* Re: x86_64 ldd hangs running on a DLL
[not found] ` <cc9926b5b99846459b9ee087d984af48@bravurasolutions.com>
@ 2023-05-23 11:55 ` Jon Turney
0 siblings, 0 replies; 2+ messages in thread
From: Jon Turney @ 2023-05-23 11:55 UTC (permalink / raw)
To: The Cygwin Mailing List
Forwarded this response, since I messed up the reply-to:
On 22/05/2023 02:35, Rodney Brown wrote:
> My Cygwin installation has been upgraded over the years, so could have problematic remnants.
> I note the corporate C:\Program Files\McAfee\DLP\Agent\fcagpph64.dll in the mix & don’t understand
> _why cygcheck sees the Java DLLs as being in the mix, which seems relevant.
> It looks like ldd segfaults under strace, but hangs if run in an xterm, or Cygwin Terminal
> When I used Task Manager to kill the ldh process – which didn’t show in ps, I got the following output from ldd
>
> $ ldd /cygdrive/c/Windows/System32/msvcrt.dll
> ntdll.dll => /cygdrive/c/WINDOWS/SYSTEM32/ntdll.dll (0x7ffd00010000)
> KERNEL32.DLL => /cygdrive/c/WINDOWS/System32/KERNEL32.DLL (0x7ffcfe1a0000)
> KERNELBASE.dll => /cygdrive/c/WINDOWS/System32/KERNELBASE.dll (0x7ffcfdc60000)
> ctiuser.dll => /cygdrive/c/WINDOWS/system32/ctiuser.dll (0x7ffcf4030000)
> msvcrt.dll => /cygdrive/c/WINDOWS/System32/msvcrt.dll (0x7ffcfe6a0000)
> ADVAPI32.dll => /cygdrive/c/WINDOWS/System32/ADVAPI32.dll (0x7ffcfefc0000)
> sechost.dll => /cygdrive/c/WINDOWS/System32/sechost.dll (0x7ffcfff30000)
> RPCRT4.dll => /cygdrive/c/WINDOWS/System32/RPCRT4.dll (0x7ffcfe070000)
> FLTLIB.DLL => /cygdrive/c/WINDOWS/system32/FLTLIB.DLL (0x7ffce5a50000)
> ucrtbase.dll => /cygdrive/c/WINDOWS/System32/ucrtbase.dll (0x7ffcfda00000)
> fcagpph64.dll => /cygdrive/c/Program Files/McAfee/DLP/Agent/fcagpph64.dll (0x7ffcbd240000)
> USER32.dll => /cygdrive/c/WINDOWS/System32/USER32.dll (0x7ffcfe3e0000)
> win32u.dll => /cygdrive/c/WINDOWS/System32/win32u.dll (0x7ffcfdf40000)
> GDI32.dll => /cygdrive/c/WINDOWS/System32/GDI32.dll (0x7ffcffea0000)
> gdi32full.dll => /cygdrive/c/WINDOWS/System32/gdi32full.dll (0x7ffcfd7b0000)
> msvcp_win.dll => /cygdrive/c/WINDOWS/System32/msvcp_win.dll (0x7ffcfd960000)
> SHELL32.dll => /cygdrive/c/WINDOWS/System32/SHELL32.dll (0x7ffcff130000)
> ole32.dll => /cygdrive/c/WINDOWS/System32/ole32.dll (0x7ffcffc90000)
> combase.dll => /cygdrive/c/WINDOWS/System32/combase.dll (0x7ffcff930000)
> SHLWAPI.dll => /cygdrive/c/WINDOWS/System32/SHLWAPI.dll (0x7ffcff0d0000)
> WS2_32.dll => /cygdrive/c/WINDOWS/System32/WS2_32.dll (0x7ffcfe740000)
> OLEAUT32.dll => /cygdrive/c/WINDOWS/System32/OLEAUT32.dll (0x7ffcffdc0000)
> WINSPOOL.DRV => /cygdrive/c/WINDOWS/SYSTEM32/WINSPOOL.DRV (0x7ffce6580000)
> VERSION.dll => /cygdrive/c/WINDOWS/SYSTEM32/VERSION.dll (0x7ffcf2ed0000)
> IMM32.DLL => /cygdrive/c/WINDOWS/System32/IMM32.DLL (0x7ffcfea00000)
> SspiCli.dll => /cygdrive/c/WINDOWS/SYSTEM32/SspiCli.dll (0x7ffcfd5e0000)
> bcryptPrimitives.dll => /cygdrive/c/WINDOWS/System32/bcryptPrimitives.dll (0x7ffcfd720000)
> ntmarta.dll => /cygdrive/c/WINDOWS/SYSTEM32/ntmarta.dll (0x7ffcfc800000)
> api-ms-win-core-fibers-l1-1-0.dll => not found
> api-ms-win-core-file-l1-1-0.dll => /cygdrive/c/Program Files/Java/jdk-11.0.10/bin/api-ms-win-core-file-l1-1-0.dll (?)
