Date: Sun, 18 Aug 2013 13:27:04 +0000 (UTC) From: Jilles Tjoelker <jilles@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r254489 - head/sys/kern Message-ID: <201308181327.r7IDR4Xg051791@svn.freebsd.org>
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Author: jilles Date: Sun Aug 18 13:27:04 2013 New Revision: 254489 URL: http://svnweb.freebsd.org/changeset/base/254489 Log: Disallow opening a POSIX message queue for execute. O_EXEC was formerly ignored, so equivalent to O_RDONLY. Reject O_EXEC with [EINVAL] like the invalid mode 3. Modified: head/sys/kern/uipc_mqueue.c Modified: head/sys/kern/uipc_mqueue.c ============================================================================== --- head/sys/kern/uipc_mqueue.c Sun Aug 18 13:25:18 2013 (r254488) +++ head/sys/kern/uipc_mqueue.c Sun Aug 18 13:27:04 2013 (r254489) @@ -2046,7 +2046,7 @@ sys_kmq_open(struct thread *td, struct k struct mq_attr attr; int flags, error; - if ((uap->flags & O_ACCMODE) == O_ACCMODE) + if ((uap->flags & O_ACCMODE) == O_ACCMODE || uap->flags & O_EXEC) return (EINVAL); flags = FFLAGS(uap->flags); if ((flags & O_CREAT) != 0 && uap->attr != NULL) { @@ -2682,7 +2682,7 @@ freebsd32_kmq_open(struct thread *td, st struct mq_attr32 attr32; int flags, error; - if ((uap->flags & O_ACCMODE) == O_ACCMODE) + if ((uap->flags & O_ACCMODE) == O_ACCMODE || uap->flags & O_EXEC) return (EINVAL); flags = FFLAGS(uap->flags); if ((flags & O_CREAT) != 0 && uap->attr != NULL) {
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