================================================================================
UBSAN: array-index-out-of-bounds in drivers/input/tablet/aiptek.c:741:31
index 547 is out of range for type 'const int[34]'
CPU: 1 PID: 10014 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+0x18c/0x250 lib/dump_stack.c:106
 ubsan_epilogue+0xa/0x30 lib/ubsan.c:217
 __ubsan_handle_out_of_bounds+0xe3/0xf0 lib/ubsan.c:348
 aiptek_irq+0x1ea9/0x28f0 drivers/input/tablet/aiptek.c:741
 __usb_hcd_giveback_urb+0x35f/0x520 drivers/usb/core/hcd.c:1650
 dummy_timer+0x8de/0x3320 drivers/usb/gadget/udc/dummy_hcd.c:2003
 __run_hrtimer kernel/time/hrtimer.c:1754 [inline]
 __hrtimer_run_queues+0x520/0xc40 kernel/time/hrtimer.c:1818
 hrtimer_run_softirq+0x187/0x2b0 kernel/time/hrtimer.c:1835
 handle_softirqs+0x280/0x820 kernel/softirq.c:578
 __do_softirq kernel/softirq.c:612 [inline]
 invoke_softirq kernel/softirq.c:452 [inline]
 __irq_exit_rcu+0xd3/0x190 kernel/softirq.c:661
 irq_exit_rcu+0x9/0x20 kernel/softirq.c:673
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1088 [inline]
 sysvec_apic_timer_interrupt+0xa4/0xc0 arch/x86/kernel/apic/apic.c:1088
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:687
RIP: 0010:__x64_sys_rt_sigprocmask+0x0/0xb0 kernel/signal.c:3187
Code: 33 09 89 f9 80 e1 07 fe c1 38 c1 0f 8c 5d ff ff ff e8 74 37 8a 00 e9 53 ff ff ff 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 <f3> 0f 1e fa 41 57 41 56 41 55 41 54 53 48 89 fb 49 bd 00 00 00 00
RSP: 0018:ffffc9000391ff18 EFLAGS: 00000246
RAX: ffffffffffffffff RBX: ffffc9000391ff20 RCX: 00000000000001c6
RDX: dffffc0000000000 RSI: 000000000000000e RDI: ffffc9000391ff58
RBP: ffffc9000391ff48 R08: ffffffff8e8b666f R09: 1ffffffff1d16ccd
R10: dffffc0000000000 R11: fffffbfff1d16cce R12: 0000000000000000
R13: 0000000000000000 R14: ffffc9000391ff58 R15: 000000000000000e
 do_syscall_x64 arch/x86/entry/common.c:46 [inline]
 do_syscall_64+0x55/0xb0 arch/x86/entry/common.c:76
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7fac2113e4a7
Code: 00 00 00 53 48 89 fb 48 8d 3d d5 9b e0 00 e8 80 e9 01 00 41 ba 08 00 00 00 31 d2 48 89 de bf 02 00 00 00 b8 0e 00 00 00 0f 05 <5b> c3 0f 1f 80 00 00 00 00 48 83 ec 08 48 8d 3d 0d f7 0e 00 e8 60
RSP: 002b:00007fff7b111cf0 EFLAGS: 00000246 ORIG_RAX: 000000000000000e
RAX: ffffffffffffffda RBX: 00007fff7b111d00 RCX: 00007fac2113e4a7
RDX: 0000000000000000 RSI: 00007fff7b111d00 RDI: 0000000000000002
RBP: 0000000000000000 R08: 00007fac21f48060 R09: 0000000000000000
R10: 0000000000000008 R11: 0000000000000246 R12: 0000000000000001
R13: 00000000000927c0 R14: 0000000000076e41 R15: 00007fff7b111ee0
 </TASK>
================================================================================
----------------
Code disassembly (best guess):
   0:	33 09                	xor    (%rcx),%ecx
   2:	89 f9                	mov    %edi,%ecx
   4:	80 e1 07             	and    $0x7,%cl
   7:	fe c1                	inc    %cl
   9:	38 c1                	cmp    %al,%cl
   b:	0f 8c 5d ff ff ff    	jl     0xffffff6e
  11:	e8 74 37 8a 00       	call   0x8a378a
  16:	e9 53 ff ff ff       	jmp    0xffffff6e
  1b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  22:	00 00 00
  25:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
* 2a:	f3 0f 1e fa          	endbr64 <-- trapping instruction
  2e:	41 57                	push   %r15
  30:	41 56                	push   %r14
  32:	41 55                	push   %r13
  34:	41 54                	push   %r12
  36:	53                   	push   %rbx
  37:	48 89 fb             	mov    %rdi,%rbx
  3a:	49                   	rex.WB
  3b:	bd 00 00 00 00       	mov    $0x0,%ebp