diff --git a/Makefile b/Makefile index 54f1bc10b531..13566ad7863a 100644 --- a/Makefile +++ b/Makefile @@ -1,7 +1,7 @@ # SPDX-License-Identifier: GPL-2.0 VERSION = 4 PATCHLEVEL = 15 -SUBLEVEL = 2 +SUBLEVEL = 3 EXTRAVERSION = NAME = Fearless Coyote diff --git a/crypto/tcrypt.c b/crypto/tcrypt.c index 9267cbdb14d2..3ced1ba1fd11 100644 --- a/crypto/tcrypt.c +++ b/crypto/tcrypt.c @@ -198,11 +198,13 @@ static void sg_init_aead(struct scatterlist *sg, char *xbuf[XBUFSIZE], } sg_init_table(sg, np + 1); - np--; + if (rem) + np--; for (k = 0; k < np; k++) sg_set_buf(&sg[k + 1], xbuf[k], PAGE_SIZE); - sg_set_buf(&sg[k + 1], xbuf[k], rem); + if (rem) + sg_set_buf(&sg[k + 1], xbuf[k], rem); } static void test_aead_speed(const char *algo, int enc, unsigned int secs, diff --git a/drivers/gpio/gpio-uniphier.c b/drivers/gpio/gpio-uniphier.c index 016d7427ebfa..761d8279abca 100644 --- a/drivers/gpio/gpio-uniphier.c +++ b/drivers/gpio/gpio-uniphier.c @@ -505,4 +505,4 @@ module_platform_driver(uniphier_gpio_driver); MODULE_AUTHOR("Masahiro Yamada <yamada.masahiro@xxxxxxxxxxxxx>"); MODULE_DESCRIPTION("UniPhier GPIO driver"); -MODULE_LICENSE("GPL"); +MODULE_LICENSE("GPL v2"); diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_util.c b/drivers/media/platform/mtk-vcodec/mtk_vcodec_util.c index 46768c056193..0c28d0b995cc 100644 --- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_util.c +++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_util.c @@ -115,3 +115,6 @@ struct mtk_vcodec_ctx *mtk_vcodec_get_curr_ctx(struct mtk_vcodec_dev *dev) return ctx; } EXPORT_SYMBOL(mtk_vcodec_get_curr_ctx); + +MODULE_LICENSE("GPL v2"); +MODULE_DESCRIPTION("Mediatek video codec driver"); diff --git a/drivers/media/platform/soc_camera/soc_scale_crop.c b/drivers/media/platform/soc_camera/soc_scale_crop.c index 270ec613c27c..6164102e6f9f 100644 --- a/drivers/media/platform/soc_camera/soc_scale_crop.c +++ b/drivers/media/platform/soc_camera/soc_scale_crop.c @@ -420,3 +420,7 @@ void soc_camera_calc_client_output(struct soc_camera_device *icd, mf->height = soc_camera_shift_scale(rect->height, shift, scale_v); } EXPORT_SYMBOL(soc_camera_calc_client_output); + +MODULE_DESCRIPTION("soc-camera scaling-cropping functions"); +MODULE_AUTHOR("Guennadi Liakhovetski <kernel@xxxxxxxxxxxxxx>"); +MODULE_LICENSE("GPL"); diff --git a/drivers/media/platform/tegra-cec/tegra_cec.c b/drivers/media/platform/tegra-cec/tegra_cec.c index 807c94c70049..92f93a880015 100644 --- a/drivers/media/platform/tegra-cec/tegra_cec.c +++ b/drivers/media/platform/tegra-cec/tegra_cec.c @@ -493,3 +493,8 @@ static struct platform_driver tegra_cec_driver = { }; module_platform_driver(tegra_cec_driver); + +MODULE_DESCRIPTION("Tegra HDMI CEC driver"); +MODULE_AUTHOR("NVIDIA CORPORATION"); +MODULE_AUTHOR("Cisco Systems, Inc. and/or its affiliates"); +MODULE_LICENSE("GPL v2"); diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.c index f7080d0ab874..46b0372dd032 100644 --- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.c +++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.c @@ -3891,7 +3891,7 @@ static void qlcnic_83xx_flush_mbx_queue(struct