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| author | Christian Brauner <brauner@kernel.org> | 2025-10-29 13:20:19 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2025-12-18 14:02:46 +0100 |
| commit | d41ba8c6f667c76fb9592748d5e0c7224183d6c1 (patch) | |
| tree | 18cd951c3db8e6555c1fb5615e60fed287b449c0 /kernel | |
| parent | e620258d7d5ee5b9fe35e6e4932b6b73aae385cf (diff) | |
| download | linux-d41ba8c6f667c76fb9592748d5e0c7224183d6c1.tar.gz linux-d41ba8c6f667c76fb9592748d5e0c7224183d6c1.tar.bz2 linux-d41ba8c6f667c76fb9592748d5e0c7224183d6c1.zip | |
cgroup: add cgroup namespace to tree after owner is set
[ Upstream commit 768b1565d9d1e1eebf7567f477f7f46c05a98a4d ]
Otherwise we trip VFS_WARN_ON_ONC() in __ns_tree_add_raw().
Link: https://patch.msgid.link/20251029-work-namespace-nstree-listns-v4-6-2e6f823ebdc0@kernel.org
Fixes: 7c6059398533 ("cgroup: support ns lookup")
Tested-by: syzbot@syzkaller.appspotmail.com
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Christian Brauner <brauner@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/cgroup/namespace.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/cgroup/namespace.c b/kernel/cgroup/namespace.c index fdbe57578e68..db9617556dd7 100644 --- a/kernel/cgroup/namespace.c +++ b/kernel/cgroup/namespace.c @@ -30,7 +30,6 @@ static struct cgroup_namespace *alloc_cgroup_ns(void) ret = ns_common_init(new_ns); if (ret) return ERR_PTR(ret); - ns_tree_add(new_ns); return no_free_ptr(new_ns); } @@ -86,6 +85,7 @@ struct cgroup_namespace *copy_cgroup_ns(u64 flags, new_ns->ucounts = ucounts; new_ns->root_cset = cset; + ns_tree_add(new_ns); return new_ns; } |