watchdog: BUG: soft lockup - CPU#1 stuck for 121s! [syz.0.2358:9236]
Modules linked in:
CPU: 1 PID: 9236 Comm: syz.0.2358 Tainted: G        W         5.15.151-syzkaller-00059-g5356d2f17edf #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024
RIP: 0010:bpf_tree_comp kernel/bpf/core.c:606 [inline]
RIP: 0010:__lt_find include/linux/rbtree_latch.h:115 [inline]
RIP: 0010:latch_tree_find include/linux/rbtree_latch.h:208 [inline]
RIP: 0010:bpf_ksym_find kernel/bpf/core.c:688 [inline]
RIP: 0010:is_bpf_text_address+0x8d/0x190 kernel/bpf/core.c:722
Code: e7 03 4f 8d 2c 7f 49 f7 dd 4e 8d bc 2b 60 ff ff ff 4c 89 f8 48 c1 e8 03 42 80 3c 20 00 74 08 4c 89 ff e8 96 1d 34 00 4d 8b 3f <4c> 89 ff 4c 89 f6 e8 68 e5 f1 ff 4d 39 f7 76 0b e8 4e e3 f1 ff 48
RSP: 0018:ffffc900001cfdb0 EFLAGS: 00000246
RAX: 1ffff110246fd281 RBX: ffff8881237e94a8 RCX: ffff88812779bb40
RDX: 0000000000000502 RSI: ffffffff85a30f40 RDI: 0000000000000000
RBP: ffffc900001cfde0 R08: ffffc900001cff28 R09: 0000000000000037
R10: ffffc900001cff30 R11: dffffc0000000001 R12: dffffc0000000000
R13: 0000000000000000 R14: 0000000000000000 R15: ffffffffa003a000
FS:  0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2df1cff8 CR3: 000000010c511000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 kernel_text_address kernel/extable.c:151 [inline]
 __kernel_text_address+0x9b/0x110 kernel/extable.c:105
 unwind_get_return_address+0x4d/0x90 arch/x86/kernel/unwind_frame.c:19
 arch_stack_walk+0xf3/0x140 arch/x86/kernel/stacktrace.c:26
 stack_trace_save+0x113/0x1c0 kernel/stacktrace.c:122
 kasan_save_stack mm/kasan/common.c:38 [inline]
 kasan_set_track+0x4b/0x70 mm/kasan/common.c:45
 kasan_set_free_info+0x23/0x40 mm/kasan/generic.c:370
 ____kasan_slab_free+0x126/0x160 mm/kasan/common.c:365
 __kasan_slab_free+0x11/0x20 mm/kasan/common.c:373
 kasan_slab_free include/linux/kasan.h:193 [inline]
 slab_free_hook mm/slub.c:1723 [inline]
 slab_free_freelist_hook+0xbd/0x190 mm/slub.c:1749
 slab_free mm/slub.c:3519 [inline]
 kmem_cache_free+0x116/0x2e0 mm/slub.c:3535
 kfree_skbmem+0x104/0x170
 __kfree_skb net/core/skbuff.c:758 [inline]
 consume_skb+0xb4/0x250 net/core/skbuff.c:930
 netlink_broadcast_filtered+0x10f4/0x1220 net/netlink/af_netlink.c:1540
 netlink_broadcast net/netlink/af_netlink.c:1562 [inline]
 nlmsg_multicast include/net/netlink.h:1033 [inline]
 nlmsg_notify+0x101/0x1c0 net/netlink/af_netlink.c:2548
 rtnl_notify+0x9c/0xd0 net/core/rtnetlink.c:730
 __neigh_notify+0xcc/0x120 net/core/neighbour.c:3386
 neigh_cleanup_and_release+0x2c/0x1b0 net/core/neighbour.c:101
 neigh_del net/core/neighbour.c:197 [inline]
 neigh_remove_one+0x3a6/0x430 net/core/neighbour.c:218
 neigh_forced_gc net/core/neighbour.c:251 [inline]
 neigh_alloc net/core/neighbour.c:429 [inline]
