Fixes: runtime error: signed integer overflow: 11 * 225726413 cannot be represented in type 'int' Fixes: 2764/clusterfuzz-testcase-minimized-5382561922547712
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 | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavcodec/diracdsp.c b/libavcodec/diracdsp.c index cd1209e209..8bc79b788c 100644 --- a/libavcodec/diracdsp.c +++ b/libavcodec/diracdsp.c @@ -199,7 +199,7 @@ static void dequant_subband_ ## PX ## _c(uint8_t *src, uint8_t *dst, ptrdiff_t s for (i = 0; i < tot_h; i++) { \ c = *src_r++; \ sign = FFSIGN(c)*(!!c); \ - c = (FFABS(c)*qf + qs) >> 2; \ + c = (FFABS(c)*(unsigned)qf + qs) >> 2; \ *dst_r++ = c*sign; \ } \ src += tot_h << (sizeof(PX) >> 1); \ -- 2.13.0 _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-devel
