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| author | Michael Niedermayer <michael@niedermayer.cc> | 2022-02-08 02:30:59 +0300 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2022-04-06 21:27:35 +0300 |
| commit | faf66d99c04d0f6eb97ce4b3883e2f55f6d562fd (patch) | |
| tree | 57dc3b09725d76cf737dcde2f1f6b9b2e113de8e /libavformat | |
| parent | b356dcb2fe7145148015fb929eaaaa2fb4b35752 (diff) | |
avformat/hls: Use unsigned for iv computation
Fixes: signed integer overflow: 9223372036854775748 + 60 cannot be represented in type 'long'
Fixes: 44417/clusterfuzz-testcase-minimized-ffmpeg_dem_HLS_fuzzer-5802443881971712
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Reviewed-by: Steven Liu <lingjiujianke@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit bf33a384995ac21aa41422c6246ebdc5d9632452)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Diffstat (limited to 'libavformat')
| -rw-r--r-- | libavformat/hls.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libavformat/hls.c b/libavformat/hls.c index 597bea7f25..75209906d3 100644 --- a/libavformat/hls.c +++ b/libavformat/hls.c @@ -903,7 +903,7 @@ static int parse_playlist(HLSContext *c, const char *url, if (has_iv) { memcpy(seg->iv, iv, sizeof(iv)); } else { - int64_t seq = pls->start_seq_no + pls->n_segments; + uint64_t seq = pls->start_seq_no + (uint64_t)pls->n_segments; memset(seg->iv, 0, sizeof(seg->iv)); AV_WB64(seg->iv + 8, seq); } |