Oops: general protection fault, probably for non-canonical address 0xdffffc0000000040: 0000 [#1] PREEMPT SMP KASAN PTI
KASAN: null-ptr-deref in range [0x0000000000000200-0x0000000000000207]
CPU: 1 UID: 0 PID: 5040 Comm: kworker/1:5 Not tainted 6.12.0-rc3-syzkaller-00029-g64f3b5a6bc49 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Workqueue: usb_hub_wq hub_event
RIP: 0010:strcmp+0x5b/0xb0 lib/string.c:266
Code: fa 48 c1 e8 03 83 e2 07 42 0f b6 04 28 38 d0 7f 04 84 c0 75 58 0f b6 6b ff 4c 8d 66 01 48 89 f0 48 89 f2 48 c1 e8 03 83 e2 07 <42> 0f b6 04 28 38 d0 7f 04 84 c0 75 2c 41 3a 6c 24 ff 74 ae 19 c0
RSP: 0018:ffffc900001b8858 EFLAGS: 00010046
RAX: 0000000000000040 RBX: ffffffff8746f8c1 RCX: ffffffff8fb0f7f0
RDX: 0000000000000000 RSI: 0000000000000200 RDI: ffffffff8746f8c0
RBP: 0000000000000066 R08: 0000000000000001 R09: dffffc0000000000
R10: ffffffff8fb0f800 R11: ffffffff8fb0f7f0 R12: 0000000000000201
R13: dffffc0000000000 R14: 0000000000000c29 R15: ffffffff934a9980
FS:  0000000000000000(0000) GS:ffff8881f5900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fdc09242000 CR3: 000000012a95e000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 count_matching_names kernel/locking/lockdep.c:875 [inline]
 register_lock_class+0x63b/0x1240 kernel/locking/lockdep.c:1340
 __lock_acquire+0x135/0x3ce0 kernel/locking/lockdep.c:5077
 lock_acquire.part.0+0x11b/0x380 kernel/locking/lockdep.c:5825
 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
 _raw_spin_lock_irqsave+0x3a/0x60 kernel/locking/spinlock.c:162
 complete_with_flags kernel/sched/completion.c:20 [inline]
 complete+0x1d/0x200 kernel/sched/completion.c:47
 transfer drivers/usb/gadget/udc/dummy_hcd.c:1518 [inline]
 dummy_timer+0x1aaf/0x38d0 drivers/usb/gadget/udc/dummy_hcd.c:1972
 __run_hrtimer kernel/time/hrtimer.c:1691 [inline]
 __hrtimer_run_queues+0x20a/0xae0 kernel/time/hrtimer.c:1755
 hrtimer_run_softirq+0x17d/0x350 kernel/time/hrtimer.c:1772
 handle_softirqs+0x206/0x8d0 kernel/softirq.c:554
 __do_softirq kernel/softirq.c:588 [inline]
 invoke_softirq kernel/softirq.c:428 [inline]
 __irq_exit_rcu kernel/softirq.c:637 [inline]
 irq_exit_rcu+0xac/0x110 kernel/softirq.c:649
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1037 [inline]
 sysvec_apic_timer_interrupt+0x90/0xb0 arch/x86/kernel/apic/apic.c:1037
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:put_cpu_partial+0x12c/0x220 mm/slub.c:3219
Code: 28 75 75 48 c7 43 28 00 00 00 00 48 89 df 48 8d 35 00 00 00 00 e8 64 84 8c ff 4d 85 e4 75 4a 9c 58 f6 c4 02 0f 85 b4 00 00 00 <4d> 85 ed 74 21 5b 4c 89 ee 48 89 ef 5d 41 5c 41 5d 41 5e 41 5f e9
RSP: 0018:ffffc90002b9f058 EFLAGS: 00000246
RAX: 0000000000000002 RBX: ffff8881f5941270 RCX: 1ffffffff1f580ef
RDX: 0000000000000000 RSI: ffffffff8727f1c0 RDI: ffffffff8746ea80
RBP: ffff888100041a00 R08: 0000000000000001 R09: fffffbfff1f55db9
R10: ffffffff8faaedcf R11: 0000000000000000 R12: 0000000000000200
R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000007
 qlink_free mm/kasan/quarantine.c:163 [inline]
 qlist_free_all+0x4e/0x120 mm/kasan/quarantine.c:179
 kasan_quarantine_reduce+0x192/0x1e0 mm/kasan/quarantine.c:286
 __kasan_slab_alloc+0x4e/0x70 mm/kasan/common.c:329
 kasan_slab_alloc include/linux/kasan.h:247 [inline]
 slab_post_alloc_hook mm/slub.c:4085 [inline]
 slab_alloc_node mm/slub.c:4134 [inline]
 kmem_cache_alloc_noprof+0x11c/0x2b0 mm/slub.c:4141
