diff options
| author | Johannes Weiner <hannes@saeurebad.de> | 2008-04-28 17:15:47 +0000 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2008-05-01 14:44:38 -0700 |
| commit | de15f7b048a6fe9df998a4fd854a0ac9eb87b80f (patch) | |
| tree | 0add65fb2e4e05964fd2eece130e658b2258c07f /kernel | |
| parent | 35a398abdc1b5111b62bca9174bc5ccf973ab6dc (diff) | |
mm: fix possible off-by-one in walk_pte_range()
commit 556637cdabcd5918c7d4a1a2679b8f86fc81e891 upstream
After the loop in walk_pte_range() pte might point to the first address after
the pmd it walks. The pte_unmap() is then applied to something bad.
Spotted by Roel Kluin and Andreas Schwab.
Signed-off-by: Johannes Weiner <hannes@saeurebad.de>
Cc: Roel Kluin <12o3l@tiscali.nl>
Cc: Andreas Schwab <schwab@suse.de>
Acked-by: Matt Mackall <mpm@selenic.com>
Acked-by: Mikael Pettersson <mikpe@it.uu.se>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'kernel')
0 files changed, 0 insertions, 0 deletions