[PATCH 4.14 62/88] kernfs: deal with kernfs_fill_super() failures
From: Sasha Levin <sashal@kernel.org>
Date: 2021-06-28 15:13:16
Also in:
lkml
Subsystem:
filesystems (vfs and infrastructure), kernfs, the rest · Maintainers:
Alexander Viro, Christian Brauner, Greg Kroah-Hartman, Tejun Heo, Linus Torvalds
From: Al Viro <viro@zeniv.linux.org.uk> commit 82382acec0c97b91830fff7130d0acce4ac4f3f3 upstream. make sure that info->node is initialized early, so that kernfs_kill_sb() can list_del() it safely. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Guilherme G. Piccoli <redacted> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> --- fs/kernfs/mount.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/fs/kernfs/mount.c b/fs/kernfs/mount.c
index 5019058e0f6a..610267585f8f 100644
--- a/fs/kernfs/mount.c
+++ b/fs/kernfs/mount.c@@ -320,6 +320,7 @@ struct dentry *kernfs_mount_ns(struct file_system_type *fs_type, int flags, info->root = root; info->ns = ns; + INIT_LIST_HEAD(&info->node); sb = sget_userns(fs_type, kernfs_test_super, kernfs_set_super, flags, &init_user_ns, info);
--
2.30.2