git: d8cf51949252 - main - fhopen: Restore the O_CREAT check

From: Mark Johnston <markj_at_FreeBSD.org>
Date: Sun, 13 Apr 2025 14:54:34 UTC
The branch main has been updated by markj:

URL: https://cgit.FreeBSD.org/src/commit/?id=d8cf519492523f6dd239ab153029db62749afa52

commit d8cf519492523f6dd239ab153029db62749afa52
Author:     Mark Johnston <markj@FreeBSD.org>
AuthorDate: 2025-04-13 14:54:26 +0000
Commit:     Mark Johnston <markj@FreeBSD.org>
CommitDate: 2025-04-13 14:54:26 +0000

    fhopen: Restore the O_CREAT check
    
    Fixes:  509189bb4109 ("fhopen: Enable handling of O_PATH, fix some bugs")
---
 sys/kern/vfs_syscalls.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/sys/kern/vfs_syscalls.c b/sys/kern/vfs_syscalls.c
index 5fe2ae2e23a6..3f1462d354fd 100644
--- a/sys/kern/vfs_syscalls.c
+++ b/sys/kern/vfs_syscalls.c
@@ -4683,6 +4683,8 @@ kern_fhopen(struct thread *td, const struct fhandle *u_fhp, int flags)
 		return (error);
 
 	indx = -1;
+	if ((flags & O_CREAT) != 0)
+		return (EINVAL);
 	error = openflags(&flags);
 	if (error != 0)
 		return (error);