watchdog: BUG: soft lockup - CPU#0 stuck for 123s! [syz.3.268:1311]
Modules linked in:
CPU: 0 PID: 1311 Comm: syz.3.268 Not tainted 6.1.90-syzkaller-00004-g79436849ef1d #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024
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 a0 fc 56 00 e9 6e ff ff ff e8 e6 3b b3 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:ffffc90000007498 EFLAGS: 00000282
RAX: ffffffff8143d05e RBX: ffffc900000074a0 RCX: ffffffff877a1000
RDX: ffffffff87888601 RSI: ffffffff8143d05e RDI: ffffc90000007580
RBP: ffffc90000007530 R08: ffffc90000007588 R09: 0000000000000018
R10: ffffc90000007590 R11: dffffc0000000001 R12: ffff88811b253cc0
R13: ffffffff8165c3e0 R14: ffffc90000007580 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055d02306ce38 CR3: 0000000131a43000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 stack_trace_save+0x113/0x1c0 kernel/stacktrace.c:122
 kasan_save_stack mm/kasan/common.c:45 [inline]
 kasan_set_track+0x4b/0x70 mm/kasan/common.c:52
 kasan_save_alloc_info+0x1f/0x30 mm/kasan/generic.c:505
 __kasan_slab_alloc+0x6c/0x80 mm/kasan/common.c:333
 kasan_slab_alloc include/linux/kasan.h:202 [inline]
 slab_post_alloc_hook+0x53/0x2c0 mm/slab.h:768
 slab_alloc_node mm/slub.c:3421 [inline]
 slab_alloc mm/slub.c:3429 [inline]
 __kmem_cache_alloc_lru mm/slub.c:3436 [inline]
 kmem_cache_alloc+0x175/0x2c0 mm/slub.c:3445
 dst_alloc+0x164/0x1e0 net/core/dst.c:92
 ip6_dst_alloc net/ipv6/route.c:345 [inline]
 icmp6_dst_alloc+0xf8/0x510 net/ipv6/route.c:3266
 ndisc_send_skb+0x28b/0xdc0 net/ipv6/ndisc.c:489
 ndisc_send_rs+0x47d/0x5f0 net/ipv6/ndisc.c:719
 addrconf_rs_timer+0x2d1/0x600 net/ipv6/addrconf.c:3984
 call_timer_fn+0x3b/0x2d0 kernel/time/timer.c:1510
 expire_timers kernel/time/timer.c:1555 [inline]
 __run_timers+0x72a/0xa10 kernel/time/timer.c:1826
 run_timer_softirq+0x69/0xf0 kernel/time/timer.c:1839
 __do_softirq+0x1d8/0x661 kernel/softirq.c:617
 invoke_softirq kernel/softirq.c:472 [inline]
 __irq_exit_rcu+0x50/0xf0 kernel/softirq.c:700
 irq_exit_rcu+0x9/0x10 kernel/softirq.c:712
 sysvec_apic_timer_interrupt+0x9a/0xc0 arch/x86/kernel/apic/apic.c:1106
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1b/0x20 arch/x86/include/asm/idtentry.h:653
RIP: 0010:preempt_schedule_irq+0xc2/0x140 kernel/sched/core.c:7056
Code: 4c 89 e7 e8 60 26 9f 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 34 e5 31 fc fb bf 01 00 00 00 <e8> a9 e4 ff ff fa bf 01 00 00 00 e8 be e6 31 fc 65 48 8b 1d 56 d3
RSP: 0018:ffffc90000d57460 EFLAGS: 00000246
RAX: 1ffff1102364a8f1 RBX: ffff88811b253cc0 RCX: ffffffff851f9900
RDX: 0000000000000000 RSI: 0000000000000008 RDI: 0000000000000001
RBP: ffffc90000d574f8 R08: dffffc0000000000 R09: ffffed102364a799
R10: 0000000000000000 R11: dffffc0000000001 R12: ffffc90000d57480
R13: 0000000000000000 R14: dffffc0000000000 R15: 1ffff920001aae8c
