cm109 5-1:0.8: cm109_urb_irq_callback: urb status -71 ------------[ cut here ]------------ URB ffff888018ed5a00 submitted while active WARNING: CPU: 1 PID: 15200 at drivers/usb/core/urb.c:379 usb_submit_urb+0xff9/0x1920 drivers/usb/core/urb.c:379 Modules linked in: CPU: 1 PID: 15200 Comm: syz.0.19365 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 RIP: 0010:usb_submit_urb+0xff9/0x1920 drivers/usb/core/urb.c:379 Code: bf 2e 8b 89 ea e8 6a ef ff 03 e9 f7 fb ff ff e8 7d 12 5b fb c6 05 d1 2f e4 07 01 48 c7 c7 e0 bd 2e 8b 48 89 de e8 e7 80 26 fb <0f> 0b e9 7d f0 ff ff e8 5b 12 5b fb eb 21 e8 54 12 5b fb 44 8b 6c RSP: 0018:ffffc900001e0840 EFLAGS: 00010046 RAX: fccc72db48343500 RBX: ffff888018ed5a00 RCX: 0000000000040000 RDX: ffffc90002312000 RSI: 000000000000a15f RDI: 000000000000a160 RBP: 000000000000000f R08: ffffc900001e04c7 R09: 1ffff9200003c098 R10: dffffc0000000000 R11: fffff5200003c099 R12: dffffc0000000000 R13: 0000000000000a20 R14: ffff888018ed5a08 R15: ffff888072526048 FS: 0000000000000000(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2fe22ff8 CR3: 000000006c7dc000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: cm109_urb_irq_callback+0x701/0xc70 drivers/input/misc/cm109.c:422 __usb_hcd_giveback_urb+0x35f/0x520 drivers/usb/core/hcd.c:1675 dummy_timer+0x8d0/0x3330 drivers/usb/gadget/udc/dummy_hcd.c:2004 __run_hrtimer kernel/time/hrtimer.c:1747 [inline] __hrtimer_run_queues+0x54a/0xd50 kernel/time/hrtimer.c:1811 hrtimer_run_softirq+0x183/0x2a0 kernel/time/hrtimer.c:1828 handle_softirqs+0x2a1/0x930 kernel/softirq.c:596 __do_softirq kernel/softirq.c:630 [inline] invoke_softirq kernel/softirq.c:470 [inline] __irq_exit_rcu+0x13b/0x230 kernel/softirq.c:679 irq_exit_rcu+0x5/0x20 kernel/softirq.c:691 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:__sanitizer_cov_trace_pc+0x0/0x60 kernel/kcov.c:212 Code: 2e 0f 1f 84 00 00 00 00 00 90 53 48 89 fb e8 17 00 00 00 48 8b 3d b0 87 9d 0c 48 89 de 5b e9 b7 42 50 00 00 00 cc cc 00 00 cc <48> 8b 04 24 65 48 8b 0d 84 e8 7f 7e 65 8b 15 85 e8 7f 7e 81 e2 00 RSP: 0018:ffffc9000d27f408 EFLAGS: 00000297 RAX: ffffffff81c3b965 RBX: ffff88801db76010 RCX: 0000000000000000 RDX: ffff88802c435940 RSI: 00000000000001fe RDI: 0000000000000016 RBP: 0000000000000016 R08: ffffea00019a9873 R09: 1ffffd400033530e R10: dffffc0000000000 R11: fffff9400033530f R12: dffffc0000000000 R13: 00000000000001fe R14: ffffc9000d27f7a8 R15: ffff88801db76000 __tlb_remove_page_size+0x14c/0x3f0 mm/mmu_gather.c:97 __tlb_remove_page include/asm-generic/tlb.h:460 [inline] zap_pte_range mm/memory.c:1454 [inline] zap_pmd_range mm/memory.c:1572 [inline] zap_pud_range mm/memory.c:1601 [inline] zap_p4d_range mm/memory.c:1622 [inline] unmap_page_range+0x125d/0x2500 mm/memory.c:1643 unmap_vmas+0x260/0x390 mm/memory.c:1728 exit_mmap+0x20d/0x960 mm/mmap.c:3250 __mmput+0x118/0x3c0 kernel/fork.c:1205 exit_mm+0x25a/0x360 kernel/exit.c:566 do_exit+0x905/0x2480 kernel/exit.c:868 do_group_exit+0x217/0x2d0 kernel/exit.c:1023 get_signal+0x1272/0x1350 kernel/signal.c:2871 arch_do_signal_or_restart+0xc4/0x1350 arch/x86/kernel/signal.c:871 exit_to_user_mode_loop+0x70/0x110 kernel/entry/common.c:174 exit_to_user_mode_prepare+0xee/0x180 kernel/entry/common.c:210 __syscall_exit_to_user_mode_work kernel/entry/common.c:292 [inline] syscall_exit_to_user_mode+0x16/0x40 kernel/entry/common.c:303 do_syscall_64+0x58/0xa0 arch/x86/entry/common.c:82 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7fe1b699ce59 Code: Unable to access opcode bytes at 0x7fe1b699ce2f. RSP: 002b:00007fe1b78120e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: fffffffffffffe00 RBX: 00007fe1b6c15fa8 RCX: 00007fe1b699ce59 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007fe1b6c15fa8 RBP: 00007fe1b6c15fa0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fe1b6c16038 R14: 00007fff62fe8850 R15: 00007fff62fe8938 ---------------- Code disassembly (best guess): 0: 2e 0f 1f 84 00 00 00 cs nopl 0x0(%rax,%rax,1) 7: 00 00 9: 90 nop a: 53 push %rbx b: 48 89 fb mov %rdi,%rbx e: e8 17 00 00 00 call 0x2a 13: 48 8b 3d b0 87 9d 0c mov 0xc9d87b0(%rip),%rdi # 0xc9d87ca 1a: 48 89 de mov %rbx,%rsi 1d: 5b pop %rbx 1e: e9 b7 42 50 00 jmp 0x5042da 23: 00 00 add %al,(%rax) 25: cc int3 26: cc int3 27: 00 00 add %al,(%rax) 29: cc int3 * 2a: 48 8b 04 24 mov (%rsp),%rax <-- trapping instruction 2e: 65 48 8b 0d 84 e8 7f mov %gs:0x7e7fe884(%rip),%rcx # 0x7e7fe8ba 35: 7e 36: 65 8b 15 85 e8 7f 7e mov %gs:0x7e7fe885(%rip),%edx # 0x7e7fe8c2 3d: 81 .byte 0x81 3e: e2 00 loop 0x40