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| author | Alexey Gladkov <legion@kernel.org> | 2022-05-03 15:39:54 +0200 |
|---|---|---|
| committer | Eric W. Biederman <ebiederm@xmission.com> | 2022-05-03 17:25:58 -0500 |
| commit | def7343ff03bbb36ce7a34dcb19cab599f0da446 (patch) | |
| tree | 8062c83e408b4a3a215104a3fd15271fd2ee0441 /ipc/ipc_sysctl.c | |
| parent | 1f5c135ee509e89e0cc274333a65f73c62cb16e5 (diff) | |
| download | lwn-def7343ff03bbb36ce7a34dcb19cab599f0da446.tar.gz lwn-def7343ff03bbb36ce7a34dcb19cab599f0da446.zip | |
ipc: Use the same namespace to modify and validate
In the 1f5c135ee509 ("ipc: Store ipc sysctls in the ipc namespace") I
missed that in addition to the modification of sem_ctls[3], the change
is validated. This validation must occur in the same namespace.
Link: https://lore.kernel.org/lkml/875ymnvryb.fsf@email.froward.int.ebiederm.org/
Fixes: 1f5c135ee509 ("ipc: Store ipc sysctls in the ipc namespace")
Signed-off-by: Alexey Gladkov <legion@kernel.org>
Link: https://lkml.kernel.org/r/b3cb9a25cce6becbef77186bc1216071a08a969b.1651584847.git.legion@kernel.org
Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
Diffstat (limited to 'ipc/ipc_sysctl.c')
| -rw-r--r-- | ipc/ipc_sysctl.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/ipc/ipc_sysctl.c b/ipc/ipc_sysctl.c index 15210ac47e9e..d1d5204cf589 100644 --- a/ipc/ipc_sysctl.c +++ b/ipc/ipc_sysctl.c @@ -68,7 +68,7 @@ static int proc_ipc_sem_dointvec(struct ctl_table *table, int write, ret = proc_dointvec(table, write, buffer, lenp, ppos); if (!ret) - ret = sem_check_semmni(current->nsproxy->ipc_ns); + ret = sem_check_semmni(ns); /* * Reset the semmni value if an error happens. |