tree 08f0dfe372ebb5db518de2e80c4fb1d7c81f70be
parent 8f9b54a35a70b604ebd2b2f2e7e04eabd0ff8a54
author Lasse Collin <lasse.collin@tukaani.org> 1294880481 -0800
committer Linus Torvalds <torvalds@linux-foundation.org> 1294934604 -0800

Decompressors: check input size in decompress_unlzo.c

The code assumes that the input is valid and not truncated.  Add checks to
avoid reading past the end of the input buffer.  Change the type of "skip"
from u8 to int to fix a possible integer overflow.

Signed-off-by: Lasse Collin <lasse.collin@tukaani.org>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Alain Knaff <alain@knaff.lu>
Cc: Albin Tonnerre <albin.tonnerre@free-electrons.com>
Cc: Phillip Lougher <phillip@lougher.demon.co.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>