watchdog: BUG: soft lockup - CPU#1 stuck for 123s! [syz-executor.1:7991] Modules linked in: irq event stamp: 6851635 hardirqs last enabled at (6851634): [] trace_hardirqs_on_thunk+0x1a/0x1c arch/x86/entry/thunk_64.S:41 hardirqs last disabled at (6851635): [] trace_hardirqs_off_thunk+0x1a/0x1c arch/x86/entry/thunk_64.S:42 softirqs last enabled at (2218062): [] __do_softirq+0x6cd/0x98c kernel/softirq.c:319 softirqs last disabled at (2218339): [] invoke_softirq kernel/softirq.c:373 [inline] softirqs last disabled at (2218339): [] irq_exit+0x19b/0x1e0 kernel/softirq.c:413 CPU: 1 PID: 7991 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:kernel_text_address+0x6b/0xf0 kernel/extable.c:149 Code: 38 d0 7c 08 84 d2 0f 85 86 00 00 00 83 3d d0 87 e8 08 01 76 28 e8 d5 44 14 00 84 c0 74 3e 4c 89 e7 e8 29 3e 1d 00 84 c0 75 25 <4c> 89 e7 e8 2d f1 31 00 48 83 c4 08 0f b6 c0 41 5c 5d c3 49 81 fc RSP: 0018:ffff88802d309600 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 0000000000000103 RSI: 0000000000000004 RDI: 0000000000000001 RBP: ffff88802d309610 R08: 1ffff11005a67044 R09: ffffed1005a67045 R10: ffffed1005a67044 R11: ffff88802d338223 R12: 0000000000000000 R13: 0000000000000000 R14: ffff88806d050040 R15: ffff88802cc00a80 FS: 00007f916e448700(0000) GS:ffff88802d300000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffffffff600400 CR3: 0000000072e95000 CR4: 00000000003406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __kernel_text_address+0xd/0x40 kernel/extable.c:104 unwind_get_return_address arch/x86/kernel/unwind_frame.c:19 [inline] unwind_get_return_address+0x61/0xa0 arch/x86/kernel/unwind_frame.c:14 arch_stack_walk+0x97/0xf0 arch/x86/kernel/stacktrace.c:26 stack_trace_save+0xac/0xe0 kernel/stacktrace.c:123 save_stack+0x23/0x90 mm/kasan/common.c:69 set_track mm/kasan/common.c:77 [inline] __kasan_kmalloc mm/kasan/common.c:510 [inline] __kasan_kmalloc.constprop.0+0xcf/0xe0 mm/kasan/common.c:483 kasan_kmalloc+0x9/0x10 mm/kasan/common.c:524 kmem_cache_alloc_node_trace+0x15a/0x750 mm/slab.c:3594 __do_kmalloc_node mm/slab.c:3614 [inline] __kmalloc_node_track_caller+0x3d/0x70 mm/slab.c:3629 __kmalloc_reserve.isra.0+0x40/0xf0 net/core/skbuff.c:141 __alloc_skb+0x10b/0x5e0 net/core/skbuff.c:209 alloc_skb include/linux/skbuff.h:1049 [inline] ndisc_alloc_skb+0x13c/0x340 net/ipv6/ndisc.c:417 ndisc_send_rs+0x39b/0x720 net/ipv6/ndisc.c:683 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:ffff88806d05fb20 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 RAX: 1ffffffff12a668d RBX: ffff88806d050040 RCX: 0000000000000000 RDX: dffffc0000000000 RSI: 0000000000000006 RDI: ffff88806d0508d4 RBP: ffff88806d05fb28 R08: ffff88806d050040 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: ffff88802d337380 R13: ffff888027761500 R14: ffff888029886d80 R15: 0000000000000402 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_irq+0xb5/0x160 kernel/sched/core.c:4338 retint_kernel+0x1b/0x2b RIP: 0010:__do_sys_perf_event_open+0x1eff/0x2c70 kernel/events/core.c:11567 Code: 9d a8 fe ff ff 31 ff 89 de e8 bd 2f e6 ff 85 db 0f 85 78 07 00 00 e8 30 2e e6 ff 8b 9d b4 fe ff ff 48 8b b5 78 fe ff ff 89 df <4c> 63 f3 e8 39 c8 35 00 e9 d0 e1 ff ff 48 89 c3 48 89 85 80 fe ff RSP: 0018:ffff88806d05fd40 EFLAGS: 