loop0: detected capacity change from 0 to 32768
read_mapping_page failed!
ERROR: (device loop0): txCommit: 

ERROR: (device loop0): diFree: numfree > numinos

read_mapping_page failed!
BUG at fs/jfs/jfs_txnmgr.c:2798 assert(mp->nohomeok)
------------[ cut here ]------------
kernel BUG at fs/jfs/jfs_txnmgr.c:2798!
Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI
CPU: 0 UID: 0 PID: 5330 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:LogSyncRelease fs/jfs/jfs_txnmgr.c:2798 [inline]
RIP: 0010:txAbort+0x716/0x760 fs/jfs/jfs_txnmgr.c:2623
Code: e9 2c ff ff ff e8 ba a8 5a fe 48 c7 c7 60 a5 2c 8c 48 c7 c6 59 a1 2c 8c ba ee 0a 00 00 48 c7 c1 60 b9 2c 8c e8 5b 43 bb fd 90 <0f> 0b e8 93 a8 5a fe 48 c7 c7 60 a5 2c 8c 48 c7 c6 59 a1 2c 8c ba
RSP: 0018:ffffc9000f8575b0 EFLAGS: 00010246
RAX: 0000000000000034 RBX: 1ffff110060b0fa8 RCX: 608b0830e7c33800
RDX: ffffc9000ef2a000 RSI: 0000000000000f13 RDI: 0000000000000f14
RBP: ffff888030587d40 R08: ffff88801fc24713 R09: 1ffff11003f848e2
R10: dffffc0000000000 R11: ffffed1003f848e3 R12: 0000000000000012
R13: ffff888030587c98 R14: 0000000000000000 R15: 0000000000000002
FS:  00007fc8bec326c0(0000) GS:ffff88808c53f000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f677137b000 CR3: 000000003e206000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 txCommit+0x474c/0x54a0 fs/jfs/jfs_txnmgr.c:1356
 jfs_create+0x8bd/0xae0 fs/jfs/namei.c:157
 lookup_open fs/namei.c:4508 [inline]
 open_last_lookups fs/namei.c:4608 [inline]
 path_openat+0x133a/0x3830 fs/namei.c:4860
 do_file_open+0x23e/0x4a0 fs/namei.c:4892
 do_sys_openat2+0x115/0x200 fs/open.c:1368
 do_sys_open fs/open.c:1374 [inline]
 __do_sys_openat fs/open.c:1390 [inline]
 __se_sys_openat fs/open.c:1385 [inline]
 __x64_sys_openat+0x138/0x170 fs/open.c:1385
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x174/0x580 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fc8bdd9e019
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fc8bec31fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007fc8be025fa0 RCX: 00007fc8bdd9e019
RDX: 0000000000143042 RSI: 0000200000000040 RDI: ffffffffffffff9c
RBP: 00007fc8bde3500c R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fc8be026038 R14: 00007fc8be025fa0 R15: 00007ffff49eec58
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:LogSyncRelease fs/jfs/jfs_txnmgr.c:2798 [inline]
RIP: 0010:txAbort+0x716/0x760 fs/jfs/jfs_txnmgr.c:2623
Code: e9 2c ff ff ff e8 ba a8 5a fe 48 c7 c7 60 a5 2c 8c 48 c7 c6 59 a1 2c 8c ba ee 0a 00 00 48 c7 c1 60 b9 2c 8c e8 5b 43 bb fd 90 <0f> 0b e8 93 a8 5a fe 48 c7 c7 60 a5 2c 8c 48 c7 c6 59 a1 2c 8c ba
RSP: 0018:ffffc9000f8575b0 EFLAGS: 00010246
RAX: 0000000000000034 RBX: 1ffff110060b0fa8 RCX: 608b0830e7c33800
RDX: ffffc9000ef2a000 RSI: 0000000000000f13 RDI: 0000000000000f14
RBP: ffff888030587d40 R08: ffff88801fc24713 R09: 1ffff11003f848e2
R10: dffffc0000000000 R11: ffffed1003f848e3 R12: 0000000000000012
R13: ffff888030587c98 R14: 0000000000000000 R15: 0000000000000002
FS:  00007fc8bec326c0(0000) GS:ffff88808c53f000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f6771395000 CR3: 000000003e206000 CR4: 0000000000352ef0