                  2.13-12                OK
autoconf2.5                  2.69-2                 OK
automake                     9-1                    OK
automake1.10                 1.10.3-2               OK
automake1.11                 1.11.6-2               OK
automake1.12                 1.12.6-2               OK
automake1.13                 1.13.4-1               OK
automake1.14                 1.14-1                 OK
automake1.4                  1.4p6-11               OK
automake1.5                  1.5-11                 OK
automake1.6                  1.6.3-12               OK
automake1.7                  1.7.9-11               OK
automake1.8                  1.8.5-11               OK
automake1.9                  1.9.6-11               OK
base-cygwin                  3.3-1                  OK
base-files                   4.2-2                  OK
bash                         4.1.11-2               OK
bash-completion              1.3-1                  OK
binutils                     2.24.51-2              OK
bison                        2.7.1-1                OK
bzip2                        1.0.6-2                OK
bzr                          2.6b2-1                OK
bzr-fastimport               0.13.0-1               OK
c-client                     2007f-2                OK
ca-certificates              1.97-1                 OK
cocom                        0.996-1                OK
coreutils                    8.15-3                 OK
cppunit                      1.12.1-2               OK
crypt                        1.1-1                  OK
csih                         0.9.7-1                OK
curl                         7.36.0-1               OK
cvs                          1.11.23-1              OK
cvs2svn                      2.4.0-1                OK
cvsps                        2.2b1-2                OK
cygport                      0.15.0-1               OK
cygrunsrv                    1.50-1                 OK
cygutils                     1.4.14-1               OK
cygutils-extra               1.4.14-1               OK
cygwin                       1.7.29-2               OK
cygwin-debuginfo             1.7.29-2               OK
dash                         0.5.7-4                OK
dbus                         1.6.18-1               OK
dconf-service                0.18.0-1               OK
desktop-file-utils           0.21-1                 OK
dialog                       1.2-20140112-1         OK
diffstat                     1.58-1                 OK
diffutils                    3.3-1                  OK
dos2unix                     6.0.5-1                OK
dri-drivers                  8.0.5-5                OK
e2fsimage                    0.2.2-1                OK
e2fsprogs                    1.42.7-1               OK
ed                           1.9-1                  OK
editrights                   1.02-1                 OK
emacs                        24.3.90-1              OK
emacs-w32                    24.3.90-1              OK
emacs-X11                    24.3.90-1              OK
ffmpeg                       1.2.3-1                OK
file                         5.18-1                 OK
findutils                    4.5.12-1               OK
flex                         2.5.37-3               OK
font-adobe-dpi75             1.0.2-1                OK
font-bitstream-vera-ttf      1.10-1                 OK
font-encodings               1.0.4-1                OK
font-ibm-type1               1.0.2-1                OK
font-misc-misc               1.1.1-1                OK
fontconfig                   2.10.93-1              OK
gamin                        0.1.10-14              OK
gawk                         4.1.1-1                OK
gcc-core                     4.8.2-3                OK
gcc-fortran                  4.8.2-3                OK
gcc-g++                      4.8.2-3                OK
gcc-objc                     4.8.2-3                OK
gcc-objc++                   4.8.2-3                OK
gcr                          3.10.1-1               OK
gdb                          7.6.50-4               OK
genisoimage                  1.1.11-1               OK
getent                       2.18.90-1              OK
gettext                      0.18.1.1-3             OK
ghostscript                  9.06-2                 OK
ghostscript-fonts-other      6.0-1                  OK
ghostscript-fonts-std        8.11-1                 OK
git                          1.7.9-1                OK
git-completion               1.7.9-1                OK
git-cvs                      1.7.9-1                OK
git-gui                      1.7.9-1                OK
git-svn                      1.7.9-1                OK
gitk                         1.7.9-1                OK
glib2.0-networking           2.38.2-1               OK
gnome-icon-theme             3.10.0-1               OK
gnome-keyring                3.10.1-1               OK
grep                         2.16-1                 OK
groff                        1.22.2-2               OK
gsettings-desktop-schemas    3.10.1-1               OK
gtk-update-icon-cache        3.10.7-2               OK
gv                           3.7.4-1                OK
gvfs                         1.18.3-1               OK
gzip                         1.4-1                  OK
hicolor-icon-theme           0.12-1                 OK
hostname                     3.13-1                 OK
html2ps                      1.0b7-2                OK
icedax                       1.1.11-1               OK
idle3                        3.2.5-3                OK
ImageMagick                  6.7.6.3-4              OK
ipc-utils                    1.0-2                  OK
jpeg                         1.2.1-2                OK
less                         458-1                  OK
libapr1                      1.4.8-1                OK
libaprutil1                  1.5.2-4                OK
libarchive13                 3.1.2-2                OK
libargp                      20110921-2             OK
libasn1_8                    1.5.3-1                OK
libaspell15                  0.60.6.1-1             OK
libasprintf0                 0.18.1.1-3             OK
libass4                      0.10.1-1               OK
libasyncns0                  0.8-1                  OK
libatk-bridge2.0_0           2.10.2-1               OK
libatk1.0_0                  2.10.0-1               OK
libatomic1                   4.8.2-3                OK
libatspi0                    2.10.2-1               OK