 ___neigh_create+0x474/0x1bd0 net/core/neighbour.c:591
 __neigh_create+0x32/0x40 net/core/neighbour.c:679
 ip6_finish_output2+0x9ee/0x16e0 net/ipv6/ip6_output.c:123
 __ip6_finish_output+0x60f/0x7c0 net/ipv6/ip6_output.c:197
 ip6_finish_output+0x31/0x210 net/ipv6/ip6_output.c:207
 NF_HOOK_COND include/linux/netfilter.h:294 [inline]
 ip6_output+0x1f7/0x4d0 net/ipv6/ip6_output.c:230
 dst_output include/net/dst.h:444 [inline]
 NF_HOOK include/linux/netfilter.h:305 [inline]
 ndisc_send_skb+0x73e/0xc90 net/ipv6/ndisc.c:509
 ndisc_send_rs+0x532/0x6a0 net/ipv6/ndisc.c:703
 addrconf_rs_timer+0x2d1/0x600 net/ipv6/addrconf.c:3977
 call_timer_fn+0x3b/0x2d0 kernel/time/timer.c:1427
 expire_timers kernel/time/timer.c:1472 [inline]
 __run_timers+0x72a/0xa10 kernel/time/timer.c:1743
 run_timer_softirq+0x69/0xf0 kernel/time/timer.c:1756
 __do_softirq+0x26d/0x5bf kernel/softirq.c:565
 invoke_softirq kernel/softirq.c:425 [inline]
 __irq_exit_rcu+0x50/0xf0 kernel/softirq.c:648
 irq_exit_rcu+0x9/0x10 kernel/softirq.c:660
 sysvec_apic_timer_interrupt+0x9a/0xc0 arch/x86/kernel/apic/apic.c:1096
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1b/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0010:__schedule+0xcd4/0x1590
Code: 44 24 48 42 0f b6 04 28 84 c0 0f 85 7f 02 00 00 41 80 24 24 fc 4c 89 f7 48 8b 74 24 08 e8 14 cb 1c fc 48 89 c7 e8 4c 83 69 fc <48> 8b 44 24 50 48 c7 44 24 60 0e 36 e0 45 49 c7 44 05 00 00 00 00
RSP: 0018:ffffc90000bb73a0 EFLAGS: 00000282
RAX: 0000000080000001 RBX: 1ffff1103ee27081 RCX: 0000000000000002
RDX: 0000000000000001 RSI: 0000000000000008 RDI: 0000000000000001
RBP: ffffc90000bb7490 R08: dffffc0000000000 R09: ffffed1024ef3769
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff88812779bb40
R13: dffffc0000000000 R14: 0000000000000000 R15: ffff8881f7138408
 preempt_schedule_irq+0xc7/0x140 kernel/sched/core.c:6916
 irqentry_exit_cond_resched+0x2a/0x30 kernel/entry/common.c:392
 irqentry_exit+0x30/0x40 kernel/entry/common.c:426
 sysvec_apic_timer_interrupt+0x55/0xc0 arch/x86/kernel/apic/apic.c:1096
 asm_sysvec_apic_timer_interrupt+0x1b/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0010:page_ext_next include/linux/page_ext.h:68 [inline]
RIP: 0010:__reset_page_owner+0x8f/0x190 mm/page_owner.c:167
Code: 01 00 00 00 44 89 f9 d3 e0 44 89 f9 48 89 4d c8 45 31 e4 85 c0 44 0f 4f e0 48 c7 c0 80 45 c6 86 48 c1 e8 03 48 89 45 c0 eb 07 <48> 03 1d 2a da 0e 05 41 83 ff 1f 0f 87 a2 00 00 00 e8 6b d5 b8 ff
RSP: 0018:ffffc90000bb7628 EFLAGS: 00000246
RAX: 1ffffffff0d8c8b0 RBX: ffff8881040c7cb0 RCX: ffffffff81b76b81
RDX: 0000000000000001 RSI: 0000000000000008 RDI: ffff8881040c7cc4
RBP: ffffc90000bb7670 R08: dffffc0000000000 R09: ffffed1020818f97
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000
R13: ffff8881040c7cd0 R14: dffffc0000000000 R15: 0000000000000000
 reset_page_owner include/linux/page_owner.h:26 [inline]
