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| author | Ronald S. Bultje <rsbultje@gmail.com> | 2017-04-03 10:08:29 -0400 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2020-07-05 13:01:36 +0200 |
| commit | 453519af0d4a50bbc62999b312de9692e429bf22 (patch) | |
| tree | 24d1dedfa2b59673248569560eb5a0621729db5d /doc/formats.texi | |
| parent | 0f6fa27b241676624bab91fc6ecdf8ac01121d29 (diff) | |
| download | ffmpeg-453519af0d4a50bbc62999b312de9692e429bf22.tar.gz | |
png: split header state and data state in two separate variables.
Fixes a reported (but false) race condition in tsan for fate-apng:
WARNING: ThreadSanitizer: data race (pid=6274)
Read of size 4 at 0x7d680001ec78 by main thread (mutexes: write M1338):
#0 update_thread_context src/libavcodec/pngdec.c:1456 (ffmpeg+0x000000dacf0c)
[..]
Previous write of size 4 at 0x7d680001ec78 by thread T1 (mutexes: write M1335):
#0 decode_idat_chunk src/libavcodec/pngdec.c:737 (ffmpeg+0x000000dae951)
(cherry picked from commit 478f1c3d5e5463a284ea7efecfc62d47ba3be11a)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Diffstat (limited to 'doc/formats.texi')
0 files changed, 0 insertions, 0 deletions