general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007]
CPU: 0 PID: 6271 Comm: kworker/u4:9 Not tainted 6.2.0-rc3-syzkaller-00165-gd9fc1511728c #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
Workqueue: bat_events batadv_nc_worker
RIP: 0010:pn533_out_complete.cold+0x15/0x44 drivers/nfc/pn533/usb.c:441
Code: df e8 ee 50 f7 f7 e9 39 ff ff ff 48 89 df e8 e1 50 f7 f7 eb e0 e8 1a 4e a9 f7 4c 89 ea b8 ff ff 37 00 48 c1 ea 03 48 c1 e0 2a <80> 3c 02 00 75 1f 49 8b 7d 00 44 89 e2 48 c7 c6 00 83 d0 8a 48 81
RSP: 0018:ffffc90000007a58 EFLAGS: 00010086
RAX: dffffc0000000000 RBX: ffff888076a9d400 RCX: ffffc90002121000
RDX: 0000000000000000 RSI: ffffffff89d80476 RDI: 0000000000000005
RBP: ffffc90015ad6e70 R08: 0000000000000005 R09: 0000000000000000
R10: ffffffffffffffb9 R11: 0000000000000001 R12: ffffffffffffffb9
R13: 0000000000000000 R14: 0100000000000002 R15: 00000000ffffffb9
FS:  0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020163000 CR3: 000000002975e000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 000000000000000a DR6: 00000000ffff0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 __usb_hcd_giveback_urb+0x2b6/0x5c0 drivers/usb/core/hcd.c:1671
 usb_hcd_giveback_urb+0x384/0x430 drivers/usb/core/hcd.c:1754
 dummy_timer+0x1203/0x32d0 drivers/usb/gadget/udc/dummy_hcd.c:1988
 call_timer_fn+0x1da/0x7c0 kernel/time/timer.c:1700
 expire_timers+0x2c6/0x5c0 kernel/time/timer.c:1751
 __run_timers kernel/time/timer.c:2022 [inline]
 __run_timers kernel/time/timer.c:1995 [inline]
 run_timer_softirq+0x326/0x910 kernel/time/timer.c:2035
 __do_softirq+0x1fb/0xadc kernel/softirq.c:571
 invoke_softirq kernel/softirq.c:445 [inline]
 __irq_exit_rcu+0x123/0x180 kernel/softirq.c:650
 irq_exit_rcu+0x9/0x20 kernel/softirq.c:662
 sysvec_apic_timer_interrupt+0x97/0xc0 arch/x86/kernel/apic/apic.c:1107
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:649
RIP: 0010:check_preemption_disabled+0xa/0x170 lib/smp_processor_id.c:13
Code: 1f 44 00 00 0f 0b 0f 1f 44 00 00 5b e9 6f fb ff ff 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 41 56 41 55 49 89 f5 41 54 55 <48> 89 fd 53 0f 1f 44 00 00 65 44 8b 25 31 70 fd 75 65 8b 1d 26 70
RSP: 0018:ffffc900030bfb70 EFLAGS: 00000282
RAX: 0000000000000001 RBX: 0000000000000003 RCX: ffffffff8163f049
RDX: dffffc0000000000 RSI: ffffffff8aa6b900 RDI: ffffffff8aa6b940
RBP: 1ffff92000617f7a R08: 0000000000000000 R09: ffffffff8e72f857
R10: fffffbfff1ce5f0a R11: 0000000000000000 R12: 0000000000000001
R13: ffffffff8aa6b900 R14: 0000000000000000 R15: 0000000000000005
 rcu_dynticks_curr_cpu_in_eqs include/linux/context_tracking.h:121 [inline]
 rcu_is_watching+0x12/0xb0 kernel/rcu/tree.c:713
 rcu_read_lock_held_common kernel/rcu/update.c:108 [inline]
 rcu_read_lock_sched_held+0x20/0x70 kernel/rcu/update.c:123
 trace_lock_release include/trace/events/lock.h:69 [inline]
 lock_release+0x5cf/0x810 kernel/locking/lockdep.c:5679
 rcu_lock_release include/linux/rcupdate.h:330 [inline]
 rcu_read_unlock include/linux/rcupdate.h:797 [inline]
 batadv_nc_purge_orig_hash net/batman-adv/network-coding.c:412 [inline]
 batadv_nc_worker+0x86f/0xfa0 net/batman-adv/network-coding.c:719
 process_one_work+0x9bf/0x1710 kernel/workqueue.c:2289
 worker_thread+0x669/0x1090 kernel/workqueue.c:2436
 kthread+0x2e8/0x3a0 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:pn533_out_complete.cold+0x15/0x44 drivers/nfc/pn533/usb.c:441
Code: df e8 ee 50 f7 f7 e9 39 ff ff ff 48 89 df e8 e1 50 f7 f7 eb e0 e8 1a 4e a9 f7 4c 89 ea b8 ff ff 37 00 48 c1 ea 03 48 c1 e0 2a <80> 3c 02 00 75 1f 49 8b 7d 00 44 89 e2 48 c7 c6 00 83 d0 8a 48 81
RSP: 0018:ffffc90000007a58 EFLAGS: 00010086
RAX: dffffc0000000000 RBX: ffff888076a9d400 RCX: ffffc90002121000
RDX: 0000000000000000 RSI: ffffffff89d80476 RDI: 0000000000000005
RBP: ffffc90015ad6e70 R08: 0000000000000005 R09: 0000000000000000
R10: ffffffffffffffb9 R11: 0000000000000001 R12: ffffffffffffffb9
R13: 0000000000000000 R14: 0100000000000002 R15: 00000000ffffffb9
FS:  0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020163000 CR3: 000000002975e000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 000000000000000a DR6: 00000000ffff0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
   0:	df e8                	fucomip %st(0),%st
   2:	ee                   	out    %al,(%dx)
   3:	50                   	push   %rax
   4:	f7 f7                	div    %edi
   6:	e9 39 ff ff ff       	jmpq   0xffffff44
   b:	48 89 df             	mov    %rbx,%rdi
   e:	e8 e1 50 f7 f7       	callq  0xf7f750f4
  13:	eb e0                	jmp    0xfffffff5
  15:	e8 1a 4e a9 f7       	callq  0xf7a94e34
  1a:	4c 89 ea             	mov    %r13,%rdx
  1d:	b8 ff ff 37 00       	mov    $0x37ffff,%eax
  22:	48 c1 ea 03          	shr    $0x3,%rdx
  26:	48 c1 e0 2a          	shl    $0x2a,%rax
* 2a:	80 3c 02 00          	cmpb   $0x0,(%rdx,%rax,1) <-- trapping instruction
  2e:	75 1f                	jne    0x4f
  30:	49 8b 7d 00          	mov    0x0(%r13),%rdi
  34:	44 89 e2             	mov    %r12d,%edx
  37:	48 c7 c6 00 83 d0 8a 	mov    $0xffffffff8ad08300,%rsi
  3e:	48                   	rex.W
  3f:	81                   	.byte 0x81