kthread+0x346/0x3d0 kernel/kthread.c:313
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298
watchdog: BUG: soft lockup - CPU#0 stuck for 123s! [syz.1.1607:6021]
Modules linked in:
CPU: 0 PID: 6021 Comm: syz.1.1607 Tainted: G        W         5.10.236-syzkaller-00012-gab07aeb2c93d #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+0x1f5/0x470 kernel/smp.c:517
Code: 48 44 89 f6 83 e6 01 31 ff e8 d7 6e 0a 00 41 83 e6 01 49 bc 00 00 00 00 00 fc ff df 75 0a e8 12 6b 0a 00 e9 a9 00 00 00 f3 90 <f7> 44 24 48 01 00 00 00 0f 84 94 00 00 00 e8 f8 6a 0a 00 eb e9 e8
RSP: 0018:ffffc900013a76a0 EFLAGS: 00000293
RAX: ffffffff815921b8 RBX: 0000000000000000 RCX: ffff888114bf62c0
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffffc900013a7790 R08: dffffc0000000000 R09: ffffed103ee2aec9
R10: ffffed103ee2aec9 R11: 1ffff1103ee2aec8 R12: dffffc0000000000
R13: 0000000000000001 R14: 0000000000000001 R15: 1ffff92000274ed8
FS:  000055558dd54500(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000100000000 CR3: 000000011264b000 CR4: 00000000003506b0
DR0: 0000200000000300 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 smp_call_function_many_cond+0x8f2/0x9e0 kernel/smp.c:653
 smp_call_function_many kernel/smp.c:716 [inline]
 smp_call_function kernel/smp.c:738 [inline]
 on_each_cpu+0xab/0x170 kernel/smp.c:837
 text_poke_sync arch/x86/kernel/alternative.c:1318 [inline]
 text_poke_bp_batch+0x1b3/0x4a0 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+0x37c/0x3a0 kernel/jump_label.c:459
 jump_label_update+0x34c/0x3e0 kernel/jump_label.c:825
 static_key_disable_cpuslocked+0xc5/0x1a0 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+0x6cb/0x950 kernel/tracepoint.c:572
 trace_event_reg+0x21c/0x260 kernel/trace/trace_events.c:-1
 perf_trace_event_unreg+0xbb/0x1e0 kernel/trace/trace_event_perf.c:162
 perf_trace_destroy+0x96/0xb0 kernel/trace/trace_event_perf.c:243
 tp_perf_event_destroy+0x15/0x20 kernel/events/core.c:9633
 _free_event+0x962/0xc70 kernel/events/core.c:4978
 put_event kernel/events/core.c:5072 [inline]
 perf_event_release_kernel+0xc80/0xdb0 kernel/events/core.c:5200
 perf_release+0x3b/0x40 kernel/events/core.c:5210
 __fput+0x2fb/0x770 fs/file_table.c:281
 ____fput+0x15/0x20 fs/file_table.c:314
 task_work_run+0x127/0x190 kernel/task_work.c:189
 tracehook_notify_resume include/linux/tracehook.h:188 [inline]
 exit_to_user_mode_loop+0xcb/0xe0 kernel/entry/common.c:172
 exit_to_user_mode_prepare kernel/entry/common.c:199 [inline]
 syscall_exit_to_user_mode+0x68/0x90 kernel/entry/common.c:274
 do_syscall_64+0x3d/0x40 arch/x86/entry/common.c:56
 entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7f7bc6d92969
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:00007ffdac7e6c88 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4
RAX: 0000000000000000 RBX: 0000000000028dba RCX: 00007f7bc6d92969
RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003
RBP: 00007f7bc6fbbba0 R08: 0000000000000001 R09: 0000001eac7e6f7f
R10: 00007f7bc6c04000 R11: 0000000000000246 R12: 00007f7bc6fb9fac
R13: 00007f7bc6fb9fa0 R14: ffffffffffffffff R15: 00007ffdac7e6da0
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 6041 Comm: syz.5.1613 Tainted: G        W         5.10.236-syzkaller-00012-gab07aeb2c93d #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
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+0xb2/0x120 arch/x86/kernel/kvm.c:921
Code: c1 e8 03 42 0f b6 04 30 84 c0 75 6d 0f b6 07 40 38 f0 75 26 41 f7 c4 00 02 00 00 75 0f 0f 1f 44 00 00 0f 00 2d 8f 9e 98 03 f4 <eb> 0e 0f 1f 44 00 00 0f 00 2d 80 9e 98 03 fb f4 4c 89 64 24 18 ff
RSP: 0018:ffffc900013c7580 EFLAGS: 00000046
RAX: 0000000000000003 RBX: ffff888124f25520 RCX: ffffffff814b0f6a
RDX: 0000000000000001 RSI: 0000000000000003 RDI: ffff888124f25520
RBP: ffffc900013c7630 R08: dffffc0000000000 R09: ffffed10249e4aa5
R10: ffffed10249e4aa5 R11: 1ffff110249e4aa4 R12: 0000000000000046
