diff options
| author | Patrick Wildt <patrick@cvs.openbsd.org> | 2021-10-24 09:59:53 +0000 |
|---|---|---|
| committer | Patrick Wildt <patrick@cvs.openbsd.org> | 2021-10-24 09:59:53 +0000 |
| commit | 2ba2772746af9de8240d0008e646447af64fd4ab (patch) | |
| tree | 01048c200f86bc08bac00bdb597d1eec61504039 /sys/tmpfs/tmpfs_vnops.c | |
| parent | 0c99be0e9acd5bd6c7e90d32c74488d3972f51e1 (diff) | |
Prohibit renames of tmpfs mount-points to fix a panic.
From gerhard@
Diffstat (limited to 'sys/tmpfs/tmpfs_vnops.c')
| -rw-r--r-- | sys/tmpfs/tmpfs_vnops.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/sys/tmpfs/tmpfs_vnops.c b/sys/tmpfs/tmpfs_vnops.c index 690f09b1fec..fb862771dd4 100644 --- a/sys/tmpfs/tmpfs_vnops.c +++ b/sys/tmpfs/tmpfs_vnops.c @@ -1,4 +1,4 @@ -/* $OpenBSD: tmpfs_vnops.c,v 1.48 2021/10/23 17:39:08 patrick Exp $ */ +/* $OpenBSD: tmpfs_vnops.c,v 1.49 2021/10/24 09:59:52 patrick Exp $ */ /* $NetBSD: tmpfs_vnops.c,v 1.100 2012/11/05 17:27:39 dholland Exp $ */ /* @@ -1328,8 +1328,10 @@ tmpfs_rename(void *v) /* * Check for cross-device rename. + * Also don't allow renames of mount points. */ if (fvp->v_mount != tdvp->v_mount || + fdvp->v_mount != fvp->v_mount || (tvp != NULL && (fvp->v_mount != tvp->v_mount))) { tmpfs_rename_abort(v); return EXDEV; |