Fixes: signed integer overflow: 4611686016549392399 + 9223372033098784800 cannot be represented in type 'long long' Fixes: 368503277/clusterfuzz-testcase-minimized-ffmpeg_dem_MXF_fuzzer-5928227458056192
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> --- libavformat/mxfdec.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavformat/mxfdec.c b/libavformat/mxfdec.c index e5f59089ab4..147b6a17f68 100644 --- a/libavformat/mxfdec.c +++ b/libavformat/mxfdec.c @@ -3894,7 +3894,7 @@ static int mxf_get_next_track_edit_unit(MXFContext *mxf, MXFTrack *track, int64_ a = -1; b = track->original_duration; while (b - 1 > a) { - m = (a + b) >> 1; + m = (a + (uint64_t)b) >> 1; if (mxf_edit_unit_absolute_offset(mxf, t, m, track->edit_rate, NULL, &offset, NULL, 0) < 0) return -1; if (offset < current_offset) -- 2.47.0 _______________________________________________ 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".