> api-ms-win-core-handle-l1-1-0.dll => /cygdrive/c/Program Files/Java/jdk-11.0.10/bin/api-ms-win-core-handle-l1-1-0.dll (?)
> api-ms-win-core-heap-l1-1-0.dll => /cygdrive/c/Program Files/Java/jdk-11.0.10/bin/api-ms-win-core-heap-l1-1-0.dll (?)
> api-ms-win-core-localization-l1-2-0.dll => /cygdrive/c/Program Files/Java/jdk-11.0.10/bin/api-ms-win-core-localization-l1-2-0.dll (?)
> api-ms-win-core-libraryloader-l1-2-0.dll => not found
> api-ms-win-core-memory-l1-1-0.dll => /cygdrive/c/Program Files/Java/jdk-11.0.10/bin/api-ms-win-core-memory-l1-1-0.dll (?)
> api-ms-win-core-namedpipe-l1-1-0.dll => /cygdrive/c/Program Files/Java/jdk-11.0.10/bin/api-ms-win-core-namedpipe-l1-1-0.dll (?)
> api-ms-win-core-processenvironment-l1-1-0.dll => /cygdrive/c/Program Files/Java/jdk-11.0.10/bin/api-ms-win-core-processenvironment-l1-1-0.dll (?)
> api-ms-win-core-processthreads-l1-1-0.dll => /cygdrive/c/Program Files/Java/jdk-11.0.10/bin/api-ms-win-core-processthreads-l1-1-0.dll (?)
> api-ms-win-core-profile-l1-1-0.dll => /cygdrive/c/Program Files/Java/jdk-11.0.10/bin/api-ms-win-core-profile-l1-1-0.dll (?)
> api-ms-win-core-string-l1-1-0.dll => /cygdrive/c/Program Files/Java/jdk-11.0.10/bin/api-ms-win-core-string-l1-1-0.dll (?)
> api-ms-win-core-synch-l1-1-0.dll => /cygdrive/c/Program Files/Java/jdk-11.0.10/bin/api-ms-win-core-synch-l1-1-0.dll (?)
> api-ms-win-core-synch-l1-2-0.dll => /cygdrive/c/Program Files/Java/jdk-11.0.10/bin/api-ms-win-core-synch-l1-2-0.dll (?)
> api-ms-win-core-sysinfo-l1-1-0.dll => /cygdrive/c/Program Files/Java/jdk-11.0.10/bin/api-ms-win-core-sysinfo-l1-1-0.dll (?)
> api-ms-win-core-util-l1-1-0.dll => /cygdrive/c/Program Files/Java/jdk-11.0.10/bin/api-ms-win-core-util-l1-1-0.dll (?)
