BUG at fs/jfs/jfs_txnmgr.c:662 assert(last)
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kernel BUG at fs/jfs/jfs_txnmgr.c:662!
Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI
CPU: 0 UID: 0 PID: 6022 Comm: syz.1.18 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
RIP: 0010:txLock+0x1b92/0x1cc0 fs/jfs/jfs_txnmgr.c:662
Code: e9 6a f8 ff ff e8 2e 30 70 fe 48 c7 c7 20 a3 c5 8b 48 c7 c6 19 9f c5 8b ba 96 02 00 00 48 c7 c1 40 a4 c5 8b e8 1f a5 d5 fd 90 <0f> 0b e8 07 30 70 fe 48 c7 c7 00 a5 c5 8b e8 0b a5 d5 fd 48 c7 c7
RSP: 0018:ffffc90003867740 EFLAGS: 00010246
RAX: 000000000000002b RBX: 0000000000000000 RCX: 59899a9716a19a00
RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
RBP: ffffc90003867868 R08: ffffc900038674c7 R09: 1ffff9200070ce98
R10: dffffc0000000000 R11: fffff5200070ce99 R12: 1ffff920005a3400
R13: ffffc90002d1a000 R14: 0000000000000000 R15: 0000000000000000
FS:  00007f68bda796c0(0000) GS:ffff88818e3f4000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f68bda78ff8 CR3: 00000001a3c0e000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 diWrite+0x444/0x1f40 fs/jfs/jfs_imap.c:654
 txCommit+0x869/0x5410 fs/jfs/jfs_txnmgr.c:1256
 jfs_mkdir+0x8e9/0xb00 fs/jfs/namei.c:290
 vfs_mkdir+0x413/0x630 fs/namei.c:5203
 do_mkdirat+0x27d/0x510 fs/namei.c:5237
 __do_sys_mkdirat fs/namei.c:5259 [inline]
 __se_sys_mkdirat fs/namei.c:5257 [inline]
 __x64_sys_mkdirat+0x87/0xa0 fs/namei.c:5257
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xe2/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f68bcb99b97
Code: 00 66 90 48 89 f2 b9 00 01 00 00 48 89 fe bf 9c ff ff ff e9 db f7 ff ff 66 2e 0f 1f 84 00 00 00 00 00 90 b8 02 01 00 00 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:00007f68bda78e58 EFLAGS: 00000246 ORIG_RAX: 0000000000000102
RAX: ffffffffffffffda RBX: 00007f68bda78ee0 RCX: 00007f68bcb99b97
RDX: 00000000000001ff RSI: 00002000000000c0 RDI: 00000000ffffff9c
RBP: 00002000000002c0 R08: 00002000000007c0 R09: 0000000000000000
R10: 00002000000002c0 R11: 0000000000000246 R12: 00002000000000c0
R13: 00007f68bda78ea0 R14: 0000000000000000 R15: 0000000000000000
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:txLock+0x1b92/0x1cc0 fs/jfs/jfs_txnmgr.c:662
Code: e9 6a f8 ff ff e8 2e 30 70 fe 48 c7 c7 20 a3 c5 8b 48 c7 c6 19 9f c5 8b ba 96 02 00 00 48 c7 c1 40 a4 c5 8b e8 1f a5 d5 fd 90 <0f> 0b e8 07 30 70 fe 48 c7 c7 00 a5 c5 8b e8 0b a5 d5 fd 48 c7 c7
RSP: 0018:ffffc90003867740 EFLAGS: 00010246
RAX: 000000000000002b RBX: 0000000000000000 RCX: 59899a9716a19a00
RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
RBP: ffffc90003867868 R08: ffffc900038674c7 R09: 1ffff9200070ce98
R10: dffffc0000000000 R11: fffff5200070ce99 R12: 1ffff920005a3400
R13: ffffc90002d1a000 R14: 0000000000000000 R15: 0000000000000000
FS:  00007f68bda796c0(0000) GS:ffff88818e3f4000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f68bda78ff8 CR3: 00000001a3c0e000 CR4: 0000000000352ef0
