Date: Sun, 14 Feb 2010 13:59:01 +0000 (UTC) From: Konstantin Belousov <kib@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r203875 - head/sys/kern Message-ID: <201002141359.o1EDx16a090185@svn.freebsd.org>
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Author: kib Date: Sun Feb 14 13:59:01 2010 New Revision: 203875 URL: http://svn.freebsd.org/changeset/base/203875 Log: Do not leak process lock when current thread is not allowed to see target. Bumped into by: ed MFC after: 3 days Modified: head/sys/kern/kern_event.c Modified: head/sys/kern/kern_event.c ============================================================================== --- head/sys/kern/kern_event.c Sun Feb 14 12:31:28 2010 (r203874) +++ head/sys/kern/kern_event.c Sun Feb 14 13:59:01 2010 (r203875) @@ -349,8 +349,10 @@ filt_procattach(struct knote *kn) if (p == NULL) return (ESRCH); - if ((error = p_cansee(curthread, p))) + if ((error = p_cansee(curthread, p))) { + PROC_UNLOCK(p); return (error); + } kn->kn_ptr.p_proc = p; kn->kn_flags |= EV_CLEAR; /* automatically set */
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