https://bugs.freedesktop.org/show_bug.cgi?id=64689
Priority: medium
Bug ID: 64689
Assignee: [email protected]
Summary: NULL deref in busy_cursor_grab_focus causes SEGV
Severity: normal
Classification: Unclassified
OS: All
Reporter: [email protected]
Hardware: Other
Status: NEW
Version: unspecified
Component: weston
Product: Wayland
Created attachment 79444
--> https://bugs.freedesktop.org/attachment.cgi?id=79444&action=edit
weston gdb backtrace
Weston crashes due to a NULL deref in busy_cursor_grab_focus() on
"grab->shsurf" (see attached gdb backtrace). This is triggered with various
clutter and efl client test cases that I've tried. If you run the following
clutter conform test, you can trigger the crash about 95% of the time:
./test-conformance -k --verbose -p /conform/actor/actor_pick
When weston crashes, it prints the following message to the console:
[15:12:54.169] caught signal: 11
[15:12:54.170] [000000000040e176] -- (weston)
[15:12:54.170] [000000000040e25e] -- (weston)
[15:12:54.170] [00007f70b2a03fe0] -- (/lib64/libpthread.so.0)
[15:12:54.170] [00007f70ad63b00c] --
(/home/uartie/Work/intel/wayland/install/lib/weston/desktop-shell.so)
[15:12:54.170] [000000000040f67d] -- (weston)
[15:12:54.170] [000000000040a86a] -- (weston)
[15:12:54.170] [000000000040b834] -- (weston)
[15:12:54.170] [000000000040ba1d] weston_output_finish_frame (weston)
[15:12:54.170] [00007f70b0fdd438] --
(/home/uartie/Work/intel/wayland/install/lib/weston/x11-backend.so)
[15:12:54.170] [00007f70b0fdd736] --
(/home/uartie/Work/intel/wayland/install/lib/weston/x11-backend.so)
[15:12:54.170] [00007f70b349d29b] --
(/home/uartie/Work/intel/wayland/install/lib/libwayland-server.so.0)
[15:12:54.170] [00007f70b349dba4] wl_event_loop_dispatch
(/home/uartie/Work/intel/wayland/install/lib/libwayland-server.so.0)
[15:12:54.170] [00007f70b349b673] wl_display_run
(/home/uartie/Work/intel/wayland/install/lib/libwayland-server.so.0)
[15:12:54.170] [000000000040ee88] -- (weston)
[15:12:54.170] [0000003763221735] __libc_start_main (/lib64/libc.so.6)
[15:12:54.170] [0000000000407659] -- (weston)
It appears that the client-side crashes before the server-side.
First bad Weston commit is be6403ed5c4fdab884d391778e2572aae109f1a0
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