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(parent: 0ebd720) | patch
mm/mempolicy.c: fix error handling in set_mempolicy and mbind.
authorChris Salls <salls@cs.ucsb.edu>
Sat, 8 Apr 2017 06:48:11 +0000 (23:48 -0700)
committerBen Hutchings <ben@decadent.org.uk>
Mon, 5 Jun 2017 20:13:54 +0000 (21:13 +0100)
commit3f3b4a9db31af279e793229177b63ea201e24629
treeaa89660c629d11e106bee12118e4c8199dcd4dd7tree | snapshot
parent0ebd7208190d2f7b16fee3cea05665e212cebaabcommit | diff
mm/mempolicy.c: fix error handling in set_mempolicy and mbind.

commit cf01fb9985e8deb25ccf0ea54d916b8871ae0e62 upstream.

In the case that compat_get_bitmap fails we do not want to copy the
bitmap to the user as it will contain uninitialized stack data and leak
sensitive data.

Signed-off-by: Chris Salls <salls@cs.ucsb.edu>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
mm/mempolicy.c diff | blob | history
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