Unverified Commit ba9f4e20 authored by openeuler-ci-bot's avatar openeuler-ci-bot Committed by Gitee
Browse files

!9780 ksmbd: fix wrong DataOffset validation of create context 

Merge Pull Request from: @ci-robot 
 
PR sync from: Jinjiang Tu <tujinjiang@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/PDEGRSPEUUHACPZWYUP5YZYKPPVMHTEH/ 
 
https://gitee.com/src-openeuler/kernel/issues/IAAVBH 
 
Link:https://gitee.com/openeuler/kernel/pulls/9780

 

Reviewed-by: default avatarKefeng Wang <wangkefeng.wang@huawei.com>
Signed-off-by: default avatarYang Yingliang <yangyingliang@huawei.com>
parents 346f95f0 fde64299

fs/ksmbd/oplock.c

+1 −1
Original line number Diff line number Diff line
@@ -1488,7 +1488,7 @@ struct create_context *smb2_find_context_vals(void *open_req, const char *tag, i 
		    name_len < 4 ||

		    name_off + name_len > cc_len ||

		    (value_off & 0x7) != 0 ||

		    (value_off && (value_off < name_off + name_len)) ||

		    (value_len && value_off < name_off + (name_len < 8 ? 8 : name_len)) ||

		    ((u64)value_off + value_len > cc_len))

			return ERR_PTR(-EINVAL);