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| author | trasz <trasz@FreeBSD.org> | 2011-04-06 16:59:54 +0000 |
|---|---|---|
| committer | trasz <trasz@FreeBSD.org> | 2011-04-06 16:59:54 +0000 |
| commit | d6f4192036c8ed6ef963cdb7793404025756ab06 (patch) | |
| tree | 1bb412523ffd3b85f320c30f0d19d8cd22bd8c98 /sys/kern/sysv_sem.c | |
| parent | 440cd5face8a8098f95d7e1a290efcde8e22adcd (diff) | |
| download | FreeBSD-src-d6f4192036c8ed6ef963cdb7793404025756ab06.zip FreeBSD-src-d6f4192036c8ed6ef963cdb7793404025756ab06.tar.gz | |
Add ucred pointer to the SysV-related memory structures. This is required
for racct.
Note that after this commit, ipcs(1) needs to be rebuilt. Otherwise, it will
fail with "ipcs: sysctlbyname: kern.ipc.msqids: Cannot allocate memory".
Sponsored by: The FreeBSD Foundation
Reviewed by: kib (earlier version)
Diffstat (limited to 'sys/kern/sysv_sem.c')
| -rw-r--r-- | sys/kern/sysv_sem.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/sys/kern/sysv_sem.c b/sys/kern/sysv_sem.c index d51fbee..04284cc 100644 --- a/sys/kern/sysv_sem.c +++ b/sys/kern/sysv_sem.c @@ -656,6 +656,8 @@ kern_semctl(struct thread *td, int semid, int semnum, int cmd, semakptr->u.sem_perm.cuid = cred->cr_uid; semakptr->u.sem_perm.uid = cred->cr_uid; semakptr->u.sem_perm.mode = 0; + crfree(semakptr->cred); + semakptr->cred = NULL; SEMUNDO_LOCK(); semundo_clear(semidx, -1); SEMUNDO_UNLOCK(); @@ -937,6 +939,8 @@ semget(struct thread *td, struct semget_args *uap) sema[semid].u.sem_perm.cgid = cred->cr_gid; sema[semid].u.sem_perm.gid = cred->cr_gid; sema[semid].u.sem_perm.mode = (semflg & 0777) | SEM_ALLOC; + crhold(cred); + sema[semid].cred = cred; sema[semid].u.sem_perm.seq = (sema[semid].u.sem_perm.seq + 1) & 0x7fff; sema[semid].u.sem_nsems = nsems; |
