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: 1 UID: 0 PID: 116 Comm: jfsCommit Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 RIP: 0010:txUnlock.cold+0xaa/0xac fs/jfs/jfs_txnmgr.c:933 Code: f6 ff 90 0f 0b e8 65 cc dc 00 48 c7 c1 e0 8a f7 8b ba a5 03 00 00 48 c7 c6 20 8a f7 8b 48 c7 c7 60 8a f7 8b e8 16 b0 f6 ff 90 <0f> 0b e8 3e cc dc 00 48 c7 c7 00 8c f7 8b e8 02 b0 f6 ff e9 49 bd RSP: 0018:ffffc90002dd7cd0 EFLAGS: 00010282 RAX: 0000000000000037 RBX: ffffc9000294a168 RCX: 0000000000000000 RDX: 0000000000000037 RSI: ffffffff81e711a9 RDI: fffff520005baf8b RBP: ffff88801ef979b0 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000080000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000005 FS: 0000000000000000(0000) GS:ffff888124479000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000200000005030 CR3: 0000000060c5c000 CR4: 0000000000350ef0 Call Trace: txLazyCommit fs/jfs/jfs_txnmgr.c:2684 [inline] jfs_lazycommit+0x706/0xab0 fs/jfs/jfs_txnmgr.c:2735 kthread+0x370/0x450 kernel/kthread.c:436 ret_from_fork+0x72b/0xd50 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 65 cc dc 00 48 c7 c1 e0 8a f7 8b ba a5 03 00 00 48 c7 c6 20 8a f7 8b 48 c7 c7 60 8a f7 8b e8 16 b0 f6 ff 90 <0f> 0b e8 3e cc dc 00 48 c7 c7 00 8c f7 8b e8 02 b0 f6 ff e9 49 bd RSP: 0018:ffffc90002dd7cd0 EFLAGS: 00010282 RAX: 0000000000000037 RBX: ffffc9000294a168 RCX: 0000000000000000 RDX: 0000000000000037 RSI: ffffffff81e711a9 RDI: fffff520005baf8b RBP: ffff88801ef979b0 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000080000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000005 FS: 0000000000000000(0000) GS:ffff888124379000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000200000005000 CR3: 000000007b624000 CR4: 0000000000350ef0