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| author | Alexey Gladkov <legion@kernel.org> | 2022-02-14 19:18:15 +0100 |
|---|---|---|
| committer | Eric W. Biederman <ebiederm@xmission.com> | 2022-03-08 20:39:40 +0100 |
| commit | 1f5c135ee509e89e0cc274333a65f73c62cb16e5 (patch) | |
| tree | 9a3b82b103e80cf59b387c87da6b75ba75cdfc1f /ipc/namespace.c | |
| parent | ipc: Store mqueue sysctls in the ipc namespace (diff) | |
| download | linux-1f5c135ee509e89e0cc274333a65f73c62cb16e5.tar.xz linux-1f5c135ee509e89e0cc274333a65f73c62cb16e5.zip | |
ipc: Store ipc sysctls in the ipc namespace
The ipc sysctls are not available for modification inside the user
namespace. Following the mqueue sysctls, we changed the implementation
to be more userns friendly.
So far, the changes do not provide additional access to files. This
will be done in a future patch.
Signed-off-by: Alexey Gladkov <legion@kernel.org>
Link: https://lkml.kernel.org/r/be6f9d014276f4dddd0c3aa05a86052856c1c555.1644862280.git.legion@kernel.org
Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
Diffstat (limited to 'ipc/namespace.c')
| -rw-r--r-- | ipc/namespace.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/ipc/namespace.c b/ipc/namespace.c index f760243ca685..754f3237194a 100644 --- a/ipc/namespace.c +++ b/ipc/namespace.c @@ -63,6 +63,9 @@ static struct ipc_namespace *create_ipc_ns(struct user_namespace *user_ns, if (!setup_mq_sysctls(ns)) goto fail_put; + if (!setup_ipc_sysctls(ns)) + goto fail_put; + sem_init_ns(ns); msg_init_ns(ns); shm_init_ns(ns); @@ -130,6 +133,7 @@ static void free_ipc_ns(struct ipc_namespace *ns) shm_exit_ns(ns); retire_mq_sysctls(ns); + retire_ipc_sysctls(ns); dec_ipc_namespaces(ns->ucounts); put_user_ns(ns->user_ns); |