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| author | Elena Reshetova <elena.reshetova@intel.com> | 2017-09-08 16:17:42 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2017-09-08 18:26:51 -0700 |
| commit | f74370b86ec1e0ee8a56ba838efe78e21d8dba23 (patch) | |
| tree | 5ecda3120c2c13915cf8e1d2ee570062465479ef /ipc/util.c | |
| parent | a2e0602c36ed9fe042714694dd5a889ecd8cb556 (diff) | |
| download | linux-stable-f74370b86ec1e0ee8a56ba838efe78e21d8dba23.tar.gz linux-stable-f74370b86ec1e0ee8a56ba838efe78e21d8dba23.tar.bz2 linux-stable-f74370b86ec1e0ee8a56ba838efe78e21d8dba23.zip | |
ipc: convert sem_undo_list.refcnt from atomic_t to refcount_t
refcount_t type and corresponding API should be used instead of atomic_t
when the variable is used as a reference counter. This allows to avoid
accidental refcounter overflows that might lead to use-after-free
situations.
Link: http://lkml.kernel.org/r/1499417992-3238-3-git-send-email-elena.reshetova@intel.com
Signed-off-by: Elena Reshetova <elena.reshetova@intel.com>
Signed-off-by: Hans Liljestrand <ishkamiel@gmail.com>
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: David Windsor <dwindsor@gmail.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Alexey Dobriyan <adobriyan@gmail.com>
Cc: Serge Hallyn <serge@hallyn.com>
Cc: <arozansk@redhat.com>
Cc: Davidlohr Bueso <dave@stgolabs.net>
Cc: Manfred Spraul <manfred@colorfullife.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'ipc/util.c')
0 files changed, 0 insertions, 0 deletions