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liblzma: Add NULL check to lzma_index_hash_append. 

This is for consistency with lzma_index_append.
This commit is contained in:
Jia Tan 2022-08-17 20:20:16 +08:00 committed by Lasse Collin
parent db714d30e0
commit 2ac7bafc8f
1 changed files with 1 additions and 1 deletions
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2
src/liblzma/common/index_hash.c
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@ -145,7 +145,7 @@ lzma_index_hash_append(lzma_index_hash *index_hash, lzma_vli unpadded_size,
lzma_vli uncompressed_size)
{
// Validate the arguments.
if (index_hash->sequence != SEQ_BLOCK
if (index_hash == NULL || index_hash->sequence != SEQ_BLOCK
|| unpadded_size < UNPADDED_SIZE_MIN
|| unpadded_size > UNPADDED_SIZE_MAX
|| uncompressed_size > LZMA_VLI_MAX)