RBP: 00007f42562a8f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f425647d128 R14: 00007f425647d090 R15: 00007ffe4a120528
 </TASK>
watchdog: BUG: soft lockup - CPU#1 stuck for 225s! [syz.3.155:900]
Modules linked in:
CPU: 1 PID: 900 Comm: syz.3.155 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
RIP: 0010:csd_lock_wait kernel/smp.c:440 [inline]
RIP: 0010:smp_call_function_many_cond+0x8c3/0x9f0 kernel/smp.c:969
Code: 84 c0 0f 85 9d 00 00 00 41 8b 1f 89 de 83 e6 01 31 ff e8 90 37 0a 00 83 e3 01 48 8b 5c 24 10 75 07 e8 d1 33 0a 00 eb 42 f3 90 <48> b8 00 00 00 00 00 fc ff df 41 0f b6 44 05 00 84 c0 75 10 41 f7
RSP: 0018:ffffc90000b771c0 EFLAGS: 00000293
RAX: ffffffff815e8b05 RBX: ffff8881f7138e80 RCX: ffff8881150e4f00
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffffc90000b772d8 R08: dffffc0000000000 R09: ffffed103ee271d3
R10: ffffed103ee271d3 R11: 1ffff1103ee271d2 R12: 1ffff1103ee271d0
R13: 1ffff1103ee07af9 R14: 0000000000000000 R15: ffff8881f703d7c8
FS:  0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c2cc25f CR3: 000000000660f000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
Call Trace:
 <TASK>
 on_each_cpu_cond_mask+0x43/0x80 kernel/smp.c:1135
 on_each_cpu include/linux/smp.h:71 [inline]
 text_poke_sync arch/x86/kernel/alternative.c:1442 [inline]
 text_poke_bp_batch+0x1cd/0x5a0 arch/x86/kernel/alternative.c:1642
 text_poke_bp+0xc8/0x140 arch/x86/kernel/alternative.c:1879
 __static_call_transform+0x318/0x500 arch/x86/kernel/static_call.c:111
 arch_static_call_transform+0xb0/0x260 arch/x86/kernel/static_call.c:157
 __static_call_update+0xef/0x5c0 kernel/static_call_inline.c:136
 tracepoint_update_call kernel/tracepoint.c:317 [inline]
 tracepoint_remove_func kernel/tracepoint.c:441 [inline]
 tracepoint_probe_unregister+0x801/0x890 kernel/tracepoint.c:551
 bpf_probe_unregister+0x61/0x70 kernel/trace/bpf_trace.c:1952
 bpf_raw_tp_link_release+0x63/0x90 kernel/bpf/syscall.c:2880
 bpf_link_free+0x129/0x370 kernel/bpf/syscall.c:2446
 bpf_link_put kernel/bpf/syscall.c:2472 [inline]
 bpf_link_release+0x15f/0x170 kernel/bpf/syscall.c:2480
 __fput+0x20b/0x8b0 fs/file_table.c:311
 ____fput+0x15/0x20 fs/file_table.c:339
 task_work_run+0x127/0x190 kernel/task_work.c:188
 exit_task_work include/linux/task_work.h:33 [inline]
 do_exit+0xa7e/0x27a0 kernel/exit.c:889
 do_group_exit+0x141/0x310 kernel/exit.c:1003
 get_signal+0x66a/0x1480 kernel/signal.c:2907
 arch_do_signal_or_restart+0xc1/0x10f0 arch/x86/kernel/signal.c:867
 handle_signal_work kernel/entry/common.c:154 [inline]
 exit_to_user_mode_loop+0xa7/0xe0 kernel/entry/common.c:178
 exit_to_user_mode_prepare+0x87/0xd0 kernel/entry/common.c:214
 __syscall_exit_to_user_mode_work kernel/entry/common.c:296 [inline]
 syscall_exit_to_user_mode+0x1a/0x30 kernel/entry/common.c:307
 do_syscall_64+0x58/0xa0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f4256225ec9
Code: Unable to access opcode bytes at RIP 0x7f4256225e9f.
