UBSAN: array-index-out-of-bounds in drivers/input/tablet/aiptek.c:741:31
index 1281 is out of range for type 'const int[34]'
CPU: 1 UID: 0 PID: 99 Comm: klogd Not tainted syzkaller #0 f49fde4b0c45121d7a445e7def5dbe315378ec14
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
Call Trace:
 <IRQ>
 __dump_stack+0x21/0x30 lib/dump_stack.c:94
 dump_stack_lvl+0x140/0x1c0 lib/dump_stack.c:120
 dump_stack+0x19/0x20 lib/dump_stack.c:129
 ubsan_epilogue+0xe/0x40 lib/ubsan.c:231
 __ubsan_handle_out_of_bounds+0xe8/0xf0 lib/ubsan.c:429
 aiptek_irq+0x20cb/0x2a00 drivers/input/tablet/aiptek.c:741
 __usb_hcd_giveback_urb+0x375/0x540 drivers/usb/core/hcd.c:1648
 usb_hcd_giveback_urb+0x11b/0x410 drivers/usb/core/hcd.c:1732
 dummy_timer+0x816/0x4300 drivers/usb/gadget/udc/dummy_hcd.c:2003
 __run_hrtimer kernel/time/hrtimer.c:1753 [inline]
 __hrtimer_run_queues+0x3ab/0x8e0 kernel/time/hrtimer.c:1817
 hrtimer_run_softirq+0x159/0x560 kernel/time/hrtimer.c:1834
 handle_softirqs+0x1aa/0x630 kernel/softirq.c:621
 __do_softirq kernel/softirq.c:659 [inline]
 invoke_softirq kernel/softirq.c:476 [inline]
 __irq_exit_rcu+0x47/0xb0 kernel/softirq.c:708
 irq_exit_rcu+0xd/0x30 kernel/softirq.c:720
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1049 [inline]
 sysvec_apic_timer_interrupt+0x82/0x90 arch/x86/kernel/apic/apic.c:1049
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1f/0x30 arch/x86/include/asm/idtentry.h:702
RIP: 0010:security_capable+0x0/0x130 security/security.c:1147
Code: 5d d0 e9 07 ff ff ff e8 ee 58 14 ff 48 8b 5d d0 e9 03 ff ff ff 0f 1f 44 00 00 b8 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 <66> 0f 1f 00 55 48 89 e5 41 57 41 56 41 55 41 54 53 50 89 cb 41 89
RSP: 0018:ffffc90000e4fd28 EFLAGS: 00000246
RAX: 1ffff11021973ce8 RBX: ffff88810cb9df00 RCX: 0000000000000000
RDX: 0000000000000022 RSI: ffffffff875063c0 RDI: ffff888109f5a900
RBP: ffffc90000e4fd50 R08: ffffc90000e4fe47 R09: 0000000000000000
R10: ffffc90000e4fdf0 R11: fffff520001c9fc9 R12: dffffc0000000000
R13: 0000000000000000 R14: 0000000000000022 R15: ffff88810cb9e740
 check_syslog_permissions kernel/printk/printk.c:651 [inline]
 do_syslog+0x165/0x7f0 kernel/printk/printk.c:1778
 __do_sys_syslog kernel/printk/printk.c:1886 [inline]
 __se_sys_syslog kernel/printk/printk.c:1884 [inline]
 __x64_sys_syslog+0x80/0x90 kernel/printk/printk.c:1884
 x64_sys_call+0x19e6/0x2ee0 arch/x86/include/generated/asm/syscalls_64.h:104
 do_syscall_x64 arch/x86/entry/common.c:47 [inline]
 do_syscall_64+0x57/0xf0 arch/x86/entry/common.c:78
 entry_SYSCALL_64_after_hwframe+0x76/0x7e
RIP: 0033:0x7fe5de49fa37
Code: 73 01 c3 48 8b 0d c1 f3 0c 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 67 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 91 f3 0c 00 f7 d8 64 89 01 48
RSP: 002b:00007ffea140e928 EFLAGS: 00000206 ORIG_RAX: 0000000000000067
RAX: ffffffffffffffda RBX: 00007fe5de63f490 RCX: 00007fe5de49fa37
RDX: 00000000000003ff RSI: 00007fe5de63f490 RDI: 0000000000000002
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000004000 R11: 0000000000000206 R12: 00007fe5de63f490
R13: 00007fe5de61cdfe R14: 00007fe5de63f56e R15: 00007fe5de63f56e
 </TASK>
---[ end trace ]---
------------[ cut here ]------------
UBSAN: array-index-out-of-bounds in drivers/input/tablet/aiptek.c:763:30
index 1282 is out of range for type 'const int[34]'
CPU: 1 UID: 0 PID: 99 Comm: klogd Not tainted syzkaller #0 f49fde4b0c45121d7a445e7def5dbe315378ec14
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
Call Trace:
 <IRQ>
 __dump_stack+0x21/0x30 lib/dump_stack.c:94
 dump_stack_lvl+0x140/0x1c0 lib/dump_stack.c:120
 dump_stack+0x19/0x20 lib/dump_stack.c:129
 ubsan_epilogue+0xe/0x40 lib/ubsan.c:231
 __ubsan_handle_out_of_bounds+0xe8/0xf0 lib/ubsan.c:429
 aiptek_irq+0x1f85/0x2a00 drivers/input/tablet/aiptek.c:763
