Bug#889659: libwebkit2gtk: segmentation fault in strlen-avx2

Teus Benschop teusjannette at gmail.com
Mon Feb 5 13:06:09 UTC 2018


Package: libwebkit2gtk-4.0-37
Version: 2.18.6-1
Severity: important
File: libwebkit2gtk

Dear Maintainer,

At https://github.com/bibledit/cloud/issues/156 is a minimal test case.
This test case aims to display a web page.
It uses libwebkit2gtk-4.
The issue at https://github.com/bibledit/cloud/issues/156 describes a segmentation fault.
A back trade is included too.

(gdb) bt
#0  0x00007ffff0f2a1b1 in __strlen_avx2 ()
    at ../sysdeps/x86_64/multiarch/strlen-avx2.S:62
#1  0x00007ffff0e5961e in __GI___strdup (s=0x0) at strdup.c:41
#2  0x00007fffe00ea13a in  () at /usr/lib/x86_64-linux-gnu/libEGL_mesa.so.0
#3  0x00007fffe00dd471 in  () at /usr/lib/x86_64-linux-gnu/libEGL_mesa.so.0
#4  0x00007fffe00d3ab8 in  () at /usr/lib/x86_64-linux-gnu/libEGL_mesa.so.0
#5  0x00007ffff35b3eca in  ()
    at /usr/lib/x86_64-linux-gnu/libwebkit2gtk-4.0.so.37
#6  0x00007ffff35b4178 in  ()
    at /usr/lib/x86_64-linux-gnu/libwebkit2gtk-4.0.so.37
#7  0x00007ffff35afdef in  ()
    at /usr/lib/x86_64-linux-gnu/libwebkit2gtk-4.0.so.37
#8  0x00007ffff35afe38 in  ()
    at /usr/lib/x86_64-linux-gnu/libwebkit2gtk-4.0.so.37
#9  0x00007ffff35b8f1d in  ()
    at /usr/lib/x86_64-linux-gnu/libwebkit2gtk-4.0.so.37
---Type <return> to continue, or q <return> to quit---
#10 0x00007ffff33b1db2 in  ()
    at /usr/lib/x86_64-linux-gnu/libwebkit2gtk-4.0.so.37
#11 0x00007ffff33b83de in  ()
    at /usr/lib/x86_64-linux-gnu/libwebkit2gtk-4.0.so.37
#12 0x00007ffff33871fa in  ()
    at /usr/lib/x86_64-linux-gnu/libwebkit2gtk-4.0.so.37
#13 0x00007ffff33873a1 in  ()
    at /usr/lib/x86_64-linux-gnu/libwebkit2gtk-4.0.so.37
#14 0x00007ffff33873dd in  ()
    at /usr/lib/x86_64-linux-gnu/libwebkit2gtk-4.0.so.37
#15 0x00007ffff33c1597 in  ()
    at /usr/lib/x86_64-linux-gnu/libwebkit2gtk-4.0.so.37
#16 0x00007ffff33c1f97 in  ()
    at /usr/lib/x86_64-linux-gnu/libwebkit2gtk-4.0.so.37
#17 0x00007ffff35789d9 in  ()
    at /usr/lib/x86_64-linux-gnu/libwebkit2gtk-4.0.so.37
---Type <return> to continue, or q <return> to quit---
#18 0x00007ffff5a0b790 in  () at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#19 0x00007ffff5a0cd75 in g_object_new_with_properties ()
    at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#20 0x00007ffff5a0d7f1 in g_object_new ()
    at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#21 0x00007ffff35747ed in  ()
    at /usr/lib/x86_64-linux-gnu/libwebkit2gtk-4.0.so.37
#22 0x00007ffff57546c5 in g_once_impl ()
    at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#23 0x00007ffff3599fa9 in webkit_web_view_new ()
    at /usr/lib/x86_64-linux-gnu/libwebkit2gtk-4.0.so.37
#24 0x00005555555553ce in activate(GtkApplication*) (app=0x0)
    at bibledit.cpp:59
#25 0x00007ffff5a05f9d in g_closure_invoke ()
    at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#26 0x00007ffff5a18cce in  () at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
---Type <return> to continue, or q <return> to quit---
#27 0x00007ffff5a214a5 in g_signal_emit_valist ()
    at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#28 0x00007ffff5a21ebf in g_signal_emit ()
    at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#29 0x00007ffff5cea965 in  () at /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#30 0x00007ffff5ceab76 in g_application_run ()
    at /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#31 0x00005555555551bf in main(int, char**) (argc=1, argv=0x7fffffffe5a8)
    at bibledit.cpp:33
(gdb) 