libattr1                     2.4.46-1               OK
libautotrace3                0.31.1-1               OK
libavahi-client3             0.6.31-2               OK
libavahi-common3             0.6.31-2               OK
libavahi-glib1               0.6.31-2               OK
libavcodec54                 1.2.3-1                OK
libavdevice54                1.2.3-1                OK
libavfilter3                 1.2.3-1                OK
libavformat54                1.2.3-1                OK
libavutil52                  1.2.3-1                OK
libblkid1                    2.21.2-1               OK
libbluray1                   0.2.2-1                OK
libbz2_1                     1.0.6-2                OK
libcairo2                    1.12.16-1              OK
libcatgets1                  1.1-2                  OK
libcdio14                    0.90-1                 OK
libcdio_cdda1                10.2+0.90-1            OK
libcdio_paranoia1            10.2+0.90-1            OK
libcelt0_2                   0.11.3-1               OK
libcloog-isl4                0.18.0-2               OK
libcom_err-devel             1.42.7-1               OK
libcom_err2                  1.42.7-1               OK
libcroco0.6_3                0.6.8-1                OK
libcrypt-devel               1.1-1                  OK
libcrypt0                    1.1-1                  OK
libcurl4                     7.36.0-1               OK
libdatrie1                   0.2.6-1                OK
libdb-devel                  5.3.21-1               OK
libdb5.3                     5.3.21-1               OK
libdbus1_3                   1.6.18-1               OK
libdialog11                  1.2-20140112-1         OK
libe2p2                      1.42.7-1               OK
libedit-devel                20130712-1             OK
libedit0                     20130712-1             OK
libEMF1                      1.0.7-1                OK
libevtlog0                   0.2.12-2               OK
libexpat1                    2.1.0-3                OK
libext2fs2                   1.42.7-1               OK
libfam0                      0.1.10-14              OK
libffi6                      3.0.13-1               OK
libfftw3_3                   3.3.4-1                OK
libFLAC8                     1.3.0-1                OK
libfontconfig1               2.10.93-1              OK
libfontenc1                  1.1.2-1                OK
libfpx1                      1.3.1.2-1              OK
libfreetype6                 2.5.3-1                OK
libfribidi0                  0.19.2-1               OK
libgcc1                      4.8.2-3                OK
libgck1_0                    3.10.1-1               OK
libgcr3-common               3.10.1-1               OK
libgcr3_1                    3.10.1-1               OK
libgcrypt11                  1.5.0-1                OK
libgd2                       2.0.36RC1-1            OK
libgdbm4                     1.10-2                 OK
libgdk_pixbuf2.0_0           2.30.4-1               OK
libgfortran3                 4.8.2-3                OK
libgif4                      4.1.6-12               OK
libGL1                       8.0.5-5                OK
libglapi0                    8.0.5-5                OK
libglib2.0_0                 2.38.2-2               OK
libgmp10                     6.0.0a-1               OK
libgnutls28                  3.2.0-4                OK
libgomp1                     4.8.2-3                OK
libgpg-error0                1.10-1                 OK
libgraphite2_3               1.2.3-1                OK
libgs9                       9.06-2                 OK
libgsm1                      1.0.13-2               OK
libgssapi3                   1.5.3-1                OK
libgstinterfaces0.10_0       0.10.36-2              OK
libgstreamer0.10_0           0.10.36-2              OK
libgtk2.0_0                  2.24.23-1              OK
libgtk3_0                    3.10.7-2               OK
libharfbuzz0                 0.9.25-1               OK
libhdb9                      1.5.3-1                OK
libheimbase1                 1.5.3-1                OK
libheimntlm0                 1.5.3-1                OK
libhogweed2                  2.7-1                  OK
libhx509_5                   1.5.3-1                OK
libICE6                      1.0.8-1                OK
libiconv2                    1.14-1                 OK
libicu51                     51.2-1                 OK
libidn11                     1.26-1                 OK
libilbc1                     1.1.1-1                OK
libilmbase7                  1.0.3-1                OK
libIlmImf7                   1.7.1-1                OK
libintl8                     0.18.1.1-3             OK
libiodbc-devel               3.52.8-2               OK
libiodbc2                    3.52.8-2               OK
libisl10                     0.11.1-2               OK
libjasper1                   1.900.1-13             OK
libjbig2                     2.0-12                 OK
libjpeg8                     1.2.1-2                OK
libjson-c-common             0.11-2                 OK
libjson-c2                   0.11-2                 OK
libkadm5clnt7                1.5.3-1                OK
libkadm5srv8                 1.5.3-1                OK
libkafs0                     1.5.3-1                OK
libkdc2                      1.5.3-1                OK
libkpathsea6                 20130529-1             OK
libkrb5-devel                1.5.3-1                OK
libkrb5_26                   1.5.3-1                OK
liblcms1                     1.19-1                 OK
liblcms2_2                   2.5-1                  OK
libltdl7                     2.4.2-3                OK
liblzma5                     5.0.4-1                OK
liblzo2_2                    2.06-1                 OK
libMagickCore5               6.7.6.3-4              OK
libmetalink3                 0.1.2-1                OK
libming1                     0.4.5-1                OK
libmodplug1                  0.8.8.4-1              OK
libmp3lame0                  3.99.5-1               OK
libmpc3                      1.0.2-1                OK
libmpfr4                     3.1.2-1                OK
libmysqlclient18             5.5.35-1               OK
libncursesw-devel            5.9-4                  OK
libncursesw10                5.9-4                  OK
libneon27                    0.29.6-1               OK
libnettle4                   2.7-1                  OK
