IPv6: ADDRCONF(NETDEV_UP): veth0_to_batadv: link is not ready IPv6: ADDRCONF(NETDEV_UP): veth1_to_batadv: link is not ready batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [syz-executor967:9351] Modules linked in: irq event stamp: 4265091 hardirqs last enabled at (4265090): [] restore_regs_and_return_to_kernel+0x0/0x2a hardirqs last disabled at (4265091): [] apic_timer_interrupt+0x8e/0xa0 arch/x86/entry/entry_64.S:793 softirqs last enabled at (0): [] copy_process.part.0+0x12d0/0x71c0 kernel/fork.c:1734 softirqs last disabled at (511): [] invoke_softirq kernel/softirq.c:368 [inline] softirqs last disabled at (511): [] irq_exit+0x193/0x240 kernel/softirq.c:409 CPU: 0 PID: 9351 Comm: syz-executor967 Not tainted 4.14.257-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 task: ffff8880a0e44400 task.stack: ffff8880a0cc0000 RIP: 0010:queued_write_lock_slowpath+0x95/0x1d0 kernel/locking/qrwlock.c:130 RSP: 0018:ffff8880ba4077b8 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff10 RAX: 00000000000000ff RBX: ffffffff89d91410 RCX: 00000000000031e7 RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffffffff89d91410 watchdog: BUG: soft lockup - CPU#1 stuck for 22s! [syz-executor967:9355] RBP: ffffffff89d91414 R08: ffffffff8b9b69f8 R09: 00000000000421a4 R10: ffff8880a0e44d00 R11: ffff8880a0e44400 R12: fffffbfff13b2282 Modules linked in: R13: 0000000000000001 R14: 0000000000000000 R15: ffff8880a2097e00 FS: 00005555558b7300(0000) GS:ffff8880ba400000(0000) knlGS:0000000000000000 irq event stamp: 4805685 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fb349f5f150 CR3: 000000009f843000 CR4: 00000000003406f0 hardirqs last enabled at (4805684): [] restore_regs_and_return_to_kernel+0x0/0x2a DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 hardirqs last disabled at (4805685): [] apic_timer_interrupt+0x8e/0xa0 arch/x86/entry/entry_64.S:793 softirqs last enabled at (0): [] copy_process.part.0+0x12d0/0x71c0 kernel/fork.c:1734 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 softirqs last disabled at (591): [] invoke_softirq kernel/softirq.c:368 [inline] softirqs last disabled at (591): [] irq_exit+0x193/0x240 kernel/softirq.c:409 Call Trace: CPU: 1 PID: 9355 Comm: syz-executor967 Not tainted 4.14.257-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 queued_write_lock include/asm-generic/qrwlock.h:134 [inline] do_raw_write_lock+0xc2/0x1d0 kernel/locking/spinlock_debug.c:203 task: ffff88809f9c4500 task.stack: ffff88809fdd0000 neigh_forced_gc net/core/neighbour.c:176 [inline] neigh_alloc net/core/neighbour.c:315 [inline] __neigh_create+0xb34/0x19b0 net/core/neighbour.c:499 RIP: 0010:neigh_destroy+0x268/0x460 net/core/neighbour.c:753 RSP: 0018:ffff8880ba507770 EFLAGS: 00000246 ip6_finish_output2+0x802/0x1f10 net/ipv6/ip6_output.c:117 ORIG_RAX: ffffffffffffff10 RAX: dffffc0000000000 RBX: ffffffff88687200 RCX: 1ffff11013f389c9 RDX: 1ffff1101662d5ae RSI: ffff88809f9c4e28 RDI: ffff8880b316ad70 ip6_finish_output+0x5c6/0xd50 