watchdog: BUG: soft lockup - CPU#0 stuck for 214s! [kworker/u4:2:43] Modules linked in: CPU: 0 PID: 43 Comm: kworker/u4:2 Not tainted 6.1.112-syzkaller-00109-gfadb08b36671 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 Workqueue: events_unbound toggle_allocation_gate RIP: 0010:check_kcov_mode kernel/kcov.c:193 [inline] RIP: 0010:__sanitizer_cov_trace_pc+0x36/0x60 kernel/kcov.c:216 Code: a0 c9 8c 7e 65 8b 15 a1 c9 8c 7e 81 e2 00 01 ff 00 74 11 81 fa 00 01 00 00 75 35 83 b9 6c 0b 00 00 00 74 2c 8b 91 48 0b 00 00 <83> fa 02 75 21 48 8b 91 50 0b 00 00 48 8b 32 48 8d 7e 01 8b 89 4c RSP: 0018:ffffc900002cf830 EFLAGS: 00000246 RAX: ffffffff816c0c6a RBX: 1ffff1103ede7885 RCX: ffff888100888000 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: ffffc900002cf830 R08: ffffffff816c0c33 R09: fffff52000059ef9 R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000001 R13: 0000000800000000 R14: ffff8881f6f3c428 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000110c2f0e62 CR3: 000000000700f000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: csd_lock_wait kernel/smp.c:453 [inline] smp_call_function_many_cond+0x86a/0x930 kernel/smp.c:998 on_each_cpu_cond_mask+0x40/0x80 kernel/smp.c:1166 on_each_cpu include/linux/smp.h:71 [inline] text_poke_sync arch/x86/kernel/alternative.c:1334 [inline] text_poke_bp_batch+0x1e9/0x730 arch/x86/kernel/alternative.c:1534 text_poke_flush arch/x86/kernel/alternative.c:1725 [inline] text_poke_finish+0x1a/0x30 arch/x86/kernel/alternative.c:1732 arch_jump_label_transform_apply+0x15/0x30 arch/x86/kernel/jump_label.c:146 __jump_label_update+0x36a/0x380 kernel/jump_label.c:451 jump_label_update+0x3af/0x450 kernel/jump_label.c:797 static_key_enable_cpuslocked+0x12f/0x250 kernel/jump_label.c:173 static_key_enable+0x1a/0x30 kernel/jump_label.c:186 toggle_allocation_gate+0xbf/0x450 mm/kfence/core.c:804 process_one_work+0x73d/0xcb0 kernel/workqueue.c:2299 worker_thread+0xa60/0x1260 kernel/workqueue.c:2446 kthread+0x26d/0x300 kernel/kthread.c:386 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 6497 Comm: syz.9.2045 Not tainted 6.1.112-syzkaller-00109-gfadb08b36671 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 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:1058 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 8a f9 50 04 f4 54 ff ff ff fa 4c 89 e8 48 c1 e8 03 42 0f b6 04 20 84 c0 44 8b RSP: 0018:ffffc90000ee72a0 EFLAGS: 00000046 RAX: 0000000000000003 RBX: 1ffff920001dce58 RCX: ffffffff85214c9c RDX: dffffc0000000000 RSI: 0000000000000003 RDI: ffff8881f6f27b80 RBP: ffffc90000ee7350 R08: dffffc0000000000 R09: ffffed103ede4f71 R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 R13: ffff8881f6f27b80 R14: 0000000000000003 R15: 1ffff920001dce5c FS: 00007fb19d65f6c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 0000000132feb000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: pv_wait arch/x86/include/asm/paravirt.h:603 [inline] pv_wait_head_or_lock kernel/locking/qspinlock_paravirt.h:470 [inline] __pv_queued_spin_lock_slowpath+0x6de/0xda0 kernel/locking/qspinlock.c:511 pv_queued_spin_lock_slowpath arch/x86/include/asm/paravirt.h:591 [inline] queued_spin_lock_slowpath arch/x86/include/asm/qspinlock.h:51 [inline] queued_spin_lock include/asm-generic/qspinlock.h:114 [inline] do_raw_spin_lock include/linux/spinlock.h:187 [inline] __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:111 [inline] _raw_spin_lock_irqsave+0x1a0/0x210 kernel/locking/spinlock.c:162 lock_timer_base+0x12f/0x270 kernel/time/timer.c:1005 __mod_timer+0x1c9/0xcf0 kernel/time/timer.c:1078 add_timer+0x68/0x80 kernel/time/timer.c:1218 __queue_delayed_work+0x16d/0x1f0 kernel/workqueue.c:1686 queue_delayed_work_on+0x10f/0x180 kernel/workqueue.c:1711 queue_delayed_work include/linux/workqueue.h:525 [inline] schedule_delayed_monitor_work kernel/rcu/tree.c:3216 [inline] kvfree_call_rcu+0x490/0x800 kernel/rcu/tree.c:3472 trie_delete_elem+0x5a6/0x760 kernel/bpf/lpm_trie.c:532 bpf_prog_4da2e59a2499d905+0x3f/0x43 bpf_dispatcher_nop_func include/linux/bpf.h:987 [inline] __bpf_prog_run include/linux/filter.h:603 [inline] bpf_prog_run include/linux/filter.h:610 [inline] __bpf_trace_run kernel/trace/bpf_trace.c:2273 [inline] bpf_trace_run3+0x177/0x2e0 kernel/trace/bpf_trace.c:2313 __bpf_trace_timer_start+0x2b/0x40 include/trace/events/timer.h:53 __traceiter_timer_start+0x7f/0xd0 include/trace/events/timer.h:53 trace_timer_start include/trace/events/timer.h:53 [inline] enqueue_timer+0x303/0x480 kernel/time/timer.c:615 internal_add_timer kernel/time/timer.c:640 [inline] __mod_timer+0x8d3/0xcf0 kernel/time/timer.c:1121 mod_timer+0x1f/0x30 kernel/time/timer.c:1172 sk_reset_timer+0x22/0xb0 net/core/sock.c:3387 tipc_sk_finish_conn+0x164/0x860 net/tipc/socket.c:1675 tipc_socketpair+0x2a8/0x4f0 net/tipc/socket.c:3350 __sys_socketpair+0x3e0/0x6e0 net/socket.c:1735 __do_sys_socketpair net/socket.c:1771 [inline] __se_sys_socketpair net/socket.c:1768 [inline] __x64_sys_socketpair+0x9b/0xb0 net/socket.c:1768 x64_sys_call+0x19b/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:54 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7fb19c77e719 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:00007fb19d65f038 EFLAGS: 00000246 ORIG_RAX: 0000000000000035 RAX: ffffffffffffffda RBX: 00007fb19c935f80 RCX: 00007fb19c77e719 RDX: 0000000000000000 RSI: 0000000000000005 RDI: 000000000000001e RBP: 00007fb19c7f132e R08: 0000000000000000 R09: 0000000000000000 R10: 0000000020000940 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007fb19c935f80 R15: 00007fff474ddd08