[Wayland-bugs] [Bug 65728] New: SIGSEGV in wl_resource_get_client() during weston_pointer_set_focus()

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=65728

          Priority: high
            Bug ID: 65728
          Assignee: wayland-bugs at lists.freedesktop.org
           Summary: SIGSEGV in wl_resource_get_client() during
                    weston_pointer_set_focus()
          Severity: critical
    Classification: Unclassified
                OS: All
          Reporter: ullysses.a.eoff at intel.com
          Hardware: Other
            Status: NEW
           Version: unspecified
         Component: weston
           Product: Wayland

Created attachment 80793
  --> https://bugs.freedesktop.org/attachment.cgi?id=80793&action=edit
gdb backtrace

Weston segfaults in wl_resource_get_client() during weston_pointer_set_focus().
 Was only able to trigger this SIGSEGV with the "efl/egl/WindowFullscreenTest"
test in wayland-fits while running the entire test suite.  Running the test in
isolation did not trigger the SIGSEGV.

First bad commit is:
http://cgit.freedesktop.org/wayland/weston/commit/?id=26ed73cee858956f6af07c3e4bb49b5514f17b8b

Steps:

1. Build wayland-fits with efl-wayland tests
 $ ./autogen.sh --prefix=$WLD/install --enable-efl-tests
--enable-weston-extensions
 $ make && make install
2. Launch weston with weston-wfits.so module and notify input:
 $ WESTON_WFITS_INPUT_EMULATOR=notify weston --modules=weston-wfits.so -i0 &
3. Execute wayland-fits
 $ wfits
4. Observe SIGSEGV during efl/egl/WindowFullscreenTest (gdb backtrace attached)

System:

wayland (master) heads/master-0-gbca4124
git://anongit.freedesktop.org/wayland/wayland
fontconfig (master) heads/master-0-gcd9b103
git://anongit.freedesktop.org/git/fontconfig
drm (master) heads/master-0-ga0178c0 git://anongit.freedesktop.org/git/mesa/drm
mesa (master) heads/master-0-g6057d7b git://anongit.freedesktop.org/mesa/mesa
libxkbcommon (master) xkbcommon-0.3.1-0-g9f01bd1
git://github.com/xkbcommon/libxkbcommon
pixman (master) heads/master-0-g279bdcd git://anongit.freedesktop.org/pixman
cairo (master) heads/master-0-gc51b850 git://anongit.freedesktop.org/cairo
weston (master) heads/master-0-ga2ce68f
git://anongit.freedesktop.org/wayland/weston
harfbuzz (master) heads/master-0-g7235f33
git://anongit.freedesktop.org/git/harfbuzz
glib (master) heads/master-0-g910732e git://git.gnome.org/glib
atk (master) heads/master-0-g3a91620 git://git.gnome.org/atk
efl (master) heads/master-0-gf43ac1a git://git.enlightenment.org/core/efl.git
elementary (master) heads/master-0-g824ee3c
git://git.enlightenment.org/core/elementary
cogl (cogl-1.16) heads/cogl-1.16-0-g534e535 git://git.gnome.org/cogl
clutter (clutter-1.16) heads/clutter-1.16-0-gfa933b5
git://git.gnome.org/clutter
gdk-pixbuf (master) heads/master-0-g27e6ad7 git://git.gnome.org/gdk-pixbuf
pango (master) heads/master-0-g8ac9fc7 git://git.gnome.org/pango
at-spi2-core (master) AT_SPI2_CORE_2_9_2-0-g9921d02
git://git.gnome.org/at-spi2-core
at-spi2-atk (master) AT_SPI2_ATK_2_9_2-0-g58e7004
git://git.gnome.org/at-spi2-atk
gtk+ (master) heads/master-0-g860639e git://git.gnome.org/gtk+
wayland-fits (master) heads/master-0-g5f1a8cc
git at github.com:01org/wayland-fits.git

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