14ef201295
A surface can get destroyed while a shell grab is active, which can for example happen if the command running in weston-terminal exits. When a surface gets destroyed, grab->shsurf is reset to NULL by destroy_shell_grab_shsurf(), but otherwise the grab remains active and its callbacks continue to be called. Thus, dereferencing grab->shsurf in a callback without checking it for NULL first can lead to undefined behavior, including crashes. Several functions were already properly checking grab->shsurf for NULL, move_grab_motion() being one example. Others, however, were not, which is what this commit fixes. Related to https://gitlab.freedesktop.org/wayland/weston/issues/192 Signed-off-by: Sergey Bugaev <bugaevc@gmail.com> |
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| exposay.c | ||
| input-panel.c | ||
| meson.build | ||
| shell.c | ||
| shell.h | ||