 raw_irqentry_exit_cond_resched+0x2a/0x30 kernel/entry/common.c:396
 irqentry_exit+0x30/0x40 kernel/entry/common.c:439
 sysvec_apic_timer_interrupt+0x55/0xc0 arch/x86/kernel/apic/apic.c:1106
 asm_sysvec_apic_timer_interrupt+0x1b/0x20 arch/x86/include/asm/idtentry.h:653
RIP: 0010:get_futex_key+0x1/0xc90 kernel/futex/core.c:223
Code: 89 33 eb 08 e8 80 ab 0a 00 45 31 ff 4c 89 f8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 55 <48> 89 e5 41 57 41 56 41 55 41 54 53 48 83 e4 e0 48 81 ec c0 00 00
RSP: 0018:ffffc90000d575f0 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 0000000000000000
RDX: ffffc90000d576c0 RSI: 0000000000000001 RDI: 00007fe8a24a5990
RBP: ffffc90000d577b0 R08: ffffffff816bb3ed R09: ffffc90000d576c0
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: 0000000000000001 R14: 1ffff920001aaecc R15: ffffc90000d576c0
 do_futex+0x501/0x9a0 kernel/futex/syscalls.c:113
 mm_release+0x1be/0x2e0 kernel/fork.c:1590
 exit_mm_release+0x25/0x30 kernel/fork.c:1607
 exit_mm kernel/exit.c:537 [inline]
 do_exit+0xa1b/0x2b80 kernel/exit.c:862
 do_group_exit+0x21a/0x2d0 kernel/exit.c:1025
 get_signal+0x169d/0x1820 kernel/signal.c:2880
 arch_do_signal_or_restart+0xb0/0x16f0 arch/x86/kernel/signal.c:871
 exit_to_user_mode_loop+0x74/0xa0 kernel/entry/common.c:174
 exit_to_user_mode_prepare+0x5a/0xa0 kernel/entry/common.c:210
 irqentry_exit_to_user_mode+0x9/0x10 kernel/entry/common.c:316
 irqentry_exit+0x12/0x40 kernel/entry/common.c:419
 sysvec_apic_timer_interrupt+0x55/0xc0 arch/x86/kernel/apic/apic.c:1106
 asm_sysvec_apic_timer_interrupt+0x1b/0x20 arch/x86/include/asm/idtentry.h:653
RIP: 0033:0x7fe8a17799ff
Code: 1f 84 00 00 00 00 00 0f 1f 40 00 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 a8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e
RSP: 002b:00007fe8a24a5038 EFLAGS: 00000217
RAX: 0000000000000000 RBX: 00007fe8a1915f80 RCX: 00007fe8a17799f9
RDX: 00000000200006c0 RSI: 0000000000005452 RDI: 0000000000000004
RBP: 00007fe8a17e78ee R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fe8a1915f80 R15: 00007fff0a1aab98
 </TASK>
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 1021 Comm: syz.3.204 Not tainted 6.1.90-syzkaller-00004-g79436849ef1d #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024
RIP: 0010:error_entry+0xb1/0x100 arch/x86/entry/entry_64.S:1102
Code: 48 39 8c 24 88 00 00 00 74 2e 89 c8 48 39 84 24 88 00 00 00 74 1a 48 81 bc 24 88 00 00 00 87 0f 20 85 75 03 0f 01 f8 0f ae e8 <48> 8d 44 24 08 c3 48 89 8c 24 88 00 00 00 0f 01 f8 0f ae e8 66 90
RSP: 0018:ffffc900001b0320 EFLAGS: 00000083
RAX: 0000000085200f0f RBX: 0000000000000000 RCX: ffffffff85200f0f
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001
RBP: ffffc900001b0329 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fe549a7a2c8 CR3: 0000000123bbe000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 __netdev_start_xmit include/linux/netdevice.h:4908 [inline]
