shithub: dav1d

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frame mt: mark frame as failed in dav1d_close()

Fixes a deadlock on teardown with
clusterfuzz-testcase-minimized-dav1d_fuzzer_mt-5636065151418368. Credits
to oss-fuzz.

--- a/src/lib.c

+++ b/src/lib.c

@@ -286,6 +286,10 @@

         // clean-up threading stuff

         if (c->n_fc > 1) {

+            if (f->frame_hdr.refresh_context)

+                dav1d_cdf_thread_signal(&f->out_cdf);

+            dav1d_thread_picture_signal(&f->sr_cur, FRAME_ERROR,

+                                        PLANE_TYPE_ALL);

             pthread_mutex_lock(&f->frame_thread.td.lock);

             f->frame_thread.die = 1;

             pthread_cond_signal(&f->frame_thread.td.cond);