[FFmpeg-trac] #8972(avcodec:new): Segfault looping PNG
FFmpeg
trac at avcodec.org
Sat Mar 20 02:02:45 EET 2021
#8972: Segfault looping PNG
-------------------------------------+-------------------------------------
Reporter: Yorwba | Owner:
Type: defect | Status: new
Priority: important | Component: avcodec
Version: git-master | Resolution:
Keywords: crash race | Blocked By:
png regression |
Blocking: | Reproduced by developer: 1
Analyzed by developer: 0 |
-------------------------------------+-------------------------------------
Comment (by cehoyos):
valgrind also shows a leak:
{{{
==3618== at 0x4840EB8: memalign (in /usr/lib64/valgrind
/vgpreload_memcheck-amd64-linux.so)
==3618== by 0x4840FEE: posix_memalign (in /usr/lib64/valgrind
/vgpreload_memcheck-amd64-linux.so)
==3618== by 0x1223141: av_malloc (mem.c:86)
==3618== by 0x120B1C7: av_bprint_finalize (bprint.c:248)
==3618== by 0xB74563: decode_frame_common (pngdec.c:1352)
==3618== by 0xB77769: decode_frame_png (pngdec.c:1495)
==3618== by 0xB873AE: frame_worker_thread (pthread_frame.c:211)
==3618== by 0x4E98298: start_thread (in /lib64/libpthread-2.33.so)
==3618== by 0x4FB0AF2: clone (in /lib64/libc-2.33.so)
}}}
--
Ticket URL: <https://trac.ffmpeg.org/ticket/8972#comment:8>
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