 netdev_start_xmit include/linux/netdevice.h:4922 [inline]
 xmit_one net/core/dev.c:3634 [inline]
 dev_hard_start_xmit+0x1de/0x630 net/core/dev.c:3650
 __dev_queue_xmit+0x18a4/0x36e0 net/core/dev.c:4300
 dev_queue_xmit include/linux/netdevice.h:3076 [inline]
 neigh_hh_output include/net/neighbour.h:536 [inline]
 neigh_output include/net/neighbour.h:550 [inline]
 ip6_finish_output2+0x11f1/0x1840 net/ipv6/ip6_output.c:134
 __ip6_finish_output net/ipv6/ip6_output.c:201 [inline]
 ip6_finish_output+0x50f/0xa60 net/ipv6/ip6_output.c:212
 NF_HOOK_COND include/linux/netfilter.h:294 [inline]
 ip6_output+0x1f7/0x4d0 net/ipv6/ip6_output.c:233
 dst_output include/net/dst.h:444 [inline]
 NF_HOOK include/linux/netfilter.h:305 [inline]
 ndisc_send_skb+0x7cf/0xdc0 net/ipv6/ndisc.c:509
 ndisc_send_rs+0x47d/0x5f0 net/ipv6/ndisc.c:719
 addrconf_rs_timer+0x2d1/0x600 net/ipv6/addrconf.c:3984
 call_timer_fn+0x3b/0x2d0 kernel/time/timer.c:1510
 expire_timers kernel/time/timer.c:1555 [inline]
 __run_timers+0x72a/0xa10 kernel/time/timer.c:1826
 run_timer_softirq+0x69/0xf0 kernel/time/timer.c:1839
 __do_softirq+0x1d8/0x661 kernel/softirq.c:617
 invoke_softirq kernel/softirq.c:472 [inline]
 __irq_exit_rcu+0x50/0xf0 kernel/softirq.c:700
 irq_exit_rcu+0x9/0x10 kernel/softirq.c:712
 sysvec_apic_timer_interrupt+0x9a/0xc0 arch/x86/kernel/apic/apic.c:1106
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1b/0x20 arch/x86/include/asm/idtentry.h:653
RIP: 0010:finish_task_switch+0x16f/0x7b0 kernel/sched/core.c:5295
Code: 74 08 4c 89 ff e8 11 5c 6c 00 49 8b 1f 48 85 db 4c 8b 6d c0 0f 85 ce 00 00 00 4c 89 e7 e8 39 ff ce 03 fb 49 8d 9d 48 0b 00 00 <48> 89 d8 48 c1 e8 03 49 be 00 00 00 00 00 fc ff df 42 0f b6 04 30
RSP: 0018:ffffc90001026e20 EFLAGS: 00000282
RAX: 0000000080000001 RBX: ffff88811c488b48 RCX: 0000000000000002
RDX: 0000000040000000 RSI: 0000000000000000 RDI: 0000000000000001
RBP: ffffc90001026e70 R08: ffffffff819b54a0 R09: fffffbfff0ee5117
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8881f7137c80
R13: ffff88811c488000 R14: 1ffff1103ee270fc R15: ffff8881f71387e0
 context_switch kernel/sched/core.c:5421 [inline]
 __schedule+0xcaf/0x1550 kernel/sched/core.c:6744
 preempt_schedule_irq+0xc7/0x140 kernel/sched/core.c:7056
 raw_irqentry_exit_cond_resched+0x2a/0x30 kernel/entry/common.c:396
 irqentry_exit+0x30/0x40 kernel/entry/common.c:439
 sysvec_apic_timer_interrupt+0x55/0xc0 arch/x86/kernel/apic/apic.c:1106
 asm_sysvec_apic_timer_interrupt+0x1b/0x20 arch/x86/include/asm/idtentry.h:653
RIP: 0010:__sanitizer_cov_trace_const_cmp1+0x0/0x90 kernel/kcov.c:289
Code: 8d 41 28 4c 39 c8 77 1e 49 ff c2 4c 89 12 48 c7 44 11 08 06 00 00 00 48 89 7c 11 10 48 89 74 11 18 4c 89 44 11 20 5d c3 66 90 <55> 48 89 e5 4c 8b 45 08 65 48 8b 15 70 c8 8c 7e 65 8b 05 71 c8 8c
