Locker's tblock: ffffc900026e9210: 00000004 0000001c 00000007 00000000
Tlock: ffffc9000290a0d8: 00020000 80018000 57632aa8 ffff8880
Tlock: ffffc9000290a0e8: 54b031f8 ffff8880 01140000 07002000
Tlock: ffffc9000290a0f8: 0002011c 00000000 00000000 00000000
Tlock: ffffc9000290a108: 00000000 00000000 00000000 00000000
Tlock: ffffc9000290a118: 00000000 00000000
------------[ cut here ]------------
kernel BUG at fs/jfs/jfs_txnmgr.c:835!
Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI
CPU: 1 UID: 0 PID: 8055 Comm: syz.5.688 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
RIP: 0010:txLock+0x1c61/0x1cb0 fs/jfs/jfs_txnmgr.c:835
Code: 48 c7 c6 20 b7 a4 8b ba 01 00 00 00 b9 10 00 00 00 41 b8 04 00 00 00 4c 8b 4c 24 30 6a 00 6a 48 e8 24 a5 49 01 48 83 c4 10 90 <0f> 0b e8 f8 d0 78 fe 4c 89 ff 48 c7 c6 20 bf a4 8b e8 89 2a e1 fd
RSP: 0018:ffffc9000525f580 EFLAGS: 00010282
RAX: c431e5604a0ca700 RBX: dffffc0000000000 RCX: 0000000000080000
RDX: ffffc9000d706000 RSI: 000000000007ffff RDI: 0000000000080000
RBP: ffffc9000525f6a8 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffffbfff1bfa658 R12: 0000000000000002
R13: dffffc0000000000 R14: 1ffff9200052141b R15: ffffc9000290a0da
FS:  00007f4f74ff66c0(0000) GS:ffff888125e12000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f4f74ff5f98 CR3: 000000005b1ab000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 diWrite+0x444/0x1f40 fs/jfs/jfs_imap.c:654
 txCommit+0x852/0x5430 fs/jfs/jfs_txnmgr.c:1256
 jfs_commit_inode+0x2ef/0x530 fs/jfs/inode.c:114
 jfs_fsync+0x17e/0x1d0 fs/jfs/file.c:37
 generic_write_sync include/linux/fs.h:3046 [inline]
 generic_file_write_iter+0x319/0x550 mm/filemap.c:4389
 new_sync_write fs/read_write.c:593 [inline]
 vfs_write+0x5c9/0xb30 fs/read_write.c:686
 ksys_write+0x145/0x250 fs/read_write.c:738
 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: 0033:0x7f4f76d8eec9
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:00007f4f74ff6038 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f4f76fe6090 RCX: 00007f4f76d8eec9
RDX: 000000000000045c RSI: 00002000000007c0 RDI: 0000000000000004
RBP: 00007f4f76e11f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f4f76fe6128 R14: 00007f4f76fe6090 R15: 00007ffcc2c6b568
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:txLock+0x1c61/0x1cb0 fs/jfs/jfs_txnmgr.c:835
Code: 48 c7 c6 20 b7 a4 8b ba 01 00 00 00 b9 10 00 00 00 41 b8 04 00 00 00 4c 8b 4c 24 30 6a 00 6a 48 e8 24 a5 49 01 48 83 c4 10 90 <0f> 0b e8 f8 d0 78 fe 4c 89 ff 48 c7 c6 20 bf a4 8b e8 89 2a e1 fd
RSP: 0018:ffffc9000525f580 EFLAGS: 00010282
RAX: c431e5604a0ca700 RBX: dffffc0000000000 RCX: 0000000000080000
RDX: ffffc9000d706000 RSI: 000000000007ffff RDI: 0000000000080000
RBP: ffffc9000525f6a8 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffffbfff1bfa658 R12: 0000000000000002
R13: dffffc0000000000 R14: 1ffff9200052141b R15: ffffc9000290a0da
FS:  00007f4f74ff66c0(0000) GS:ffff888125e12000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f4f74ff5f98 CR3: 000000005b1ab000 CR4: 0000000000350ef0