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| author | Eli Kobrin <kobrineli@ispras.ru> | 2023-08-02 15:14:10 +0300 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2023-08-02 17:31:13 +0200 |
| commit | 3e97d96e6f239894317fc6eb778b25ce67ce5451 (patch) | |
| tree | c34bc43a363649b6c9ce3696f92d9f28eb92eb4a | |
| parent | 0e9956a06e9307e01232bc354665fadf6f7a09df (diff) | |
| download | ffmpeg-3e97d96e6f239894317fc6eb778b25ce67ce5451.tar.gz | |
libswresample: Prevent out of bounds.
We've been fuzzing torchvision with [sydr-fuzz](https://github.com/ispras/oss-sydr-fuzz)
and found out of bounds error in ffmpeg project at audioconvert.c:151.
To prevent error we need to fix checks for in and out fmt in swr_init.
Signed-off-by: Eli Kobrin <kobrineli@ispras.ru>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
| -rw-r--r-- | libswresample/swresample.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/libswresample/swresample.c b/libswresample/swresample.c index 6dc329a9d0..fb3d7bccbf 100644 --- a/libswresample/swresample.c +++ b/libswresample/swresample.c @@ -196,11 +196,11 @@ av_cold int swr_init(struct SwrContext *s){ clear_context(s); - if(s-> in_sample_fmt >= AV_SAMPLE_FMT_NB){ + if((unsigned) s-> in_sample_fmt >= AV_SAMPLE_FMT_NB){ av_log(s, AV_LOG_ERROR, "Requested input sample format %d is invalid\n", s->in_sample_fmt); return AVERROR(EINVAL); } - if(s->out_sample_fmt >= AV_SAMPLE_FMT_NB){ + if((unsigned) s->out_sample_fmt >= AV_SAMPLE_FMT_NB){ av_log(s, AV_LOG_ERROR, "Requested output sample format %d is invalid\n", s->out_sample_fmt); return AVERROR(EINVAL); } |