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| author | Michael Niedermayer <michaelni@gmx.at> | 2012-10-14 22:00:04 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2012-10-14 22:16:31 +0200 |
| commit | 0de0ae5a20cf5c78a444449c531683b226810f5c (patch) | |
| tree | 7d32a0e87d4e1cb7e208a99910092ac301ff2bc9 | |
| parent | a6cac64f69bf526fe01840c0cd254436423e9e4b (diff) | |
| download | ffmpeg-0de0ae5a20cf5c78a444449c531683b226810f5c.tar.gz | |
tag_tree_decode: check node being non null
Fixes CID717843
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
| -rw-r--r-- | libavcodec/j2kdec.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/libavcodec/j2kdec.c b/libavcodec/j2kdec.c index b2624f9f62..c712eb30e0 100644 --- a/libavcodec/j2kdec.c +++ b/libavcodec/j2kdec.c @@ -167,6 +167,9 @@ static int tag_tree_decode(J2kDecoderContext *s, J2kTgtNode *node, int threshold J2kTgtNode *stack[30]; int sp = -1, curval = 0; + if(!node) + return AVERROR(EINVAL); + while(node && !node->vis){ stack[++sp] = node; node = node->parent; |