Author: kib
Date: Sat Jun 3 14:12:17 2017
New Revision: 319518
URL: https://svnweb.freebsd.org/changeset/base/319518
Log:
Ensure that cached struct thread does not keep spurious td_su
reference on an UFS mount point.
Reported and tested by: pho
Sponsored by: The FreeBSD Foundation
MFC after: 1 week
Modified:
head/sys/kern/kern_proc.c
Modified: head/sys/kern/kern_proc.c
==============================================================================
--- head/sys/kern/kern_proc.c Sat Jun 3 14:10:09 2017 (r319517)
+++ head/sys/kern/kern_proc.c Sat Jun 3 14:12:17 2017 (r319518)
@@ -226,6 +226,8 @@ proc_dtor(void *mem, int size, void *arg)
#endif
/* Free all OSD associated to this thread. */
osd_thread_exit(td);
+ td_softdep_cleanup(td);
+ MPASS(td->td_su == NULL);
/* Make sure all thread destructors are executed */
EVENTHANDLER_INVOKE(thread_dtor, td);
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