watchdog: BUG: soft lockup - CPU#0 stuck for 123s! [syz.0.2198:8178]
Modules linked in:
CPU: 0 PID: 8178 Comm: syz.0.2198 Tainted: G        W         5.10.234-syzkaller-00023-g3f5f2283d684 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
RIP: 0010:addrconf_rs_timer+0x9b/0x600
Code: fd 49 8d 9d 98 fd ff ff 48 89 d8 48 c1 e8 03 42 80 3c 20 00 74 08 48 89 df e8 d1 36 7f fd 48 89 5c 24 28 49 8b 85 98 fd ff ff <48> 89 44 24 08 ba 10 00 00 00 4c 89 ff 31 f6 e8 d1 38 7f fd 4d 8d
RSP: 0018:ffffc90000007ca0 EFLAGS: 00000246
RAX: ffff888135992000 RBX: ffff8881278be000 RCX: ffff8881359262c0
RDX: 0000000000000101 RSI: ffffffff84292740 RDI: ffff8881278be268
RBP: ffffc90000007d70 R08: ffffffff815af23f R09: ffffed103ee08f11
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: ffff8881278be268 R14: 1ffff92000000f9c R15: ffffc90000007d00
FS:  0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ff4f3d8e2d9 CR3: 0000000152144000 CR4: 00000000003506b0
DR0: 0000400000000300 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 call_timer_fn+0x3b/0x2d0 kernel/time/timer.c:1450
 expire_timers kernel/time/timer.c:1495 [inline]
 __run_timers+0x72a/0xa10 kernel/time/timer.c:1789
 run_timer_softirq+0x69/0xf0 kernel/time/timer.c:1802
 __do_softirq+0x268/0x5bb kernel/softirq.c:309
 asm_call_irq_on_stack+0xf/0x20
 </IRQ>
 __run_on_irqstack arch/x86/include/asm/irq_stack.h:26 [inline]
 run_on_irqstack_cond arch/x86/include/asm/irq_stack.h:77 [inline]
 do_softirq_own_stack+0x60/0x80 arch/x86/kernel/irq_64.c:77
 invoke_softirq kernel/softirq.c:405 [inline]
 __irq_exit_rcu+0x128/0x150 kernel/softirq.c:435
 irq_exit_rcu+0x9/0x10 kernel/softirq.c:447
 sysvec_apic_timer_interrupt+0xbf/0xe0 arch/x86/kernel/apic/apic.c:1106
 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:635
RIP: 0010:pvclock_clocksource_read+0x595/0x630 arch/x86/kernel/pvclock.c:85
Code: 75 c8 4c 8b 4d c0 4c 8b 45 a8 48 8b 7d b8 e9 3c fc ff ff f6 c3 02 75 72 4c 8b b5 78 ff ff ff 4c 03 75 80 f6 05 e3 0c b2 05 01 <74> 05 83 e3 01 75 42 48 c7 c7 60 80 08 87 be 08 00 00 00 e8 23 9f
RSP: 0018:ffffc90000b57588 EFLAGS: 00000202
RAX: 0000000000000000 RBX: 0000000000000001 RCX: 1ffffffff0e10e00
RDX: 1ffffffff0e10e00 RSI: ffffffff8708701c RDI: ffffffff8708701d
RBP: ffffc90000b57628 R08: ffffffff87087008 R09: ffffffff87087018
R10: ffffffff87087010 R11: ffffffff87087003 R12: dffffc0000000000
R13: ffffffff87087000 R14: 000000ff16f0ede4 R15: 1ffffffff0e10e03
 kvm_clock_read arch/x86/kernel/kvmclock.c:80 [inline]
 kvm_sched_clock_read+0x18/0x40 arch/x86/kernel/kvmclock.c:92
 paravirt_sched_clock arch/x86/include/asm/paravirt.h:22 [inline]
 sched_clock+0x3a/0x40 arch/x86/kernel/tsc.c:252
 sched_clock_cpu+0x1b/0x3b0 kernel/sched/clock.c:371
 local_clock include/linux/sched/clock.h:84 [inline]
 __reset_page_owner+0x28/0x150 mm/page_owner.c:172
 reset_page_owner include/linux/page_owner.h:28 [inline]
 free_pages_prepare mm/page_alloc.c:1349 [inline]
 free_pcp_prepare mm/page_alloc.c:1421 [inline]
 free_unref_page_prepare+0x2ae/0x2d0 mm/page_alloc.c:3336
 free_unref_page mm/page_alloc.c:3391 [inline]
 free_the_page+0x9e/0x370 mm/page_alloc.c:5407
 __free_pages+0x67/0xc0 mm/page_alloc.c:5418
 __vunmap+0x7c1/0x940 mm/vmalloc.c:2301
 __vfree mm/vmalloc.c:2350 [inline]
 vfree+0x5c/0x80 mm/vmalloc.c:2381