libobjc4                     4.8.2-3                OK
libogg0                      1.3.1-1                OK
libopenal1                   1.15.1-1               OK
libopencore-amrnb0           0.1.3-1                OK
libopencore-amrwb0           0.1.3-1                OK
libopencv2.4                 2.4.7-1                OK
libopenjpeg1                 1.5.1-3                OK
libopenldap2_4_2             2.4.35-1               OK
libopenssl100                1.0.1g-1               OK
libopus0                     1.0.3-1                OK
liborc0.4_0                  0.4.18-2               OK
libotp0                      1.5.3-1                OK
libp11-kit0                  0.20.2-1               OK
libpango1.0_0                1.36.3-1               OK
libpaper-common              1.1.24-2               OK
libpaper1                    1.1.24-2               OK
libpcre1                     8.34-1                 OK
libpixman1_0                 0.32.4-1               OK
libpng15                     1.5.14-1               OK
libpoppler28                 0.20.5-3               OK
libpopt0                     1.16-1                 OK
libportaudio2                19.20110326-1          OK
libpostproc52                1.2.3-1                OK
libpq5                       9.3.4-1                OK
libproxy1                    0.4.11-2               OK
libpstoedit0                 3.61-1                 OK
libptexenc1                  20130529-1             OK
libpulse-simple0             4.0-1                  OK
libpulse0                    4.0-1                  OK
libquadmath0                 4.8.2-3                OK
libreadline7                 6.2-1                  OK
libroken18                   1.5.3-1                OK
librsvg2_2                   2.40.1-1               OK
librtmp0                     2.3-2                  OK
libsasl2-devel               2.1.26-6               OK
libsasl2_3                   2.1.26-6               OK
libschroedinger1.0_0         1.0.11-1               OK
libSDL1.2_0                  1.2.15-2               OK
libsecret1_0                 0.16-1                 OK
libserf1_0                   1.3.3-1                OK
libsl0                       1.5.3-1                OK
libSM6                       1.2.2-1                OK
libsndfile1                  1.0.25-1               OK
libsoup-gnome2.4_1           2.44.2-2               OK
libsoup2.4_1                 2.44.2-2               OK
libspeex1                    1.2rc1-1               OK
libsqlite3-devel             3.8.4.3-1              OK
libsqlite3_0                 3.8.4.3-1              OK
libss2                       1.42.7-1               OK
libssh2_1                    1.4.2-1                OK
libssp0                      4.8.2-3                OK
libstdc++6                   4.8.2-3                OK
libswresample0               1.2.3-1                OK
libswscale2                  1.2.3-1                OK
libtasn1_6                   3.3-1                  OK
libthai0                     0.1.19-1               OK
libtheora                    1.1.1-2                OK
libtheoradec1                1.1.1-2                OK
libtheoraenc1                1.1.1-2                OK
libtiff5                     3.9.7-3                OK
libtool                      2.4.2-3                OK
libturbojpeg                 1.2.1-2                OK
libtwolame0                  0.3.13-1               OK
libustr1                     1.0.4-12               OK
libuuid-devel                2.21.2-1               OK
libuuid1                     2.21.2-1               OK
libvo-aacenc0                0.1.3-1                OK
libvo-amrwbenc0              0.1.3-1                OK
libvorbis                    1.3.4-1                OK
libvorbis0                   1.3.4-1                OK
libvorbisenc2                1.3.4-1                OK
libvpx1                      1.3.0-1                OK
libwind0                     1.5.3-1                OK
libwrap0                     7.6-22                 OK
libX11-xcb1                  1.6.2-1                OK
libX11_6                     1.6.2-1                OK
libx264_136                  20130917-1             OK
libXau6                      1.0.8-1                OK
libXaw3d8                    1.6.2-1                OK
libXaw7                      1.0.12-1               OK
libxcb-glx0                  1.9.1-2                OK
libxcb-icccm4                0.3.9-1                OK
libxcb-image0                0.3.9-1                OK
libxcb-render0               1.9.1-2                OK
libxcb-shm0                  1.9.1-2                OK
libxcb-util1                 0.3.9-1                OK
libxcb1                      1.9.1-2                OK
libXcomposite1               0.4.3-1                OK
libXcursor1                  1.1.14-1               OK
libXdamage1                  1.1.4-1                OK
libXdmcp6                    1.1.1-1                OK
libXext6                     1.3.2-1                OK
libXfixes3                   5.0.1-1                OK
libXft2                      2.3.1-1                OK
libXi6                       1.7.2-1                OK
libXinerama1                 1.1.3-1                OK
libxkbfile1                  1.0.8-1                OK
libxml2                      2.9.1-1                OK
libXmu6                      1.1.2-1                OK
libXmuu1                     1.1.2-1                OK
libXpm-noX_4                 3.5.10-1               OK
libXpm4                      3.5.11-1               OK
libXrandr2                   1.4.2-1                OK
libXrender1                  0.9.8-1                OK
libXss1                      1.2.2-1                OK
libXt6                       1.1.4-1                OK
libXtst6                     1.2.2-1                OK
libzzip0.13                  0.13.62-1              OK
lndir                        1.0.3-1                OK
login                        1.10-10                OK
m4                           1.4.17-1               OK
make                         4.0-2                  OK
man                          1.6g-2                 OK
mercurial                    2.9.2-1                OK
Empty package mercurial-gui
mercurial-gui                2.7.1-1                OK
mingw64-i686-binutils        2.24.0.3.85cf705-1     OK
mingw64-i686-bzip2           1.0.6-4                OK
mingw64-i686-gcc-core        4.8.2-1                OK
