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Avoid a null pointer dereference on oom when decoding smacker.

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Fixes ticket #2728.
This commit is contained in:
Carl Eugen Hoyos
2013-06-29 16:04:07 +02:00
parent a1dbe49d02
commit 90bd75e6eb
1 changed files with 2 additions and 0 deletions
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2
libavcodec/smacker.c
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@@ -261,6 +261,8 @@ static int smacker_decode_header_tree(SmackVContext *smk, GetBitContext *gb, int
huff.maxlength = 0; huff.maxlength = 0;
huff.current = 0; huff.current = 0;
huff.values = av_mallocz(huff.length * sizeof(int)); huff.values = av_mallocz(huff.length * sizeof(int));
if (!huff.values)
return AVERROR(ENOMEM);
if (smacker_decode_bigtree(gb, &huff, &ctx) < 0) if (smacker_decode_bigtree(gb, &huff, &ctx) < 0)
err = -1; err = -1;