------------[ cut here ]------------ WARNING: CPU: 1 PID: 0 at kernel/workqueue.c:633 set_work_data kernel/workqueue.c:633 [inline] WARNING: CPU: 1 PID: 0 at kernel/workqueue.c:633 set_work_pwq kernel/workqueue.c:640 [inline] WARNING: CPU: 1 PID: 0 at kernel/workqueue.c:633 insert_work+0x2a7/0x370 kernel/workqueue.c:1356 Modules linked in: CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.15.0-rc1-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:set_work_data kernel/workqueue.c:633 [inline] RIP: 0010:set_work_pwq kernel/workqueue.c:640 [inline] RIP: 0010:insert_work+0x2a7/0x370 kernel/workqueue.c:1356 Code: b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 cc 00 00 00 48 8b 7b 40 e8 e0 93 05 00 eb 83 e8 99 8b 2a 00 <0f> 0b e9 dc fd ff ff 48 89 ef e8 aa 50 71 00 e9 56 ff ff ff 4c 89 RSP: 0018:ffffc90000fd8c70 EFLAGS: 00010046 RAX: 0000000000000000 RBX: ffff8880884294b0 RCX: 0000000000000100 RDX: ffff88801222c080 RSI: ffffffff814ab937 RDI: 0000000000000003 RBP: 0000000000000005 R08: 0000000000000000 R09: 0000000000000000 R10: ffffffff814ab711 R11: 0000000000000000 R12: ffff888010c74858 R13: ffff8880289b0c00 R14: ffff888010c74800 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000056227ea97a88 CR3: 000000000b68e000 CR4: 00000000001506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __queue_work+0x5ca/0xee0 kernel/workqueue.c:1519 call_timer_fn+0x1a5/0x6b0 kernel/time/timer.c:1421 expire_timers kernel/time/timer.c:1461 [inline] __run_timers.part.0+0x49f/0xa20 kernel/time/timer.c:1734 __run_timers kernel/time/timer.c:1715 [inline] run_timer_softirq+0xb3/0x1d0 kernel/time/timer.c:1747 __do_softirq+0x29b/0x9c2 kernel/softirq.c:558 invoke_softirq kernel/softirq.c:432 [inline] __irq_exit_rcu+0x123/0x180 kernel/softirq.c:636 irq_exit_rcu+0x5/0x20 kernel/softirq.c:648 sysvec_apic_timer_interrupt+0x93/0xc0 arch/x86/kernel/apic/apic.c:1097 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:638 RIP: 0010:native_save_fl arch/x86/include/asm/irqflags.h:29 [inline] RIP: 0010:arch_local_save_flags arch/x86/include/asm/irqflags.h:70 [inline] RIP: 0010:arch_irqs_disabled arch/x86/include/asm/irqflags.h:132 [inline] RIP: 0010:acpi_safe_halt drivers/acpi/processor_idle.c:110 [inline] RIP: 0010:acpi_idle_do_entry+0x1c6/0x250 drivers/acpi/processor_idle.c:553 Code: 89 de e8 bd ba 3d f8 84 db 75 ac e8 04 b3 3d f8 e8 0f dd 43 f8 eb 0c e8 f8 b2 3d f8 0f 00 2d 61 be b7 00 e8 ec b2 3d f8 fb f4 <9c> 5b 81 e3 00 02 00 00 fa 31 ff 48 89 de e8 b7 b8 3d f8 48 85 db RSP: 0018:ffffc90000f6fd18 EFLAGS: 00000293 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: ffff88801222c080 RSI: ffffffff893791e4 RDI: 0000000000000000 RBP: ffff888141b89864 R08: 0000000000000001 R09: 0000000000000001 R10: ffffffff817b6f18 R11: 0000000000000000 R12: 0000000000000001 R13: ffff888141b89800 R14: ffff888141b89864 R15: ffff888019023004 acpi_idle_enter+0x361/0x500 drivers/acpi/processor_idle.c:688 cpuidle_enter_state+0x1b1/0xc80 drivers/cpuidle/cpuidle.c:237 cpuidle_enter+0x4a/0xa0 drivers/cpuidle/cpuidle.c:351 call_cpuidle kernel/sched/idle.c:158 [inline] cpuidle_idle_call kernel/sched/idle.c:239 [inline] do_idle+0x3e8/0x590 kernel/sched/idle.c:306 cpu_startup_entry+0x14/0x20 kernel/sched/idle.c:403 start_secondary+0x265/0x340 arch/x86/kernel/smpboot.c:270 secondary_startup_64_no_verify+0xb0/0xbb ---------------- Code disassembly (best guess): 0: 89 de mov %ebx,%esi 2: e8 bd ba 3d f8 callq 0xf83dbac4 7: 84 db test %bl,%bl 9: 75 ac jne 0xffffffb7 b: e8 04 b3 3d f8 callq 0xf83db314 10: e8 0f dd 43 f8 callq 0xf843dd24 15: eb 0c jmp 0x23 17: e8 f8 b2 3d f8 callq 0xf83db314 1c: 0f 00 2d 61 be b7 00 verw 0xb7be61(%rip) # 0xb7be84 23: e8 ec b2 3d f8 callq 0xf83db314 28: fb sti 29: f4 hlt * 2a: 9c pushfq <-- trapping instruction 2b: 5b pop %rbx 2c: 81 e3 00 02 00 00 and $0x200,%ebx 32: fa cli 33: 31 ff xor %edi,%edi 35: 48 89 de mov %rbx,%rsi 38: e8 b7 b8 3d f8 callq 0xf83db8f4 3d: 48 85 db test %rbx,%rbx