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: 5340 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 25 4c 53 fe 48 c7 c7 a0 27 4e 8c 48 c7 c6 99 23 4e 8c ba 97 02 00 00 48 c7 c1 c0 28 4e 8c e8 b6 eb b2 fd 90 <0f> 0b e8 fe 4b 53 fe 48 c7 c7 80 29 4e 8c e8 a2 eb b2 fd 48 c7 c7
RSP: 0018:ffffc9000f557760 EFLAGS: 00010246
RAX: 000000000000002b RBX: 0000000000000000 RCX: b2e63b325ebdb300
RDX: 0000000000000000 RSI: 8000000000000000 RDI: 0000000000000000
RBP: ffffc9000f557890 R08: ffffc9000f5574e7 R09: 1ffff92001eaae9c
R10: dffffc0000000000 R11: fffff52001eaae9d R12: 0000000000000000
R13: ffffc90001042000 R14: 0000000000000000 R15: 1ffff92000208400
FS:  00007fa41f8086c0(0000) GS:ffff88808c2bb000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fa413410000 CR3: 000000001f659000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 diWrite+0x444/0x1f60 fs/jfs/jfs_imap.c:654
 txCommit+0x83a/0x54a0 fs/jfs/jfs_txnmgr.c:1257
 jfs_mkdir+0x8c4/0xaf0 fs/jfs/namei.c:291
 vfs_mkdir+0x40c/0x620 fs/namei.c:5410
 filename_mkdirat+0x285/0x510 fs/namei.c:5443
 __do_sys_mkdir fs/namei.c:5470 [inline]
 __se_sys_mkdir+0x34/0x150 fs/namei.c:5467
 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: 0033:0x7fa41e99e159
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:00007fa41f807fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000053
RAX: ffffffffffffffda RBX: 00007fa41ec26810 RCX: 00007fa41e99e159
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000200000000000
RBP: 00007fa41ea3506b R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fa41ec268a8 R14: 00007fa41ec26810 R15: 00007fff4a16df28
 </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 25 4c 53 fe 48 c7 c7 a0 27 4e 8c 48 c7 c6 99 23 4e 8c ba 97 02 00 00 48 c7 c1 c0 28 4e 8c e8 b6 eb b2 fd 90 <0f> 0b e8 fe 4b 53 fe 48 c7 c7 80 29 4e 8c e8 a2 eb b2 fd 48 c7 c7
RSP: 0018:ffffc9000f557760 EFLAGS: 00010246
RAX: 000000000000002b RBX: 0000000000000000 RCX: b2e63b325ebdb300
RDX: 0000000000000000 RSI: 8000000000000000 RDI: 0000000000000000
RBP: ffffc9000f557890 R08: ffffc9000f5574e7 R09: 1ffff92001eaae9c
R10: dffffc0000000000 R11: fffff52001eaae9d R12: 0000000000000000
R13: ffffc90001042000 R14: 0000000000000000 R15: 1ffff92000208400
FS:  00007fa41f8086c0(0000) GS:ffff88808c2bb000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f8d20749000 CR3: 000000001f659000 CR4: 0000000000352ef0