diff options
| author | Michael Niedermayer <michael@niedermayer.cc> | 2019-11-30 16:46:46 +0100 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2019-12-28 11:20:48 +0100 |
| commit | bf5c850b795126d4f60dd9498c06f0492f5726a7 (patch) | |
| tree | 15c1772fe3a5e26a013498934ee3e45bd921994f /libavcodec/wma.h | |
| parent | f1b97f62f86d5dca35d01d7a5ebbc5dca2a88ae6 (diff) | |
avcodec/wmadec: Keep track of exponent initialization per channel
Fixes: division by 0
Fixes: 19123/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_WMAV2_fuzzer-5655493121146880
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Diffstat (limited to 'libavcodec/wma.h')
| -rw-r--r-- | libavcodec/wma.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libavcodec/wma.h b/libavcodec/wma.h index 8344cb5b93..c7fcf5047c 100644 --- a/libavcodec/wma.h +++ b/libavcodec/wma.h @@ -123,7 +123,7 @@ typedef struct WMACodecContext { uint8_t last_superframe[MAX_CODED_SUPERFRAME_SIZE + AV_INPUT_BUFFER_PADDING_SIZE]; /* padding added */ int last_bitoffset; int last_superframe_len; - int exponents_initialized; + int exponents_initialized[MAX_CHANNELS]; float noise_table[NOISE_TAB_SIZE]; int noise_index; float noise_mult; /* XXX: suppress that and integrate it in the noise array */ |