watchdog: BUG: soft lockup - CPU#0 stuck for 225s! [syz.3.36:393]
Modules linked in:
CPU: 0 PID: 393 Comm: syz.3.36 Not tainted 5.15.157-syzkaller-00896-g38761ec9fc9e #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
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 f6 a8 0a 00 41 83 e7 01 49 bf 00 00 00 00 00 fc ff df 75 07 e8 31 a5 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 15 a5
RSP: 0018:ffffc90000b87360 EFLAGS: 00000293
RAX: ffffffff8165c7eb RBX: 1ffff1103ee2784d RCX: ffff88810d36cf00
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffffc90000b87478 R08: ffffffff8165c7ba 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: 0000001b2e018ff8 CR3: 0000000006a0f000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 </IRQ>
 <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:1207 [inline]
 text_poke_bp_batch+0x1db/0x720 arch/x86/kernel/alternative.c:1407
 text_poke_flush arch/x86/kernel/alternative.c:1598 [inline]
 text_poke_finish+0x1a/0x30 arch/x86/kernel/alternative.c:1605
 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_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:417 [inline]
 tracepoint_probe_unregister+0x60a/0x900 kernel/tracepoint.c:551
 bpf_probe_unregister+0x61/0x70 kernel/trace/bpf_trace.c:1954
 bpf_raw_tp_link_release+0x63/0x90 kernel/bpf/syscall.c:2880
 bpf_link_free+0x129/0x3f0 kernel/bpf/syscall.c:2451
 bpf_link_put kernel/bpf/syscall.c:2477 [inline]
 bpf_link_release+0x170/0x180 kernel/bpf/syscall.c:2485
 __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:154 [inline]
 exit_to_user_mode_loop+0xa0/0xe0 kernel/entry/common.c:178
 exit_to_user_mode_prepare+0x5a/0xa0 kernel/entry/common.c:214
 __syscall_exit_to_user_mode_work kernel/entry/common.c:296 [inline]
 syscall_exit_to_user_mode+0x26/0x160 kernel/entry/common.c:307
 do_syscall_64+0x47/0xb0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7ffb51e7cef9
Code: Unable to access opcode bytes at RIP 0x7ffb51e7cecf.
RSP: 002b:00007ffb50af7038 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: 0000000000000005 RBX: 00007ffb52035f80 RCX: 00007ffb51e7cef9
RDX: 0000000000000010 RSI: 0000000020000040 RDI: 0000000000000011
RBP: 00007ffb51eef01e R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007ffb52035f80 R15: 00007ffc9ba03928
 </TASK>
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 385 Comm: syz.0.32 Not tainted 5.15.157-syzkaller-00896-g38761ec9fc9e #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
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+0x117/0x180 arch/x86/kernel/kvm.c:912
Code: 48 c1 e8 03 42 0f b6 04 20 84 c0 44 8b 74 24 1c 75 53 41 0f b6 45 00 44 38 f0 0f 85 63 ff ff ff 66 90 0f 00 2d da ec 12 04 f4 <e9> 54 ff ff ff fa 4c 89 e8 48 c1 e8 03 42 0f b6 04 20 84 c0 44 8b
RSP: 0018:ffffc90000ba6ee0 EFLAGS: 00000046
RAX: 0000000000000003 RBX: 1ffff92000174de0 RCX: ffffffff81552fff
RDX: dffffc0000000000 RSI: 0000000000000003 RDI: ffff8881f7127730
RBP: ffffc90000ba6f90 R08: dffffc0000000000 R09: ffffed103ee24ee7
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: ffff8881f7127730 R14: 0000000000000003 R15: 1ffff92000174de4
FS:  0000555556a4c500(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000100000000 CR3: 0000000125b9d000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <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+0x6bc/0xc40 kernel/locking/qspinlock.c:508
 pv_queued_spin_lock_slowpath arch/x86/include/asm/paravirt.h:585 [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 include/linux/spinlock.h:187 [inline]
 __raw_spin_lock include/linux/spinlock_api_smp.h:143 [inline]
 _raw_spin_lock+0x139/0x1b0 kernel/locking/spinlock.c:154
 krc_this_cpu_lock kernel/rcu/tree.c:3234 [inline]
 add_ptr_to_bulk_krc_lock kernel/rcu/tree.c:3554 [inline]
 kvfree_call_rcu+0x149/0x8b0 kernel/rcu/tree.c:3645
 trie_delete_elem+0x58d/0x760 kernel/bpf/lpm_trie.c:523
 bpf_prog_2e5e7763945ac34e+0x3c/0xb6c
 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:1880 [inline]
 bpf_trace_run3+0x11e/0x250 kernel/trace/bpf_trace.c:1918
 __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
 add_timer+0x68/0x80 kernel/time/timer.c:1165
 __queue_delayed_work+0x16d/0x1f0 kernel/workqueue.c:1697
 queue_delayed_work_on+0x10f/0x180 kernel/workqueue.c:1722
 queue_delayed_work include/linux/workqueue.h:525 [inline]
 schedule_delayed_monitor_work kernel/rcu/tree.c:3415 [inline]
 kvfree_call_rcu+0x4b9/0x8b0 kernel/rcu/tree.c:3671
 drop_sysctl_table+0x311/0x450 fs/proc/proc_sysctl.c:1682
 unregister_sysctl_table+0x7b/0x120 fs/proc/proc_sysctl.c:1720
 unregister_net_sysctl_table+0x15/0x20 net/sysctl_net.c:175
 __devinet_sysctl_unregister net/ipv4/devinet.c:2614 [inline]
 devinet_sysctl_unregister net/ipv4/devinet.c:2642 [inline]
 inetdev_destroy net/ipv4/devinet.c:325 [inline]
 inetdev_event+0x774/0x10a0 net/ipv4/devinet.c:1599
 notifier_call_chain kernel/notifier.c:83 [inline]
 raw_notifier_call_chain+0x8c/0xf0 kernel/notifier.c:391
 call_netdevice_notifiers_info net/core/dev.c:2025 [inline]
 call_netdevice_notifiers_extack net/core/dev.c:2037 [inline]
 call_netdevice_notifiers net/core/dev.c:2051 [inline]
 unregister_netdevice_many+0xe0a/0x17c0 net/core/dev.c:11108
 unregister_netdevice_queue+0x2e6/0x350 net/core/dev.c:11041
 unregister_netdevice include/linux/netdevice.h:3052 [inline]
 ppp_release+0xed/0x1e0 drivers/net/ppp/ppp_generic.c:406
 __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
 tracehook_notify_resume include/linux/tracehook.h:189 [inline]
 exit_to_user_mode_loop+0xc4/0xe0 kernel/entry/common.c:181
 exit_to_user_mode_prepare+0x5a/0xa0 kernel/entry/common.c:214
 __syscall_exit_to_user_mode_work kernel/entry/common.c:296 [inline]
 syscall_exit_to_user_mode+0x26/0x160 kernel/entry/common.c:307
 do_syscall_64+0x47/0xb0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f88e4759ef9
Code: ff ff c3 66 2e 0f 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
RSP: 002b:00007ffe2ae18748 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4
RAX: 0000000000000000 RBX: 0000000000005fc2 RCX: 00007f88e4759ef9
RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003
RBP: 00007f88e4914a80 R08: 0000000000000001 R09: 00007ffe2ae18a3f
R10: 00007f88e45dd000 R11: 0000000000000246 R12: 000000000000604f
R13: 00007ffe2ae18850 R14: 0000000000000032 R15: ffffffffffffffff
 </TASK>