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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#3: syz-executor/5785
Modules linked in:
CPU: 3 UID: 0 PID: 5785 Comm: syz-executor Tainted: G             L      syzkaller #0 PREEMPT(full) 
Tainted: [L]=SOFTLOCKUP
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
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 2a 07 74 09 48 8b 4b 08 40 0f b6 d5 4d 89 e0 48 c7 c6 c0 12 da 8c <67> 48 0f b9 3a bd ea ff ff ff e9 8e fd ff ff 49 c7 c4 60 05 da 8c
RSP: 0018:ffffc90000708a00 EFLAGS: 00010046
RAX: dffffc0000000000 RBX: ffff88802a1c40e0 RCX: ffffffff8cda4960
RDX: 0000000000000081 RSI: ffffffff8cda12c0 RDI: ffffffff9152a610
RBP: 0000000000000081 R08: ffffffff8cda05a0 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000003 R12: ffffffff8cda05a0
R13: 0000000000000000 R14: ffff88802a1c40e0 R15: ffff88805c609b18
FS:  000055555f98f500(0000) GS:ffff8880d5e53000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f0f1dd556c8 CR3: 0000000035602000 CR4: 0000000000352ef0
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+0x2039/0x3700 drivers/usb/gadget/udc/dummy_hcd.c:1951
 __run_hrtimer kernel/time/hrtimer.c:2074 [inline]
 __hrtimer_run_queues+0x462/0x9c0 kernel/time/hrtimer.c:2131
 hrtimer_run_softirq+0x1ca/0x360 kernel/time/hrtimer.c:2148
 handle_softirqs+0x1e6/0x9d0 kernel/softirq.c:645
 __do_softirq kernel/softirq.c:679 [inline]
 invoke_softirq kernel/softirq.c:519 [inline]
 __irq_exit_rcu+0x16a/0x210 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+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:is_zero_pfn include/linux/pgtable.h:2044 [inline]
RIP: 0010:__vm_normal_page mm/memory.c:808 [inline]
RIP: 0010:vm_normal_page+0x13e/0x380 mm/memory.c:829
Code: 45 31 ed 45 31 e4 e8 71 a8 a9 ff 48 c7 c0 f8 a2 65 8e 48 ba 00 00 00 00 00 fc ff df 48 c1 e8 03 80 3c 10 00 0f 85 f1 01 00 00 <4c> 8b 35 b3 28 03 0c 4c 89 e7 4c 89 f6 e8 20 a2 a9 ff 4d 39 f4 0f
RSP: 0018:ffffc90004217440 EFLAGS: 00000246
RAX: 1ffffffff1ccb45f RBX: 0008000000050382 RCX: 0000000000000002
RDX: dffffc0000000000 RSI: ffffffff82627a1f RDI: ffff8880295a0000
RBP: 1ffff92000842e88 R08: 0000000000000006 R09: 0000000000050382
R10: 000000000017ffff R11: 0000000000000001 R12: 0000000000050382
R13: 000000000140e080 R14: 00007f0f1c17b000 R15: 0008000000050382
 copy_present_ptes mm/memory.c:1220 [inline]
 copy_pte_range mm/memory.c:1402 [inline]
 copy_pmd_range mm/memory.c:1490 [inline]
 copy_pud_range mm/memory.c:1527 [inline]
 copy_p4d_range mm/memory.c:1551 [inline]
 copy_page_range+0x11b1/0x57c0 mm/memory.c:1637
 dup_mmap+0x1230/0x2370 mm/mmap.c:1819
 dup_mm kernel/fork.c:1543 [inline]
 copy_mm kernel/fork.c:1595 [inline]
 copy_process+0x4811/0x8370 kernel/fork.c:2310
 kernel_clone+0x176/0x9d0 kernel/fork.c:2769
 __do_sys_clone+0xd9/0x120 kernel/fork.c:2911
 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline]
 do_syscall_64+0x123/0x790 arch/x86/entry/syscall_64.c:84
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f0f1cfc6bd2
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:00007ffe615fd310 EFLAGS: 00000246 ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 00007ffe615fd310 RCX: 00007f0f1cfc6bd2
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011
RBP: 00007ffe615fd49c R08: 0000000000000000 R09: 0000000000000001
R10: 000055555f98f7d0 R11: 0000000000000246 R12: 0000000000000001
R13: 00000000000927c0 R14: 0000000000061f92 R15: 00007ffe615fd4f0
 </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 2a 07 74 09 	lea    0x974072a(%rip),%rdi        # 0x9740742
  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 c0 12 da 8c 	mov    $0xffffffff8cda12c0,%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 60 05 da 8c 	mov    $0xffffffff8cda0560,%r12