kthread+0x3b2/0x750 kernel/kthread.c:464 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:148 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 watchdog: BUG: soft lockup - CPU#1 stuck for 246s! [kworker/u8:12:3568] Modules linked in: irq event stamp: 6606506 hardirqs last enabled at (6606505): [] irqentry_exit+0x3b/0x90 kernel/entry/common.c:357 hardirqs last disabled at (6606506): [] sysvec_apic_timer_interrupt+0xe/0xc0 arch/x86/kernel/apic/apic.c:1049 softirqs last enabled at (6606504): [] softirq_handle_end kernel/softirq.c:407 [inline] softirqs last enabled at (6606504): [] handle_softirqs+0x5bb/0x8f0 kernel/softirq.c:589 softirqs last disabled at (6606473): [] __do_softirq kernel/softirq.c:595 [inline] softirqs last disabled at (6606473): [] invoke_softirq kernel/softirq.c:435 [inline] softirqs last disabled at (6606473): [] __irq_exit_rcu+0x109/0x170 kernel/softirq.c:662 CPU: 1 UID: 0 PID: 3568 Comm: kworker/u8:12 Not tainted 6.14.0-rc2-syzkaller-00039-g09fbf3d50205 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 Workqueue: events_unbound toggle_allocation_gate RIP: 0010:csd_lock_wait kernel/smp.c:340 [inline] RIP: 0010:smp_call_function_many_cond+0x4cb/0x12c0 kernel/smp.c:885 Code: 4d 48 b8 00 00 00 00 00 fc ff df 4d 89 fc 4c 89 fd 49 c1 ec 03 83 e5 07 49 01 c4 83 c5 03 e8 6c 05 0c 00 f3 90 41 0f b6 04 24 <40> 38 c5 7c 08 84 c0 0f 85 e8 0b 00 00 8b 43 08 31 ff 83 e0 01 41 RSP: 0018:ffffc9000c9a7928 EFLAGS: 00000293 RAX: 0000000000000000 RBX: ffff8880b86468c0 RCX: ffffffff81adcdfa RDX: ffff88803288bc00 RSI: ffffffff81adcdd4 RDI: 0000000000000005 RBP: 0000000000000003 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000006 R12: ffffed10170c8d19 R13: 0000000000000001 R14: ffff8880b873ffc0 R15: ffff8880b86468c8 FS: 0000000000000000(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000110c3314a0 CR3: 000000000df80000 CR4: 0000000000350ef0 Call Trace: on_each_cpu_cond_mask+0x40/0x90 kernel/smp.c:1052 on_each_cpu include/linux/smp.h:71 [inline] text_poke_sync arch/x86/kernel/alternative.c:2118 [inline] text_poke_bp_batch+0x22b/0x760 arch/x86/kernel/alternative.c:2328 text_poke_flush arch/x86/kernel/alternative.c:2519 [inline] text_poke_flush arch/x86/kernel/alternative.c:2516 [inline] text_poke_finish+0x30/0x40 arch/x86/kernel/alternative.c:2526 arch_jump_label_transform_apply+0x1c/0x30 arch/x86/kernel/jump_label.c:146 jump_label_update+0x1d7/0x400 kernel/jump_label.c:920 static_key_disable_cpuslocked+0x158/0x1c0 kernel/jump_label.c:240 static_key_disable+0x1a/0x20 kernel/jump_label.c:248 toggle_allocation_gate mm/kfence/core.c:855 [inline] toggle_allocation_gate+0x147/0x260 mm/kfence/core.c:842 process_one_work+0x9c8/0x1ba0 kernel/workqueue.c:3236 process_scheduled_works kernel/workqueue.c:3317 [inline] worker_thread+0x6c8/0xf00 kernel/workqueue.c:3398 kthread+0x3b2/0x750 kernel/kthread.c:464 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:148 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 UID: 0 PID: 29 Comm: kauditd Not tainted 6.14.0-rc2-syzkaller-00039-g09fbf3d50205 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 RIP: 0010:__sanitizer_cov_trace_pc+0x0/0x70 kernel/kcov.c:210 Code: 7e 60 e8 a3 ff ff ff 31 c0 e9 e7 6d 56 ff 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 0f 1e fa 65 48 8b 15 34 07 4a 7e 65 8b 05 35 07 4a 7e a9 00 01 RSP: 0018:ffffc90000007d78 EFLAGS: 00000002 RAX: 0000000000010001 RBX: 0000000000000001 RCX: ffffffff896809f7 RDX: ffff88801e691e00 RSI: 0000000000000000 RDI: 0000000000000005 RBP: ffff888029b00410 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000002 R12: 0000000000000002 R13: ffff888029b00400 R14: ffff8880578ee340 R15: ffff888029b00c00 FS: 0000000000000000(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000400000003c80 CR3: 000000004e862000 CR4: 0000000000350ef0 Call Trace: rcu_read_unlock include/linux/rcupdate.h:878 [inline] advance_sched+0x894/0xc60 net/sched/sch_taprio.c:987 __run_hrtimer kernel/time/hrtimer.c:1801 [inline] __hrtimer_run_queues+0x20d/0xae0 kernel/time/hrtimer.c:1865 hrtimer_interrupt+0x392/0x8e0 kernel/time/hrtimer.c:1927 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1038 [inline] __sysvec_apic_timer_interrupt+0x112/0x400 arch/x86/kernel/apic/apic.c:1055 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1049 [inline] sysvec_apic_timer_interrupt+0x9f/0xc0 arch/x86/kernel/apic/apic.c:1049 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:console_flush_all+0x9a4/0xc60 kernel/printk/printk.c:3211 Code: 00 e8 b0 f4 27 00 9c 5b 81 e3 00 02 00 00 31 ff 48 89 de e8 7e 3a 20 00 48 85 db 0f 85 55 01 00 00 e8 40 3f 20 00 fb 4c 89 e0 <48> c1 e8 03 42 80 3c 38 00 0f 84 11 ff ff ff 4c 89 e7 e8 95 7c 82 RSP: 0018:ffffc90000a579d0 EFLAGS: 00000293 RAX: ffffffff8eead598 RBX: 0000000000000000 RCX: ffffffff819993f2 RDX: ffff88801e691e00 RSI: ffffffff81999400 RDI: 0000000000000007 RBP: 0000000000000000 R08: 0000000000000007 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000003 R12: ffffffff8eead598 R13: ffffffff8eead540 R14: ffffc90000a57a60 R15: dffffc0000000000 __console_flush_and_unlock kernel/printk/printk.c:3269 [inline] console_unlock+0xd9/0x210 kernel/printk/printk.c:3309 vprintk_emit+0x424/0x6f0 kernel/printk/printk.c:2432 _printk+0xc8/0x100 kernel/printk/printk.c:2457 kauditd_printk_skb kernel/audit.c:546 [inline] kauditd_hold_skb+0x205/0x250 kernel/audit.c:581 kauditd_send_queue+0x239/0x290 kernel/audit.c:766 kauditd_thread+0x611/0xa60 kernel/audit.c:890 kthread+0x3b2/0x750 kernel/kthread.c:464 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:148 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244