================================================================================ UBSAN: array-index-out-of-bounds in drivers/input/tablet/aiptek.c:741:31 index 9710 is out of range for type 'const int[34]' CPU: 0 PID: 0 Comm: swapper/0 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 Call Trace: __dump_stack+0x21/0x24 lib/dump_stack.c:88 dump_stack_lvl+0x110/0x170 lib/dump_stack.c:106 dump_stack+0x15/0x24 lib/dump_stack.c:113 ubsan_epilogue+0xe/0x40 lib/ubsan.c:151 __ubsan_handle_out_of_bounds+0xdf/0xf0 lib/ubsan.c:282 aiptek_irq+0x2045/0x29b0 drivers/input/tablet/aiptek.c:741 __usb_hcd_giveback_urb+0x360/0x520 drivers/usb/core/hcd.c:1673 usb_hcd_giveback_urb+0x11f/0x3e0 drivers/usb/core/hcd.c:1756 dummy_timer+0xa25/0x3270 drivers/usb/gadget/udc/dummy_hcd.c:2004 __run_hrtimer kernel/time/hrtimer.c:1689 [inline] __hrtimer_run_queues+0x398/0x8a0 kernel/time/hrtimer.c:1753 hrtimer_run_softirq+0x19b/0x260 kernel/time/hrtimer.c:1770 handle_softirqs+0x1d7/0x600 kernel/softirq.c:642 __do_softirq kernel/softirq.c:680 [inline] invoke_softirq kernel/softirq.c:497 [inline] __irq_exit_rcu+0x52/0xf0 kernel/softirq.c:729 irq_exit_rcu+0x9/0x10 kernel/softirq.c:741 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1118 [inline] sysvec_apic_timer_interrupt+0xa9/0xc0 arch/x86/kernel/apic/apic.c:1118 asm_sysvec_apic_timer_interrupt+0x1b/0x20 arch/x86/include/asm/idtentry.h:691 RIP: 0010:default_idle+0xf/0x20 arch/x86/kernel/process.c:742 Code: cc 00 00 cc cc 00 00 cc cc 00 00 90 90 90 90 90 90 90 90 90 90 90 b8 0c 67 40 a5 55 48 89 e5 66 90 0f 00 2d 83 d9 64 00 fb f4 <5d> c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 90 90 90 90 90 RSP: 0018:ffffffff87007d58 EFLAGS: 00000257 RAX: ffff8881f6e00000 RBX: ffffffff8701c680 RCX: f639cf3bed2ea200 RDX: 0000000000000001 RSI: ffffffff85ca6fc0 RDI: ffffffff85ca6f80 RBP: ffffffff87007d58 R08: ffff8881f6e348b3 R09: 1ffff1103edc6916 R10: 0000000000000000 R11: ffffffff85015690 R12: dffffc0000000000 R13: 0000000000000000 R14: ffffffff8701c680 R15: dffffc0000000000 arch_cpu_idle+0x1c/0x20 arch/x86/kernel/process.c:733 default_idle_call+0x71/0x1d0 kernel/sched/idle.c:109 cpuidle_idle_call kernel/sched/idle.c:199 [inline] do_idle+0x354/0x640 kernel/sched/idle.c:323 cpu_startup_entry+0x43/0x60 kernel/sched/idle.c:422 rest_init+0x10a/0x130 init/main.c:744 arch_call_rest_init+0xe/0x10 init/main.c:904 start_kernel+0x483/0x4f1 init/main.c:1275 x86_64_start_reservations+0x2a/0x2c arch/x86/kernel/head64.c:555 x86_64_start_kernel+0x7c/0x81 arch/x86/kernel/head64.c:536 secondary_startup_64_no_verify+0xce/0xdb ================================================================================ ================================================================================ UBSAN: array-index-out-of-bounds in drivers/input/tablet/aiptek.c:763:30 index 9711 is out of range for type 'const int[34]' CPU: 0 PID: 0 Comm: swapper/0 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 Call Trace: __dump_stack+0x21/0x24 lib/dump_stack.c:88 dump_stack_lvl+0x110/0x170 lib/dump_stack.c:106 dump_stack+0x15/0x24 