From: Oleg Nesterov Date: Sat, 5 Jan 2013 18:13:13 +0000 (+0100) Subject: signals: sys_ssetmask() uses uninitialized newmask X-Git-Tag: firefly_0821_release~3680^2~1307 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=5ba53ff648e785445a32ba39112ed07e4cf588d0;p=firefly-linux-kernel-4.4.55.git signals: sys_ssetmask() uses uninitialized newmask Commit 77097ae503b1 ("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: CAI Qian Signed-off-by: Oleg Nesterov Cc: stable@kernel.org # v3.5+ Signed-off-by: Linus Torvalds --- diff --git a/kernel/signal.c b/kernel/signal.c index 7aaa51d8e5b8..9692499c77cf 100644 --- a/kernel/signal.c +++ b/kernel/signal.c @@ -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;