-- System Information:
Debian Release: buster/sid
  APT prefers unstable
  APT policy: (500, 'unstable')
Architecture: amd64 (x86_64)

Kernel: Linux 4.14.0-3-amd64 (SMP w/4 CPU cores)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8), LANGUAGE=en_US:en (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Init: systemd (via /run/systemd/system)
LSM: AppArmor: enabled

Versions of packages libwebkit2gtk-4.0-37:amd64 depends on:
ii  libatk1.0-0                             2.26.1-3
ii  libc6                                   2.26-6
ii  libcairo2                               1.15.10-1
ii  libegl1                                 1.0.0-2
ii  libenchant1c2a                          1.6.0-11.1
ii  libfontconfig1                          2.12.6-0.1
ii  libfreetype6                            2.8.1-1
ii  libgcc1                                 1:7.3.0-1
ii  libgcrypt20                             1.8.1-4
ii  libgdk-pixbuf2.0-0                      2.36.11-1
ii  libgl1                                  1.0.0-2
ii  libglib2.0-0                            2.54.3-2
ii  libgstreamer-plugins-bad1.0-0           1.12.4-2+b1
ii  libgstreamer-plugins-base1.0-0          1.12.4-1
ii  libgstreamer1.0-0                       1.12.4-1
ii  libgtk-3-0                              3.22.26-2
ii  libharfbuzz-icu0                        1.7.2-1
ii  libharfbuzz0b                           1.7.2-1
ii  libhyphen0                              2.8.8-5
ii  libicu57                                57.1-8
ii  libjavascriptcoregtk-4.0-18             2.18.6-1
ii  libjpeg62-turbo                         1:1.5.2-2+b1
ii  libnotify4                              0.7.7-3
ii  libpango-1.0-0                          1.40.14-1
ii  libpng16-16                             1.6.34-1
ii  libsecret-1-0                           0.18.5-5
ii  libsoup2.4-1                            2.60.3-1
ii  libsqlite3-0                            3.22.0-1
ii  libstdc++6                              7.3.0-1
ii  libtasn1-6                              4.13-2
ii  libwayland-client0                      1.14.0-1+b1
ii  libwayland-egl1-mesa [libwayland-egl1]  17.3.3-1
ii  libwayland-server0                      1.14.0-1+b1
ii  libwebp6                                0.6.0-4
ii  libx11-6                                2:1.6.4-3
ii  libxcomposite1                          1:0.4.4-2
ii  libxdamage1                             1:1.1.4-3
ii  libxml2                                 2.9.4+dfsg1-6.1
ii  libxslt1.1                              1.1.29-5
ii  zlib1g                                  1:1.2.8.dfsg-5

Versions of packages libwebkit2gtk-4.0-37:amd64 recommends:
ii  gstreamer1.0-plugins-base  1.12.4-1
ii  gstreamer1.0-plugins-good  1.12.4-1
ii  gstreamer1.0-pulseaudio    1.12.4-1
ii  libgl1-mesa-dri            17.3.3-1

Versions of packages libwebkit2gtk-4.0-37:amd64 suggests:
pn  libwebkit2gtk-4.0-37-gtk2  <none>

-- no debconf information



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