 free_pages_prepare mm/page_alloc.c:1472 [inline]
 free_pcp_prepare mm/page_alloc.c:1544 [inline]
 free_unref_page_prepare+0x7c8/0x7d0 mm/page_alloc.c:3534
 free_unref_page+0xe8/0x750 mm/page_alloc.c:3616
 free_the_page mm/page_alloc.c:805 [inline]
 __free_pages+0x61/0xf0 mm/page_alloc.c:5853
 __vunmap+0x7bc/0x8f0 mm/vmalloc.c:2652
 __vfree mm/vmalloc.c:2700 [inline]
 vfree+0x7f/0xb0 mm/vmalloc.c:2731
 kcov_put kernel/kcov.c:408 [inline]
 kcov_close+0x2b/0x50 kernel/kcov.c:510
 __fput+0x3fe/0x910 fs/file_table.c:280
 ____fput+0x15/0x20 fs/file_table.c:308
 task_work_run+0x129/0x190 kernel/task_work.c:164
 exit_task_work include/linux/task_work.h:32 [inline]
 do_exit+0xc48/0x2ca0 kernel/exit.c:878
 do_group_exit+0x141/0x310 kernel/exit.c:1000
 get_signal+0x7a3/0x1630 kernel/signal.c:2896
 arch_do_signal_or_restart+0xbd/0x1680 arch/x86/kernel/signal.c:867
 handle_signal_work kernel/entry/common.c:148 [inline]
 exit_to_user_mode_loop+0xa0/0xe0 kernel/entry/common.c:172
 exit_to_user_mode_prepare+0x5a/0xa0 kernel/entry/common.c:208
 __syscall_exit_to_user_mode_work kernel/entry/common.c:290 [inline]
 syscall_exit_to_user_mode+0x26/0x160 kernel/entry/common.c:301
 do_syscall_64+0x49/0xb0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7f70a93aaf19
Code: Unable to access opcode bytes at RIP 0x7f70a93aaeef.
RSP: 002b:00007f70a802c0f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: 0000000000000001 RBX: 00007f70a953af68 RCX: 00007f70a93aaf19
RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007f70a953af6c
RBP: 00007f70a953af60 R08: 00007ffdfd93e0b0 R09: 00007f70a802c6c0
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f70a953af6c
R13: 000000000000000b R14: 00007ffdfd87af20 R15: 00007ffdfd87b008
 </TASK>
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 10 Comm: kworker/u4:1 Tainted: G        W         5.15.151-syzkaller-00059-g5356d2f17edf #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024
Workqueue: events_unbound toggle_allocation_gate
RIP: 0010:csd_lock_wait kernel/smp.c:440 [inline]
RIP: 0010:smp_call_function_many_cond+0x843/0x9b0 kernel/smp.c:969
Code: 45 8b 7d 00 44 89 fe 83 e6 01 31 ff e8 76 a8 0a 00 41 83 e7 01 49 bf 00 00 00 00 00 fc ff df 75 07 e8 b1 a4 0a 00 eb 38 f3 90 <42> 0f b6 04 3b 84 c0 75 11 41 f7 45 00 01 00 00 00 74 1e e8 95 a4
RSP: 0018:ffffc900000a7880 EFLAGS: 00000293
RAX: ffffffff81659c3b RBX: 1ffff1103ee2784d RCX: ffff88810026a780
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffffc900000a7998 R08: ffffffff81659c0a R09: ffffed103ee071d3
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000001
R13: ffff8881f713c268 R14: ffff8881f7038e80 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fc28e753d60 CR3: 0000000006a0f000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000020000300 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <NMI>
