================================================================================
UBSAN: array-index-out-of-bounds in drivers/input/tablet/aiptek.c:741:31
index 1023 is out of range for type 'const int[34]'
CPU: 0 PID: 4274 Comm: syz-executor Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
Call Trace:
 <IRQ>
 dump_stack_lvl+0x188/0x24e lib/dump_stack.c:106
 ubsan_epilogue+0xa/0x30 lib/ubsan.c:151
 __ubsan_handle_out_of_bounds+0xdf/0xf0 lib/ubsan.c:282
 aiptek_irq+0x1e87/0x28f0 drivers/input/tablet/aiptek.c:741
 __usb_hcd_giveback_urb+0x35d/0x520 drivers/usb/core/hcd.c:1673
 dummy_timer+0xa21/0x3420 drivers/usb/gadget/udc/dummy_hcd.c:2004
 __run_hrtimer kernel/time/hrtimer.c:1751 [inline]
 __hrtimer_run_queues+0x522/0xc90 kernel/time/hrtimer.c:1815
 hrtimer_run_softirq+0x173/0x290 kernel/time/hrtimer.c:1832
 handle_softirqs+0x291/0x910 kernel/softirq.c:596
 __do_softirq kernel/softirq.c:630 [inline]
 invoke_softirq kernel/softirq.c:470 [inline]
 __irq_exit_rcu+0x13b/0x230 kernel/softirq.c:679
 irq_exit_rcu+0x5/0x20 kernel/softirq.c:691
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1118 [inline]
 sysvec_apic_timer_interrupt+0xa0/0xc0 arch/x86/kernel/apic/apic.c:1118
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:691
RIP: 0010:end_of_stack include/linux/sched/task_stack.h:32 [inline]
RIP: 0010:schedule_debug kernel/sched/core.c:5803 [inline]
RIP: 0010:__schedule+0x115/0x4030 kernel/sched/core.c:6455
Code: 00 00 42 80 3c 28 00 74 08 48 89 df e8 64 9f 9a f7 48 89 5c 24 48 4c 8b 23 49 8d 5c 24 20 48 89 d8 48 c1 e8 03 42 80 3c 28 00 <74> 08 48 89 df e8 41 9f 9a f7 48 8b 1b 48 89 d8 48 c1 e8 03 42 80
RSP: 0018:ffffc90003d27760 EFLAGS: 00000246
RAX: 1ffff11005fd03c4 RBX: ffff88802fe81e20 RCX: 0000000000000000
RDX: 0000000000000010 RSI: 0000000000000000 RDI: ffffc90003d27890
RBP: ffffc90003d278f0 R08: ffffc90003d2788f R09: ffffc90003d27880
R10: dffffc0000000000 R11: fffff520007a4f12 R12: ffff88802fe81e00
R13: dffffc0000000000 R14: ffffc90003d27880 R15: ffff8880b8e00000
 preempt_schedule_irq+0xbb/0x160 kernel/sched/core.c:6874
 irqentry_exit+0x63/0x70 kernel/entry/common.c:439
 asm_sysvec_reschedule_ipi+0x16/0x20 arch/x86/include/asm/idtentry.h:696
RIP: 0010:should_resched arch/x86/include/asm/preempt.h:103 [inline]
RIP: 0010:__local_bh_enable_ip+0x13e/0x1c0 kernel/softirq.c:428
Code: 8a e8 36 24 e1 08 65 66 8b 05 be 66 b4 7e 66 85 c0 75 54 bf 01 00 00 00 e8 6f 82 09 00 e8 da 4a 39 00 fb 65 8b 05 6a 33 b3 7e <85> c0 75 05 e8 79 47 b1 ff 48 c7 04 24 0e 36 e0 45 4b c7 04 37 00
RSP: 0018:ffffc90003d27a60 EFLAGS: 00000286
RAX: 0000000080000000 RBX: 0000000000000201 RCX: 87d6f72f46280f00
RDX: dffffc0000000000 RSI: ffffffff8a8c17a0 RDI: ffffffff8adf42e0
RBP: ffffc90003d27af0 R08: ffffffff90b102ff R09: 1ffffffff216205f
R10: dffffc0000000000 R11: fffffbfff2162060 R12: ffffffff88b4adb8
R13: 00007ffcda9f5e5c R14: dffffc0000000000 R15: 1ffff920007a4f4c
 do_ip_getsockopt+0x328/0x18d0 net/ipv4/ip_sockglue.c:1572
 ip_getsockopt+0xb8/0x230 net/ipv4/ip_sockglue.c:1809
 __sys_getsockopt+0x1b0/0x230 net/socket.c:2332
 __do_sys_getsockopt net/socket.c:2347 [inline]
 __se_sys_getsockopt net/socket.c:2344 [inline]
 __x64_sys_getsockopt+0xb1/0xc0 net/socket.c:2344
 do_syscall_x64 arch/x86/entry/common.c:46 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f916db9f66a
Code: 48 83 ec 10 89 d2 48 63 ff 45 31 c9 6a 2a 45 31 c0 31 c9 e8 d8 99 fb ff 48 83 c4 18 c3 0f 1f 00 49 89 ca b8 37 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 06 c3 0f 1f 44 00 00 48 c7 c2 e8 ff ff ff f7
RSP: 002b:00007ffcda9f5e38 EFLAGS: 00000246 ORIG_RAX: 0000000000000037
RAX: ffffffffffffffda RBX: 00007f916ddeaae0 RCX: 00007f916db9f66a
RDX: 0000000000000080 RSI: 0000000000000000 RDI: 0000000000000003
RBP: 0000000000000003 R08: 00007ffcda9f5e5c R09: 0000000000000000
R10: 00007ffcda9f5e60 R11: 0000000000000246 R12: 00007ffcda9f5e60
R13: 00007ffcda9f5e5c R14: 0000000000000001 R15: 0000000000000000
 </TASK>
================================================================================
----------------
Code disassembly (best guess):
   0:	00 00                	add    %al,(%rax)
   2:	42 80 3c 28 00       	cmpb   $0x0,(%rax,%r13,1)
   7:	74 08                	je     0x11
   9:	48 89 df             	mov    %rbx,%rdi
   c:	e8 64 9f 9a f7       	call   0xf79a9f75
  11:	48 89 5c 24 48       	mov    %rbx,0x48(%rsp)
  16:	4c 8b 23             	mov    (%rbx),%r12
  19:	49 8d 5c 24 20       	lea    0x20(%r12),%rbx
  1e:	48 89 d8             	mov    %rbx,%rax
  21:	48 c1 e8 03          	shr    $0x3,%rax
  25:	42 80 3c 28 00       	cmpb   $0x0,(%rax,%r13,1)
* 2a:	74 08                	je     0x34 <-- trapping instruction
  2c:	48 89 df             	mov    %rbx,%rdi
  2f:	e8 41 9f 9a f7       	call   0xf79a9f75
  34:	48 8b 1b             	mov    (%rbx),%rbx
  37:	48 89 d8             	mov    %rbx,%rax
  3a:	48 c1 e8 03          	shr    $0x3,%rax
  3e:	42                   	rex.X
  3f:	80                   	.byte 0x80