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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