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authorLinus Torvalds <torvalds@linux-foundation.org>2021-04-30 15:17:08 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2021-04-30 15:17:08 -0700
commitd652502ef46895820533aada50ddfd94abe078fe (patch)
tree06b1394b756279419a832f1ea1400147e5cb446c /fs/overlayfs/namei.c
parentd42f323a7df0b298c07313db00b44b78555ca8e6 (diff)
parent5e717c6fa41ff9b9b0c1e5959ccf5d8ef42f804b (diff)
Merge tag 'ovl-update-5.13' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs
Pull overlayfs update from Miklos Szeredi: - Fix a regression introduced in 5.2 that resulted in valid overlayfs mounts being rejected with ELOOP (Too many levels of symbolic links) - Fix bugs found by various tools - Miscellaneous improvements and cleanups * tag 'ovl-update-5.13' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs: ovl: add debug print to ovl_do_getxattr() ovl: invalidate readdir cache on changes to dir with origin ovl: allow upperdir inside lowerdir ovl: show "userxattr" in the mount data ovl: trivial typo fixes in the file inode.c ovl: fix misspellings using codespell tool ovl: do not copy attr several times ovl: remove ovl_map_dev_ino() return value ovl: fix error for ovl_fill_super() ovl: fix missing revert_creds() on error path ovl: fix leaked dentry ovl: restrict lower null uuid for "xino=auto" ovl: check that upperdir path is not on a read-only mount ovl: plumb through flush method
Diffstat (limited to 'fs/overlayfs/namei.c')
-rw-r--r--fs/overlayfs/namei.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/fs/overlayfs/namei.c b/fs/overlayfs/namei.c
index 1d573972ce22..210cd6f66e28 100644
--- a/fs/overlayfs/namei.c
+++ b/fs/overlayfs/namei.c
@@ -919,6 +919,7 @@ struct dentry *ovl_lookup(struct inode *dir, struct dentry *dentry,
continue;
if ((uppermetacopy || d.metacopy) && !ofs->config.metacopy) {
+ dput(this);
err = -EPERM;
pr_warn_ratelimited("refusing to follow metacopy origin for (%pd2)\n", dentry);
goto out_put;