Fixes: signed integer overflow: -3 - 9223372036854775807 cannot be represented in type 'long' Fixes: 17828/clusterfuzz-testcase-minimized-ffmpeg_DEMUXER_fuzzer-5645915116797952
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> --- libavformat/pjsdec.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/libavformat/pjsdec.c b/libavformat/pjsdec.c index 50b1a48e4e..8a5cc04f84 100644 --- a/libavformat/pjsdec.c +++ b/libavformat/pjsdec.c @@ -55,6 +55,8 @@ static int64_t read_ts(char **line, int *duration) if (sscanf(*line, "%"SCNd64",%"SCNd64, &start, &end) == 2) { *line += strcspn(*line, "\""); *line += !!**line; + if (end < start || end - (uint64_t)start > INT_MAX) + return AV_NOPTS_VALUE; *duration = end - start; return start; } -- 2.23.0 _______________________________________________ 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".
