loop0: detected capacity change from 0 to 512
EXT2-fs (loop0): warning: mounting ext3 filesystem as ext2
Internal error: Oops - BTI: 0000000036000001 [#1] PREEMPT SMP
Modules linked in:
CPU: 1 PID: 4739 Comm: syz.0.17 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026
pstate: 42400405 (nZcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=jc)
pc : ext2_ioctl+0x548/0x8e4 fs/ext2/ioctl.c:74
lr : ext2_ioctl+0x524/0x8e4 fs/ext2/ioctl.c:74
sp : ffff80001fac7ce0
x29: ffff80001fac7ce0 x28: ffff0000c2549b40 x27: 0000000000000004
x26: 1fffe000184a9368 x25: 0000000000400140 x24: 0000000000000000
x23: dfff800000000000 x22: 0000000000000001 x21: ffff0000ccab3b80
x20: ffff0000ed890138 x19: 00000000fffffff2 x18: 0000000000000000
x17: 0000000000000000 x16: ffff800008de9718 x15: 000000000004ffff
x14: 0000000000000001 x13: 1ffff00002de548c x12: 0000000000000000
x11: ff80800008de96f4 x10: 0000000000000000 x9 : 0000ffffffffffff
x8 : 0000000000000000 x7 : 0000000000000000 x6 : 0000000000000000
x5 : ffff8000170d4b18 x4 : 0000000000000002 x3 : ffff8000082c5378
x2 : 0000000000000001 x1 : 0000000000000001 x0 : 0000000000000000
Call trace:
 ext2_ioctl+0x548/0x8e4 fs/ext2/ioctl.c:74
 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+0x98/0x28c arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x13c/0x258 arch/arm64/kernel/syscall.c:142
 do_el0_svc+0x5c/0x140 arch/arm64/kernel/syscall.c:181
 el0_svc+0x78/0x1d0 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 2a1f03f3 2a1f03e0 b8400958 (2a1303e1) 
---[ end trace 1372bad65d4eafeb ]---
----------------
Code disassembly (best guess):
   0:	d503229f 	csdb
   4:	2a1f03f3 	mov	w19, wzr
   8:	2a1f03e0 	mov	w0, wzr
   c:	b8400958 	ldtr	w24, [x10]
* 10:	2a1303e1 	mov	w1, w19 <-- trapping instruction