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-rw-r--r--fs/overlayfs/dir.c13
1 files changed, 11 insertions, 2 deletions
diff --git a/fs/overlayfs/dir.c b/fs/overlayfs/dir.c
index 22f0253a3567..c2a6b0894022 100644
--- a/fs/overlayfs/dir.c
+++ b/fs/overlayfs/dir.c
@@ -405,12 +405,21 @@ static int ovl_create_or_link(struct dentry *dentry, int mode, dev_t rdev,
405 err = ovl_create_upper(dentry, inode, &stat, link, hardlink); 405 err = ovl_create_upper(dentry, inode, &stat, link, hardlink);
406 } else { 406 } else {
407 const struct cred *old_cred; 407 const struct cred *old_cred;
408 struct cred *override_cred;
408 409
409 old_cred = ovl_override_creds(dentry->d_sb); 410 old_cred = ovl_override_creds(dentry->d_sb);
410 411
411 err = ovl_create_over_whiteout(dentry, inode, &stat, link, 412 err = -ENOMEM;
412 hardlink); 413 override_cred = prepare_creds();
414 if (override_cred) {
415 override_cred->fsuid = old_cred->fsuid;
416 override_cred->fsgid = old_cred->fsgid;
417 put_cred(override_creds(override_cred));
418 put_cred(override_cred);
413 419
420 err = ovl_create_over_whiteout(dentry, inode, &stat,
421 link, hardlink);
422 }
414 revert_creds(old_cred); 423 revert_creds(old_cred);
415 } 424 }
416 425