 </NMI>
 <TASK>
 on_each_cpu_cond_mask+0x40/0x80 kernel/smp.c:1135
 on_each_cpu include/linux/smp.h:71 [inline]
 text_poke_sync arch/x86/kernel/alternative.c:1201 [inline]
 text_poke_bp_batch+0x1c4/0x5d0 arch/x86/kernel/alternative.c:1392
 text_poke_flush arch/x86/kernel/alternative.c:1560 [inline]
 text_poke_finish+0x1a/0x30 arch/x86/kernel/alternative.c:1567
 arch_jump_label_transform_apply+0x15/0x30 arch/x86/kernel/jump_label.c:146
 __jump_label_update+0x36a/0x380 kernel/jump_label.c:459
 jump_label_update+0x3af/0x450 kernel/jump_label.c:830
 static_key_enable_cpuslocked+0x12f/0x250 kernel/jump_label.c:177
 static_key_enable+0x1a/0x30 kernel/jump_label.c:190
 toggle_allocation_gate+0xbf/0x460 mm/kfence/core.c:729
 process_one_work+0x6bb/0xc10 kernel/workqueue.c:2325
 worker_thread+0xad5/0x12a0 kernel/workqueue.c:2472
 kthread+0x421/0x510 kernel/kthread.c:337
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298
 </TASK>
NMI backtrace for cpu 1
CPU: 1 PID: 9236 Comm: syz.0.2358 Tainted: G        W    L    5.15.151-syzkaller-00059-g5356d2f17edf #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024
RIP: 0010:arch_static_branch arch/x86/include/asm/jump_label.h:27 [inline]
RIP: 0010:static_key_false include/linux/jump_label.h:235 [inline]
RIP: 0010:native_write_msr arch/x86/include/asm/msr.h:156 [inline]
RIP: 0010:wrmsr arch/x86/include/asm/msr.h:263 [inline]
RIP: 0010:native_apic_msr_write+0x3b/0x50 arch/x86/include/asm/apic.h:207
Code: 83 ff 30 75 12 5d c3 81 ff d0 00 00 00 74 f6 81 ff e0 00 00 00 74 ee c1 ef 04 81 c7 00 08 00 00 89 f9 89 f0 31 d2 0f 30 66 90 <eb> d9 89 f6 31 d2 e8 9a de 51 01 5d c3 0f 1f 84 00 00 00 00 00 55
RSP: 0018:ffffc900001cfdf8 EFLAGS: 00000046
RAX: 00000000000000cb RBX: ffffffff862599c8 RCX: 0000000000000838
RDX: 0000000000000000 RSI: 00000000000000cb RDI: 0000000000000838
RBP: ffffc900001cfdf8 R08: ffffffff8163ac8b R09: ffffffff8163ab7d
R10: 0000000000000002 R11: ffff88812779bb40 R12: 0000000000000020
R13: dffffc0000000000 R14: 00000000000000cb R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fb20b25a000 CR3: 000000010c511000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 apic_write arch/x86/include/asm/apic.h:394 [inline]
 lapic_next_event+0x5f/0x70 arch/x86/kernel/apic/apic.c:468
 clockevents_program_event+0x1c1/0x300 kernel/time/clockevents.c:334
 tick_program_event+0x9f/0x120 kernel/time/tick-oneshot.c:44
 hrtimer_interrupt+0x625/0xaa0 kernel/time/hrtimer.c:1824
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1085 [inline]
 __sysvec_apic_timer_interrupt+0xfd/0x3c0 arch/x86/kernel/apic/apic.c:1102
 sysvec_apic_timer_interrupt+0x44/0xc0 arch/x86/kernel/apic/apic.c:1096
 asm_sysvec_apic_timer_interrupt+0x1b/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0010:sk_filter_trim_cap+0x1c5/0x6f0 net/core/filter.c:145
