------------[ cut here ]------------
UBSAN: array-index-out-of-bounds in drivers/input/tablet/aiptek.c:741:31
index 511 is out of range for type 'const int[34]'
CPU: 1 UID: 0 PID: 1410 Comm: syz.1.455 Not tainted syzkaller #0 ffcc03b7087851531ca4478bc989862769751c2e
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026
Call Trace:
 <TASK>
 __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+0x208d/0x2a00 drivers/input/tablet/aiptek.c:741
 __usb_hcd_giveback_urb+0x36e/0x530 drivers/usb/core/hcd.c:1648
 usb_hcd_giveback_urb+0x12b/0x400 drivers/usb/core/hcd.c:1732
 dummy_timer+0xa3f/0x4900 drivers/usb/gadget/udc/dummy_hcd.c:2003
 __run_hrtimer kernel/time/hrtimer.c:1758 [inline]
 __hrtimer_run_queues+0x3ab/0x8e0 kernel/time/hrtimer.c:1822
 hrtimer_run_softirq+0x159/0x560 kernel/time/hrtimer.c:1839
 handle_softirqs+0x1ad/0x620 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+0x44/0x90 arch/x86/kernel/apic/apic.c:1049
 asm_sysvec_apic_timer_interrupt+0x1f/0x30 arch/x86/include/asm/idtentry.h:702
RIP: 0033:0x7f330b4726cd
Code: 7c 24 08 85 c0 0f 84 19 01 00 00 66 90 48 8b 3c 24 49 8b 54 24 40 4c 89 f0 4a 03 14 ef 80 3d e1 56 3b 00 00 49 89 d6 48 89 d3 <74> 28 25 ff 0f 00 00 83 f0 3d 8d 04 c0 89 c3 c1 eb 04 31 c3 69 db
RSP: 002b:00007fff17c51400 EFLAGS: 00000246
RAX: ffffffff8168b7f1 RBX: ffffffff8168b7f1 RCX: ffffffff8168b7f1
RDX: ffffffff8168b7f1 RSI: ffffffff8168b7f1 RDI: 00007f330afff008
RBP: 0000000000000000 R08: 00007f330b810000 R09: 00007f330b812000
R10: 000000008168b7f5 R11: 0000000000000009 R12: 00007f330b826038
R13: 0000000000024bb5 R14: ffffffff8168b7f1 R15: 00007f330c355720
 </TASK>
---[ end trace ]---
------------[ cut here ]------------
UBSAN: array-index-out-of-bounds in drivers/input/tablet/aiptek.c:763:30
index 512 is out of range for type 'const int[34]'
CPU: 1 UID: 0 PID: 1410 Comm: syz.1.455 Not tainted syzkaller #0 ffcc03b7087851531ca4478bc989862769751c2e
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026
Call Trace:
 <TASK>
 __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+0x1f3c/0x2a00 drivers/input/tablet/aiptek.c:763
 __usb_hcd_giveback_urb+0x36e/0x530 drivers/usb/core/hcd.c:1648
 usb_hcd_giveback_urb+0x12b/0x400 drivers/usb/core/hcd.c:1732
 dummy_timer+0xa3f/0x4900 drivers/usb/gadget/udc/dummy_hcd.c:2003
 __run_hrtimer kernel/time/hrtimer.c:1758 [inline]
 __hrtimer_run_queues+0x3ab/0x8e0 kernel/time/hrtimer.c:1822
 hrtimer_run_softirq+0x159/0x560 kernel/time/hrtimer.c:1839
 handle_softirqs+0x1ad/0x620 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+0x44/0x90 arch/x86/kernel/apic/apic.c:1049
 asm_sysvec_apic_timer_interrupt+0x1f/0x30 arch/x86/include/asm/idtentry.h:702
RIP: 0033:0x7f330b4726cd
Code: 7c 24 08 85 c0 0f 84 19 01 00 00 66 90 48 8b 3c 24 49 8b 54 24 40 4c 89 f0 4a 03 14 ef 80 3d e1 56 3b 00 00 49 89 d6 48 89 d3 <74> 28 25 ff 0f 00 00 83 f0 3d 8d 04 c0 89 c3 c1 eb 04 31 c3 69 db
RSP: 002b:00007fff17c51400 EFLAGS: 00000246
RAX: ffffffff8168b7f1 RBX: ffffffff8168b7f1 RCX: ffffffff8168b7f1
RDX: ffffffff8168b7f1 RSI: ffffffff8168b7f1 RDI: 00007f330afff008
RBP: 0000000000000000 R08: 00007f330b810000 R09: 00007f330b812000
R10: 000000008168b7f5 R11: 0000000000000009 R12: 00007f330b826038
R13: 0000000000024bb5 R14: ffffffff8168b7f1 R15: 00007f330c355720
 </TASK>
---[ end trace ]---
aiptek 4-1:0.0: aiptek_irq - usb_submit_urb failed with result -19