cm109 2-1:0.8: cm109_urb_irq_callback: urb status -71
------------[ cut here ]------------
URB ffff888031dbea00 submitted while active
WARNING: drivers/usb/core/urb.c:379 at usb_submit_urb+0xfc1/0x1830 drivers/usb/core/urb.c:379, CPU#0: syz.1.1928/11831
Modules linked in:
CPU: 0 UID: 0 PID: 11831 Comm: syz.1.1928 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
RIP: 0010:usb_submit_urb+0xfc1/0x1830 drivers/usb/core/urb.c:379
Code: 44 89 f2 e8 c1 a9 f7 f9 e9 13 fc ff ff e8 07 c5 8a fa c6 05 59 9f 99 08 01 90 48 c7 c7 40 b1 56 8c 48 89 de e8 20 69 4e fa 90 <0f> 0b 90 90 e9 b7 f0 ff ff e8 e1 c4 8a fa eb 11 e8 da c4 8a fa bd
RSP: 0018:ffffc90000007868 EFLAGS: 00010046
RAX: 88bfd1350a344200 RBX: ffff888031dbea00 RCX: 0000000000040000
RDX: ffffc90002191000 RSI: 0000000000001d91 RDI: 0000000000001d92
RBP: 000000000000000f R08: ffff8880b8624253 R09: 1ffff110170c484a
R10: dffffc0000000000 R11: ffffed10170c484b R12: dffffc0000000000
R13: ffff88804d50a030 R14: ffff888031dbea08 R15: 0000000000000820
FS: 0000000000000000(0000) GS:ffff8881257d6000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fd0d68e0300 CR3: 0000000075ab6000 CR4: 00000000003526f0
Call Trace:
cm109_submit_ctl drivers/input/misc/cm109.c:380 [inline]
cm109_urb_irq_callback+0x709/0xca0 drivers/input/misc/cm109.c:431
__usb_hcd_giveback_urb+0x376/0x540 drivers/usb/core/hcd.c:1661
dummy_timer+0x862/0x4550 drivers/usb/gadget/udc/dummy_hcd.c:1995
__run_hrtimer kernel/time/hrtimer.c:1761 [inline]
__hrtimer_run_queues+0x52c/0xc60 kernel/time/hrtimer.c:1825
hrtimer_run_softirq+0x187/0x2b0 kernel/time/hrtimer.c:1842
handle_softirqs+0x286/0x870 kernel/softirq.c:579
__do_softirq kernel/softirq.c:613 [inline]
invoke_softirq kernel/softirq.c:453 [inline]
__irq_exit_rcu+0xca/0x1f0 kernel/softirq.c:680
irq_exit_rcu+0x9/0x30 kernel/softirq.c:696
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1050 [inline]
sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1050
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:free_pages_and_swap_cache+0x1ed/0x520 mm/swap_state.c:259
Code: 01 00 00 41 c7 06 01 00 00 00 43 80 3c 2c 00 74 08 48 89 df e8 34 bc 08 00 48 8b 1b 48 89 de 48 83 e6 02 31 ff e8 13 43 a5 ff <48> 83 e3 02 0f 85 b1 00 00 00 e8 24 3e a5 ff 0f b6 5c 24 60 44 8d
RSP: 0018:ffffc9000ace74c0 EFLAGS: 00000293
RAX: ffffffff821ab7dd RBX: ffffea00018a4340 RCX: ffff88802b4ebc00
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc9000ace7748 R08: ffffea00018a4347 R09: 1ffffd4000314868
R10: dffffc0000000000 R11: fffff94000314869 R12: 1ffff1100614ac35
R13: dffffc0000000000 R14: ffffc9000ace76b0 R15: 0000000000000033
__tlb_batch_free_encoded_pages mm/mmu_gather.c:136 [inline]
tlb_batch_pages_flush mm/mmu_gather.c:149 [inline]
tlb_flush_mmu_free mm/mmu_gather.c:397 [inline]
tlb_flush_mmu+0x3a0/0x680 mm/mmu_gather.c:404
tlb_finish_mmu+0xc3/0x1d0 mm/mmu_gather.c:497
exit_mmap+0x44c/0xb50 mm/mmap.c:1293
__mmput+0x118/0x420 kernel/fork.c:1130
exit_mm+0x1da/0x2c0 kernel/exit.c:582
do_exit+0x648/0x2300 kernel/exit.c:949
do_group_exit+0x21c/0x2d0 kernel/exit.c:1102
get_signal+0x1286/0x1340 kernel/signal.c:3034
arch_do_signal_or_restart+0x9a/0x750 arch/x86/kernel/signal.c:337
exit_to_user_mode_loop+0x75/0x110 kernel/entry/common.c:40
exit_to_user_mode_prepare include/linux/irq-entry-common.h:225 [inline]
syscall_exit_to_user_mode_work include/linux/entry-common.h:175 [inline]
syscall_exit_to_user_mode include/linux/entry-common.h:210 [inline]
do_syscall_64+0x2bd/0x3b0 arch/x86/entry/syscall_64.c:100
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fbb80bc14a5
Code: Unable to access opcode bytes at 0x7fbb80bc147b.
RSP: 002b:00007fbb81ab1f80 EFLAGS: 00000293 ORIG_RAX: 00000000000000e6
RAX: fffffffffffffdfc RBX: 00007fbb80db5fa0 RCX: 00007fbb80bc14a5
RDX: 00007fbb81ab1fc0 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007fbb80c11e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000
R13: 00007fbb80db6038 R14: 00007fbb80db5fa0 R15: 00007fff35b2ffe8
----------------
Code disassembly (best guess), 1 bytes skipped:
0: 00 00 add %al,(%rax)
2: 41 c7 06 01 00 00 00 movl $0x1,(%r14)
9: 43 80 3c 2c 00 cmpb $0x0,(%r12,%r13,1)
e: 74 08 je 0x18
10: 48 89 df mov %rbx,%rdi
13: e8 34 bc 08 00 call 0x8bc4c
18: 48 8b 1b mov (%rbx),%rbx
1b: 48 89 de mov %rbx,%rsi
1e: 48 83 e6 02 and $0x2,%rsi
22: 31 ff xor %edi,%edi
24: e8 13 43 a5 ff call 0xffa5433c
* 29: 48 83 e3 02 and $0x2,%rbx <-- trapping instruction
2d: 0f 85 b1 00 00 00 jne 0xe4
33: e8 24 3e a5 ff call 0xffa53e5c
38: 0f b6 5c 24 60 movzbl 0x60(%rsp),%ebx
3d: 44 rex.R
3e: 8d .byte 0x8d