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authorLasse Collin <lasse.collin@tukaani.org>2009-01-26 13:06:49 +0200
committerLasse Collin <lasse.collin@tukaani.org>2009-01-26 13:06:49 +0200
commit1859d22d75e072463db74c25bc3f5a7992e5fdf6 (patch)
tree82b6ff0c9034b306b2a1165acab4b005a65ec113 /src
parentFix a dumb bug in Block decoder, which made it return (diff)
downloadxz-1859d22d75e072463db74c25bc3f5a7992e5fdf6.tar.xz
Tiny bit better sanity check in block_util.c
Diffstat (limited to '')
-rw-r--r--src/liblzma/common/block_util.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/liblzma/common/block_util.c b/src/liblzma/common/block_util.c
index 1dccacf4..fa25b9a0 100644
--- a/src/liblzma/common/block_util.c
+++ b/src/liblzma/common/block_util.c
@@ -58,7 +58,7 @@ lzma_block_unpadded_size(const lzma_block *block)
// NOTE: This function is used for validation too, so it is
// essential that these checks are always done even if
// Compressed Size is unknown.
- if (block->version != 0
+ if (block == NULL || block->version != 0
|| block->header_size < LZMA_BLOCK_HEADER_SIZE_MIN
|| block->header_size > LZMA_BLOCK_HEADER_SIZE_MAX
|| (block->header_size & 3)