mingw64-i686-gcc-g++         4.8.2-1                OK
mingw64-i686-headers         3.1.0-1                OK
mingw64-i686-libgcrypt       1.5.3-1                OK
mingw64-i686-libgpg-error    1.12-1                 OK
mingw64-i686-minizip         1.2.8-3                OK
mingw64-i686-pthreads        20100619-5             OK
mingw64-i686-runtime         3.1.0-1                OK
mingw64-i686-winpthreads     3.1.0-1                OK
mingw64-i686-xz              5.0.5-1                OK
mingw64-i686-zlib            1.2.8-3                OK
mingw64-x86_64-binutils      2.24.0.3.85cf705-1     OK
mingw64-x86_64-bzip2         1.0.6-4                OK
mingw64-x86_64-gcc-core      4.8.2-1                OK
mingw64-x86_64-gcc-fortran   4.8.2-1                OK
mingw64-x86_64-gcc-g++       4.8.2-1                OK
mingw64-x86_64-headers       3.1.0-1                OK
mingw64-x86_64-libgcrypt     1.5.3-1                OK
mingw64-x86_64-libgpg-error  1.12-1                 OK
mingw64-x86_64-minizip       1.2.8-3                OK
mingw64-x86_64-pthreads      20100619-5             OK
mingw64-x86_64-runtime       3.1.0-1                OK
mingw64-x86_64-winpthreads   3.1.0-1                OK
mingw64-x86_64-xz            5.0.5-1                OK
mingw64-x86_64-zlib          1.2.8-3                OK
mintty                       1.2-beta1-1            OK
mkfontdir                    1.0.7-1                OK
mkfontscale                  1.1.1-1                OK
nc                           1.107-4                OK
nc6                          1.0-1                  OK
openldap-devel               2.4.35-1               OK
openssh                      6.6.1p1-1              OK
openssl                      1.0.1g-1               OK
openssl-devel                1.0.1g-1               OK
p11-kit                      0.20.2-1               OK
p11-kit-trust                0.20.2-1               OK
patch                        2.7.1-1                OK
perl                         5.14.4-1               OK
perl-DBD-SQLite              1.37-4                 OK
perl-DBI                     1.623-2                OK
perl-Encode-Locale           1.03-1                 OK
perl-Error                   0.17019-1              OK
perl-File-Listing            6.04-1                 OK
perl-HTML-Parser             3.70-1                 OK
perl-HTML-Tagset             3.20-1                 OK
perl-HTTP-Cookies            6.01-1                 OK
perl-HTTP-Date               6.02-1                 OK
perl-HTTP-Message            6.06-1                 OK
perl-HTTP-Negotiate          6.01-1                 OK
perl-Image-Magick            6.7.6.3-4              OK
perl-LWP                     6.05-1                 OK
perl-LWP-MediaTypes          6.02-1                 OK
perl-Net-HTTP                6.06-1                 OK
perl-Params-Util             1.07-1                 OK
perl-Tk                      804.030-3              OK
perl-URI                     1.60-1                 OK
perl-WWW-RobotRules          6.02-1                 OK
perl-XML-Parser              2.41-1                 OK
pkg-config                   0.27.1-1               OK
poppler-data                 0.4.6-1                OK
popt                         1.16-1                 OK
procps                       3.2.8-2                OK
psmisc                       22.20-1                OK
python                       2.7.5-3                OK
python-bsddb3                5.3.0-2                OK
python-fastimport            0.9.2-1                OK
python-gobject               2.28.6-5               OK
python-imaging               1.1.7-5                OK
python-test                  2.7.5-3                OK
python-tkinter               2.7.5-3                OK
python3                      3.2.5-3                OK
python3-tkinter              3.2.5-3                OK
rebase                       4.4.1-1                OK
rsync                        3.0.9-1                OK
run                          1.3.0-1                OK
run2                         0.4.2-2                OK
screen                       4.1.0-20130513-2       OK
sed                          4.2.2-3                OK
shared-mime-info             1.2-1                  OK
shutdown                     1.10-1                 OK
squid                        3.3.3-1                OK
squid-debuginfo              3.3.3-1                OK
subversion                   1.8.8-1                OK
subversion-perl              1.8.8-1                OK
syslog-ng                    3.2.5-1                OK
t1lib5                       5.1.2-1                OK
tar                          1.27.1-1               OK
tcl                          8.5.11-1               OK
tcl-tix                      8.4.3-2                OK
tcl-tk                       8.5.11-1               OK
tcsh                         6.18.01-3              OK
terminfo                     5.9-4                  OK
texinfo                      5.2-1                  OK
texlive                      20130529-1             OK
texlive-collection-basic     20130529-1             OK
texlive-collection-fontutils 20130529-1             OK
texlive-collection-latex     20130529-1             OK
tzcode                       2013c-1                OK
unzip                        6.0-1                  OK
util-linux                   2.21.2-1               OK
vim-minimal                  7.4.264-1              OK
w32api-headers               3.1.0-1                OK
w32api-runtime               3.1.0-1                OK
wget                         1.15-1                 OK
which                        2.20-2                 OK
wodim                        1.1.11-1               OK
xauth                        1.0.8-1                OK
xcursor-themes               1.0.4-1                OK
xf86-video-dummy             0.3.7-1                OK
xf86-video-nested            0.1.0-4                OK
xkbcomp                      1.2.4-1                OK
xkeyboard-config             2.11-1                 OK
xorg-server                  1.15.1-1               OK
xorg-server-common           1.15.1-1               OK
xz                           5.0.4-1                OK
yasm                         1.2.0-1                OK
zip                          3.0-1                  OK
zlib-devel                   1.2.8-1                OK
zlib0                        1.2.8-1                OK
Use -h to see help about each section


