UBSAN: array-index-out-of-bounds in drivers/input/tablet/aiptek.c:741:31
index 1023 is out of range for type 'const int[34]'
CPU: 1 PID: 321 Comm: udevd Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/25/2026
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:1675
usb_hcd_giveback_urb+0x11f/0x3e0 drivers/usb/core/hcd.c:1758
dummy_timer+0xa25/0x3270 drivers/usb/gadget/udc/dummy_hcd.c:2004
__run_hrtimer kernel/time/hrtimer.c:1685 [inline]
__hrtimer_run_queues+0x398/0x890 kernel/time/hrtimer.c:1749
hrtimer_run_softirq+0x19b/0x260 kernel/time/hrtimer.c:1766
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:__syscall_enter_from_user_work kernel/entry/common.c:97 [inline]
RIP: 0010:syscall_enter_from_user_mode+0xc/0x30 kernel/entry/common.c:118
Code: 89 e5 5d c3 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 b8 5c cc d4 e6 48 89 f0 fb 65 48 8b 0d 14 26 08 7b <48> 8b 71 08 40 f6 c6 3f 74 0a 55 48 89 e5 e8 41 c2 65 fc 5d c3 66
RSP: 0018:ffffc9000dcbff18 EFLAGS: 00000282
RAX: 0000000000000000 RBX: ffffc9000dcbff20 RCX: ffff888110265100
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffc9000dcbff58
RBP: ffffc9000dcbff48 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: ffffc9000dcbff58 R15: 0000000000000000
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f94628a7407
Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff
RSP: 002b:00007ffc8faf18e0 EFLAGS: 00000202 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007f9462f5b880 RCX: 00007f94628a7407
RDX: 0000000000001000 RSI: 00007ffc8faf1dc0 RDI: 0000000000000008
RBP: 0000000000000008 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000202 R12: 0000555da437c5d0
R13: 00007ffc8faf19c0 R14: 00007ffc8faf1dc0 R15: 0000555d9c23cbcc
================================================================================
================================================================================
UBSAN: array-index-out-of-bounds in drivers/input/tablet/aiptek.c:763:30
index 1024 is out of range for type 'const int[34]'
CPU: 1 PID: 321 Comm: udevd Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/25/2026
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:1675
usb_hcd_giveback_urb+0x11f/0x3e0 drivers/usb/core/hcd.c:1758
dummy_timer+0xa25/0x3270 drivers/usb/gadget/udc/dummy_hcd.c:2004
__run_hrtimer kernel/time/hrtimer.c:1685 [inline]
__hrtimer_run_queues+0x398/0x890 kernel/time/hrtimer.c:1749
hrtimer_run_softirq+0x19b/0x260 kernel/time/hrtimer.c:1766
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:__syscall_enter_from_user_work kernel/entry/common.c:97 [inline]
RIP: 0010:syscall_enter_from_user_mode+0xc/0x30 kernel/entry/common.c:118
Code: 89 e5 5d c3 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 b8 5c cc d4 e6 48 89 f0 fb 65 48 8b 0d 14 26 08 7b <48> 8b 71 08 40 f6 c6 3f 74 0a 55 48 89 e5 e8 41 c2 65 fc 5d c3 66
RSP: 0018:ffffc9000dcbff18 EFLAGS: 00000282
RAX: 0000000000000000 RBX: ffffc9000dcbff20 RCX: ffff888110265100
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffc9000dcbff58
RBP: ffffc9000dcbff48 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: ffffc9000dcbff58 R15: 0000000000000000
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f94628a7407
Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff
RSP: 002b:00007ffc8faf18e0 EFLAGS: 00000202 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007f9462f5b880 RCX: 00007f94628a7407
RDX: 0000000000001000 RSI: 00007ffc8faf1dc0 RDI: 0000000000000008
RBP: 0000000000000008 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000202 R12: 0000555da437c5d0
R13: 00007ffc8faf19c0 R14: 00007ffc8faf1dc0 R15: 0000555d9c23cbcc
================================================================================
aiptek 2-1:0.0: aiptek_irq - usb_submit_urb failed with result -19
----------------
Code disassembly (best guess):
0: 89 e5 mov %esp,%ebp
2: 5d pop %rbp
3: c3 ret
4: 66 2e 0f 1f 84 00 00 cs nopw 0x0(%rax,%rax,1)
b: 00 00 00
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: 90 nop
17: 90 nop
18: 90 nop
19: b8 5c cc d4 e6 mov $0xe6d4cc5c,%eax
1e: 48 89 f0 mov %rsi,%rax
21: fb sti
22: 65 48 8b 0d 14 26 08 mov %gs:0x7b082614(%rip),%rcx # 0x7b08263e
29: 7b
* 2a: 48 8b 71 08 mov 0x8(%rcx),%rsi <-- trapping instruction
2e: 40 f6 c6 3f test $0x3f,%sil
32: 74 0a je 0x3e
34: 55 push %rbp
35: 48 89 e5 mov %rsp,%rbp
38: e8 41 c2 65 fc call 0xfc65c27e
3d: 5d pop %rbp
3e: c3 ret
3f: 66 data16