 kcov_put kernel/kcov.c:408 [inline]
 kcov_close+0x2b/0x50 kernel/kcov.c:510
 __fput+0x33d/0x7b0 fs/file_table.c:281
 ____fput+0x15/0x20 fs/file_table.c:314
 task_work_run+0x129/0x190 kernel/task_work.c:189
 exit_task_work include/linux/task_work.h:33 [inline]
 do_exit+0xc83/0x2a50 kernel/exit.c:863
 do_group_exit+0x141/0x310 kernel/exit.c:985
 get_signal+0x10a0/0x1410 kernel/signal.c:2793
 arch_do_signal_or_restart+0xbd/0x17c0 arch/x86/kernel/signal.c:805
 handle_signal_work kernel/entry/common.c:145 [inline]
 exit_to_user_mode_loop+0x9b/0xd0 kernel/entry/common.c:169
 exit_to_user_mode_prepare kernel/entry/common.c:199 [inline]
 irqentry_exit_to_user_mode+0x4e/0x80 kernel/entry/common.c:287
 irqentry_exit+0x12/0x60 kernel/entry/common.c:375
 sysvec_apic_timer_interrupt+0xcb/0xe0 arch/x86/kernel/apic/apic.c:1106
 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:635
RIP: 0033:0x7f6fde9d8fc7
Code: Unable to access opcode bytes at RIP 0x7f6fde9d8f9d.
RSP: 002b:00007f6fdd173060 EFLAGS: 00000246
RAX: 000000000006cfe0 RBX: 00007f6fded21fa0 RCX: 00007f6fded21fa0
RDX: 00007f6fdec12840 RSI: 0000400000000000 RDI: ffffffffffffff9c
RBP: 00007f6fdeb8a2a0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f6fded21fa0 R15: 00007ffe7236a798
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 9 Comm: kworker/u4:1 Tainted: G        W         5.10.234-syzkaller-00023-g3f5f2283d684 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
Workqueue: events_unbound toggle_allocation_gate
RIP: 0010:csd_lock_wait kernel/smp.c:229 [inline]
RIP: 0010:smp_call_function_single+0x278/0x510 kernel/smp.c:517
Code: 0f 85 18 02 00 00 44 8b 6c 24 48 44 89 ee 83 e6 01 31 ff e8 ea ec 0a 00 41 83 e5 01 75 0a e8 2f e9 0a 00 e9 eb 00 00 00 f3 90 <42> 0f b6 04 23 84 c0 75 15 f7 44 24 48 01 00 00 00 0f 84 cd 00 00
RSP: 0018:ffffc90000097720 EFLAGS: 00000293
RAX: ffffffff815fd654 RBX: 1ffff92000012eed RCX: ffff8881002493c0
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffffc90000097810 R08: ffffffff815fd626 R09: ffffed103ee0aec9
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: 0000000000000001 R14: ffffc90000097768 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f0949615000 CR3: 000000000660f000 CR4: 00000000003506a0
DR0: 0000400000000300 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <NMI>
 </NMI>
 smp_call_function_many_cond+0x94e/0xa30 kernel/smp.c:653
 smp_call_function_many kernel/smp.c:716 [inline]
 smp_call_function kernel/smp.c:738 [inline]
 on_each_cpu+0xa8/0x1a0 kernel/smp.c:837
 text_poke_sync arch/x86/kernel/alternative.c:1318 [inline]
 text_poke_bp_batch+0x1d4/0x600 arch/x86/kernel/alternative.c:1509
 text_poke_flush arch/x86/kernel/alternative.c:1677 [inline]
 text_poke_finish+0x1a/0x30 arch/x86/kernel/alternative.c:1684
 arch_jump_label_transform_apply+0x15/0x30 arch/x86/kernel/jump_label.c:126
 __jump_label_update+0x36a/0x380 kernel/jump_label.c:459
 jump_label_update+0x379/0x400 kernel/jump_label.c:825
 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/0x450 mm/kfence/core.c:624
 process_one_work+0x6dc/0xbd0 kernel/workqueue.c:2301
 worker_thread+0xaea/0x1510 kernel/workqueue.c:2447
 kthread+0x34b/0x3d0 kernel/kthread.c:313
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298