The branch stable/13 has been updated by kib:
URL:
https://cgit.FreeBSD.org/src/commit/?id=eea4a0b81aedfdbb80245e779c92a74131c572aa
commit eea4a0b81aedfdbb80245e779c92a74131c572aa
Author: Konstantin Belousov <k...@freebsd.org>
AuthorDate: 2021-05-12 19:04:44 +0000
Commit: Konstantin Belousov <k...@freebsd.org>
CommitDate: 2021-05-19 03:13:15 +0000
vn_open_cred(): disallow O_CREAT | O_EMPTY_PATH
(cherry picked from commit 6de3cf14c47d97b423ae25d5bd1d80b896ecd9e6)
---
sys/kern/vfs_vnops.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/sys/kern/vfs_vnops.c b/sys/kern/vfs_vnops.c
index 670bc4bf8fcc..8f583329f067 100644
--- a/sys/kern/vfs_vnops.c
+++ b/sys/kern/vfs_vnops.c
@@ -233,7 +233,8 @@ restart:
first_open = false;
fmode = *flagp;
if ((fmode & (O_CREAT | O_EXCL | O_DIRECTORY)) == (O_CREAT |
- O_EXCL | O_DIRECTORY))
+ O_EXCL | O_DIRECTORY) ||
+ (fmode & (O_CREAT | O_EMPTY_PATH)) == (O_CREAT | O_EMPTY_PATH))
return (EINVAL);
else if ((fmode & (O_CREAT | O_DIRECTORY)) == O_CREAT) {
ndp->ni_cnd.cn_nameiop = CREATE;
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