* [PATCH net 1/1] xfrm: provide message size for XFRM_MSG_MAPPING
[not found] <cover.1777354203.git.ruijieli51@gmail.com>
@ 2026-04-28 16:41 ` Ren Wei
2026-04-30 7:56 ` Steffen Klassert
0 siblings, 1 reply; 2+ messages in thread
From: Ren Wei @ 2026-04-28 16:41 UTC (permalink / raw)
To: netdev
Cc: steffen.klassert, herbert, davem, edumazet, kuba, pabeni, horms,
0x7f454c46, yuantan098, yifanwucs, tomapufckgml, bird, ruijieli51,
n05ec
From: Ruijie Li <ruijieli51@gmail.com>
The compat 64=>32 translation path handles XFRM_MSG_MAPPING, but
xfrm_msg_min[] does not provide the native payload size for this
message type.
Add the missing XFRM_MSG_MAPPING entry so compat translation can size
and translate mapping notifications correctly.
Fixes: 5461fc0c8d9f ("xfrm/compat: Add 64=>32-bit messages translator")
Cc: stable@kernel.org
Reported-by: Yuan Tan <yuantan098@gmail.com>
Reported-by: Yifan Wu <yifanwucs@gmail.com>
Reported-by: Juefei Pu <tomapufckgml@gmail.com>
Reported-by: Xin Liu <bird@lzu.edu.cn>
Signed-off-by: Ruijie Li <ruijieli51@gmail.com>
Signed-off-by: Ren Wei <n05ec@lzu.edu.cn>
---
net/xfrm/xfrm_user.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/net/xfrm/xfrm_user.c b/net/xfrm/xfrm_user.c
index d56450f61669..38a90e5ee3d9 100644
--- a/net/xfrm/xfrm_user.c
+++ b/net/xfrm/xfrm_user.c
@@ -3323,6 +3323,7 @@ const int xfrm_msg_min[XFRM_NR_MSGTYPES] = {
[XFRM_MSG_GETSADINFO - XFRM_MSG_BASE] = sizeof(u32),
[XFRM_MSG_NEWSPDINFO - XFRM_MSG_BASE] = sizeof(u32),
[XFRM_MSG_GETSPDINFO - XFRM_MSG_BASE] = sizeof(u32),
+ [XFRM_MSG_MAPPING - XFRM_MSG_BASE] = XMSGSIZE(xfrm_user_mapping),
[XFRM_MSG_SETDEFAULT - XFRM_MSG_BASE] = XMSGSIZE(xfrm_userpolicy_default),
[XFRM_MSG_GETDEFAULT - XFRM_MSG_BASE] = XMSGSIZE(xfrm_userpolicy_default),
};
--
2.34.1
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH net 1/1] xfrm: provide message size for XFRM_MSG_MAPPING
2026-04-28 16:41 ` [PATCH net 1/1] xfrm: provide message size for XFRM_MSG_MAPPING Ren Wei
@ 2026-04-30 7:56 ` Steffen Klassert
0 siblings, 0 replies; 2+ messages in thread
From: Steffen Klassert @ 2026-04-30 7:56 UTC (permalink / raw)
To: Ren Wei
Cc: netdev, herbert, davem, edumazet, kuba, pabeni, horms, 0x7f454c46,
yuantan098, yifanwucs, tomapufckgml, bird, ruijieli51
On Wed, Apr 29, 2026 at 12:41:43AM +0800, Ren Wei wrote:
> From: Ruijie Li <ruijieli51@gmail.com>
>
> The compat 64=>32 translation path handles XFRM_MSG_MAPPING, but
> xfrm_msg_min[] does not provide the native payload size for this
> message type.
>
> Add the missing XFRM_MSG_MAPPING entry so compat translation can size
> and translate mapping notifications correctly.
>
> Fixes: 5461fc0c8d9f ("xfrm/compat: Add 64=>32-bit messages translator")
> Cc: stable@kernel.org
> Reported-by: Yuan Tan <yuantan098@gmail.com>
> Reported-by: Yifan Wu <yifanwucs@gmail.com>
> Reported-by: Juefei Pu <tomapufckgml@gmail.com>
> Reported-by: Xin Liu <bird@lzu.edu.cn>
> Signed-off-by: Ruijie Li <ruijieli51@gmail.com>
> Signed-off-by: Ren Wei <n05ec@lzu.edu.cn>
Applied, thanks a lot!
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