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Alexander Orzechowski 88c17ece3b warp_to_constraint_cursor_hint: Handle NULL view ... This might be the wrong fix, but the crash is happening because the ->data field on an xwayland surface is NULL. A NULL data field is normal for unmanaged surfaces, however it seems clients can do weird things: They can create a cursor lock on a regular xwayland surface then make it unmanaged by calling override_redirect. In this case, the xwayland server should destroy the cursor lock, which is does, but does so in the wrong order making it try to dereference a NULL pointer after sway has acknowledged its new unmanaged status. ``` (gdb) bt full 0 0x000055fd91934861 in warp_to_constraint_cursor_hint (cursor=0x55fd93486c00) at ../sway/input/cursor.c:1243 sy = 605 lx = 6.9527431433545762e-310 sx = 1272 view = 0x0 con = 0x7ffd1cdfe400 ly = -6.949595189996421e+59 constraint = 0x55fd93e7faa0 1 0x000055fd91934976 in handle_constraint_destroy (listener=0x55fd93f0fd58, data=0x55fd93e7faa0) at ../sway/input/cursor.c:1266 sway_constraint = 0x55fd93f0fd30 constraint = 0x55fd93e7faa0 cursor = 0x55fd93486c00 2 0x00007fda8275bf6e in wl_signal_emit_mutable () at /usr/lib/libwayland-server.so.0 3 0x00007fda82e57016 in pointer_constraint_destroy (constraint=0x55fd93e7faa0) at ../subprojects/wlroots/types/wlr_pointer_constraints_v1.c:49 4 0x00007fda82e570dc in pointer_constraint_destroy_resource (resource=0x55fd933cf8f0) at ../subprojects/wlroots/types/wlr_pointer_constraints_v1.c:66 constraint = 0x55fd93e7faa0 5 0x00007fda8275d8ba in () at /usr/lib/libwayland-server.so.0 6 0x00007fda8275f6a9 in wl_resource_destroy () at /usr/lib/libwayland-server.so.0 7 0x00007fda82e56fb3 in resource_destroy (client=0x55fd93ea52e0, resource=0x55fd933cf8f0) at ../subprojects/wlroots/types/wlr_pointer_constraints_v1.c:39 8 0x00007fda81d8f4f6 in () at /usr/lib/libffi.so.8 9 0x00007fda81d8bf5e in () at /usr/lib/libffi.so.8 10 0x00007fda81d8eb73 in ffi_call () at /usr/lib/libffi.so.8 11 0x00007fda8275aada in () at /usr/lib/libwayland-server.so.0 12 0x00007fda8275f01c in () at /usr/lib/libwayland-server.so.0 13 0x00007fda8275d9e2 in wl_event_loop_dispatch () at /usr/lib/libwayland-server.so.0 14 0x00007fda8275e197 in wl_display_run () at /usr/lib/libwayland-server.so.0 15 0x000055fd919264d3 in server_run (server=0x55fd919a3a80 <server>) at ../sway/server.c:320 16 0x000055fd91925457 in main (argc=1, argv=0x7ffd1cdfed98) at ../sway/main.c:411 verbose = false debug = false validate = false allow_unsupported_gpu = false config_path = 0x0 c = -1 ```		2 years ago
..
cursor.c	warp_to_constraint_cursor_hint: Handle NULL view	2 years ago
input-manager.c	seat: Avoid sending redundant keymaps on reload	2 years ago
keyboard.c	seat: Set keyboard if seat keyboard is NULL	2 years ago
libinput.c	Add libinput RotationAngle	2 years ago
seat.c	seat: Avoid sending redundant keymaps on reload	2 years ago
seatop_default.c	Replace math functions that promote float to double	2 years ago
seatop_down.c	Replace math functions that promote float to double	2 years ago
seatop_move_floating.c	container: Move pending state to state struct	4 years ago
seatop_move_tiling.c	Add tab dragging functionality	4 years ago
seatop_resize_floating.c	Handle border width and height on minimum floating sizes	3 years ago
seatop_resize_tiling.c	container: Move pending state to state struct	4 years ago
switch.c	Remove access to wlr_input_device union	2 years ago
tablet.c	Make libinput backend optional	2 years ago
text_input.c	sway/input: don't pass possibly invalid modifiers pointer	3 years ago