Date: Fri, 29 Aug 2014 08:33:33 +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: r270787 - stable/10/sys/kern Message-ID: <201408290833.s7T8XX65013499@svn.freebsd.org>
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Author: kib Date: Fri Aug 29 08:33:32 2014 New Revision: 270787 URL: http://svnweb.freebsd.org/changeset/base/270787 Log: MFC r270320: Check the validity of struct sigaction sa_flags value, reject unknown flags. 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 Fri Aug 29 08:20:03 2014 (r270786) +++ stable/10/sys/kern/kern_sig.c Fri Aug 29 08:33:32 2014 (r270787) @@ -644,6 +644,10 @@ 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) + return (EINVAL); PROC_LOCK(p); ps = p->p_sigacts;
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