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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 <caiqian@redhat.com> Signed-off-by: Oleg Nesterov <oleg@redhat.com> Cc: stable@kernel.org # v3.5+ Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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@ -3286,6 +3286,7 @@ SYSCALL_DEFINE1(ssetmask, int, newmask)
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int old = current->blocked.sig[0];
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sigset_t newset;
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siginitset(&newset, newmask);
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set_current_blocked(&newset);
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return old;
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