qlcnic_adapter *adapter) struct list_head *head = &mbx->cmd_q; struct qlcnic_cmd_args *cmd = NULL; - spin_lock(&mbx->queue_lock); + spin_lock_bh(&mbx->queue_lock); while (!list_empty(head)) { cmd = list_entry(head->next, struct qlcnic_cmd_args, list); @@ -3902,7 +3902,7 @@ static void qlcnic_83xx_flush_mbx_queue(struct qlcnic_adapter *adapter) qlcnic_83xx_notify_cmd_completion(adapter, cmd); } - spin_unlock(&mbx->queue_lock); + spin_unlock_bh(&mbx->queue_lock); } static int qlcnic_83xx_check_mbx_status(struct qlcnic_adapter *adapter) @@ -3938,12 +3938,12 @@ static void qlcnic_83xx_dequeue_mbx_cmd(struct qlcnic_adapter *adapter, { struct qlcnic_mailbox *mbx = adapter->ahw->mailbox; - spin_lock(&mbx->queue_lock); + spin_lock_bh(&mbx->queue_lock); list_del(&cmd->list); mbx->num_cmds--; - spin_unlock(&mbx->queue_lock); + spin_unlock_bh(&mbx->queue_lock); qlcnic_83xx_notify_cmd_completion(adapter, cmd); } @@ -4008,7 +4008,7 @@ static int qlcnic_83xx_enqueue_mbx_cmd(struct qlcnic_adapter *adapter, init_completion(&cmd->completion); cmd->rsp_opcode = QLC_83XX_MBX_RESPONSE_UNKNOWN; - spin_lock(&mbx->queue_lock); + spin_lock_bh(&mbx->queue_lock); list_add_tail(&cmd->list, &mbx->cmd_q); mbx->num_cmds++; @@ -4016,7 +4016,7 @@ static int qlcnic_83xx_enqueue_mbx_cmd(struct qlcnic_adapter *adapter, *timeout = cmd->total_cmds * QLC_83XX_MBX_TIMEOUT; queue_work(mbx->work_q, &mbx->work); - spin_unlock(&mbx->queue_lock); + spin_unlock_bh(&mbx->queue_lock); return 0; } @@ -4112,15 +4112,15 @@ static void qlcnic_83xx_mailbox_worker(struct work_struct *work) mbx->rsp_status = QLC_83XX_MBX_RESPONSE_WAIT; spin_unlock_irqrestore(&mbx->aen_lock, flags); - spin_lock(&mbx->queue_lock); + spin_lock_bh(&mbx->queue_lock); if (list_empty(head)) { - spin_unlock(&mbx->queue_lock); + spin_unlock_bh(&mbx->queue_lock); return; } cmd = list_entry(head->next, struct qlcnic_cmd_args, list); - spin_unlock(&mbx->queue_lock); + spin_unlock_bh(&mbx->queue_lock); mbx_ops->encode_cmd(adapter, cmd); mbx_ops->nofity_fw(adapter, QLC_83XX_MBX_REQUEST); diff --git a/drivers/net/ethernet/realtek/r8169.c b/drivers/net/ethernet/realtek/r8169.c index 734286ebe5ef..dd713dff8d22 100644 --- a/drivers/net/ethernet/realtek/r8169.c +++ b/drivers/net/ethernet/realtek/r8169.c @@ -1395,7 +1395,7 @@ DECLARE_RTL_COND(rtl_ocp_tx_cond) { void __iomem *ioaddr = tp->mmio_addr; - return RTL_R8(IBISR0) & 0x02; + return RTL_R8(IBISR0) & 0x20; } static void rtl8168ep_stop_cmac(struct rtl8169_private *tp) @@ -1403,7 +1403,7 @@ static void rtl8168ep_stop_cmac(struct rtl8169_private *tp) void __iomem *ioaddr = tp->mmio_addr; RTL_W8(IBCR2, RTL_R8(IBCR2) & ~0x01); - rtl_msleep_loop_wait_low(tp, &rtl_ocp_tx_cond, 50, 2000); + rtl_msleep_loop_wait_high(tp, &rtl_ocp_tx_cond, 50, 2000); RTL_W8(IBISR0, RTL_R8(IBISR0) | 0x20); RTL_W8(IBCR0, RTL_R8(IBCR0) & ~0x01); } diff --git a/drivers/net/ethernet/rocker/rocker_main.c b/drivers/net/ethernet/rocker/rocker_main.c index fc8f8bdf6579..056cb6093630 100644 --- a/drivers/net/ethernet/rocker/rocker_main.c +++ b/drivers/net/ethernet/rocker/rocker_main.c @@ -2902,6 +2902,12 @@ static int rocker_probe(struct pci_dev *pdev, const