Fixes: runtime error: left shift of negative value -127 Fixes: 2834/clusterfuzz-testcase-minimized-5988039123795968
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> --- libavcodec/ffv1dec_template.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavcodec/ffv1dec_template.c b/libavcodec/ffv1dec_template.c index 61cdc90116..d41d807e64 100644 --- a/libavcodec/ffv1dec_template.c +++ b/libavcodec/ffv1dec_template.c @@ -149,7 +149,7 @@ static void RENAME(decode_rgb_frame)(FFV1Context *s, uint8_t *src[3], int w, int } if (lbd) - *((uint32_t*)(src[0] + x*4 + stride[0]*y)) = b + (g<<8) + (r<<16) + (a<<24); + *((uint32_t*)(src[0] + x*4 + stride[0]*y)) = b + ((unsigned)g<<8) + ((unsigned)r<<16) + ((unsigned)a<<24); else if (sizeof(TYPE) == 4) { *((uint16_t*)(src[0] + x*2 + stride[0]*y)) = g; *((uint16_t*)(src[1] + x*2 + stride[1]*y)) = b; -- 2.13.0 _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-devel