lib/dump_stack.c:113 ubsan_epilogue+0xe/0x40 lib/ubsan.c:151 __ubsan_handle_out_of_bounds+0xdf/0xf0 lib/ubsan.c:282 aiptek_irq+0x1f14/0x29b0 drivers/input/tablet/aiptek.c:763 __usb_hcd_giveback_urb+0x360/0x520 drivers/usb/core/hcd.c:1673 usb_hcd_giveback_urb+0x11f/0x3e0 drivers/usb/core/hcd.c:1756 dummy_timer+0xa25/0x3270 drivers/usb/gadget/udc/dummy_hcd.c:2004 __run_hrtimer kernel/time/hrtimer.c:1689 [inline] __hrtimer_run_queues+0x398/0x8a0 kernel/time/hrtimer.c:1753 hrtimer_run_softirq+0x19b/0x260 kernel/time/hrtimer.c:1770 handle_softirqs+0x1d7/0x600 kernel/softirq.c:642 __do_softirq kernel/softirq.c:680 [inline] invoke_softirq kernel/softirq.c:497 [inline] __irq_exit_rcu+0x52/0xf0 kernel/softirq.c:729 irq_exit_rcu+0x9/0x10 kernel/softirq.c:741 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1118 [inline] sysvec_apic_timer_interrupt+0xa9/0xc0 arch/x86/kernel/apic/apic.c:1118 asm_sysvec_apic_timer_interrupt+0x1b/0x20 arch/x86/include/asm/idtentry.h:691 RIP: 0010:default_idle+0xf/0x20 arch/x86/kernel/process.c:742 Code: cc 00 00 cc cc 00 00 cc cc 00 00 90 90 90 90 90 90 90 90 90 90 90 b8 0c 67 40 a5 55 48 89 e5 66 90 0f 00 2d 83 d9 64 00 fb f4 <5d> c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 90 90 90 90 90 RSP: 0018:ffffffff87007d58 EFLAGS: 00000257 RAX: ffff8881f6e00000 RBX: ffffffff8701c680 RCX: f639cf3bed2ea200 RDX: 0000000000000001 RSI: ffffffff85ca6fc0 RDI: ffffffff85ca6f80 RBP: ffffffff87007d58 R08: ffff8881f6e348b3 R09: 1ffff1103edc6916 R10: 0000000000000000 R11: ffffffff85015690 R12: dffffc0000000000 R13: 0000000000000000 R14: ffffffff8701c680 R15: dffffc0000000000 arch_cpu_idle+0x1c/0x20 arch/x86/kernel/process.c:733 default_idle_call+0x71/0x1d0 kernel/sched/idle.c:109 cpuidle_idle_call kernel/sched/idle.c:199 [inline] do_idle+0x354/0x640 kernel/sched/idle.c:323 cpu_startup_entry+0x43/0x60 kernel/sched/idle.c:422 rest_init+0x10a/0x130 init/main.c:744 arch_call_rest_init+0xe/0x10 init/main.c:904 start_kernel+0x483/0x4f1 init/main.c:1275 x86_64_start_reservations+0x2a/0x2c arch/x86/kernel/head64.c:555 x86_64_start_kernel+0x7c/0x81 arch/x86/kernel/head64.c:536 secondary_startup_64_no_verify+0xce/0xdb ================================================================================ aiptek 8-1:0.0: aiptek_irq - usb_submit_urb failed with result -19 ip6_tunnel: ip6gre1 xmit: Local address not yet configured! ---------------- Code disassembly (best guess): 0: cc int3 1: 00 00 add %al,(%rax) 3: cc int3 4: cc int3 5: 00 00 add %al,(%rax) 7: cc int3 8: cc int3 9: 00 00 add %al,(%rax) b: 90 nop c: 90 nop d: 90 nop e: 90 nop f: 90 nop 10: 90 nop 11: 90 nop 12: 90 nop 13: 90 nop 14: 90 nop 15: 90 nop 16: b8 0c 67 40 a5 mov $0xa540670c,%eax 1b: 55 push %rbp 1c: 48 89 e5 mov %rsp,%rbp 1f: 66 90 xchg %ax,%ax 21: 0f 00 2d 83 d9 64 00 verw 0x64d983(%rip) # 0x64d9ab 28: fb sti 29: f4 hlt * 2a: 5d pop %rbp <-- trapping instruction 2b: c3 ret 2c: 66 2e 0f 1f 84 00 00 cs nopw 0x0(%rax,%rax,1) 33: 00 00 00 36: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1) 3b: 90 nop 3c: 90 nop 3d: 90 nop 3e: 90 nop 3f: 90 nop