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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#1: modprobe/21192
Modules linked in:
CPU: 1 UID: 0 PID: 21192 Comm: modprobe Tainted: G             L      syzkaller #0 PREEMPT(full) 
Tainted: [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
RIP: 0010:usb_ep_enable+0x1bc/0x480 drivers/usb/gadget/udc/core.c:124
Code: 3a 2d 7a fa 49 83 3f 00 48 c7 c0 40 fb b1 8c 49 c7 c0 60 fb b1 8c 4c 0f 44 c0 4c 89 f7 48 c7 c6 63 67 4e 8e 44 89 ea 4c 89 e1 <67> 48 0f b9 3a bd ea ff ff ff 0f 1f 44 00 00 e8 90 57 0b fa 65 8b
RSP: 0018:ffffc90000a18910 EFLAGS: 00010086
RAX: ffffffff8cb1fb40 RBX: ffff888020b800e0 RCX: ffffffff8cb21960
RDX: 0000000000000081 RSI: ffffffff8e4e6763 RDI: ffffffff90667830
RBP: dffffc0000000000 R08: ffffffff8cb1fb60 R09: 0000000000000002
R10: 0000000000000003 R11: 0000000000000100 R12: ffffffff8cb21960
R13: 0000000000000081 R14: ffffffff90667830 R15: ffff888020b800f8
FS:  0000000000000000(0000) GS:ffff888125018000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ff3b0416263 CR3: 00000000572e0000 CR4: 00000000003526f0
Call Trace:
 <IRQ>
 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:2065 [inline]
 __hrtimer_run_queues+0x3bc/0xa10 kernel/time/hrtimer.c:2122
 hrtimer_run_softirq+0x17a/0x240 kernel/time/hrtimer.c:2139
 handle_softirqs+0x225/0x840 kernel/softirq.c:622
 __do_softirq kernel/softirq.c:656 [inline]
 invoke_softirq kernel/softirq.c:496 [inline]
 __irq_exit_rcu+0xca/0x220 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+0xa6/0xc0 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:__sanitizer_cov_trace_const_cmp8+0x7e/0x90 kernel/kcov.c:319
Code: c1 e1 05 4c 8d 51 28 4d 39 ca 77 1e 49 ff c0 4c 89 02 48 c7 44 0a 08 07 00 00 00 48 89 7c 0a 10 48 89 74 0a 18 48 89 44 0a 20 <e9> cd 6c 15 0a cc 66 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90
RSP: 0018:ffffc90005686f18 EFLAGS: 00000293
RAX: ffffffff8bd35eb8 RBX: ffff88801c70b800 RCX: ffff8880296c8000
RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000
RBP: ffffc90005687110 R08: ffff8880296c8000 R09: 0000000000000005
R10: 0000000000000004 R11: 0000000000000000 R12: 1ffff110038e1700
R13: ffff800218233000 R14: ffff88801c70a40e R15: ffff88801c70a40e
 mte_parent_shift lib/maple_tree.c:416 [inline]
 mte_parent_slot lib/maple_tree.c:482 [inline]
 mas_validate_gaps lib/maple_tree.c:6867 [inline]
 mt_validate+0x2bf8/0x4260 lib/maple_tree.c:7092
 validate_mm+0xd4/0x4f0 mm/vma.c:683
 __split_vma+0x918/0xa60 mm/vma.c:601
 vms_gather_munmap_vmas+0x322/0x1370 mm/vma.c:1494
 __mmap_setup mm/vma.c:2529 [inline]
 __mmap_region mm/vma.c:2887 [inline]
 mmap_region+0x932/0x2460 mm/vma.c:2990
 do_mmap+0xe0a/0x1300 mm/mmap.c:573
 vm_mmap_pgoff+0x272/0x4e0 mm/util.c:581
 ksys_mmap_pgoff+0x4dc/0x760 mm/mmap.c:619
 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline]
 do_syscall_64+0x166/0x510 arch/x86/entry/syscall_64.c:84
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f3522a58242
Code: 08 00 04 00 00 eb e2 90 41 f7 c1 ff 0f 00 00 75 27 55 89 cd 53 48 89 fb 48 85 ff 74 33 41 89 ea 48 89 df b8 09 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 5e 5b 5d c3 0f 1f 00 c7 05 46 40 01 00 16 00
RSP: 002b:00007ffde7dcb278 EFLAGS: 00000206 ORIG_RAX: 0000000000000009
RAX: ffffffffffffffda RBX: 00007f3522957000 RCX: 00007f3522a58242
RDX: 0000000000000003 RSI: 0000000000006000 RDI: 00007f3522957000
RBP: 0000000000000812 R08: 0000000000000000 R09: 00000000001cc000
R10: 0000000000000812 R11: 0000000000000206 R12: 00007ffde7dcb338
R13: 00007f3522a2c5f0 R14: 00007ffde7dcbab0 R15: 00000fffbcfb9652
 </TASK>
----------------
Code disassembly (best guess), 2 bytes skipped:
   0:	7a fa                	jp     0xfffffffc
   2:	49 83 3f 00          	cmpq   $0x0,(%r15)
   6:	48 c7 c0 40 fb b1 8c 	mov    $0xffffffff8cb1fb40,%rax
   d:	49 c7 c0 60 fb b1 8c 	mov    $0xffffffff8cb1fb60,%r8
  14:	4c 0f 44 c0          	cmove  %rax,%r8
  18:	4c 89 f7             	mov    %r14,%rdi
  1b:	48 c7 c6 63 67 4e 8e 	mov    $0xffffffff8e4e6763,%rsi
  22:	44 89 ea             	mov    %r13d,%edx
  25:	4c 89 e1             	mov    %r12,%rcx
* 28:	67 48 0f b9 3a       	ud1    (%edx),%rdi <-- trapping instruction
  2d:	bd ea ff ff ff       	mov    $0xffffffea,%ebp
  32:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  37:	e8 90 57 0b fa       	call   0xfa0b57cc
  3c:	65                   	gs
  3d:	8b                   	.byte 0x8b