Fixes: 4035/clusterfuzz-testcase-minimized-6479308925173760 Fixes: runtime error: signed integer overflow: 9 * 402653183 cannot be represented in type 'int'
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> --- libavcodec/dirac_dwt.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavcodec/dirac_dwt.h b/libavcodec/dirac_dwt.h index 35ed8857e9..f9a9e9e1b3 100644 --- a/libavcodec/dirac_dwt.h +++ b/libavcodec/dirac_dwt.h @@ -102,7 +102,7 @@ void ff_spatial_idwt_slice2(DWTContext *d, int y); (b2 + ((int)(-b0 + 9U*b1 + 9U*b3 - b4 + 8) >> 4)) #define COMPOSE_DD137iL0(b0, b1, b2, b3, b4)\ - (b2 - ((-b0 + 9*b1 + 9*b3 - b4 + 16) >> 5)) + (b2 - ((int)(-b0 + 9U*b1 + 9U*b3 - b4 + 16) >> 5)) #define COMPOSE_HAARiL0(b0, b1)\ (b0 - ((b1 + 1) >> 1)) -- 2.15.0 _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-devel