Michael Niedermayer <mich...@niedermayer.cc> 于2022年2月8日周二 22:59写道： > > 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 > Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > --- > libavformat/hls.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/libavformat/hls.c b/libavformat/hls.c > index 4568e72cb2..8541fa9420 100644 > --- a/libavformat/hls.c > +++ b/libavformat/hls.c > @@ -914,7 +914,7 @@ 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); > } > -- > 2.17.1 > > _______________________________________________ > ffmpeg-devel mailing list > ffmpeg-devel@ffmpeg.org > https://ffmpeg.org/mailman/listinfo/ffmpeg-devel > > To unsubscribe, visit link above, or email > ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".
LGTM not sure int limit number is ok for n_segments, but i have no better idea for that. uint64_t here is ok. Thanks _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".
