Date: Thu, 22 Jan 2015 09:07:03 +0000 (UTC) From: Konstantin Belousov <kib@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-10@freebsd.org Subject: svn commit: r277526 - stable/10/sys/kern Message-ID: <201501220907.t0M973r7068396@svn.freebsd.org>
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Author: kib Date: Thu Jan 22 09:07:02 2015 New Revision: 277526 URL: https://svnweb.freebsd.org/changeset/base/277526 Log: MFC r277236: For sigaction(2), ignore possible garbage in sa_flags for sa_handler == SIG_DFL or SIG_IGN. Modified: stable/10/sys/kern/kern_sig.c Directory Properties: stable/10/ (props changed) Modified: stable/10/sys/kern/kern_sig.c ============================================================================== --- stable/10/sys/kern/kern_sig.c Thu Jan 22 09:02:58 2015 (r277525) +++ stable/10/sys/kern/kern_sig.c Thu Jan 22 09:07:02 2015 (r277526) @@ -658,9 +658,10 @@ kern_sigaction(td, sig, act, oact, flags if (!_SIG_VALID(sig)) return (EINVAL); - if (act != NULL && (act->sa_flags & ~(SA_ONSTACK | SA_RESTART | - SA_RESETHAND | SA_NOCLDSTOP | SA_NODEFER | SA_NOCLDWAIT | - SA_SIGINFO)) != 0) + if (act != NULL && act->sa_handler != SIG_DFL && + act->sa_handler != SIG_IGN && (act->sa_flags & ~(SA_ONSTACK | + SA_RESTART | SA_RESETHAND | SA_NOCLDSTOP | SA_NODEFER | + SA_NOCLDWAIT | SA_SIGINFO)) != 0) return (EINVAL); PROC_LOCK(p);
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