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Commit aba1be2f authored by Eric W. Biederman's avatar Eric W. Biederman
Browse files

signal: Ensure no siginfo union member increases the size of struct siginfo 



Signed-off-by: default avatar"Eric W. Biederman" <ebiederm@xmission.com>
parent 75c0abb8

kernel/signal.c

+1 −0
Original line number Original line Diff line number Diff line
@@ -3688,6 +3688,7 @@ void __init signals_init(void) 
	/* If this check fails, the __ARCH_SI_PREAMBLE_SIZE value is wrong! */

	/* If this check fails, the __ARCH_SI_PREAMBLE_SIZE value is wrong! */

	BUILD_BUG_ON(__ARCH_SI_PREAMBLE_SIZE

	BUILD_BUG_ON(__ARCH_SI_PREAMBLE_SIZE

		!= offsetof(struct siginfo, _sifields._pad));

		!= offsetof(struct siginfo, _sifields._pad));

	BUILD_BUG_ON(sizeof(struct siginfo) != SI_MAX_SIZE);





	sigqueue_cachep = KMEM_CACHE(sigqueue, SLAB_PANIC);

	sigqueue_cachep = KMEM_CACHE(sigqueue, SLAB_PANIC);

}

}