Oops: general protection fault, probably for non-canonical address 0xdffffc0000000003: 0000 [#1] SMP KASAN NOPTI
KASAN: null-ptr-deref in range [0x0000000000000018-0x000000000000001f]
CPU: 0 UID: 0 PID: 5704 Comm: udevd Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
RIP: 0010:saitek_event+0x51/0x2b0 drivers/hid/hid-saitek.c:154
Code: a8 f8 49 83 c6 78 4c 89 f0 48 c1 e8 03 42 80 3c 28 00 74 08 4c 89 f7 e8 cd 58 1b f9 4d 8b 36 49 83 c6 18 4c 89 f0 48 c1 e8 03 <42> 80 3c 28 00 74 08 4c 89 f7 e8 b0 58 1b f9 49 8b 06 48 89 04 24
RSP: 0018:ffffc90000007830 EFLAGS: 00010006
RAX: 0000000000000003 RBX: ffff8880518fc188 RCX: ffff888041058000
RDX: 8000000000000100 RSI: 0000000000000100 RDI: ffff888042abc000
RBP: 000000000000008d R08: 0000000000000000 R09: 0000000000000000
R10: ffff8880518fc1a8 R11: ffffffff891f4740 R12: ffffffff910c2fe8
R13: dffffc0000000000 R14: 0000000000000018 R15: ffff888042abc000
FS:  00007fb41335f880(0000) GS:ffff88808b0b4000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ff8323556c8 CR3: 0000000052164000 CR4: 0000000000352ef0
Call Trace:
 <IRQ>
 hid_process_event+0x436/0x620 drivers/hid/hid-core.c:1572
 hid_process_report drivers/hid/hid-core.c:1730 [inline]
 hid_report_raw_event+0xf6a/0x1900 drivers/hid/hid-core.c:2109
 __hid_input_report+0x454/0x580 drivers/hid/hid-core.c:2180
 hid_ctrl+0x204/0x580 drivers/hid/usbhid/hid-core.c:486
 __usb_hcd_giveback_urb+0x378/0x540 drivers/usb/core/hcd.c:1657
 dummy_timer+0xa91/0x4cc0 drivers/usb/gadget/udc/dummy_hcd.c:2023
 __run_hrtimer kernel/time/hrtimer.c:2074 [inline]
 __hrtimer_run_queues+0x3bc/0xa10 kernel/time/hrtimer.c:2131
 hrtimer_run_softirq+0x1e3/0x2e0 kernel/time/hrtimer.c:2148
 handle_softirqs+0x226/0x860 kernel/softirq.c:645
 __do_softirq kernel/softirq.c:679 [inline]
 invoke_softirq kernel/softirq.c:519 [inline]
 __irq_exit_rcu+0xcb/0x220 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+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:finish_task_switch+0x413/0xc60 kernel/sched/core.c:5384
Code: 04 00 00 41 c7 84 24 20 0e 00 00 00 00 00 00 0f 1f 44 00 00 49 83 c4 48 4c 89 e7 e8 77 4f 57 0a e8 22 40 3a 00 fb 4c 8b 65 c8 <49> 8d bc 24 18 17 00 00 48 89 f8 48 c1 e8 03 42 0f b6 04 30 84 c0
RSP: 0018:ffffc9000cbef860 EFLAGS: 00000206
RAX: 0000000000003b4b RBX: ffff88801fa3c8e0 RCX: 8000000000000001
RDX: 0000000000000000 RSI: ffffffff8e46c494 RDI: ffffffff8c6dee80
RBP: ffffc9000cbef8b0 R08: ffffffff917a967f R09: 1ffffffff22f52cf
R10: dffffc0000000000 R11: fffffbfff22f52d0 R12: ffff888041058000
R13: ffff88801fa3c8a8 R14: dffffc0000000000 R15: 1ffff11003f4791c
 context_switch kernel/sched/core.c:5536 [inline]
 __schedule+0x17e3/0x58f0 kernel/sched/core.c:7284
 __schedule_loop kernel/sched/core.c:7361 [inline]
 schedule+0x164/0x2b0 kernel/sched/core.c:7376
