[Bug 1302903] Re: traps: ld-linux-x32.so[10206] general protection ip:f7786e8d sp:ffd7ae08 error:0 in ld-2.17.so[f7770000+21000]

[Dimitri John Ledkov]

Margarita Manterola, is the linked debian bug similar to what you
reported earlier today on IRC?

The mentioned trivial reproducer on Debian, seems to succeed on Ubuntu, e.g.:
It's easier to reproduce than that:
 $ /libx32/ld-linux-x32.so.2
 Segmentation fault (core dumped)

Does not fail with core dump on up to date Trusty.

** Changed in: eglibc (Ubuntu)
       Status: New => Incomplete

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Title:
  traps: ld-linux-x32.so[10206] general protection ip:f7786e8d
  sp:ffd7ae08 error:0 in ld-2.17.so[f7770000+21000]

Status in “eglibc” package in Ubuntu:
  Incomplete
Status in “eglibc” package in Debian:
  New

Bug description:
  Imported from Debian bug http://bugs.debian.org/722348:

  Package: libc6-x32
  Version: 2.17-92+b1
  Severity: important

  Dear Maintainer,
  *** Please consider answering these questions, where appropriate ***
  > What led up to the situation?
  Don't know. Mostly when upgrading the packages a lot of these errors will be
  logged in /var/log/messages.

  > What exactly did you do (or not do) that was effective (or ineffective)?
  No, idea. Just apt-get upgrade the system.

  > What was the outcome of this action?
  Many error messages logged in the /var/log/message file:
  ---
  Sep 10 20:51:16 xxxxxx kernel: [  496.550568] traps: ld-linux-x32.so[9186]
  general protection ip:f7709e8d sp:fffb7998 error:0 in
  ld-2.17.so[f76f3000+21000]
  Sep 10 20:51:22 xxxxxx kernel: [  502.001278] do_general_protection: 34
  callbacks suppressed
  Sep 10 20:51:22 xxxxxx kernel: [  502.001289] traps: ld-linux-x32.so[9997]
  general protection ip:f774ee8d sp:ffa91478 error:0 in
  ld-2.17.so[f7738000+21000]
  Sep 10 20:51:22 xxxxxx kernel: [  502.085832] traps: ld-linux-x32.so[10011]
  general protection ip:f77cae8d sp:ffc98ac8 error:0 in
  ld-2.17.so[f77b4000+21000]
  Sep 10 20:51:22 xxxxxx kernel: [  502.132180] traps: ld-linux-x32.so[10027]
  general protection ip:f770ee8d sp:ff9a6048 error:0 in
  ld-2.17.so[f76f8000+21000]
  Sep 10 20:51:22 xxxxxx kernel: [  502.202541] traps: ld-linux-x32.so[10041]
  general protection ip:f7782e8d sp:ffe4d8a8 error:0 in
  ld-2.17.so[f776c000+21000]
  Sep 10 20:51:22 xxxxxx kernel: [  502.256817] traps: ld-linux-x32.so[10055]
  general protection ip:f77e7e8d sp:ff80e4f8 error:0 in
  ld-2.17.so[f77d1000+21000]
  Sep 10 20:51:22 xxxxxx kernel: [  502.314973] traps: ld-linux-x32.so[10069]
  general protection ip:f77afe8d sp:ffd43cd8 error:0 in
  ld-2.17.so[f7799000+21000]
  Sep 10 20:51:23 xxxxxx kernel: [  502.836815] traps: ld-linux-x32.so[10123]
  general protection ip:f7751e8d sp:ff8605f8 error:0 in
  ld-2.17.so[f773b000+21000]
  Sep 10 20:51:23 xxxxxx kernel: [  503.396900] traps: ld-linux-x32.so[10178]
  general protection ip:f779ce8d sp:ffc0ae38 error:0 in
  ld-2.17.so[f7786000+21000]
  Sep 10 20:51:23 xxxxxx kernel: [  503.452558] traps: ld-linux-x32.so[10192]
  general protection ip:f77abe8d sp:ff8e8368 error:0 in
  ld-2.17.so[f7795000+21000]
  Sep 10 20:51:23 xxxxxx kernel: [  503.497275] traps: ld-linux-x32.so[10206]
  general protection ip:f7786e8d sp:ffd7ae08 error:0 in
  ld-2.17.so[f7770000+21000]
  ---

  > What outcome did you expect instead?
  No errors.

  *** End of the template - remove these lines ***

  May I know how to debug this issue? Please let me know if anything I can help,
  thanks!


  -- System Information:
  Debian Release: jessie/sid
    APT prefers testing-proposed-updates
    APT policy: (500, 'testing-proposed-updates'), (500, 'testing')
  Architecture: amd64 (x86_64)
  Foreign Architectures: i386

  Kernel: Linux 3.10-2-amd64 (SMP w/2 CPU cores)
  Locale: LANG=en_US, LC_CTYPE=en_US (charmap=ISO-8859-1)
  Shell: /bin/sh linked to /bin/bash

  Versions of packages libc6-x32 depends on:
  ii  libc6  2.17-92+b1

  libc6-x32 recommends no packages.

  libc6-x32 suggests no packages.

  -- no debconf information

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