Bug 1376447

Created attachment 1201205 [details]
File: backtrace

Created attachment 1201206 [details]
File: cgroup

Created attachment 1201207 [details]
File: core_backtrace

Created attachment 1201208 [details]
File: dso_list

Created attachment 1201209 [details]
File: environ

Created attachment 1201210 [details]
File: exploitable

Created attachment 1201211 [details]
File: limits

Created attachment 1201212 [details]
File: maps

Created attachment 1201213 [details]
File: mountinfo

Created attachment 1201214 [details]
File: namespaces

Created attachment 1201215 [details]
File: open_fds

Created attachment 1201216 [details]
File: proc_pid_status

Created attachment 1201217 [details]
File: var_log_messages

See bug 1373196 comment 19 for some debugging details.

The crash is actually in mutter and is still reproducible wit hcurrent git master:

#0  meta_wayland_surface_get_toplevel (surface=0x0, surface@entry=0x86ac50) at wayland/meta-wayland-surface.c:1689
#1  0x00007ffff7b68871 in actor_surface_commit (surface_role=<optimized out>, pending=0xb68700) at wayland/meta-wayland-surface.c:2012
#2  0x00007ffff7b6892b in shell_surface_role_surface_commit (surface_role=0x838bb0, pending=0xb68700) at wayland/meta-wayland-surface.c:2051
#3  0x00007ffff7b6c591 in xdg_surface_role_commit (surface_role=0x838bb0, pending=0xb68700) at wayland/meta-wayland-xdg-shell.c:1184
#4  0x00007ffff7b6d84d in xdg_popup_role_commit (surface_role=0x838bb0, pending=0xb68700) at wayland/meta-wayland-xdg-shell.c:835
#5  0x00007ffff7b67a54 in meta_wayland_surface_role_commit (pending=0xb68700, surface_role=<optimized out>) at wayland/meta-wayland-surface.c:1886
#6  apply_pending_state (surface=0x86ac50, pending=0xb68700) at wayland/meta-wayland-surface.c:798
#7  0x00007fffeecbfc58 in ffi_call_unix64 () at ../src/x86/unix64.S:76
#8  0x00007fffeecbf6ba in ffi_call (cif=cif@entry=0x7fffffffd090, fn=<optimized out>, rvalue=<optimized out>, rvalue@entry=0x0, avalue=avalue@entry=0x7fffffffd160)
    at ../src/x86/ffi64.c:525
#9  0x00007fffeeecd32a in wl_closure_invoke (closure=closure@entry=0x8f2cc0, flags=flags@entry=2, target=<optimized out>, target@entry=0x868d10, opcode=opcode@entry=6, 
    data=<optimized out>, data@entry=0x10ae310) at src/connection.c:935
#10 0x00007fffeeec98b7 in wl_client_connection_data (fd=<optimized out>, mask=<optimized out>, data=0x10ae310) at src/wayland-server.c:371
#11 0x00007fffeeecb752 in wl_event_loop_dispatch (loop=0x614a90, timeout=timeout@entry=0) at src/event-loop.c:423
#12 0x00007ffff7b54527 in wayland_event_source_dispatch (base=<optimized out>, callback=<optimized out>, data=<optimized out>) at wayland/meta-wayland.c:79
#13 0x00007ffff125f1d2 in g_main_dispatch (context=0x6164c0) at gmain.c:3201
#14 g_main_context_dispatch (context=context@entry=0x6164c0) at gmain.c:3854
#15 0x00007ffff125f518 in g_main_context_iterate (context=0x6164c0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3927
#16 0x00007ffff125f832 in g_main_loop_run (loop=0x862a40) at gmain.c:4123
#17 0x00007ffff7b2848c in meta_run () at core/main.c:572
#18 0x0000000000400ea1 in main (argc=<optimized out>, argv=<optimized out>) at core/mutter.c:85

Couldn't find a matching bug upstream so filed https://bugzilla.gnome.org/show_bug.cgi?id=771495

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