00010246 ORIG_RAX: ffffffffffffff13 RAX: 0000000000040000 RBX: 0000000000000006 RCX: ffffc900062ad000 RDX: 0000000000040000 RSI: ffff888025263cc0 RDI: 0000000000000006 RBP: ffff88806d05fed8 R08: ffff88806d050040 R09: ffffed100da0a242 R10: ffffed100da0a241 R11: ffff88806d05120f R12: ffff8880265f32e0 R13: ffff88806d050040 R14: ffff88806d051290 R15: 1ffff1100da0bfb6 __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:00007f916e447c88 EFLAGS: 00000246 ORIG_RAX: 000000000000012a RAX: ffffffffffffffda RBX: 000000000071bf00 RCX: 000000000045a759 RDX: ffffffffffffffff RSI: 0000000000000000 RDI: 0000000020000180 RBP: 0000000000000005 R08: 0000000000000000 R09: 0000000000000000 R10: ffffffffffffffff R11: 0000000000000246 R12: 00007f916e4486d4 R13: 00000000004aec2b R14: 00000000006f1ca8 R15: 00000000ffffffff Sending NMI from CPU 1 to CPUs 0,2-3: NMI backtrace for cpu 2 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 0 CPU: 0 PID: 7993 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:arch_local_irq_restore arch/x86/include/asm/paravirt.h:752 [inline] RIP: 0010:__local_bh_disable_ip+0xd3/0x1b0 kernel/softirq.c:130 Code: b8 00 00 00 00 00 fc ff df 48 c1 ea 03 80 3c 02 00 0f 85 bd 00 00 00 48 83 3d b0 03 0c 08 00 0f 84 9c 00 00 00 4c 89 ef 57 9d <0f> 1f 44 00 00 65 8b 05 c9 ed ba 7e 25 ff ff ff 7f 39 d8 74 11 5b RSP: 0018:ffff88802d209728 EFLAGS: 00000282 RAX: dffffc0000000000 RBX: 0000000000000200 RCX: ffffffff86c3b97b RDX: 1ffffffff12a668b RSI: 0000000000000200 RDI: 0000000000000282 RBP: ffff88802d209740 R08: ffff88806d1a4080 R09: fffffbfff15d29b4 R10: fffffbfff15d29b3 R11: ffffffff8ae94d9f R12: ffffffff86c3b983 R13: 0000000000000282 R14: ffff88802d2099f8 R15: dffffc0000000000 FS: 00007fb616c8b700(0000) GS:ffff88802d200000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2e527000 CR3: 00000000749c8000 CR4: 00000000003406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: local_bh_disable include/linux/bottom_half.h:19 [inline] ip6t_do_table+0x1e9/0x1cc0 net/ipv6/netfilter/ip6_tables.c:281 ip6table_security_hook+0x65/0x80 net/ipv6/netfilter/ip6table_security.c:42 nf_hook_entry_hookfn include/linux/netfilter.h:135 [inline] nf_hook_slow+0xbc/0x1e0 net/netfilter/core.c:512 nf_hook.constprop.0+0x3c9/0x560 include/linux/netfilter.h:262 NF_HOOK include/linux/netfilter.h:305 [inline] ndisc_send_skb+0x9e0/0x1490 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:ffff88806d1af8d8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 RAX: 1ffffffff12a668d RBX: ffff88806d1a4080 RCX: 0000000000000006 RDX: dffffc0000000000 RSI: 0000000000000008 RDI: ffff88806d1a4914 RBP: ffff88806d1af8e0 R08: 1ffffffff15d29b8 R09: fffffbfff15d29b9 R10: fffffbfff15d29b8 R11: ffffffff8ae94dc7 R12: ffff88802d237380 R13: ffff88802c4ac340 R14: ffff88801ffbd140 R15: 0000000000000402 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:00007fb616c8ac88 EFLAGS: 00000246 ORIG_RAX: 000000000000012a RAX: ffffffffffffffda RBX: 000000000071bfa8 RCX: 000000000045a759 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000180 RBP: 0000000000000005 R08: 0000000000000000 R09: 0000000000000000 R10: ffffffffffffffff R11: 0000000000000246 R12: 00007fb616c8b6d4 R13: 00000000004aec2b R14: 00000000006f1ca8 R15: 00000000ffffffff