kthread+0x2da/0x360 kernel/kthread.c:288
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:354
watchdog: BUG: soft lockup - CPU#0 stuck for 123s! [syz-executor.3:1827]
Modules linked in:
CPU: 0 PID: 1827 Comm: syz-executor.3 Not tainted 5.4.274-syzkaller-00002-g6f97bd951d82 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
RIP: 0010:unwind_next_frame+0x796/0x1ea0 arch/x86/kernel/unwind_orc.c:461
Code: 48 89 d3 e8 2c 5c 64 00 e9 57 15 00 00 48 8b 44 24 60 42 80 3c 38 00 74 0e 4c 89 f7 48 89 d3 e8 50 5b 64 00 48 89 da 49 8b 06 <48> 89 44 24 08 49 8d 5d 01 4c 89 6c 24 10 49 c1 ed 03 43 0f b6 44
RSP: 0018:ffff8881f6e094e0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
RAX: ffff8881e5bd7f20 RBX: ffff8881f6e09818 RCX: ffffffff864e7614
RDX: ffffffff8677fdf4 RSI: ffffffff8677fdf0 RDI: 0000000000000001
RBP: ffff8881f6e097d0 R08: 0000000000000008 R09: ffff8881f6e09830
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffffffff0ceffbe
R13: ffffffff8677fdf0 R14: ffff8881f6e09818 R15: dffffc0000000000
FS:  00007ff2ba0666c0(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b32f22000 CR3: 00000001dff34000 CR4: 00000000003406b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 arch_stack_walk+0x111/0x140 arch/x86/kernel/stacktrace.c:25
 stack_trace_save+0x118/0x1c0 kernel/stacktrace.c:123
 save_stack mm/kasan/common.c:70 [inline]
 set_track mm/kasan/common.c:78 [inline]
 __kasan_kmalloc+0x171/0x210 mm/kasan/common.c:529
 slab_post_alloc_hook mm/slab.h:584 [inline]
 slab_alloc_node mm/slub.c:2829 [inline]
 slab_alloc mm/slub.c:2837 [inline]
 kmem_cache_alloc+0xd9/0x250 mm/slub.c:2842
 kmem_cache_alloc_node include/linux/slab.h:427 [inline]
 __alloc_skb+0x7a/0x4d0 net/core/skbuff.c:198
 alloc_skb include/linux/skbuff.h:1080 [inline]
 nlmsg_new include/net/netlink.h:888 [inline]
 __neigh_notify+0x7c/0x130 net/core/neighbour.c:3370
 neigh_update_notify net/core/neighbour.c:2533 [inline]
 neigh_timer_handler+0xa7d/0xf00 net/core/neighbour.c:1110
 call_timer_fn+0x36/0x390 kernel/time/timer.c:1448
 expire_timers kernel/time/timer.c:1493 [inline]
 __run_timers+0x879/0xbe0 kernel/time/timer.c:1817
 run_timer_softirq+0x63/0xf0 kernel/time/timer.c:1830
 __do_softirq+0x23b/0x6b7 kernel/softirq.c:292
 invoke_softirq kernel/softirq.c:373 [inline]
 irq_exit+0x195/0x1c0 kernel/softirq.c:413
 exiting_irq arch/x86/include/asm/apic.h:538 [inline]
 smp_apic_timer_interrupt+0x11a/0x460 arch/x86/kernel/apic/apic.c:1149
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:834
 </IRQ>
RIP: 0010:check_kcov_mode kernel/kcov.c:164 [inline]
RIP: 0010:__sanitizer_cov_trace_pc+0x22/0x50 kernel/kcov.c:187
Code: 90 90 90 90 90 90 90 90 48 8b 04 24 65 48 8b 0d 54 51 9e 7e 65 8b 15 59 51 9e 7e f7 c2 00 01 1f 00 74 01 c3 8b 91 00 0a 00 00 <83> fa 02 75 f4 48 8b 91 08 0a 00 00 48 8b 32 48 8d 7e 01 8b 89 04
RSP: 0018:ffff8881e5bd7ed0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
RAX: ffffffff819b2d69 RBX: ffff8881e801a600 RCX: ffff8881e5ae1f80
RDX: 0000000000000002 RSI: 0000000000000e8c RDI: ffff8881e801a600
RBP: 0000000000000000 R08: ffffffff819fa5f3 R09: ffffed103e22257f
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000005452
R13: 00000000200006c0 R14: 0000000000000004 R15: ffff8881e801a601
 fput+0x9/0x20 fs/file_table.c:357
 fdput include/linux/file.h:44 [inline]
 ksys_ioctl fs/ioctl.c:743 [inline]
 __do_sys_ioctl fs/ioctl.c:749 [inline]
 __se_sys_ioctl fs/ioctl.c:747 [inline]
 __x64_sys_ioctl+0xfd/0x110 fs/ioctl.c:747
 do_syscall_64+0xca/0x1c0 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x5c/0xc1
