------------[ cut here ]------------
usb_ep_enable: ep129 (ep1in-bulk) has maxpacket 0
WARNING: drivers/usb/gadget/udc/core.c:125 at usb_ep_enable+0x148/0x480 drivers/usb/gadget/udc/core.c:124, CPU#0: kworker/0:1/11
Modules linked in:
CPU: 0 UID: 0 PID: 11 Comm: kworker/0:1 Not tainted syzkaller #0 PREEMPT(full)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/15/2026
Workqueue: usb_hub_wq hub_event
RIP: 0010:usb_ep_enable+0x1bc/0x480 drivers/usb/gadget/udc/core.c:124
Code: da b4 64 fa 49 83 3f 00 48 c7 c0 60 cb f4 8c 49 c7 c0 80 cb f4 8c 4c 0f 44 c0 4c 89 f7 48 c7 c6 41 90 94 8e 44 89 ea 4c 89 e1 <67> 48 0f b9 3a bd ea ff ff ff 0f 1f 44 00 00 e8 80 14 ed f9 65 8b
RSP: 0018:ffffc90000007910 EFLAGS: 00010086
RAX: ffffffff8cf4cb60 RBX: ffff88802b50c0e0 RCX: ffffffff8cf4ea40
RDX: 0000000000000081 RSI: ffffffff8e949041 RDI: ffffffff91cc4290
RBP: dffffc0000000000 R08: ffffffff8cf4cb80 R09: 0000000000000002
R10: 0000000000000003 R11: 0000000000000100 R12: ffffffff8cf4ea40
R13: 0000000000000081 R14: ffffffff91cc4290 R15: ffff88802b50c0f8
FS: 0000000000000000(0000) GS:ffff8881233fb000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fe26d230feb CR3: 0000000033c60000 CR4: 00000000003526f0
Call Trace:
hidg_set_alt+0x12a/0xa60 drivers/usb/gadget/function/f_hid.c:1042
set_config+0x749/0x1160 drivers/usb/gadget/composite.c:1018
composite_setup+0x1de7/0x3480 drivers/usb/gadget/composite.c:1901
configfs_composite_setup+0xc7/0x100 drivers/usb/gadget/configfs.c:1877
dummy_timer+0x2f30/0x4ce0 drivers/usb/gadget/udc/dummy_hcd.c:1983
__run_hrtimer kernel/time/hrtimer.c:2079 [inline]
__hrtimer_run_queues+0x3bc/0xa10 kernel/time/hrtimer.c:2136
hrtimer_run_softirq+0x1e3/0x2e0 kernel/time/hrtimer.c:2153
handle_softirqs+0x265/0x8d0 kernel/softirq.c:669
__do_softirq kernel/softirq.c:703 [inline]
invoke_softirq kernel/softirq.c:542 [inline]
__irq_exit_rcu+0xc6/0x220 kernel/softirq.c:786
irq_exit_rcu+0x9/0x30 kernel/softirq.c:809
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:__raw_spin_unlock_irq include/linux/spinlock_api_smp.h:220 [inline]
RIP: 0010:_raw_spin_unlock_irq+0x29/0x50 kernel/locking/spinlock.c:229
Code: 90 f3 0f 1e fa 53 48 89 fb 48 83 c7 18 48 8b 74 24 08 e8 ca 3d 99 f5 48 89 df e8 82 b5 99 f5 e8 dd 5a c6 f5 fb bf 01 00 00 00 d2 a9 8a f5 65 48 8b 05 3a 31 d7 08 48 85 c0 74 07 5b e9 7f 4a
RSP: 0018:ffffc90000106dd8 EFLAGS: 00000202
RAX: 000000000002fc6d RBX: ffff8880b823bd00 RCX: 0000000000000001
RDX: 0000000000000006 RSI: ffffffff8e6ada39 RDI: 0000000000000001
RBP: 1ffff11003e563eb R08: ffffffff91be31bf R09: 1ffffffff237c637
R10: dffffc0000000000 R11: fffffbfff237c638 R12: ffff88801f2b1f6c
