watchdog: BUG: soft lockup - CPU#2 stuck for 122s! [syz-executor.0:8063] Modules linked in: irq event stamp: 5340305 hardirqs last enabled at (5340304): [] trace_hardirqs_on_thunk+0x1a/0x1c arch/x86/entry/thunk_64.S:41 hardirqs last disabled at (5340305): [] trace_hardirqs_off_thunk+0x1a/0x1c arch/x86/entry/thunk_64.S:42 softirqs last enabled at (1648): [] __do_softirq+0x6cd/0x98c kernel/softirq.c:319 softirqs last disabled at (56701): [] invoke_softirq kernel/softirq.c:373 [inline] softirqs last disabled at (56701): [] irq_exit+0x19b/0x1e0 kernel/softirq.c:413 CPU: 2 PID: 8063 Comm: syz-executor.0 Not tainted 5.4.0-syzkaller #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.12.0-59-gc9ba5276e321-prebuilt.qemu.org 04/01/2014 RIP: 0010:ether_addr_equal_64bits include/linux/etherdevice.h:348 [inline] RIP: 0010:eth_type_trans+0x5bf/0x760 net/ethernet/eth.c:170 Code: e8 66 80 8e fb e9 a9 fb ff ff e8 dc 80 8e fb e9 69 fb ff ff 89 85 70 ff ff ff e8 4c 80 8e fb 8b 85 70 ff ff ff e9 de fb ff ff bc 52 51 fb 49 8d bd 98 03 00 00 48 b8 00 00 00 00 00 fc ff df RSP: 0018:ffff88802d409440 EFLAGS: 00000202 ORIG_RAX: ffffffffffffff13 RAX: 0000000000000502 RBX: ffff8880221c3802 RCX: ffffffff8623899d RDX: 0000000000000001 RSI: 0000000000000001 RDI: 0000000000000007 RBP: ffff88802d4094d8 R08: ffff888070044080 R09: ffffed1005a87045 R10: ffffed1005a87044 R11: ffff88802d438223 R12: ffff88801c418500 R13: ffff888016d2c000 R14: 1ffff11005a8128a R15: aaaa020000003333 FS: 00007f0541827700(0000) GS:ffff88802d400000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffffffff600400 CR3: 000000006bb64000 CR4: 00000000003406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __dev_forward_skb+0x17f/0x4e0 net/core/dev.c:2074 veth_forward_skb drivers/net/veth.c:231 [inline] veth_xmit+0x284/0x8d0 drivers/net/veth.c:262 __netdev_start_xmit include/linux/netdevice.h:4442 [inline] netdev_start_xmit include/linux/netdevice.h:4456 [inline] xmit_one net/core/dev.c:3420 [inline] dev_hard_start_xmit+0x1a3/0x9b0 net/core/dev.c:3436 __dev_queue_xmit+0x2b05/0x35c0 net/core/dev.c:4013 dev_queue_xmit+0x18/0x20 net/core/dev.c:4046 neigh_hh_output include/net/neighbour.h:500 [inline] neigh_output include/net/neighbour.h:509 [inline] ip6_finish_output2+0xfbe/0x25c0 net/ipv6/ip6_output.c:116 __ip6_finish_output+0x444/0xaa0 net/ipv6/ip6_output.c:142 ip6_finish_output+0x38/0x1f0 net/ipv6/ip6_output.c:152 NF_HOOK_COND include/linux/netfilter.h:296 [inline] ip6_output+0x25e/0x880 net/ipv6/ip6_output.c:175 dst_output include/net/dst.h:436 [inline] NF_HOOK include/linux/netfilter.h:307 [inline] ndisc_send_skb+0xf1f/0x1490 net/ipv6/ndisc.c:505 ndisc_send_rs+0x134/0x720 net/ipv6/ndisc.c:699 addrconf_rs_timer+0x30f/0x6e0 net/ipv6/addrconf.c:3879 call_timer_fn+0x1ac/0x780 kernel/time/timer.c:1404 expire_timers kernel/time/timer.c:1449 [inline] __run_timers kernel/time/timer.c:1773 [inline] __run_timers kernel/time/timer.c:1740 [inline] run_timer_softirq+0x6c3/0x1790 kernel/time/timer.c:1786 __do_softirq+0x262/0x98c kernel/softirq.c:292 invoke_softirq kernel/softirq.c:373 [inline] irq_exit+0x19b/0x1e0 kernel/softirq.c:413 exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x1a3/0x610 arch/x86/kernel/apic/apic.c:1137 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:829 RIP: 0010:__raw_spin_unlock_irq include/linux/spinlock_api_smp.h:169 [inline] RIP: 0010:_raw_spin_unlock_irq+0x4f/0x80 kernel/locking/spinlock.c:199 Code: c0 68 34 53 89 48 ba 00 00 00 00 00 fc ff df 48 c1 e8 03 80 3c 10 00 75 33 48 83 3d 12 2a 99 01 00 74 20 fb 66 0f 1f 44 00 00 01 00 00 00 e8 e7 6b 96 f9 65 8b 05 18 14 48 78 85 c0 74 06 41 RSP: 