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authorLinus Torvalds <torvalds@linux-foundation.org>2021-01-29 06:40:26 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2021-01-29 06:40:26 +0300
commitbec4c2968fce2f44ce62d05288a633cd99a722eb (patch)
tree796e4d6f70b4e2f3ca21c4dd43752a040c864c88 /fs
parent909b447dcc45db2f9bd5f495f1d16c419812e6df (diff)
parent0b964446c63f9d7d7cd1809ee39277b4f73916b5 (diff)
downloadlinux-bec4c2968fce2f44ce62d05288a633cd99a722eb.tar.xz
Merge tag 'ecryptfs-5.11-rc6-setxattr-fix' of git://git.kernel.org/pub/scm/linux/kernel/git/tyhicks/ecryptfs
Pull ecryptfs fix from Tyler Hicks: "Fix a regression that resulted in two rounds of UID translations when setting v3 namespaced file capabilities in some configurations" * tag 'ecryptfs-5.11-rc6-setxattr-fix' of git://git.kernel.org/pub/scm/linux/kernel/git/tyhicks/ecryptfs: ecryptfs: fix uid translation for setxattr on security.capability
Diffstat (limited to 'fs')
-rw-r--r--fs/ecryptfs/inode.c10
1 files changed, 7 insertions, 3 deletions
diff --git a/fs/ecryptfs/inode.c b/fs/ecryptfs/inode.c
index e23752d9a79f..58d0f7187997 100644
--- a/fs/ecryptfs/inode.c
+++ b/fs/ecryptfs/inode.c
@@ -1016,15 +1016,19 @@ ecryptfs_setxattr(struct dentry *dentry, struct inode *inode,
{
int rc;
struct dentry *lower_dentry;
+ struct inode *lower_inode;
lower_dentry = ecryptfs_dentry_to_lower(dentry);
- if (!(d_inode(lower_dentry)->i_opflags & IOP_XATTR)) {
+ lower_inode = d_inode(lower_dentry);
+ if (!(lower_inode->i_opflags & IOP_XATTR)) {
rc = -EOPNOTSUPP;
goto out;
}
- rc = vfs_setxattr(lower_dentry, name, value, size, flags);
+ inode_lock(lower_inode);
+ rc = __vfs_setxattr_locked(lower_dentry, name, value, size, flags, NULL);
+ inode_unlock(lower_inode);
if (!rc && inode)
- fsstack_copy_attr_all(inode, d_inode(lower_dentry));
+ fsstack_copy_attr_all(inode, lower_inode);
out:
return rc;
}