[Bug 111489] New: Segfault when typing "\b" with dogtail

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=111489

            Bug ID: 111489
           Summary: Segfault when typing "\b" with dogtail
           Product: xorg
           Version: 7.7 (2012.06)
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: not set
          Priority: not set
         Component: Driver/intel
          Assignee: chris at chris-wilson.co.uk
          Reporter: symphorien.gibol at gmail.com
        QA Contact: intel-gfx-bugs at lists.freedesktop.org

Created attachment 145170
  --> https://bugs.freedesktop.org/attachment.cgi?id=145170&action=edit
full log

Steps to reproduce:
1/ install python and dogtail. This may need a gtk-based desktop environment
with accessibility enabled.
2/ run the following python script:
from dogtail.procedural import type
type('\b')
3/ xorg segfaults:
[162117.108] (EE) Backtrace:
[162117.109] (EE) 0:
/nix/store/bj8n1n3wn3fkjvriiy6gkiba10g37c3v-xorg-server-1.20.4/bin/X
(OsSigHandler+0x29) [0x59af79]
[162117.109] (EE) 1:
/nix/store/681354n3k44r8z90m35hm8945vsp95h1-glibc-2.27/lib/libpthread.so.0
(funlockfile+0x50) [0x7f29206d68af]
[162117.109] (EE) 2:
/nix/store/bj8n1n3wn3fkjvriiy6gkiba10g37c3v-xorg-server-1.20.4/bin/X
(_XkbSetMapChecks.isra.28+0x4d) [0x53758d]
[162117.110] (EE) 3:
/nix/store/bj8n1n3wn3fkjvriiy6gkiba10g37c3v-xorg-server-1.20.4/bin/X
(ProcXkbSetMap+0x15f) [0x53eb5f]
[162117.110] (EE) 4:
/nix/store/bj8n1n3wn3fkjvriiy6gkiba10g37c3v-xorg-server-1.20.4/bin/X
(Dispatch+0x308) [0x442468]
[162117.110] (EE) 5:
/nix/store/bj8n1n3wn3fkjvriiy6gkiba10g37c3v-xorg-server-1.20.4/bin/X
(dix_main+0x378) [0x4463e8]
[162117.110] (EE) 6:
/nix/store/681354n3k44r8z90m35hm8945vsp95h1-glibc-2.27/lib/libc.so.6
(__libc_start_main+0xee) [0x7f2920530b8e]
[162117.111] (EE) 7:
/nix/store/bj8n1n3wn3fkjvriiy6gkiba10g37c3v-xorg-server-1.20.4/bin/X
(_start+0x2a) [0x43010a]
[162117.111] (EE) 
[162117.111] (EE) Segmentation fault at address 0x68


Xorg version 1.20.4
intel integrated gpu
NixOS 19.03.172927.30a82bba734 (Koi)

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