syzbot

BUG at fs/jfs/jfs_txnmgr.c:931 assert(mp->nohomeok > 0)
------------[ cut here ]------------
kernel BUG at fs/jfs/jfs_txnmgr.c:931!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 276 Comm: jfsCommit Not tainted 5.15.164-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024
RIP: 0010:txUnlock+0xc6e/0xca0 fs/jfs/jfs_txnmgr.c:931
Code: 18 7d 4b 07 0f 0b e8 a1 fb 99 fe 48 c7 c7 40 73 c1 8a 48 c7 c6 39 6f c1 8a ba a3 03 00 00 48 c7 c1 00 7e c1 8a e8 f2 7c 4b 07 <0f> 0b e8 7b fb 99 fe 48 c7 c7 40 73 c1 8a 48 c7 c6 39 6f c1 8a ba
RSP: 0018:ffffc90002d07d08 EFLAGS: 00010246
RAX: 0000000000000037 RBX: 0000000000000000 RCX: 9af151a301d05700
RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
RBP: ffff88807bd63000 R08: ffffffff8166892c R09: ffffed10173667a8
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff88801e480800
R13: ffff888016396e94 R14: ffffc9000287a000 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ff05c068138 CR3: 0000000023b9c000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 txLazyCommit fs/jfs/jfs_txnmgr.c:2716 [inline]
 jfs_lazycommit+0x5cd/0xc30 fs/jfs/jfs_txnmgr.c:2766
 kthread+0x3f6/0x4f0 kernel/kthread.c:334
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287
 </TASK>
Modules linked in:
---[ end trace 530eab24e61b0e1f ]---
RIP: 0010:txUnlock+0xc6e/0xca0 fs/jfs/jfs_txnmgr.c:931
Code: 18 7d 4b 07 0f 0b e8 a1 fb 99 fe 48 c7 c7 40 73 c1 8a 48 c7 c6 39 6f c1 8a ba a3 03 00 00 48 c7 c1 00 7e c1 8a e8 f2 7c 4b 07 <0f> 0b e8 7b fb 99 fe 48 c7 c7 40 73 c1 8a 48 c7 c6 39 6f c1 8a ba
RSP: 0018:ffffc90002d07d08 EFLAGS: 00010246
RAX: 0000000000000037 RBX: 0000000000000000 RCX: 9af151a301d05700
RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
RBP: ffff88807bd63000 R08: ffffffff8166892c R09: ffffed10173667a8
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff88801e480800
R13: ffff888016396e94 R14: ffffc9000287a000 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ff05c068138 CR3: 0000000023b9c000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400