Message ID | 20210413154539.16739-2-michael@niedermayer.cc |
---|---|
State | Accepted |
Commit | 3344079d3065c99563c65277be89ec694a7ca818 |
Headers | show |
Series | [FFmpeg-devel,1/5] avcodec/dpx: Check bits_per_color earlier | expand |
Context | Check | Description |
---|---|---|
andriy/x86_make | success | Make finished |
andriy/x86_make_fate | success | Make fate finished |
andriy/PPC64_make | success | Make finished |
andriy/PPC64_make_fate | success | Make fate finished |
On Tue, Apr 13, 2021 at 05:45:36PM +0200, Michael Niedermayer wrote: > Fixes: shift exponent -4 is negative > Fixes: 32265/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_EXR_fuzzer-465133454137753 > > Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg > Signed-off-by: Michael Niedermayer <michael@niedermayer.cc> > --- > libavcodec/exr.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) will apply [...]
diff --git a/libavcodec/exr.c b/libavcodec/exr.c index 65e5203c31..49c4774145 100644 --- a/libavcodec/exr.c +++ b/libavcodec/exr.c @@ -418,7 +418,7 @@ static int huf_decode(VLC *vlc, GetByteContext *gb, int nbits, int run_sym, init_get_bits(&gbit, gb->buffer, nbits); while (get_bits_left(&gbit) > 0 && oe < no) { - uint16_t x = get_vlc2(&gbit, vlc->table, 12, 2); + uint16_t x = get_vlc2(&gbit, vlc->table, 12, 3); if (x == run_sym) { int run = get_bits(&gbit, 8);
Fixes: shift exponent -4 is negative Fixes: 32265/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_EXR_fuzzer-465133454137753 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <michael@niedermayer.cc> --- libavcodec/exr.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)