Fixes: runtime error: signed integer overflow Fixes: 42536949/clusterfuzz-testcase-minimized-fuzzer_loadfile-6199846684393472 Found-by: ossfuzz Reported-by: Kacper Michajlow Tested-by: Kacper Michajlow Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> --- libavformat/icodec.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/libavformat/icodec.c b/libavformat/icodec.c index afd0c71b1f9..b09d0060a65 100644 --- a/libavformat/icodec.c +++ b/libavformat/icodec.c @@ -198,7 +198,7 @@ static int read_packet(AVFormatContext *s, AVPacket *pkt) AV_WL32(buf + 32, image->nb_pal); } - if (image->nb_pal > INT_MAX / 4 - 14 - 40) + if (image->nb_pal > INT_MAX / 4 - 14 - 40U) return AVERROR_INVALIDDATA; AV_WL32(buf - 4, 14 + 40 + image->nb_pal * 4); -- 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".