Commit d1ceb882 authored by Hyunchul Lee's avatar Hyunchul Lee Committed by Zhong Jinghua
Browse files

ksmbd: smbd: fix missing client's memory region invalidation

mainline inclusion
from mainline-5.17-rc1
commit 2fd5dcb1
category: feature
bugzilla: https://gitee.com/openeuler/kernel/issues/I60T7G
CVE: NA

Reference: https://git.kernel.org/torvalds/linux/c/2fd5dcb1c8ef



-------------------------------

if the Channel of a SMB2 WRITE request is
SMB2_CHANNEL_RDMA_V1_INVALIDTE, a client
does not invalidate its memory regions but
ksmbd must do it by sending a SMB2 WRITE response
with IB_WR_SEND_WITH_INV.

But if errors occur while processing a SMB2
READ/WRITE request, ksmbd sends a response
with IB_WR_SEND. So a client could use memory
regions already in use.

Acked-by: default avatarNamjae Jeon <linkinjeon@kernel.org>
Signed-off-by: default avatarHyunchul Lee <hyc.lee@gmail.com>
Signed-off-by: default avatarSteve French <stfrench@microsoft.com>
Signed-off-by: default avatarJason Yan <yanaijie@huawei.com>
Signed-off-by: default avatarZhong Jinghua <zhongjinghua@huawei.com>
parent d3a1de10
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