5.15-stable review patch. If anyone has any objections, please let me know.
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From: Namjae Jeon linkinjeon@kernel.org
[ Upstream commit a58b45a4dbfd0bf2ebb157789da4d8e6368afb1b ]
Set ipv4 and ipv6 address in FSCTL_QUERY_NETWORK_INTERFACE_INFO.
Signed-off-by: Namjae Jeon linkinjeon@kernel.org Signed-off-by: Steve French stfrench@microsoft.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- fs/ksmbd/smb2pdu.c | 22 ++++++++++++---------- 1 file changed, 12 insertions(+), 10 deletions(-)
--- a/fs/ksmbd/smb2pdu.c +++ b/fs/ksmbd/smb2pdu.c @@ -7328,15 +7328,10 @@ static int fsctl_query_iface_info_ioctl( struct sockaddr_storage_rsp *sockaddr_storage; unsigned int flags; unsigned long long speed; - struct sockaddr_in6 *csin6 = (struct sockaddr_in6 *)&conn->peer_addr;
rtnl_lock(); for_each_netdev(&init_net, netdev) { - if (out_buf_len < - nbytes + sizeof(struct network_interface_info_ioctl_rsp)) { - rtnl_unlock(); - return -ENOSPC; - } + bool ipv4_set = false;
if (netdev->type == ARPHRD_LOOPBACK) continue; @@ -7344,6 +7339,12 @@ static int fsctl_query_iface_info_ioctl( flags = dev_get_flags(netdev); if (!(flags & IFF_RUNNING)) continue; +ipv6_retry: + if (out_buf_len < + nbytes + sizeof(struct network_interface_info_ioctl_rsp)) { + rtnl_unlock(); + return -ENOSPC; + }
nii_rsp = (struct network_interface_info_ioctl_rsp *) &rsp->Buffer[nbytes]; @@ -7376,8 +7377,7 @@ static int fsctl_query_iface_info_ioctl( nii_rsp->SockAddr_Storage; memset(sockaddr_storage, 0, 128);
- if (conn->peer_addr.ss_family == PF_INET || - ipv6_addr_v4mapped(&csin6->sin6_addr)) { + if (!ipv4_set) { struct in_device *idev;
sockaddr_storage->Family = cpu_to_le16(INTERNETWORK); @@ -7388,6 +7388,9 @@ static int fsctl_query_iface_info_ioctl( continue; sockaddr_storage->addr4.IPv4address = idev_ipv4_address(idev); + nbytes += sizeof(struct network_interface_info_ioctl_rsp); + ipv4_set = true; + goto ipv6_retry; } else { struct inet6_dev *idev6; struct inet6_ifaddr *ifa; @@ -7409,9 +7412,8 @@ static int fsctl_query_iface_info_ioctl( break; } sockaddr_storage->addr6.ScopeId = 0; + nbytes += sizeof(struct network_interface_info_ioctl_rsp); } - - nbytes += sizeof(struct network_interface_info_ioctl_rsp); } rtnl_unlock();