struct pci_device_id *id) goto err_alloc_ordered_workqueue; } + err = rocker_probe_ports(rocker); + if (err) { + dev_err(&pdev->dev, "failed to probe ports\n"); + goto err_probe_ports; + } + /* Only FIBs pointing to our own netdevs are programmed into * the device, so no need to pass a callback. */ @@ -2918,22 +2924,16 @@ static int rocker_probe(struct pci_dev *pdev, const struct pci_device_id *id) rocker->hw.id = rocker_read64(rocker, SWITCH_ID); - err = rocker_probe_ports(rocker); - if (err) { - dev_err(&pdev->dev, "failed to probe ports\n"); - goto err_probe_ports; - } - dev_info(&pdev->dev, "Rocker switch with id %*phN\n", (int)sizeof(rocker->hw.id), &rocker->hw.id); return 0; -err_probe_ports: - unregister_switchdev_notifier(&rocker_switchdev_notifier); err_register_switchdev_notifier: unregister_fib_notifier(&rocker->fib_nb); err_register_fib_notifier: + rocker_remove_ports(rocker); +err_probe_ports: destroy_workqueue(rocker->rocker_owq); err_alloc_ordered_workqueue: free_irq(rocker_msix_vector(rocker, ROCKER_MSIX_VEC_EVENT), rocker); @@ -2961,9 +2961,9 @@ static void rocker_remove(struct pci_dev *pdev) { struct rocker *rocker = pci_get_drvdata(pdev); - rocker_remove_ports(rocker); unregister_switchdev_notifier(&rocker_switchdev_notifier); unregister_fib_notifier(&rocker->fib_nb); + rocker_remove_ports(rocker); rocker_write32(rocker, CONTROL, ROCKER_CONTROL_RESET); destroy_workqueue(rocker->rocker_owq); free_irq(rocker_msix_vector(rocker, ROCKER_MSIX_VEC_EVENT), rocker); diff --git a/drivers/net/usb/qmi_wwan.c b/drivers/net/usb/qmi_wwan.c index 728819feab44..e7114c34fe4b 100644 --- a/drivers/net/usb/qmi_wwan.c +++ b/drivers/net/usb/qmi_wwan.c @@ -1245,6 +1245,7 @@ static const struct usb_device_id products[] = { {QMI_QUIRK_SET_DTR(0x2c7c, 0x0125, 4)}, /* Quectel EC25, EC20 R2.0 Mini PCIe */ {QMI_QUIRK_SET_DTR(0x2c7c, 0x0121, 4)}, /* Quectel EC21 Mini PCIe */ {QMI_FIXED_INTF(0x2c7c, 0x0296, 4)}, /* Quectel BG96 */ + {QMI_QUIRK_SET_DTR(0x2c7c, 0x0306, 4)}, /* Quectel EP06 Mini PCIe */ /* 4. Gobi 1000 devices */ {QMI_GOBI1K_DEVICE(0x05c6, 0x9212)}, /* Acer Gobi Modem Device */ diff --git a/drivers/vhost/net.c b/drivers/vhost/net.c index c7bdeb655646..5636c7ca8eba 100644 --- a/drivers/vhost/net.c +++ b/drivers/vhost/net.c @@ -1208,6 +1208,7 @@ static long vhost_net_reset_owner(struct vhost_net *n) } vhost_net_stop(n, &tx_sock, &rx_sock); vhost_net_flush(n); + vhost_dev_stop(&n->dev); vhost_dev_reset_owner(&n->dev, umem); vhost_net_vq_reset(n); done: diff --git a/include/net/sch_generic.h b/include/net/sch_generic.h index becf86aa4ac6..d6ec5a5a6782 100644 --- a/include/net/sch_generic.h +++ b/include/net/sch_generic.h @@ -280,7 +280,6 @@ struct tcf_block { struct net *net; struct Qdisc *q; struct list_head cb_list; - struct work_struct work; }; static inline void qdisc_cb_private_validate(const struct sk_buff *skb, int sz) diff --git a/mm/memcontrol.c b/mm/memcontrol.c index ac2ffd5e02b9..0a78ce57872d 100644 --- a/mm/memcontrol.c +++ b/mm/memcontrol.c @@ -5828,6 +5828,20 @@ void mem_cgroup_sk_alloc(struct sock *sk) if (!mem_cgroup_sockets_enabled) return; + /* + * Socket cloning