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--
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FAQ:                   http://cygwin.com/faq/
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^ permalink raw reply	[flat|nested] 9+ messages in thread

* Re: snapshot 05/05: ssh segmentation fault within screen
  2014-05-06  3:10 snapshot 05/05: ssh segmentation fault within screen Shaddy Baddah
@ 2014-05-06 16:39 ` Corinna Vinschen
  2014-05-06 17:49   ` Eric Blake
  0 siblings, 1 reply; 9+ messages in thread
From: Corinna Vinschen @ 2014-05-06 16:39 UTC (permalink / raw)
  To: cygwin

[-- Attachment #1: Type: text/plain, Size: 1795 bytes --]

On May  6 11:09, Shaddy Baddah wrote:
> Hi,
> 
> I've just dropped snapshot 2014-05-05 into my 64bit Cygwin install.
> 
> I am getting a segmentation fault running ssh from within a screen
> session. Regardless of the arguments passed:
> 
> $ ssh -V
> OpenSSH_6.6.1p1, OpenSSL 1.0.1g 7 Apr 2014
> 
> $ screen
> <cleared screen>
> Screen version 4.01.00devel (GNU) 2-May-06
> ...
>                                             [Press Space or Return to end.]
> <cleared screen>
> $ ssh -V
> Segmentation fault (core dumped)

This is by far the worst message I got in the last couple of weeks :(

The problem here is that I thought it would be a good idea to cache
passwd and group data in the cygheap, which is a Cygwin DLL specific
heap containing datastructures propagated to child processes via fork
and execve.

The problem, which I totally not realized since I started implementing
this stuff is, that by propagating this cache to child processes, said
child processes suffer from what the parent process does to the passwd
structures in the cache.

Screen seems to call getpwuid and then sets some of the pointers in the
passwd structure it got from the call to NULL, apparently for some sort
of security, this way overwriting the cached passwd struct for the
current user.  Ssh on the other hand tries to copy the passwd structure,
but it never checks for NULL pointers because, well, the passwd
structure never contains NULL pointers.

This annihilates every advantage the cygheap caching has.

*sob*

Oh well, back to the drawing board.  This will take some time, though.


Thanks,
Corinna

-- 
Corinna Vinschen                  Please, send mails regarding Cygwin to
Cygwin Maintainer                 cygwin AT cygwin DOT com
Red Hat

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^ permalink raw reply	[flat|nested] 9+ messages in thread

* Re: snapshot 05/05: ssh segmentation fault within screen
  2014-05-06 16:39 ` Corinna Vinschen
@ 2014-05-06 17:49   ` Eric Blake
  2014-05-06 18:49     ` Corinna Vinschen
  2014-05-07 15:17     ` Andrew Schulman
  0 siblings, 2 replies; 9+ messages in thread
From: Eric Blake @ 2014-05-06 17:49 UTC (permalink / raw)
  To: cygwin

[-- Attachment #1: Type: text/plain, Size: 1835 bytes --]

On 05/06/2014 10:39 AM, Corinna Vinschen wrote:

> The problem, which I totally not realized since I started implementing
> this stuff is, that by propagating this cache to child processes, said
> child processes suffer from what the parent process does to the passwd
> structures in the cache.
> 
> Screen seems to call getpwuid and then sets some of the pointers in the
> passwd structure it got from the call to NULL, apparently for some sort
> of security, this way overwriting the cached passwd struct for the

Bug in screen.  POSIX states:

http://pubs.opengroup.org/onlinepubs/9699919799/functions/getpwuid.html

The application shall not modify the structure to which the return value
points, nor any storage areas pointed to by pointers within the
structure. The returned pointer, and pointers within the structure,
might be invalidated or the structure or the storage areas might be
overwritten by a subsequent call to getpwent(), getpwnam(), or getpwuid().

> current user.  Ssh on the other hand tries to copy the passwd structure,
> but it never checks for NULL pointers because, well, the passwd
> structure never contains NULL pointers.
> 
> This annihilates every advantage the cygheap caching has.

Caching still sounds correct, let's fix the bug in screen instead of
bloating cygwin to work around it.  Or maybe find a way to cause a SEGV
in any process that tries to write into the pointer returned by getpwuid
and friends, to help them realize their bug, rather than the current
state of propagating the broken memory to other processes.  Maybe you
just memcpy the result out of the cache into local memory, instead of
returning a pointer into the actual cygheap cache.

-- 
Eric Blake   eblake redhat com    +1-919-301-3266
Libvirt virtualization library http://libvirt.org


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^ permalink raw reply	[flat|nested] 9+ messages in thread

* Re: snapshot 05/05: ssh segmentation fault within screen
  2014-05-06 17:49   ` Eric Blake
@ 2014-05-06 18:49     ` Corinna Vinschen
  2014-05-07 12:22       ` Corinna Vinschen
  2014-05-07 15:17     ` Andrew Schulman
  1 sibling, 1 reply; 9+ messages in thread
From: Corinna Vinschen @ 2014-05-06 18:49 UTC (permalink / raw)
  To: cygwin

[-- Attachment #1: Type: text/plain, Size: 2542 bytes --]

On May  6 11:49, Eric Blake wrote:
> On 05/06/2014 10:39 AM, Corinna Vinschen wrote:
> 
> > The problem, which I totally not realized since I started implementing
> > this stuff is, that by propagating this cache to child processes, said
> > child processes suffer from what the parent process does to the passwd
> > structures in the cache.
> > 
> > Screen seems to call getpwuid and then sets some of the pointers in the
> > passwd structure it got from the call to NULL, apparently for some sort
> > of security, this way overwriting the cached passwd struct for the
> 
> Bug in screen.  POSIX states:
> 
> http://pubs.opengroup.org/onlinepubs/9699919799/functions/getpwuid.html
> 
> The application shall not modify the structure to which the return value
> points, nor any storage areas pointed to by pointers within the
> structure. The returned pointer, and pointers within the structure,
> might be invalidated or the structure or the storage areas might be
> overwritten by a subsequent call to getpwent(), getpwnam(), or getpwuid().

