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authorMiklos Szeredi <miklos@szeredi.hu>2018-08-22 10:55:22 +0200
committerLinus Torvalds <torvalds@linux-foundation.org>2018-08-22 13:15:25 -0700
commit6faf05c2b2b4fe70d9068067437649401531de0a (patch)
tree11013bae190f6188a45c62db96a3975a68863e26 /fs/overlayfs
parentcd9b44f90763c3367e8dd0601849ffb028e8ba52 (diff)
downloadlinux-6faf05c2b2b4fe70d9068067437649401531de0a.tar.gz
ovl: set I_CREATING on inode being created
...otherwise there will be list corruption due to inode_sb_list_add() being
called for inode already on the sb list.

Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
Fixes: e950564b97fd ("vfs: don't evict uninitialized inode")
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs/overlayfs')
-rw-r--r--fs/overlayfs/dir.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/fs/overlayfs/dir.c b/fs/overlayfs/dir.c
index ec350d4d921c..276914ae3c60 100644
--- a/fs/overlayfs/dir.c
+++ b/fs/overlayfs/dir.c
@@ -603,6 +603,10 @@ static int ovl_create_object(struct dentry *dentry, int mode, dev_t rdev,
 	if (!inode)
 		goto out_drop_write;
 
+	spin_lock(&inode->i_lock);
+	inode->i_state |= I_CREATING;
+	spin_unlock(&inode->i_lock);
+
 	inode_init_owner(inode, dentry->d_parent->d_inode, mode);
 	attr.mode = inode->i_mode;