------------[ cut here ]------------
usb_ep_enable: ep129 (ep1in-bulk) has maxpacket 0
WARNING: CPU: 1 PID: 6195 at drivers/usb/gadget/udc/core.c:125 usb_ep_enable+0x263/0x440 drivers/usb/gadget/udc/core.c:124
Modules linked in:
CPU: 1 PID: 6195 Comm: dhcpcd Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026
RIP: 0010:usb_ep_enable+0x263/0x440 drivers/usb/gadget/udc/core.c:124
Code: 49 8b 0e 48 c7 c0 20 45 7a 8b 49 c7 c0 40 45 7a 8b 4c 0f 44 c0 48 c7 c7 e0 44 7a 8b 48 c7 c6 c8 0b a7 8c 89 ea e8 7d 05 9a fa <0f> 0b e9 e1 fe ff ff e8 51 57 d0 fa 49 bc 00 00 00 00 00 fc ff df
RSP: 0018:ffffc900001f0790 EFLAGS: 00010046
RAX: 0d61c8e631b3ea00 RBX: ffff888025f080e0 RCX: ffff888020af9e00
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000002
RBP: 0000000000000081 R08: ffff8880b8d28c53 R09: 1ffff110171a518a
R10: dffffc0000000000 R11: ffffed10171a518b R12: dffffc0000000000
R13: ffff888025f0810d R14: ffff888025f080e8 R15: ffff8880235ca13a
FS:  0000000000000000(0000) GS:ffff8880b8d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000000340 CR3: 000000005b25d000 CR4: 00000000003506e0
Call Trace:
 <IRQ>
 hidg_set_alt+0x12a/0xa10 drivers/usb/gadget/function/f_hid.c:827
 set_config+0x735/0xff0 drivers/usb/gadget/composite.c:1018
 composite_setup+0x1df4/0x33a0 drivers/usb/gadget/composite.c:1925
 configfs_composite_setup+0xc7/0x100 drivers/usb/gadget/configfs.c:1875
 dummy_timer+0x130c/0x35d0 drivers/usb/gadget/udc/dummy_hcd.c:1953
 __run_hrtimer kernel/time/hrtimer.c:1754 [inline]
 __hrtimer_run_queues+0x525/0xc10 kernel/time/hrtimer.c:1818
 hrtimer_run_softirq+0x177/0x290 kernel/time/hrtimer.c:1835
 handle_softirqs+0x27d/0x820 kernel/softirq.c:578
 __do_softirq kernel/softirq.c:612 [inline]
 invoke_softirq kernel/softirq.c:452 [inline]
 __irq_exit_rcu+0xd3/0x190 kernel/softirq.c:661
 irq_exit_rcu+0x9/0x20 kernel/softirq.c:673
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1088 [inline]
 sysvec_apic_timer_interrupt+0xa4/0xc0 arch/x86/kernel/apic/apic.c:1088
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:687
RIP: 0010:lock_acquire+0x208/0x420 kernel/locking/lockdep.c:5794
Code: f7 84 24 80 00 00 00 00 02 00 00 43 c6 44 3c 04 f8 0f 85 f0 00 00 00 41 f7 c6 00 02 00 00 74 01 fb 48 c7 44 24 60 0e 36 e0 45 <4b> c7 04 3c 00 00 00 00 43 c7 44 3c 08 00 00 00 00 65 48 8b 04 25
RSP: 0018:ffffc9000bacf560 EFLAGS: 00000206
RAX: 0000000000000001 RBX: 0000000000000000 RCX: 0d61c8e631b3ea00
RDX: 0000000000000000 RSI: ffffffff8acae2c0 RDI: ffffffff8b1c5060
RBP: ffffc9000bacf680 R08: dffffc0000000000 R09: 1ffffffff23fcaa0
R10: dffffc0000000000 R11: fffffbfff23fcaa1 R12: 1ffff92001759eb8
R13: ffffffff8df322e0 R14: 0000000000000246 R15: dffffc0000000000
 rcu_lock_acquire include/linux/rcupdate.h:334 [inline]
 rcu_read_lock include/linux/rcupdate.h:786 [inline]
 __mod_lruvec_page_state+0xc2/0x410 mm/memcontrol.c:889
 __lruvec_stat_mod_folio include/linux/vmstat.h:615 [inline]
 page_remove_rmap+0x503/0xc50 mm/rmap.c:1450
 zap_pte_range mm/memory.c:1454 [inline]
 zap_pmd_range mm/memory.c:1571 [inline]
 zap_pud_range mm/memory.c:1600 [inline]
 zap_p4d_range mm/memory.c:1621 [inline]
 unmap_page_range+0x15f8/0x32f0 mm/memory.c:1642
 unmap_vmas+0x286/0x3f0 mm/memory.c:1732
 exit_mmap+0x238/0xb90 mm/mmap.c:3310
 __mmput+0x118/0x3a0 kernel/fork.c:1362
 exit_mm+0x23f/0x340 kernel/exit.c:576
 do_exit+0x909/0x2530 kernel/exit.c:877
 do_group_exit+0x22d/0x2f0 kernel/exit.c:1032
 __do_sys_exit_group kernel/exit.c:1043 [inline]
 __se_sys_exit_group kernel/exit.c:1041 [inline]
 __x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1041
 do_syscall_x64 arch/x86/entry/common.c:46 [inline]
 do_syscall_64+0x55/0xb0 arch/x86/entry/common.c:76
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7fe2fb3076c5
Code: Unable to access opcode bytes at 0x7fe2fb30769b.
RSP: 002b:00007ffc8206a458 EFLAGS: 00000206 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fe2fb3076c5
RDX: 00000000000000e7 RSI: ffffffffffffff88 RDI: 0000000000000001
RBP: 00007ffc8206aa68 R08: 000056404bf7c2c0 R09: 0000000000000002
R10: 00000000000000e0 R11: 0000000000000206 R12: 00007ffc8206a4a0
R13: 000056404bf7d8f0 R14: 00007ffc8206a6e0 R15: 00007ffc8206a490
 </TASK>
----------------
Code disassembly (best guess):
   0:	f7 84 24 80 00 00 00 	testl  $0x200,0x80(%rsp)
   7:	00 02 00 00
   b:	43 c6 44 3c 04 f8    	movb   $0xf8,0x4(%r12,%r15,1)
  11:	0f 85 f0 00 00 00    	jne    0x107
  17:	41 f7 c6 00 02 00 00 	test   $0x200,%r14d
  1e:	74 01                	je     0x21
  20:	fb                   	sti
  21:	48 c7 44 24 60 0e 36 	movq   $0x45e0360e,0x60(%rsp)
  28:	e0 45
* 2a:	4b c7 04 3c 00 00 00 	movq   $0x0,(%r12,%r15,1) <-- trapping instruction
  31:	00
  32:	43 c7 44 3c 08 00 00 	movl   $0x0,0x8(%r12,%r15,1)
  39:	00 00
  3b:	65                   	gs
  3c:	48                   	rex.W
  3d:	8b                   	.byte 0x8b
  3e:	04 25                	add    $0x25,%al