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kernel: ksmbd: browse-interfaces-list-on-FSCTL_QUERY_INTERFACE_INFO

Browse source 
backport from kernel 6.12

ksmbd.mount will give each interfaces list and bind_interfaces_only flags
to ksmbd server. Previously, the interfaces list was sent only
when bind_interfaces_only was enabled.
ksmbd server browse only interfaces list given from ksmbd.conf on
FSCTL_QUERY_INTERFACE_INFO IOCTL.

Signed-off-by: Andrea Pesaresi <andreapesaresi82@gmail.com>
Link: https://github.com/openwrt/openwrt/pull/20377
(cherry picked from commit 711e14af79)
Link: https://github.com/openwrt/openwrt/pull/20442
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
This commit is contained in:
Andrea Pesaresi 2025-10-11 10:07:42 +02:00 • committed by Hauke Mehrtens
parent 1a8d3ea89c
commit 225b6724cd
1 changed files with 35 additions and 0 deletions
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35
target/linux/generic/backport-6.6/540-v6.12-ksmbd-browse-interfaces-list-on-FSCTL_QUERY_INTERFACE_INFO.patch Normal file
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@ -0,0 +1,35 @@
From 0fc403192dcc8def1f6284959141608ac4c86699 Mon Sep 17 00:00:00 2001
From: Namjae Jeon <linkinjeon@kernel.org>
Date: Fri, 10 Jan 2025 13:37:05 +0900
Subject: ksmbd: browse interfaces list on FSCTL_QUERY_INTERFACE_INFO IOCTL
[ Upstream commit b2d99376c5d61eb60ffdb6c503e4b6c8f9712ddd ]
ksmbd.mount will give each interfaces list and bind_interfaces_only flags
to ksmbd server. Previously, the interfaces list was sent only
when bind_interfaces_only was enabled.
ksmbd server browse only interfaces list given from ksmbd.conf on
FSCTL_QUERY_INTERFACE_INFO IOCTL.
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
Stable-dep-of: 21a4e47578d4 ("ksmbd: fix use-after-free in __smb2_lease_break_noti()")
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
fs/smb/server/ksmbd_netlink.h | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
(limited to 'fs/smb/server/ksmbd_netlink.h')
--- a/fs/smb/server/ksmbd_netlink.h
+++ b/fs/smb/server/ksmbd_netlink.h
@@ -108,7 +108,8 @@ struct ksmbd_startup_request {
__u32 smb2_max_credits; /* MAX credits */
__u32 smbd_max_io_size; /* smbd read write size */
__u32 max_connections; /* Number of maximum simultaneous connections */
- __u32 reserved[126]; /* Reserved room */
+ __s8 bind_interfaces_only;
+ __s8 reserved[503]; /* Reserved room */
__u32 ifc_list_sz; /* interfaces list size */
__s8 ____payload[];
};