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Ensure that cached struct thread does not keep spurious td_su

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reference on an UFS mount point.

Reported and tested by:	pho
Sponsored by:	The FreeBSD Foundation
MFC after:	1 week
This commit is contained in:
Konstantin Belousov 2017-06-03 14:12:17 +00:00
parent 2bdd2e7e61
commit a7ca2c6ad0
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=319518
1 changed files with 2 additions and 0 deletions
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2
sys/kern/kern_proc.c
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@ -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);