 __kernfs_new_node+0xd3/0x890 fs/kernfs/dir.c:624
 kernfs_new_node+0x186/0x240 fs/kernfs/dir.c:700
 __kernfs_create_file+0x53/0x350 fs/kernfs/file.c:1034
 sysfs_add_file_mode_ns+0x1ff/0x3b0 fs/sysfs/file.c:307
 sysfs_merge_group+0x1b1/0x340 fs/sysfs/group.c:373
 wakeup_sysfs_add+0x1d/0x60 drivers/base/power/sysfs.c:779
 device_set_wakeup_capable+0x14a/0x1c0 drivers/base/power/wakeup.c:486
 usb_set_device_state+0x13f/0x410 drivers/usb/core/hub.c:2184
 usb_set_configuration+0xf03/0x1c50 drivers/usb/core/message.c:2178
 usb_generic_driver_probe+0xb1/0x110 drivers/usb/core/generic.c:254
 usb_probe_device+0xec/0x3e0 drivers/usb/core/driver.c:294
 call_driver_probe drivers/base/dd.c:579 [inline]
 really_probe+0x23e/0xa90 drivers/base/dd.c:658
 __driver_probe_device+0x1de/0x440 drivers/base/dd.c:800
 driver_probe_device+0x4c/0x1b0 drivers/base/dd.c:830
 __device_attach_driver+0x1df/0x310 drivers/base/dd.c:958
 bus_for_each_drv+0x157/0x1e0 drivers/base/bus.c:459
 __device_attach+0x1e8/0x4b0 drivers/base/dd.c:1030
 bus_probe_device+0x17f/0x1c0 drivers/base/bus.c:534
 device_add+0x114b/0x1a70 drivers/base/core.c:3675
 usb_new_device+0xd90/0x1a10 drivers/usb/core/hub.c:2651
 hub_port_connect drivers/usb/core/hub.c:5521 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5661 [inline]
 port_event drivers/usb/core/hub.c:5821 [inline]
 hub_event+0x2e58/0x4f40 drivers/usb/core/hub.c:5903
 process_one_work+0x9c5/0x1ba0 kernel/workqueue.c:3229
 process_scheduled_works kernel/workqueue.c:3310 [inline]
 worker_thread+0x6c8/0xf00 kernel/workqueue.c:3391
 kthread+0x2c1/0x3a0 kernel/kthread.c:389
 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:strcmp+0x5b/0xb0 lib/string.c:266
Code: fa 48 c1 e8 03 83 e2 07 42 0f b6 04 28 38 d0 7f 04 84 c0 75 58 0f b6 6b ff 4c 8d 66 01 48 89 f0 48 89 f2 48 c1 e8 03 83 e2 07 <42> 0f b6 04 28 38 d0 7f 04 84 c0 75 2c 41 3a 6c 24 ff 74 ae 19 c0
RSP: 0018:ffffc900001b8858 EFLAGS: 00010046
RAX: 0000000000000040 RBX: ffffffff8746f8c1 RCX: ffffffff8fb0f7f0
RDX: 0000000000000000 RSI: 0000000000000200 RDI: ffffffff8746f8c0
RBP: 0000000000000066 R08: 0000000000000001 R09: dffffc0000000000
R10: ffffffff8fb0f800 R11: ffffffff8fb0f7f0 R12: 0000000000000201
R13: dffffc0000000000 R14: 0000000000000c29 R15: ffffffff934a9980
FS:  0000000000000000(0000) GS:ffff8881f5900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fdc09242000 CR3: 000000012a95e000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
   0:	fa                   	cli
   1:	48 c1 e8 03          	shr    $0x3,%rax
   5:	83 e2 07             	and    $0x7,%edx
   8:	42 0f b6 04 28       	movzbl (%rax,%r13,1),%eax
   d:	38 d0                	cmp    %dl,%al
   f:	7f 04                	jg     0x15
  11:	84 c0                	test   %al,%al
  13:	75 58                	jne    0x6d
  15:	0f b6 6b ff          	movzbl -0x1(%rbx),%ebp
  19:	4c 8d 66 01          	lea    0x1(%rsi),%r12
  1d:	48 89 f0             	mov    %rsi,%rax
  20:	48 89 f2             	mov    %rsi,%rdx
  23:	48 c1 e8 03          	shr    $0x3,%rax
  27:	83 e2 07             	and    $0x7,%edx
* 2a:	42 0f b6 04 28       	movzbl (%rax,%r13,1),%eax <-- trapping instruction
  2f:	38 d0                	cmp    %dl,%al
  31:	7f 04                	jg     0x37
  33:	84 c0                	test   %al,%al
  35:	75 2c                	jne    0x63
  37:	41 3a 6c 24 ff       	cmp    -0x1(%r12),%bpl
  3c:	74 ae                	je     0xffffffec
  3e:	19 c0                	sbb    %eax,%eax