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	7	7h15m	22h40m	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	9	11h45m	1d02h	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	38	2h34m	1d05h	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	2	2h39m	1d00h	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	4	10h33m	11h17m	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	10h28m	1d04h	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 547 is out of range for type 'const int[34]' CPU: 0 PID: 5768 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:strlen+0x39/0x70 lib/string.c:425 Code: ff ff ff 49 be 00 00 00 00 00 fc ff df 48 89 fb 49 89 c7 48 89 d8 48 c1 e8 03 42 0f b6 04 30 84 c0 75 11 48 ff c3 49 8d 47 01 <42> 80 7c 3f 01 00 75 de eb 19 89 d9 80 e1 07 38 c1 7c e6 49 89 fc RSP: 0018:ffffc9000471f580 EFLAGS: 00000282 RAX: 000000000000003d RBX: ffff88807a39cff4 RCX: ffff888028508000 RDX: 0000000000000000 RSI: 0000000000008000 RDI: ffff88807a39cfb6 RBP: ffff88807a39c000 R08: ffff88807a39cfb6 R09: 0000000000000fb6 R10: ffff88807a39cfb6 R11: 0000000000000fb6 R12: dffffc0000000000 R13: ffff88807a39cfb6 R14: dffffc0000000000 R15: 000000000000003c __fortify_strlen include/linux/fortify-string.h:228 [inline] tomoyo_encode+0x31/0x540 security/tomoyo/realpath.c:80 tomoyo_realpath_from_path+0x592/0x5d0 security/tomoyo/realpath.c:283 tomoyo_get_realpath security/tomoyo/file.c:151 [inline] tomoyo_check_open_permission+0x224/0x460 security/tomoyo/file.c:771 security_file_open+0x62/0xa0 security/security.c:2855 do_dentry_open+0x380/0x1500 fs/open.c:916 do_open fs/namei.c:3640 [inline] path_openat+0x27f1/0x3230 fs/namei.c:3797 do_filp_open+0x1f5/0x430 fs/namei.c:3824 do_sys_openat2+0x134/0x1d0 fs/open.c:1421 do_sys_open fs/open.c:1436 [inline] __do_sys_openat fs/open.c:1452 [inline] __se_sys_openat fs/open.c:1447 [inline] __x64_sys_openat+0x139/0x160 fs/open.c:1447 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: 0033:0x7f2c68ea7407 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:00007ffc6b987f00 EFLAGS: 00000202 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00007f2c69551880 RCX: 00007f2c68ea7407 RDX: 0000000000080000 RSI: 00007ffc6b988080 RDI: ffffffffffffff9c RBP: 0000000000000008 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000202 R12: 000055ea391387f5 R13: 000055ea391387f5 R14: 0000000000000001 R15: 000055ea39153140 </TASK> ================================================================================ ---------------- Code disassembly (best guess), 2 bytes skipped: 0: ff 49 be decl -0x42(%rcx) 3: 00 00 add %al,(%rax) 5: 00 00 add %al,(%rax) 7: 00 fc add %bh,%ah 9: ff lcall (bad) a: df 48 89 fisttps -0x77(%rax) d: fb sti e: 49 89 c7 mov %rax,%r15 11: 48 89 d8 mov %rbx,%rax 14: 48 c1 e8 03 shr $0x3,%rax 18: 42 0f b6 04 30 movzbl (%rax,%r14,1),%eax 1d: 84 c0 test %al,%al 1f: 75 11 jne 0x32 21: 48 ff c3 inc %rbx 24: 49 8d 47 01 lea 0x1(%r15),%rax * 28: 42 80 7c 3f 01 00 cmpb $0x0,0x1(%rdi,%r15,1) <-- trapping instruction 2e: 75 de jne 0xe 30: eb 19 jmp 0x4b 32: 89 d9 mov %ebx,%ecx 34: 80 e1 07 and $0x7,%cl 37: 38 c1 cmp %al,%cl 39: 7c e6 jl 0x21 3b: 49 89 fc mov %rdi,%r12

Crashes (4):
Time	Kernel	Commit	Syzkaller	Config	Log	Report	VM info	Assets (help?)	Manager	Title
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

Crashes (4):

Assets (help?)