cm109 6-1:0.8: cm109_urb_irq_callback: urb status -71 ------------[ cut here ]------------ URB ffff88805a954900 submitted while active WARNING: drivers/usb/core/urb.c:380 at usb_submit_urb+0x7b/0x18d0 drivers/usb/core/urb.c:380, CPU#1: syz.6.2143/13197 Modules linked in: CPU: 1 UID: 0 PID: 13197 Comm: syz.6.2143 Tainted: G L syzkaller #0 PREEMPT(full) Tainted: [L]=SOFTLOCKUP Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 RIP: 0010:usb_submit_urb+0x7e/0x18d0 drivers/usb/core/urb.c:380 Code: 89 f0 48 c1 e8 03 42 80 3c 38 00 74 08 4c 89 f7 e8 17 6f 1c fb 49 83 3e 00 74 40 e8 3c 9e b5 fa 48 8d 3d a5 72 c5 08 48 89 de <67> 48 0f b9 3a b8 f0 ff ff ff eb 11 e8 21 9e b5 fa eb 05 e8 1a 9e RSP: 0018:ffffc90000a08978 EFLAGS: 00010087 RAX: ffffffff870b5c84 RBX: ffff88805a954900 RCX: 0000000000040000 RDX: ffffc900023a2000 RSI: ffff88805a954900 RDI: ffffffff8fd0cf30 RBP: 000000000000000f R08: 0000000000000003 R09: 0000000000000004 R10: dffffc0000000000 R11: fffff52000141130 R12: 0000000000000820 R13: ffff88807a037030 R14: ffff88805a954908 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff888125abb000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000110c251ee6 CR3: 0000000032f5a000 CR4: 00000000003526f0 Call Trace: cm109_submit_ctl drivers/input/misc/cm109.c:380 [inline] cm109_urb_irq_callback+0x709/0xcd0 drivers/input/misc/cm109.c:431 __usb_hcd_giveback_urb+0x376/0x540 drivers/usb/core/hcd.c:1661 dummy_timer+0x85f/0x45b0 drivers/usb/gadget/udc/dummy_hcd.c:1995 __run_hrtimer kernel/time/hrtimer.c:1777 [inline] __hrtimer_run_queues+0x51c/0xc30 kernel/time/hrtimer.c:1841 hrtimer_run_softirq+0x187/0x2b0 kernel/time/hrtimer.c:1858 handle_softirqs+0x22b/0x7c0 kernel/softirq.c:626 __do_softirq kernel/softirq.c:660 [inline] invoke_softirq kernel/softirq.c:496 [inline] __irq_exit_rcu+0x60/0x150 kernel/softirq.c:727 irq_exit_rcu+0x9/0x30 kernel/softirq.c:743 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1056 [inline] sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1056 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697 RIP: 0010:kasan_check_range+0x5/0x2c0 mm/kasan/generic.c:199 Code: 48 c7 c6 2d b7 c9 8d e8 a9 57 00 ff 90 0f 0b cc cc cc cc cc cc 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 0f 1f 40 d6 55 <41> 57 41 56 41 55 41 54 53 b0 01 48 85 f6 0f 84 ba 01 00 00 4c 8d RSP: 0018:ffffc9000ecef640 EFLAGS: 00000246 RAX: 1ffffffff33b1958 RBX: 0000000000000001 RCX: ffffffff823374a9 RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88801e51c7d8 RBP: ffff88801e51c790 R08: ffffffff82337374 R09: ffffffff8e33efa0 R10: dffffc0000000000 R11: fffff9400039c729 R12: 00000000000738e5 R13: 0000000000000001 R14: ffffea0001ce3948 R15: ffff88801e51c7d8 instrument_atomic_read include/linux/instrumented.h:68 [inline] atomic_read include/linux/atomic/atomic-instrumented.h:32 [inline] page_table_check_clear+0x279/0x5f0 mm/page_table_check.c:85 ptep_get_and_clear_full arch/x86/include/asm/jump_label.h:-1 [inline] get_and_clear_full_ptes include/linux/pgtable.h:865 [inline] zap_present_folio_ptes mm/memory.c:1626 [inline] zap_present_ptes mm/memory.c:1708 [inline] do_zap_pte_range mm/memory.c:1810 [inline] zap_pte_range mm/memory.c:1854 [inline] zap_pmd_range mm/memory.c:1946 [inline] zap_pud_range mm/memory.c:1975 [inline] zap_p4d_range mm/memory.c:1996 [inline] unmap_page_range+0x3257/0x4170 mm/memory.c:2017 unmap_single_vma mm/memory.c:2059 [inline] unmap_vmas+0x399/0x580 mm/memory.c:2101 exit_mmap+0x239/0xb10 mm/mmap.c:1277 __mmput+0x118/0x430 kernel/fork.c:1173 exit_mm+0x169/0x230 kernel/exit.c:581 do_exit+0x627/0x22f0 kernel/exit.c:959 do_group_exit+0x21c/0x2d0 kernel/exit.c:1112 __do_sys_exit_group kernel/exit.c:1123 [inline] __se_sys_exit_group kernel/exit.c:1121 [inline] __x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1121 x64_sys_call+0x2210/0x2210 arch/x86/include/generated/asm/syscalls_64.h:232 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xec/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fdb5af8f749 Code: Unable to access opcode bytes at 0x7fdb5af8f71f. RSP: 002b:00007ffc102880f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fdb5af8f749 RDX: 0000000000000064 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007ffc1028815c R08: 0000000a102881ef R09: 00000000000927c0 R10: 0000000000000001 R11: 0000000000000246 R12: 00000000000000fe R13: 00000000000927c0 R14: 00000000000c3b8d R15: 00007ffc102881b0 ---------------- Code disassembly (best guess): 0: 89 f0 mov %esi,%eax 2: 48 c1 e8 03 shr $0x3,%rax 6: 42 80 3c 38 00 cmpb $0x0,(%rax,%r15,1) b: 74 08 je 0x15 d: 4c 89 f7 mov %r14,%rdi 10: e8 17 6f 1c fb call 0xfb1c6f2c 15: 49 83 3e 00 cmpq $0x0,(%r14) 19: 74 40 je 0x5b 1b: e8 3c 9e b5 fa call 0xfab59e5c 20: 48 8d 3d a5 72 c5 08 lea 0x8c572a5(%rip),%rdi # 0x8c572cc 27: 48 89 de mov %rbx,%rsi * 2a: 67 48 0f b9 3a ud1 (%edx),%rdi <-- trapping instruction 2f: b8 f0 ff ff ff mov $0xfffffff0,%eax 34: eb 11 jmp 0x47 36: e8 21 9e b5 fa call 0xfab59e5c 3b: eb 05 jmp 0x42 3d: e8 .byte 0xe8 3e: 1a .byte 0x1a 3f: 9e sahf