From: Michael Niedermayer <[email protected]>
Signed-off-by: Luca Barbato <[email protected]>
---
libavcodec/jpeg2kdec.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/libavcodec/jpeg2kdec.c b/libavcodec/jpeg2kdec.c
index 3306e3d..211a484 100644
--- a/libavcodec/jpeg2kdec.c
+++ b/libavcodec/jpeg2kdec.c
@@ -119,6 +119,9 @@ static int tag_tree_decode(Jpeg2KDecoderContext *s,
Jpeg2KTgtNode *node,
Jpeg2KTgtNode *stack[30];
int sp = -1, curval = 0;
+ if (!node)
+ return AVERROR_INVALIDDATA;
+
while (node && !node->vis) {
stack[++sp] = node;
node = node->parent;
--
1.7.9.5
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