Fixes: signed integer overflow: 238 * 16843009 cannot be represented in type 'int' Fixes: 16958/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_SMACKER_fuzzer-5193905355620352
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> --- libavcodec/smacker.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavcodec/smacker.c b/libavcodec/smacker.c index c45137b7d5..a2950c455b 100644 --- a/libavcodec/smacker.c +++ b/libavcodec/smacker.c @@ -543,7 +543,7 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *got_frame, while(run-- && blk < blocks){ uint32_t col; out = smk->pic->data[0] + (blk / bw) * (stride * 4) + (blk % bw) * 4; - col = mode * 0x01010101; + col = mode * 0x01010101U; for(i = 0; i < 4; i++) { *((uint32_t*)out) = col; out += stride; -- 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".