R13: dffffc0000000000 R14: ffffffff8c0992e0 R15: ffff88801f2b1f58
sched_submit_work kernel/sched/core.c:7425 [inline]
schedule+0xea/0x2b0 kernel/sched/core.c:7473
schedule_timeout+0x152/0x2c0 kernel/time/sleep_timeout.c:99
do_wait_for_common kernel/sched/completion.c:100 [inline]
__wait_for_common kernel/sched/completion.c:121 [inline]
wait_for_common kernel/sched/completion.c:132 [inline]
wait_for_completion_timeout+0x2ca/0x610 kernel/sched/completion.c:172
usb_start_wait_urb+0x1e9/0x5b0 drivers/usb/core/message.c:72
usb_internal_control_msg drivers/usb/core/message.c:117 [inline]
usb_control_msg+0x234/0x3e0 drivers/usb/core/message.c:167
usb_control_msg_send drivers/usb/core/message.c:226 [inline]
usb_set_configuration+0x12c5/0x2260 drivers/usb/core/message.c:2221
usb_generic_driver_probe+0x8d/0x150 drivers/usb/core/generic.c:250
usb_probe_device+0x1c3/0x3b0 drivers/usb/core/driver.c:293
call_driver_probe drivers/base/dd.c:-1 [inline]
really_probe+0x254/0xae0 drivers/base/dd.c:707
__driver_probe_device+0x1e8/0x360 drivers/base/dd.c:869
driver_probe_device+0x4f/0x240 drivers/base/dd.c:899
__device_attach_driver+0x270/0x410 drivers/base/dd.c:1027
bus_for_each_drv+0x258/0x2f0 drivers/base/bus.c:500
__device_attach+0x2bd/0x430 drivers/base/dd.c:1131
device_initial_probe+0x9c/0x100 drivers/base/dd.c:1190
__bus_probe_device+0x126/0x220 drivers/base/bus.c:614
device_add+0x7d7/0xb80 drivers/base/core.c:3778
usb_new_device+0x9aa/0x1690 drivers/usb/core/hub.c:2713
hub_port_connect drivers/usb/core/hub.c:5585 [inline]
hub_port_connect_change drivers/usb/core/hub.c:5725 [inline]
port_event drivers/usb/core/hub.c:5889 [inline]
hub_event+0x28e8/0x4d30 drivers/usb/core/hub.c:5971
process_one_work kernel/workqueue.c:3505 [inline]
process_scheduled_works+0xc3d/0x1630 kernel/workqueue.c:3588
worker_thread+0xa47/0xfb0 kernel/workqueue.c:3669
kthread+0x38b/0x480 kernel/kthread.c:436
ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
----------------
Code disassembly (best guess):
0: da b4 64 fa 49 83 3f fidivl 0x3f8349fa(%rsp,%riz,2)
7: 00 48 c7 add %cl,-0x39(%rax)
a: c0 60 cb f4 shlb $0xf4,-0x35(%rax)
e: 8c 49 c7 mov %cs,-0x39(%rcx)
11: c0 80 cb f4 8c 4c 0f rolb $0xf,0x4c8cf4cb(%rax)
18: 44 c0 4c 89 f7 48 rex.R rorb $0x48,-0x9(%rcx,%rcx,4)
1e: c7 c6 41 90 94 8e mov $0x8e949041,%esi
24: 44 89 ea mov %r13d,%edx
27: 4c 89 e1 mov %r12,%rcx
* 2a: 67 48 0f b9 3a ud1 (%edx),%rdi <-- trapping instruction
2f: bd ea ff ff ff mov $0xffffffea,%ebp
34: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1)
39: e8 80 14 ed f9 call 0xf9ed14be
3e: 65 gs
3f: 8b .byte 0x8b