================================================================================
UBSAN: array-index-out-of-bounds in drivers/input/tablet/aiptek.c:741:31
index 132 is out of range for type 'const int[34]'
CPU: 1 PID: 18085 Comm: udevd Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
Call Trace:
dump_stack_lvl+0x18c/0x250 lib/dump_stack.c:106
ubsan_epilogue+0xa/0x30 lib/ubsan.c:217
__ubsan_handle_out_of_bounds+0xe3/0xf0 lib/ubsan.c:348
aiptek_irq+0x1eb8/0x2920 drivers/input/tablet/aiptek.c:741
__usb_hcd_giveback_urb+0x35d/0x520 drivers/usb/core/hcd.c:1648
dummy_timer+0xa40/0x3420 drivers/usb/gadget/udc/dummy_hcd.c:2003
__run_hrtimer kernel/time/hrtimer.c:1754 [inline]
__hrtimer_run_queues+0x525/0xc10 kernel/time/hrtimer.c:1818
hrtimer_run_softirq+0x177/0x290 kernel/time/hrtimer.c:1835
handle_softirqs+0x27d/0x820 kernel/softirq.c:578
__do_softirq kernel/softirq.c:612 [inline]
invoke_softirq kernel/softirq.c:452 [inline]
__irq_exit_rcu+0xd3/0x190 kernel/softirq.c:661
irq_exit_rcu+0x9/0x20 kernel/softirq.c:673
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1088 [inline]
sysvec_apic_timer_interrupt+0xa4/0xc0 arch/x86/kernel/apic/apic.c:1088
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:687
RIP: 0010:seqcount_lockdep_reader_access+0x199/0x1d0 include/linux/seqlock.h:105
Code: ff 4d 85 ed 75 16 e8 06 3f 94 ff eb 15 e8 ff 3e 94 ff e8 ca 21 99 08 4d 85 ed 74 ea e8 f0 3e 94 ff fb 48 c7 04 24 0e 36 e0 45 <4b> c7 04 27 00 00 00 00 43 c7 44 27 08 00 00 00 00 65 48 8b 04 25
RSP: 0018:ffffc900034676a0 EFLAGS: 00000293
RAX: ffffffff81f2a680 RBX: 0000000000000000 RCX: ffff88807e3f5a00
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90003467750 R08: ffffffff8e8c6b2f R09: 1ffffffff1d18d65
R10: dffffc0000000000 R11: fffffbfff1d18d66 R12: dffffc0000000000
R13: 0000000000000200 R14: ffffffff81f2b4a2 R15: 1ffff9200068ced4
__follow_mount_rcu fs/namei.c:1521 [inline]
handle_mounts fs/namei.c:1546 [inline]
step_into+0x632/0xee0 fs/namei.c:1848
walk_component fs/namei.c:2016 [inline]
link_path_walk+0x748/0xe40 fs/namei.c:2337
path_openat+0x291/0x3270 fs/namei.c:3793
do_filp_open+0x1f2/0x430 fs/namei.c:3824
do_sys_openat2+0x134/0x1d0 fs/open.c:1422
do_sys_open fs/open.c:1437 [inline]
__do_sys_openat fs/open.c:1453 [inline]
__se_sys_openat fs/open.c:1448 [inline]
__x64_sys_openat+0x139/0x160 fs/open.c:1448
do_syscall_x64 arch/x86/entry/common.c:46 [inline]
do_syscall_64+0x55/0xb0 arch/x86/entry/common.c:76
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7efc326a7407
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:00007fff574ab540 EFLAGS: 00000202 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007efc32e0a880 RCX: 00007efc326a7407
RDX: 0000000000080000 RSI: 00007fff574ab6c0 RDI: ffffffffffffff9c
RBP: 0000000000000008 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000202 R12: 00005644ba07a7f5
R13: 00005644ba07a7f5 R14: 0000000000000001 R15: 00005644ba095140
================================================================================
----------------
Code disassembly (best guess):
0: ff 4d 85 decl -0x7b(%rbp)
3: ed in (%dx),%eax
4: 75 16 jne 0x1c
6: e8 06 3f 94 ff call 0xff943f11
b: eb 15 jmp 0x22
d: e8 ff 3e 94 ff call 0xff943f11
12: e8 ca 21 99 08 call 0x89921e1
17: 4d 85 ed test %r13,%r13
1a: 74 ea je 0x6
1c: e8 f0 3e 94 ff call 0xff943f11
21: fb sti
22: 48 c7 04 24 0e 36 e0 movq $0x45e0360e,(%rsp)
29: 45
* 2a: 4b c7 04 27 00 00 00 movq $0x0,(%r15,%r12,1) <-- trapping instruction
31: 00
32: 43 c7 44 27 08 00 00 movl $0x0,0x8(%r15,%r12,1)
39: 00 00
3b: 65 gs
3c: 48 rex.W
3d: 8b .byte 0x8b
3e: 04 25 add $0x25,%al