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 NOPTI CPU: 0 UID: 0 PID: 111 Comm: jfsCommit Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 RIP: 0010:txUnlock+0xdaf/0xdf0 fs/jfs/jfs_txnmgr.c:932 Code: df fd 90 0f 0b e8 81 3b 78 fe 48 c7 c7 e0 ab a4 8b 48 c7 c6 d9 a7 a4 8b ba a4 03 00 00 48 c7 c1 e0 b8 a4 8b e8 52 88 df fd 90 <0f> 0b e8 5a 3b 78 fe 48 c7 c7 e0 ab a4 8b 48 c7 c6 d9 a7 a4 8b ba RSP: 0018:ffffc900026b7ba8 EFLAGS: 00010246 RAX: 0000000000000037 RBX: 0000000000001000 RCX: 22dad337fe034800 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: ffffc900028da3f0 R08: ffffc900026b78c7 R09: 1ffff920004d6f18 R10: dffffc0000000000 R11: fffff520004d6f19 R12: dffffc0000000000 R13: 1ffff1100ec75434 R14: ffff8880763aa1a0 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff888125d0d000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fb0311f8000 CR3: 0000000030bfa000 CR4: 0000000000350ef0 Call Trace: txLazyCommit fs/jfs/jfs_txnmgr.c:2683 [inline] jfs_lazycommit+0x584/0xa90 fs/jfs/jfs_txnmgr.c:2734 kthread+0x711/0x8a0 kernel/kthread.c:463 ret_from_fork+0x4bc/0x870 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:txUnlock+0xdaf/0xdf0 fs/jfs/jfs_txnmgr.c:932 Code: df fd 90 0f 0b e8 81 3b 78 fe 48 c7 c7 e0 ab a4 8b 48 c7 c6 d9 a7 a4 8b ba a4 03 00 00 48 c7 c1 e0 b8 a4 8b e8 52 88 df fd 90 <0f> 0b e8 5a 3b 78 fe 48 c7 c7 e0 ab a4 8b 48 c7 c6 d9 a7 a4 8b ba RSP: 0018:ffffc900026b7ba8 EFLAGS: 00010246 RAX: 0000000000000037 RBX: 0000000000001000 RCX: 22dad337fe034800 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: ffffc900028da3f0 R08: ffffc900026b78c7 R09: 1ffff920004d6f18 R10: dffffc0000000000 R11: fffff520004d6f19 R12: dffffc0000000000 R13: 1ffff1100ec75434 R14: ffff8880763aa1a0 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff888125d0d000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f24e1577f98 CR3: 0000000031408000 CR4: 0000000000350ef0