can throw us here with sk_memcg already + * filled. It won't however, necessarily happen from + * process context. So the test for root memcg given + * the current task's memcg won't help us in this case. + * + * Respecting the original socket's memcg is a better + * decision in this case. + */ + if (sk->sk_memcg) { + css_get(&sk->sk_memcg->css); + return; + } + rcu_read_lock(); memcg = mem_cgroup_from_task(current); if (memcg == root_mem_cgroup) diff --git a/net/core/sock.c b/net/core/sock.c index c0b5b2f17412..7571dabfc4cf 100644 --- a/net/core/sock.c +++ b/net/core/sock.c @@ -1675,16 +1675,13 @@ struct sock *sk_clone_lock(const struct sock *sk, const gfp_t priority) newsk->sk_dst_pending_confirm = 0; newsk->sk_wmem_queued = 0; newsk->sk_forward_alloc = 0; - - /* sk->sk_memcg will be populated at accept() time */ - newsk->sk_memcg = NULL; - atomic_set(&newsk->sk_drops, 0); newsk->sk_send_head = NULL; newsk->sk_userlocks = sk->sk_userlocks & ~SOCK_BINDPORT_LOCK; atomic_set(&newsk->sk_zckey, 0); sock_reset_flag(newsk, SOCK_DONE); + mem_cgroup_sk_alloc(newsk); cgroup_sk_alloc(&newsk->sk_cgrp_data); rcu_read_lock(); diff --git a/net/core/sock_reuseport.c b/net/core/sock_reuseport.c index 5eeb1d20cc38..676092d7bd81 100644 --- a/net/core/sock_reuseport.c +++ b/net/core/sock_reuseport.c @@ -94,6 +94,16 @@ static struct sock_reuseport *reuseport_grow(struct sock_reuseport *reuse) return more_reuse; } +static void reuseport_free_rcu(struct rcu_head *head) +{ + struct sock_reuseport *reuse; + + reuse = container_of(head, struct sock_reuseport, rcu); + if (reuse->prog) + bpf_prog_destroy(reuse->prog); + kfree(reuse); +} + /** * reuseport_add_sock - Add a socket to the reuseport group of another. * @sk: New socket to add to the group. @@ -102,7 +112,7 @@ static struct sock_reuseport *reuseport_grow(struct sock_reuseport *reuse) */ int reuseport_add_sock(struct sock *sk, struct sock *sk2) { - struct sock_reuseport *reuse; + struct sock_reuseport *old_reuse, *reuse; if (!rcu_access_pointer(sk2->sk_reuseport_cb)) { int err = reuseport_alloc(sk2); @@ -113,10 +123,13 @@ int reuseport_add_sock(struct sock *sk, struct sock *sk2) spin_lock_bh(&reuseport_lock); reuse = rcu_dereference_protected(sk2->sk_reuseport_cb, - lockdep_is_held(&reuseport_lock)), - WARN_ONCE(rcu_dereference_protected(sk->sk_reuseport_cb, - lockdep_is_held(&reuseport_lock)), - "socket already in reuseport group"); + lockdep_is_held(&reuseport_lock)); + old_reuse = rcu_dereference_protected(sk->sk_reuseport_cb, + lockdep_is_held(&reuseport_lock)); + if (old_reuse && old_reuse->num_socks != 1) { + spin_unlock_bh(&reuseport_lock); + return -EBUSY; + } if (reuse->num_socks == reuse->max_socks) { reuse = reuseport_grow(reuse); @@ -134,19 +147,11 @@ int reuseport_add_sock(struct sock *sk, struct sock *sk2) spin_unlock_bh(&reuseport_lock); + if (old_reuse) + call_rcu(&old_reuse->rcu, reuseport_free_rcu); return 0; } -static void reuseport_free_rcu(struct rcu_head *head) -{ - struct sock_reuseport *reuse; - - reuse = container_of(head, struct sock_reuseport, rcu); - if (reuse->prog) - bpf_prog_destroy(reuse->prog); - kfree(reuse); -} - void