vfs: zero removed mount slot after shifting to prevent stale data in reused slots...

diff --git a/src/kernel/fs.c b/src/kernel/fs.c
index 950c0928f02cf3919f27831881ca22eee3591f74..ccc47e0841f5179cb3949ad1b04a90c9a1e2ab73 100644 (file)
--- a/src/kernel/fs.c
+++ b/src/kernel/fs.c
@@ -202,6 +202,7 @@ int vfs_umount_nolock(const char* mountpoint) {
 
     for (int j = idx; j < g_mount_count - 1; j++)
         g_mounts[j] = g_mounts[j + 1];
+    memset(&g_mounts[g_mount_count - 1], 0, sizeof(g_mounts[0]));
     g_mount_count--;
     return 0;
 }