cm109 4-1:0.8: cm109_urb_irq_callback: urb status -71
------------[ cut here ]------------
URB ffff88806d316000 submitted while active
WARNING: drivers/usb/core/urb.c:379 at usb_submit_urb+0x7b/0x18b0 drivers/usb/core/urb.c:379, CPU#0: syz.3.21928/24668
Modules linked in:
CPU: 0 UID: 0 PID: 24668 Comm: syz.3.21928 Tainted: G L syzkaller #0 PREEMPT(full)
Tainted: [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
RIP: 0010:usb_submit_urb+0x7e/0x18b0 drivers/usb/core/urb.c:379
Code: 89 f0 48 c1 e8 03 42 80 3c 38 00 74 08 4c 89 f7 e8 47 4e f8 fa 49 83 3e 00 74 40 e8 4c ff 8d fa 48 8d 3d 15 55 e7 08 48 89 de <67> 48 0f b9 3a b8 f0 ff ff ff eb 11 e8 31 ff 8d fa eb 05 e8 2a ff
RSP: 0018:ffffc90000007960 EFLAGS: 00010083
RAX: ffffffff8737c084 RBX: ffff88806d316000 RCX: 0000000000040000
RDX: ffffc90002171000 RSI: ffff88806d316000 RDI: ffffffff901f15a0
RBP: 000000000000000f R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffff52000000f2c R12: 0000000000000820
R13: ffff8880364e2030 R14: ffff88806d316008 R15: dffffc0000000000
FS: 0000000000000000(0000) GS:ffff888125454000(0063) knlGS:0000000056d74480
CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 0000000030b18ff8 CR3: 000000008c7e0000 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/0x4650 drivers/usb/gadget/udc/dummy_hcd.c:2005
__run_hrtimer kernel/time/hrtimer.c:1785 [inline]
__hrtimer_run_queues+0x53a/0xcc0 kernel/time/hrtimer.c:1849
hrtimer_run_softirq+0x182/0x5a0 kernel/time/hrtimer.c:1866
handle_softirqs+0x22a/0x870 kernel/softirq.c:622
__do_softirq kernel/softirq.c:656 [inline]
invoke_softirq kernel/softirq.c:496 [inline]
__irq_exit_rcu+0x5f/0x150 kernel/softirq.c:723
irq_exit_rcu+0x9/0x30 kernel/softirq.c:739
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:lock_acquire+0x20b/0x2e0 kernel/locking/lockdep.c:5872
Code: e9 30 ff ff ff e8 85 19 0e 0a f7 c3 00 02 00 00 0f 84 38 ff ff ff 65 48 8b 05 01 27 7b 11 48 3b 44 24 30 75 33 fb 48 83 c4 38 <5b> 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc cc 48 8d 3d 2e 91 73
RSP: 0018:ffffc90003f27ab0 EFLAGS: 00000292
RAX: 1feb5166491da000 RBX: 0000000000000246 RCX: 0000000000000046
RDX: 000000008bf0a800 RSI: ffffffff8e16c434 RDI: ffffffff8c27d500
RBP: 0000000000000000 R08: ffffffff822440f0 R09: ffffffff8e883760
R10: dffffc0000000000 R11: ffffffff85ff45f0 R12: 0000000000000000
R13: ffffffff8e883760 R14: 0000000000000000 R15: 0000000000000001
__fs_reclaim_acquire mm/page_alloc.c:4348 [inline]
fs_reclaim_acquire+0x71/0x100 mm/page_alloc.c:4362
might_alloc include/linux/sched/mm.h:317 [inline]
slab_pre_alloc_hook mm/slub.c:4489 [inline]
slab_alloc_node mm/slub.c:4843 [inline]
__kmalloc_cache_noprof+0x40/0x660 mm/slub.c:5375
kmalloc_noprof include/linux/slab.h:950 [inline]
kzalloc_noprof include/linux/slab.h:1188 [inline]
kobject_uevent_env+0x28c/0x9e0 lib/kobject_uevent.c:540
device_remove drivers/base/dd.c:631 [inline]
__device_release_driver drivers/base/dd.c:1344 [inline]
device_release_driver_internal+0x46f/0x870 drivers/base/dd.c:1367
driver_detach+0x1f3/0x2d0 drivers/base/dd.c:1430
bus_remove_driver+0x226/0x320 drivers/base/bus.c:825
usb_gadget_unregister_driver+0x4e/0x70 drivers/usb/gadget/udc/core.c:1751
raw_release+0xd7/0x260 drivers/usb/gadget/legacy/raw_gadget.c:463
__fput+0x44f/0xa70 fs/file_table.c:469
task_work_run+0x1d9/0x270 kernel/task_work.c:233
resume_user_mode_work include/linux/resume_user_mode.h:50 [inline]
__exit_to_user_mode_loop kernel/entry/common.c:67 [inline]
exit_to_user_mode_loop+0xed/0x480 kernel/entry/common.c:98
__exit_to_user_mode_prepare include/linux/irq-entry-common.h:226 [inline]
syscall_exit_to_user_mode_prepare include/linux/irq-entry-common.h:256 [inline]
syscall_exit_to_user_mode include/linux/entry-common.h:325 [inline]
__do_fast_syscall_32+0x415/0x640 arch/x86/entry/syscall_32.c:310
do_fast_syscall_32+0x33/0x70 arch/x86/entry/syscall_32.c:332
entry_SYSENTER_compat_after_hwframe+0x84/0x8e
RIP: 0023:0xf702ef6c
Code: 90 85 d2 74 0a 89 ce 81 e6 ff 0f 00 00 89 32 85 c0 74 05 c1 e9 0c 89 08 31 c0 5e 5d c3 90 0f 1f 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 58 b8
RSP: 002b:00000000f754fb1c EFLAGS: 00000206 ORIG_RAX: 00000000000001b4
RAX: 0000000000000000 RBX: 0000000000000003 RCX: 000000000000001e
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
----------------
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 47 4e f8 fa call 0xfaf84e5c
15: 49 83 3e 00 cmpq $0x0,(%r14)
19: 74 40 je 0x5b
1b: e8 4c ff 8d fa call 0xfa8dff6c
20: 48 8d 3d 15 55 e7 08 lea 0x8e75515(%rip),%rdi # 0x8e7553c
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 31 ff 8d fa call 0xfa8dff6c
3b: eb 05 jmp 0x42
3d: e8 .byte 0xe8
3e: 2a ff sub %bh,%bh