 schedule_hrtimeout_range_clock+0x1f2/0x330 kernel/time/sleep_timeout.c:207
 ep_poll fs/eventpoll.c:2349 [inline]
 do_epoll_wait+0xb5c/0xf80 fs/eventpoll.c:2829
 __do_sys_epoll_wait fs/eventpoll.c:2837 [inline]
 __se_sys_epoll_wait fs/eventpoll.c:2832 [inline]
 __x64_sys_epoll_wait+0x1d7/0x230 fs/eventpoll.c:2832
 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline]
 do_syscall_64+0x166/0x520 arch/x86/entry/syscall_64.c:84
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fb412ca7407
Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff
RSP: 002b:00007ffdc401bec0 EFLAGS: 00000202 ORIG_RAX: 00000000000000e8
RAX: ffffffffffffffda RBX: 00007fb41335f880 RCX: 00007fb412ca7407
RDX: 0000000000000004 RSI: 00007ffdc401bf50 RDI: 0000000000000004
RBP: 0000555cc2883910 R08: 0000000000000000 R09: 0000000000000000
R10: ffffffffffffffff R11: 0000000000000202 R12: 0000555cc28b3d90
R13: 00007ffdc401bf50 R14: 0000000000000000 R15: 0000000000000000
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:saitek_event+0x51/0x2b0 drivers/hid/hid-saitek.c:154
Code: a8 f8 49 83 c6 78 4c 89 f0 48 c1 e8 03 42 80 3c 28 00 74 08 4c 89 f7 e8 cd 58 1b f9 4d 8b 36 49 83 c6 18 4c 89 f0 48 c1 e8 03 <42> 80 3c 28 00 74 08 4c 89 f7 e8 b0 58 1b f9 49 8b 06 48 89 04 24
RSP: 0018:ffffc90000007830 EFLAGS: 00010006
RAX: 0000000000000003 RBX: ffff8880518fc188 RCX: ffff888041058000
RDX: 8000000000000100 RSI: 0000000000000100 RDI: ffff888042abc000
RBP: 000000000000008d R08: 0000000000000000 R09: 0000000000000000
R10: ffff8880518fc1a8 R11: ffffffff891f4740 R12: ffffffff910c2fe8
R13: dffffc0000000000 R14: 0000000000000018 R15: ffff888042abc000
FS:  00007fb41335f880(0000) GS:ffff88808b0b4000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ff8323556c8 CR3: 0000000052164000 CR4: 0000000000352ef0
----------------
Code disassembly (best guess):
   0:	a8 f8                	test   $0xf8,%al
   2:	49 83 c6 78          	add    $0x78,%r14
   6:	4c 89 f0             	mov    %r14,%rax
   9:	48 c1 e8 03          	shr    $0x3,%rax
   d:	42 80 3c 28 00       	cmpb   $0x0,(%rax,%r13,1)
  12:	74 08                	je     0x1c
  14:	4c 89 f7             	mov    %r14,%rdi
  17:	e8 cd 58 1b f9       	call   0xf91b58e9
  1c:	4d 8b 36             	mov    (%r14),%r14
  1f:	49 83 c6 18          	add    $0x18,%r14
  23:	4c 89 f0             	mov    %r14,%rax
  26:	48 c1 e8 03          	shr    $0x3,%rax
* 2a:	42 80 3c 28 00       	cmpb   $0x0,(%rax,%r13,1) <-- trapping instruction
  2f:	74 08                	je     0x39
  31:	4c 89 f7             	mov    %r14,%rdi
  34:	e8 b0 58 1b f9       	call   0xf91b58e9
  39:	49 8b 06             	mov    (%r14),%rax
  3c:	48 89 04 24          	mov    %rax,(%rsp)