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authorLinus Torvalds <torvalds@linux-foundation.org>2023-06-02 20:38:55 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2023-06-02 20:38:55 +0300
commita746ca666a8486a04b6c0584966bfce16f6b1e1a (patch)
tree6329bff29ac8321f55d9d2c870129bdce0ad4ade /fs/nfsd
parent2b7497739fc8b4f411b70b78044a9fc21d34d18d (diff)
parentc034203b6a9dae6751ef4371c18cb77983e30c28 (diff)
downloadlinux-a746ca666a8486a04b6c0584966bfce16f6b1e1a.tar.xz
Merge tag 'nfsd-6.4-2' of git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux
Pull nfsd fixes from Chuck Lever: - Two minor bug fixes * tag 'nfsd-6.4-2' of git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux: nfsd: fix double fget() bug in __write_ports_addfd() nfsd: make a copy of struct iattr before calling notify_change
Diffstat (limited to 'fs/nfsd')
-rw-r--r--fs/nfsd/nfsctl.c7
-rw-r--r--fs/nfsd/vfs.c10
2 files changed, 10 insertions, 7 deletions
diff --git a/fs/nfsd/nfsctl.c b/fs/nfsd/nfsctl.c
index c159817d1282..b4fd7a7062d5 100644
--- a/fs/nfsd/nfsctl.c
+++ b/fs/nfsd/nfsctl.c
@@ -690,16 +690,11 @@ static ssize_t __write_ports_addfd(char *buf, struct net *net, const struct cred
if (err != 0 || fd < 0)
return -EINVAL;
- if (svc_alien_sock(net, fd)) {
- printk(KERN_ERR "%s: socket net is different to NFSd's one\n", __func__);
- return -EINVAL;
- }
-
err = nfsd_create_serv(net);
if (err != 0)
return err;
- err = svc_addsock(nn->nfsd_serv, fd, buf, SIMPLE_TRANSACTION_LIMIT, cred);
+ err = svc_addsock(nn->nfsd_serv, net, fd, buf, SIMPLE_TRANSACTION_LIMIT, cred);
if (err >= 0 &&
!nn->nfsd_serv->sv_nrthreads && !xchg(&nn->keep_active, 1))
diff --git a/fs/nfsd/vfs.c b/fs/nfsd/vfs.c
index bb9d47172162..db67f8e19344 100644
--- a/fs/nfsd/vfs.c
+++ b/fs/nfsd/vfs.c
@@ -536,7 +536,15 @@ nfsd_setattr(struct svc_rqst *rqstp, struct svc_fh *fhp,
inode_lock(inode);
for (retries = 1;;) {
- host_err = __nfsd_setattr(dentry, iap);
+ struct iattr attrs;
+
+ /*
+ * notify_change() can alter its iattr argument, making
+ * @iap unsuitable for submission multiple times. Make a
+ * copy for every loop iteration.
+ */
+ attrs = *iap;
+ host_err = __nfsd_setattr(dentry, &attrs);
if (host_err != -EAGAIN || !retries--)
break;
if (!nfsd_wait_for_delegreturn(rqstp, inode))