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| author | Michael Niedermayer <michael@niedermayer.cc> | 2015-11-28 20:08:46 +0100 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2015-12-06 02:51:27 +0100 |
| commit | 7372b42b184d8c90f82dbb21695bbfe2e7e4ac03 (patch) | |
| tree | e60e501801d1afbcf64bf835b23a8119da8659c6 | |
| parent | fe89682d7c61fde1b121209da6ebc7aa27449590 (diff) | |
| download | ffmpeg-7372b42b184d8c90f82dbb21695bbfe2e7e4ac03.tar.gz | |
avcodec/utils: Clear dimensions in ff_get_buffer() on failure
Fixes out of array access
Fixes: 482d8f2fd17c9f532b586458a33f267c/asan_heap-oob_4a52b6_7417_1d08d477736d66cdadd833d146bb8bae.mov
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit abee0a1c60612e8638640a8a3738fffb65e16dbf)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
| -rw-r--r-- | libavcodec/utils.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/libavcodec/utils.c b/libavcodec/utils.c index 2037667bc4..892ddb911c 100644 --- a/libavcodec/utils.c +++ b/libavcodec/utils.c @@ -1040,8 +1040,10 @@ end: int ff_get_buffer(AVCodecContext *avctx, AVFrame *frame, int flags) { int ret = get_buffer_internal(avctx, frame, flags); - if (ret < 0) + if (ret < 0) { av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n"); + frame->width = frame->height = 0; + } return ret; } |