reuseport_detach_sock(struct sock *sk) { struct sock_reuseport *reuse; diff --git a/net/ipv4/igmp.c b/net/ipv4/igmp.c index 2d49717a7421..f0b1fc35dde1 100644 --- a/net/ipv4/igmp.c +++ b/net/ipv4/igmp.c @@ -386,7 +386,11 @@ static struct sk_buff *igmpv3_newpack(struct net_device *dev, unsigned int mtu) pip->frag_off = htons(IP_DF); pip->ttl = 1; pip->daddr = fl4.daddr; + + rcu_read_lock(); pip->saddr = igmpv3_get_srcaddr(dev, &fl4); + rcu_read_unlock(); + pip->protocol = IPPROTO_IGMP; pip->tot_len = 0; /* filled in later */ ip_select_ident(net, skb, NULL); diff --git a/net/ipv4/inet_connection_sock.c b/net/ipv4/inet_connection_sock.c index 4ca46dc08e63..3668c4182655 100644 --- a/net/ipv4/inet_connection_sock.c +++ b/net/ipv4/inet_connection_sock.c @@ -475,7 +475,6 @@ struct sock *inet_csk_accept(struct sock *sk, int flags, int *err, bool kern) } spin_unlock_bh(&queue->fastopenq.lock); } - mem_cgroup_sk_alloc(newsk); out: release_sock(sk); if (req) diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c index 8e053ad7cae2..c821f5d68720 100644 --- a/net/ipv4/tcp.c +++ b/net/ipv4/tcp.c @@ -2434,6 +2434,12 @@ int tcp_disconnect(struct sock *sk, int flags) WARN_ON(inet->inet_num && !icsk->icsk_bind_hash); + if (sk->sk_frag.page) { + put_page(sk->sk_frag.page); + sk->sk_frag.page = NULL; + sk->sk_frag.offset = 0; + } + sk->sk_error_report(sk); return err; } diff --git a/net/ipv4/tcp_bbr.c b/net/ipv4/tcp_bbr.c index 8322f26e770e..25c5a0b60cfc 100644 --- a/net/ipv4/tcp_bbr.c +++ b/net/ipv4/tcp_bbr.c @@ -481,7 +481,8 @@ static void bbr_advance_cycle_phase(struct sock *sk) bbr->cycle_idx = (bbr->cycle_idx + 1) & (CYCLE_LEN - 1); bbr->cycle_mstamp = tp->delivered_mstamp; - bbr->pacing_gain = bbr_pacing_gain[bbr->cycle_idx]; + bbr->pacing_gain = bbr->lt_use_bw ? BBR_UNIT : + bbr_pacing_gain[bbr->cycle_idx]; } /* Gain cycling: cycle pacing gain to converge to fair share of available bw. */ @@ -490,8 +491,7 @@ static void bbr_update_cycle_phase(struct sock *sk, { struct bbr *bbr = inet_csk_ca(sk); - if ((bbr->mode == BBR_PROBE_BW) && !bbr->lt_use_bw && - bbr_is_next_cycle_phase(sk, rs)) + if (bbr->mode == BBR_PROBE_BW && bbr_is_next_cycle_phase(sk, rs)) bbr_advance_cycle_phase(sk); } diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c index f49bd7897e95..2547222589fe 100644 --- a/net/ipv6/addrconf.c +++ b/net/ipv6/addrconf.c @@ -186,7 +186,8 @@ static struct rt6_info *addrconf_get_prefix_route(const struct in6_addr *pfx, static void addrconf_dad_start(struct inet6_ifaddr *ifp); static void addrconf_dad_work(struct work_struct *w); -static void addrconf_dad_completed(struct inet6_ifaddr *ifp, bool bump_id); +static void addrconf_dad_completed(struct inet6_ifaddr *ifp, bool bump_id, + bool send_na); static void addrconf_dad_run(struct inet6_dev *idev); static void addrconf_rs_timer(struct timer_list *t); static void __ipv6_ifa_notify(int event, struct inet6_ifaddr *ifa); @@ -3833,12 +3834,17 @@ static void addrconf_dad_begin(struct inet6_ifaddr *ifp) idev->cnf.accept_dad < 1) || !(ifp->flags&IFA_F_TENTATIVE) || ifp->flags & IFA_F_NODAD) { + bool send_na = false; + + if (ifp->flags & IFA_F_TENTATIVE && + !