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| author | Michael Niedermayer <michael@niedermayer.cc> | 2020-09-24 22:20:39 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2021-10-09 22:02:19 +0200 |
| commit | 7abc2f9fea4ac741bdd685c9f6c20a8353ad5153 (patch) | |
| tree | f40613307f93dde34e6bf4f8629c840304fe3a55 | |
| parent | d23e7ce02a0474ac6025e2b30e9a898f8a66eaec (diff) | |
| download | ffmpeg-7abc2f9fea4ac741bdd685c9f6c20a8353ad5153.tar.gz | |
avcodec/sonic: Check channels before deallocating
Fixes: heap-buffer-overflow
Fixes: 25744/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_SONIC_fuzzer-5172961169113088
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Reviewed-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit f249981976b18438cfb646183d4c21fb051e1ad4)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
| -rw-r--r-- | libavcodec/sonic.c | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/libavcodec/sonic.c b/libavcodec/sonic.c index f1bc3409bf..ad1552a434 100644 --- a/libavcodec/sonic.c +++ b/libavcodec/sonic.c @@ -980,9 +980,7 @@ static av_cold int sonic_decode_close(AVCodecContext *avctx) av_freep(&s->int_samples); av_freep(&s->tap_quant); av_freep(&s->predictor_k); - - for (i = 0; i < s->channels; i++) - { + for (i = 0; i < MAX_CHANNELS; i++) { av_freep(&s->predictor_state[i]); av_freep(&s->coded_samples[i]); } |