------------[ cut here ]------------ WARNING: CPU: 1 PID: 18906 at kernel/workqueue.c:1438 __queue_work+0xe36/0x1200 kernel/workqueue.c:1438 Modules linked in: CPU: 1 PID: 18906 Comm: rm Not tainted 6.0.0-syzkaller-02770-g79d878f7ad8e #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022 RIP: 0010:__queue_work+0xe36/0x1200 kernel/workqueue.c:1438 Code: e0 07 83 c0 03 38 d0 7c 09 84 d2 74 05 e8 22 77 7a 00 8b 5b 2c 31 ff 83 e3 20 89 de e8 73 66 2d 00 85 db 75 42 e8 aa 69 2d 00 <0f> 0b e9 4a f8 ff ff e8 9e 69 2d 00 0f 0b e9 dc f7 ff ff e8 92 69 RSP: 0000:ffffc900001f0cb8 EFLAGS: 00010046 RAX: 0000000000000000 RBX: 0000000000000100 RCX: 0000000000000100 RDX: ffff888020a59d80 RSI: ffffffff814dabc6 RDI: 0000000000000005 RBP: ffffc900001f0d70 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000100 R11: 0000000000000001 R12: ffff888062420b30 R13: 1ffff9200003e1a8 R14: ffffffff814e0720 R15: ffff88804fad4000 FS: 0000000000000000(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f60ccc45c50 CR3: 000000001be61000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: call_timer_fn+0x1a0/0x6b0 kernel/time/timer.c:1474 expire_timers kernel/time/timer.c:1514 [inline] __run_timers.part.0+0x4a3/0xa80 kernel/time/timer.c:1790 __run_timers kernel/time/timer.c:1768 [inline] run_timer_softirq+0xb3/0x1d0 kernel/time/timer.c:1803 __do_softirq+0x1d0/0x9c8 kernel/softirq.c:571 invoke_softirq kernel/softirq.c:445 [inline] __irq_exit_rcu+0x123/0x180 kernel/softirq.c:650 irq_exit_rcu+0x5/0x20 kernel/softirq.c:662 sysvec_apic_timer_interrupt+0x93/0xc0 arch/x86/kernel/apic/apic.c:1107 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:649 RIP: 0010:__sanitizer_cov_trace_pc+0x37/0x60 kernel/kcov.c:200 Code: 81 e1 00 01 00 00 65 48 8b 14 25 80 6f 02 00 a9 00 01 ff 00 74 0e 85 c9 74 35 8b 82 bc 15 00 00 85 c0 74 2b 8b 82 98 15 00 00 <83> f8 02 75 20 48 8b 8a a0 15 00 00 8b 92 9c 15 00 00 48 8b 01 48 RSP: 0000:ffffc9000337f5a0 EFLAGS: 00000246 RAX: 0000000000000000 RBX: 00007f60cced5b6c RCX: 0000000000000000 RDX: ffff888020a59d80 RSI: ffffffff8100746c RDI: 00007f60cced5b6c RBP: 00007f60cced5b6c R08: ffffffff8efb73ec R09: ffffc9000337f654 R10: fffff5200066fecf R11: 000000000008c07c R12: ffffc9000337f6d8 R13: 0000000000000000 R14: ffff888020a59d80 R15: ffffea00012a1340 in_gate_area_no_mm+0xc/0x6a arch/x86/entry/vsyscall/vsyscall_64.c:345 is_kernel_text include/linux/kallsyms.h:31 [inline] core_kernel_text+0x20/0x90 kernel/extable.c:68 kernel_text_address+0xd/0x80 kernel/extable.c:99 __kernel_text_address+0x9/0x30 kernel/extable.c:79 unwind_get_return_address arch/x86/kernel/unwind_orc.c:323 [inline] unwind_get_return_address+0x51/0x90 arch/x86/kernel/unwind_orc.c:318 arch_stack_walk+0x93/0xe0 arch/x86/kernel/stacktrace.c:26 stack_trace_save+0x8c/0xc0 kernel/stacktrace.c:122 save_stack+0x151/0x1e0 mm/page_owner.c:127 __set_page_owner+0x2e/0x50 mm/page_owner.c:192 prep_new_page mm/page_alloc.c:2532 [inline] get_page_from_freelist+0x109b/0x2ce0 mm/page_alloc.c:4283 __alloc_pages+0x1c7/0x510 mm/page_alloc.c:5549 __folio_alloc+0x12/0x40 mm/page_alloc.c:5580 vma_alloc_folio+0xf9/0x780 mm/mempolicy.c:2231 alloc_page_vma include/linux/gfp.h:290 [inline] wp_page_copy+0x1f1/0x1b10 mm/memory.c:3112 do_wp_page+0x52c/0x1910 mm/memory.c:3479 handle_pte_fault mm/memory.c:4935 [inline] __handle_mm_fault+0x1813/0x39b0 mm/memory.c:5059 handle_mm_fault+0x1c8/0x780 mm/memory.c:5157 do_user_addr_fault+0x475/0x1210 arch/x86/mm/fault.c:1407 handle_page_fault arch/x86/mm/fault.c:1498 [inline] exc_page_fault+0x94/0x170 arch/x86/mm/fault.c:1554 asm_exc_page_fault+0x22/0x30 arch/x86/include/asm/idtentry.h:570 RIP: 0033:0x7f60cced5b6c Code: e6 48 29 c6 48 83 fe 0a 0f 87 0d fe ff ff 4c 89 f6 48 29 c6 48 89 f0 e9 fb fd ff ff 48 85 ff 74 71 49 8b 47 60 48 85 c0 74 04 <48> 01 78 08 49 8b 47 58 48 85 c0 74 04 48 01 78 08 49 8b 47 68 48 RSP: 002b:00007ffee6a55cc0 EFLAGS: 00010206 RAX: 00007f60ccc45c48 RBX: 000000006ffffdff RCX: 00007f60ccecba40 RDX: 00007f60ccc45d98 RSI: 0000000000000029 RDI: 00007f60ccc2f000 RBP: 00007ffee6a55e10 R08: 000000006fffffff R09: 00000000effffef5 R10: 0000000070000022 R11: 0000000000000032 R12: 000000006ffffeff R13: 000000006ffffe35 R14: 000000006fffff41 R15: 00007f60ccecba00 ---------------- Code disassembly (best guess): 0: 81 e1 00 01 00 00 and $0x100,%ecx 6: 65 48 8b 14 25 80 6f mov %gs:0x26f80,%rdx d: 02 00 f: a9 00 01 ff 00 test $0xff0100,%eax 14: 74 0e je 0x24 16: 85 c9 test %ecx,%ecx 18: 74 35 je 0x4f 1a: 8b 82 bc 15 00 00 mov 0x15bc(%rdx),%eax 20: 85 c0 test %eax,%eax 22: 74 2b je 0x4f 24: 8b 82 98 15 00 00 mov 0x1598(%rdx),%eax * 2a: 83 f8 02 cmp $0x2,%eax <-- trapping instruction 2d: 75 20 jne 0x4f 2f: 48 8b 8a a0 15 00 00 mov 0x15a0(%rdx),%rcx 36: 8b 92 9c 15 00 00 mov 0x159c(%rdx),%edx 3c: 48 8b 01 mov (%rcx),%rax 3f: 48 rex.W