[FFmpeg-trac] #8972(avcodec:new): Segfault looping PNG

[FFmpeg]

#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>
FFmpeg <https://ffmpeg.org>
FFmpeg issue tracker