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| author | Michael Niedermayer <michael@niedermayer.cc> | 2019-10-27 23:26:52 +0100 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2019-12-31 19:51:56 +0100 |
| commit | 6be30c4f8efacfda07ff318ee406fae14ae6dea0 (patch) | |
| tree | e76915ad2317051e8c513b374270db3fb45d253c | |
| parent | 8f71cd980c5a9244a5c5b2186cbc1fac40876ac7 (diff) | |
| download | ffmpeg-6be30c4f8efacfda07ff318ee406fae14ae6dea0.tar.gz | |
avcodec/apedec: Only clear the needed buffer space, instead of all
Fixes: Timeout (15sec -> 0.4sec)
Fixes: 18396/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_APE_fuzzer-5730080487112704
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit f17ea0200178a4dae446a6bec2f68312f41714a0)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
| -rw-r--r-- | libavcodec/apedec.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libavcodec/apedec.c b/libavcodec/apedec.c index 9f1e8123b7..9409a4727d 100644 --- a/libavcodec/apedec.c +++ b/libavcodec/apedec.c @@ -1500,7 +1500,7 @@ static int ape_decode_frame(AVCodecContext *avctx, void *data, av_fast_malloc(&s->decoded_buffer, &s->decoded_size, decoded_buffer_size); if (!s->decoded_buffer) return AVERROR(ENOMEM); - memset(s->decoded_buffer, 0, s->decoded_size); + memset(s->decoded_buffer, 0, decoded_buffer_size); s->decoded[0] = s->decoded_buffer; s->decoded[1] = s->decoded_buffer + FFALIGN(blockstodecode, 8); |