RIP: 0033:0x7ff2bacebf29
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 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 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ff2ba0660c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007ff2bae22f80 RCX: 00007ff2bacebf29
RDX: 00000000200006c0 RSI: 0000000000005452 RDI: 0000000000000004
RBP: 00007ff2bad5b074 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007ff2bae22f80 R15: 00007fff6f0b7d28
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 1828 Comm: syz-executor.0 Not tainted 5.4.274-syzkaller-00002-g6f97bd951d82 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
RIP: 0010:native_apic_msr_write+0x0/0x50 arch/x86/include/asm/apic.h:203
Code: 48 89 df e8 32 60 65 00 48 8b 03 bf f0 03 00 00 44 89 f6 5b 41 5e 5d ff e0 90 b9 0b 08 00 00 31 c0 31 d2 0f 30 c3 0f 1f 40 00 <81> ff cf 00 00 00 7f 0c 83 ff 20 74 2d 83 ff 30 74 28 eb 10 81 ff
RSP: 0018:ffff8881f6f08a98 EFLAGS: 00000046
RAX: ffffffff812ec120 RBX: ffffffff85632228 RCX: ffff8881e9729f80
RDX: 0000000000010104 RSI: 00000000000000f6 RDI: 00000000000003f0
RBP: 0000000000000000 R08: ffffffff822c4161 R09: ffffed103edea9b7
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000
R13: 1ffff1103a3c0160 R14: dffffc0000000000 R15: dffffc0000000001
FS:  00007f2ceb6c36c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ff28bed611c CR3: 00000001e3668000 CR4: 00000000003406a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 arch_irq_work_raise+0x82/0xd0 arch/x86/kernel/irq_work.c:31
 irq_work_queue+0xfe/0x140 kernel/irq_work.c:83
 __perf_event_overflow+0x282/0x360 kernel/events/core.c:8305
 perf_swevent_hrtimer+0x3fd/0x560 kernel/events/core.c:9688
 __run_hrtimer kernel/time/hrtimer.c:1581 [inline]
 __hrtimer_run_queues+0x3e9/0xb90 kernel/time/hrtimer.c:1643
 hrtimer_interrupt+0x38a/0x890 kernel/time/hrtimer.c:1705
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1122 [inline]
 smp_apic_timer_interrupt+0x110/0x460 arch/x86/kernel/apic/apic.c:1147
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:834
RIP: 0010:__orc_find arch/x86/kernel/unwind_orc.c:47 [inline]
RIP: 0010:orc_find arch/x86/kernel/unwind_orc.c:175 [inline]
RIP: 0010:unwind_next_frame+0x5ed/0x1ea0 arch/x86/kernel/unwind_orc.c:438
Code: a9 00 04 00 00 0f 84 1e 12 00 00 e9 41 12 00 00 49 89 d6 49 89 d5 4c 89 f8 4c 29 e8 48 89 c1 48 c1 f9 02 48 c1 e8 3f 48 01 c8 <48> 83 e0 fe 49 8d 5c 45 00 48 89 d8 48 c1 e8 03 48 b9 00 00 00 00
RSP: 0018:ffff8881f6f09160 EFLAGS: 00000202 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000002 RBX: ffffffff86b6fba8 RCX: 0000000000000002
RDX: ffffffff8650ded4 RSI: ffffffff867b9b16 RDI: 0000000000000001
RBP: ffff8881f6f09450 R08: 0000000000000003 R09: ffff8881f6f09560
R10: 0000000000000000 R11: dffffc0000000001 R12: ffffffff812fe292
R13: ffffffff8650ded4 R14: ffffffff8650ded4 R15: ffffffff8650dedc
 __unwind_start+0x708/0x890 arch/x86/kernel/unwind_orc.c:691
 unwind_start arch/x86/include/asm/unwind.h:60 [inline]
 arch_stack_walk+0xdd/0x140 arch/x86/kernel/stacktrace.c:24
 stack_trace_save+0x118/0x1c0 kernel/stacktrace.c:123
 save_stack mm/kasan/common.c:70 [inline]
 set_track mm/kasan/common.c:78 [inline]
 __kasan_kmalloc+0x171/0x210 mm/kasan/common.c:529
 slab_post_alloc_hook mm/slab.h:584 [inline]
 slab_alloc_node mm/slub.c:2829 [inline]
 slab_alloc mm/slub.c:2837 [inline]
