syzbot

BUG at fs/jfs/jfs_txnmgr.c:932 assert(mp->nohomeok > 0)
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kernel BUG at fs/jfs/jfs_txnmgr.c:932!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 112 Comm: jfsCommit Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
RIP: 0010:txUnlock+0xc87/0xcb0 fs/jfs/jfs_txnmgr.c:932
Code: ef f2 72 07 0f 0b e8 88 96 7f fe 48 c7 c7 40 1f 04 8b 48 c7 c6 39 1b 04 8b ba a4 03 00 00 48 c7 c1 20 2c 04 8b e8 c9 f2 72 07 <0f> 0b e8 62 96 7f fe 48 c7 c7 40 1f 04 8b 48 c7 c6 39 1b 04 8b ba
RSP: 0018:ffffc90002d37d08 EFLAGS: 00010246
RAX: 0000000000000037 RBX: 0000000000001000 RCX: a092f78d558c4900
RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
RBP: ffffc900028aa0d8 R08: ffffc90002d37a07 R09: 1ffff920005a6f40
R10: dffffc0000000000 R11: fffff520005a6f41 R12: ffff888076ac4ba0
R13: dffffc0000000000 R14: 0000000000000000 R15: ffff8880768ffc94
FS:  0000000000000000(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fe637787000 CR3: 000000002c8de000 CR4: 00000000003506f0
Call Trace:
 <TASK>
 txLazyCommit fs/jfs/jfs_txnmgr.c:2683 [inline]
 jfs_lazycommit+0x56e/0xa70 fs/jfs/jfs_txnmgr.c:2733
 kthread+0x2fa/0x390 kernel/kthread.c:388
 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:152
 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:293
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:txUnlock+0xc87/0xcb0 fs/jfs/jfs_txnmgr.c:932
Code: ef f2 72 07 0f 0b e8 88 96 7f fe 48 c7 c7 40 1f 04 8b 48 c7 c6 39 1b 04 8b ba a4 03 00 00 48 c7 c1 20 2c 04 8b e8 c9 f2 72 07 <0f> 0b e8 62 96 7f fe 48 c7 c7 40 1f 04 8b 48 c7 c6 39 1b 04 8b ba
RSP: 0018:ffffc90002d37d08 EFLAGS: 00010246
RAX: 0000000000000037 RBX: 0000000000001000 RCX: a092f78d558c4900
RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
RBP: ffffc900028aa0d8 R08: ffffc90002d37a07 R09: 1ffff920005a6f40
R10: dffffc0000000000 R11: fffff520005a6f41 R12: ffff888076ac4ba0
R13: dffffc0000000000 R14: 0000000000000000 R15: ffff8880768ffc94
FS:  0000000000000000(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fe637787000 CR3: 00000000306e1000 CR4: 00000000003506f0