ERROR: (device loop5): dbAdjCtl: the maximum free buddy is not the old root
ERROR: (device loop5): remounting filesystem as read-only
------------[ cut here ]------------
kernel BUG at fs/jfs/inode.c:175!
Oops: invalid opcode: 0000 [#1] SMP KASAN PTI
CPU: 1 UID: 0 PID: 23080 Comm: syz.5.4390 Tainted: G             L      syzkaller #0 PREEMPT(full) 
Tainted: [L]=SOFTLOCKUP
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
RIP: 0010:jfs_evict_inode+0x438/0x440
Code: fe e9 e0 fd ff ff 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c 23 fe ff ff 4c 89 f7 e8 83 ff e2 fe e9 16 fe ff ff e8 99 68 7c fe 90 <0f> 0b 66 0f 1f 44 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90
RSP: 0018:ffffc90007657700 EFLAGS: 00010293
RAX: ffffffff83455307 RBX: ffff8881a949d698 RCX: ffff88818db357c0
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8881a949d698
RBP: 0000000000000001 R08: ffffffff8f822377 R09: 1ffffffff1f0446e
R10: dffffc0000000000 R11: ffffffff83452f30 R12: dffffc0000000000
R13: dffffc0000000000 R14: ffff8881a949d320 R15: ffff8881a949d698
FS:  00007f7ec46cb6c0(0000) GS:ffff8882a9e32000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 00000001d5b22000 CR4: 00000000000006f0
Call Trace:
 <TASK>
 evict+0x5f4/0xae0
 evict_inodes+0x753/0x7e0
 generic_shutdown_super+0x9a/0x2c0
 kill_block_super+0x44/0x90
 deactivate_locked_super+0xbc/0x130
 cleanup_mnt+0x425/0x4c0
 task_work_run+0x1d4/0x260
 do_exit+0x8bd/0x25b0
 do_group_exit+0x21c/0x2d0
 get_signal+0x1285/0x1340
 arch_do_signal_or_restart+0x9a/0x7a0
 irqentry_exit+0x177/0x660
 exc_page_fault+0xab/0x100
 asm_exc_page_fault+0x26/0x30
RIP: 0033:0x7f7ec378f7d1
Code: Unable to access opcode bytes at 0x7f7ec378f7a7.
RSP: 002b:fffffffffffffe70 EFLAGS: 00010217
RAX: 0000000000000000 RBX: 00007f7ec39e5fa0 RCX: 00007f7ec378f7c9
RDX: 0000000000000000 RSI: fffffffffffffe70 RDI: 0000000000008000
RBP: 00007f7ec37f297f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000000
R13: 00007f7ec39e6038 R14: 00007f7ec39e5fa0 R15: 00007ffdb7fbba68
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:jfs_evict_inode+0x438/0x440
Code: fe e9 e0 fd ff ff 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c 23 fe ff ff 4c 89 f7 e8 83 ff e2 fe e9 16 fe ff ff e8 99 68 7c fe 90 <0f> 0b 66 0f 1f 44 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90
RSP: 0018:ffffc90007657700 EFLAGS: 00010293
RAX: ffffffff83455307 RBX: ffff8881a949d698 RCX: ffff88818db357c0
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8881a949d698
RBP: 0000000000000001 R08: ffffffff8f822377 R09: 1ffffffff1f0446e
R10: dffffc0000000000 R11: ffffffff83452f30 R12: dffffc0000000000
R13: dffffc0000000000 R14: ffff8881a949d320 R15: ffff8881a949d698
FS:  00007f7ec46cb6c0(0000) GS:ffff8882a9e32000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 00000001d5b22000 CR4: 00000000000006f0
