IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready ------------[ cut here ]------------ kernel BUG at ./include/linux/skbuff.h:1406! invalid opcode: 0000 [#1] PREEMPT SMP KASAN Modules linked in: CPU: 0 PID: 6736 Comm: syz-executor291 Not tainted 4.14.139 #35 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 task: ffff88808c98a640 task.stack: ffff8880894d8000 RIP: 0010:skb_queue_prev include/linux/skbuff.h:1406 [inline] RIP: 0010:tcp_write_queue_prev include/net/tcp.h:1653 [inline] RIP: 0010:tcp_write_queue_prev include/net/tcp.h:1650 [inline] RIP: 0010:tcp_rtx_queue_tail include/net/tcp.h:1708 [inline] RIP: 0010:tcp_fragment+0x12a7/0x13e0 net/ipv4/tcp_output.c:1284 RSP: 0018:ffff8880aee07c00 EFLAGS: 00010206 RAX: ffff88808c98a640 RBX: ffff88809530a0c0 RCX: 1ffff110119bf999 RDX: 0000000000000100 RSI: ffff88809530a0c0 RDI: ffff88809530a0c8 RBP: ffff8880aee07c58 R08: 0000000001080020 R09: ffff88809530a0e8 R10: ffff88821fff8010 R11: 0000000000000001 R12: 0000000000000000 R13: 0000000000001980 R14: ffff88808cdfccd0 R15: 0000000001080020 FS: 0000000002600880(0000) GS:ffff8880aee00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffc15f36bcc CR3: 0000000098247000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: tcp_write_wakeup+0x34c/0x5b0 net/ipv4/tcp_output.c:3708 tcp_send_probe0+0x4b/0x3fe net/ipv4/tcp_output.c:3736 tcp_probe_timer net/ipv4/tcp_timer.c:365 [inline] tcp_write_timer_handler+0x6da/0x7e0 net/ipv4/tcp_timer.c:583 tcp_write_timer+0xd8/0x180 net/ipv4/tcp_timer.c:597 call_timer_fn+0x161/0x670 kernel/time/timer.c:1279 expire_timers kernel/time/timer.c:1318 [inline] __run_timers kernel/time/timer.c:1634 [inline] __run_timers kernel/time/timer.c:1602 [inline] run_timer_softirq+0x5b4/0x1570 kernel/time/timer.c:1647 __do_softirq+0x244/0x9a0 kernel/softirq.c:288 invoke_softirq kernel/softirq.c:368 [inline] irq_exit+0x160/0x1b0 kernel/softirq.c:409 exiting_irq arch/x86/include/asm/apic.h:648 [inline] smp_apic_timer_interrupt+0x146/0x5e0 arch/x86/kernel/apic/apic.c:1064 apic_timer_interrupt+0x96/0xa0 arch/x86/entry/entry_64.S:792 RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:779 [inline] RIP: 0010:console_unlock+0x9f8/0xed0 kernel/printk/printk.c:2399 RSP: 0018:ffff8880894dee80 EFLAGS: 00000297 ORIG_RAX: ffffffffffffff10 RAX: ffff88808c98a640 RBX: 0000000000000200 RCX: 1ffff110119315e1 RDX: 0000000000000000 RSI: ffff88808c98aee8 RDI: 0000000000000297 RBP: ffff8880894def10 R08: ffff88808c98a640 R09: ffff88808c98af08 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: ffffffff83a6f210 R14: ffffffff87cea710 R15: dffffc0000000000 vprintk_emit kernel/printk/printk.c:1917 [inline] vprintk_emit+0x1f9/0x600 kernel/printk/printk.c:1882 vprintk_default+0x28/0x30 kernel/printk/printk.c:1957 vprintk_func+0x5d/0x159 kernel/printk/printk_safe.c:401 printk+0x9e/0xbc kernel/printk/printk.c:1990 addrconf_notify+0x1093/0x1b40 net/ipv6/addrconf.c:3411 notifier_call_chain+0x111/0x1b0 kernel/notifier.c:93 __raw_notifier_call_chain kernel/notifier.c:394 [inline] raw_notifier_call_chain+0x2e/0x40 kernel/notifier.c:401 call_netdevice_notifiers_info+0x56/0x70 net/core/dev.c:1671 call_netdevice_notifiers net/core/dev.c:1687 [inline] __dev_notify_flags+0xea/0x240 net/core/dev.c:6834 dev_change_flags+0xf7/0x140 net/core/dev.c:6867 do_setlink+0x929/0x2d50 net/core/rtnetlink.c:2071 rtnl_newlink+0x11a7/0x1700 net/core/rtnetlink.c:2630 rtnetlink_rcv_msg+0x3eb/0xb70 net/core/rtnetlink.c:4285 netlink_rcv_skb+0x14f/0x3c0 net/netlink/af_netlink.c:2432 rtnetlink_rcv+0x1d/0x30 net/core/rtnetlink.c:4297 netlink_unicast_kernel net/netlink/af_netlink.c:1286 [inline] netlink_unicast+0x45d/0x640 net/netlink/af_netlink.c:1312 netlink_sendmsg+0x7c4/0xc60 net/netlink/af_netlink.c:1877 sock_sendmsg_nosec net/socket.c:646 [inline] sock_sendmsg+0xce/0x110 net/socket.c:656 SYSC_sendto+0x206/0x310 net/socket.c:1763 SyS_sendto+0x40/0x50 net/socket.c:1731 do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x406813 RSP: 002b:00007ffce9418f68 EFLAGS: 00000246 ORIG_RAX: 000000000000002c RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000406813 RDX: 000000000000003c RSI: 00000000006dcd70 RDI: 0000000000000003 RBP: 0000000000000003 R08: 00007ffce9418f70 R09: 000000000000000c R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffce9419010 R13: 0000000000000000 R14: 00000000004afbf4 R15: 0000000000000000 Code: 3c 02 00 0f 85 4f 01 00 00 48 8b 45 d0 ba 00 00 00 00 4c 8b b0 58 02 00 00 4c 3b 75 c0 4c 0f 44 f2 e9 e6 fc ff ff e8 49 72 35 fc <0f> 0b e8 a2 1f 5f fc e9 31 fa ff ff 48 89 df e8 f5 1e 5f fc e9 RIP: skb_queue_prev include/linux/skbuff.h:1406 [inline] RSP: ffff8880aee07c00 RIP: tcp_write_queue_prev include/net/tcp.h:1653 [inline] RSP: ffff8880aee07c00 RIP: tcp_write_queue_prev include/net/tcp.h:1650 [inline] RSP: ffff8880aee07c00 RIP: tcp_rtx_queue_tail include/net/tcp.h:1708 [inline] RSP: ffff8880aee07c00 RIP: tcp_fragment+0x12a7/0x13e0 net/ipv4/tcp_output.c:1284 RSP: ffff8880aee07c00 ---[ end trace 41a2aa3fa8d72334 ]---