device veth0_vlan entered promiscuous mode IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready device veth1_vlan entered promiscuous mode watchdog: BUG: soft lockup - CPU#1 stuck for 123s! [syz-executor143:7538] Modules linked in: irq event stamp: 28785015 hardirqs last enabled at (28785014): [<ffffffff86800979>] restore_regs_and_return_to_kernel+0x0/0x27 hardirqs last disabled at (28785015): [<ffffffff86801b01>] apic_timer_interrupt+0x91/0xa0 arch/x86/entry/entry_64.S:792 softirqs last enabled at (112): [<ffffffff86a00645>] __do_softirq+0x645/0x9a0 kernel/softirq.c:314 softirqs last disabled at (333): [<ffffffff81392c40>] invoke_softirq kernel/softirq.c:368 [inline] softirqs last disabled at (333): [<ffffffff81392c40>] irq_exit+0x160/0x1b0 kernel/softirq.c:409 CPU: 1 PID: 7538 Comm: syz-executor143 Not tainted 4.14.162-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 task: ffff888079d9e340 task.stack: ffff88808a9f8000 RIP: 0010:get_current arch/x86/include/asm/current.h:15 [inline] RIP: 0010:get_frame_pointer arch/x86/include/asm/stacktrace.h:62 [inline] RIP: 0010:__unwind_start+0x2a0/0x3d0 arch/x86/kernel/unwind_frame.c:403 RSP: 0000:ffff8880aed070d0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff10 RAX: 0000000000000000 RBX: ffff8880aed071a0 RCX: 0000000000000000 RDX: 0000000000000005 RSI: 0000000000000000 RDI: ffff8880aed07155 RBP: ffff8880aed07110 R08: ffff8880aed07148 R09: ffff8880aed07120 R10: ffffed1015da0e2f R11: ffff8880aed0717f R12: 0000000000000000 R13: ffff888079d9e340 R14: ffff888079d9e300 R15: ffff8880aed07120 FS: 00007ff3e1e18700(0000) GS:ffff8880aed00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffe73a18970 CR3: 0000000079828000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: <IRQ> unwind_start arch/x86/include/asm/unwind.h:60 [inline] __save_stack_trace+0x4a/0xd0 arch/x86/kernel/stacktrace.c:43 save_stack_trace+0x16/0x20 arch/x86/kernel/stacktrace.c:59 save_stack+0x45/0xd0 mm/kasan/kasan.c:447 set_track mm/kasan/kasan.c:459 [inline] kasan_kmalloc mm/kasan/kasan.c:551 [inline] kasan_kmalloc+0xce/0xf0 mm/kasan/kasan.c:529 kasan_slab_alloc+0xf/0x20 mm/kasan/kasan.c:489 kmem_cache_alloc+0x12e/0x780 mm/slab.c:3552 kmem_cache_zalloc include/linux/slab.h:651 [inline] fill_pool lib/debugobjects.c:110 [inline] __debug_object_init+0x5b8/0x8e0 lib/debugobjects.c:341 debug_object_init lib/debugobjects.c:393 [inline] debug_object_activate+0x274/0x450 lib/debugobjects.c:474 debug_rcu_head_queue kernel/rcu/rcu.h:152 [inline] __call_rcu.constprop.0+0x35/0x820 kernel/rcu/tree.c:3050 call_rcu+0x12/0x20 kernel/rcu/tree_plugin.h:730 dst_release+0x5c/0x80 net/core/dst.c:188 refdst_drop include/net/dst.h:286 [inline] skb_dst_drop include/net/dst.h:298 [inline] __dev_queue_xmit+0x17e1/0x25e0 net/core/dev.c:3484 dev_queue_xmit+0x18/0x20 net/core/dev.c:3558 neigh_resolve_output net/core/neighbour.c:1369 [inline] neigh_resolve_output+0x4f6/0x8a0 net/core/neighbour.c:1349 neigh_output include/net/neighbour.h:500 [inline] ip6_finish_output2+0x9ab/0x21b0 net/ipv6/ip6_output.c:120 ip6_finish_output+0x4f4/0xb50 net/ipv6/ip6_output.c:154 NF_HOOK_COND include/linux/netfilter.h:239 [inline] ip6_output+0x20f/0x6d0 net/ipv6/ip6_output.c:171 dst_output include/net/dst.h:462 [inline] NF_HOOK include/linux/netfilter.h:250 [inline] ndisc_send_skb+0xb56/0x11e0 net/ipv6/ndisc.c:483 ndisc_send_rs+0x12b/0x670 net/ipv6/ndisc.c:677 addrconf_rs_timer+0x289/0x5a0 net/ipv6/addrconf.c:3757 call_timer_fn+0x161/0x670 kernel/time/timer.c:1279 expire_timers kernel/time/timer.c:1318 [inline] __run_timers kernel/time/timer.c:1636 [inline] __run_timers kernel/time/timer.c:1604 [inline] run_timer_softirq+0x5b7/0x1520 kernel/time/timer.c:1649 __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:1102 apic_timer_interrupt+0x96/0xa0 arch/x86/entry/entry_64.S:792 </IRQ> RIP: 0033:0x449395 RSP: 002b:00007ff3e1e17db8 EFLAGS: 00000217 ORIG_RAX: ffffffffffffff10 RAX: 0000000000000000 RBX: 00000000006e59e8 RCX: 0000000000449389 RDX: 0000000000042000 RSI: 0000000000000004 RDI: 0000000000000003 RBP: 00000000006e59e0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006e59ec R13: 00007ffe73a188cf R14: 00007ff3e1e189c0 R15: 20c49ba5e353f7cf Code: 48 89 f8 48 c1 e8 03 42 80 3c 30 00 0f 85 c9 00 00 00 49 39 5f 38 0f 82 5d ff ff ff 48 83 c4 18 5b 41 5c 