Unverified Commit 48d7a3c5 authored by openeuler-ci-bot's avatar openeuler-ci-bot Committed by Gitee
Browse files

!6680 cifs: fix underflow in parse_server_interfaces() 

Merge Pull Request from: @ci-robot 
 
PR sync from: Long Li <leo.lilong@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/KC6CHHISNEHFVK2YPKGSY53ANDDBNL6H/ 
 
https://gitee.com/src-openeuler/kernel/issues/I9HJRD 
 
Link:https://gitee.com/openeuler/kernel/pulls/6680

 

Reviewed-by: default avatarJialin Zhang <zhangjialin11@huawei.com>
Signed-off-by: default avatarJialin Zhang <zhangjialin11@huawei.com>
parents 31e3f5aa 8bb7f538

fs/cifs/smb2ops.c

+2 −2
Original line number Diff line number Diff line
@@ -462,7 +462,7 @@ parse_server_interfaces(struct network_interface_info_ioctl_rsp *buf, 


	bytes_left = buf_len;

	p = buf;

	while (bytes_left >= sizeof(*p)) {

	while (bytes_left >= (ssize_t)sizeof(*p)) {

		nb_iface++;

		next = le32_to_cpu(p->Next);

		if (!next) {
@@ -497,7 +497,7 @@ parse_server_interfaces(struct network_interface_info_ioctl_rsp *buf, 
	info = *iface_list;

	bytes_left = buf_len;

	p = buf;

	while (bytes_left >= sizeof(*p)) {

	while (bytes_left >= (ssize_t)sizeof(*p)) {

		info->speed = le64_to_cpu(p->LinkSpeed);

		info->rdma_capable = le32_to_cpu(p->Capability & RDMA_CAPABLE) ? 1 : 0;

		info->rss_capable = le32_to_cpu(p->Capability & RSS_CAPABLE) ? 1 : 0;