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09c6eb1f65
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> Acked-by: Michael Kerrisk <mtk.manpages@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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compat_mq.c | ||
compat.c | ||
ipc_sysctl.c | ||
ipcns_notifier.c | ||
Makefile | ||
mq_sysctl.c | ||
mqueue.c | ||
msg.c | ||
msgutil.c | ||
namespace.c | ||
sem.c | ||
shm.c | ||
syscall.c | ||
util.c | ||
util.h |