From 1f157561568e326895545ae621b6584dc2e691e4 Mon Sep 17 00:00:00 2001
From: "Alan C. