------------[ cut here ]------------ WARNING: CPU: 1 PID: 4385 at kernel/workqueue.c:1441 __queue_work+0xddc/0xf90 Modules linked in: CPU: 1 PID: 4385 Comm: syz-executor Tainted: G W 6.1.121-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 RIP: 0010:__queue_work+0xddc/0xf90 kernel/workqueue.c:1441 Code: 8b 3c 24 e8 46 7f 88 00 e9 d9 fc ff ff e8 ac f4 30 00 89 ee 48 c7 c7 00 9a 1d 8d e8 ae ef 15 03 e9 1e fc ff ff e8 94 f4 30 00 <0f> 0b 48 83 c4 50 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 7e f4 30 00 RSP: 0000:ffffc900001e0af8 EFLAGS: 00010046 RAX: ffffffff8159a7dc RBX: 00000000000b0012 RCX: ffff888027b41dc0 RDX: 0000000000000100 RSI: 0000000000000100 RDI: 0000000000000000 RBP: 0000000000010000 R08: ffffffff815a9585 R09: fffffbfff1d3608e R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 R13: dffffc0000000000 R14: 0000000000000008 R15: ffff88807a9cc800 FS: 0000000000000000(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f7aae125020 CR3: 000000005c204000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: call_timer_fn+0x1ad/0x6b0 kernel/time/timer.c:1504 expire_timers kernel/time/timer.c:1544 [inline] __run_timers+0x6a8/0x890 kernel/time/timer.c:1820 run_timer_softirq+0x63/0xf0 kernel/time/timer.c:1833 handle_softirqs+0x2ee/0xa40 kernel/softirq.c:571 __do_softirq kernel/softirq.c:605 [inline] invoke_softirq kernel/softirq.c:445 [inline] __irq_exit_rcu+0x157/0x240 kernel/softirq.c:654 irq_exit_rcu+0x5/0x20 kernel/softirq.c:666 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1118 [inline] sysvec_apic_timer_interrupt+0xa0/0xc0 arch/x86/kernel/apic/apic.c:1118 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:691 RIP: 0010:preempt_count arch/x86/include/asm/preempt.h:27 [inline] RIP: 0010:check_kcov_mode kernel/kcov.c:182 [inline] RIP: 0010:__sanitizer_cov_trace_pc+0xc/0x60 kernel/kcov.c:216 Code: 89 fb e8 17 00 00 00 48 8b 3d 38 6a 10 0d 48 89 de 5b e9 c7 b3 56 00 cc cc cc cc cc cc cc 48 8b 04 24 65 48 8b 0d c4 d2 77 7e <65> 8b 15 c5 d2 77 7e 81 e2 00 01 ff 00 74 11 81 fa 00 01 00 00 75 RSP: 0000:ffffc900033178e8 EFLAGS: 00000293 RAX: ffffffff8aae61b8 RBX: 0000000000000006 RCX: ffff888027b41dc0 RDX: 0000000000000000 RSI: 000000000000000c RDI: 000000000000003f RBP: 000000000000000c R08: ffffffff8aae6152 R09: fffffbfff2249c4d R10: 0000000000000000 R11: dffffc0000000001 R12: ffffc900033179e8 R13: ffff88801805c002 R14: ffffc900033179f8 R15: 1ffff92000662f3f xas_start+0x3f8/0x7b0 lib/xarray.c:193 xas_load+0x28/0x140 lib/xarray.c:235 mapping_get_entry mm/filemap.c:1881 [inline] __filemap_get_folio+0x22c/0xe80 mm/filemap.c:1943 filemap_get_folio include/linux/pagemap.h:562 [inline] filemap_fault+0x1ba/0x17e0 mm/filemap.c:3210 __do_fault+0x136/0x4f0 mm/memory.c:4278 do_cow_fault mm/memory.c:4659 [inline] do_fault mm/memory.c:4760 [inline] handle_pte_fault mm/memory.c:5029 [inline] __handle_mm_fault mm/memory.c:5171 [inline] handle_mm_fault+0x2fbc/0x5340 mm/memory.c:5292 do_user_addr_fault arch/x86/mm/fault.c:1340 [inline] handle_page_fault arch/x86/mm/fault.c:1431 [inline] exc_page_fault+0x26f/0x620 arch/x86/mm/fault.c:1487 asm_exc_page_fault+0x22/0x30 arch/x86/include/asm/idtentry.h:608 RIP: 0033:0x7f7aadf9df44 Code: 66 0f 1f 44 00 00 48 8b 38 8b 50 08 4c 01 ff 48 83 fa 26 74 0a 48 83 fa 08 0f 85 1b 0a 00 00 48 8b 50 10 48 83 c0 18 4c 01 fa <48> 89 17 48 39 d8 72 d4 4c 8b b1 e8 01 00 00 49 01 f0 4d 85 f6 0f RSP: 002b:00007ffc03f0be10 EFLAGS: 00010206 RAX: 00007f7aade229c8 RBX: 00007f7aade40200 RCX: 00007f7aae14c700 RDX: 00007f7aae0154b4 RSI: 00007f7aade003c0 RDI: 00007f7aae125020 RBP: 00007f7aae14c700 R08: 0000000000040230 R09: 00007f7aade405f0 R10: 0000000070000025 R11: 00007f7aade003a0 R12: 00007ffc03f0be50 R13: 00007ffc03f0bfd8 R14: 00007ffc03f0bf70 R15: 00007f7aade00000 ---------------- Code disassembly (best guess): 0: 89 fb mov %edi,%ebx 2: e8 17 00 00 00 call 0x1e 7: 48 8b 3d 38 6a 10 0d mov 0xd106a38(%rip),%rdi # 0xd106a46 e: 48 89 de mov %rbx,%rsi 11: 5b pop %rbx 12: e9 c7 b3 56 00 jmp 0x56b3de 17: cc int3 18: cc int3 19: cc int3 1a: cc int3 1b: cc int3 1c: cc int3 1d: cc int3 1e: 48 8b 04 24 mov (%rsp),%rax 22: 65 48 8b 0d c4 d2 77 mov %gs:0x7e77d2c4(%rip),%rcx # 0x7e77d2ee 29: 7e * 2a: 65 8b 15 c5 d2 77 7e mov %gs:0x7e77d2c5(%rip),%edx # 0x7e77d2f6 <-- trapping instruction 31: 81 e2 00 01 ff 00 and $0xff0100,%edx 37: 74 11 je 0x4a 39: 81 fa 00 01 00 00 cmp $0x100,%edx 3f: 75 .byte 0x75