[Wayland-bugs] [Bug 93833] NULL dereference in weston_pointer_send_frame with RDP backend

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=93833

            Bug ID: 93833
           Summary: NULL dereference in weston_pointer_send_frame with RDP
                    backend
           Product: Wayland
           Version: unspecified
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: weston
          Assignee: wayland-bugs at lists.freedesktop.org
          Reporter: lnicola at dend.ro

I'm getting this crash when connecting with the Windows RDP client (mstsc).

#0  weston_pointer_send_frame (pointer=0xec7080) at ../src/input.c:394
#1  0x0000000000411031 in default_grab_pointer_frame (grab=<optimized out>) at
../src/input.c:416
#2  0x0000000000413410 in notify_pointer_frame (seat=seat at entry=0x71c628) at
../src/input.c:1370
#3  0x00007ffff61c4f27 in xf_mouseEvent (input=<optimized out>,
flags=<optimized out>, x=<optimized out>, y=<optimized out>) at
../src/compositor-rdp.c:1001
#4  0x00007ffff5f0f61c in fastpath_recv_inputs () from
/usr/lib/libfreerdp.so.2.0
#5  0x00007ffff5f1f1b7 in ?? () from /usr/lib/libfreerdp.so.2.0
#6  0x00007ffff5f1f2e8 in ?? () from /usr/lib/libfreerdp.so.2.0
#7  0x00007ffff5f124f0 in transport_check_fds () from
/usr/lib/libfreerdp.so.2.0
#8  0x00007ffff5f0b338 in rdp_check_fds () from /usr/lib/libfreerdp.so.2.0
#9  0x00007ffff5f1ef23 in ?? () from /usr/lib/libfreerdp.so.2.0
#10 0x00007ffff61c4c88 in rdp_client_activity (fd=<optimized out>,
mask=<optimized out>, data=0x71dab0) at ../src/compositor-rdp.c:658
#11 0x00007ffff7bd2462 in wl_event_loop_dispatch () from
/usr/lib/libwayland-server.so.0
#12 0x00007ffff7bd0cc5 in wl_display_run () from
/usr/lib/libwayland-server.so.0
#13 0x000000000041c25b in main (argc=1, argv=0x7fffffffe4f8) at
../src/main.c:859

(gdb) p pointer->focus_client
$3 = (struct weston_pointer_client *) 0x0

I'm using commit 1abf5e43b56fca493888f43e3261126b320e5cbb.

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