Fixes: runtime error: signed integer overflow: 2147483646 + 2048 cannot be represented in type 'int' Fixes: 4479/clusterfuzz-testcase-minimized-6529894147162112
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> --- libavcodec/diracdsp.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/libavcodec/diracdsp.c b/libavcodec/diracdsp.c index 8bc79b788c..2dd56f83f3 100644 --- a/libavcodec/diracdsp.c +++ b/libavcodec/diracdsp.c @@ -159,10 +159,10 @@ static void put_signed_rect_clamped_ ## PX ## bit_c(uint8_t *_dst, int dst_strid int32_t *src = (int32_t *)_src; \ for (y = 0; y < height; y++) { \ for (x = 0; x < width; x+=4) { \ - dst[x ] = av_clip_uintp2(src[x ] + (1 << (PX - 1)), PX); \ - dst[x+1] = av_clip_uintp2(src[x+1] + (1 << (PX - 1)), PX); \ - dst[x+2] = av_clip_uintp2(src[x+2] + (1 << (PX - 1)), PX); \ - dst[x+3] = av_clip_uintp2(src[x+3] + (1 << (PX - 1)), PX); \ + dst[x ] = av_clip_uintp2(src[x ] + (1U << (PX - 1)), PX); \ + dst[x+1] = av_clip_uintp2(src[x+1] + (1U << (PX - 1)), PX); \ + dst[x+2] = av_clip_uintp2(src[x+2] + (1U << (PX - 1)), PX); \ + dst[x+3] = av_clip_uintp2(src[x+3] + (1U << (PX - 1)), PX); \ } \ dst += dst_stride >> 1; \ src += src_stride >> 2; \ -- 2.15.0 _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-devel
