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: 5315 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+0x1bdb/0x1d10 fs/jfs/jfs_txnmgr.c:663
Code: e9 c5 f7 ff ff e8 d5 35 54 fe 48 c7 c7 a0 08 4e 8c 48 c7 c6 99 04 4e 8c ba 97 02 00 00 48 c7 c1 c0 09 4e 8c e8 96 29 b4 fd 90 <0f> 0b e8 ae 35 54 fe 48 c7 c7 80 0a 4e 8c e8 82 29 b4 fd 48 c7 c7
RSP: 0018:ffffc9000f3b73a0 EFLAGS: 00010246
RAX: 000000000000002b RBX: 0000000000000000 RCX: 75e5c0278c5b0b00
RDX: ffffc9000f5f9000 RSI: 00000000000027a8 RDI: 00000000000027a9
RBP: ffffc9000f3b74d0 R08: ffffc9000f3b7127 R09: 1ffff92001e76e24
R10: dffffc0000000000 R11: fffff52001e76e25 R12: 0000000000000000
R13: ffffc90001243000 R14: 0000000000000000 R15: 1ffff92000248600
FS:  00007fb79ac466c0(0000) GS:ffff88808c2cf000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055997f6df168 CR3: 0000000012982000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 diWrite+0x444/0x1f60 fs/jfs/jfs_imap.c:654
 txCommit+0x83a/0x54a0 fs/jfs/jfs_txnmgr.c:1257
 jfs_create+0x8bd/0xae0 fs/jfs/namei.c:157
 lookup_open+0xc0d/0x1a40 fs/namei.c:4567
 open_last_lookups fs/namei.c:4767 [inline]
 path_openat+0x677/0x1d60 fs/namei.c:4997
 do_file_open+0x23e/0x4a0 fs/namei.c:5029
 do_sys_openat2+0x115/0x200 fs/open.c:1417
 do_sys_open fs/open.c:1423 [inline]
 __do_sys_creat fs/open.c:1501 [inline]
 __se_sys_creat fs/open.c:1495 [inline]
 __x64_sys_creat+0x8f/0xc0 fs/open.c:1495
 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline]
 do_syscall_64+0x166/0x520 arch/x86/entry/syscall_64.c:84
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fb799d9e159
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:00007fb79ac45fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000055
RAX: ffffffffffffffda RBX: 00007fb79a026090 RCX: 00007fb799d9e159
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000200000000140
RBP: 00007fb799e35024 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fb79a026128 R14: 00007fb79a026090 R15: 00007ffdc7c201c8
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:txLock+0x1bdb/0x1d10 fs/jfs/jfs_txnmgr.c:663
Code: e9 c5 f7 ff ff e8 d5 35 54 fe 48 c7 c7 a0 08 4e 8c 48 c7 c6 99 04 4e 8c ba 97 02 00 00 48 c7 c1 c0 09 4e 8c e8 96 29 b4 fd 90 <0f> 0b e8 ae 35 54 fe 48 c7 c7 80 0a 4e 8c e8 82 29 b4 fd 48 c7 c7
RSP: 0018:ffffc9000f3b73a0 EFLAGS: 00010246
RAX: 000000000000002b RBX: 0000000000000000 RCX: 75e5c0278c5b0b00
RDX: ffffc9000f5f9000 RSI: 00000000000027a8 RDI: 00000000000027a9
RBP: ffffc9000f3b74d0 R08: ffffc9000f3b7127 R09: 1ffff92001e76e24
R10: dffffc0000000000 R11: fffff52001e76e25 R12: 0000000000000000
R13: ffffc90001243000 R14: 0000000000000000 R15: 1ffff92000248600
FS:  00007fb79ac466c0(0000) GS:ffff88808c2cf000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fb79ac24fe8 CR3: 0000000012982000 CR4: 0000000000352ef0