RSP: 002b:00007f4254c6d038 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: 0000000000000008 RBX: 00007f425647d090 RCX: 00007f4256225ec9
RDX: 0000000000000010 RSI: 0000200000000040 RDI: 0000000000000011
RBP: 00007f42562a8f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f425647d128 R14: 00007f425647d090 R15: 00007ffe4a120528
 </TASK>
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 14 Comm: rcu_preempt Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
RIP: 0010:native_halt arch/x86/include/asm/irqflags.h:57 [inline]
RIP: 0010:halt arch/x86/include/asm/irqflags.h:98 [inline]
RIP: 0010:kvm_wait+0xcc/0x140 arch/x86/kernel/kvm.c:912
Code: 20 f6 44 24 21 02 75 24 48 89 f8 48 c1 e8 03 42 0f b6 04 30 84 c0 75 48 0f b6 07 40 38 f0 75 a6 66 90 0f 00 2d e5 91 d6 03 f4 <eb> 9a fa 48 89 f8 48 c1 e8 03 42 0f b6 04 30 84 c0 75 3f 0f b6 07
RSP: 0018:ffffc900000e72e0 EFLAGS: 00000046
RAX: 0000000000000003 RBX: ffff8881f7027900 RCX: ffffffff814f4259
RDX: 0000000000000001 RSI: 0000000000000003 RDI: ffff8881f7027900
RBP: ffffc900000e7370 R08: dffffc0000000000 R09: ffffed103ee04f21
R10: ffffed103ee04f21 R11: 1ffff1103ee04f20 R12: 1ffff1103ee00001
R13: ffff8881f7038ad4 R14: dffffc0000000000 R15: 1ffff9200001ce5c
FS:  0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f4254c4bf98 CR3: 000000010d912000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <TASK>
 pv_wait arch/x86/include/asm/paravirt.h:597 [inline]
 pv_wait_head_or_lock kernel/locking/qspinlock_paravirt.h:470 [inline]
 __pv_queued_spin_lock_slowpath+0x60f/0x9c0 kernel/locking/qspinlock.c:508
 pv_queued_spin_lock_slowpath arch/x86/include/asm/paravirt.h:585 [inline]
 queued_spin_lock_slowpath+0x47/0x50 arch/x86/include/asm/qspinlock.h:51
 queued_spin_lock include/asm-generic/qspinlock.h:85 [inline]
 do_raw_spin_lock_flags include/linux/spinlock.h:199 [inline]
 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:119 [inline]
 _raw_spin_lock_irqsave+0x108/0x110 kernel/locking/spinlock.c:162
 lock_timer_base+0x127/0x270 kernel/time/timer.c:952
 __mod_timer+0x10a/0xb30 kernel/time/timer.c:1025
 add_timer+0x68/0x80 kernel/time/timer.c:1165
 __queue_delayed_work+0x173/0x200 kernel/workqueue.c:1697
 queue_delayed_work_on+0xdb/0x150 kernel/workqueue.c:1722
 queue_delayed_work include/linux/workqueue.h:525 [inline]
 schedule_delayed_monitor_work kernel/rcu/tree.c:3419 [inline]
 kvfree_call_rcu+0x41f/0x7e0 kernel/rcu/tree.c:3675
 trie_delete_elem+0x577/0x710 kernel/bpf/lpm_trie.c:-1
 bpf_prog_5186c38a4019a4cb+0x42/0x6d8
 bpf_dispatcher_nop_func include/linux/bpf.h:785 [inline]
 __bpf_prog_run include/linux/filter.h:628 [inline]
 bpf_prog_run include/linux/filter.h:635 [inline]
 __bpf_trace_run kernel/trace/bpf_trace.c:1878 [inline]
 bpf_trace_run3+0xcc/0x1e0 kernel/trace/bpf_trace.c:1916
 __bpf_trace_timer_start+0x2b/0x40 include/trace/events/timer.h:52
 __traceiter_timer_start+0x7e/0xd0 include/trace/events/timer.h:52
 trace_timer_start include/trace/events/timer.h:52 [inline]
 enqueue_timer+0x337/0x480 kernel/time/timer.c:592
 __mod_timer+0x79f/0xb30 kernel/time/timer.c:-1
 schedule_timeout+0x127/0x2e0 kernel/time/timer.c:1919
 rcu_gp_fqs_loop+0x293/0xf60 kernel/rcu/tree.c:1972
 rcu_gp_kthread+0x98/0x330 kernel/rcu/tree.c:2145
 kthread+0x411/0x500 kernel/kthread.c:337
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287
 </TASK>