cm109 9-1:0.8: cm109_urb_irq_callback: urb status -71 ------------[ cut here ]------------ URB ffff88802e52ac00 submitted while active WARNING: CPU: 1 PID: 12086 at drivers/usb/core/urb.c:379 usb_submit_urb+0xf95/0x1850 drivers/usb/core/urb.c:379 Modules linked in: CPU: 1 PID: 12086 Comm: syz.7.1075 Not tainted 6.6.101-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 RIP: 0010:usb_submit_urb+0xf95/0x1850 drivers/usb/core/urb.c:379 Code: 04 00 00 eb 58 e8 1b f1 36 fb e9 1a f1 ff ff e8 11 f1 36 fb c6 05 70 88 e6 07 01 48 c7 c7 00 c6 4a 8b 48 89 de e8 3b 66 01 fb <0f> 0b e9 e5 f0 ff ff e8 ef f0 36 fb eb 11 e8 e8 f0 36 fb bd 80 00 RSP: 0018:ffffc900001f0860 EFLAGS: 00010046 RAX: d05d3e81a115ef00 RBX: ffff88802e52ac00 RCX: 0000000000040000 RDX: ffffc90002301000 RSI: 0000000000007ad9 RDI: 0000000000007ada RBP: 000000000000000f R08: ffff8880b8f28c13 R09: 1ffff110171e5182 R10: dffffc0000000000 R11: ffffed10171e5183 R12: 1ffff1100b94950a R13: dffffc0000000000 R14: ffff88802e52ac08 R15: 0000000000000820 FS: 0000000000000000(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000200001000000 CR3: 000000000cb30000 CR4: 00000000003506e0 Call Trace: cm109_urb_irq_callback+0x72c/0xc90 drivers/input/misc/cm109.c:422 __usb_hcd_giveback_urb+0x35f/0x520 drivers/usb/core/hcd.c:1650 dummy_timer+0x8a3/0x31b0 drivers/usb/gadget/udc/dummy_hcd.c:1993 __run_hrtimer kernel/time/hrtimer.c:1755 [inline] __hrtimer_run_queues+0x51e/0xc40 kernel/time/hrtimer.c:1819 hrtimer_run_softirq+0x187/0x2b0 kernel/time/hrtimer.c:1836 handle_softirqs+0x280/0x820 kernel/softirq.c:578 __do_softirq kernel/softirq.c:612 [inline] invoke_softirq kernel/softirq.c:452 [inline] __irq_exit_rcu+0xc7/0x190 kernel/softirq.c:661 irq_exit_rcu+0x9/0x20 kernel/softirq.c:673 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1088 [inline] sysvec_apic_timer_interrupt+0xa4/0xc0 arch/x86/kernel/apic/apic.c:1088 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:687 RIP: 0010:__orc_find arch/x86/kernel/unwind_orc.c:-1 [inline] RIP: 0010:orc_find arch/x86/kernel/unwind_orc.c:227 [inline] RIP: 0010:unwind_next_frame+0x465/0x2970 arch/x86/kernel/unwind_orc.c:494 Code: 4c 89 fd e9 a9 14 00 00 4e 8d 24 ad 90 ef 56 8e 44 29 ed 49 8d 5c ac fc 49 39 dc 76 0d e8 73 ee 4a 00 4d 29 e4 e9 a4 00 00 00 <4c> 89 e5 4c 89 64 24 28 48 ba 00 00 00 00 00 fc ff df 4c 8b 74 24 RSP: 0018:ffffc90004c06eb8 EFLAGS: 00000293 RAX: ffffffff813aa572 RBX: ffffffff8e61b4dc RCX: 0000000000000000 RDX: ffff88801eee1e00 RSI: 000000000002b14a RDI: 000000000002b154 RBP: 000000000000000a R08: ffffc90004c07050 R09: 0000000000000001 R10: 0000000000000004 R11: 0000000000000000 R12: ffffffff8e61b4b8 R13: 000000000002b14a R14: ffffc90004c06fbd R15: 000000000000d0bd arch_stack_walk+0x144/0x190 arch/x86/kernel/stacktrace.c:25 stack_trace_save+0x9c/0xe0 kernel/stacktrace.c:122 save_stack+0xf7/0x1f0 mm/page_owner.c:128 __reset_page_owner+0x4e/0x190 mm/page_owner.c:149 reset_page_owner include/linux/page_owner.h:24 [inline] free_pages_prepare mm/page_alloc.c:1154 [inline] free_unref_page_prepare+0x7ce/0x8e0 mm/page_alloc.c:2336 free_unref_page_list+0xbe/0x860 mm/page_alloc.c:2475 release_pages+0x1fa0/0x2220 mm/swap.c:1022 tlb_batch_pages_flush mm/mmu_gather.c:98 [inline] tlb_flush_mmu_free mm/mmu_gather.c:293 [inline] tlb_flush_mmu+0x368/0x4f0 mm/mmu_gather.c:300 zap_pte_range mm/memory.c:1531 [inline] zap_pmd_range mm/memory.c:1570 [inline] zap_pud_range mm/memory.c:1599 [inline] zap_p4d_range mm/memory.c:1620 [inline] unmap_page_range+0x26d4/0x2fe0 mm/memory.c:1641 unmap_vmas+0x25e/0x3a0 mm/memory.c:1731 exit_mmap+0x200/0xb50 mm/mmap.c:3298 __mmput+0x118/0x3c0 kernel/fork.c:1355 exit_mm+0x1da/0x2c0 kernel/exit.c:569 do_exit+0x88e/0x23c0 kernel/exit.c:870 do_group_exit+0x21b/0x2d0 kernel/exit.c:1024 get_signal+0x12fc/0x1400 kernel/signal.c:2902 arch_do_signal_or_restart+0x96/0x780 arch/x86/kernel/signal.c:310 exit_to_user_mode_loop+0x70/0x110 kernel/entry/common.c:174 exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:210 __syscall_exit_to_user_mode_work kernel/entry/common.c:291 [inline] syscall_exit_to_user_mode+0x1a/0x50 kernel/entry/common.c:302 do_syscall_64+0x61/0xb0 arch/x86/entry/common.c:87 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7f832798ebe9 Code: Unable to access opcode bytes at 0x7f832798ebbf. RSP: 002b:00007f8328812038 EFLAGS: 00000246 ORIG_RAX: 000000000000012b RAX: 000000000003fffd RBX: 00007f8327bb6090 RCX: 00007f832798ebe9 RDX: 03fffffffffffeda RSI: 00002000000000c0 RDI: 0000000000000003 RBP: 00007f8327a11e19 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000002 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f8327bb6128 R14: 00007f8327bb6090 R15: 00007ffc8c7bc558 ---------------- Code disassembly (best guess): 0: 4c 89 fd mov %r15,%rbp 3: e9 a9 14 00 00 jmp 0x14b1 8: 4e 8d 24 ad 90 ef 56 lea -0x71a91070(,%r13,4),%r12 f: 8e 10: 44 29 ed sub %r13d,%ebp 13: 49 8d 5c ac fc lea -0x4(%r12,%rbp,4),%rbx 18: 49 39 dc cmp %rbx,%r12 1b: 76 0d jbe 0x2a 1d: e8 73 ee 4a 00 call 0x4aee95 22: 4d 29 e4 sub %r12,%r12 25: e9 a4 00 00 00 jmp 0xce * 2a: 4c 89 e5 mov %r12,%rbp <-- trapping instruction 2d: 4c 89 64 24 28 mov %r12,0x28(%rsp) 32: 48 ba 00 00 00 00 00 movabs $0xdffffc0000000000,%rdx 39: fc ff df 3c: 4c rex.WR 3d: 8b .byte 0x8b 3e: 74 24 je 0x64