... Log Wrap ... Log Wrap ... Log Wrap ...
 ... Log Wrap ... Log Wrap ... Log Wrap ...
 ... Log Wrap ... Log Wrap ... Log Wrap ...
BUG at fs/jfs/jfs_txnmgr.[  921.233909][T11440] BUG at fs/jfs/jfs_txnmgr.c:932 assert(mp->nohomeok > 0)
------------[ cut here ]------------
kernel BUG at fs/jfs/jfs_txnmgr.c:932!
Oops: invalid opcode: 0000 [#1] SMP KASAN PTI
CPU: 1 UID: 0 PID: 11440 Comm: syz.4.496 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
RIP: 0010:txUnlock+0xd7a/0xdc0 fs/jfs/jfs_txnmgr.c:932
Code: d9 fd 90 0f 0b e8 76 53 75 fe 48 c7 c7 20 62 6a 8b 48 c7 c6 19 5e 6a 8b ba a4 03 00 00 48 c7 c1 60 6f 6a 8b e8 07 76 d9 fd 90 <0f> 0b e8 4f 53 75 fe 48 c7 c7 20 62 6a 8b 48 c7 c6 19 5e 6a 8b ba
RSP: 0018:ffffc900046ef570 EFLAGS: 00010246
RAX: 0000000000000037 RBX: 0000000000001000 RCX: d37a08c6b1301400
RDX: ffffc9001e3c0000 RSI: 000000000000402a RDI: 000000000000402b
RBP: ffffc9000352a3f0 R08: 0000000000000000 R09: 0000000000000000
R10: dffffc0000000000 R11: fffff520008dde5d R12: dffffc0000000000
R13: 1ffff11006322f07 R14: ffff888031917838 R15: 0000000000000000
FS:  00007f465d5766c0(0000) GS:ffff8881266c9000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fb04a2f7000 CR3: 000000006d678000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 txCommit+0x4f20/0x5410 fs/jfs/jfs_txnmgr.c:1336
 jfs_truncate_nolock+0x22f/0x340 fs/jfs/inode.c:407
 jfs_truncate fs/jfs/inode.c:420 [inline]
 jfs_write_failed fs/jfs/inode.c:295 [inline]
 jfs_write_end+0x16f/0x1f0 fs/jfs/inode.c:322
 generic_perform_write+0x5f7/0x8b0 mm/filemap.c:4335
 generic_file_write_iter+0x14b/0x690 mm/filemap.c:4457
 new_sync_write fs/read_write.c:593 [inline]
 vfs_write+0x629/0xba0 fs/read_write.c:686
 ksys_pwrite64 fs/read_write.c:793 [inline]
 __do_sys_pwrite64 fs/read_write.c:801 [inline]
 __se_sys_pwrite64 fs/read_write.c:798 [inline]
 __x64_sys_pwrite64+0x19c/0x230 fs/read_write.c:798
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xe2/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f465f31aeb9
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:00007f465d576028 EFLAGS: 00000246 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f465f595fa0 RCX: 00007f465f31aeb9
RDX: 000000000000ff10 RSI: 0000200000000140 RDI: 0000000000000004
RBP: 00007f465f388c1f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000008000c61 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f465f596038 R14: 00007f465f595fa0 R15: 00007fffa4917b38
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:txUnlock+0xd7a/0xdc0 fs/jfs/jfs_txnmgr.c:932
Code: d9 fd 90 0f 0b e8 76 53 75 fe 48 c7 c7 20 62 6a 8b 48 c7 c6 19 5e 6a 8b ba a4 03 00 00 48 c7 c1 60 6f 6a 8b e8 07 76 d9 fd 90 <0f> 0b e8 4f 53 75 fe 48 c7 c7 20 62 6a 8b 48 c7 c6 19 5e 6a 8b ba
RSP: 0018:ffffc900046ef570 EFLAGS: 00010246
RAX: 0000000000000037 RBX: 0000000000001000 RCX: d37a08c6b1301400
RDX: ffffc9001e3c0000 RSI: 000000000000402a RDI: 000000000000402b
RBP: ffffc9000352a3f0 R08: 0000000000000000 R09: 0000000000000000
R10: dffffc0000000000 R11: fffff520008dde5d R12: dffffc0000000000
R13: 1ffff11006322f07 R14: ffff888031917838 R15: 0000000000000000
FS:  00007f465d5766c0(0000) GS:ffff8881266c9000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fb04a2f7000 CR3: 000000006d678000 CR4: 00000000003526f0