Code: e9 da 02 00 00 e8 0b 1e 6f fd 49 8d 9e 10 01 00 00 48 89 d8 48 c1 e8 03 42 80 3c 28 00 74 08 48 89 df e8 be 73 c4 fd 48 8b 1b <48> 85 db 0f 84 07 02 00 00 48 8b 44 24 18 48 83 c0 18 48 89 c1 48
RSP: 0018:ffffc900001d00c0 EFLAGS: 00000246
RAX: 1ffff110230ab8aa RBX: 0000000000000000 RCX: ffff88812779bb40
RDX: ffff88812779bb40 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc900001d01d0 R08: ffffffff83ee0712 R09: 0000000000000003
R10: fffffbfff0ea6128 R11: dffffc0000000001 R12: 0000000000000020
R13: dffffc0000000000 R14: ffff88811855c440 R15: 1ffff9200003a024
 tcp_filter net/ipv4/tcp_ipv4.c:1935 [inline]
 tcp_v4_rcv+0x2017/0x2a70 net/ipv4/tcp_ipv4.c:2102
 ip_protocol_deliver_rcu+0x32f/0x710 net/ipv4/ip_input.c:204
 ip_local_deliver_finish net/ipv4/ip_input.c:231 [inline]
 NF_HOOK include/linux/netfilter.h:305 [inline]
 ip_local_deliver+0x2c6/0x590 net/ipv4/ip_input.c:252
 dst_input include/net/dst.h:454 [inline]
 ip_sublist_rcv_finish net/ipv4/ip_input.c:577 [inline]
 ip_list_rcv_finish net/ipv4/ip_input.c:628 [inline]
 ip_sublist_rcv+0x7e2/0x980 net/ipv4/ip_input.c:636
 ip_list_rcv+0x422/0x470 net/ipv4/ip_input.c:671
 __netif_receive_skb_list_ptype net/core/dev.c:5535 [inline]
 __netif_receive_skb_list_core+0x6b1/0x890 net/core/dev.c:5583
 __netif_receive_skb_list net/core/dev.c:5635 [inline]
 netif_receive_skb_list_internal+0x967/0xcc0 net/core/dev.c:5726
 gro_normal_list net/core/dev.c:5880 [inline]
 napi_complete_done+0x344/0x770 net/core/dev.c:6618
 virtqueue_napi_complete drivers/net/virtio_net.c:357 [inline]
 virtnet_poll+0xbee/0x1260 drivers/net/virtio_net.c:1592
 __napi_poll+0xc4/0x5a0 net/core/dev.c:7042
 napi_poll net/core/dev.c:7109 [inline]
 net_rx_action+0x47d/0xc50 net/core/dev.c:7196
 __do_softirq+0x26d/0x5bf kernel/softirq.c:565
 invoke_softirq kernel/softirq.c:425 [inline]
 __irq_exit_rcu+0x50/0xf0 kernel/softirq.c:648
 irq_exit_rcu+0x9/0x10 kernel/softirq.c:660
 sysvec_apic_timer_interrupt+0x9a/0xc0 arch/x86/kernel/apic/apic.c:1096
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1b/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0010:preempt_schedule_irq+0xc2/0x140 kernel/sched/core.c:6916
Code: 4c 89 e7 e8 20 e6 ce fc f6 44 24 21 02 74 0b 0f 0b 48 f7 03 08 00 00 00 74 4d bf 01 00 00 00 e8 44 94 68 fc fb bf 01 00 00 00 <e8> e9 e3 ff ff fa bf 01 00 00 00 e8 ce 95 68 fc 65 48 8b 1d 66 d8
RSP: 0018:ffffc90000bb71c0 EFLAGS: 00000246
RAX: 1ffff11024ef38be RBX: ffff88812779bb40 RCX: ffffffff84e56700
RDX: 0000000000000000 RSI: 0000000000000008 RDI: 0000000000000001
RBP: ffffc90000bb7258 R08: dffffc0000000000 R09: ffffed1024ef3769
R10: 0000000000000000 R11: dffffc0000000001 R12: ffffc90000bb71e0
R13: 0000000000000000 R14: dffffc0000000000 R15: 1ffff92000176e38
 irqentry_exit_cond_resched+0x2a/0x30 kernel/entry/common.c:392
