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] SMP KASAN PTI CPU: 1 UID: 0 PID: 114 Comm: jfsCommit Not tainted 6.16.0-rc6-next-20250718-syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 RIP: 0010:txUnlock+0xdaf/0xdf0 fs/jfs/jfs_txnmgr.c:931 Code: e5 fd 90 0f 0b e8 91 fd 7d fe 48 c7 c7 a0 14 c4 8b 48 c7 c6 99 10 c4 8b ba a3 03 00 00 48 c7 c1 a0 21 c4 8b e8 e2 e9 e5 fd 90 <0f> 0b e8 6a fd 7d fe 48 c7 c7 a0 14 c4 8b 48 c7 c6 99 10 c4 8b ba RSP: 0018:ffffc90002dc7bc8 EFLAGS: 00010246 RAX: 0000000000000037 RBX: 0000000000001000 RCX: 61ff256897cc6d00 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: ffffc9000292a0d8 R08: ffffc90002dc78e7 R09: 1ffff920005b8f1c R10: dffffc0000000000 R11: fffff520005b8f1d R12: dffffc0000000000 R13: 1ffff1100fcd414b R14: ffff88807e6a0a58 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff888125ce3000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f025ffff000 CR3: 000000007be0c000 CR4: 00000000003526f0 Call Trace: txLazyCommit fs/jfs/jfs_txnmgr.c:2682 [inline] jfs_lazycommit+0x584/0xa90 fs/jfs/jfs_txnmgr.c:2733 kthread+0x70e/0x8a0 kernel/kthread.c:463 ret_from_fork+0x3f9/0x770 arch/x86/kernel/process.c:148 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:931 Code: e5 fd 90 0f 0b e8 91 fd 7d fe 48 c7 c7 a0 14 c4 8b 48 c7 c6 99 10 c4 8b ba a3 03 00 00 48 c7 c1 a0 21 c4 8b e8 e2 e9 e5 fd 90 <0f> 0b e8 6a fd 7d fe 48 c7 c7 a0 14 c4 8b 48 c7 c6 99 10 c4 8b ba RSP: 0018:ffffc90002dc7bc8 EFLAGS: 00010246 RAX: 0000000000000037 RBX: 0000000000001000 RCX: 61ff256897cc6d00 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: ffffc9000292a0d8 R08: ffffc90002dc78e7 R09: 1ffff920005b8f1c R10: dffffc0000000000 R11: fffff520005b8f1d R12: dffffc0000000000 R13: 1ffff1100fcd414b R14: ffff88807e6a0a58 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff888125ce3000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f02676680f8 CR3: 000000007c770000 CR4: 00000000003526f0