>
>
> $ cygcheck /cygdrive/c/Windows/System32/msvcrt.dll
> c:\Windows\System32\msvcrt.dll
> C:\WINDOWS\system32\ntdll.dll
> C:\Program Files\Java\jdk-11.0.10\bin\api-ms-win-core-console-l1-1-0.dll
> C:\Program Files\Java\jdk-11.0.10\bin\api-ms-win-core-console-l1-2-0.dll
> C:\Program Files\Java\jdk-11.0.10\bin\api-ms-win-core-datetime-l1-1-0.dll
> C:\Program Files\Java\jdk-11.0.10\bin\api-ms-win-core-debug-l1-1-0.dll
> C:\Program Files\Java\jdk-11.0.10\bin\api-ms-win-core-errorhandling-l1-1-0.dll
> C:\Program Files\Java\jdk-11.0.10\bin\api-ms-win-core-file-l1-1-0.dll
> C:\Program Files\Java\jdk-11.0.10\bin\api-ms-win-core-handle-l1-1-0.dll
> C:\Program Files\Java\jdk-11.0.10\bin\api-ms-win-core-heap-l1-1-0.dll
> C:\Program Files\Java\jdk-11.0.10\bin\api-ms-win-core-localization-l1-2-0.dll
> C:\Program Files\Java\jdk-11.0.10\bin\api-ms-win-core-memory-l1-1-0.dll
> C:\Program Files\Java\jdk-11.0.10\bin\api-ms-win-core-namedpipe-l1-1-0.dll
> C:\Program Files\Java\jdk-11.0.10\bin\api-ms-win-core-processenvironment-l1-1-
> 0.dll
> C:\Program Files\Java\jdk-11.0.10\bin\api-ms-win-core-processthreads-l1-1-0.dl
> l
> C:\Program Files\Java\jdk-11.0.10\bin\api-ms-win-core-profile-l1-1-0.dll
> C:\Program Files\Java\jdk-11.0.10\bin\api-ms-win-core-string-l1-1-0.dll
> C:\Program Files\Java\jdk-11.0.10\bin\api-ms-win-core-synch-l1-1-0.dll
> C:\Program Files\Java\jdk-11.0.10\bin\api-ms-win-core-synch-l1-2-0.dll
> C:\Program Files\Java\jdk-11.0.10\bin\api-ms-win-core-sysinfo-l1-1-0.dll
> C:\Program Files\Java\jdk-11.0.10\bin\api-ms-win-core-util-l1-1-0.dll
> C:\WINDOWS\system32\KERNELBASE.dll
>
> # Java is in my PATH but ???
>
> $ strace -o ldd-stce.txt ldd /cygdrive/c/Windows/System32/msvcrt.dll
> Segmentation fault
>
> # ldd-stce.txt
> --- Process 23572 loaded C:\Windows\System32\ntdll.dll at 00007ffd00010000
> --- Process 23572 loaded C:\Windows\System32\kernel32.dll at 00007ffcfe1a0000
> --- Process 23572 loaded C:\Windows\System32\KernelBase.dll at 00007ffcfdc60000
> --- Process 23572 loaded C:\Windows\System32\ctiuser.dll at 00007ffcf4030000
> --- Process 23572 loaded C:\Windows\System32\psapi.dll at 00007ffcffe90000
> --- Process 23572 loaded C:\cygwin64\bin\cygwin1.dll at 00007ffccdec0000
> --- Process 23572 loaded C:\Windows\System32\advapi32.dll at 00007ffcfefc0000
> --- Process 23572 loaded C:\Windows\System32\msvcrt.dll at 00007ffcfe6a0000
> --- Process 23572 loaded C:\Windows\System32\sechost.dll at 00007ffcfff30000
> --- Process 23572 loaded C:\Windows\System32\rpcrt4.dll at 00007ffcfe070000
> --- Process 23572 loaded C:\Windows\System32\fltLib.dll at 00007ffce5a50000
> --- Process 23572 loaded C:\Windows\System32\ucrtbase.dll at 00007ffcfda00000
> --- Process 23572 thread 22416 created
> 0 0 [main] ldd (23572) **********************************************
> 1331 1331 [main] ldd (23572) Program name: C:\cygwin64\bin\ldd.exe (windows pid 23572)
> 168 1499 [main] ldd (23572) OS version: Windows NT-10.0
> 193 1692 [main] ldd (23572) **********************************************
> --- Process 23572 loaded C:\Windows\System32\cryptbase.dll at 00007ffcfcf30000
> --- Process 23572 loaded C:\Windows\System32\bcryptprimitives.dll at 00007ffcfd720000
> 6309 8001 [main] ldd (23572) sigprocmask: 0 = sigprocmask (0, 0x0, 0x7FFCCE199450)
