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| author | Michael Niedermayer <michael@niedermayer.cc> | 2022-06-16 23:02:11 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2022-09-01 00:41:28 +0200 |
| commit | 40ed3f6e8434bff12835133a14475eb3ed2fd140 (patch) | |
| tree | aa684359bd4070faa9a0a998eb22e1793f9390e0 /libavcodec | |
| parent | a9ccfc12100e127979ed019d4a92703666dd1e68 (diff) | |
| download | ffmpeg-40ed3f6e8434bff12835133a14475eb3ed2fd140.tar.gz | |
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>
(cherry picked from commit d8ee01425459aaafe36acc7743b3f9f28a01821b)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Diffstat (limited to 'libavcodec')
0 files changed, 0 insertions, 0 deletions