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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/0:3/5627
Modules linked in:
CPU: 0 UID: 0 PID: 5627 Comm: kworker/0:3 Tainted: G L syzkaller #0 PREEMPT(full)
Tainted: [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/05/2026
Workqueue: usb_hub_wq hub_event
RIP: 0010:usb_ep_enable+0x1bc/0x480 drivers/usb/gadget/udc/core.c:124
Code: aa 8d 74 fa 49 83 3f 00 48 c7 c0 20 49 d3 8c 49 c7 c0 40 49 d3 8c 4c 0f 44 c0 4c 89 f7 48 c7 c6 9c ce 6a 8e 44 89 ea 4c 89 e1 <67> 48 0f b9 3a bd ea ff ff ff 0f 1f 44 00 00 e8 90 85 04 fa 65 8b
RSP: 0018:ffffc90000007910 EFLAGS: 00010086
RAX: ffffffff8cd34920 RBX: ffff8880237100e0 RCX: ffffffff8cd36740
RDX: 0000000000000081 RSI: ffffffff8e6ace9c RDI: ffffffff90883c70
RBP: dffffc0000000000 R08: ffffffff8cd34940 R09: 0000000000000002
R10: 0000000000000003 R11: 8000000000000100 R12: ffffffff8cd36740
R13: 0000000000000081 R14: ffffffff90883c70 R15: ffff8880237100f8
FS: 0000000000000000(0000) GS:ffff888124cce000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b33621ff8 CR3: 00000000295ce000 CR4: 0000000000350ef0
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+0x2f43/0x4cf0 drivers/usb/gadget/udc/dummy_hcd.c:1951
__run_hrtimer kernel/time/hrtimer.c:2074 [inline]
__hrtimer_run_queues+0x3bc/0xa10 kernel/time/hrtimer.c:2131
hrtimer_run_softirq+0x1e3/0x2e0 kernel/time/hrtimer.c:2148
handle_softirqs+0x226/0x860 kernel/softirq.c:645
__do_softirq kernel/softirq.c:679 [inline]
invoke_softirq kernel/softirq.c:519 [inline]
__irq_exit_rcu+0xcb/0x220 kernel/softirq.c:758
irq_exit_rcu+0x9/0x30 kernel/softirq.c:775
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:resched_offsets_ok kernel/sched/core.c:9206 [inline]
RIP: 0010:__might_resched+0xe8/0x4c0 kernel/sched/core.c:9221
Code: 00 00 00 00 fc ff df 65 4c 8b 2d 03 97 fe 11 65 4c 8b 35 f3 96 fe 11 4d 8d a6 c4 04 00 00 4d 89 e7 49 c1 ef 03 41 0f b6 04 2f <84> c0 0f 85 94 02 00 00 41 8b 04 24 c1 e0 08 44 01 e8 39 d8 75 48
RSP: 0018:ffffc90003fe6ec8 EFLAGS: 00000217
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000046
RDX: 0000000000000000 RSI: ffffffff8e69d180 RDI: ffffffff8c6da780
RBP: dffffc0000000000 R08: ffffffff907a4e7f R09: 1ffffffff20f49cf
R10: dffffc0000000000 R11: fffffbfff20f49d0 R12: ffff88807cece284
R13: 8000000000000000 R14: ffff88807cecddc0 R15: 1ffff1100f9d9c50
__wait_for_common kernel/sched/completion.c:116 [inline]
wait_for_common kernel/sched/completion.c:132 [inline]
wait_for_completion_timeout+0x96/0x610 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+0x12b1/0x2180 drivers/usb/core/message.c:2209
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:706
__driver_probe_device+0x1e8/0x360 drivers/base/dd.c:868
driver_probe_device+0x4f/0x240 drivers/base/dd.c:898
__device_attach_driver+0x270/0x410 drivers/base/dd.c:1026
bus_for_each_drv+0x258/0x2f0 drivers/base/bus.c:500
__device_attach+0x2c4/0x450 drivers/base/dd.c:1098
device_initial_probe+0xa1/0xd0 drivers/base/dd.c:1153
bus_probe_device+0x12a/0x220 drivers/base/bus.c:620
device_add+0x7d7/0xb80 drivers/base/core.c:3776
usb_new_device+0x9aa/0x1690 drivers/usb/core/hub.c:2708
hub_port_connect drivers/usb/core/hub.c:5580 [inline]
hub_port_connect_change drivers/usb/core/hub.c:5720 [inline]
port_event drivers/usb/core/hub.c:5884 [inline]
hub_event+0x28e8/0x4d30 drivers/usb/core/hub.c:5966
process_one_work kernel/workqueue.c:3396 [inline]
process_scheduled_works+0xc3d/0x1630 kernel/workqueue.c:3479
worker_thread+0xa47/0xfb0 kernel/workqueue.c:3560
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: aa stos %al,%es:(%rdi)
1: 8d 74 fa 49 lea 0x49(%rdx,%rdi,8),%esi
5: 83 3f 00 cmpl $0x0,(%rdi)
8: 48 c7 c0 20 49 d3 8c mov $0xffffffff8cd34920,%rax
f: 49 c7 c0 40 49 d3 8c mov $0xffffffff8cd34940,%r8
16: 4c 0f 44 c0 cmove %rax,%r8
1a: 4c 89 f7 mov %r14,%rdi
1d: 48 c7 c6 9c ce 6a 8e mov $0xffffffff8e6ace9c,%rsi
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 90 85 04 fa call 0xfa0485ce
3e: 65 gs
3f: 8b .byte 0x8b