> 3146 11147 [main] ldd (23572) open_shared: name shared.5, shared 0x1A0000000 (wanted 0x1A0000000), h 0x114, m 0, created 0
> 222 11369 [main] ldd (23572) user_heap_info::init: heap base 0xA00000000, heap top 0xA00000000, heap size 0x20000000 (536870912)
> 179 11548 [main] ldd (23572) open_shared: name S-1-5-21-2799465626-2441719393-1676202033-1287.1, shared 0x1A1000000 (wanted 0x1A1000000), h 0x110, m 1, created 0
> 171 11719 [main] ldd (23572) user_info::create: opening user shared for 'S-1-5-21-2799465626-2441719393-1676202033-1287' at 0x1A1000000
> 237=1B5B313B324656 11875 [main] ldd (23572) user_info::create: user shared version AB1FCCE8
> 230 12105 [main] ldd (23572) fhandler_pipe::create: name \\.\pipe\cygwin-e022582115c10879-23572-sigwait<file://./pipe/cygwin-e022582115c10879-23572-sigwait>, size 11440, mode PIPE_TYPE_MESSAGE
> --- Process 23572 created
> --- Process 23572 loaded C:\Windows\System32\ntdll.dll at 00007ffd00010000
> --- Process 23572 loaded C:\Windows\System32\kernel32.dll at 00007ffcfe1a0000
> --- Process 23572 loaded C:\Windows\System32\KernelBase.dll at 00007ffcfdc60000
> --- Process 23572 loaded C:\Windows\System32\ctiuser.dll at 00007ffcf4030000
> --- Process 23572 loaded C:\Windows\System32\psapi.dll at 00007ffcffe90000
> --- Process 23572 loaded C:\cygwin64\bin\cygwin1.dll at 00007ffccdec0000
> --- Process 23572 loaded C:\Windows\System32\advapi32.dll at 00007ffcfefc0000
> --- Process 23572 loaded C:\Windows\System32\msvcrt.dll at 00007ffcfe6a0000
> --- Process 23572 loaded C:\Windows\System32\sechost.dll at 00007ffcfff30000
> --- Process 23572 loaded C:\Windows\System32\rpcrt4.dll at 00007ffcfe070000
> --- Process 23572 loaded C:\Windows\System32\fltLib.dll at 00007ffce5a50000
> --- Process 23572 created
> --- Process 23572 loaded C:\Windows\System32\ntdll.dll at 00007ffd00010000
> --- Process 23572 loaded C:\Windows\System32\kernel32.dll at 00007ffcfe1a0000
> --- Process 23572 loaded C:\Windows\System32\KernelBase.dll at 00007ffcfdc60000
> --- Process 23572 loaded C:\Windows\System32\ctiuser.dll at 00007ffcf4030000
> --- Process 23572 loaded C:\Windows\System32\psapi.dll at 00007ffcffe90000
> --- Process 23572 loaded C:\cygwin64\bin\cygwin1.dll at 00007ffccdec0000
> --- Process 23572 loaded C:\Windows\System32\advapi32.dll at 00007ffcfefc0000
> --- Process 23572 loaded C:\Windows\System32\msvcrt.dll at 00007ffcfe6a0000
> --- Process 23572 loaded C:\Windows\System32\sechost.dll at 00007ffcfff30000
> --- Process 23572 loaded C:\Windows\System32\rpcrt4.dll at 00007ffcfe070000
> --- Process 23572 loaded C:\Windows\System32\fltLib.dll at 00007ffce5a50000
> --- Process 23572 loaded C:\Windows\System32\ucrtbase.dll at 00007ffcfda00000
> --- Process 23572 thread 22416 created
> 0 0 [main] ldd (23572) **********************************************
> 1331 1331 [main] ldd (23572) Program name: C:\cygwin64\bin\ldd.exe (windows pid 23572)
> 168 1499 [main] ldd (23572) OS version: Windows NT-10.0
> 193 1692 [main] ldd (23572) **********************************************
> --- Process 23572 loaded C:\Windows\System32\cryptbase.dll at 00007ffcfcf30000
> --- Process 23572 loaded C:\Windows\System32\bcryptprimitives.dll at 00007ffcfd720000
