0dd5250af4
Changes in 4.9.149 NFC: nxp-nci: Include unaligned.h instead of access_ok.h ip6mr: Fix potential Spectre v1 vulnerability ipv4: Fix potential Spectre v1 vulnerability ax25: fix a use-after-free in ax25_fillin_cb() ibmveth: fix DMA unmap error in ibmveth_xmit_start error path ieee802154: lowpan_header_create check must check daddr ipv6: explicitly initialize udp6_addr in udp_sock_create6() ipv6: tunnels: fix two use-after-free isdn: fix kernel-infoleak in capi_unlocked_ioctl net: ipv4: do not handle duplicate fragments as overlapping net: phy: Fix the issue that netif always links up after resuming netrom: fix locking in nr_find_socket() net/wan: fix a double free in x25_asy_open_tty() packet: validate address length packet: validate address length if non-zero sctp: initialize sin6_flowinfo for ipv6 addrs in sctp_inet6addr_event tipc: fix a double kfree_skb() vhost: make sure used idx is seen before log in vhost_add_used_n() VSOCK: Send reset control packet when socket is partially bound xen/netfront: tolerate frags with no data tipc: use lock_sock() in tipc_sk_reinit() tipc: compare remote and local protocols in tipc_udp_enable() gro_cell: add napi_disable in gro_cells_destroy net/mlx5e: Remove the false indication of software timestamping support net/mlx5: Typo fix in del_sw_hw_rule sock: Make sock->sk_stamp thread-safe ptr_ring: wrap back ->producer in __ptr_ring_swap_queue() ALSA: rme9652: Fix potential Spectre v1 vulnerability ALSA: emu10k1: Fix potential Spectre v1 vulnerabilities ALSA: pcm: Fix potential Spectre v1 vulnerability ALSA: emux: Fix potential Spectre v1 vulnerabilities mtd: atmel-quadspi: disallow building on ebsa110 ALSA: hda: add mute LED support for HP EliteBook 840 G4 ALSA: hda/tegra: clear pending irq handlers USB: serial: pl2303: add ids for Hewlett-Packard HP POS pole displays USB: serial: option: add Fibocom NL678 series usb: r8a66597: Fix a possible concurrency use-after-free bug in r8a66597_endpoint_disable() staging: wilc1000: fix missing read_write setting when reading data qmi_wwan: apply SET_DTR quirk to the SIMCOM shared device ID Input: elan_i2c - add ACPI ID for touchpad in ASUS Aspire F5-573G KVM: x86: Use jmp to invoke kvm_spurious_fault() from .fixup platform-msi: Free descriptors in platform_msi_domain_free() perf pmu: Suppress potential format-truncation warning ext4: fix possible use after free in ext4_quota_enable ext4: missing unlock/put_page() in ext4_try_to_write_inline_data() ext4: fix EXT4_IOC_GROUP_ADD ioctl ext4: include terminating u32 in size of xattr entries when expanding inodes ext4: force inode writes when nfsd calls commit_metadata() spi: bcm2835: Fix race on DMA termination spi: bcm2835: Fix book-keeping of DMA termination spi: bcm2835: Avoid finishing transfer prematurely in IRQ mode clk: rockchip: fix typo in rk3188 spdif_frac parent cdc-acm: fix abnormal DATA RX issue for Mediatek Preloader. f2fs: fix validation of the block count in sanity_check_raw_super serial: uartps: Fix interrupt mask issue to handle the RX interrupts properly media: vivid: free bitmap_cap when updating std/timings/etc. media: v4l2-tpg: array index could become negative MIPS: Ensure pmd_present() returns false after pmd_mknotpresent() MIPS: Align kernel load address to 64KB MIPS: OCTEON: mark RGMII interface disabled on OCTEON III CIFS: Fix error mapping for SMB2_LOCK command which caused OFD lock problem x86/kvm/vmx: do not use vm-exit instruction length for fast MMIO when running nested arm64: KVM: Avoid setting the upper 32 bits of VTCR_EL2 to 1 rtc: m41t80: Correct alarm month range with RTC reads tpm: tpm_i2c_nuvoton: use correct command duration for TPM 2.x spi: bcm2835: Unbreak the build of esoteric configs Linux 4.9.149 Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
112 lines
2.6 KiB
C
112 lines
2.6 KiB
C
#include <linux/module.h>
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#include <linux/errno.h>
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#include <linux/socket.h>
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#include <linux/udp.h>
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#include <linux/types.h>
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#include <linux/kernel.h>
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#include <linux/in6.h>
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#include <net/udp.h>
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#include <net/udp_tunnel.h>
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#include <net/net_namespace.h>
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#include <net/netns/generic.h>
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#include <net/ip6_tunnel.h>
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#include <net/ip6_checksum.h>
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int udp_sock_create6(struct net *net, struct udp_port_cfg *cfg,
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struct socket **sockp)
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{
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struct sockaddr_in6 udp6_addr = {};
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int err;
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struct socket *sock = NULL;
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err = sock_create_kern(net, AF_INET6, SOCK_DGRAM, 0, &sock);
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if (err < 0)
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goto error;
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if (cfg->ipv6_v6only) {