RSP: 0018:ffffc90001027138 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff81a53b80
RDX: ffff88811c488000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90001027288 R08: ffffffff81a53b9a R09: fffff940008ea69f
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: bfffffffffffffff R14: 0000000000000000 R15: ffffea00047534c0
 free_pages_and_swap_cache+0x8a/0xa0 mm/swap_state.c:315
 tlb_batch_pages_flush mm/mmu_gather.c:59 [inline]
 tlb_flush_mmu_free mm/mmu_gather.c:254 [inline]
 tlb_flush_mmu+0xfe/0x1d0 mm/mmu_gather.c:261
 zap_pte_range mm/memory.c:1540 [inline]
 zap_pmd_range mm/memory.c:1589 [inline]
 zap_pud_range mm/memory.c:1618 [inline]
 zap_p4d_range mm/memory.c:1639 [inline]
 unmap_page_range+0x219d/0x2480 mm/memory.c:1660
 unmap_single_vma mm/memory.c:1706 [inline]
 unmap_vmas+0x4e4/0x660 mm/memory.c:1746
 exit_mmap+0x2d1/0x940 mm/mmap.c:3336
 __mmput+0x95/0x310 kernel/fork.c:1298
 mmput+0x56/0x170 kernel/fork.c:1321
 exit_mm kernel/exit.c:566 [inline]
 do_exit+0xb29/0x2b80 kernel/exit.c:862
 do_group_exit+0x21a/0x2d0 kernel/exit.c:1025
 get_signal+0x169d/0x1820 kernel/signal.c:2880
 arch_do_signal_or_restart+0xb0/0x16f0 arch/x86/kernel/signal.c:871
 exit_to_user_mode_loop+0x74/0xa0 kernel/entry/common.c:174
 exit_to_user_mode_prepare+0x5a/0xa0 kernel/entry/common.c:210
 __syscall_exit_to_user_mode_work kernel/entry/common.c:292 [inline]
 syscall_exit_to_user_mode+0x26/0x130 kernel/entry/common.c:303
 do_syscall_64+0x47/0xb0 arch/x86/entry/common.c:87
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f02fbf799f9
Code: Unable to access opcode bytes at 0x7f02fbf799cf.
RSP: 002b:00007f02fbdff0e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: 0000000000000000 RBX: 00007f02fc115f88 RCX: 00007f02fbf799f9
RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007f02fc115f8c
RBP: 00007f02fc115f80 R08: 00007ffff8afd0b0 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f02fc115f8c
R13: 0000000000000000 R14: 00007ffff8adea10 R15: 00007ffff8adeaf8
 </TASK>
NMI backtrace for cpu 1
CPU: 1 PID: 1021 Comm: syz.3.204 Tainted: G             L     6.1.90-syzkaller-00004-g79436849ef1d #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:230 [inline]
RIP: 0010:native_write_msr arch/x86/include/asm/msr.h:147 [inline]
RIP: 0010:wrmsr arch/x86/include/asm/msr.h:254 [inline]
RIP: 0010:native_apic_msr_write+0x39/0x50 arch/x86/include/asm/apic.h:206
Code: 74 05 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 0a d1 6a 01 5d c3 0f 1f 84 00 00 00 00
RSP: 0018:ffffc900001b05d8 EFLAGS: 00000046
RAX: 0000000000000196 RBX: ffffffff86541a40 RCX: 0000000000000838
RDX: 0000000000000000 RSI: 0000000000000196 RDI: 0000000000000838
RBP: ffffc900001b05d8 R08: ffffffff816a14fb R09: ffffffff816a13ed
R10: 0000000000000002 R11: ffff88811c488000 R12: 0000000000000020