net/ipv6/ip6_output.c:192 RBP: ffff8880936db240 R08: ffffffff8b9c15c8 R09: 0000000000000000 NF_HOOK_COND include/linux/netfilter.h:239 [inline] ip6_output+0x1c5/0x660 net/ipv6/ip6_output.c:209 R10: 0000000000000000 R11: 0000000000000000 R12: ffff8880936db2a8 R13: ffff8880b316ab80 R14: ffffffff89d911c0 R15: ffff8880936db2a8 FS: 00005555558b7300(0000) GS:ffff8880ba500000(0000) knlGS:0000000000000000 dst_output include/net/dst.h:470 [inline] NF_HOOK include/linux/netfilter.h:250 [inline] ndisc_send_skb+0x82a/0x1390 net/ipv6/ndisc.c:483 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffe10769b9c CR3: 000000009f663000 CR4: 00000000003406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ndisc_send_rs+0x125/0x630 net/ipv6/ndisc.c:677 neigh_release include/net/neighbour.h:416 [inline] neigh_cleanup_and_release+0x9e/0xc0 net/core/neighbour.c:108 addrconf_rs_timer+0x2bb/0x5a0 net/ipv6/addrconf.c:3769 neigh_del+0x161/0x1f0 net/core/neighbour.c:141 neigh_forced_gc net/core/neighbour.c:190 [inline] neigh_alloc net/core/neighbour.c:315 [inline] __neigh_create+0xc5d/0x19b0 net/core/neighbour.c:499 ip6_finish_output2+0x802/0x1f10 net/ipv6/ip6_output.c:117 call_timer_fn+0x14a/0x650 kernel/time/timer.c:1280 ip6_finish_output+0x5c6/0xd50 net/ipv6/ip6_output.c:192 NF_HOOK_COND include/linux/netfilter.h:239 [inline] ip6_output+0x1c5/0x660 net/ipv6/ip6_output.c:209 expire_timers+0x232/0x4d0 kernel/time/timer.c:1319 __run_timers kernel/time/timer.c:1637 [inline] run_timer_softirq+0x1d5/0x5a0 kernel/time/timer.c:1650 dst_output include/net/dst.h:470 [inline] NF_HOOK include/linux/netfilter.h:250 [inline] ndisc_send_skb+0x82a/0x1390 net/ipv6/ndisc.c:483 __do_softirq+0x24d/0x9ff kernel/softirq.c:288 invoke_softirq kernel/softirq.c:368 [inline] irq_exit+0x193/0x240 kernel/softirq.c:409 ndisc_send_rs+0x125/0x630 net/ipv6/ndisc.c:677 exiting_irq arch/x86/include/asm/apic.h:638 [inline] smp_apic_timer_interrupt+0x141/0x5e0 arch/x86/kernel/apic/apic.c:1106 addrconf_rs_timer+0x2bb/0x5a0 net/ipv6/addrconf.c:3769 apic_timer_interrupt+0x93/0xa0 arch/x86/entry/entry_64.S:793 RIP: 0010:preempt_schedule_irq+0xa6/0x140 kernel/sched/core.c:3614 RSP: 0018:ffff8880a0cc7c70 EFLAGS: 00000282 call_timer_fn+0x14a/0x650 kernel/time/timer.c:1280 ORIG_RAX: ffffffffffffff10 RAX: 1ffffffff11e127b RBX: dffffc0000000000 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff8880a0e44c84 RBP: ffffed10141c8880 R08: ffff88823fff7018 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: ffff8880a0e44400 R13: ffffffff88f093d8 R14: 0000000000000000 R15: 0000000000000000 expire_timers+0x232/0x4d0 kernel/time/timer.c:1319 retint_kernel+0x1b/0x2d __run_timers kernel/time/timer.c:1637 [inline] run_timer_softirq+0x1d5/0x5a0 kernel/time/timer.c:1650 RIP: 0010:__might_fault+0x9a/0x1b0 mm/memory.c:4684 RSP: 0018:ffff8880a0cc7d48 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff09 RAX: ffff8880a0e44400 RBX: ffff8880a0e44400 RCX: 0000000000000000 __do_softirq+0x24d/0x9ff kernel/softirq.c:288 