BUG at fs/jfs/jfs_txnmgr.c:663 assert(last)
------------[ cut here ]------------
kernel BUG at fs/jfs/jfs_txnmgr.c:663!
kernel BUG at fs/jfs/jfs_txnmgr.c:663!
Oops: invalid opcode: 0000 [#1] SMP KASAN PTI
CPU: 1 UID: 0 PID: 10738 Comm: syz.6.630 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
RIP: 0010:txLock+0x1bdb/0x1d10 fs/jfs/jfs_txnmgr.c:663
Code: e9 c5 f7 ff ff e8 35 9f 66 fe 48 c7 c7 60 eb 8b 8b 48 c7 c6 59 e7 8b 8b ba 97 02 00 00 48 c7 c1 80 ec 8b 8b e8 56 f8 c8 fd 90 <0f> 0b e8 0e 9f 66 fe 48 c7 c7 40 ed 8b 8b e8 42 f8 c8 fd 48 c7 c7
RSP: 0018:ffffc90005a97440 EFLAGS: 00010246
RAX: 000000000000002b RBX: 0000000000000000 RCX: 8aa40a3009d53500
RDX: ffffc9000e042000 RSI: 0000000000000c0d RDI: 0000000000000c0e
RBP: ffffc90005a97570 R08: 0000000000000000 R09: 0000000000000000
R10: dffffc0000000000 R11: fffff52000b52e39 R12: 0000000000000000
R13: ffffc9000335a000 R14: 0000000000000000 R15: 1ffff9200066b400
FS:  00007eff7eebd6c0(0000) GS:ffff888126244000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f8d556c8000 CR3: 000000004207a000 CR4: 00000000003526f0
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 fs/namei.c:4508 [inline]
 open_last_lookups fs/namei.c:4608 [inline]
 path_openat+0x1344/0x3850 fs/namei.c:4856
 do_file_open+0x23e/0x4a0 fs/namei.c:4888
 do_sys_openat2+0x115/0x200 fs/open.c:1395
 do_sys_open fs/open.c:1401 [inline]
 __do_sys_openat fs/open.c:1417 [inline]
 __se_sys_openat fs/open.c:1412 [inline]
 __x64_sys_openat+0x138/0x170 fs/open.c:1412
 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: 0033:0x7eff80c8ce59
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:00007eff7eebd028 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007eff80f06090 RCX: 00007eff80c8ce59
RDX: 000000000000275a RSI: 0000200000000040 RDI: ffffffffffffff9c
RBP: 00007eff80d22e6f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007eff80f06128 R14: 00007eff80f06090 R15: 00007fff36c1f9b8
 </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 35 9f 66 fe 48 c7 c7 60 eb 8b 8b 48 c7 c6 59 e7 8b 8b ba 97 02 00 00 48 c7 c1 80 ec 8b 8b e8 56 f8 c8 fd 90 <0f> 0b e8 0e 9f 66 fe 48 c7 c7 40 ed 8b 8b e8 42 f8 c8 fd 48 c7 c7
RSP: 0018:ffffc90005a97440 EFLAGS: 00010246
RAX: 000000000000002b RBX: 0000000000000000 RCX: 8aa40a3009d53500
RDX: ffffc9000e042000 RSI: 0000000000000c0d RDI: 0000000000000c0e
RBP: ffffc90005a97570 R08: 0000000000000000 R09: 0000000000000000
R10: dffffc0000000000 R11: fffff52000b52e39 R12: 0000000000000000
R13: ffffc9000335a000 R14: 0000000000000000 R15: 1ffff9200066b400
FS:  00007eff7eebd6c0(0000) GS:ffff888126244000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f4766320850 CR3: 000000004207a000 CR4: 00000000003526f0