 kmem_cache_alloc_trace+0xdc/0x260 mm/slub.c:2854
 kmalloc include/linux/slab.h:556 [inline]
 dst_cow_metrics_generic+0x52/0x1b0 net/core/dst.c:201
 dst_metrics_write_ptr include/net/dst.h:118 [inline]
 dst_metric_set include/net/dst.h:179 [inline]
 icmp6_dst_alloc+0x349/0x550 net/ipv6/route.c:3197
 ndisc_send_skb+0x262/0xc30 net/ipv6/ndisc.c:489
 addrconf_rs_timer+0x2d1/0x600 net/ipv6/addrconf.c:3953
 call_timer_fn+0x36/0x390 kernel/time/timer.c:1448
 expire_timers kernel/time/timer.c:1493 [inline]
 __run_timers+0x879/0xbe0 kernel/time/timer.c:1817
 run_timer_softirq+0x63/0xf0 kernel/time/timer.c:1830
 __do_softirq+0x23b/0x6b7 kernel/softirq.c:292
 invoke_softirq kernel/softirq.c:373 [inline]
 irq_exit+0x195/0x1c0 kernel/softirq.c:413
 exiting_irq arch/x86/include/asm/apic.h:538 [inline]
 smp_apic_timer_interrupt+0x11a/0x460 arch/x86/kernel/apic/apic.c:1149
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:834
 </IRQ>
RIP: 0010:__raw_spin_unlock_irq include/linux/spinlock_api_smp.h:169 [inline]
RIP: 0010:_raw_spin_unlock_irq+0x45/0x60 kernel/locking/spinlock.c:199
Code: 08 00 74 0c 48 c7 c7 90 3b eb 85 e8 75 12 43 fd 48 83 3d cd 2c 9a 01 00 74 29 48 89 df e8 e3 e7 fa fc 66 90 fb bf 01 00 00 00 <e8> 66 d4 f3 fc 65 8b 05 ab 7e b1 7b 85 c0 74 02 5b c3 e8 34 45 af
RSP: 0018:ffff8881dda2f750 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000001 RBX: ffff8881f6f57b40 RCX: dffffc0000000000
RDX: 0000000040000002 RSI: 0000000000000000 RDI: 0000000000000001
RBP: ffff8881dda2f7b0 R08: ffffffff81799989 R09: fffffbfff0c96e5b
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8881f6f57b40
R13: ffff8881e9729f80 R14: dffffc0000000000 R15: 0000000000000000
 finish_lock_switch kernel/sched/core.c:3347 [inline]
 finish_task_switch+0x130/0x590 kernel/sched/core.c:3447
 context_switch kernel/sched/core.c:3611 [inline]
 __schedule+0xb0d/0x1320 kernel/sched/core.c:4307
 preempt_schedule_irq+0xc7/0x140 kernel/sched/core.c:4558
 retint_kernel+0x1b/0x1b
RIP: 0010:wake_up_q+0x22/0xf0 kernel/sched/core.c:487
Code: 00 0f 1f 80 00 00 00 00 41 57 41 56 41 55 41 54 53 48 89 fb 49 bc 00 00 00 00 00 fc ff df 48 89 f8 48 c1 e8 03 42 80 3c 20 00 <74> 08 48 89 df e8 e4 8a 4f 00 4c 8b 2b eb 08 4c 89 f7 e8 47 95 f5
RSP: 0018:ffff8881dda2fa10 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
RAX: 1ffff1103bb45f60 RBX: ffff8881dda2fb00 RCX: 0000000000000001
RDX: ffffc9000194a000 RSI: 000000000002322c RDI: ffff8881dda2fb00
RBP: ffff8881dda2fb70 R08: ffffffff8158c0c6 R09: ffffed103cf340fd
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: 00000000ffffffff R14: dffffc0000000000 R15: 0000000000000001
 futex_wake+0x601/0x840 kernel/futex.c:1724
 do_futex+0x13fe/0x19f0 kernel/futex.c:3893
 __do_sys_futex kernel/futex.c:3949 [inline]
 __se_sys_futex+0x355/0x470 kernel/futex.c:3917
 do_syscall_64+0xca/0x1c0 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x5c/0xc1
RIP: 0033:0x7f2cec369f29
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 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 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f2ceb6c3178 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: ffffffffffffffda RBX: 00007f2cec4a1058 RCX: 00007f2cec369f29
RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007f2cec4a105c
RBP: 00007f2cec4a1050 R08: 00007ffc9addb0b0 R09: 00007f2ceb6c36c0
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f2cec4a105c
R13: 000000000000006e R14: 00007ffc9acf89d0 R15: 00007ffc9acf8ab8