cm109 9-1:0.8: cm109_urb_irq_callback: urb status -71 ------------[ cut here ]------------ URB ffff8880497cfe00 submitted while active WARNING: drivers/usb/core/urb.c:379 at usb_submit_urb+0x79/0x18b0 drivers/usb/core/urb.c:379, CPU#0: syz.1.8731/31851 Modules linked in: CPU: 0 UID: 0 PID: 31851 Comm: syz.1.8731 Tainted: G L syzkaller #0 PREEMPT(full) Tainted: [L]=SOFTLOCKUP Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/25/2026 RIP: 0010:usb_submit_urb+0x7c/0x18b0 drivers/usb/core/urb.c:379 Code: 4c 89 f0 48 c1 e8 03 80 3c 28 00 74 08 4c 89 f7 e8 49 50 d3 fa 49 83 3e 00 74 40 e8 fe c4 65 fa 48 8d 3d d7 c3 04 09 48 89 de <67> 48 0f b9 3a b8 f0 ff ff ff eb 11 e8 e3 c4 65 fa eb 05 e8 dc c4 RSP: 0018:ffffc90000007a18 EFLAGS: 00010083 RAX: ffffffff8760ac82 RBX: ffff8880497cfe00 RCX: 0000000000040000 RDX: ffffc90002081000 RSI: ffff8880497cfe00 RDI: ffffffff90657060 RBP: dffffc0000000000 R08: 0000000000000003 R09: 0000000000000004 R10: dffffc0000000000 R11: fffff52000000f40 R12: ffff888034d03048 R13: ffff888034d03030 R14: ffff8880497cfe08 R15: 0000000000000820 FS: 00007f67d64826c0(0000) GS:ffff888124f56000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000200000198030 CR3: 00000000796f0000 CR4: 00000000003526f0 Call Trace: cm109_submit_ctl drivers/input/misc/cm109.c:380 [inline] cm109_urb_irq_callback+0x6fb/0xca0 drivers/input/misc/cm109.c:431 __usb_hcd_giveback_urb+0x374/0x530 drivers/usb/core/hcd.c:1657 dummy_timer+0xac3/0x4b40 drivers/usb/gadget/udc/dummy_hcd.c:2005 __run_hrtimer kernel/time/hrtimer.c:2032 [inline] __hrtimer_run_queues+0x3bc/0xa10 kernel/time/hrtimer.c:2096 hrtimer_run_softirq+0x17a/0x240 kernel/time/hrtimer.c:2113 handle_softirqs+0x225/0x840 kernel/softirq.c:622 __do_softirq kernel/softirq.c:656 [inline] invoke_softirq kernel/softirq.c:496 [inline] __irq_exit_rcu+0xca/0x220 kernel/softirq.c:735 irq_exit_rcu+0x9/0x30 kernel/softirq.c:752 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1062 [inline] sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1062 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:674 RIP: 0010:csd_lock_wait kernel/smp.c:342 [inline] RIP: 0010:smp_call_function_many_cond+0x10b0/0x14b0 kernel/smp.c:892 Code: c0 75 73 41 8b 1e 89 de 83 e6 01 31 ff e8 d8 22 0c 00 83 e3 01 48 bb 00 00 00 00 00 fc ff df 75 07 e8 84 1e 0c 00 eb 37 f3 90 <41> 0f b6 04 1c 84 c0 75 10 41 f7 06 01 00 00 00 74 1e e8 69 1e 0c RSP: 0018:ffffc9000da2f120 EFLAGS: 00000246 RAX: ffffffff81ba5317 RBX: dffffc0000000000 RCX: 0000000000080000 RDX: ffffc90021b0c000 RSI: 000000000007ffff RDI: 0000000000080000 RBP: ffffc9000da2f250 R08: ffffffff905781f7 R09: 1ffffffff20af03e R10: dffffc0000000000 R11: fffffbfff20af03f R12: 1ffff110170e81d1 R13: ffff8880b863c448 R14: ffff8880b8740e88 R15: 0000000000000001 