41 5d 41 5e 41 5f 5d c3 <65> 48 8b 04 25 40 ee 01 00 49 39 c5 74 32 49 8d bd d8 13 00 00 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 7546 Comm: syz-executor143 Not tainted 4.14.162-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 task: ffff8880a108c400 task.stack: ffff8880912a8000 RIP: 0010:__lock_acquire+0x6f/0x4620 kernel/locking/lockdep.c:3344 RSP: 0018:ffff8880aec07860 EFLAGS: 00000082 RAX: ffffed1015d80f20 RBX: 0000000000000000 RCX: 0000000000000002 RDX: dffffc0000000000 RSI: 0000000000000000 RDI: ffffffff87f88960 RBP: ffff8880aec07a10 R08: 0000000000000000 R09: 0000000000000001 R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff87f88960 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002 FS: 00007ff3e1df7700(0000) GS:ffff8880aec00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000006df448 CR3: 0000000085199000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: <IRQ> lock_acquire+0x16f/0x430 kernel/locking/lockdep.c:3994 rcu_lock_acquire include/linux/rcupdate.h:242 [inline] rcu_read_lock include/linux/rcupdate.h:629 [inline] kill_fasync fs/fcntl.c:1010 [inline] kill_fasync+0x73/0x3d0 fs/fcntl.c:1004 perf_event_wakeup+0x215/0x360 kernel/events/core.c:5558 perf_pending_event+0xb0/0xe0 kernel/events/core.c:5582 irq_work_run_list+0x105/0x190 kernel/irq_work.c:156 irq_work_run+0x52/0xb0 kernel/irq_work.c:171 smp_irq_work_interrupt+0xa8/0x4e0 arch/x86/kernel/irq_work.c:21 irq_work_interrupt+0x96/0xa0 arch/x86/entry/entry_64.S:823 RIP: 0010:ipv6_get_lladdr+0x12/0x3e0 net/ipv6/addrconf.c:1775 RSP: 0018:ffff8880aec07c70 EFLAGS: 00000206 ORIG_RAX: ffffffffffffff09 RAX: 0000000000000100 RBX: 1ffff11015d80f9a RCX: 0000000000000000 RDX: 0000000000000040 RSI: ffff8880aec07cf0 RDI: ffff888089bcc040 RBP: ffff8880aec07ca0 R08: ffff8880a108c400 R09: 0000000000000003 R10: 0000000000000000 R11: ffff8880a108c400 R12: ffff8880a83d7240 R13: ffff8880a83d73c0 R14: 0000000000000040 R15: ffff888089bcc040 addrconf_rs_timer+0x268/0x5a0 net/ipv6/addrconf.c:3756 call_timer_fn+0x161/0x670 kernel/time/timer.c:1279 expire_timers kernel/time/timer.c:1318 [inline] __run_timers kernel/time/timer.c:1636 [inline] __run_timers kernel/time/timer.c:1604 [inline] run_timer_softirq+0x5b7/0x1520 kernel/time/timer.c:1649 __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:1102 apic_timer_interrupt+0x96/0xa0 arch/x86/entry/entry_64.S:792 </IRQ> RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:779 [inline] RIP: 0010:lock_acquire+0x1ea/0x430 kernel/locking/lockdep.c:3997 RSP: 0018:ffff8880912af920 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff10 RAX: 1ffffffff0fe2d29 RBX: ffff8880a108c400 RCX: 0000000064827b74 RDX: dffffc0000000000 RSI: ffff8880a108cca8 RDI: 0000000000000282 RBP: ffff8880912af968 R08: 00000000000079c4 R09: ffffffff895ab860 R10: ffff8880a108cca8 R11: ffff8880a108c400 R12: ffff888079ff7450 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001 __might_fault mm/memory.c:4584 [inline] __might_fault+0x143/0x1d0 mm/memory.c:4569 fetch_robust_entry kernel/futex.c:3685 [inline] exit_robust_list kernel/futex.c:3716 [inline] futex_cleanup+0x20b/0xc60 kernel/futex.c:3768 futex_exit_release+0x1d/0x70 kernel/futex.c:3869 exit_mm_release+0x1b/0x30 kernel/fork.c:1171 exit_mm kernel/exit.c:500 [inline] do_exit+0x38c/0x2c80 kernel/exit.c:841 do_group_exit+0x111/0x330 kernel/exit.c:951 get_signal+0x381/0x1cd0 kernel/signal.c:2413 do_signal+0x86/0x19a0 arch/x86/kernel/signal.c:814 exit_to_usermode_loop+0x15c/0x220 arch/x86/entry/common.c:160 prepare_exit_to_usermode arch/x86/entry/common.c:199 [inline] syscall_return_slowpath arch/x86/entry/common.c:270 [inline] do_syscall_64+0x4bc/0x640 arch/x86/entry/common.c:297 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x449389 RSP: 002b:00007ff3e1df6db8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: fffffffffffffe00 RBX: 00000000006e59f8 RCX: 0000000000449389 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00000000006e59f8 RBP: 00000000006e59f0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006e59fc R13: 00007ffe73a188cf R14: 00007ff3e1df79c0 R15: 20c49ba5e353f7cf Code: b7 ad 87 48 c1 e8 03 48 89 84 24 98 00 00 00 48 01 d0 48 c7 84 24 b0 00 00 00 90 41 48 81 c7 00 f1 f1 f1 f1 c7 40 04 00 f2 f2 f2 <c7> 40 08 00 00 00 f2 c7 40 0c f2 f2 f2 f2 c7 40 18 f3 f3 f3 f3