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vnc: move assert in vnc_worker_thread_loop

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job may be NULL if queue->exit is true. Check
it before dereference job.

Fixes: f31f9c1080 ("vnc: add magic cookie to VncState")
Signed-off-by: Anastasia Belova <abelova@astralinux.ru>
Reviewed-by: Michael Tokarev <mjt@tls.msk.ru>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
(cherry picked from commit bdfca8a22f41e7ad47fd2dac71e4d1387e2c0d4e)
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
This commit is contained in:
Anastasia Belova 2023-06-09 12:23:06 +03:00 committed by Michael Tokarev
parent 8eb73afedc
commit 9b55660e4a
1 changed files with 2 additions and 1 deletions
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3
ui/vnc-jobs.c
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@ -250,12 +250,13 @@ static int vnc_worker_thread_loop(VncJobQueue *queue)
/* Here job can only be NULL if queue->exit is true */
job = QTAILQ_FIRST(&queue->jobs);
vnc_unlock_queue(queue);
assert(job->vs->magic == VNC_MAGIC);
if (queue->exit) {
return -1;
}
assert(job->vs->magic == VNC_MAGIC);
vnc_lock_output(job->vs);
if (job->vs->ioc == NULL || job->vs->abort == true) {
vnc_unlock_output(job->vs);