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(parent: baf2341) | patch
dm crypt: use memzero_explicit for on-stack buffer
authorMilan Broz <gmazyland@gmail.com>
Sat, 22 Nov 2014 08:36:04 +0000 (09:36 +0100)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 8 Jan 2015 18:00:48 +0000 (10:00 -0800)
commita6e37a9dcf822402ad1f9afc5a7bca0c98a486a1
tree31485afb60f479140ce3595035beec5a492dbac8tree | snapshot
parentbaf2341be09f2d2782cf0e0242efa3868fc450afcommit | diff
dm crypt: use memzero_explicit for on-stack buffer

commit 1a71d6ffe18c0d0f03fc8531949cc8ed41d702ee upstream.

Use memzero_explicit to cleanup sensitive data allocated on stack
to prevent the compiler from optimizing and removing memset() calls.

Signed-off-by: Milan Broz <gmazyland@gmail.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/md/dm-crypt.c diff | blob | history
Domain: System / Kernel;