On Wed, Feb 09, 2022 at 01:55:31PM +0800, Steven Liu wrote: > 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.
will apply thx [...] -- Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB Why not whip the teacher when the pupil misbehaves? -- Diogenes of Sinope
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