Integer overflow in the invalidate_inode_pages2_range function in mm/truncate.c in Linux kernel 2.6.11 to 2.6.14 allows local users to cause a denial of service (hang) via 64-bit mmap calls that are not properly handled on a 32-bit system.
http://www.securityfocus.com/bid/15846
http://www.securityfocus.com/advisories/9852
http://www.novell.com/linux/security/advisories/2006_06_kernel.html
http://www.mandriva.com/security/advisories?name=MDKSA-2006:018
http://www.kernel.org/hg/linux-2.6/?cs=6d5ffbb49406
http://secunia.com/advisories/19038
http://secunia.com/advisories/18788
http://secunia.com/advisories/18203
http://seclists.org/lists/linux-kernel/2005/Nov/7839.html
http://lists.suse.de/archive/suse-security-announce/2006-Feb/0010.html