BUG at fs/jfs/jfs_txnmgr.c:933 assert(mp->nohomeok > 0) ------------[ cut here ]------------ kernel BUG at fs/jfs/jfs_txnmgr.c:933! Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI CPU: 0 UID: 0 PID: 115 Comm: jfsCommit Tainted: G L syzkaller #0 PREEMPT(full) Tainted: [L]=SOFTLOCKUP Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 RIP: 0010:txUnlock+0xd95/0xde0 fs/jfs/jfs_txnmgr.c:933 Code: be fd 90 0f 0b e8 0b 70 5d fe 48 c7 c7 60 7b 0c 8c 48 c7 c6 59 77 0c 8c ba a5 03 00 00 48 c7 c1 60 88 0c 8c e8 fc e8 be fd 90 <0f> 0b e8 e4 6f 5d fe 48 c7 c7 60 7b 0c 8c 48 c7 c6 59 77 0c 8c ba RSP: 0018:ffffc90002ca7c48 EFLAGS: 00010246 RAX: 0000000000000037 RBX: ffff88801cf420a8 RCX: 6a8d7c33c411cb00 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: 1ffff110039e8415 R08: ffff8880b8624713 R09: 1ffff110170c48e2 R10: dffffc0000000000 R11: ffffed10170c48e3 R12: ffffc9000281a318 R13: dffffc0000000000 R14: 0000000000000063 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff888125253000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055555f2f7a38 CR3: 000000007609f000 CR4: 0000000000350ef0 Call Trace: txLazyCommit fs/jfs/jfs_txnmgr.c:2684 [inline] jfs_lazycommit+0x59f/0xac0 fs/jfs/jfs_txnmgr.c:2735 kthread+0x388/0x470 kernel/kthread.c:436 ret_from_fork+0x514/0xb70 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+0xd95/0xde0 fs/jfs/jfs_txnmgr.c:933 Code: be fd 90 0f 0b e8 0b 70 5d fe 48 c7 c7 60 7b 0c 8c 48 c7 c6 59 77 0c 8c ba a5 03 00 00 48 c7 c1 60 88 0c 8c e8 fc e8 be fd 90 <0f> 0b e8 e4 6f 5d fe 48 c7 c7 60 7b 0c 8c 48 c7 c6 59 77 0c 8c ba RSP: 0018:ffffc90002ca7c48 EFLAGS: 00010246 RAX: 0000000000000037 RBX: ffff88801cf420a8 RCX: 6a8d7c33c411cb00 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: 1ffff110039e8415 R08: ffff8880b8624713 R09: 1ffff110170c48e2 R10: dffffc0000000000 R11: ffffed10170c48e3 R12: ffffc9000281a318 R13: dffffc0000000000 R14: 0000000000000063 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff888125253000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f4c56617dac CR3: 000000003c11c000 CR4: 0000000000350ef0