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cred: add more asserts for td_realucred == td_ucred

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This commit is contained in:
Mateusz Guzik 2020-08-01 16:02:32 +00:00
parent acdc915461
commit 936c24faba
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=363767
2 changed files with 4 additions and 1 deletions
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4
sys/kern/kern_prot.c
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@ -1881,7 +1881,8 @@ crunuse(struct thread *td)
{ {
struct ucred *cr, *crold; struct ucred *cr, *crold;
cr = td->td_ucred; MPASS(td->td_realucred == td->td_ucred);
cr = td->td_realucred;
mtx_lock(&cr->cr_mtx); mtx_lock(&cr->cr_mtx);
cr->cr_ref += td->td_ucredref; cr->cr_ref += td->td_ucredref;
td->td_ucredref = 0; td->td_ucredref = 0;
@ -1897,6 +1898,7 @@ crunuse(struct thread *td)
crold = NULL; crold = NULL;
} }
mtx_unlock(&cr->cr_mtx); mtx_unlock(&cr->cr_mtx);
td->td_realucred = NULL;
return (crold); return (crold);
} }

1
sys/kern/kern_thread.c
View File

@ -543,6 +543,7 @@ thread_exit(void)
(long)p->p_pid, td->td_name); (long)p->p_pid, td->td_name);
SDT_PROBE0(proc, , , lwp__exit); SDT_PROBE0(proc, , , lwp__exit);
KASSERT(TAILQ_EMPTY(&td->td_sigqueue.sq_list), ("signal pending")); KASSERT(TAILQ_EMPTY(&td->td_sigqueue.sq_list), ("signal pending"));
MPASS(td->td_realucred == td->td_ucred);
/* /*
* drop FPU & debug register state storage, or any other * drop FPU & debug register state storage, or any other