loop0: detected capacity change from 0 to 128
FAT-fs (loop0): utf8 is not a recommended IO charset for FAT filesystems, filesystem will be case sensitive!
Internal error: Oops - BTI: 0000000036000001 [#1] PREEMPT SMP
Modules linked in:
CPU: 0 PID: 4211 Comm: syz.0.20 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 : fat_ioctl_set_attributes fs/fat/file.c:45 [inline]
pc : fat_generic_ioctl+0x51c/0xeac fs/fat/file.c:165
lr : fat_ioctl_set_attributes fs/fat/file.c:44 [inline]
lr : fat_generic_ioctl+0x4f8/0xeac fs/fat/file.c:165
sp : ffff80001fef7a80
x29: ffff80001fef7ba0 x28: 1fffe0001d459026 x27: 0000000000400140
x26: dfff800000000000 x25: ffff700003fdef54 x24: 0000000000000000
x23: 00000000fffffff2 x22: 0000000000004000 x21: ffff0000c7eef680
x20: 0000000000000000 x19: ffff0000ea2c8130 x18: 0000000000000000
x17: 0000000000000002 x16: ffff800008e464d4 x15: 00000000c0185879
x14: 0000000000ff0100 x13: 1ffff0000282e06b x12: 0000000000ff0100
x11: 0000000000000000 x10: 0000000000000000 x9 : 0000ffffffffffff
x8 : 0000000000000000 x7 : ffff800008750ed4 x6 : 0000000000000000
x5 : 0000000000000000 x4 : 0000000000000001 x3 : 0000000000000001
x2 : 0000000000000008 x1 : 0000000000000001 x0 : 0000000000000000
Call trace:
 fat_ioctl_set_attributes fs/fat/file.c:44 [inline]
 fat_generic_ioctl+0x51c/0xeac fs/fat/file.c:165
 fat_dir_ioctl+0x184/0x36c fs/fat/dir.c:804
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:874 [inline]
 __se_sys_ioctl fs/ioctl.c:860 [inline]
 __arm64_sys_ioctl+0x14c/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: d503229f 2a1f03f7 2a1f03e0 b8400954 (2a1703e1) 
---[ end trace 92c45c1eff3f81d2 ]---
----------------
Code disassembly (best guess):
   0:	d503229f 	csdb
   4:	2a1f03f7 	mov	w23, wzr
   8:	2a1f03e0 	mov	w0, wzr
   c:	b8400954 	ldtr	w20, [x10]
* 10:	2a1703e1 	mov	w1, w23 <-- trapping instruction