BUG at fs/jfs/jfs_txnmgr.c:931 assert(mp->nohomeok > 0) ------------[ cut here ]------------ kernel BUG at fs/jfs/jfs_txnmgr.c:931! Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN NOPTI CPU: 1 UID: 0 PID: 112 Comm: jfsCommit Not tainted 6.13.0-rc3-syzkaller-00209-g499551201b5f #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 RIP: 0010:txUnlock+0xa29/0xb20 fs/jfs/jfs_txnmgr.c:931 Code: e9 69 fd ff ff e8 27 00 7b fe 48 c7 c1 20 28 ac 8b ba a3 03 00 00 48 c7 c6 a0 27 ac 8b 48 c7 c7 e0 27 ac 8b e8 d8 36 5a fe 90 <0f> 0b e8 90 cd dc fe e9 6b f8 ff ff e8 f6 ff 7a fe 48 c7 c1 60 27 RSP: 0018:ffffc90002db7d48 EFLAGS: 00010286 RAX: 0000000000000037 RBX: ffffc9000292a090 RCX: ffffffff81795d09 RDX: 0000000000000000 RSI: ffffffff817a06d6 RDI: 0000000000000005 RBP: ffff88801e2abe88 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000080000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000002 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007feb919452d8 CR3: 0000000032752000 CR4: 0000000000350ef0 Call Trace: txLazyCommit fs/jfs/jfs_txnmgr.c:2682 [inline] jfs_lazycommit+0x730/0xb20 fs/jfs/jfs_txnmgr.c:2733 kthread+0x2c4/0x3a0 kernel/kthread.c:389 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:txUnlock+0xa29/0xb20 fs/jfs/jfs_txnmgr.c:931 Code: e9 69 fd ff ff e8 27 00 7b fe 48 c7 c1 20 28 ac 8b ba a3 03 00 00 48 c7 c6 a0 27 ac 8b 48 c7 c7 e0 27 ac 8b e8 d8 36 5a fe 90 <0f> 0b e8 90 cd dc fe e9 6b f8 ff ff e8 f6 ff 7a fe 48 c7 c1 60 27 RSP: 0018:ffffc90002db7d48 EFLAGS: 00010286 RAX: 0000000000000037 RBX: ffffc9000292a090 RCX: ffffffff81795d09 RDX: 0000000000000000 RSI: ffffffff817a06d6 RDI: 0000000000000005 RBP: ffff88801e2abe88 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000080000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000002 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f81d7d66018 CR3: 0000000032752000 CR4: 0000000000350ef0