> 6309 8001 [main] ldd (23572) sigprocmask: 0 = sigprocmask (0, 0x0, 0x7FFCCE199450)
> 3146 11147 [main] ldd (23572) open_shared: name shared.5, shared 0x1A0000000 (wanted 0x1A0000000), h 0x114, m 0, created 0
> 222 11369 [main] ldd (23572) user_heap_info::init: heap base 0xA00000000, heap top 0xA00000000, heap size 0x20000000 (536870912)
> 179 11548 [main] ldd (23572) open_shared: name S-1-5-21-2799465626-2441719393-1676202033-1287.1, shared 0x1A1000000 (wanted 0x1A1000000), h 0x110, m 1, created 0
> 171 11719 [main] ldd (23572) user_info::create: opening user shared for 'S-1-5-21-2799465626-2441719393-1676202033-1287' at 0x1A1000000
> 237=1B5B313B324656 11875 [main] ldd (23572) user_info::create: user shared version AB1FCCE8
> 230 12105 [main] ldd (23572) fhandler_pipe::create: name \\.\pipe\cygwin-e022582115c10879-23572-sigwait<file://./pipe/cygwin-e022582115c10879-23572-sigwait>, size 11440, mode PIPE_TYPE_MESSAGE
> --- Process 23572 loaded C:\Windows\System32\ucrtbase.dll at 00007ffcfda00000
> --- Process 23572 thread 22416 created
> 0 0 [main] ldd (23572) **********************************************
> 1331 1331 [main] ldd (23572) Program name: C:\cygwin64\bin\ldd.exe (windows pid 23572)
> 168 1499 [main] ldd (23572) OS version: Windows NT-10.0
> 193 1692 [main] ldd (23572) **********************************************
> --- Process 23572 loaded C:\Windows\System32\cryptbase.dll at 00007ffcfcf30000
> --- Process 23572 loaded C:\Windows\System32\bcryptprimitives.dll at 00007ffcfd720000
> 6309 8001 [main] ldd (23572) sigprocmask: 0 = sigprocmask (0, 0x0, 0x7FFCCE199450)
> 3146 11147 [main] ldd (23572) open_shared: name shared.5, shared 0x1A0000000 (wanted 0x1A0000000), h 0x114, m 0, created 0
> 222 11369 [main] ldd (23572) user_heap_info::init: heap base 0xA00000000, heap top 0xA00000000, heap size 0x20000000 (536870912)
> 179 11548 [main] ldd (23572) open_shared: name S-1-5-21-2799465626-2441719393-1676202033-1287.1, shared 0x1A1000000 (wanted 0x1A1000000), h 0x110, m 1, created 0
> 171 11719 [main] ldd (23572) user_info::create: opening user shared for 'S-1-5-21-2799465626-2441719393-1676202033-1287' at 0x1A1000000
> 237=1B5B313B324656 11875 [main] ldd (23572) user_info::create: user shared version AB1FCCE8
> 230 12105 [main] ldd (23572) fhandler_pipe::create: name \\.\pipe\cygwin-e022582115c10879-23572-sigwait<file://./pipe/cygwin-e022582115c10879-23572-sigwait>, size 11440, mode PIPE_TYPE_MESSAGE
> 1472 13577 [main] ldd (23572) fhandler_pipe::create: pipe read handle 0x12C
> 139 13716 [main] ldd (23572) fhandler_pipe::create: CreateFile: name \\.\pipe\cygwin-e022582115c10879-23572-sigwait<file://./pipe/cygwin-e022582115c10879-23572-sigwait>
> 951 14667 [main] ldd (23572) fhandler_pipe::create: pipe write handle 0x130
> 194 14861 [main] ldd (23572) dll_crt0_0: finished dll_crt0_0 initialization
> --- Process 23572 loaded C:\Program Files\McAfee\DLP\Agent\fcagpph64.dll at 00007ffcbd240000
> --- Process 23572 loaded C:\Windows\System32\user32.dll at 00007ffcfe3e0000
> --- Process 23572 loaded C:\Windows\System32\win32u.dll at 00007ffcfdf40000
> --- Process 23572 loaded C:\Windows\System32\gdi32.dll at 00007ffcffea0000
> --- Process 23572 loaded C:\Windows\System32\gdi32full.dll at 00007ffcfd7b0000
