UBSAN: array-index-out-of-bounds in aiptek

Kernel	Title	Rank 🛈	Repro	Count	Last	Reported	Patched	Status
linux-6.1	UBSAN: array-index-out-of-bounds in aiptek_irq	15	C	15	7h32m	4d03h	0/3	upstream: reported C repro on 2026/06/10 19:26
android-6-1	UBSAN: array-index-out-of-bounds in aiptek_irq origin:upstream	15	C	38	10m	4d07h	0/2	upstream: reported C repro on 2026/06/10 15:23
android-6-12	UBSAN: array-index-out-of-bounds in aiptek_irq	15	C	95	4h17m	4d10h	0/1	premoderation: reported C repro on 2026/06/10 12:41
linux-5.15	UBSAN: array-index-out-of-bounds in aiptek_irq origin:lts-only	15	C	3	1d08h	4d05h	0/3	upstream: reported C repro on 2026/06/10 17:51
android-5-15	UBSAN: array-index-out-of-bounds in aiptek_irq	15	C	6	1d12h	3d16h	0/2	upstream: reported C repro on 2026/06/11 06:49
android-5-10	UBSAN: array-index-out-of-bounds in aiptek_irq	15	C	15	3d15h	4d09h	0/2	upstream: reported C repro on 2026/06/10 13:22

================================================================================ UBSAN: array-index-out-of-bounds in drivers/input/tablet/aiptek.c:741:31 index 1319 is out of range for type 'const int[34]' CPU: 0 PID: 5898 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+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+0x1ea9/0x28f0 drivers/input/tablet/aiptek.c:741 __usb_hcd_giveback_urb+0x35f/0x520 drivers/usb/core/hcd.c:1650 dummy_timer+0x8de/0x3320 drivers/usb/gadget/udc/dummy_hcd.c:2003 __run_hrtimer kernel/time/hrtimer.c:1754 [inline] __hrtimer_run_queues+0x520/0xc40 kernel/time/hrtimer.c:1818 hrtimer_run_softirq+0x187/0x2b0 kernel/time/hrtimer.c:1835 handle_softirqs+0x280/0x820 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 </IRQ> <TASK> asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:687 RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline] RIP: 0010:_raw_spin_unlock_irqrestore+0xc0/0x120 kernel/locking/spinlock.c:194 Code: c7 44 24 20 00 00 00 00 9c 8f 44 24 20 f7 44 24 20 00 02 00 00 41 c6 04 07 f8 75 4b f7 c3 00 02 00 00 74 01 fb bf 01 00 00 00 <e8> 2b 88 ca f6 65 8b 05 bc b0 71 75 85 c0 74 3c 48 c7 04 24 0e 36 RSP: 0018:ffffc90003c47780 EFLAGS: 00000206 RAX: dffffc0000000004 RBX: 0000000000000a06 RCX: 05925e5e22647900 RDX: dffffc0000000000 RSI: ffffffff8acacbe0 RDI: 0000000000000001 RBP: ffffc90003c47800 R08: ffffffff911cd53f R09: 1ffffffff2239aa7 R10: dffffc0000000000 R11: fffffbfff2239aa8 R12: dffffc0000000000 R13: ffff88802ef6e000 R14: ffffffff9759c230 R15: 1ffff92000788ef0 __debug_check_no_obj_freed lib/debugobjects.c:999 [inline] debug_check_no_obj_freed+0x51f/0x540 lib/debugobjects.c:1020 slab_free_hook mm/slub.c:1786 [inline] slab_free_freelist_hook+0xd2/0x1a0 mm/slub.c:1837 slab_free mm/slub.c:3830 [inline] __kmem_cache_free+0xba/0x1e0 mm/slub.c:3843 tomoyo_realpath_from_path+0x59d/0x5d0 security/tomoyo/realpath.c:286 tomoyo_get_realpath security/tomoyo/file.c:151 [inline] tomoyo_path_perm+0x282/0x560 security/tomoyo/file.c:822 security_inode_getattr+0xd3/0x120 security/security.c:2154 vfs_getattr fs/stat.c:173 [inline] vfs_statx+0x172/0x680 fs/stat.c:248 vfs_fstatat+0x12a/0x1b0 fs/stat.c:299 __do_sys_newfstatat fs/stat.c:463 [inline] __se_sys_newfstatat fs/stat.c:457 [inline] __x64_sys_newfstatat+0x149/0x1f0 fs/stat.c:457 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: 0033:0x7f5df6f11b0a 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:00007ffc33cdedc8 EFLAGS: 00000206 ORIG_RAX: 0000000000000106 RAX: ffffffffffffffda RBX: 00005633434636b2 RCX: 00007f5df6f11b0a RDX: 00007ffc33cdedd0 RSI: 00007ffc33cdee60 RDI: 00000000ffffff9c RBP: 0000563372367290 R08: 00005633434636b2 R09: 0000000000000000 R10: 0000000000000100 R11: 0000000000000206 R12: 0000563372367380 R13: 00007ffc33cdee60 R14: 000056334346300c R15: 0000563343469bcc </TASK> ================================================================================ ---------------- Code disassembly (best guess): 0: c7 44 24 20 00 00 00 movl $0x0,0x20(%rsp) 7: 00 8: 9c pushf 9: 8f 44 24 20 pop 0x20(%rsp) d: f7 44 24 20 00 02 00 testl $0x200,0x20(%rsp) 14: 00 15: 41 c6 04 07 f8 movb $0xf8,(%r15,%rax,1) 1a: 75 4b jne 0x67 1c: f7 c3 00 02 00 00 test $0x200,%ebx 22: 74 01 je 0x25 24: fb sti 25: bf 01 00 00 00 mov $0x1,%edi * 2a: e8 2b 88 ca f6 call 0xf6ca885a <-- trapping instruction 2f: 65 8b 05 bc b0 71 75 mov %gs:0x7571b0bc(%rip),%eax # 0x7571b0f2 36: 85 c0 test %eax,%eax 38: 74 3c je 0x76 3a: 48 rex.W 3b: c7 .byte 0xc7 3c: 04 24 add $0x24,%al 3e: 0e (bad) 3f: 36 ss

