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| author | Michael Niedermayer <michael@niedermayer.cc> | 2022-06-16 23:02:11 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2022-06-23 22:03:02 +0200 |
| commit | d8ee01425459aaafe36acc7743b3f9f28a01821b (patch) | |
| tree | c2568b9ae5855a0e4f88ebbf8c95c83e909c70a5 /libavformat/filmstripdec.c | |
| parent | 38bc24be8d366dbf832fa1a2a4a89901de981067 (diff) | |
avformat/hls: Limit start_seq_no to one bit less
This avoids overflow checks on additions with 32bit numbers
Fixes: signed integer overflow: 9223372036854775806 + 2 cannot be represented in type 'long'
Fixes: 44012/clusterfuzz-testcase-minimized-ffmpeg_dem_HLS_fuzzer-4747770734444544
Fixes: 48065/clusterfuzz-testcase-minimized-ffmpeg_dem_HLS_fuzzer-5372410355908608
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Diffstat (limited to 'libavformat/filmstripdec.c')
0 files changed, 0 insertions, 0 deletions