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.
=======================================================
find_entry called with index = 0
read_mapping_page failed!
ERROR: (device loop0): txCommit: 
ERROR: (device loop0): diFree: numfree > numinos
BUG at fs/jfs/jfs_txnmgr.c:931 assert(mp->nohomeok > 0)
------------[ cut here ]------------
kernel BUG at fs/jfs/jfs_txnmgr.c:931!
Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI
CPU: 0 UID: 0 PID: 5355 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:txUnlock+0xdaf/0xdf0 fs/jfs/jfs_txnmgr.c:931
Code: e3 fd 90 0f 0b e8 31 53 7b fe 48 c7 c7 e0 34 e4 8b 48 c7 c6 d9 30 e4 8b ba a3 03 00 00 48 c7 c1 e0 41 e4 8b e8 e2 35 e3 fd 90 <0f> 0b e8 0a 53 7b fe 48 c7 c7 e0 34 e4 8b 48 c7 c6 d9 30 e4 8b ba
RSP: 0018:ffffc9000d1776a8 EFLAGS: 00010246
RAX: 0000000000000037 RBX: 0000000000001000 RCX: b4d6c0f3861b4700
RDX: ffffc9000e32a000 RSI: 00000000000010ae RDI: 00000000000010af
RBP: ffffc90001529120 R08: ffffc9000d1773c7 R09: 1ffff92001a2ee78
R10: dffffc0000000000 R11: fffff52001a2ee79 R12: dffffc0000000000
R13: 1ffff110086ccdc7 R14: ffff888043666e38 R15: 0000000000000000
FS:  00007f6cd1ebf6c0(0000) GS:ffff88808d007000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f6cd1ebdfb8 CR3: 0000000043517000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 txCommit+0x4f5d/0x5430 fs/jfs/jfs_txnmgr.c:1335
 jfs_commit_inode+0x2ef/0x530 fs/jfs/inode.c:108
 jfs_fsync+0x17e/0x1d0 fs/jfs/file.c:37
 generic_write_sync include/linux/fs.h:3043 [inline]
 generic_file_write_iter+0x319/0x550 mm/filemap.c:4322
 new_sync_write fs/read_write.c:593 [inline]
 vfs_write+0x5c9/0xb30 fs/read_write.c:686
 ksys_write+0x145/0x250 fs/read_write.c:738
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f6cd0f8eec9
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:00007f6cd1ebf038 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f6cd11e5fa0 RCX: 00007f6cd0f8eec9
RDX: 0000000000000012 RSI: 0000200000000040 RDI: 0000000000000007
RBP: 00007f6cd1011f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f6cd11e6038 R14: 00007f6cd11e5fa0 R15: 00007ffeedb6a3d8
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:txUnlock+0xdaf/0xdf0 fs/jfs/jfs_txnmgr.c:931
Code: e3 fd 90 0f 0b e8 31 53 7b fe 48 c7 c7 e0 34 e4 8b 48 c7 c6 d9 30 e4 8b ba a3 03 00 00 48 c7 c1 e0 41 e4 8b e8 e2 35 e3 fd 90 <0f> 0b e8 0a 53 7b fe 48 c7 c7 e0 34 e4 8b 48 c7 c6 d9 30 e4 8b ba
RSP: 0018:ffffc9000d1776a8 EFLAGS: 00010246
RAX: 0000000000000037 RBX: 0000000000001000 RCX: b4d6c0f3861b4700
RDX: ffffc9000e32a000 RSI: 00000000000010ae RDI: 00000000000010af
RBP: ffffc90001529120 R08: ffffc9000d1773c7 R09: 1ffff92001a2ee78
R10: dffffc0000000000 R11: fffff52001a2ee79 R12: dffffc0000000000
R13: 1ffff110086ccdc7 R14: ffff888043666e38 R15: 0000000000000000
FS:  00007f6cd1ebf6c0(0000) GS:ffff88808d007000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f6cd1e9dfc8 CR3: 0000000043517000 CR4: 0000000000352ef0