cm109 4-1:0.8: cm109_urb_irq_callback: urb status -71
------------[ cut here ]------------
URB ffff888030f8d600 submitted while active
WARNING: drivers/usb/core/urb.c:380 at usb_submit_urb+0x7b/0x18b0 drivers/usb/core/urb.c:380, CPU#0: syz.5.1969/13691
Modules linked in:
CPU: 0 UID: 0 PID: 13691 Comm: syz.5.1969 Tainted: G L syzkaller #0 PREEMPT(full)
Tainted: [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/13/2026
RIP: 0010:usb_submit_urb+0x7e/0x18b0 drivers/usb/core/urb.c:380
Code: 89 f0 48 c1 e8 03 42 80 3c 38 00 74 08 4c 89 f7 e8 e7 8e 09 fb 49 83 3e 00 74 40 e8 ec b7 a1 fa 48 8d 3d 65 3a fd 08 48 89 de <67> 48 0f b9 3a b8 f0 ff ff ff eb 11 e8 d1 b7 a1 fa eb 05 e8 ca b7
RSP: 0018:ffffc90000007980 EFLAGS: 00010083
RAX: ffffffff872169a4 RBX: ffff888030f8d600 RCX: 0000000000040000
RDX: ffffc90002141000 RSI: ffff888030f8d600 RDI: ffffffff901ea410
RBP: 000000000000000f R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffff52000000f30 R12: 0000000000000820
R13: ffff888032f82030 R14: ffff888030f8d608 R15: dffffc0000000000
FS: 0000000000000000(0000) GS:ffff8881252a3000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b34363fff CR3: 000000004c292000 CR4: 00000000003526f0
Call Trace:
cm109_submit_ctl drivers/input/misc/cm109.c:380 [inline]
cm109_urb_irq_callback+0x6e2/0xcb0 drivers/input/misc/cm109.c:431
__usb_hcd_giveback_urb+0x376/0x540 drivers/usb/core/hcd.c:1657
dummy_timer+0xbbd/0x45d0 drivers/usb/gadget/udc/dummy_hcd.c:1995
__run_hrtimer kernel/time/hrtimer.c:1785 [inline]
__hrtimer_run_queues+0x527/0xc30 kernel/time/hrtimer.c:1849
hrtimer_run_softirq+0x187/0x2b0 kernel/time/hrtimer.c:1866
handle_softirqs+0x22a/0x7c0 kernel/softirq.c:626
__do_softirq kernel/softirq.c:660 [inline]
invoke_softirq kernel/softirq.c:496 [inline]
__irq_exit_rcu+0x5f/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:rcu_is_watching_curr_cpu include/linux/context_tracking.h:-1 [inline]
RIP: 0010:rcu_is_watching+0x44/0xb0 kernel/rcu/tree.c:752
Code: 73 65 49 bf 00 00 00 00 00 fc ff df 4c 8d 34 dd d0 cd 09 8e 4c 89 f0 48 c1 e8 03 42 80 3c 38 00 74 08 4c 89 f7 e8 8c 0a 82 00 <48> c7 c3 58 07 19 93 49 03 1e 48 89 d8 48 c1 e8 03 42 0f b6 04 38
RSP: 0018:ffffc9000ff67490 EFLAGS: 00000246
RAX: 1ffffffff1c139ba RBX: 0000000000000000 RCX: 0000000080000001
RDX: ffffc9000ff67601 RSI: ffffffff8c094760 RDI: ffffffff8c094720
RBP: dffffc0000000000 R08: ffffc9000ff676d0 R09: 0000000000000000
R10: ffffc9000ff67698 R11: fffff52001feced5 R12: ffffc9000ff676e0
R13: ffffffff81759255 R14: ffffffff8e09cdd0 R15: dffffc0000000000
trace_lock_release include/trace/events/lock.h:69 [inline]
lock_release+0x4b/0x3a0 kernel/locking/lockdep.c:5879
rcu_lock_release include/linux/rcupdate.h:322 [inline]
rcu_read_unlock include/linux/rcupdate.h:881 [inline]
class_rcu_destructor include/linux/rcupdate.h:1193 [inline]
unwind_next_frame+0x1aaa/0x23c0 arch/x86/kernel/unwind_orc.c:695
__unwind_start+0x5b8/0x760 arch/x86/kernel/unwind_orc.c:773
unwind_start arch/x86/include/asm/unwind.h:64 [inline]
arch_stack_walk+0xe3/0x150 arch/x86/kernel/stacktrace.c:24
stack_trace_save+0xa9/0x100 kernel/stacktrace.c:122
kasan_save_stack+0x3e/0x60 mm/kasan/common.c:57
kasan_record_aux_stack+0xbd/0xd0 mm/kasan/generic.c:556
slab_free_hook mm/slub.c:2588 [inline]
slab_free mm/slub.c:6013 [inline]
kmem_cache_free+0x42f/0x5c0 mm/slub.c:6126
tear_down_vmas+0x18d/0x2c0 mm/mmap.c:1263
exit_mmap+0x4a3/0x9c0 mm/mmap.c:1321
__mmput+0x118/0x430 kernel/fork.c:1174
exit_mm+0x168/0x220 kernel/exit.c:581
do_exit+0x62e/0x2310 kernel/exit.c:959
do_group_exit+0x21b/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+0xe2/0xf80 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f3150d9acb9
Code: Unable to access opcode bytes at 0x7f3150d9ac8f.
RSP: 002b:00007ffd5c602d78 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f3150d9acb9
RDX: 0000000000000064 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007ffd5c602ddc R08: 0000000000000000 R09: 00000000000927c0
R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000033
R13: 00000000000927c0 R14: 000000000005ed2f R15: 00007ffd5c602e30
----------------
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 e7 8e 09 fb call 0xfb098efc
15: 49 83 3e 00 cmpq $0x0,(%r14)
19: 74 40 je 0x5b
1b: e8 ec b7 a1 fa call 0xfaa1b80c
20: 48 8d 3d 65 3a fd 08 lea 0x8fd3a65(%rip),%rdi # 0x8fd3a8c
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 d1 b7 a1 fa call 0xfaa1b80c
3b: eb 05 jmp 0x42
3d: e8 .byte 0xe8
3e: ca .byte 0xca
3f: b7 .byte 0xb7