 irqentry_exit+0x30/0x40 kernel/entry/common.c:426
 sysvec_apic_timer_interrupt+0x55/0xc0 arch/x86/kernel/apic/apic.c:1096
 asm_sysvec_apic_timer_interrupt+0x1b/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0010:stack_trace_consume_entry+0x0/0x290 kernel/stacktrace.c:83
Code: ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 7b ff ff ff 48 89 df e8 00 1f 53 00 e9 6e ff ff ff e8 b6 d8 7f 03 66 0f 1f 44 00 00 <55> 48 89 e5 41 57 41 56 41 55 41 54 53 48 83 ec 20 48 89 fb 48 ba
RSP: 0018:ffffc90000bb7358 EFLAGS: 00000282
RAX: ffffffff81456183 RBX: ffffc90000bb7360 RCX: 0000000000bb7301
RDX: 1ffff92000176e6e RSI: ffffffff81456183 RDI: ffffc90000bb7440
RBP: ffffc90000bb73f0 R08: ffffc90000bb7448 R09: 000000000000000a
R10: ffffc90000bb7450 R11: dffffc0000000001 R12: ffff88812779bb40
R13: ffffffff815f5bf0 R14: ffffc90000bb7440 R15: 0000000000000000
 stack_trace_save+0x113/0x1c0 kernel/stacktrace.c:122
 save_stack+0xf6/0x1e0 mm/page_owner.c:139
 __reset_page_owner+0x36/0x190 mm/page_owner.c:156
 reset_page_owner include/linux/page_owner.h:26 [inline]
 free_pages_prepare mm/page_alloc.c:1472 [inline]
 free_pcp_prepare mm/page_alloc.c:1544 [inline]
 free_unref_page_prepare+0x7c8/0x7d0 mm/page_alloc.c:3534
 free_unref_page+0xe8/0x750 mm/page_alloc.c:3616
 free_the_page mm/page_alloc.c:805 [inline]
 __free_pages+0x61/0xf0 mm/page_alloc.c:5853
 __vunmap+0x7bc/0x8f0 mm/vmalloc.c:2652
 __vfree mm/vmalloc.c:2700 [inline]
 vfree+0x7f/0xb0 mm/vmalloc.c:2731
 kcov_put kernel/kcov.c:408 [inline]
 kcov_close+0x2b/0x50 kernel/kcov.c:510
 __fput+0x3fe/0x910 fs/file_table.c:280
 ____fput+0x15/0x20 fs/file_table.c:308
 task_work_run+0x129/0x190 kernel/task_work.c:164
 exit_task_work include/linux/task_work.h:32 [inline]
 do_exit+0xc48/0x2ca0 kernel/exit.c:878
 do_group_exit+0x141/0x310 kernel/exit.c:1000
 get_signal+0x7a3/0x1630 kernel/signal.c:2896
 arch_do_signal_or_restart+0xbd/0x1680 arch/x86/kernel/signal.c:867
 handle_signal_work kernel/entry/common.c:148 [inline]
 exit_to_user_mode_loop+0xa0/0xe0 kernel/entry/common.c:172
 exit_to_user_mode_prepare+0x5a/0xa0 kernel/entry/common.c:208
 __syscall_exit_to_user_mode_work kernel/entry/common.c:290 [inline]
 syscall_exit_to_user_mode+0x26/0x160 kernel/entry/common.c:301
 do_syscall_64+0x49/0xb0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7f70a93aaf19
Code: Unable to access opcode bytes at RIP 0x7f70a93aaeef.
RSP: 002b:00007f70a802c0f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: 0000000000000001 RBX: 00007f70a953af68 RCX: 00007f70a93aaf19
RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007f70a953af6c
RBP: 00007f70a953af60 R08: 00007ffdfd93e0b0 R09: 00007f70a802c6c0
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f70a953af6c
R13: 000000000000000b R14: 00007ffdfd87af20 R15: 00007ffdfd87b008
 </TASK>