R13: 1ffff110249e4aa4 R14: dffffc0000000000 R15: 1ffff92000278eb4
FS:  00007ff94dcc16c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 0000000128221000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 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+0x714/0xb70 kernel/locking/qspinlock.c:508
 pv_queued_spin_lock_slowpath arch/x86/include/asm/paravirt.h:554 [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:195 [inline]
 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:119 [inline]
 _raw_spin_lock_irqsave+0x108/0x110 kernel/locking/spinlock.c:159
 trie_delete_elem+0x95/0x710 kernel/bpf/lpm_trie.c:465
 bpf_prog_2c29ac5cdc6b1842+0x3a/0x1a0
 bpf_dispatcher_nop_func include/linux/bpf.h:669 [inline]
 __bpf_trace_run kernel/trace/bpf_trace.c:2061 [inline]
 bpf_trace_run4+0x15b/0x240 kernel/trace/bpf_trace.c:2100
 __bpf_trace_mm_page_alloc+0xc0/0xf0 include/trace/events/kmem.h:193
 __traceiter_mm_page_alloc+0x3f/0x60 include/trace/events/kmem.h:193
 trace_mm_page_alloc include/trace/events/kmem.h:193 [inline]
 __alloc_pages_nodemask+0x5b4/0x5f0 mm/page_alloc.c:5377
 __alloc_pages include/linux/gfp.h:544 [inline]
 __alloc_pages_node include/linux/gfp.h:557 [inline]
 alloc_pages_node include/linux/gfp.h:571 [inline]
 alloc_pages include/linux/gfp.h:590 [inline]
 kmalloc_order+0x4c/0x160 mm/slab_common.c:843
 kmalloc_order_trace+0x16/0x80 mm/slab_common.c:859
 kmalloc_large include/linux/slab.h:481 [inline]
 __kmalloc+0x1ee/0x330 mm/slub.c:4022
 __kmalloc_node include/linux/slab.h:418 [inline]
 kmalloc_node include/linux/slab.h:575 [inline]
 lpm_trie_node_alloc kernel/bpf/lpm_trie.c:288 [inline]
 trie_update_elem+0x19e/0xc70 kernel/bpf/lpm_trie.c:330
 bpf_map_update_value+0x317/0x410 kernel/bpf/syscall.c:219
 map_update_elem+0x4a1/0x5e0 kernel/bpf/syscall.c:1136
 __do_sys_bpf kernel/bpf/syscall.c:4420 [inline]
 __se_sys_bpf+0x398/0x680 kernel/bpf/syscall.c:4388
 __x64_sys_bpf+0x7b/0x90 kernel/bpf/syscall.c:4388
 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7ff94f658969
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:00007ff94dcc1038 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007ff94f87ffa0 RCX: 00007ff94f658969
RDX: 0000000000000020 RSI: 0000200000000740 RDI: 0000000000000002
RBP: 00007ff94f6daab1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007ff94f87ffa0 R15: 00007ffc89abed78
BUG: workqueue lockup - pool cpus=0-1 flags=0x4 nice=0 stuck for 260s!
Showing busy workqueues and worker pools:
workqueue events: flags=0x0
  pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=3/256 refcnt=4
    pending: vmstat_shepherd, psi_avgs_work, rht_deferred_worker
workqueue events_long: flags=0x0
  pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2
    pending: br_multicast_gc_work
workqueue events_power_efficient: flags=0x80
  pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=3/256 refcnt=4
    pending: neigh_periodic_work, neigh_periodic_work, gc_worker
workqueue rcu_gp: flags=0x8
  pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2
    pending: process_srcu
workqueue mm_percpu_wq: flags=0x8
  pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2
    pending: vmstat_update
workqueue netns: flags=0xe000a
  pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/1 refcnt=4
    in-flight: 7:cleanup_net
    delayed: cleanup_net
workqueue writeback: flags=0x4a
  pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/256 refcnt=3
    pending: wb_workfn
workqueue ipv6_addrconf: flags=0x40008
  pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/1 refcnt=2
    pending: addrconf_verify_work
workqueue wg-kex-wg0: flags=0x6
  pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/256 refcnt=3
    pending: wg_packet_handshake_send_worker
workqueue wg-crypt-wg0: flags=0x28
  pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2
    pending: wg_packet_encrypt_worker