watchdog: BUG: soft lockup - CPU#0 stuck for 246s! [kworker/u8:8:1096] Modules linked in: irq event stamp: 18717831 hardirqs last enabled at (18717830): [] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:151 [inline] hardirqs last enabled at (18717830): [] _raw_spin_unlock_irqrestore+0x52/0x80 kernel/locking/spinlock.c:194 hardirqs last disabled at (18717831): [] sysvec_apic_timer_interrupt+0xe/0xb0 arch/x86/kernel/apic/apic.c:1043 softirqs last enabled at (18717822): [] softirq_handle_end kernel/softirq.c:400 [inline] softirqs last enabled at (18717822): [] handle_softirqs+0x5be/0x8f0 kernel/softirq.c:582 softirqs last disabled at (18717825): [] __do_softirq kernel/softirq.c:588 [inline] softirqs last disabled at (18717825): [] invoke_softirq kernel/softirq.c:428 [inline] softirqs last disabled at (18717825): [] __irq_exit_rcu kernel/softirq.c:637 [inline] softirqs last disabled at (18717825): [] irq_exit_rcu+0xbb/0x120 kernel/softirq.c:649 CPU: 0 PID: 1096 Comm: kworker/u8:8 Not tainted 6.9.0-rc7-syzkaller-00012-gdccb07f2914c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 Workqueue: events_unbound toggle_allocation_gate RIP: 0010:trace_timer_expire_exit include/trace/events/timer.h:127 [inline] RIP: 0010:call_timer_fn+0x4b6/0x610 kernel/time/timer.c:1794 Code: ee e8 ae 24 13 00 45 84 ed 0f 84 8b fc ff ff e8 20 2a 13 00 e8 bb b8 84 ff e9 88 fc ff ff e8 11 2a 13 00 e8 cc 9a f9 ff 31 ff <89> c5 89 c6 e8 81 24 13 00 40 84 ed 0f 85 3c fd ff ff e8 f3 29 13 RSP: 0018:ffffc90000007c70 EFLAGS: 00000246 RAX: 0000000000000001 RBX: ffffc90000007cb0 RCX: ffffffff817be08b RDX: 0000000000000000 RSI: ffffffff8b8f8360 RDI: 0000000000000000 RBP: 0000000000000001 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000001 R11: ffffffff8b2f3800 R12: 1ffff92000000f90 R13: 0000000000000001 R14: 0000000000000101 R15: 000000000003d7cc FS: 0000000000000000(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2e728000 CR3: 000000000d77a000 CR4: 0000000000350ef0 Call Trace: expire_timers kernel/time/timer.c:1844 [inline] __run_timers+0x74b/0xaf0 kernel/time/timer.c:2418 __run_timer_base kernel/time/timer.c:2429 [inline] __run_timer_base kernel/time/timer.c:2422 [inline] run_timer_base+0x111/0x190 kernel/time/timer.c:2438 run_timer_softirq+0x1a/0x40 kernel/time/timer.c:2448 handle_softirqs+0x219/0x8f0 kernel/softirq.c:554 __do_softirq kernel/softirq.c:588 [inline] invoke_softirq kernel/softirq.c:428 [inline] __irq_exit_rcu kernel/softirq.c:637 [inline] irq_exit_rcu+0xbb/0x120 kernel/softirq.c:649 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1043 [inline] sysvec_apic_timer_interrupt+0x95/0xb0 arch/x86/kernel/apic/apic.c:1043 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:check_kcov_mode kernel/kcov.c:173 [inline] RIP: 0010:__sanitizer_cov_trace_pc+0x1c/0x60 kernel/kcov.c:207 Code: 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 65 48 8b 15 64 ca 74 7e 65 8b 05 65 ca 74 7e a9 00 01 ff 00 48 8b 34 24 <74> 0f f6 c4 01 74 35 8b 82 14 16 00 00 85 c0 74 2b 8b 82 f0 15 00 RSP: 0018:ffffc90004407908 EFLAGS: 00000246 RAX: 0000000000000001 RBX: ffff8880b9544740 RCX: ffffffff818305bb RDX: ffff888022045a00 RSI: ffffffff81830595 RDI: 0000000000000005 RBP: 0000000000000003 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000006 R12: ffffed10172a88e9 R13: 0000000000000001 R14: ffff8880b9544748 R15: ffff8880b943fc40 rep_nop arch/x86/include/asm/vdso/processor.h:13 [inline] cpu_relax arch/x86/include/asm/vdso/processor.h:18 [inline] csd_lock_wait kernel/smp.c:311 [inline] smp_call_function_many_cond+0x4e5/0x1420 kernel/smp.c:855 on_each_cpu_cond_mask+0x40/0x90 kernel/smp.c:1023 on_each_cpu include/linux/smp.h:71 [inline] text_poke_sync arch/x86/kernel/alternative.c:2086 [inline] text_poke_bp_batch+0x22b/0x760 