From 385668603ac3f43bf77bab507ee0df9259679c6d Mon Sep 17 00:00:00 2001 From: Christian Brauner Date: Mon, 1 Jun 2026 15:56:46 +0200 Subject: [PATCH] ksmbd: use scoped_with_init_fs() for share path resolution MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Use scoped_with_init_fs() to temporarily override current->fs for the kern_path() call in share_config_request() so the share path lookup happens in init's filesystem context. All ksmbd paths ← SMB command handlers ← handle_ksmbd_work() ← workqueue ← ksmbd_conn_handler_loop() ← kthread Link: https://patch.msgid.link/20260601-work-kthread-nullfs-v4-13-77ee053060e0@kernel.org Signed-off-by: Christian Brauner (Amutable) --- fs/smb/server/mgmt/share_config.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/fs/smb/server/mgmt/share_config.c b/fs/smb/server/mgmt/share_config.c index 6f97f8d39657..e00aee155935 100644 --- a/fs/smb/server/mgmt/share_config.c +++ b/fs/smb/server/mgmt/share_config.c @@ -9,6 +9,7 @@ #include #include #include +#include #include #include @@ -193,7 +194,8 @@ static struct ksmbd_share_config *share_config_request(struct ksmbd_work *work, goto out; } - ret = kern_path(share->path, 0, &share->vfs_path); + scoped_with_init_fs() + ret = kern_path(share->path, 0, &share->vfs_path); ksmbd_revert_fsids(work); if (ret) { ksmbd_debug(SMB, "failed to access '%s'\n",