================================================================================
UBSAN: array-index-out-of-bounds in drivers/input/tablet/aiptek.c:741:31
index 261 is out of range for type 'const int[34]'
CPU: 0 PID: 6349 Comm: udevd Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
Call Trace:
 <IRQ>
 dump_stack_lvl+0x188/0x24e lib/dump_stack.c:106
 ubsan_epilogue+0xa/0x30 lib/ubsan.c:151
 __ubsan_handle_out_of_bounds+0xdf/0xf0 lib/ubsan.c:282
 aiptek_irq+0x1e87/0x28f0 drivers/input/tablet/aiptek.c:741
 __usb_hcd_giveback_urb+0x35d/0x520 drivers/usb/core/hcd.c:1673
 dummy_timer+0xa21/0x3420 drivers/usb/gadget/udc/dummy_hcd.c:2004
 __run_hrtimer kernel/time/hrtimer.c:1751 [inline]
 __hrtimer_run_queues+0x522/0xc90 kernel/time/hrtimer.c:1815
 hrtimer_run_softirq+0x173/0x290 kernel/time/hrtimer.c:1832
 handle_softirqs+0x291/0x910 kernel/softirq.c:596
 __do_softirq kernel/softirq.c:630 [inline]
 invoke_softirq kernel/softirq.c:470 [inline]
 __irq_exit_rcu+0x13b/0x230 kernel/softirq.c:679
 irq_exit_rcu+0x5/0x20 kernel/softirq.c:691
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1118 [inline]
 sysvec_apic_timer_interrupt+0xa0/0xc0 arch/x86/kernel/apic/apic.c:1118
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:691
RIP: 0010:__orc_find arch/x86/kernel/unwind_orc.c:49 [inline]
RIP: 0010:orc_find arch/x86/kernel/unwind_orc.c:178 [inline]
RIP: 0010:unwind_next_frame+0x1233/0x1fd0 arch/x86/kernel/unwind_orc.c:448
Code: 00 00 fc ff df 0f b6 04 08 84 c0 75 27 49 63 07 4c 01 f8 49 8d 4f 04 4c 39 f0 48 0f 46 e9 49 8d 47 fc 4c 0f 47 e8 4d 0f 46 e7 <4c> 39 ed 76 a8 e9 ec ef ff ff 44 89 f9 80 e1 07 80 c1 03 38 c1 7c
RSP: 0018:ffffc9000cfe7120 EFLAGS: 00000287
RAX: ffffffff8e379a90 RBX: ffffc9000cfe71c8 RCX: ffffffff8e379a98
RDX: ffffffff8eab056c RSI: ffffffff8e379a94 RDI: ffffffff8138fb37
RBP: ffffffff8e379a98 R08: 0000000000000001 R09: 0000000000000007
R10: dffffc0000000000 R11: fffff520019fce45 R12: ffffffff8e379a94
R13: ffffffff8e379a94 R14: ffffffff81e0a2fc R15: ffffffff8e379a94
 arch_stack_walk+0x10c/0x140 arch/x86/kernel/stacktrace.c:25
 stack_trace_save+0xa6/0xf0 kernel/stacktrace.c:122
 kasan_save_stack mm/kasan/common.c:46 [inline]
 kasan_set_track+0x4b/0x70 mm/kasan/common.c:53
 ____kasan_kmalloc mm/kasan/common.c:375 [inline]
 __kasan_kmalloc+0x8e/0xa0 mm/kasan/common.c:384
 kasan_kmalloc include/linux/kasan.h:211 [inline]
 __do_kmalloc_node mm/slab_common.c:936 [inline]
 __kmalloc+0xb3/0x240 mm/slab_common.c:949
 kmalloc include/linux/slab.h:568 [inline]
 kzalloc include/linux/slab.h:699 [inline]
 tomoyo_encode2 security/tomoyo/realpath.c:45 [inline]
 tomoyo_encode+0x28a/0x550 security/tomoyo/realpath.c:80
 tomoyo_realpath_from_path+0x578/0x5c0 security/tomoyo/realpath.c:283
 tomoyo_get_realpath security/tomoyo/file.c:151 [inline]
 tomoyo_check_open_permission+0x212/0x440 security/tomoyo/file.c:771
 security_file_open+0x5e/0xa0 security/security.c:1682
 do_dentry_open+0x2fd/0x10b0 fs/open.c:869
 do_open fs/namei.c:3634 [inline]
 path_openat+0x2674/0x2f10 fs/namei.c:3791
 do_filp_open+0x1ee/0x420 fs/namei.c:3818
 do_sys_openat2+0x14b/0x4f0 fs/open.c:1320
 do_sys_open fs/open.c:1336 [inline]
 __do_sys_openat fs/open.c:1352 [inline]
 __se_sys_openat fs/open.c:1347 [inline]
 __x64_sys_openat+0x135/0x160 fs/open.c:1347
 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: 0033:0x7fe54aaa7407
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:00007ffd096f78c0 EFLAGS: 00000202 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007fe54b181880 RCX: 00007fe54aaa7407
RDX: 0000000000080000 RSI: 0000558ef5465cc0 RDI: ffffffffffffff9c
RBP: 0000558ef5469830 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd09708080
R13: 0000000000000003 R14: 0000558ecd81500c R15: 0000000000000000
 </TASK>
================================================================================
----------------
Code disassembly (best guess), 5 bytes skipped:
   0:	0f b6 04 08          	movzbl (%rax,%rcx,1),%eax
   4:	84 c0                	test   %al,%al
   6:	75 27                	jne    0x2f
   8:	49 63 07             	movslq (%r15),%rax
   b:	4c 01 f8             	add    %r15,%rax
   e:	49 8d 4f 04          	lea    0x4(%r15),%rcx
  12:	4c 39 f0             	cmp    %r14,%rax
  15:	48 0f 46 e9          	cmovbe %rcx,%rbp
  19:	49 8d 47 fc          	lea    -0x4(%r15),%rax
  1d:	4c 0f 47 e8          	cmova  %rax,%r13
  21:	4d 0f 46 e7          	cmovbe %r15,%r12
* 25:	4c 39 ed             	cmp    %r13,%rbp <-- trapping instruction
  28:	76 a8                	jbe    0xffffffd2
  2a:	e9 ec ef ff ff       	jmp    0xfffff01b
  2f:	44 89 f9             	mov    %r15d,%ecx
  32:	80 e1 07             	and    $0x7,%cl
  35:	80 c1 03             	add    $0x3,%cl
  38:	38 c1                	cmp    %al,%cl
  3a:	7c                   	.byte 0x7c