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Commit 5ba53ff6 authored by Oleg Nesterov's avatar Oleg Nesterov Committed by Linus Torvalds
Browse files

signals: sys_ssetmask() uses uninitialized newmask 



Commit 77097ae5 ("most of set_current_blocked() callers want
SIGKILL/SIGSTOP removed from set") removed the initialization of newmask
by accident, causing ltp to complain like this:

  ssetmask01    1  TFAIL  :  sgetmask() failed: TEST_ERRNO=???(0): Success

Restore the proper initialization.

Reported-and-tested-by: default avatarCAI Qian <caiqian@redhat.com>
Signed-off-by: default avatarOleg Nesterov <oleg@redhat.com>
Cc: stable@kernel.org	# v3.5+
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 5f243b9b

kernel/signal.c

+1 −0
Original line number Diff line number Diff line
@@ -3286,6 +3286,7 @@ SYSCALL_DEFINE1(ssetmask, int, newmask) 
	int old = current->blocked.sig[0];

	sigset_t newset;



	siginitset(&newset, newmask);

	set_current_blocked(&newset);



	return old;