squashfs: fix CVE-2012-4025
CQID:WIND00366813
Reference: http://squashfs.git.sourceforge.net/git/gitweb.cgi?
p=squashfs/squashfs;a=patch;h=
8515b3d420f502c5c0236b86e2d6d7e3b23c190e
Integer overflow in the queue_init function in unsquashfs.c in
unsquashfs in Squashfs 4.2 and earlier allows remote attackers
to execute arbitrary code via a crafted block_log field in the
superblock of a .sqsh file, leading to a heap-based buffer overflow.
http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2012-4025
Signed-off-by: yanjun.zhu <yanjun.zhu@windriver.com>
[YOCTO #3564]
Signed-off-by: Saul Wold <sgw@linux.intel.com>