================================================================================
UBSAN: array-index-out-of-bounds in drivers/input/tablet/aiptek.c:741:31
index 547 is out of range for type 'const int[34]'
CPU: 1 PID: 4262 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+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+0x1eaa/0x28f0 drivers/input/tablet/aiptek.c:741
__usb_hcd_giveback_urb+0x35f/0x520 drivers/usb/core/hcd.c:1675
dummy_timer+0x8d0/0x3330 drivers/usb/gadget/udc/dummy_hcd.c:2004
__run_hrtimer kernel/time/hrtimer.c:1751 [inline]
__hrtimer_run_queues+0x54a/0xd50 kernel/time/hrtimer.c:1815
hrtimer_run_softirq+0x183/0x2a0 kernel/time/hrtimer.c:1832
handle_softirqs+0x2a1/0x930 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
asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:691
RIP: 0010:put_cpu_partial+0x1b0/0x250 mm/slub.c:2666
Code: 3b 44 24 18 0f 85 b4 00 00 00 48 83 c4 20 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 1c 4c 5c 08 f7 c5 00 02 00 00 74 c0 fb 4d 85 e4 <75> bf eb c8 e8 87 3a 3b 02 85 c0 0f 84 e9 fe ff ff 83 3d 40 54 4d
RSP: 0018:ffffc90003d77630 EFLAGS: 00000246
RAX: 9e8fc976c9916600 RBX: ffff888140009640 RCX: 9e8fc976c9916600
RDX: dffffc0000000000 RSI: ffffffff8a8c1aa0 RDI: ffffffff8adf2060
RBP: 0000000000000286 R08: ffffffff90aff2f7 R09: 1ffffffff215fe5e
R10: dffffc0000000000 R11: fffffbfff215fe5f R12: 0000000000000000
R13: 0000000000000001 R14: ffff88802fdf0000 R15: ffff8880b8f41ed0
qlink_free mm/kasan/quarantine.c:168 [inline]
qlist_free_all+0x76/0xe0 mm/kasan/quarantine.c:187
kasan_quarantine_reduce+0x144/0x160 mm/kasan/quarantine.c:294
__kasan_slab_alloc+0x1e/0x80 mm/kasan/common.c:306
kasan_slab_alloc include/linux/kasan.h:201 [inline]
slab_post_alloc_hook+0x4b/0x480 mm/slab.h:737
slab_alloc_node mm/slub.c:3359 [inline]
__kmem_cache_alloc_node+0x140/0x260 mm/slub.c:3398
__do_kmalloc_node mm/slab_common.c:935 [inline]
__kmalloc_node_track_caller+0x9e/0x230 mm/slab_common.c:956
kvasprintf+0xe8/0x1a0 lib/kasprintf.c:25
kasprintf+0xdf/0x130 lib/kasprintf.c:59
device_get_devnode+0xab/0x290 drivers/base/core.c:3997
dev_uevent+0x162/0x740 drivers/base/core.c:2581
uevent_show+0x1a2/0x320 drivers/base/core.c:2671
dev_attr_show+0x50/0xb0 drivers/base/core.c:2372
sysfs_kf_seq_show+0x349/0x4b0 fs/sysfs/file.c:59
seq_read_iter+0x49b/0xd50 fs/seq_file.c:230
call_read_iter include/linux/fs.h:2259 [inline]
new_sync_read fs/read_write.c:389 [inline]
vfs_read+0x4a7/0xa00 fs/read_write.c:470
ksys_read+0x14c/0x250 fs/read_write.c:613
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: 0033:0x7fe2cd0a7407
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:00007ffcb236e670 EFLAGS: 00000202 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007fe2cd7b7880 RCX: 00007fe2cd0a7407
RDX: 0000000000001000 RSI: 000055b9383ae550 RDI: 0000000000000008
RBP: 00007fe2cd1efff0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000202 R12: 000000000000000a
R13: 00007fe2cd1efea0 R14: 0000000000000000 R15: 000055b93838b280
================================================================================
----------------
Code disassembly (best guess):
0: 3b 44 24 18 cmp 0x18(%rsp),%eax
4: 0f 85 b4 00 00 00 jne 0xbe
a: 48 83 c4 20 add $0x20,%rsp
e: 5b pop %rbx
f: 41 5c pop %r12
11: 41 5d pop %r13
13: 41 5e pop %r14
15: 41 5f pop %r15
17: 5d pop %rbp
18: c3 ret
19: e8 1c 4c 5c 08 call 0x85c4c3a
1e: f7 c5 00 02 00 00 test $0x200,%ebp
24: 74 c0 je 0xffffffe6
26: fb sti
27: 4d 85 e4 test %r12,%r12
* 2a: 75 bf jne 0xffffffeb <-- trapping instruction
2c: eb c8 jmp 0xfffffff6
2e: e8 87 3a 3b 02 call 0x23b3aba
33: 85 c0 test %eax,%eax
35: 0f 84 e9 fe ff ff je 0xffffff24
3b: 83 .byte 0x83
3c: 3d .byte 0x3d
3d: 40 54 rex push %rsp
3f: 4d rex.WRB