EXT4-fs error (device loop0): ext4_orphan_get:1401: inode #11: comm syz.0.263: iget: bad extra_isize 2 (inode size 256)
EXT4-fs error (device loop0): ext4_orphan_get:1406: comm syz.0.263: couldn't read orphan inode 11 (err -117)
EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none.
Internal error: Oops - BTI: 0000000036000001 [#1] PREEMPT SMP
Modules linked in:
CPU: 1 PID: 5250 Comm: syz.0.263 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+0x124c/0x2370 fs/ioctl.c:821
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+0x11fc/0x2370 fs/ioctl.c:821
sp : ffff800020137a00
x29: ffff800020137cd0 x28: dfff800000000000 x27: ffff700004026f48
x26: 1fffe000199776d0 x25: ffff800020137a40 x24: 0000000000000002
x23: 1fffe0001a17ae28 x22: 00000000fffffff2 x21: 0000000020000000
x20: ffff0000d0bd7140 x19: ffff0000c08aa018 x18: 0000000000000000
x17: 0000000000000002 x16: ffff8000089228d0 x15: 00000000c020660b
x14: 0000000000ff0100 x13: 1ffff0000282e06b x12: 0000000000080000
x11: 0000000000000a39 x10: ffff8000214cb000 x9 : 0000ffffffffffff
x8 : 0000000000001000 x7 : ffff800008750ed4 x6 : 0000000000000000
x5 : 0000000000000000 x4 : 0000000000000001 x3 : 0000000000000001
x2 : 0000000000000008 x1 : 0000000000000001 x0 : 0000000000000000
Call trace:
 do_vfs_ioctl+0x124c/0x2370 fs/ioctl.c:821
 __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: 97fc68c8 2a1f03f6 b9400268 b8000aa8 (14000282) 
---[ end trace 6f0d1cb7cbb15472 ]---
----------------
Code disassembly (best guess):
   0:	97fc68c8 	bl	0xfffffffffff1a320
   4:	2a1f03f6 	mov	w22, wzr
   8:	b9400268 	ldr	w8, [x19]
   c:	b8000aa8 	sttr	w8, [x21]
* 10:	14000282 	b	0xa18 <-- trapping instruction