Fixes: signed integer overflow: 18 + 9223372036854775799 cannot be represented in type 'long' Fixes: 26731/clusterfuzz-testcase-minimized-ffmpeg_dem_MOV_fuzzer-5696846019952640
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <[email protected]> --- libavformat/mov.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavformat/mov.c b/libavformat/mov.c index c8a38ec4df..8a66fb9674 100644 --- a/libavformat/mov.c +++ b/libavformat/mov.c @@ -4385,7 +4385,7 @@ static int mov_read_keys(MOVContext *c, AVIOContext *pb, MOVAtom atom) static int mov_read_custom(MOVContext *c, AVIOContext *pb, MOVAtom atom) { - int64_t end = avio_tell(pb) + atom.size; + int64_t end = av_sat_add64(avio_tell(pb), atom.size); uint8_t *key = NULL, *val = NULL, *mean = NULL; int i; int ret = 0; -- 2.17.1 _______________________________________________ ffmpeg-devel mailing list [email protected] https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email [email protected] with subject "unsubscribe".