0018:ffff88807004f8d8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 RAX: 1ffffffff12a668d RBX: ffff888070044080 RCX: 0000000000000006 RDX: dffffc0000000000 RSI: 0000000000000008 RDI: ffff888070044914 RBP: ffff88807004f8e0 R08: 1ffffffff15d29b8 R09: fffffbfff15d29b9 R10: fffffbfff15d29b8 R11: ffffffff8ae94dc7 R12: ffff88802d437380 R13: ffff88802b75cc80 R14: 0000000000000000 R15: 0000000000000001 finish_lock_switch kernel/sched/core.c:3124 [inline] finish_task_switch+0x147/0x750 kernel/sched/core.c:3224 context_switch kernel/sched/core.c:3388 [inline] __schedule+0x8e9/0x1f30 kernel/sched/core.c:4081 preempt_schedule_common+0x4f/0xe0 kernel/sched/core.c:4236 preempt_schedule+0x4b/0x60 kernel/sched/core.c:4261 ___preempt_schedule+0x16/0x18 arch/x86/entry/thunk_64.S:50 smp_call_function_single+0x410/0x480 kernel/smp.c:313 task_function_call+0xe9/0x180 kernel/events/core.c:114 perf_install_in_context+0x308/0x5a0 kernel/events/core.c:2746 __do_sys_perf_event_open+0x1cbc/0x2c70 kernel/events/core.c:11543 __se_sys_perf_event_open kernel/events/core.c:11151 [inline] __x64_sys_perf_event_open+0xbe/0x150 kernel/events/core.c:11151 do_syscall_64+0xfa/0x790 arch/x86/entry/common.c:294 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x45a759 Code: bd b1 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 8b b1 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f0541826c88 EFLAGS: 00000246 ORIG_RAX: 000000000000012a RAX: ffffffffffffffda RBX: 000000000071bfa8 RCX: 000000000045a759 RDX: ffffffffffffffff RSI: 0000000000000000 RDI: 0000000020000800 RBP: 0000000000000005 R08: 0000000000000000 R09: 0000000000000000 R10: ffffffffffffffff R11: 0000000000000246 R12: 00007f05418276d4 R13: 00000000004aec2b R14: 00000000006f1ca8 R15: 00000000ffffffff Sending NMI from CPU 2 to CPUs 0-1,3: NMI backtrace for cpu 0 skipped: idling at native_safe_halt+0xe/0x10 arch/x86/include/asm/irqflags.h:60 NMI backtrace for cpu 3 skipped: idling at native_safe_halt+0xe/0x10 arch/x86/include/asm/irqflags.h:60 NMI backtrace for cpu 1 CPU: 1 PID: 8062 Comm: syz-executor.1 Not tainted 5.4.0-syzkaller #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.12.0-59-gc9ba5276e321-prebuilt.qemu.org 04/01/2014 RIP: 0010:arch_static_branch arch/x86/include/asm/jump_label.h:25 [inline] RIP: 0010:static_key_false include/linux/jump_label.h:200 [inline] RIP: 0010:native_write_msr+0x6/0x30 arch/x86/include/asm/msr.h:164 Code: d0 c3 0f 21 d8 c3 0f 21 f0 c3 0f 0b 0f 1f 84 00 00 00 00 00 0f 0b 0f 1f 40 00 66 2e 0f 1f 84 00 00 00 00 00 89 f9 89 f0 0f 30 <0f> 1f 44 00 00 c3 55 48 c1 e2 20 89 f6 48 89 e5 48 09 d6 31 d2 e8 RSP: 0018:ffff88802d309788 EFLAGS: 00000082 RAX: 00000000a2ee4e80 RBX: 0000000000000000 RCX: 00000000000006e0 RDX: 000000000000006f RSI: 00000000a2ee4e80 RDI: 00000000000006e0 RBP: ffff88802d3097a0 R08: ffff888070000080 R09: ffff888070000910 R10: fffffbfff146dba0 R11: ffffffff8a36dd07 R12: ffff88802d3227c0 R13: 00000000000002cc R14: 0000000000000000 R15: 0000000000000001 FS: 00007efda0f12700(0000) GS:ffff88802d300000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffffddb1d3c CR3: 000000006bbc2000 CR4: 00000000003406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: clockevents_program_event+0x25c/0x370 kernel/time/clockevents.c:334 tick_program_event+0xb4/0x130 kernel/time/tick-oneshot.c:44 hrtimer_interrupt+0x369/0x770 kernel/time/hrtimer.c:1651 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1110 [inline] smp_apic_timer_interrupt+0x160/0x610 arch/x86/kernel/apic/apic.c:1135 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:829 RIP: 0010:dev_hold include/linux/netdevice.h:3774 [inline] RIP: 0010:dst_init+0x79/0x4d0 net/core/dst.c:53 Code: fb 49 8d be 40 05 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 f9 48 c1 e9 03 80 3c 01 00 0f 85 4a 04 00 00 49 8b 86 40 05 00 00 <65> ff 00 e8 3f 04 67 fb 48 8d 7b 08 48 b8 00 00 00 00 00 fc ff df RSP: 0018:ffff88802d3099b0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 RAX: 0000607f8106f7cc RBX: ffff8880121a5700 RCX: 1ffff11002de98a8 RDX: 0000000000000100 RSI: ffffffff860dd9b0 RDI: ffff888016f4c540 RBP: ffff88802d3099e8 R08: 00000000ffffffff R09: 0000000000000000 R10: ffffed1005a67044 R11: ffff88802d338223 R12: 0000000000000000 R13: ffff88801c04cac0 R14: ffff888016f4c000 R15: 00000000ffffffff dst_alloc+0x134/0x200 net/core/dst.c:97 ip6_dst_alloc+0x34/0xa0 net/ipv6/route.c:353 icmp6_dst_alloc+0x69/0x4a0 net/ipv6/route.c:3130 ndisc_send_skb+0xfb7/0x1490 net/ipv6/ndisc.c:485 ndisc_send_rs+0x134/0x720 net/ipv6/ndisc.c:699 addrconf_rs_timer+0x30f/0x6e0 net/ipv6/addrconf.c:3879 call_timer_fn+0x1ac/0x780 kernel/time/timer.c:1404 expire_timers kernel/time/timer.c:1449 [inline] __run_timers kernel/time/timer.c:1773 [inline] __run_timers kernel/time/timer.c:1740 [inline] run_timer_softirq+0x6c3/0x1790 kernel/time/timer.c:1786 __do_softirq+0x262/0x98c kernel/softirq.c:292 invoke_softirq kernel/softirq.c:373 [inline] irq_exit+0x19b/0x1e0 kernel/softirq.c:413 exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x1a3/0x610 arch/x86/kernel/apic/apic.c:1137 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:829 RIP: 0010:__raw_spin_unlock_irq include/linux/spinlock_api_smp.h:169 [inline] RIP: 0010:_raw_spin_unlock_irq+0x4f/0x80 kernel/locking/spinlock.c:199 Code: c0 68 34 53 89 48 ba 00 00 00 00 00 fc ff df 48 c1 e8 03 80 3c 10 00 75 33 48 83 3d 12 2a 99 01 00 74 20 fb 66 0f 1f 44 00 00 01 00 00 00 e8 e7 6b 96 f9 65 8b 05 18 14 48 78 85 c0 74 06 41 RSP: 0018:ffff88807000f8d8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 RAX: 1ffffffff12a668d RBX: ffff888070000080 RCX: 0000000000000006 RDX: dffffc0000000000 RSI: 0000000000000008 RDI: ffff888070000914 RBP: ffff88807000f8e0 R08: 1ffffffff15d29b8 R09: fffffbfff15d29b9 R10: fffffbfff15d29b8 R11: ffffffff8ae94dc7 R12: ffff88802d337380 R13: ffff88802c520580 R14: ffff8880258b64c0 R15: 0000000000000001 finish_lock_switch kernel/sched/core.c:3124 [inline] finish_task_switch+0x147/0x750 kernel/sched/core.c:3224 context_switch kernel/sched/core.c:3388 [inline] __schedule+0x8e9/0x1f30 kernel/sched/core.c:4081 preempt_schedule_common+0x4f/0xe0 kernel/sched/core.c:4236 preempt_schedule+0x4b/0x60 kernel/sched/core.c:4261 ___preempt_schedule+0x16/0x18 arch/x86/entry/thunk_64.S:50 smp_call_function_single+0x410/0x480 kernel/smp.c:313 task_function_call+0xe9/0x180 kernel/events/core.c:114 perf_install_in_context+0x308/0x5a0 kernel/events/core.c:2746 __do_sys_perf_event_open+0x1cbc/0x2c70 kernel/events/core.c:11543 __se_sys_perf_event_open kernel/events/core.c:11151 [inline] __x64_sys_perf_event_open+0xbe/0x150 kernel/events/core.c:11151 do_syscall_64+0xfa/0x790 arch/x86/entry/common.c:294 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x45a759 Code: bd b1 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 8b b1 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007efda0f11c88 EFLAGS: 00000246 ORIG_RAX: 000000000000012a RAX: ffffffffffffffda RBX: 000000000071bfa8 RCX: 000000000045a759 RDX: ffffffffffffffff RSI: 0000000000000000 RDI: 0000000020000800 RBP: 0000000000000005 R08: 0000000000000000 R09: 0000000000000000 R10: ffffffffffffffff R11: 0000000000000246 R12: 00007efda0f126d4 R13: 00000000004aec2b R14: 00000000006f1ca8 R15: 00000000ffffffff