Oh, wow.  However, what if screen (thinks it) never calls getpwuid or
getpwnam again.  In that case it may do whatever it wants with the
pointers inside the returned passwd structure, doesn't it?  It certainly
doesn't have to expect sharing with another process.

> > current user.  Ssh on the other hand tries to copy the passwd structure,
> > but it never checks for NULL pointers because, well, the passwd
> > structure never contains NULL pointers.
> > 
> > This annihilates every advantage the cygheap caching has.
> 
> Caching still sounds correct, let's fix the bug in screen instead of
> bloating cygwin to work around it.  Or maybe find a way to cause a SEGV
> in any process that tries to write into the pointer returned by getpwuid
> and friends, to help them realize their bug, rather than the current
> state of propagating the broken memory to other processes.

Hmm, I'd have to allocate a full 4K page for this.  Also, ssh called
from screen works fine on Linux, even if the above behaviour is buggy...

> Maybe you
> just memcpy the result out of the cache into local memory, instead of
> returning a pointer into the actual cygheap cache.

Yes, that's what I was coming to realize, too.  I'm going to copy the
entire entry to local storage and return a pointer to that.


Corinna

-- 
Corinna Vinschen                  Please, send mails regarding Cygwin to
Cygwin Maintainer                 cygwin AT cygwin DOT com
Red Hat

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^ permalink raw reply	[flat|nested] 9+ messages in thread

* Re: snapshot 05/05: ssh segmentation fault within screen
  2014-05-06 18:49     ` Corinna Vinschen
@ 2014-05-07 12:22       ` Corinna Vinschen
  2014-05-07 14:57         ` Corinna Vinschen
  0 siblings, 1 reply; 9+ messages in thread
From: Corinna Vinschen @ 2014-05-07 12:22 UTC (permalink / raw)
  To: cygwin

[-- Attachment #1: Type: text/plain, Size: 2806 bytes --]

On May  6 20:49, Corinna Vinschen wrote:
> On May  6 11:49, Eric Blake wrote:
> > On 05/06/2014 10:39 AM, Corinna Vinschen wrote:
> > 
> > > The problem, which I totally not realized since I started implementing
> > > this stuff is, that by propagating this cache to child processes, said
> > > child processes suffer from what the parent process does to the passwd
> > > structures in the cache.
> > > 
> > > Screen seems to call getpwuid and then sets some of the pointers in the
> > > passwd structure it got from the call to NULL, apparently for some sort
> > > of security, this way overwriting the cached passwd struct for the
> > 
> > Bug in screen.  POSIX states:
> > 
> > http://pubs.opengroup.org/onlinepubs/9699919799/functions/getpwuid.html
> > 
> > The application shall not modify the structure to which the return value
> > points, nor any storage areas pointed to by pointers within the
> > structure. The returned pointer, and pointers within the structure,
> > might be invalidated or the structure or the storage areas might be
> > overwritten by a subsequent call to getpwent(), getpwnam(), or getpwuid().
> 
> Oh, wow.  However, what if screen (thinks it) never calls getpwuid or
> getpwnam again.  In that case it may do whatever it wants with the
> pointers inside the returned passwd structure, doesn't it?  It certainly
> doesn't have to expect sharing with another process.
> 
> > > current user.  Ssh on the other hand tries to copy the passwd structure,
> > > but it never checks for NULL pointers because, well, the passwd
> > > structure never contains NULL pointers.
> > > 
> > > This annihilates every advantage the cygheap caching has.
> > 
> > Caching still sounds correct, let's fix the bug in screen instead of
> > bloating cygwin to work around it.  Or maybe find a way to cause a SEGV
> > in any process that tries to write into the pointer returned by getpwuid
> > and friends, to help them realize their bug, rather than the current
> > state of propagating the broken memory to other processes.
> 
> Hmm, I'd have to allocate a full 4K page for this.  Also, ssh called
> from screen works fine on Linux, even if the above behaviour is buggy...
> 
> > Maybe you
> > just memcpy the result out of the cache into local memory, instead of
> > returning a pointer into the actual cygheap cache.
> 
> Yes, that's what I was coming to realize, too.  I'm going to copy the
> entire entry to local storage and return a pointer to that.

I created a matching patch.  Please give the today's developer snapshot
from http://cygwin.com/snapshots/ a try.


Thanks,
Corinna

-- 
Corinna Vinschen                  Please, send mails regarding Cygwin to
Cygwin Maintainer                 cygwin AT cygwin DOT com
Red Hat

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^ permalink raw reply	[flat|nested] 9+ messages in thread

* Re: snapshot 05/05: ssh segmentation fault within screen
  2014-05-07 12:22       ` Corinna Vinschen
@ 2014-05-07 14:57         ` Corinna Vinschen
  2014-05-07 18:49           ` Doug Henderson
  0 siblings, 1 reply; 9+ messages in thread
From: Corinna Vinschen @ 2014-05-07 14:57 UTC (permalink / raw)
  To: cygwin

[-- Attachment #1: Type: text/plain, Size: 3189 bytes --]

