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 PTI
CPU: 0 UID: 0 PID: 9982 Comm: syz.9.927 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+0x1bdb/0x1d10
Code: e9 c5 f7 ff ff e8 f5 e0 5c fe 48 c7 c7 20 46 0d 8c 48 c7 c6 19 42 0d 8c ba 97 02 00 00 48 c7 c1 40 47 0d 8c e8 86 51 be fd 90 <0f> 0b e8 ce e0 5c fe 48 c7 c7 00 48 0d 8c e8 72 51 be fd 48 c7 c7
RSP: 0018:ffffc90003b0f560 EFLAGS: 00010246
RAX: 000000000000002b RBX: 0000000000000000 RCX: 9107fa1c90244100
RDX: ffffc90028e25000 RSI: 0000000000001d06 RDI: 0000000000001d07
RBP: ffffc90003b0f6a0 R08: ffffc90003b0f2e7 R09: 1ffff92000761e5c
R10: dffffc0000000000 R11: fffff52000761e5d R12: 0000000000000000
R13: ffffc90002be2000 R14: 0000000000000000 R15: 1ffff9200057c400
FS:  00007fbc06b776c0(0000) GS:ffff88818dc1c000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000000340 CR3: 00000001b96be000 CR4: 00000000000006f0
Call Trace:
 <TASK>
 dtSplitRoot+0x38d/0x1900
 dtInsert+0xedd/0x5cb0
 jfs_mkdir+0x76b/0xb00
 vfs_mkdir+0x406/0x620
 filename_mkdirat+0x285/0x510
 __se_sys_mkdirat+0x35/0x150
 do_syscall_64+0x174/0x580
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fbc05d9bcc7
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:00007fbc06b76e58 EFLAGS: 00000246 ORIG_RAX: 0000000000000102
RAX: ffffffffffffffda RBX: 00007fbc06b76ee0 RCX: 00007fbc05d9bcc7
RDX: 00000000000001ff RSI: 0000200000000340 RDI: 00000000ffffff9c
RBP: 0000200000000180 R08: 00002000000000c0 R09: 0000000000000000
R10: 0000200000000180 R11: 0000000000000246 R12: 0000200000000340
R13: 00007fbc06b76ea0 R14: 0000000000000000 R15: 0000000000000000
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:txLock+0x1bdb/0x1d10
Code: e9 c5 f7 ff ff e8 f5 e0 5c fe 48 c7 c7 20 46 0d 8c 48 c7 c6 19 42 0d 8c ba 97 02 00 00 48 c7 c1 40 47 0d 8c e8 86 51 be fd 90 <0f> 0b e8 ce e0 5c fe 48 c7 c7 00 48 0d 8c e8 72 51 be fd 48 c7 c7
RSP: 0018:ffffc90003b0f560 EFLAGS: 00010246
RAX: 000000000000002b RBX: 0000000000000000 RCX: 9107fa1c90244100
RDX: ffffc90028e25000 RSI: 0000000000001d06 RDI: 0000000000001d07
RBP: ffffc90003b0f6a0 R08: ffffc90003b0f2e7 R09: 1ffff92000761e5c
R10: dffffc0000000000 R11: fffff52000761e5d R12: 0000000000000000
R13: ffffc90002be2000 R14: 0000000000000000 R15: 1ffff9200057c400
FS:  00007fbc06b776c0(0000) GS:ffff88818dc1c000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f1f35c87e20 CR3: 00000001b96be000 CR4: 00000000000006f0