on_each_cpu_cond_mask+0x3f/0x80 kernel/smp.c:1057 __flush_tlb_multi arch/x86/include/asm/paravirt.h:46 [inline] flush_tlb_multi arch/x86/mm/tlb.c:1361 [inline] flush_tlb_mm_range+0x5c4/0x1090 arch/x86/mm/tlb.c:1451 flush_tlb_page arch/x86/include/asm/tlbflush.h:345 [inline] ptep_clear_flush+0x120/0x170 mm/pgtable-generic.c:104 wp_page_copy mm/memory.c:3941 [inline] do_wp_page+0x3d52/0x4c70 mm/memory.c:4336 handle_pte_fault mm/memory.c:6395 [inline] __handle_mm_fault mm/memory.c:6517 [inline] handle_mm_fault+0x1490/0x3080 mm/memory.c:6686 do_user_addr_fault+0x744/0x1340 arch/x86/mm/fault.c:1394 handle_page_fault arch/x86/mm/fault.c:1483 [inline] exc_page_fault+0x6a/0xc0 arch/x86/mm/fault.c:1536 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:595 RIP: 0010:__put_user_nocheck_4+0x3/0x20 arch/x86/lib/putuser.S:104 Code: d9 0f 01 cb 89 01 31 c9 0f 01 ca c3 cc cc cc cc 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 0f 01 cb <89> 01 31 c9 0f 01 ca e9 11 92 03 00 90 90 90 90 90 90 90 90 90 90 RSP: 0018:ffffc9000da2f8d8 EFLAGS: 00050202 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000200000198030 RDX: ffff8880270e1f00 RSI: 0000000000000002 RDI: 00000000ffffffff RBP: ffffc9000da2fa50 R08: ffffc9000da2f6a7 R09: 1ffff92001b45ed4 R10: dffffc0000000000 R11: fffff52001b45ed5 R12: 1ffff92001b45f28 R13: 0000000000000002 R14: 0000200000198000 R15: dffffc0000000000 ____sys_recvmsg+0x2be/0x4a0 net/socket.c:2917 ___sys_recvmsg+0x213/0x5a0 net/socket.c:2946 do_recvmmsg+0x31a/0x7f0 net/socket.c:3041 __sys_recvmmsg net/socket.c:3115 [inline] __do_sys_recvmmsg net/socket.c:3138 [inline] __se_sys_recvmmsg net/socket.c:3131 [inline] __x64_sys_recvmmsg+0x198/0x250 net/socket.c:3131 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x174/0x580 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f67d559de59 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f67d6482028 EFLAGS: 00000246 ORIG_RAX: 000000000000012b RAX: ffffffffffffffda RBX: 00007f67d5826090 RCX: 00007f67d559de59 RDX: 0000000000010106 RSI: 00002000000000c0 RDI: 0000000000000003 RBP: 00007f67d5633e6f R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000002 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f67d5826128 R14: 00007f67d5826090 R15: 00007f67d594fa48 ---------------- Code disassembly (best guess): 0: 4c 89 f0 mov %r14,%rax 3: 48 c1 e8 03 shr $0x3,%rax 7: 80 3c 28 00 cmpb $0x0,(%rax,%rbp,1) b: 74 08 je 0x15 d: 4c 89 f7 mov %r14,%rdi 10: e8 49 50 d3 fa call 0xfad3505e 15: 49 83 3e 00 cmpq $0x0,(%r14) 19: 74 40 je 0x5b 1b: e8 fe c4 65 fa call 0xfa65c51e 20: 48 8d 3d d7 c3 04 09 lea 0x904c3d7(%rip),%rdi # 0x904c3fe 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 e3 c4 65 fa call 0xfa65c51e 3b: eb 05 jmp 0x42 3d: e8 .byte 0xe8 3e: dc c4 fadd %st,%st(4)