Bug 39944

При попытке воспроизвести видео на странице, вкладка в firefox-esr падает. Не воспроизводится на firefox.

Воспроизведение:
1) Открыть youtube.com
2) Открыть любое видео.
3) Начать воспроизведение видео.

Результат:
Вкладка падает, в dmesg появляется соответствующее сообщение.

Ожидаемый результат:
Воспроизведение видео.

Сообщение в dmesg:
[ 1758.288748] MediaDe~hine #1[6062]: segfault at 0 ip 00007f72eca97088 sp 00007f72c384ce70 error 4 in libmozsandbox.so[7f72eca71000+2e000]
[ 1758.288759] Code: 74 13 89 cf 81 e7 00 10 00 00 74 09 80 3a 00 0f 84 cd 00 00 00 48 c7 c3 da ff ff ff 48 85 f6 0f 84 b3 01 00 00 83 f8 9c 74 09 <80> 3a 2f 0f 85 f4 00 00 00 89 cf 81 e7 ff f6 ff ff 0f 84 ce 00 00

backtrace (при установленном debuginfo):
Core was generated by `/usr/lib64/firefox/firefox -contentproc -childID 3 -isForBrowser -prefsLen 7346'.
Program terminated with signal SIGSEGV, Segmentation fault.
#0  0x00007f72eca97088 in ?? () from /usr/lib64/firefox/libmozsandbox.so
[Current thread is 1 (Thread 0x7f72c384f640 (LWP 6062))]
(gdb) bt
#0  0x00007f72eca97088 in ?? () from /usr/lib64/firefox/libmozsandbox.so
#1  0x00007f72eca727f2 in ?? () from /usr/lib64/firefox/libmozsandbox.so
#2  0x00007f72eca951b6 in ?? () from /usr/lib64/firefox/libmozsandbox.so
#3  <signal handler called>
#4  __GI___fxstatat (vers=1, fd=0, file=0x0, st=0x7f72c384dbc0, flag=0) at ../sysdeps/unix/sysv/linux/wordsize-64/fxstatat.c:43
#5  0x00007f72ec56dc6f in statx_generic (fd=<optimized out>, path=<optimized out>, flags=<optimized out>, buf=0x0, mask=<optimized out>) at ./statx_generic.c:60
#6  0x00007f72e8d107d5 in ?? () from /usr/lib64/firefox/libxul.so
#7  0x00007f72e8bc2665 in ?? () from /usr/lib64/firefox/libxul.so
#8  0x00007f72e892bc39 in ?? () from /usr/lib64/firefox/libxul.so
#9  0x00007f72e73c51b8 in ?? () from /usr/lib64/firefox/libxul.so
#10 0x00007f72e6459c95 in ?? () from /usr/lib64/firefox/libxul.so
#11 0x00007f72e6459777 in ?? () from /usr/lib64/firefox/libxul.so
#12 0x00007f72e65f37fb in ?? () from /usr/lib64/firefox/libxul.so
#13 0x00007f72e65f27f9 in ?? () from /usr/lib64/firefox/libxul.so
#14 0x00007f72e65f5287 in ?? () from /usr/lib64/firefox/libxul.so
#15 0x00007f72e65fa2c6 in ?? () from /usr/lib64/firefox/libxul.so
#16 0x00007f72e64b37bc in ?? () from /usr/lib64/firefox/libxul.so
#17 0x00007f72e64ac469 in ?? () from /usr/lib64/firefox/libxul.so
#18 0x00007f72e64ac16e in ?? () from /usr/lib64/firefox/libxul.so
#19 0x00007f72e64b56f5 in ?? () from /usr/lib64/firefox/libxul.so
#20 0x00007f72e64e2c94 in ?? () from /usr/lib64/firefox/libxul.so
#21 0x00007f72e4670ce5 in ?? () from /usr/lib64/firefox/libxul.so
#22 0x00007f72e466f82a in ?? () from /usr/lib64/firefox/libxul.so
#23 0x00007f72e46804fc in ?? () from /usr/lib64/firefox/libxul.so
#24 0x00007f72e467c663 in ?? () from /usr/lib64/firefox/libxul.so
#25 0x00007f72e467f076 in ?? () from /usr/lib64/firefox/libxul.so
#26 0x00007f72e4a9c308 in ?? () from /usr/lib64/firefox/libxul.so
#27 0x00007f72e4a5b6b8 in ?? () from /usr/lib64/firefox/libxul.so
#28 0x00007f72e467a7b4 in ?? () from /usr/lib64/firefox/libxul.so
#29 0x00007f72ec45693e in ?? () from /usr/lib64/libnspr4.so
#30 0x00007f72eca1feae in start_thread (arg=0x7f72c384f640) at pthread_create.c:463
#31 0x00007f72ec57dd4f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95