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(parent: 2fd611a) | patch
uprobes: Fix overflow in vma_address()/find_active_uprobe()
authorOleg Nesterov <oleg@redhat.com>
Sun, 29 Jul 2012 18:22:33 +0000 (20:22 +0200)
committerIngo Molnar <mingo@kernel.org>
Mon, 30 Jul 2012 09:27:21 +0000 (11:27 +0200)
commitaefd8933d445abf7ff0d4027c624737898827bcd
treef32864bfa64158141326ac35bc57204e49b2774ftree | snapshot (tar.gz zip)
parent2fd611a991391a6050cbd139201a2e12fc306540commit | diff
uprobes: Fix overflow in vma_address()/find_active_uprobe()

vma->vm_pgoff is "unsigned long", it should be promoted to
loff_t before the multiplication to avoid the overflow.

Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Acked-by: Srikar Dronamraju <srikar.vnet.ibm.com>
Cc: Anton Arapov <anton@redhat.com>
Cc: Srikar Dronamraju <srikar@linux.vnet.ibm.com>
Link: http://lkml.kernel.org/r/20120729182233.GA20339@redhat.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
kernel/events/uprobes.c diff | blob | blame | history