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liblzma: Set all values in lzma_lz_encoder to NULL after allocation. 

This is unlikely to be a bug in an existing application since it relies
on calling lzma_filters_update() on an LZMA1 encoder in the first place.
For instance, it does not affect xz because lzma_filters_update() can
only be used when encoding to the .xz format.

(based on commit 8191720eac)
This commit is contained in:
Lasse Collin 2024-05-07 19:56:46 +03:00
parent 176ae9073c
commit 74d36a57c5
1 changed files with 1 additions and 0 deletions
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src/liblzma/lz/lz_encoder.c
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@ -548,6 +548,7 @@ lzma_lz_encoder_init(lzma_next_coder *next, const lzma_allocator *allocator,
coder->lz.coder = NULL;
coder->lz.code = NULL;
coder->lz.end = NULL;
coder->lz.options_update = NULL;
// mf.size is initialized to silence Valgrind
// when used on optimized binaries (GCC may reorder