WARNING: The mand mount option has been deprecated and
         and is ignored by this kernel. Remove the mand
         option from the mount to silence this warning.
=======================================================
ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode.
Oops: general protection fault, probably for non-canonical address 0xdffffc0000000001: 0000 [#1] SMP KASAN PTI
KASAN: null-ptr-deref in range [0x0000000000000008-0x000000000000000f]
CPU: 1 UID: 0 PID: 6049 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
RIP: 0010:ocfs2_find_dir_space_id fs/ocfs2/dir.c:3432 [inline]
RIP: 0010:ocfs2_prepare_dir_for_insert+0x2f41/0x5450 fs/ocfs2/dir.c:4296
Code: ea 8b e8 12 9b 19 00 e9 fd 11 00 00 e8 b8 88 20 fe e9 a7 02 00 00 e8 ae 88 20 fe 49 8d 7f 08 4d 8d 77 09 48 89 f8 48 c1 e8 03 <42> 0f b6 04 20 84 c0 0f 85 41 20 00 00 4c 89 f0 48 c1 e8 03 42 0f
RSP: 0018:ffffc9000f10e320 EFLAGS: 00010202
RAX: 0000000000000001 RBX: ffff88805aeede48 RCX: ffff888030750000
RDX: 0000000000000000 RSI: 0000000000000400 RDI: 0000000000000008
RBP: ffffc9000f10ea30 R08: ffffc9000f10ec90 R09: 608b7c562adf3b03
R10: 23ec6d672c196c9a R11: 608b7c562adf3b03 R12: dffffc0000000000
R13: ffff88805aeeddf8 R14: 0000000000000009 R15: 0000000000000000
FS:  0000555576fe8500(0000) GS:ffff888125afc000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f40cec14000 CR3: 00000000732f6000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 __ocfs2_prepare_orphan_dir+0x145/0x2c0 fs/ocfs2/namei.c:2179
 ocfs2_prepare_orphan_dir+0xf9/0x3f0 fs/ocfs2/namei.c:2224
 ocfs2_add_inode_to_orphan+0x1d6/0x710 fs/ocfs2/namei.c:2672
 ocfs2_dio_wr_get_block+0x7ea/0x1770 fs/ocfs2/aops.c:2186
 get_more_blocks fs/direct-io.c:648 [inline]
 do_direct_IO fs/direct-io.c:936 [inline]
 __blockdev_direct_IO+0x16ff/0x3490 fs/direct-io.c:1243
 ocfs2_direct_IO+0x25f/0x2d0 fs/ocfs2/aops.c:2441
 generic_file_direct_write+0x1db/0x3e0 mm/filemap.c:4176
 __generic_file_write_iter+0x11d/0x230 mm/filemap.c:4345
 ocfs2_file_write_iter+0x157a/0x1d10 fs/ocfs2/file.c:2469
 iter_file_splice_write+0x975/0x10e0 fs/splice.c:738
 do_splice_from fs/splice.c:938 [inline]
 direct_splice_actor+0x101/0x160 fs/splice.c:1161
 splice_direct_to_actor+0x5a8/0xcc0 fs/splice.c:1105
 do_splice_direct_actor fs/splice.c:1204 [inline]
 do_splice_direct+0x181/0x270 fs/splice.c:1230
 do_sendfile+0x4da/0x7e0 fs/read_write.c:1370
 __do_sys_sendfile64 fs/read_write.c:1431 [inline]
 __se_sys_sendfile64+0x13e/0x190 fs/read_write.c:1417
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0xfa0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f725858eec9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fff9d357c28 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
RAX: ffffffffffffffda RBX: 00007f72587e5fa0 RCX: 00007f725858eec9
RDX: 0000000000000000 RSI: 0000000000000005 RDI: 0000000000000004
RBP: 00007f7258611f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000080000002 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f72587e5fa0 R14: 00007f72587e5fa0 R15: 0000000000000004
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:ocfs2_find_dir_space_id fs/ocfs2/dir.c:3432 [inline]
RIP: 0010:ocfs2_prepare_dir_for_insert+0x2f41/0x5450 fs/ocfs2/dir.c:4296
Code: ea 8b e8 12 9b 19 00 e9 fd 11 00 00 e8 b8 88 20 fe e9 a7 02 00 00 e8 ae 88 20 fe 49 8d 7f 08 4d 8d 77 09 48 89 f8 48 c1 e8 03 <42> 0f b6 04 20 84 c0 0f 85 41 20 00 00 4c 89 f0 48 c1 e8 03 42 0f
RSP: 0018:ffffc9000f10e320 EFLAGS: 00010202
RAX: 0000000000000001 RBX: ffff88805aeede48 RCX: ffff888030750000
RDX: 0000000000000000 RSI: 0000000000000400 RDI: 0000000000000008
RBP: ffffc9000f10ea30 R08: ffffc9000f10ec90 R09: 608b7c562adf3b03
R10: 23ec6d672c196c9a R11: 608b7c562adf3b03 R12: dffffc0000000000
R13: ffff88805aeeddf8 R14: 0000000000000009 R15: 0000000000000000
FS:  0000555576fe8500(0000) GS:ffff8881259fc000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b32263fff CR3: 00000000732f6000 CR4: 00000000003526f0
----------------
Code disassembly (best guess), 1 bytes skipped:
   0:	8b e8                	mov    %eax,%ebp
   2:	12 9b 19 00 e9 fd    	adc    -0x216ffe7(%rbx),%bl
   8:	11 00                	adc    %eax,(%rax)
   a:	00 e8                	add    %ch,%al
   c:	b8 88 20 fe e9       	mov    $0xe9fe2088,%eax
  11:	a7                   	cmpsl  %es:(%rdi),%ds:(%rsi)
  12:	02 00                	add    (%rax),%al
  14:	00 e8                	add    %ch,%al
  16:	ae                   	scas   %es:(%rdi),%al
  17:	88 20                	mov    %ah,(%rax)
  19:	fe 49 8d             	decb   -0x73(%rcx)
  1c:	7f 08                	jg     0x26
  1e:	4d 8d 77 09          	lea    0x9(%r15),%r14
  22:	48 89 f8             	mov    %rdi,%rax
  25:	48 c1 e8 03          	shr    $0x3,%rax
* 29:	42 0f b6 04 20       	movzbl (%rax,%r12,1),%eax <-- trapping instruction
  2e:	84 c0                	test   %al,%al
  30:	0f 85 41 20 00 00    	jne    0x2077
  36:	4c 89 f0             	mov    %r14,%rax
  39:	48 c1 e8 03          	shr    $0x3,%rax
  3d:	42                   	rex.X
  3e:	0f                   	.byte 0xf