Time	Kernel	Commit	Syzkaller	Config	Log	Report	Syz repro	C repro	VM info	Assets (help?)	Manager	Title
2026/06/13 20:43	linux-6.6.y	924b4a879cbb	1d2f3589	.config	console log	report	syz / log	C		[disk image] [vmlinux] [kernel image]	ci2-linux-6-6-kasan	UBSAN: array-index-out-of-bounds in aiptek_irq
2026/06/14 15:41	linux-6.6.y	924b4a879cbb	1d2f3589	.config	console log	report			info	[disk image] [vmlinux] [kernel image]	ci2-linux-6-6-kasan	UBSAN: array-index-out-of-bounds in aiptek_irq
2026/06/14 02:21	linux-6.6.y	924b4a879cbb	1d2f3589	.config	console log	report			info	[disk image] [vmlinux] [kernel image]	ci2-linux-6-6-kasan	UBSAN: array-index-out-of-bounds in aiptek_irq
2026/06/13 22:35	linux-6.6.y	924b4a879cbb	1d2f3589	.config	console log	report			info	[disk image] [vmlinux] [kernel image]	ci2-linux-6-6-kasan	UBSAN: array-index-out-of-bounds in aiptek_irq
2026/06/13 22:34	linux-6.6.y	924b4a879cbb	1d2f3589	.config	console log	report			info	[disk image] [vmlinux] [kernel image]	ci2-linux-6-6-kasan	UBSAN: array-index-out-of-bounds in aiptek_irq
2026/06/13 16:25	linux-6.6.y	924b4a879cbb	1d2f3589	.config	console log	report			info	[disk image] [vmlinux] [kernel image]	ci2-linux-6-6-kasan	UBSAN: array-index-out-of-bounds in aiptek_irq
2026/06/12 09:10	linux-6.6.y	924b4a879cbb	e93da63e	.config	console log	report			info	[disk image] [vmlinux] [kernel image]	ci2-linux-6-6-kasan	UBSAN: array-index-out-of-bounds in aiptek_irq
2026/06/12 09:10	linux-6.6.y	924b4a879cbb	e93da63e	.config	console log	report			info	[disk image] [vmlinux] [kernel image]	ci2-linux-6-6-kasan	UBSAN: array-index-out-of-bounds in aiptek_irq
2026/06/11 12:14	linux-6.6.y	924b4a879cbb	b754d2d8	.config	console log	report			info	[disk image] [vmlinux] [kernel image]	ci2-linux-6-6-kasan	UBSAN: array-index-out-of-bounds in aiptek_irq
2026/06/10 20:15	linux-6.6.y	924b4a879cbb	f79bac11	.config	console log	report			info	[disk image] [vmlinux] [kernel image]	ci2-linux-6-6-kasan	UBSAN: array-index-out-of-bounds in aiptek_irq
2026/06/10 20:15	linux-6.6.y	924b4a879cbb	f79bac11	.config	console log	report			info	[disk image] [vmlinux] [kernel image]	ci2-linux-6-6-kasan	UBSAN: array-index-out-of-bounds in aiptek_irq
2026/06/10 20:14	linux-6.6.y	924b4a879cbb	f79bac11	.config	console log	report			info	[disk image] [vmlinux] [kernel image]	ci2-linux-6-6-kasan	UBSAN: array-index-out-of-bounds in aiptek_irq