On May  7 14:22, Corinna Vinschen wrote:
> On May  6 20:49, Corinna Vinschen wrote:
> > On May  6 11:49, Eric Blake wrote:
> > > On 05/06/2014 10:39 AM, Corinna Vinschen wrote:
> > > 
> > > > The problem, which I totally not realized since I started implementing
> > > > this stuff is, that by propagating this cache to child processes, said
> > > > child processes suffer from what the parent process does to the passwd
> > > > structures in the cache.
> > > > 
> > > > Screen seems to call getpwuid and then sets some of the pointers in the
> > > > passwd structure it got from the call to NULL, apparently for some sort
> > > > of security, this way overwriting the cached passwd struct for the
> > > 
> > > Bug in screen.  POSIX states:
> > > 
> > > http://pubs.opengroup.org/onlinepubs/9699919799/functions/getpwuid.html
> > > 
> > > The application shall not modify the structure to which the return value
> > > points, nor any storage areas pointed to by pointers within the
> > > structure. The returned pointer, and pointers within the structure,
> > > might be invalidated or the structure or the storage areas might be
> > > overwritten by a subsequent call to getpwent(), getpwnam(), or getpwuid().
> > 
> > Oh, wow.  However, what if screen (thinks it) never calls getpwuid or
> > getpwnam again.  In that case it may do whatever it wants with the
> > pointers inside the returned passwd structure, doesn't it?  It certainly
> > doesn't have to expect sharing with another process.
> > 
> > > > current user.  Ssh on the other hand tries to copy the passwd structure,
> > > > but it never checks for NULL pointers because, well, the passwd
> > > > structure never contains NULL pointers.
> > > > 
> > > > This annihilates every advantage the cygheap caching has.
> > > 
> > > Caching still sounds correct, let's fix the bug in screen instead of
> > > bloating cygwin to work around it.  Or maybe find a way to cause a SEGV
> > > in any process that tries to write into the pointer returned by getpwuid
> > > and friends, to help them realize their bug, rather than the current
> > > state of propagating the broken memory to other processes.
> > 
> > Hmm, I'd have to allocate a full 4K page for this.  Also, ssh called
> > from screen works fine on Linux, even if the above behaviour is buggy...
> > 
> > > Maybe you
> > > just memcpy the result out of the cache into local memory, instead of
> > > returning a pointer into the actual cygheap cache.
> > 
> > Yes, that's what I was coming to realize, too.  I'm going to copy the
> > entire entry to local storage and return a pointer to that.
> 
> I created a matching patch.  Please give the today's developer snapshot
> from http://cygwin.com/snapshots/ a try.

I just created another snapshot.  The former snapshot had an off
by one bug so the passwd buffer given to the application was one
byte short.  Please make sure to try the snapshot with timestamp
14:55:24 (x86) or 14:55:06 (x86_64).


Sorry,
Corinna

-- 
Corinna Vinschen                  Please, send mails regarding Cygwin to
Cygwin Maintainer                 cygwin AT cygwin DOT com
Red Hat

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^ permalink raw reply	[flat|nested] 9+ messages in thread

* Re: snapshot 05/05: ssh segmentation fault within screen
  2014-05-06 17:49   ` Eric Blake
  2014-05-06 18:49     ` Corinna Vinschen
@ 2014-05-07 15:17     ` Andrew Schulman
  2014-05-07 15:24       ` Corinna Vinschen
  1 sibling, 1 reply; 9+ messages in thread
From: Andrew Schulman @ 2014-05-07 15:17 UTC (permalink / raw)
  To: cygwin

> On 05/06/2014 10:39 AM, Corinna Vinschen wrote:
> 
> > The problem, which I totally not realized since I started implementing
> > this stuff is, that by propagating this cache to child processes, said
> > child processes suffer from what the parent process does to the passwd
> > structures in the cache.
> > 
> > Screen seems to call getpwuid and then sets some of the pointers in the
> > passwd structure it got from the call to NULL, apparently for some sort
> > of security, this way overwriting the cached passwd struct for the
> 
> Bug in screen.  POSIX states:
> 
> http://pubs.opengroup.org/onlinepubs/9699919799/functions/getpwuid.html
> 
> The application shall not modify the structure to which the return value
> points, nor any storage areas pointed to by pointers within the
> structure. The returned pointer, and pointers within the structure,
> might be invalidated or the structure or the storage areas might be
> overwritten by a subsequent call to getpwent(), getpwnam(), or getpwuid().

Fixing this would be well out of my depth, but I'll gladly include any
patches to screen that fix it.

Meanwhile there's a new release of screen (4.2.1) upstream, about one year
newer than the last commit I packaged for Cygwin, so maybe this problem has
already been addressed.  I'll get the new release out ASAP so we can test.

Andrew


--
Problem reports:       http://cygwin.com/problems.html
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^ permalink raw reply	[flat|nested] 9+ messages in thread

* Re: snapshot 05/05: ssh segmentation fault within screen
  2014-05-07 15:17     ` Andrew Schulman
@ 2014-05-07 15:24       ` Corinna Vinschen
  0 siblings, 0 replies; 9+ messages in thread
From: Corinna Vinschen @ 2014-05-07 15:24 UTC (permalink / raw)
  To: cygwin

[-- Attachment #1: Type: text/plain, Size: 1889 bytes --]

On May  7 11:16, Andrew Schulman wrote:
> > On 05/06/2014 10:39 AM, Corinna Vinschen wrote:
> > 
> > > The problem, which I totally not realized since I started implementing
> > > this stuff is, that by propagating this cache to child processes, said
> > > child processes suffer from what the parent process does to the passwd
> > > structures in the cache.
> > > 
> > > Screen seems to call getpwuid and then sets some of the pointers in the
> > > passwd structure it got from the call to NULL, apparently for some sort
> > > of security, this way overwriting the cached passwd struct for the
> > 
> > Bug in screen.  POSIX states:
> > 
> > http://pubs.opengroup.org/onlinepubs/9699919799/functions/getpwuid.html
> > 
> > The application shall not modify the structure to which the return value
> > points, nor any storage areas pointed to by pointers within the
> > structure. The returned pointer, and pointers within the structure,
> > might be invalidated or the structure or the storage areas might be
> > overwritten by a subsequent call to getpwent(), getpwnam(), or getpwuid().
> 
> Fixing this would be well out of my depth, but I'll gladly include any
> patches to screen that fix it.

