BUG at fs/jfs/jfs_txnmgr.c:663 assert(last)
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kernel BUG at fs/jfs/jfs_txnmgr.c:663!
Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI
CPU: 0 UID: 0 PID: 5356 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:txLock+0x1b92/0x1cc0 fs/jfs/jfs_txnmgr.c:663
Code: e9 6a f8 ff ff e8 8e 10 61 fe 48 c7 c7 a0 2f 0c 8c 48 c7 c6 99 2b 0c 8c ba 97 02 00 00 48 c7 c1 c0 30 0c 8c e8 5f f6 c2 fd 90 <0f> 0b e8 67 10 61 fe 48 c7 c7 80 31 0c 8c e8 4b f6 c2 fd 48 c7 c7
RSP: 0018:ffffc900079b7340 EFLAGS: 00010246
RAX: 000000000000002b RBX: 0000000000000000 RCX: db2ffdb1ad25e900
RDX: ffffc90020001000 RSI: 0000000000002ad5 RDI: 0000000000002ad6
RBP: ffffc900079b7468 R08: ffffc900079b70c7 R09: 1ffff92000f36e18
R10: dffffc0000000000 R11: fffff52000f36e19 R12: 1ffff92000204c00
R13: ffffc90001026000 R14: 0000000000000000 R15: 0000000000000000
FS:  00007fc0843e26c0(0000) GS:ffff88808c894000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fc0783ff000 CR3: 00000000432ef000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 diWrite+0x444/0x1f40 fs/jfs/jfs_imap.c:654
 txCommit+0x869/0x5410 fs/jfs/jfs_txnmgr.c:1257
 jfs_create+0x8f4/0xb10 fs/jfs/namei.c:157
 lookup_open fs/namei.c:4511 [inline]
 open_last_lookups fs/namei.c:4611 [inline]
 path_openat+0x1395/0x3860 fs/namei.c:4855
 do_file_open+0x23e/0x4a0 fs/namei.c:4887
 do_sys_openat2+0x113/0x200 fs/open.c:1364
 do_sys_open fs/open.c:1370 [inline]
 __do_sys_open fs/open.c:1378 [inline]
 __se_sys_open fs/open.c:1374 [inline]
 __x64_sys_open+0x11e/0x150 fs/open.c:1374
 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: 0033:0x7fc08359ce59
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:00007fc0843e1fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 00007fc083816090 RCX: 00007fc08359ce59
RDX: 0000000000000000 RSI: 000000000014927e RDI: 0000200000000180
RBP: 00007fc083632d6f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fc083816128 R14: 00007fc083816090 R15: 00007ffda9d92bb8
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:txLock+0x1b92/0x1cc0 fs/jfs/jfs_txnmgr.c:663
Code: e9 6a f8 ff ff e8 8e 10 61 fe 48 c7 c7 a0 2f 0c 8c 48 c7 c6 99 2b 0c 8c ba 97 02 00 00 48 c7 c1 c0 30 0c 8c e8 5f f6 c2 fd 90 <0f> 0b e8 67 10 61 fe 48 c7 c7 80 31 0c 8c e8 4b f6 c2 fd 48 c7 c7
RSP: 0018:ffffc900079b7340 EFLAGS: 00010246
RAX: 000000000000002b RBX: 0000000000000000 RCX: db2ffdb1ad25e900
RDX: ffffc90020001000 RSI: 0000000000002ad5 RDI: 0000000000002ad6
RBP: ffffc900079b7468 R08: ffffc900079b70c7 R09: 1ffff92000f36e18
R10: dffffc0000000000 R11: fffff52000f36e19 R12: 1ffff92000204c00
R13: ffffc90001026000 R14: 0000000000000000 R15: 0000000000000000
FS:  00007fc0843e26c0(0000) GS:ffff88808c894000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fc0843bff68 CR3: 00000000432ef000 CR4: 0000000000352ef0