> --- Process 23572 loaded C:\Windows\System32\msvcp_win.dll at 00007ffcfd960000
> --- Process 23572 loaded C:\Windows\System32\shell32.dll at 00007ffcff130000
> --- Process 23572 loaded C:\Windows\System32\ole32.dll at 00007ffcffc90000
> --- Process 23572 loaded C:\Windows\System32\combase.dll at 00007ffcff930000
> --- Process 23572 loaded C:\Windows\System32\shlwapi.dll at 00007ffcff0d0000
> --- Process 23572 loaded C:\Windows\System32\ws2_32.dll at 00007ffcfe740000
> --- Process 23572 loaded C:\Windows\System32\oleaut32.dll at 00007ffcffdc0000
> --- Process 23572 loaded C:\Windows\System32\winspool.drv at 00007ffce6580000
> --- Process 23572 loaded C:\Windows\System32\version.dll at 00007ffcf2ed0000
> --- Process 23572 loaded C:\Windows\System32\imm32.dll at 00007ffcfea00000
> --- Process 23572 loaded C:\Windows\System32\sspicli.dll at 00007ffcfd5e0000
> --- Process 23572 loaded C:\Windows\System32\ntmarta.dll at 00007ffcfc800000
> --- Process 23572 thread 18240 created
> --- Process 23572 thread 19844 created
> --- Process 23572, exception c0000005 at 00007ffccdf47de4
> --- Process 23572 thread 22416 exited with status 0x0
> --- Process 23572 thread 25044 exited with status 0xc0000005
> --- Process 23572 thread 19844 exited with status 0xc0000005
> --- Process 23572 exited with status 0xc0000005
>
> From: Jon Turney <jon.turney@dronecode.org.uk>
> Sent: Monday, May 22, 2023 6:32 AM
> To: Rodney Brown <rbrown@bravurasolutions.com>; cygwin-apps@cygwin.com
> Subject: Re: x86_64 ldd hangs running on a DLL
>
> [EXTERNAL EMAIL]
>
> On 18/05/2023 02:46, Rodney Brown via Cygwin wrote:
>> $ uname -a
>> CYGWIN_NT-10.0-19045 X 3.4.6-1.x86_64 2023-02-14 13:23 UTC x86_64 Cygwin
>> $ ldd --version
>> ldd (cygwin) 3.4.6
>>
>> As with "ldd freezes" https://sourceware.org/legacy-ml/cygwin/2015-07/msg00314.html<https://sourceware.org/legacy-ml/cygwin/2015-07/msg00314.html> , cygcheck works,
>> not only for Cygwin DLLs and ldd hangs needing the xterm to be closed, though it can interrupted when run
>> under strace, or did. Strace now is segfaulting.
>
> What changed to make it start segfaulting?
>
>> Did Corinna's fix for i686 not end up in the x86_64 code?
>
> The claim here seems to be: ldd is broken on x86_64 for all dlls, and
> has been since 2015, and nobody has noticed.
>
> While possible, this seems unlikely.
>
> All I can tell you is that it appears to WFM. Perhaps you can provide
> some more details?
>
>> $ ldd /usr/bin/cygwin1.dll
>> ntdll.dll => /cygdrive/c/WINDOWS/SYSTEM32/ntdll.dll (0x7ffe56090000)
>> KERNEL32.DLL => /cygdrive/c/WINDOWS/System32/KERNEL32.DLL (0x7ffe54a90000)
>> KERNELBASE.dll => /cygdrive/c/WINDOWS/System32/KERNELBASE.dll (0x7ffe53c40000)
>> msvcrt.dll => /cygdrive/c/WINDOWS/System32/msvcrt.dll (0x7ffe55750000)
>> advapi32.dll => /cygdrive/c/WINDOWS/System32/advapi32.dll (0x7ffe54d90000)
>> sechost.dll => /cygdrive/c/WINDOWS/System32/sechost.dll (0x7ffe549b0000)
>> RPCRT4.dll => /cygdrive/c/WINDOWS/System32/RPCRT4.dll (0x7ffe55570000)
>> CRYPTBASE.DLL => /cygdrive/c/WINDOWS/SYSTEM32/CRYPTBASE.DLL (0x7ffe53060000)
>> bcryptPrimitives.dll => /cygdrive/c/WINDOWS/System32/bcryptPrimitives.dll (0x7ffe53770000)
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