loop0: detected capacity change from 0 to 32768
BTRFS: device fsid 14d642db-7b15-43e4-81e6-4b8fac6a25f8 devid 1 transid 8 /dev/loop0 (7:0) scanned by syz.0.0 (5318)
BTRFS info (device loop0): first mount of filesystem 14d642db-7b15-43e4-81e6-4b8fac6a25f8
BTRFS info (device loop0): using blake2b checksum algorithm
BTRFS warning (device loop0): couldn't read tree root
BTRFS error (device loop0): open_ctree failed: -EIO
netlink: 4 bytes leftover after parsing attributes in process `syz.0.0'.
openvswitch: netlink: Missing key (keys=40, expected=10000000)
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.
=======================================================
(syz.0.0,5318,0):ocfs2_read_locked_inode:648 ERROR: bug expression: !!(fe->i_flags & cpu_to_le32(OCFS2_SYSTEM_FL)) != !!(args->fi_flags & OCFS2_FI_FLAG_SYSFILE)
(syz.0.0,5318,0):ocfs2_read_locked_inode:648 ERROR: Inode 69: system file state is ambiguous
------------[ cut here ]------------
kernel BUG at fs/ocfs2/inode.c:648!
Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI
CPU: 0 UID: 0 PID: 5318 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 04/01/2014
RIP: 0010:ocfs2_read_locked_inode fs/ocfs2/inode.c:645 [inline]
RIP: 0010:ocfs2_iget+0x1a83/0x1b10 fs/ocfs2/inode.c:191
Code: 00 4c 8b 84 24 80 01 00 00 4c 89 f7 48 c7 c6 28 66 70 8e ba 88 02 00 00 48 c7 c1 e0 04 56 8c e8 23 be 16 00 41 c6 45 24 f8 90 <0f> 0b e8 a6 3c da fd 90 0f 0b e8 9e 3c da fd 48 c7 c7 c0 dc db 8e
RSP: 0018:ffffc9000148ec20 EFLAGS: 00010246
RAX: 96f31212cc52da00 RBX: ffffc9000148ed40 RCX: 96f31212cc52da00
RDX: ffffc9000eb22000 RSI: 0000000000005055 RDI: 0000000000005056
RBP: ffffc9000148ee70 R08: ffffc9000148e847 R09: 1ffff92000291d08
R10: dffffc0000000000 R11: fffff52000291d09 R12: ffff888011f2fa2c
R13: fffff52000291d88 R14: ffffc9000148ed60 R15: 1000000000000000
FS:  00007fc9412106c0(0000) GS:ffff88808c2cd000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f24ca9e7000 CR3: 00000000124bb000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 _ocfs2_get_system_file_inode fs/ocfs2/sysfile.c:139 [inline]
 ocfs2_get_system_file_inode+0x35d/0x810 fs/ocfs2/sysfile.c:110
 ocfs2_init_global_system_inodes+0x318/0x6e0 fs/ocfs2/super.c:461
 ocfs2_initialize_super fs/ocfs2/super.c:2192 [inline]
 ocfs2_fill_super+0x456e/0x6840 fs/ocfs2/super.c:993
 get_tree_bdev_flags+0x430/0x4f0 fs/super.c:1887
 vfs_get_tree+0x92/0x2a0 fs/super.c:1947
 fc_mount fs/namespace.c:1198 [inline]
 do_new_mount_fc fs/namespace.c:3772 [inline]
 do_new_mount+0x319/0xdc0 fs/namespace.c:3848
 do_mount fs/namespace.c:4181 [inline]
 __do_sys_mount fs/namespace.c:4397 [inline]
 __se_sys_mount+0x31d/0x420 fs/namespace.c:4374
 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline]
 do_syscall_64+0x166/0x520 arch/x86/entry/syscall_64.c:84
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fc94039f3ca
Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fc94120fe18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007fc94120fea0 RCX: 00007fc94039f3ca
RDX: 00002000000003c0 RSI: 0000200000000480 RDI: 00007fc94120fe60
RBP: 00002000000003c0 R08: 00007fc94120fea0 R09: 00000000000008c0
R10: 00000000000008c0 R11: 0000000000000246 R12: 0000200000000480
R13: 00007fc94120fe60 R14: 000000000000443e R15: 0000200000000780
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:ocfs2_read_locked_inode fs/ocfs2/inode.c:645 [inline]
RIP: 0010:ocfs2_iget+0x1a83/0x1b10 fs/ocfs2/inode.c:191
Code: 00 4c 8b 84 24 80 01 00 00 4c 89 f7 48 c7 c6 28 66 70 8e ba 88 02 00 00 48 c7 c1 e0 04 56 8c e8 23 be 16 00 41 c6 45 24 f8 90 <0f> 0b e8 a6 3c da fd 90 0f 0b e8 9e 3c da fd 48 c7 c7 c0 dc db 8e
RSP: 0018:ffffc9000148ec20 EFLAGS: 00010246
RAX: 96f31212cc52da00 RBX: ffffc9000148ed40 RCX: 96f31212cc52da00
RDX: ffffc9000eb22000 RSI: 0000000000005055 RDI: 0000000000005056
RBP: ffffc9000148ee70 R08: ffffc9000148e847 R09: 1ffff92000291d08
R10: dffffc0000000000 R11: fffff52000291d09 R12: ffff888011f2fa2c
R13: fffff52000291d88 R14: ffffc9000148ed60 R15: 1000000000000000
FS:  00007fc9412106c0(0000) GS:ffff88808c2cd000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f24cb194000 CR3: 00000000124bb000 CR4: 0000000000352ef0