Fixes: signed integer overflow: -2147483634 - 16 cannot be represented in type 'int' Fixes: 28322/clusterfuzz-testcase-minimized-ffmpeg_dem_MOV_fuzzer-5711888402612224
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> --- libavformat/mov.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavformat/mov.c b/libavformat/mov.c index 710a15dea8..5d526a634d 100644 --- a/libavformat/mov.c +++ b/libavformat/mov.c @@ -402,7 +402,7 @@ retry: if (c->itunes_metadata && atom.size > 8) { int data_size = avio_rb32(pb); int tag = avio_rl32(pb); - if (tag == MKTAG('d','a','t','a') && data_size <= atom.size) { + if (tag == MKTAG('d','a','t','a') && data_size <= atom.size && data_size >= 16) { data_type = avio_rb32(pb); // type avio_rb32(pb); // unknown str_size = data_size - 16; -- 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".
