From 1859d22d75e072463db74c25bc3f5a7992e5fdf6 Mon Sep 17 00:00:00 2001 From: Lasse Collin Date: Mon, 26 Jan 2009 13:06:49 +0200 Subject: [PATCH] Tiny bit better sanity check in block_util.c --- src/liblzma/common/block_util.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) 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)