loop0: detected capacity change from 0 to 32768
------------[ cut here ]------------
kernel BUG at fs/ocfs2/inode.c:414!
Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI
CPU: 0 UID: 0 PID: 5797 Comm: syz.0.15 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 ce 04 17 fe 45 84 f6 75 2a e8 c4 01 17 fe 48 8b 5c 24 10 4c 8b 64 24 18 e9 f3 f1 ff ff e8 b0 01 17 fe 90 <0f> 0b e8 a8 01 17 fe 90 0f 0b 90 e9 f7 fe ff ff e8 9a 01 17 fe e8
RSP: 0018:ffffc90008936ae0 EFLAGS: 00010293
RAX: ffffffff83aa03a0 RBX: ffff888000564fb8 RCX: ffff88801fa80000
RDX: 0000000000000000 RSI: 0000000000000020 RDI: 0000000000000000
RBP: ffffc90008936c10 R08: ffffffff8f824277 R09: 1ffffffff1f0484e
R10: dffffc0000000000 R11: fffffbfff1f0484f R12: ffff888000359e2c
R13: dffffc0000000000 R14: 0000000000000020 R15: 0000000000000000
FS:  00007f23f78b86c0(0000) GS:ffff88808d416000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fce64be9000 CR3: 00000000122e1000 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_global_system_inodes+0x319/0x660 fs/ocfs2/super.c:461
 ocfs2_initialize_super fs/ocfs2/super.c:2196 [inline]
 ocfs2_fill_super+0x2ab4/0x63a0 fs/ocfs2/super.c:993
 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+0xec/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f23f6b7f69a
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:00007f23f78b7e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f23f78b7ef0 RCX: 00007f23f6b7f69a
RDX: 0000000020004480 RSI: 00000000200044c0 RDI: 00007f23f78b7eb0
RBP: 0000000020004480 R08: 00007f23f78b7ef0 R09: 0000000000800401
R10: 0000000000800401 R11: 0000000000000246 R12: 00000000200044c0
R13: 00007f23f78b7eb0 R14: 000000000000447c R15: 0000000020000080
 </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 ce 04 17 fe 45 84 f6 75 2a e8 c4 01 17 fe 48 8b 5c 24 10 4c 8b 64 24 18 e9 f3 f1 ff ff e8 b0 01 17 fe 90 <0f> 0b e8 a8 01 17 fe 90 0f 0b 90 e9 f7 fe ff ff e8 9a 01 17 fe e8
RSP: 0018:ffffc90008936ae0 EFLAGS: 00010293
RAX: ffffffff83aa03a0 RBX: ffff888000564fb8 RCX: ffff88801fa80000
RDX: 0000000000000000 RSI: 0000000000000020 RDI: 0000000000000000
RBP: ffffc90008936c10 R08: ffffffff8f824277 R09: 1ffffffff1f0484e
R10: dffffc0000000000 R11: fffffbfff1f0484f R12: ffff888000359e2c
R13: dffffc0000000000 R14: 0000000000000020 R15: 0000000000000000
FS:  00007f23f78b86c0(0000) GS:ffff88808d416000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fcb803000a0 CR3: 00000000122e1000 CR4: 0000000000352ef0