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: 1 UID: 0 PID: 7202 Comm: syz.1.277 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
RIP: 0010[  216.153749][ T7202] RIP: 0010:txLock+0x1b92/0x1cc0 fs/jfs/jfs_txnmgr.c:663
Code: e9 6a f8 ff ff e8 6e 24 6c fe 48 c7 c7 60 76 8b 8b 48 c7 c6 59 72 8b 8b ba 97 02 00 00 48 c7 c1 80 77 8b 8b e8 2f 04 cf fd 90 <0f> 0b e8 47 24 6c fe 48 c7 c7 40 78 8b 8b e8 1b 04 cf fd 48 c7 c7
RSP: 0018:ffffc9000d10f2e0 EFLAGS: 00010246
RAX: 000000000000002b RBX: 0000000000000000 RCX: bfd51371431b7b00
RDX: ffffc90013ec7000 RSI: 0000000000002f3a RDI: 0000000000002f3b
RBP: ffffc9000d10f408 R08: 0000000000000000 R09: 0000000000000000
R10: dffffc0000000000 R11: fffff52001a21e0d R12: 1ffff92000685400
R13: ffffc9000342a000 R14: 0000000000000000 R15: 0000000000000000
FS:  00007fbf91d3c6c0(0000) GS:ffff888126279000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f1967002000 CR3: 00000000421f6000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 diWrite+0x444/0x1f40 fs/jfs/jfs_imap.c:654
 txCommit+0x869/0x5410 fs/jfs/jfs_txnmgr.c:1257
 jfs_create+0x8f4/0xb10 fs/jfs/namei.c:157
 lookup_open fs/namei.c:4511 [inline]
 open_last_lookups fs/namei.c:4611 [inline]
 path_openat+0x13b4/0x38a0 fs/namei.c:4855
 do_file_open+0x23e/0x4a0 fs/namei.c:4887
 do_sys_openat2+0x113/0x200 fs/open.c:1364
 do_sys_open fs/open.c:1370 [inline]
 __do_sys_open fs/open.c:1378 [inline]
 __se_sys_open fs/open.c:1374 [inline]
 __x64_sys_open+0x11e/0x150 fs/open.c:1374
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x15f/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fbf93b2cdd9
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:00007fbf91d3c028 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 00007fbf93da6180 RCX: 00007fbf93b2cdd9
RDX: 0000000000000000 RSI: 000000000014927e RDI: 0000200000000180
RBP: 00007fbf93bc2d69 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fbf93da6218 R14: 00007fbf93da6180 R15: 00007fff8f316c08
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:txLock+0x1b92/0x1cc0 fs/jfs/jfs_txnmgr.c:663
Code: e9 6a f8 ff ff e8 6e 24 6c fe 48 c7 c7 60 76 8b 8b 48 c7 c6 59 72 8b 8b ba 97 02 00 00 48 c7 c1 80 77 8b 8b e8 2f 04 cf fd 90 <0f> 0b e8 47 24 6c fe 48 c7 c7 40 78 8b 8b e8 1b 04 cf fd 48 c7 c7
RSP: 0018:ffffc9000d10f2e0 EFLAGS: 00010246
RAX: 000000000000002b RBX: 0000000000000000 RCX: bfd51371431b7b00
RDX: ffffc90013ec7000 RSI: 0000000000002f3a RDI: 0000000000002f3b
RBP: ffffc9000d10f408 R08: 0000000000000000 R09: 0000000000000000
R10: dffffc0000000000 R11: fffff52001a21e0d R12: 1ffff92000685400
R13: ffffc9000342a000 R14: 0000000000000000 R15: 0000000000000000
FS:  00007fbf91d3c6c0(0000) GS:ffff888126279000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f1966ffb000 CR3: 00000000421f6000 CR4: 00000000003526f0