tree c293d0826ee582a64c3af690ec92fb2c10a4f127
parent 425fffd886bae3d127a08fa6a17f2e31e24ed7ff
author Chris Salls <salls@cs.ucsb.edu> 1491634091 -0700
committer Linus Torvalds <torvalds@linux-foundation.org> 1491674275 -0700

mm/mempolicy.c: fix error handling in set_mempolicy and mbind.

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>