loop0: detected capacity change from 0 to 32768
Read error 10 at 0x1d000
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 1a 4b 61 fe 48 c7 c7 60 17 0c 8c 48 c7 c6 59 13 0c 8c ba ee 0a 00 00 48 c7 c1 60 2b 0c 8c e8 0b 3e c3 fd 90 <0f> 0b e8 f3 4a 61 fe 48 c7 c7 60 17 0c 8c 48 c7 c6 59 13 0c 8c ba
RSP: 0018:ffffc90003adf8b0 EFLAGS: 00010246
RAX: 0000000000000034 RBX: 1ffff1100008df89 RCX: 62207a3abb995900
RDX: ffffc90020802000 RSI: 00000000000013e2 RDI: 00000000000013e3
RBP: ffff88800046fc48 R08: ffffc90003adf627 R09: 1ffff9200075bec4
R10: dffffc0000000000 R11: fffff5200075bec5 R12: 0000000000000012
R13: ffff88800046fba0 R14: 0000000000000000 R15: 0000000000000002
FS:  00007f9e3d7c96c0(0000) GS:ffff88808c888000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fd0302c10c0 CR3: 0000000041d75000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 txCommit+0x46bd/0x5410 fs/jfs/jfs_txnmgr.c:1356
 jfs_mkdir+0x8e9/0xb00 fs/jfs/namei.c:291
 vfs_mkdir+0x413/0x630 fs/namei.c:5261
 filename_mkdirat+0x285/0x510 fs/namei.c:5294
 __do_sys_mkdir fs/namei.c:5321 [inline]
 __se_sys_mkdir+0x34/0x150 fs/namei.c:5318
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x15f/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f9e3c99cdd9
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:00007f9e3d7c8fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000053
RAX: ffffffffffffffda RBX: 00007f9e3cc15fa0 RCX: 00007f9e3c99cdd9
RDX: 0000000000000000 RSI: 0000000000000300 RDI: 00002000000002c0
RBP: 00007f9e3ca32d69 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f9e3cc16038 R14: 00007f9e3cc15fa0 R15: 00007fff42ecb2d8
 </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 1a 4b 61 fe 48 c7 c7 60 17 0c 8c 48 c7 c6 59 13 0c 8c ba ee 0a 00 00 48 c7 c1 60 2b 0c 8c e8 0b 3e c3 fd 90 <0f> 0b e8 f3 4a 61 fe 48 c7 c7 60 17 0c 8c 48 c7 c6 59 13 0c 8c ba
RSP: 0018:ffffc90003adf8b0 EFLAGS: 00010246
RAX: 0000000000000034 RBX: 1ffff1100008df89 RCX: 62207a3abb995900
RDX: ffffc90020802000 RSI: 00000000000013e2 RDI: 00000000000013e3
RBP: ffff88800046fc48 R08: ffffc90003adf627 R09: 1ffff9200075bec4
R10: dffffc0000000000 R11: fffff5200075bec5 R12: 0000000000000012
R13: ffff88800046fba0 R14: 0000000000000000 R15: 0000000000000002
FS:  00007f9e3d7c96c0(0000) GS:ffff88808c888000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fd0302c10c0 CR3: 0000000041d75000 CR4: 0000000000352ef0