git: af188c01b303 - stable/13 - nameicap_check_dotdot: trim tracker on check
Konstantin Belousov
kib at FreeBSD.org
Thu Mar 4 19:25:08 UTC 2021
The branch stable/13 has been updated by kib:
URL: https://cgit.FreeBSD.org/src/commit/?id=af188c01b303f0f13cd3835d5c6a2fa8aecdb9bb
commit af188c01b303f0f13cd3835d5c6a2fa8aecdb9bb
Author: Konstantin Belousov <kib at FreeBSD.org>
AuthorDate: 2021-02-28 00:15:21 +0000
Commit: Konstantin Belousov <kib at FreeBSD.org>
CommitDate: 2021-03-04 19:11:09 +0000
nameicap_check_dotdot: trim tracker on check
(cherry picked from commit 49c98a4bf3a87ace0df99056fa683805c1645e61)
---
sys/kern/vfs_lookup.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/sys/kern/vfs_lookup.c b/sys/kern/vfs_lookup.c
index abc01c73e24c..b4280f85c5b6 100644
--- a/sys/kern/vfs_lookup.c
+++ b/sys/kern/vfs_lookup.c
@@ -240,8 +240,12 @@ nameicap_check_dotdot(struct nameidata *ndp, struct vnode *dp)
return (ENOTCAPABLE);
TAILQ_FOREACH_REVERSE(nt, &ndp->ni_cap_tracker, nameicap_tracker_head,
nm_link) {
- if (dp == nt->dp)
+ if (dp == nt->dp) {
+ nt = TAILQ_NEXT(nt, nm_link);
+ if (nt != NULL)
+ nameicap_cleanup_from(ndp, nt);
return (0);
+ }
}
return (ENOTCAPABLE);
}
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