| Message ID | 20240804142315.1430389-4-michael@niedermayer.cc |
|---|---|
| State | New |
| Headers | show |
| Series | [FFmpeg-devel,1/4] bsf/media100_to_mjpegb: Clear output buffer padding | expand |
| Context | Check | Description |
|---|---|---|
| yinshiyou/make_loongarch64 | success | Make finished |
| yinshiyou/make_fate_loongarch64 | success | Make fate finished |
| andriy/make_x86 | success | Make finished |
| andriy/make_fate_x86 | success | Make fate finished |
On Sun, Aug 04, 2024 at 04:23:15PM +0200, Michael Niedermayer wrote: > Fixes: use-of-uninitialized-value > Fixes: 70839/clusterfuzz-testcase-minimized-ffmpeg_dem_W64_fuzzer-5212907590189056 > > 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 | 3 +-- > 1 file changed, 1 insertion(+), 2 deletions(-) will apply [...]
diff --git a/libavformat/wavdec.c b/libavformat/wavdec.c index 00856a5eca2..78e37b88d75 100644 --- a/libavformat/wavdec.c +++ b/libavformat/wavdec.c @@ -874,8 +874,7 @@ static int w64_read_header(AVFormatContext *s) uint8_t guid[16]; int ret; - avio_read(pb, guid, 16); - if (memcmp(guid, ff_w64_guid_riff, 16)) + if (avio_read(pb, guid, 16) != 16 || memcmp(guid, ff_w64_guid_riff, 16)) return AVERROR_INVALIDDATA; /* riff + wave + fmt + sizes */
Fixes: use-of-uninitialized-value Fixes: 70839/clusterfuzz-testcase-minimized-ffmpeg_dem_W64_fuzzer-5212907590189056 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 | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-)