This is a note to let you know that I've just added the patch titled
nfs42: client needs to strip file mode's suid/sgid bit after ALLOCATE op
to the 6.1-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
nfs42-client-needs-to-strip-file-mode-s-suid-sgid-bit-after-allocate-op.patch
and it can be found in the queue-6.1 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From f588d72bd95f748849685412b1f0c7959ca228cf Mon Sep 17 00:00:00 2001
From: Dai Ngo <dai.ngo@xxxxxxxxxx>
Date: Mon, 18 Sep 2023 23:30:20 -0700
Subject: nfs42: client needs to strip file mode's suid/sgid bit after ALLOCATE op
From: Dai Ngo <dai.ngo@xxxxxxxxxx>
commit f588d72bd95f748849685412b1f0c7959ca228cf upstream.
The Linux NFS server strips the SUID and SGID from the file mode
on ALLOCATE op.
Modify _nfs42_proc_fallocate to add NFS_INO_REVAL_FORCED to
nfs_set_cache_invalid's argument to force update of the file
mode suid/sgid bit.
Suggested-by: Trond Myklebust <trondmy@xxxxxxxxxxxxxxx>
Signed-off-by: Dai Ngo <dai.ngo@xxxxxxxxxx>
Reviewed-by: Jeff Layton <jlayton@xxxxxxxxxx>
Tested-by: Jeff Layton <jlayton@xxxxxxxxxx>
Signed-off-by: Anna Schumaker <Anna.Schumaker@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
fs/nfs/nfs42proc.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
--- a/fs/nfs/nfs42proc.c
+++ b/fs/nfs/nfs42proc.c
@@ -81,7 +81,8 @@ static int _nfs42_proc_fallocate(struct
if (status == 0) {
if (nfs_should_remove_suid(inode)) {
spin_lock(&inode->i_lock);
- nfs_set_cache_invalid(inode, NFS_INO_INVALID_MODE);
+ nfs_set_cache_invalid(inode,
+ NFS_INO_REVAL_FORCED | NFS_INO_INVALID_MODE);
spin_unlock(&inode->i_lock);
}
status = nfs_post_op_update_inode_force_wcc(inode,
Patches currently in stable-queue which might be from dai.ngo@xxxxxxxxxx are
queue-6.1/nfs42-client-needs-to-strip-file-mode-s-suid-sgid-bit-after-allocate-op.patch
