------------[ cut here ]------------ UBSAN: array-index-out-of-bounds in drivers/input/tablet/aiptek.c:741:31 index 259 is out of range for type 'const int[34]' CPU: 0 UID: 0 PID: 338 Comm: udevd Not tainted syzkaller #0 471281939cd7bfdfff4c6b6074d5d68627c837ba Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 Call Trace: __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+0x44/0x90 arch/x86/kernel/apic/apic.c:1049 asm_sysvec_apic_timer_interrupt+0x1f/0x30 arch/x86/include/asm/idtentry.h:702 RIP: 0033:0x7f25a7ca501a Code: 89 cb 48 83 ec 08 e8 75 ff ff ff 44 89 a5 c0 00 00 00 45 85 e4 78 49 48 89 9d a0 00 00 00 66 0f ef c0 48 c7 43 50 00 00 00 00 <4c> 89 ab e0 00 00 00 0f 11 03 0f 11 43 10 0f 11 43 20 0f 11 43 30 RSP: 002b:00007ffd996408f0 EFLAGS: 00000246 RAX: 000055f4c0651ee0 RBX: 000055f4c0651ef0 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 00000000fbad0000 RDI: 000055f4c0651e00 RBP: 000055f4c0651e00 R08: 00007f25a7df01e8 R09: 0000000000000000 R10: 000055f497d0d480 R11: 0000000000000001 R12: 0000000000000000 R13: 00007f25a7df01e8 R14: 0000000000000001 R15: 000055f497cfc00c ---[ end trace ]--- ------------[ cut here ]------------ UBSAN: array-index-out-of-bounds in drivers/input/tablet/aiptek.c:763:30 index 260 is out of range for type 'const int[34]' CPU: 0 UID: 0 PID: 338 Comm: udevd Not tainted syzkaller #0 471281939cd7bfdfff4c6b6074d5d68627c837ba Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 Call Trace: __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+0x44/0x90 arch/x86/kernel/apic/apic.c:1049 asm_sysvec_apic_timer_interrupt+0x1f/0x30 arch/x86/include/asm/idtentry.h:702 RIP: 0033:0x7f25a7ca501a Code: 89 cb 48 83 ec 08 e8 75 ff ff ff 44 89 a5 c0 00 00 00 45 85 e4 78 49 48 89 9d a0 00 00 00 66 0f ef c0 48 c7 43 50 00 00 00 00 <4c> 89 ab e0 00 00 00 0f 11 03 0f 11 43 10 0f 11 43 20 0f 11 43 30 RSP: 002b:00007ffd996408f0 EFLAGS: 00000246 RAX: 000055f4c0651ee0 RBX: 000055f4c0651ef0 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 00000000fbad0000 RDI: 000055f4c0651e00 RBP: 000055f4c0651e00 R08: 00007f25a7df01e8 R09: 0000000000000000 R10: 000055f497d0d480 R11: 0000000000000001 R12: 0000000000000000 R13: 00007f25a7df01e8 R14: 0000000000000001 R15: 000055f497cfc00c ---[ end trace ]--- aiptek 5-1:0.0: aiptek_irq - usb_submit_urb failed with result -19