------------[ cut here ]------------
usb_ep_enable: ep129 (ep1in-bulk) has maxpacket 0
WARNING: drivers/usb/gadget/udc/core.c:124 at usb_ep_enable+0x3e6/0x490 drivers/usb/gadget/udc/core.c:124, CPU#0: syz-executor/18861
Modules linked in:
CPU: 0 UID: 0 PID: 18861 Comm: syz-executor Tainted: G             L      syzkaller #0 PREEMPT(full) 
Tainted: [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026
RIP: 0010:usb_ep_enable+0x3f8/0x490 drivers/usb/gadget/udc/core.c:124
Code: 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 93 00 00 00 48 8d 3d ca da 61 09 48 8b 4b 08 40 0f b6 d5 4d 89 e0 48 c7 c6 80 a1 b7 8c <67> 48 0f b9 3a bd ea ff ff ff e9 8e fd ff ff 49 c7 c4 20 94 b7 8c
RSP: 0018:ffffc90000007a10 EFLAGS: 00010046
RAX: dffffc0000000000 RBX: ffff8880288300e0 RCX: ffffffff8cb7d820
RDX: 0000000000000081 RSI: ffffffff8cb7a180 RDI: ffffffff91306aa0
RBP: 0000000000000081 R08: ffffffff8cb79460 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff8cb79460
R13: 0000000000000000 R14: ffff8880288300e0 R15: ffff8880327c72a0
FS:  000055558fdcc500(0000) GS:ffff888123dda000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f3de7eff1d4 CR3: 000000004e8e5000 CR4: 0000000000350ef0
Call Trace:
 <IRQ>
 hidg_set_alt+0x190/0xa10 drivers/usb/gadget/function/f_hid.c:1042
 set_config drivers/usb/gadget/composite.c:1018 [inline]
 composite_setup+0x2ccf/0x9290 drivers/usb/gadget/composite.c:1901
 configfs_composite_setup+0xfb/0x130 drivers/usb/gadget/configfs.c:1877
 dummy_timer+0x2045/0x36f0 drivers/usb/gadget/udc/dummy_hcd.c:1951
 __run_hrtimer kernel/time/hrtimer.c:2032 [inline]
 __hrtimer_run_queues+0x462/0x9c0 kernel/time/hrtimer.c:2096
 hrtimer_run_softirq+0x17d/0x2c0 kernel/time/hrtimer.c:2113
 handle_softirqs+0x1ea/0x9b0 kernel/softirq.c:622
 __do_softirq kernel/softirq.c:656 [inline]
 invoke_softirq kernel/softirq.c:496 [inline]
 __irq_exit_rcu+0x162/0x210 kernel/softirq.c:735
 irq_exit_rcu+0x9/0x30 kernel/softirq.c:752
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1062 [inline]
 sysvec_apic_timer_interrupt+0xa3/0xc0 arch/x86/kernel/apic/apic.c:1062
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:674
RIP: 0010:vm_normal_page+0x20b/0x390 mm/memory.c:772
Code: 04 04 00 00 00 00 48 8b 44 24 60 65 48 2b 05 44 ac 06 12 0f 85 2e 01 00 00 48 83 c4 68 4c 89 e8 5b 5d 41 5c 41 5d 41 5e 41 5f <e9> 2b 8d b2 fe e8 db 9c ac ff 90 0f 0b 90 eb 8a e8 d0 9c ac ff 49
RSP: 0018:ffffc90004107540 EFLAGS: 00000292
RAX: ffffea0001340180 RBX: 800000004d006007 RCX: ffffffff825db370
RDX: ffff88801c3d9f00 RSI: ffffffff825db3a5 RDI: ffff88801c3d9f00
RBP: 0000000000000001 R08: 0000000000000006 R09: 0000000000033a00
R10: 000000000004d000 R11: 0000000000000000 R12: 0000000000000008
R13: 000000000000bdf7 R14: ffff8880724fd008 R15: 00007fd423600000
 copy_present_ptes mm/memory.c:1138 [inline]
 copy_pte_range mm/memory.c:1320 [inline]
 copy_pmd_range mm/memory.c:1408 [inline]
 copy_pud_range mm/memory.c:1445 [inline]
 copy_p4d_range mm/memory.c:1469 [inline]
 copy_page_range+0x1193/0x5b20 mm/memory.c:1555
 dup_mmap+0xd44/0x21b0 mm/mmap.c:1840
 dup_mm kernel/fork.c:1543 [inline]
 copy_mm kernel/fork.c:1595 [inline]
 copy_process+0x4588/0x8030 kernel/fork.c:2289
 kernel_clone+0x176/0x9d0 kernel/fork.c:2748
 __do_sys_clone+0xd9/0x120 kernel/fork.c:2889
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x115/0x870 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fd4241c6a92
Code: 89 e7 e8 71 8b f7 ff 45 31 c0 31 d2 31 f6 64 48 8b 04 25 10 00 00 00 bf 11 00 20 01 4c 8d 90 d0 02 00 00 b8 38 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 66 89 c5 85 c0 75 3b 64 48 8b 04 25 10 00 00
RSP: 002b:00007ffc7e4b1540 EFLAGS: 00000246 ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 00007ffc7e4b1540 RCX: 00007fd4241c6a92
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011
RBP: 00007ffc7e4b16cc R08: 0000000000000000 R09: 0000000000000001
R10: 000055558fdcc7d0 R11: 0000000000000246 R12: 0000000000000001
R13: 00000000000927c0 R14: 0000000000181e69 R15: 00007ffc7e4b1720
 </TASK>
----------------
Code disassembly (best guess):
   0:	48 89 fa             	mov    %rdi,%rdx
   3:	48 c1 ea 03          	shr    $0x3,%rdx
   7:	80 3c 02 00          	cmpb   $0x0,(%rdx,%rax,1)
   b:	0f 85 93 00 00 00    	jne    0xa4
  11:	48 8d 3d ca da 61 09 	lea    0x961daca(%rip),%rdi        # 0x961dae2
  18:	48 8b 4b 08          	mov    0x8(%rbx),%rcx
  1c:	40 0f b6 d5          	movzbl %bpl,%edx
  20:	4d 89 e0             	mov    %r12,%r8
  23:	48 c7 c6 80 a1 b7 8c 	mov    $0xffffffff8cb7a180,%rsi
* 2a:	67 48 0f b9 3a       	ud1    (%edx),%rdi <-- trapping instruction
  2f:	bd ea ff ff ff       	mov    $0xffffffea,%ebp
  34:	e9 8e fd ff ff       	jmp    0xfffffdc7
  39:	49 c7 c4 20 94 b7 8c 	mov    $0xffffffff8cb79420,%r12