Michael Niedermayer d482bf35eb avformat/jacosubdec: Check for min in t overflow in get_shift() ...

Fixes: negation of -2147483648 cannot be represented in type 'int'; cast to an unsigned type to negate this value to itself
Fixes: 34651/clusterfuzz-testcase-minimized-ffmpeg_dem_JACOSUB_fuzzer-5157941012463616

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 989febfbd0)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>

2021-10-05 23:19:39 +02:00

8.0 KiB

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