arch/x86/kernel/alternative.c:2296 text_poke_flush arch/x86/kernel/alternative.c:2487 [inline] text_poke_flush arch/x86/kernel/alternative.c:2484 [inline] text_poke_finish+0x30/0x40 arch/x86/kernel/alternative.c:2494 arch_jump_label_transform_apply+0x1c/0x30 arch/x86/kernel/jump_label.c:146 jump_label_update+0x1d7/0x400 kernel/jump_label.c:829 static_key_disable_cpuslocked+0x154/0x1c0 kernel/jump_label.c:235 static_key_disable+0x1a/0x20 kernel/jump_label.c:243 toggle_allocation_gate mm/kfence/core.c:831 [inline] toggle_allocation_gate+0x143/0x250 mm/kfence/core.c:818 process_one_work+0x9ac/0x1ac0 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x6c8/0xf70 kernel/workqueue.c:3429 kthread+0x2c4/0x3a0 kernel/kthread.c:388 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 17281 Comm: syz-executor.1 Not tainted 6.9.0-rc7-syzkaller-00012-gdccb07f2914c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 RIP: 0010:advance_sched+0x5ad/0xc60 net/sched/sch_taprio.c:976 Code: 00 00 00 00 74 18 e8 92 86 9f f8 49 8d bf 00 01 00 00 48 c7 c6 c0 e5 ee 88 e8 ff 53 87 f8 e8 7a 86 9f f8 49 8d bd 50 01 00 00 <48> b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f RSP: 0018:ffffc90000a08d80 EFLAGS: 00000046 RAX: 0000000080010002 RBX: 17cd302767294ecf RCX: ffffffff88ef84ff RDX: ffff888022fdda00 RSI: ffffffff88ef86d6 RDI: ffff88807a839150 RBP: ffff88807a839010 R08: 0000000000000004 R09: 0000000000000002 R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000002 R13: ffff88807a839000 R14: ffff88802195f340 R15: ffff88807a83a400 FS: 00007fd4376336c0(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f89c21ad988 CR3: 000000002b270000 CR4: 0000000000350ef0 Call Trace: __run_hrtimer kernel/time/hrtimer.c:1692 [inline] __hrtimer_run_queues+0x20f/0xcc0 kernel/time/hrtimer.c:1756 hrtimer_interrupt+0x31b/0x800 kernel/time/hrtimer.c:1818 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1032 [inline] __sysvec_apic_timer_interrupt+0x112/0x450 arch/x86/kernel/apic/apic.c:1049 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1043 [inline] sysvec_apic_timer_interrupt+0x90/0xb0 arch/x86/kernel/apic/apic.c:1043 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline] RIP: 0010:_raw_spin_unlock_irqrestore+0x31/0x80 kernel/locking/spinlock.c:194 Code: f5 53 48 8b 74 24 10 48 89 fb 48 83 c7 18 e8 56 db 8c f6 48 89 df e8 ae 57 8d f6 f7 c5 00 02 00 00 75 23 9c 58 f6 c4 02 75 37 01 00 00 00 e8 95 92 7e f6 65 8b 05 c6 8a 23 75 85 c0 74 16 5b RSP: 0018:ffffc9000e39fa28 EFLAGS: 00000246 RAX: 0000000000000002 RBX: ffff88801c286088 RCX: 1ffffffff1f7fcd1 RDX: 0000000000000000 RSI: ffffffff8b2cbf40 RDI: ffffffff8b8f83e0 RBP: 0000000000000283 R08: 0000000000000001 R09: 0000000000000001 R10: ffffffff8fc02917 R11: ffffffff936de7e0 R12: dffffc0000000000 R13: 19aa02f4ae83767b R14: 17cd2ca4ae83767b R15: ffff88801c286088 spin_unlock_irqrestore include/linux/spinlock.h:406 [inline] timerfd_clock_was_set+0x164/0x310 fs/timerfd.c:113 clock_was_set+0x67c/0x850 kernel/time/hrtimer.c:983 timekeeping_inject_offset+0x4d1/0x640 kernel/time/timekeeping.c:1396 do_adjtimex+0x373/0xaa0 kernel/time/timekeeping.c:2445 do_clock_adjtime kernel/time/posix-timers.c:1159 [inline] __do_sys_clock_adjtime+0x176/0x290 kernel/time/posix-timers.c:1171 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcf/0x260 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fd43687dca9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fd4376330c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000131 RAX: ffffffffffffffda RBX: 00007fd4369abf80 RCX: 00007fd43687dca9 RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000000 RBP: 00007fd4368c947e R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007fd4369abf80 R15: 00007ffc2cd9c1e8