================================================================================
UBSAN: array-index-out-of-bounds in drivers/input/tablet/aiptek.c:741:31
index 1545 is out of range for type 'const int[34]'
CPU: 1 PID: 2202 Comm: udevd Tainted: G W syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
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:check_kcov_mode kernel/kcov.c:193 [inline]
RIP: 0010:__sanitizer_cov_trace_pc+0x36/0x60 kernel/kcov.c:216
Code: 80 09 91 7e 65 8b 15 81 09 91 7e 81 e2 00 01 ff 00 74 11 81 fa 00 01 00 00 75 35 83 b9 6c 0b 00 00 00 74 2c 8b 91 48 0b 00 00 <83> fa 02 75 21 48 8b 91 50 0b 00 00 48 8b 32 48 8d 7e 01 8b 89 4c
RSP: 0018:ffffc9000e6276c8 EFLAGS: 00000246
RAX: ffffffff81c5dae4 RBX: ffff8881f6600000 RCX: ffff88811b23bcc0
RDX: 0000000000000000 RSI: 000000000000000c RDI: 0000000000000020
RBP: ffffc9000e6276c8 R08: ffff88811b23bcc0 R09: 0000000000000002
R10: 000000000000002f R11: 0000000000000000 R12: ffffc9000e6279d0
R13: 000000000000000c R14: dffffc0000000000 R15: ffff888100443770
d_hash fs/dcache.c:105 [inline]
__d_lookup_rcu+0x94/0x400 fs/dcache.c:2359
lookup_fast+0xc8/0x520 fs/namei.c:1632
walk_component fs/namei.c:2001 [inline]
link_path_walk+0x608/0xeb0 fs/namei.c:2332
path_lookupat+0x8d/0x430 fs/namei.c:2485
filename_lookup+0x229/0x580 fs/namei.c:2515
vfs_statx+0x11b/0x6b0 fs/stat.c:229
vfs_fstatat fs/stat.c:267 [inline]
__do_sys_newfstatat fs/stat.c:437 [inline]
__se_sys_newfstatat+0x142/0x440 fs/stat.c:431
__x64_sys_newfstatat+0x9b/0xb0 fs/stat.c:431
x64_sys_call+0x77c/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:263
do_syscall_x64 arch/x86/entry/common.c:46 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f07ffb11b0a
Code: 48 8b 15 f1 f2 0d 00 f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 41 89 ca b8 06 01 00 00 0f 05 <3d> 00 f0 ff ff 77 07 31 c0 c3 0f 1f 40 00 48 8b 15 b9 f2 0d 00 f7
RSP: 002b:00007ffe9ccb1d38 EFLAGS: 00000246 ORIG_RAX: 0000000000000106
RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f07ffb11b0a
RDX: 00007ffe9ccb1d40 RSI: 00007ffe9ccb1e10 RDI: 00000000ffffff9c
RBP: 00007ffe9ccb2e50 R08: 00005562a9373680 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00005562a9373680
R13: 0000000000000000 R14: 000055628bd356d7 R15: 00007ffe9ccb3fa0
================================================================================
================================================================================
UBSAN: array-index-out-of-bounds in drivers/input/tablet/aiptek.c:763:30
index 1546 is out of range for type 'const int[34]'
CPU: 1 PID: 2202 Comm: udevd Tainted: G W syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
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:check_kcov_mode kernel/kcov.c:193 [inline]
RIP: 0010:__sanitizer_cov_trace_pc+0x36/0x60 kernel/kcov.c:216
Code: 80 09 91 7e 65 8b 15 81 09 91 7e 81 e2 00 01 ff 00 74 11 81 fa 00 01 00 00 75 35 83 b9 6c 0b 00 00 00 74 2c 8b 91 48 0b 00 00 <83> fa 02 75 21 48 8b 91 50 0b 00 00 48 8b 32 48 8d 7e 01 8b 89 4c
RSP: 0018:ffffc9000e6276c8 EFLAGS: 00000246
RAX: ffffffff81c5dae4 RBX: ffff8881f6600000 RCX: ffff88811b23bcc0
RDX: 0000000000000000 RSI: 000000000000000c RDI: 0000000000000020
RBP: ffffc9000e6276c8 R08: ffff88811b23bcc0 R09: 0000000000000002
R10: 000000000000002f R11: 0000000000000000 R12: ffffc9000e6279d0
R13: 000000000000000c R14: dffffc0000000000 R15: ffff888100443770
d_hash fs/dcache.c:105 [inline]
__d_lookup_rcu+0x94/0x400 fs/dcache.c:2359
lookup_fast+0xc8/0x520 fs/namei.c:1632
walk_component fs/namei.c:2001 [inline]
link_path_walk+0x608/0xeb0 fs/namei.c:2332
path_lookupat+0x8d/0x430 fs/namei.c:2485
filename_lookup+0x229/0x580 fs/namei.c:2515
vfs_statx+0x11b/0x6b0 fs/stat.c:229
vfs_fstatat fs/stat.c:267 [inline]
__do_sys_newfstatat fs/stat.c:437 [inline]
__se_sys_newfstatat+0x142/0x440 fs/stat.c:431
__x64_sys_newfstatat+0x9b/0xb0 fs/stat.c:431
x64_sys_call+0x77c/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:263
do_syscall_x64 arch/x86/entry/common.c:46 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f07ffb11b0a
Code: 48 8b 15 f1 f2 0d 00 f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 41 89 ca b8 06 01 00 00 0f 05 <3d> 00 f0 ff ff 77 07 31 c0 c3 0f 1f 40 00 48 8b 15 b9 f2 0d 00 f7
RSP: 002b:00007ffe9ccb1d38 EFLAGS: 00000246 ORIG_RAX: 0000000000000106
RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f07ffb11b0a
RDX: 00007ffe9ccb1d40 RSI: 00007ffe9ccb1e10 RDI: 00000000ffffff9c
RBP: 00007ffe9ccb2e50 R08: 00005562a9373680 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00005562a9373680
R13: 0000000000000000 R14: 000055628bd356d7 R15: 00007ffe9ccb3fa0
================================================================================
aiptek 8-1:0.0: aiptek_irq - usb_submit_urb failed with result -19
ip6_tunnel: ip6gretap0: Local routing loop detected!
----------------
Code disassembly (best guess):
0: 80 09 91 orb $0x91,(%rcx)
3: 7e 65 jle 0x6a
5: 8b 15 81 09 91 7e mov 0x7e910981(%rip),%edx # 0x7e91098c
b: 81 e2 00 01 ff 00 and $0xff0100,%edx
11: 74 11 je 0x24
13: 81 fa 00 01 00 00 cmp $0x100,%edx
19: 75 35 jne 0x50
1b: 83 b9 6c 0b 00 00 00 cmpl $0x0,0xb6c(%rcx)
22: 74 2c je 0x50
24: 8b 91 48 0b 00 00 mov 0xb48(%rcx),%edx
* 2a: 83 fa 02 cmp $0x2,%edx <-- trapping instruction
2d: 75 21 jne 0x50
2f: 48 8b 91 50 0b 00 00 mov 0xb50(%rcx),%rdx
36: 48 8b 32 mov (%rdx),%rsi
39: 48 8d 7e 01 lea 0x1(%rsi),%rdi
3d: 8b .byte 0x8b
3e: 89 .byte 0x89
3f: 4c rex.WR