Re: [FFmpeg-devel] [PATCH 1/2] avformat/wavdec: Fix overflow of intermediate in block_align check

On Fri, Feb 07, 2025 at 12:23:12PM +0100, Michael Niedermayer wrote:

Fixes: signed integer overflow: -251517880 * 32 cannot be represented in type 'int' Fixes: 385224934/clusterfuzz-testcase-minimized-ffmpeg_dem_W64_fuzzer-4909298151915520

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <michael@niedermayer.cc> --- libavformat/wavdec.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)

will apply patchset [...] -- Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB Never trust a computer, one day, it may think you are the virus. -- Compn