(ifp->flags & IFA_F_OPTIMISTIC)) + send_na = true; bump_id = ifp->flags & IFA_F_TENTATIVE; ifp->flags &= ~(IFA_F_TENTATIVE|IFA_F_OPTIMISTIC|IFA_F_DADFAILED); spin_unlock(&ifp->lock); read_unlock_bh(&idev->lock); - addrconf_dad_completed(ifp, bump_id); + addrconf_dad_completed(ifp, bump_id, send_na); return; } @@ -3967,16 +3973,21 @@ static void addrconf_dad_work(struct work_struct *w) } if (ifp->dad_probes == 0) { + bool send_na = false; + /* * DAD was successful */ + if (ifp->flags & IFA_F_TENTATIVE && + !(ifp->flags & IFA_F_OPTIMISTIC)) + send_na = true; bump_id = ifp->flags & IFA_F_TENTATIVE; ifp->flags &= ~(IFA_F_TENTATIVE|IFA_F_OPTIMISTIC|IFA_F_DADFAILED); spin_unlock(&ifp->lock); write_unlock_bh(&idev->lock); - addrconf_dad_completed(ifp, bump_id); + addrconf_dad_completed(ifp, bump_id, send_na); goto out; } @@ -4014,7 +4025,8 @@ static bool ipv6_lonely_lladdr(struct inet6_ifaddr *ifp) return true; } -static void addrconf_dad_completed(struct inet6_ifaddr *ifp, bool bump_id) +static void addrconf_dad_completed(struct inet6_ifaddr *ifp, bool bump_id, + bool send_na) { struct net_device *dev = ifp->idev->dev; struct in6_addr lladdr; @@ -4046,6 +4058,16 @@ static void addrconf_dad_completed(struct inet6_ifaddr *ifp, bool bump_id) if (send_mld) ipv6_mc_dad_complete(ifp->idev); + /* send unsolicited NA if enabled */ + if (send_na && + (ifp->idev->cnf.ndisc_notify || + dev_net(dev)->ipv6.devconf_all->ndisc_notify)) { + ndisc_send_na(dev, &in6addr_linklocal_allnodes, &ifp->addr, + /*router=*/ !!ifp->idev->cnf.forwarding, + /*solicited=*/ false, /*override=*/ true, + /*inc_opt=*/ true); + } + if (send_rs) { /* * If a host as already performed a random delay @@ -4352,9 +4374,11 @@ static void addrconf_verify_rtnl(void) spin_lock(&ifpub->lock); ifpub->regen_count = 0; spin_unlock(&ifpub->lock); + rcu_read_unlock_bh(); ipv6_create_tempaddr(ifpub, ifp, true); in6_ifa_put(ifpub); in6_ifa_put(ifp); + rcu_read_lock_bh(); goto restart; } } else if (time_before(ifp->tstamp + ifp->prefered_lft * HZ - regen_advance * HZ, next)) diff --git a/net/ipv6/af_inet6.c b/net/ipv6/af_inet6.c index c9441ca45399..416917719a6f 100644 --- a/net/ipv6/af_inet6.c +++ b/net/ipv6/af_inet6.c @@ -284,6 +284,7 @@ int inet6_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len) struct net *net = sock_net(sk); __be32 v4addr = 0; unsigned short snum; + bool saved_ipv6only; int addr_type = 0; int err = 0; @@ -389,19 +390,21 @@ int inet6_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len) if (!(addr_type & IPV6_ADDR_MULTICAST)) np->saddr = addr->sin6_addr; + saved_ipv6only = sk->sk_ipv6only; + if (addr_type != IPV6_ADDR_ANY && addr_type != IPV6_ADDR_MAPPED) + sk->sk_ipv6only = 1; + /* Make sure we are allowed to bind here. */ if ((snum || !inet->bind_address_no_port) && sk->sk_prot->get_port(sk, snum)) { + sk->sk_ipv6only = saved_ipv6only; inet_reset_saddr(sk); err = -EADDRINUSE; goto out; } - if (addr_type != IPV6_ADDR_ANY) { + if (addr_type != IPV6_ADDR_ANY) sk->sk_userlocks |= SOCK_BINDADDR_LOCK; - if (addr_type != IPV6_ADDR_MAPPED) - sk->sk_ipv6only = 1; - } if (snum) sk->sk_userlocks |= SOCK_BINDPORT_LOCK; inet->inet_sport = htons(inet->inet_num); diff --git a/net/ipv6/ip6mr.c b/net/ipv6/ip6mr.c index a2e1a864eb46..4fc566ec7e79 100644 --- a/net/ipv6/ip6mr.c +++ b/net/ipv6/ip6mr.c @@ -495,6 +495,7 @@ static void *ipmr_mfc_seq_start(struct seq_file *seq, loff_t *pos) return ERR_PTR(-ENOENT); it->mrt = mrt; + it->cache = NULL; return *pos ? ipmr_mfc_seq_idx(net, seq->private, *pos - 1) : SEQ_START_TOKEN; } diff --git a/net/ipv6/ndisc.c b/net/ipv6/ndisc.c index b3cea200c85e..f61a5b613b52 100644 --- a/net/ipv6/ndisc.c +++ b/net/ipv6/ndisc.c @@ -566,6 +566,11 @@ static void ndisc_send_unsol_na(struct net_device *dev) read_lock_bh(&idev->lock); list_for_each_entry(ifa, &idev->addr_list, if_list) { + /* skip tentative addresses until dad completes */ + if (ifa->flags & IFA_F_TENTATIVE && + !(ifa->flags & IFA_F_OPTIMISTIC)) + continue; + ndisc_send_na(dev, &in6addr_linklocal_allnodes, &ifa->addr, /*router=*/ !!idev->cnf.forwarding, /*solicited=*/ false, /*override=*/ true, diff --git a/net/ipv6/route.c b/net/ipv6/route.c index 0458b761f3c5..a560fb1d0230 100644 --- a/net/ipv6/route.c +++ b/net/ipv6/route.c @@ -1586,12 +1586,19 @@ static void rt6_age_examine_exception(struct rt6_exception_bucket *bucket, * EXPIRES exceptions - e.g. pmtu-generated ones are pruned when * expired, independently from their aging, as per RFC 8201 section 4 */ - if (!(rt->rt6i_flags & RTF_EXPIRES) && - time_after_eq(now, rt->dst.lastuse + gc_args->timeout)) { - RT6_TRACE("aging clone %p\n", rt); + if (!(rt->rt6i_flags & RTF_EXPIRES)) { + if (time_after_eq(now, rt->dst.lastuse + gc_args->timeout)) { + RT6_TRACE("aging clone %p\n", rt); + rt6_remove_exception(bucket, rt6_ex); + return; + } + } else if (time_after(jiffies, rt->dst.expires)) { + RT6_TRACE("purging expired route %p\n", rt); rt6_remove_exception(bucket, rt6_ex); return; - } else if (rt->rt6i_flags & RTF_GATEWAY) { + } + + if (rt->rt6i_flags & RTF_GATEWAY) { struct neighbour *neigh; __u8 neigh_flags = 0; @@ -1606,11 +1613,8 @@ static void rt6_age_examine_exception(struct rt6_exception_bucket *bucket, rt6_remove_exception(bucket, rt6_ex); return; } - } else if (__rt6_check_expired(rt)) { - RT6_TRACE("purging expired route %p\n", rt); - rt6_remove_exception(bucket, rt6_ex); - return; } + gc_args->more++; } diff --git a/net/sched/cls_api.c b/net/sched/cls_api.c index b9d63d2246e6..e6b853f0ee4f 100644 --- a/net/sched/cls_api.c +++ b/net/sched/cls_api.c @@ -217,8 +217,12 @@ static void tcf_chain_flush(struct tcf_chain *chain) static void tcf_chain_destroy(struct tcf_chain *chain) { + struct tcf_block *block = chain->block; + list_del(&chain->list); kfree(chain); + if (list_empty(&block->chain_list)) + kfree(block); } static void tcf_chain_hold(struct tcf_chain *chain) @@ -329,49 +333,34 @@ int tcf_block_get(struct tcf_block **p_block, } EXPORT_SYMBOL(tcf_block_get); -static void tcf_block_put_final(struct work_struct *work) -{ - struct tcf_block *block = container_of(work, struct tcf_block, work); - struct tcf_chain *chain, *tmp; - - rtnl_lock(); - - /* At this point, all the chains should have refcnt == 1. */ - list_for_each_entry_safe(chain, tmp, &block->chain_list, list) - tcf_chain_put(chain); - rtnl_unlock(); - kfree(block); -} - /* XXX: Standalone actions are not allowed to jump to any chain, and bound * actions should be all removed after flushing. */ void tcf_block_put_ext(struct tcf_block *block, struct Qdisc *q, struct tcf_block_ext_info *ei) { - struct tcf_chain *chain; + struct tcf_chain *chain, *tmp; if (!block) return; - /* Hold a refcnt for all chains, except 0, so that they don't disappear + /* Hold a refcnt for all chains, so that they don't disappear * while we are iterating. */ list_for_each_entry(chain, &block->chain_list, list) - if (chain->index) - tcf_chain_hold(chain); + tcf_chain_hold(chain); list_for_each_entry(chain, &block->chain_list, list) tcf_chain_flush(chain); tcf_block_offload_unbind(block, q, ei); - INIT_WORK(&block->work, tcf_block_put_final); - /* Wait for existing RCU callbacks to cool down, make sure their works - * have been queued before this. We can not flush pending works here - * because we are holding the RTNL lock. - */ - rcu_barrier(); - tcf_queue_work(&block->work); + /* At this point, all the chains should have refcnt >= 1. */ + list_for_each_entry_safe(chain, tmp, &block->chain_list, list) + tcf_chain_put(chain); + + /* Finally, put chain 0 and allow block to be freed. */ + chain = list_first_entry(&block->chain_list, struct tcf_chain, list); + tcf_chain_put(chain); } EXPORT_SYMBOL(tcf_block_put_ext); diff --git a/net/sched/cls_u32.c b/net/sched/cls_u32.c index 507859cdd1cb..33294b5b2c6a 100644 --- a/net/sched/cls_u32.c +++ b/net/sched/cls_u32.c @@ -544,6 +544,7 @@ static void u32_remove_hw_knode(struct tcf_proto *tp, u32 handle) static int u32_replace_hw_knode(struct tcf_proto *tp, struct tc_u_knode *n, u32 flags) { + struct tc_u_hnode *ht = rtnl_dereference(n->ht_down); struct tcf_block *block = tp->chain->block; struct tc_cls_u32_offload cls_u32 = {}; bool skip_sw = tc_skip_sw(flags); @@ -563,7 +564,7 @@ static int u32_replace_hw_knode(struct tcf_proto *tp, struct tc_u_knode *n, cls_u32.knode.sel = &n->sel; cls_u32.knode.exts = &n->exts; if (n->ht_down) - cls_u32.knode.link_handle = n->ht_down->handle; + cls_u32.knode.link_handle = ht->handle; err = tc_setup_cb_call(block, NULL, TC_SETUP_CLSU32, &cls_u32, skip_sw); if (err < 0) { @@ -840,8 +841,9 @@ static void u32_replace_knode(struct tcf_proto *tp, struct tc_u_common *tp_c, static struct tc_u_knode *u32_init_knode(struct tcf_proto *tp, struct tc_u_knode *n) { - struct tc_u_knode *new; + struct tc_u_hnode *ht = rtnl_dereference(n->ht_down); struct tc_u32_sel *s = &n->sel; + struct tc_u_knode *new; new = kzalloc(sizeof(*n) + s->nkeys*sizeof(struct tc_u32_key), GFP_KERNEL); @@ -859,11 +861,11 @@ static struct tc_u_knode *u32_init_knode(struct tcf_proto *tp, new->fshift = n->fshift; new->res = n->res; new->flags = n->flags; - RCU_INIT_POINTER(new->ht_down, n->ht_down); + RCU_INIT_POINTER(new->ht_down, ht); /* bump reference count as long as we hold pointer to structure */ - if (new->ht_down) - new->ht_down->refcnt++; + if (ht) + ht->refcnt++; #ifdef CONFIG_CLS_U32_PERF /* Statistics may be incremented by readers during update