Date: Tue, 27 Nov 2018 16:57:59 +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-12@freebsd.org Subject: svn commit: r341077 - stable/12/sys/kern Message-ID: <201811271657.wARGvx6p045493@repo.freebsd.org>
next in thread | raw e-mail | index | archive | help
Author: markj Date: Tue Nov 27 16:57:59 2018 New Revision: 341077 URL: https://svnweb.freebsd.org/changeset/base/341077 Log: MFC r340897: Lock the knlist before releasing the in-flux state in knote_fork(). PR: 228858 Modified: stable/12/sys/kern/kern_event.c Directory Properties: stable/12/ (props changed) Modified: stable/12/sys/kern/kern_event.c ============================================================================== --- stable/12/sys/kern/kern_event.c Tue Nov 27 16:55:24 2018 (r341076) +++ stable/12/sys/kern/kern_event.c Tue Nov 27 16:57:59 2018 (r341077) @@ -603,10 +603,10 @@ 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_leave_flux(kn); KQ_UNLOCK_FLUX(kq); - list->kl_lock(list->kl_lockarg); } list->kl_unlock(list->kl_lockarg); }
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?201811271657.wARGvx6p045493>