RDX: 0000000000000000 RSI: 000000000000000a RDI: ffffffff87ccda60 RBP: ffffffff87ccda60 R08: 0000000000000001 R09: ffff8880a0cc7e78 invoke_softirq kernel/softirq.c:368 [inline] irq_exit+0x193/0x240 kernel/softirq.c:409 R10: ffff8880a0cc7ea7 R11: 0000000000000000 R12: 000000000000000a exiting_irq arch/x86/include/asm/apic.h:638 [inline] smp_apic_timer_interrupt+0x141/0x5e0 arch/x86/kernel/apic/apic.c:1106 R13: ffff8880a0cc7e78 R14: 0000000000000005 R15: ffff8880a0cc7e78 apic_timer_interrupt+0x93/0xa0 arch/x86/entry/entry_64.S:793 _copy_from_user+0x27/0x100 lib/usercopy.c:10 RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:779 [inline] RIP: 0010:lock_acquire+0x1ec/0x3f0 kernel/locking/lockdep.c:4001 copy_from_user include/linux/uaccess.h:147 [inline] SYSC_bpf kernel/bpf/syscall.c:1492 [inline] SyS_bpf+0x147/0x35e0 kernel/bpf/syscall.c:1477 RSP: 0018:ffff88809fdd7da0 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff10 RAX: 1ffffffff11e1279 RBX: ffff88809f9c4500 RCX: 000000000000696d RDX: dffffc0000000000 RSI: 0000000000000001 RDI: 0000000000000286 RBP: ffff8880a92d5088 R08: ffffffff8b9d2628 R09: 0000000000040431 R10: ffff88809f9c4d88 R11: ffff88809f9c4500 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001 __raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline] _raw_spin_lock+0x2a/0x40 kernel/locking/spinlock.c:152 spin_lock include/linux/spinlock.h:317 [inline] setfl fs/fcntl.c:79 [inline] do_fcntl+0x5f5/0xe80 fs/fcntl.c:347 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 SYSC_fcntl fs/fcntl.c:463 [inline] SyS_fcntl+0xc6/0x100 fs/fcntl.c:448 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x7fb349ee5f39 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 RSP: 002b:00007ffe1f3b8888 EFLAGS: 00000246 entry_SYSCALL_64_after_hwframe+0x46/0xbb ORIG_RAX: 0000000000000141 RIP: 0033:0x7fb349ee5f39 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fb349ee5f39 RSP: 002b:00007ffe1f3b8888 EFLAGS: 00000246 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000005 ORIG_RAX: 0000000000000048 RBP: 0000000000000000 R08: 00007ffe1f3b88b0 R09: 00007ffe1f3b88b0 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fb349ee5f39 R10: 00007ffe1f3b88b0 R11: 0000000000000246 R12: 00007ffe1f3b88ac RDX: 0000000000042000 RSI: 0000000000000004 RDI: 0000000000000003 R13: 00007ffe1f3b88c0 R14: 00007ffe1f3b8900 R15: 0000000000000020 RBP: 0000000000000000 R08: 00007ffe1f3b88b0 R09: 00007ffe1f3b88b0 Code: R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe1f3b88ac R13: 00007ffe1f3b88c0 R14: 00007ffe1f3b8900 R15: 0000000000000000 03 Code: 41 b8 83 00 e6 00 07 00 48 00 b8 00 00 fc 00 ff 00 df 00 c7 00 85 fc b8 ff 00 df 00 49 00 01 00 c4 00 eb 00 02 00 f3 48 90 89 41 fa 0f 48 b6 c1 04 ea 24 03 44 80 38 3c f0 02 7f 00 08 0f 84 85 c0 9e 0f 01 85 00 f6 00 00 49 00 8b 00 9d 0f f0 b6 01 03 00 <84> 00 c0 <48> 75 b8 e5 00 f0 00 44 00 0f 00 b0 00 2b fc 84 ff c0 df 75 48 dc 8d 49 bb 89 60 dd 01 49 00 89 00 dc 48 41 89 be fa 48