loop0: detected capacity change from 0 to 32768
=======================================================
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: Slot 0 on device (7,0) was already allocated to this node!
------------[ cut here ]------------
kernel BUG at fs/ocfs2/inode.c:414!
Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI
CPU: 0 UID: 0 PID: 5340 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
RIP: 0010:ocfs2_populate_inode+0x1741/0x1760 fs/ocfs2/inode.c:414
Code: c6 bf 02 00 00 00 e8 6e ad 16 fe 45 84 f6 75 2a e8 64 aa 16 fe 48 8b 5c 24 10 4c 8b 64 24 18 e9 f3 f1 ff ff e8 50 aa 16 fe 90 <0f> 0b e8 48 aa 16 fe 90 0f 0b 90 e9 f7 fe ff ff e8 3a aa 16 fe e8
RSP: 0018:ffffc9000b756c40 EFLAGS: 00010287
RAX: ffffffff83ab1600 RBX: ffff88801ecb3338 RCX: 0000000000100000
RDX: ffffc900209b2000 RSI: 000000000000a38a RDI: 000000000000a38b
RBP: ffffc9000b756d70 R08: ffffffff8fa21b77 R09: 1ffffffff1f4436e
R10: dffffc0000000000 R11: fffffbfff1f4436f R12: ffff88803b2aea2c
R13: dffffc0000000000 R14: 0000000000000020 R15: 0000000000000000
FS:  00007fd03d75d6c0(0000) GS:ffff88808d22f000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fa04509c000 CR3: 0000000037933000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 ocfs2_read_locked_inode fs/ocfs2/inode.c:620 [inline]
 ocfs2_iget+0xda6/0x1a30 fs/ocfs2/inode.c:157
 _ocfs2_get_system_file_inode fs/ocfs2/sysfile.c:142 [inline]
 ocfs2_get_system_file_inode+0x356/0x770 fs/ocfs2/sysfile.c:112
 ocfs2_init_local_system_inodes fs/ocfs2/super.c:491 [inline]
 ocfs2_mount_volume fs/ocfs2/super.c:1756 [inline]
 ocfs2_fill_super+0x4165/0x63a0 fs/ocfs2/super.c:1083
 get_tree_bdev_flags+0x40e/0x4d0 fs/super.c:1691
 vfs_get_tree+0x92/0x2a0 fs/super.c:1751
 fc_mount fs/namespace.c:1199 [inline]
 do_new_mount_fc fs/namespace.c:3636 [inline]
 do_new_mount+0x302/0xa10 fs/namespace.c:3712
 do_mount fs/namespace.c:4035 [inline]
 __do_sys_mount fs/namespace.c:4224 [inline]
 __se_sys_mount+0x313/0x410 fs/namespace.c:4201
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fd03c990f6a
Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 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:00007fd03d75ce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007fd03d75cef0 RCX: 00007fd03c990f6a
RDX: 0000200000004440 RSI: 0000200000000040 RDI: 00007fd03d75ceb0
RBP: 0000200000004440 R08: 00007fd03d75cef0 R09: 00000000000008c0
R10: 00000000000008c0 R11: 0000000000000246 R12: 0000200000000040
R13: 00007fd03d75ceb0 R14: 0000000000004465 R15: 0000200000000080
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:ocfs2_populate_inode+0x1741/0x1760 fs/ocfs2/inode.c:414
Code: c6 bf 02 00 00 00 e8 6e ad 16 fe 45 84 f6 75 2a e8 64 aa 16 fe 48 8b 5c 24 10 4c 8b 64 24 18 e9 f3 f1 ff ff e8 50 aa 16 fe 90 <0f> 0b e8 48 aa 16 fe 90 0f 0b 90 e9 f7 fe ff ff e8 3a aa 16 fe e8
RSP: 0018:ffffc9000b756c40 EFLAGS: 00010287
RAX: ffffffff83ab1600 RBX: ffff88801ecb3338 RCX: 0000000000100000
RDX: ffffc900209b2000 RSI: 000000000000a38a RDI: 000000000000a38b
RBP: ffffc9000b756d70 R08: ffffffff8fa21b77 R09: 1ffffffff1f4436e
R10: dffffc0000000000 R11: fffffbfff1f4436f R12: ffff88803b2aea2c
R13: dffffc0000000000 R14: 0000000000000020 R15: 0000000000000000
FS:  00007fd03d75d6c0(0000) GS:ffff88808d22f000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055661a38af00 CR3: 0000000037933000 CR4: 0000000000352ef0