4.18-stable review patch. If anyone has any objections, please let me know.
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From: Thomas Werschlein thomas.werschlein@geo.uzh.ch
commit 395a2076b4064f97d3fce03af15210ff2a7bb7f9 upstream.
This patch is required allows access to a Microsoft fileserver failover cluster behind a 1:1 NAT firewall.
The change also provides stronger context for authentication and share connection (see MS-SMB2 3.3.5.7 and MS-SRVS 3.1.6.8) as noted by Tom Talpey, and addresses comments about the buffer size for the UNC made by Aurélien Aptel.
Signed-off-by: Thomas Werschlein thomas.werschlein@geo.uzh.ch Signed-off-by: Steve French stfrench@microsoft.com CC: Tom Talpey ttalpey@microsoft.com Reviewed-by: Aurelien Aptel aaptel@suse.com CC: Stable stable@vger.kernel.org Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org
--- fs/cifs/connect.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
--- a/fs/cifs/connect.c +++ b/fs/cifs/connect.c @@ -2523,7 +2523,7 @@ cifs_setup_ipc(struct cifs_ses *ses, str if (tcon == NULL) return -ENOMEM;
- snprintf(unc, sizeof(unc), "\\%s\IPC$", ses->serverName); + snprintf(unc, sizeof(unc), "\\%s\IPC$", ses->server->hostname);
/* cannot fail */ nls_codepage = load_nls_default();