R13: dffffc0000000000 R14: 0000000000000196 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fe549a7a2c8 CR3: 0000000123bbe000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
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:478
 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:1095 [inline]
 __sysvec_apic_timer_interrupt+0xfd/0x3c0 arch/x86/kernel/apic/apic.c:1112
 sysvec_apic_timer_interrupt+0x44/0xc0 arch/x86/kernel/apic/apic.c:1106
 asm_sysvec_apic_timer_interrupt+0x1b/0x20 arch/x86/include/asm/idtentry.h:653
RIP: 0010:__should_failslab+0x84/0xf0 mm/failslab.c:41
Code: 75 24 80 3d 46 19 4a 05 00 74 1f 4d 8d 7e 08 4c 89 f8 48 c1 e8 03 42 0f b6 04 20 84 c0 75 56 41 f6 47 03 02 75 04 31 c0 eb 2b <c1> eb 0d 83 e3 01 49 83 c6 1c 4c 89 f0 48 c1 e8 03 42 0f b6 04 20
RSP: 0018:ffffc900001b08a0 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 0000000000000a20 RCX: 0000000000000048
RDX: 00000000ffffffff RSI: 0000000000000a20 RDI: ffff888100042900
RBP: ffffc900001b08c0 R08: ffffffff840d0d05 R09: ffffed102789c4db
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: ffffffff840d0d05 R14: ffff888100042900 R15: ffff888100042900
 should_failslab+0x9/0x20 mm/slab_common.c:1458
 slab_pre_alloc_hook mm/slab.h:743 [inline]
 slab_alloc_node mm/slub.c:3341 [inline]
 __kmem_cache_alloc_node+0x3d/0x250 mm/slub.c:3460
 kmalloc_trace+0x2a/0xa0 mm/slab_common.c:1047
 kmalloc include/linux/slab.h:556 [inline]
 dst_cow_metrics_generic+0x55/0x1c0 net/core/dst.c:199
 dst_metrics_write_ptr include/net/dst.h:119 [inline]
 dst_metric_set include/net/dst.h:180 [inline]
 icmp6_dst_alloc+0x363/0x510 net/ipv6/route.c:3279
 ndisc_send_skb+0x28b/0xdc0 net/ipv6/ndisc.c:489
 ndisc_send_rs+0x47d/0x5f0 net/ipv6/ndisc.c:719
 addrconf_rs_timer+0x2d1/0x600 net/ipv6/addrconf.c:3984
 call_timer_fn+0x3b/0x2d0 kernel/time/timer.c:1510
 expire_timers kernel/time/timer.c:1555 [inline]
 __run_timers+0x72a/0xa10 kernel/time/timer.c:1826
 run_timer_softirq+0x69/0xf0 kernel/time/timer.c:1839
 __do_softirq+0x1d8/0x661 kernel/softirq.c:617
 invoke_softirq kernel/softirq.c:472 [inline]
 __irq_exit_rcu+0x50/0xf0 kernel/softirq.c:700
 irq_exit_rcu+0x9/0x10 kernel/softirq.c:712
 sysvec_apic_timer_interrupt+0x9a/0xc0 arch/x86/kernel/apic/apic.c:1106
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1b/0x20 arch/x86/include/asm/idtentry.h:653
RIP: 0010:finish_task_switch+0x16f/0x7b0 kernel/sched/core.c:5295
Code: 74 08 4c 89 ff e8 11 5c 6c 00 49 8b 1f 48 85 db 4c 8b 6d c0 0f 85 ce 00 00 00 4c 89 e7 e8 39 ff ce 03 fb 49 8d 9d 48 0b 00 00 <48> 89 d8 48 c1 e8 03 49 be 00 00 00 00 00 fc ff df 42 0f b6 04 30
RSP: 0018:ffffc90001026e20 EFLAGS: 00000282
RAX: 0000000080000001 RBX: ffff88811c488b48 RCX: 0000000000000002
RDX: 0000000040000000 RSI: 0000000000000000 RDI: 0000000000000001
RBP: ffffc90001026e70 R08: ffffffff819b54a0 R09: fffffbfff0ee5117
