Date: Tue, 27 Nov 2018 16:59:13 +0000 (UTC) From: Mark Johnston <markj@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-11@freebsd.org Subject: svn commit: r341078 - stable/11/sys/kern Message-ID: <201811271659.wARGxD64045613@repo.freebsd.org>
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Author: markj Date: Tue Nov 27 16:59:12 2018 New Revision: 341078 URL: https://svnweb.freebsd.org/changeset/base/341078 Log: MFC r340897: Lock the knlist before releasing the in-flux state in knote_fork(). PR: 228858 Modified: stable/11/sys/kern/kern_event.c Directory Properties: stable/11/ (props changed) Modified: stable/11/sys/kern/kern_event.c ============================================================================== --- stable/11/sys/kern/kern_event.c Tue Nov 27 16:57:59 2018 (r341077) +++ stable/11/sys/kern/kern_event.c Tue Nov 27 16:59:12 2018 (r341078) @@ -566,10 +566,10 @@ knote_fork(struct knlist *list, int pid) kn->kn_fflags |= NOTE_TRACKERR; if (kn->kn_fop->f_event(kn, NOTE_FORK)) KNOTE_ACTIVATE(kn, 0); + list->kl_lock(list->kl_lockarg); KQ_LOCK(kq); kn->kn_status &= ~KN_INFLUX; KQ_UNLOCK_FLUX(kq); - list->kl_lock(list->kl_lockarg); } list->kl_unlock(list->kl_lockarg); }
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