 __usb_hcd_giveback_urb+0x375/0x540 drivers/usb/core/hcd.c:1648
 usb_hcd_giveback_urb+0x11b/0x410 drivers/usb/core/hcd.c:1732
 dummy_timer+0x816/0x4300 drivers/usb/gadget/udc/dummy_hcd.c:2003
 __run_hrtimer kernel/time/hrtimer.c:1753 [inline]
 __hrtimer_run_queues+0x3ab/0x8e0 kernel/time/hrtimer.c:1817
 hrtimer_run_softirq+0x159/0x560 kernel/time/hrtimer.c:1834
 handle_softirqs+0x1aa/0x630 kernel/softirq.c:621
 __do_softirq kernel/softirq.c:659 [inline]
 invoke_softirq kernel/softirq.c:476 [inline]
 __irq_exit_rcu+0x47/0xb0 kernel/softirq.c:708
 irq_exit_rcu+0xd/0x30 kernel/softirq.c:720
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1049 [inline]
 sysvec_apic_timer_interrupt+0x82/0x90 arch/x86/kernel/apic/apic.c:1049
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1f/0x30 arch/x86/include/asm/idtentry.h:702
RIP: 0010:security_capable+0x0/0x130 security/security.c:1147
Code: 5d d0 e9 07 ff ff ff e8 ee 58 14 ff 48 8b 5d d0 e9 03 ff ff ff 0f 1f 44 00 00 b8 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 <66> 0f 1f 00 55 48 89 e5 41 57 41 56 41 55 41 54 53 50 89 cb 41 89
RSP: 0018:ffffc90000e4fd28 EFLAGS: 00000246
RAX: 1ffff11021973ce8 RBX: ffff88810cb9df00 RCX: 0000000000000000
RDX: 0000000000000022 RSI: ffffffff875063c0 RDI: ffff888109f5a900
RBP: ffffc90000e4fd50 R08: ffffc90000e4fe47 R09: 0000000000000000
R10: ffffc90000e4fdf0 R11: fffff520001c9fc9 R12: dffffc0000000000
R13: 0000000000000000 R14: 0000000000000022 R15: ffff88810cb9e740
 check_syslog_permissions kernel/printk/printk.c:651 [inline]
 do_syslog+0x165/0x7f0 kernel/printk/printk.c:1778
 __do_sys_syslog kernel/printk/printk.c:1886 [inline]
 __se_sys_syslog kernel/printk/printk.c:1884 [inline]
 __x64_sys_syslog+0x80/0x90 kernel/printk/printk.c:1884
 x64_sys_call+0x19e6/0x2ee0 arch/x86/include/generated/asm/syscalls_64.h:104
 do_syscall_x64 arch/x86/entry/common.c:47 [inline]
 do_syscall_64+0x57/0xf0 arch/x86/entry/common.c:78
 entry_SYSCALL_64_after_hwframe+0x76/0x7e
RIP: 0033:0x7fe5de49fa37
Code: 73 01 c3 48 8b 0d c1 f3 0c 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 67 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 91 f3 0c 00 f7 d8 64 89 01 48
RSP: 002b:00007ffea140e928 EFLAGS: 00000206 ORIG_RAX: 0000000000000067
RAX: ffffffffffffffda RBX: 00007fe5de63f490 RCX: 00007fe5de49fa37
RDX: 00000000000003ff RSI: 00007fe5de63f490 RDI: 0000000000000002
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000004000 R11: 0000000000000206 R12: 00007fe5de63f490
R13: 00007fe5de61cdfe R14: 00007fe5de63f56e R15: 00007fe5de63f56e
 </TASK>
---[ end trace ]---
aiptek 2-1:0.0: aiptek_irq - usb_submit_urb failed with result -19
----------------
Code disassembly (best guess), 2 bytes skipped:
   0:	e9 07 ff ff ff       	jmp    0xffffff0c
   5:	e8 ee 58 14 ff       	call   0xff1458f8
   a:	48 8b 5d d0          	mov    -0x30(%rbp),%rbx
   e:	e9 03 ff ff ff       	jmp    0xffffff16
  13:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  18:	b8 00 00 00 00       	mov    $0x0,%eax
  1d:	90                   	nop
  1e:	90                   	nop
  1f:	90                   	nop
  20:	90                   	nop
  21:	90                   	nop
  22:	90                   	nop
  23:	90                   	nop
  24:	90                   	nop
  25:	90                   	nop
  26:	90                   	nop
  27:	90                   	nop
* 28:	66 0f 1f 00          	nopw   (%rax) <-- trapping instruction
  2c:	55                   	push   %rbp
  2d:	48 89 e5             	mov    %rsp,%rbp
  30:	41 57                	push   %r15
  32:	41 56                	push   %r14
  34:	41 55                	push   %r13
  36:	41 54                	push   %r12
  38:	53                   	push   %rbx
  39:	50                   	push   %rax
  3a:	89 cb                	mov    %ecx,%ebx
  3c:	41                   	rex.B
  3d:	89                   	.byte 0x89