Messages in this thread | | | From | Motohiro Kosaki <> | Date | Tue, 22 Apr 2014 13:16:11 -0700 | Subject | RE: [PATCH 2/4] ipc/shm.c: check for overflows of shm_tot |
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> > shm_tot counts the total number of pages used by shm segments. > > > > If SHMALL is ULONG_MAX (or nearly ULONG_MAX), then the number can > > overflow. Subsequent calls to shmctl(,SHM_INFO,) would return wrong > > values for shm_tot. > > > > The patch adds a detection for overflows. > > > > Signed-off-by: Manfred Spraul <manfred@colorfullife.com> > > Acked-by: Davidlohr Bueso <davidlohr@hp.com>
Acked-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
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