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authorJakub Kicinski <kuba@kernel.org>2025-11-20 09:12:41 -0800
committerJakub Kicinski <kuba@kernel.org>2025-11-20 09:13:26 -0800
commit9e203721ec6117b2f4436a26662413764fd669f0 (patch)
tree48895ecf4aa8b80ca78bfc12940e65117574b6e9 /fs/nfs/inode.c
parent0888a0d76dc20207ed0e7e22aa0f6ad97db90ca5 (diff)
parent8e621c9a337555c914cf1664605edfaa6f839774 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Cross-merge networking fixes after downstream PR (net-6.18-rc7). No conflicts, adjacent changes: tools/testing/selftests/net/af_unix/Makefile e1bb28bf13f4 ("selftest: af_unix: Add test for SO_PEEK_OFF.") 45a1cd8346ca ("selftests: af_unix: Add tests for ECONNRESET and EOF semantics") Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'fs/nfs/inode.c')
-rw-r--r--fs/nfs/inode.c18
1 files changed, 12 insertions, 6 deletions
diff --git a/fs/nfs/inode.c b/fs/nfs/inode.c
index 18b57c7c2f97..13ad70fc00d8 100644
--- a/fs/nfs/inode.c
+++ b/fs/nfs/inode.c
@@ -718,6 +718,8 @@ nfs_setattr(struct mnt_idmap *idmap, struct dentry *dentry,
struct nfs_fattr *fattr;
loff_t oldsize = i_size_read(inode);
int error = 0;
+ kuid_t task_uid = current_fsuid();
+ kuid_t owner_uid = inode->i_uid;
nfs_inc_stats(inode, NFSIOS_VFSSETATTR);
@@ -739,9 +741,11 @@ nfs_setattr(struct mnt_idmap *idmap, struct dentry *dentry,
if (nfs_have_delegated_mtime(inode) && attr->ia_valid & ATTR_MTIME) {
spin_lock(&inode->i_lock);
if (attr->ia_valid & ATTR_MTIME_SET) {
- nfs_set_timestamps_to_ts(inode, attr);
- attr->ia_valid &= ~(ATTR_MTIME|ATTR_MTIME_SET|
+ if (uid_eq(task_uid, owner_uid)) {
+ nfs_set_timestamps_to_ts(inode, attr);
+ attr->ia_valid &= ~(ATTR_MTIME|ATTR_MTIME_SET|
ATTR_ATIME|ATTR_ATIME_SET);
+ }
} else {
nfs_update_timestamps(inode, attr->ia_valid);
attr->ia_valid &= ~(ATTR_MTIME|ATTR_ATIME);
@@ -751,10 +755,12 @@ nfs_setattr(struct mnt_idmap *idmap, struct dentry *dentry,
attr->ia_valid & ATTR_ATIME &&
!(attr->ia_valid & ATTR_MTIME)) {
if (attr->ia_valid & ATTR_ATIME_SET) {
- spin_lock(&inode->i_lock);
- nfs_set_timestamps_to_ts(inode, attr);
- spin_unlock(&inode->i_lock);
- attr->ia_valid &= ~(ATTR_ATIME|ATTR_ATIME_SET);
+ if (uid_eq(task_uid, owner_uid)) {
+ spin_lock(&inode->i_lock);
+ nfs_set_timestamps_to_ts(inode, attr);
+ spin_unlock(&inode->i_lock);
+ attr->ia_valid &= ~(ATTR_ATIME|ATTR_ATIME_SET);
+ }
} else {
nfs_update_delegated_atime(inode);
attr->ia_valid &= ~ATTR_ATIME;