Never looked into the sources, but if you see something along the lines
of

   pw_passwd = NULL;

it's what I observed.

> Meanwhile there's a new release of screen (4.2.1) upstream, about one year
> newer than the last commit I packaged for Cygwin, so maybe this problem has
> already been addressed.  I'll get the new release out ASAP so we can test.

For testing, please keep in mind to test with the latest snapshot
showing the problem.  That would be the 2014-05-05 snapshot.


Thanks,
Corinna

-- 
Corinna Vinschen                  Please, send mails regarding Cygwin to
Cygwin Maintainer                 cygwin AT cygwin DOT com
Red Hat

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^ permalink raw reply	[flat|nested] 9+ messages in thread

* Re: snapshot 05/05: ssh segmentation fault within screen
  2014-05-07 14:57         ` Corinna Vinschen
@ 2014-05-07 18:49           ` Doug Henderson
  0 siblings, 0 replies; 9+ messages in thread
From: Doug Henderson @ 2014-05-07 18:49 UTC (permalink / raw)
  To: cygwin

On Wed, May 7, 2014 at 8:57 AM, Corinna Vinschen wrote:
> On May  7 14:22, Corinna Vinschen wrote:
>> On May  6 20:49, Corinna Vinschen wrote:
>> > On May  6 11:49, Eric Blake wrote:
>> > > On 05/06/2014 10:39 AM, Corinna Vinschen wrote:
>> > >
>> > > > The problem, which I totally not realized since I started implementing
>> > > > this stuff is, that by propagating this cache to child processes, said
>> > > > child processes suffer from what the parent process does to the passwd
>> > > > structures in the cache.
>> > > >
>> > > > Screen seems to call getpwuid and then sets some of the pointers in the
>> > > > passwd structure it got from the call to NULL, apparently for some sort
>> > > > of security, this way overwriting the cached passwd struct for the
>> > >
>> > > Bug in screen.  POSIX states:
>> > >
>> > > http://pubs.opengroup.org/onlinepubs/9699919799/functions/getpwuid.html
>> > >
>> > > The application shall not modify the structure to which the return value
>> > > points, nor any storage areas pointed to by pointers within the
>> > > structure. The returned pointer, and pointers within the structure,
>> > > might be invalidated or the structure or the storage areas might be
>> > > overwritten by a subsequent call to getpwent(), getpwnam(), or getpwuid().
>> >
>> > Oh, wow.  However, what if screen (thinks it) never calls getpwuid or
>> > getpwnam again.  In that case it may do whatever it wants with the
>> > pointers inside the returned passwd structure, doesn't it?  It certainly
>> > doesn't have to expect sharing with another process.
>> >
>> > > > current user.  Ssh on the other hand tries to copy the passwd structure,
>> > > > but it never checks for NULL pointers because, well, the passwd
>> > > > structure never contains NULL pointers.
>> > > >
>> > > > This annihilates every advantage the cygheap caching has.
>> > >
>> > > Caching still sounds correct, let's fix the bug in screen instead of
>> > > bloating cygwin to work around it.  Or maybe find a way to cause a SEGV
>> > > in any process that tries to write into the pointer returned by getpwuid
>> > > and friends, to help them realize their bug, rather than the current
>> > > state of propagating the broken memory to other processes.
>> >
>> > Hmm, I'd have to allocate a full 4K page for this.  Also, ssh called
>> > from screen works fine on Linux, even if the above behaviour is buggy...
>> >
>> > > Maybe you
>> > > just memcpy the result out of the cache into local memory, instead of
>> > > returning a pointer into the actual cygheap cache.
>> >
>> > Yes, that's what I was coming to realize, too.  I'm going to copy the
>> > entire entry to local storage and return a pointer to that.
>>
>> I created a matching patch.  Please give the today's developer snapshot
>> from http://cygwin.com/snapshots/ a try.
>
> I just created another snapshot.  The former snapshot had an off
> by one bug so the passwd buffer given to the application was one
> byte short.  Please make sure to try the snapshot with timestamp
> 14:55:24 (x86) or 14:55:06 (x86_64).
>
>
> Sorry,
> Corinna
>

It sounds like the result of using the Microsoft Account connected to
a regular account instead of using the regular account directly has
both a static and dynamic component. This suggests that the behavior
could be modeled by a regular account log in, immediately followed by
a chgrp which is dependant on the type of regular account, or some
other variation of su and chgrp actions.


Doug

-- 
Doug Henderson, Calgary, Alberta, Canada

--
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^ permalink raw reply	[flat|nested] 9+ messages in thread

end of thread, other threads:[~2014-05-07 18:49 UTC | newest]

Thread overview: 9+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2014-05-06  3:10 snapshot 05/05: ssh segmentation fault within screen Shaddy Baddah
2014-05-06 16:39 ` Corinna Vinschen
2014-05-06 17:49   ` Eric Blake
2014-05-06 18:49     ` Corinna Vinschen
2014-05-07 12:22       ` Corinna Vinschen
2014-05-07 14:57         ` Corinna Vinschen
2014-05-07 18:49           ` Doug Henderson
2014-05-07 15:17     ` Andrew Schulman
2014-05-07 15:24       ` Corinna Vinschen

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