Fixes: signed integer overflow: 4 * 740491135 cannot be represented in type 'int' Fixes: 51896/clusterfuzz-testcase-minimized-ffmpeg_dem_TTA_fuzzer-6298893367508992
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> --- libavformat/tta.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavformat/tta.c b/libavformat/tta.c index 21830459401..54776540142 100644 --- a/libavformat/tta.c +++ b/libavformat/tta.c @@ -91,7 +91,7 @@ static int tta_read_header(AVFormatContext *s) c->totalframes = nb_samples / c->frame_size + (c->last_frame_size < c->frame_size); c->currentframe = 0; - if(c->totalframes >= UINT_MAX/sizeof(uint32_t) || c->totalframes <= 0){ + if(c->totalframes >= (INT_MAX - 4)/sizeof(uint32_t) || c->totalframes <= 0){ av_log(s, AV_LOG_ERROR, "totalframes %d invalid\n", c->totalframes); return AVERROR_INVALIDDATA; } -- 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".
