kthread+0x34b/0x3d0 kernel/kthread.c:313
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298
watchdog: BUG: soft lockup - CPU#1 stuck for 123s! [syz-executor.0:454]
Modules linked in:
CPU: 1 PID: 454 Comm: syz-executor.0 Not tainted 5.10.234-syzkaller-1006684-g094fc3778d6b #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
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:ffffc90000c17800 EFLAGS: 00000293
RAX: ffffffff815fd644 RBX: 1ffff92000182f09 RCX: ffff88811251e2c0
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffffc90000c178f0 R08: ffffffff815fd616 R09: ffffed103ee0aec9
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: 0000000000000001 R14: ffffc90000c17848 R15: 0000000000000000
FS:  000055557c02a480(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020010000 CR3: 0000000110333000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 </IRQ>
 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_disable_cpuslocked+0xcd/0x1b0 kernel/jump_label.c:207
 static_key_disable+0x1a/0x30 kernel/jump_label.c:215
 tracepoint_remove_func kernel/tracepoint.c:438 [inline]
 tracepoint_probe_unregister+0x6e0/0x9e0 kernel/tracepoint.c:572
 bpf_probe_unregister+0x61/0x70 kernel/trace/bpf_trace.c:2135
 bpf_raw_tp_link_release+0x63/0x90 kernel/bpf/syscall.c:2767
 bpf_link_free kernel/bpf/syscall.c:2356 [inline]
 bpf_link_put+0x1fd/0x280 kernel/bpf/syscall.c:2382
 bpf_link_release+0x3b/0x40 kernel/bpf/syscall.c:2390
 __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
 tracehook_notify_resume include/linux/tracehook.h:188 [inline]
 exit_to_user_mode_loop+0xbf/0xd0 kernel/entry/common.c:172
 exit_to_user_mode_prepare kernel/entry/common.c:199 [inline]
 syscall_exit_to_user_mode+0xa2/0x1a0 kernel/entry/common.c:274
 do_syscall_64+0x40/0x70 arch/x86/entry/common.c:56
 entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7f664af37c9a
Code: 48 3d 00 f0 ff ff 77 48 c3 0f 1f 80 00 00 00 00 48 83 ec 18 89 7c 24 0c e8 03 7f 02 00 8b 7c 24 0c 89 c2 b8 03 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 36 89 d7 89 44 24 0c e8 63 7f 02 00 8b 44 24
RSP: 002b:00007ffea41fec20 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: 0000000000000000 RBX: 0000000000000006 RCX: 00007f664af37c9a
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000005
RBP: 0000000000000032 R08: 0000001b32860000 R09: 00007f664b066f8c
R10: 00007ffea41fed70 R11: 0000000000000293 R12: 00007f664aabc450
R13: ffffffffffffffff R14: 00007f664aabb000 R15: 000000000000fd07
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 54 Comm: kworker/0:2 Not tainted 5.10.234-syzkaller-1006684-g094fc3778d6b #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
Workqueue: ipv6_addrconf addrconf_dad_work
RIP: 0010:native_halt arch/x86/include/asm/irqflags.h:66 [inline]
RIP: 0010:halt arch/x86/include/asm/irqflags.h:112 [inline]
RIP: 0010:kvm_wait+0xec/0x150 arch/x86/kernel/kvm.c:921
Code: 03 42 0f b6 04 20 84 c0 75 6a 41 0f b6 45 00 44 38 f0 75 26 41 f7 c7 00 02 00 00 75 0f 0f 1f 44 00 00 0f 00 2d a5 53 d5 03 f4 <eb> 0e 0f 1f 44 00 00 0f 00 2d 96 53 d5 03 fb f4 4c 89 7c 24 18 ff
RSP: 0018:ffffc90000ab7020 EFLAGS: 00000046
RAX: 0000000000000003 RBX: 1ffff92000156e08 RCX: ffffffff8150ca54
RDX: 0000000000000001 RSI: 0000000000000003 RDI: ffffc90000ab7060
RBP: ffffc90000ab70d0 R08: dffffc0000000000 R09: ffffed103ee08f09
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: ffff8881f7047840 R14: 0000000000000003 R15: 0000000000000046
FS:  0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000c001380000 CR3: 000000010d282000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 pv_wait arch/x86/include/asm/paravirt.h:564 [inline]
 pv_wait_head_or_lock kernel/locking/qspinlock_paravirt.h:470 [inline]
 __pv_queued_spin_lock_slowpath+0x72f/0xc70 kernel/locking/qspinlock.c:508
 pv_queued_spin_lock_slowpath arch/x86/include/asm/paravirt.h:554 [inline]
 queued_spin_lock_slowpath arch/x86/include/asm/qspinlock.h:51 [inline]
 queued_spin_lock include/asm-generic/qspinlock.h:85 [inline]
 do_raw_spin_lock_flags include/linux/spinlock.h:195 [inline]
 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:119 [inline]
 _raw_spin_lock_irqsave+0x1a0/0x210 kernel/locking/spinlock.c:159
 lock_timer_base+0x12f/0x270 kernel/time/timer.c:952
 __mod_timer+0x1c9/0xcf0 kernel/time/timer.c:1025
 add_timer+0x68/0x80 kernel/time/timer.c:1165
 __queue_delayed_work+0x16d/0x1f0 kernel/workqueue.c:1683
 queue_delayed_work_on+0x10f/0x160 kernel/workqueue.c:1708
 queue_delayed_work include/linux/workqueue.h:530 [inline]
 schedule_delayed_work include/linux/workqueue.h:634 [inline]
 kvfree_call_rcu+0x495/0x650 kernel/rcu/tree.c:3564
 trie_delete_elem+0x58f/0x760 kernel/bpf/lpm_trie.c:538
 bpf_prog_2c29ac5cdc6b1842+0x3a/0xbd8
 bpf_dispatcher_nop_func include/linux/bpf.h:669 [inline]
 __bpf_trace_run kernel/trace/bpf_trace.c:2061 [inline]
 bpf_trace_run3+0x121/0x2c0 kernel/trace/bpf_trace.c:2099
 __bpf_trace_timer_start+0x2b/0x40 include/trace/events/timer.h:52
 trace_timer_start include/trace/events/timer.h:52 [inline]
 enqueue_timer+0x351/0x4c0 kernel/time/timer.c:592
 internal_add_timer kernel/time/timer.c:617 [inline]
 __mod_timer+0x8d3/0xcf0 kernel/time/timer.c:1068
 mod_timer+0x1f/0x30 kernel/time/timer.c:1119
 mld_dad_start_timer net/ipv6/mcast.c:1065 [inline]
 ipv6_mc_dad_complete+0x264/0x3a0 net/ipv6/mcast.c:2103
 addrconf_dad_completed+0x6df/0xd90 net/ipv6/addrconf.c:4263
 addrconf_dad_work+0xe57/0x1700 net/ipv6/addrconf.c:-1
 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