Internal error: Oops - BTI: 0000000036000001 [#1] PREEMPT SMP
Modules linked in:
CPU: 0 PID: 6395 Comm: syz.5.499 Not tainted 5.15.189-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
pstate: 42400405 (nZcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=jc)
pc : do_vfs_ioctl+0x15e8/0x2370 fs/ioctl.c:836
lr : sign_extend64 include/linux/bitops.h:183 [inline]
lr : __uaccess_mask_ptr arch/arm64/include/asm/uaccess.h:244 [inline]
lr : do_vfs_ioctl+0x158c/0x2370 fs/ioctl.c:836
sp : ffff80001fcc7a00
x29: ffff80001fcc7cd0 x28: dfff800000000000 x27: ffff700003f98f48
x26: 1fffe0001b566368 x25: ffff80001fcc7a40 x24: 000000000000541b
x23: 0000000000000000 x22: 00000000fffffff2 x21: ffff0000c1d7e4f8
x20: 0000000000000000 x19: ffff0000d54d3a18 x18: 0000000000000000
x17: 0000000000000002 x16: ffff800008922c6c x15: 00000000c020660b
x14: 0000000000ff0100 x13: 1ffff0000282e06b x12: 0000000000080000
x11: 0000000000000b80 x10: 1fffe000183afc9f x9 : 0000ffffffffffff
x8 : 0000000000000000 x7 : ffff800008750ed4 x6 : 0000000000000000
x5 : 0000000000000000 x4 : 0000000000000001 x3 : 0000000000000001
x2 : 0000000000000008 x1 : 0000000000000001 x0 : 0000000000000000
Call trace:
 do_vfs_ioctl+0x15e8/0x2370 fs/ioctl.c:836
 __do_sys_ioctl fs/ioctl.c:872 [inline]
 __se_sys_ioctl fs/ioctl.c:860 [inline]
 __arm64_sys_ioctl+0xe4/0x1c8 fs/ioctl.c:860
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181
 el0_svc+0x78/0x1e0 arch/arm64/kernel/entry-common.c:608
 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626
 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584
Code: b9400268 2a1f03f6 4b080288 b8000ae8 (1400019b) 
---[ end trace 13e45a612630dd1e ]---
----------------
Code disassembly (best guess):
   0:	b9400268 	ldr	w8, [x19]
   4:	2a1f03f6 	mov	w22, wzr
   8:	4b080288 	sub	w8, w20, w8
   c:	b8000ae8 	sttr	w8, [x23]
* 10:	1400019b 	b	0x67c <-- trapping instruction