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: 122 Comm: jfsCommit Tainted: G L syzkaller #0 PREEMPT(full) Tainted: [L]=SOFTLOCKUP Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/15/2026 RIP: 0010:txUnlock.cold+0xaa/0xac fs/jfs/jfs_txnmgr.c:933 Code: f6 ff 90 0f 0b e8 41 71 e2 00 48 c7 c1 e0 ee 5a 8c ba a5 03 00 00 48 c7 c6 20 ee 5a 8c 48 c7 c7 60 ee 5a 8c e8 c2 93 f6 ff 90 <0f> 0b e8 1a 71 e2 00 48 c7 c7 00 f0 5a 8c e8 ae 93 f6 ff e9 85 07 RSP: 0018:ffffc90002dbfcd0 EFLAGS: 00010282 RAX: 0000000000000037 RBX: ffffc90002912048 RCX: 0000000000000000 RDX: 0000000000000037 RSI: ffffffff81ec0119 RDI: fffff520005b7f8b RBP: ffff88802d558e88 R08: 0000000000000000 R09: 0000000000000000 R10: ffffc90002dbfa97 R11: 0000000000000001 R12: 0000000000000008 R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000001 FS: 0000000000000000(0000) GS:ffff888122477000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f229cd5da08 CR3: 00000000395d2000 CR4: 0000000000350ef0 Call Trace: txLazyCommit fs/jfs/jfs_txnmgr.c:2684 [inline] jfs_lazycommit+0x706/0xab0 fs/jfs/jfs_txnmgr.c:2735 kthread+0x373/0x450 kernel/kthread.c:436 ret_from_fork+0x730/0xd60 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.cold+0xaa/0xac fs/jfs/jfs_txnmgr.c:933 Code: f6 ff 90 0f 0b e8 41 71 e2 00 48 c7 c1 e0 ee 5a 8c ba a5 03 00 00 48 c7 c6 20 ee 5a 8c 48 c7 c7 60 ee 5a 8c e8 c2 93 f6 ff 90 <0f> 0b e8 1a 71 e2 00 48 c7 c7 00 f0 5a 8c e8 ae 93 f6 ff e9 85 07 RSP: 0018:ffffc90002dbfcd0 EFLAGS: 00010282 RAX: 0000000000000037 RBX: ffffc90002912048 RCX: 0000000000000000 RDX: 0000000000000037 RSI: ffffffff81ec0119 RDI: fffff520005b7f8b RBP: ffff88802d558e88 R08: 0000000000000000 R09: 0000000000000000 R10: ffffc90002dbfa97 R11: 0000000000000001 R12: 0000000000000008 R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000001 FS: 0000000000000000(0000) GS:ffff888122477000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f229c1f72f8 CR3: 0000000074ff9000 CR4: 0000000000350ef0