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 PTI
CPU: 0 UID: 0 PID: 10253 Comm: syz.3.425 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
RIP: 0010:txLock+0x1b79/0x1cb0 fs/jfs/jfs_txnmgr.c:662
Code: e9 6a f8 ff ff e8 b7 1a 81 fe 48 c7 c7 a0 4a 24 8b 48 c7 c6 99 46 24 8b ba 96 02 00 00 48 c7 c1 a0 4b 24 8b e8 a8 a9 e9 fd 90 <0f> 0b e8 90 1a 81 fe 48 c7 c7 60 4c 24 8b e8 94 a9 e9 fd 48 c7 c7
RSP: 0018:ffffc9000516f780 EFLAGS: 00010246
RAX: 000000000000002b RBX: 0000000000000000 RCX: bc3d06357ac01b00
RDX: ffffc9000d0e9000 RSI: 0000000000002c47 RDI: 0000000000002c48
RBP: ffffc9000516f8a8 R08: 0000000000000000 R09: 0000000000000000
R10: dffffc0000000000 R11: fffff52000a2de95 R12: 1ffff920006ab400
R13: ffffc9000355a000 R14: 0000000000000000 R15: 0000000000000000
FS:  00007fadf48e46c0(0000) GS:ffff888126df6000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000020000000e000 CR3: 00000000412da000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 diWrite+0x444/0x1f40 fs/jfs/jfs_imap.c:654
 txCommit+0x852/0x5430 fs/jfs/jfs_txnmgr.c:1256
 jfs_mkdir+0x856/0xa70 fs/jfs/namei.c:290
 vfs_mkdir+0x306/0x510 fs/namei.c:4453
 do_mkdirat+0x247/0x590 fs/namei.c:4486
 __do_sys_mkdir fs/namei.c:4508 [inline]
 __se_sys_mkdir fs/namei.c:4506 [inline]
 __x64_sys_mkdir+0x6c/0x80 fs/namei.c:4506
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0xfa0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fadf66bf749
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fadf48e4038 EFLAGS: 00000246 ORIG_RAX: 0000000000000053
RAX: ffffffffffffffda RBX: 00007fadf6916180 RCX: 00007fadf66bf749
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000200000000040
RBP: 00007fadf6743f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fadf6916218 R14: 00007fadf6916180 R15: 00007ffc9e331cb8
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:txLock+0x1b79/0x1cb0 fs/jfs/jfs_txnmgr.c:662
Code: e9 6a f8 ff ff e8 b7 1a 81 fe 48 c7 c7 a0 4a 24 8b 48 c7 c6 99 46 24 8b ba 96 02 00 00 48 c7 c1 a0 4b 24 8b e8 a8 a9 e9 fd 90 <0f> 0b e8 90 1a 81 fe 48 c7 c7 60 4c 24 8b e8 94 a9 e9 fd 48 c7 c7
RSP: 0018:ffffc9000516f780 EFLAGS: 00010246
RAX: 000000000000002b RBX: 0000000000000000 RCX: bc3d06357ac01b00
RDX: ffffc9000d0e9000 RSI: 0000000000002c47 RDI: 0000000000002c48
RBP: ffffc9000516f8a8 R08: 0000000000000000 R09: 0000000000000000
R10: dffffc0000000000 R11: fffff52000a2de95 R12: 1ffff920006ab400
R13: ffffc9000355a000 R14: 0000000000000000 R15: 0000000000000000
FS:  00007fadf48e46c0(0000) GS:ffff888126df6000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000020000000e000 CR3: 00000000412da000 CR4: 00000000003526f0