[Bug gdb/14564] New: ./common/linux-ptrace.c:117: internal-error: linux_ptrace_test_ret_to_nx: Assertion `WIFSTOPPED (status)' failed.

["anton.kochkov at gmail dot com" <sourceware-bugzilla@sourceware.org>]

http://sourceware.org/bugzilla/show_bug.cgi?id=14564

             Bug #: 14564
           Summary: ./common/linux-ptrace.c:117: internal-error:
                    linux_ptrace_test_ret_to_nx: Assertion `WIFSTOPPED
                    (status)' failed.
           Product: gdb
           Version: 7.5
            Status: NEW
          Severity: normal
          Priority: P2
         Component: gdb
        AssignedTo: unassigned@sourceware.org
        ReportedBy: anton.kochkov@gmail.com
    Classification: Unclassified


Here is full session log:

┌─[ xvilka@XLaptop ] [ 4:08:44 ] ~ 
└>gdb gdb
GNU gdb (Gentoo 7.5 p1) 7.5
Copyright (C) 2012 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.  Type "show copying"
and "show warranty" for details.
This GDB was configured as "i686-pc-linux-gnu".
For bug reporting instructions, please see:
<http://bugs.gentoo.org/>...
Reading symbols from /usr/bin/gdb...(no debugging symbols found)...done.
(gdb) run elinks
Starting program: /usr/bin/gdb elinks
./common/linux-ptrace.c:117: internal-error: linux_ptrace_test_ret_to_nx:
Assertion `WIFSTOPPED (status)' failed.
A problem internal to GDB has been detected,
further debugging may prove unreliable.
Quit this debugging session? (y or n) n
./common/linux-ptrace.c:117: internal-error: linux_ptrace_test_ret_to_nx:
Assertion `WIFSTOPPED (status)' failed.
A problem internal to GDB has been detected,
further debugging may prove unreliable.
Create a core file of GDB? (y or n) N
(gdb) n
Cannot execute this command while the selected thread is running.
(gdb) q
A debugging session is active.

    Inferior 1 [process 4439] will be killed.

Quit anyway? (y or n) y

Here is uname:
Linux XLaptop 3.5.1-hardened #1 PREEMPT Sun Aug 12 16:29:19 MSK 2012 i686
Intel(R) Celeron(R) CPU 743 @ 1.30GHz GenuineIntel GNU/Linux

Here is part of dmesg (PaX) error:

[2396058.354252] PAX: execution attempt in: <anonymous mapping>,
aa1d2000-aa1d5000 aa1d2000
[2396058.354259] PAX: terminating task: /usr/bin/gdb(gdb):15808, uid/euid:
1000/1000, PC: aa1d2000, SP: bb6d5690
[2396058.354262] PAX: bytes at PC: cc 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 
[2396058.354276] PAX: bytes at SP-4: aa1d2000 00000000 00000000 00000000
00000000 ffffffff 00000000 00000000 176cba91 00004200 00003dbd 00000000
0000003f 00003dbd 
00003dbd 00000000 cc6c4300 00003dbd 00003dbd 00000000 186d46f4 
[2396058.354319] grsec: denied resource overstep by requesting 4096 for
RLIMIT_CORE against limit 0 for /usr/bin/gdb[gdb:15808] uid/euid:1000/1000 
gid/egid:1000/1000, parent /usr/bin/gdb[gdb:15802] uid/euid:1000/1000
gid/egid:1000/1000
[2400796.221781] PAX: execution attempt in: <anonymous mapping>,
a486b000-a486e000 a486b000
[2400796.221789] PAX: terminating task: /usr/bin/gdb(gdb):4442, uid/euid:
1000/1000, PC: a486b000, SP: b4bb9440
[2400796.221792] PAX: bytes at PC: cc 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 
[2400796.221807] PAX: bytes at SP-4: a486b000 00000000 00000000 00000000
00000000 ffffffff 00000000 00000000 16505a91 00004200 00001157 00000000
0000003f 00001157 
00001157 00000000 4742b000 00001157 00001157 00000000 1750e6f4 
[2400796.221846] grsec: denied resource overstep by requesting 4096 for
RLIMIT_CORE against limit 0 for /usr/bin/gdb[gdb:4442] uid/euid:1000/1000 
gid/egid:1000/1000, parent /usr/bin/gdb[gdb:4437] uid/euid:1000/1000
gid/egid:1000/1000

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