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8881f7137c80
R13: ffff88811c488000 R14: 1ffff1103ee270fc R15: ffff8881f71387e0
 context_switch kernel/sched/core.c:5421 [inline]
 __schedule+0xcaf/0x1550 kernel/sched/core.c:6744
 preempt_schedule_irq+0xc7/0x140 kernel/sched/core.c:7056
 raw_irqentry_exit_cond_resched+0x2a/0x30 kernel/entry/common.c:396
 irqentry_exit+0x30/0x40 kernel/entry/common.c:439
 sysvec_apic_timer_interrupt+0x55/0xc0 arch/x86/kernel/apic/apic.c:1106
 asm_sysvec_apic_timer_interrupt+0x1b/0x20 arch/x86/include/asm/idtentry.h:653
RIP: 0010:__sanitizer_cov_trace_const_cmp1+0x0/0x90 kernel/kcov.c:289
Code: 8d 41 28 4c 39 c8 77 1e 49 ff c2 4c 89 12 48 c7 44 11 08 06 00 00 00 48 89 7c 11 10 48 89 74 11 18 4c 89 44 11 20 5d c3 66 90 <55> 48 89 e5 4c 8b 45 08 65 48 8b 15 70 c8 8c 7e 65 8b 05 71 c8 8c
RSP: 0018:ffffc90001027138 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff81a53b80
RDX: ffff88811c488000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90001027288 R08: ffffffff81a53b9a R09: fffff940008ea69f
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: bfffffffffffffff R14: 0000000000000000 R15: ffffea00047534c0
 free_pages_and_swap_cache+0x8a/0xa0 mm/swap_state.c:315
 tlb_batch_pages_flush mm/mmu_gather.c:59 [inline]
 tlb_flush_mmu_free mm/mmu_gather.c:254 [inline]
 tlb_flush_mmu+0xfe/0x1d0 mm/mmu_gather.c:261
 zap_pte_range mm/memory.c:1540 [inline]
 zap_pmd_range mm/memory.c:1589 [inline]
 zap_pud_range mm/memory.c:1618 [inline]
 zap_p4d_range mm/memory.c:1639 [inline]
 unmap_page_range+0x219d/0x2480 mm/memory.c:1660
 unmap_single_vma mm/memory.c:1706 [inline]
 unmap_vmas+0x4e4/0x660 mm/memory.c:1746
 exit_mmap+0x2d1/0x940 mm/mmap.c:3336
 __mmput+0x95/0x310 kernel/fork.c:1298
 mmput+0x56/0x170 kernel/fork.c:1321
 exit_mm kernel/exit.c:566 [inline]
 do_exit+0xb29/0x2b80 kernel/exit.c:862
 do_group_exit+0x21a/0x2d0 kernel/exit.c:1025
 get_signal+0x169d/0x1820 kernel/signal.c:2880
 arch_do_signal_or_restart+0xb0/0x16f0 arch/x86/kernel/signal.c:871
 exit_to_user_mode_loop+0x74/0xa0 kernel/entry/common.c:174
 exit_to_user_mode_prepare+0x5a/0xa0 kernel/entry/common.c:210
 __syscall_exit_to_user_mode_work kernel/entry/common.c:292 [inline]
 syscall_exit_to_user_mode+0x26/0x130 kernel/entry/common.c:303
 do_syscall_64+0x47/0xb0 arch/x86/entry/common.c:87
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f02fbf799f9
Code: Unable to access opcode bytes at 0x7f02fbf799cf.
RSP: 002b:00007f02fbdff0e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: 0000000000000000 RBX: 00007f02fc115f88 RCX: 00007f02fbf799f9
RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007f02fc115f8c
RBP: 00007f02fc115f80 R08: 00007ffff8afd0b0 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f02fc115f8c
R13: 0000000000000000 R14: 00007ffff8adea10 R15: 00007ffff8adeaf8
 </TASK>