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

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commit cf01fb9985 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: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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Chris Salls 2017-04-07 23:48:11 -07:00 • committed by Greg Kroah-Hartman

parent 24317cb6b4

commit cddab768d1

1 changed files with 8 additions and 12 deletions

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mm/mempolicy.c

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