diff options
| author | Thiago Rafael Becker <tbecker@redhat.com> | 2023-04-05 10:16:48 -0300 |
|---|---|---|
| committer | Steve French <stfrench@microsoft.com> | 2023-04-05 12:32:19 -0500 |
| commit | d19342c6609b67f2ba83b9eccca2777e3687f625 (patch) | |
| tree | e70ee07e09a6700ef9fa439ea20d2ece99d1fc96 /fs/cifs/misc.c | |
| parent | 7e364e56293bb98cae1b55fd835f5991c4e96e7d (diff) | |
cifs: sanitize paths in cifs_update_super_prepath.
After a server reboot, clients are failing to move files with ENOENT.
This is caused by DFS referrals containing multiple separators, which
the server move call doesn't recognize.
v1: Initial patch.
v2: Move prototype to header.
Link: https://bugzilla.redhat.com/show_bug.cgi?id=2182472
Fixes: a31080899d5f ("cifs: sanitize multiple delimiters in prepath")
Actually-Fixes: 24e0a1eff9e2 ("cifs: switch to new mount api")
Reviewed-by: Paulo Alcantara (SUSE) <pc@manguebit.com>
Signed-off-by: Thiago Rafael Becker <tbecker@redhat.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
Diffstat (limited to 'fs/cifs/misc.c')
| -rw-r--r-- | fs/cifs/misc.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/cifs/misc.c b/fs/cifs/misc.c index b44fb51968bf..7f085ed2d866 100644 --- a/fs/cifs/misc.c +++ b/fs/cifs/misc.c @@ -1195,7 +1195,7 @@ int cifs_update_super_prepath(struct cifs_sb_info *cifs_sb, char *prefix) kfree(cifs_sb->prepath); if (prefix && *prefix) { - cifs_sb->prepath = kstrdup(prefix, GFP_ATOMIC); + cifs_sb->prepath = cifs_sanitize_prepath(prefix, GFP_ATOMIC); if (!cifs_sb->prepath) return -ENOMEM; |