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(parent: 8e8ca04) | patch
Decompressors: validate match distance in unlzma.c
authorLasse Collin <lasse.collin@tukaani.org>
Fri, 11 Nov 2011 13:34:24 +0000 (14:34 +0100)
committerLasse Collin <lasse.collin@tukaani.org>
Fri, 11 Nov 2011 13:34:24 +0000 (14:34 +0100)
commit24bde2170dde6ed1a4a3de7c96a019eb4dae9501
treed37da72c44a4bdb79c9fa915f4751f36ab8a7582tree | snapshot
parent8e8ca04c7bbee50d35582d4f2748d644ebc47086commit | diff
Decompressors: validate match distance in unlzma.c

From: Lasse Collin <lasse.collin@tukaani.org>

Validate the newly decoded distance (rep0) in process_bit1().  This is to
detect corrupt LZMA data quickly.  The old code can run for long time
producing garbage until it hits the end of the input.

Signed-off-by: Lasse Collin <lasse.collin@tukaani.org>
Signed-off-by: Jan Beulich <jbeulich@suse.com>
Acked-by: Keir Fraser <keir@xen.org>
Committed-by: Jan Beulich <jbeulich@suse.com>
xen/common/unlzma.c diff | blob | history
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