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int val = 1;
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err = kernel_setsockopt(sock, IPPROTO_IPV6, IPV6_V6ONLY,
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(char *) &val, sizeof(val));
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if (err < 0)
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goto error;
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}
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udp6_addr.sin6_family = AF_INET6;
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memcpy(&udp6_addr.sin6_addr, &cfg->local_ip6,
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sizeof(udp6_addr.sin6_addr));
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udp6_addr.sin6_port = cfg->local_udp_port;
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err = kernel_bind(sock, (struct sockaddr *)&udp6_addr,
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sizeof(udp6_addr));
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if (err < 0)
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goto error;
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if (cfg->peer_udp_port) {
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memset(&udp6_addr, 0, sizeof(udp6_addr));
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udp6_addr.sin6_family = AF_INET6;
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memcpy(&udp6_addr.sin6_addr, &cfg->peer_ip6,
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sizeof(udp6_addr.sin6_addr));
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udp6_addr.sin6_port = cfg->peer_udp_port;
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err = kernel_connect(sock,
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(struct sockaddr *)&udp6_addr,
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sizeof(udp6_addr), 0);
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}
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if (err < 0)
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goto error;
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udp_set_no_check6_tx(sock->sk, !cfg->use_udp6_tx_checksums);
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udp_set_no_check6_rx(sock->sk, !cfg->use_udp6_rx_checksums);
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*sockp = sock;
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return 0;
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error:
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if (sock) {
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kernel_sock_shutdown(sock, SHUT_RDWR);
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sock_release(sock);
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}
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*sockp = NULL;
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return err;
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}
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EXPORT_SYMBOL_GPL(udp_sock_create6);
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int udp_tunnel6_xmit_skb(struct dst_entry *dst, struct sock *sk,
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struct sk_buff *skb,
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struct net_device *dev, struct in6_addr *saddr,
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struct in6_addr *daddr,
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__u8 prio, __u8 ttl, __be32 label,
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__be16 src_port, __be16 dst_port, bool nocheck)
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{
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struct udphdr *uh;
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struct ipv6hdr *ip6h;
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__skb_push(skb, sizeof(*uh));
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skb_reset_transport_header(skb);
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uh = udp_hdr(skb);
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uh->dest = dst_port;
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uh->source = src_port;
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uh->len = htons(skb->len);
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skb_dst_set(skb, dst);
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udp6_set_csum(nocheck, skb, saddr, daddr, skb->len);
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__skb_push(skb, sizeof(*ip6h));
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skb_reset_network_header(skb);
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ip6h = ipv6_hdr(skb);
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ip6_flow_hdr(ip6h, prio, label);
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ip6h->payload_len = htons(skb->len);
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ip6h->nexthdr = IPPROTO_UDP;
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ip6h->hop_limit = ttl;
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ip6h->daddr = *daddr;
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ip6h->saddr = *saddr;
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ip6tunnel_xmit(sk, skb, dev);
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return 0;
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}
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EXPORT_SYMBOL_GPL(udp_tunnel6_xmit_skb);
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MODULE_LICENSE("GPL");
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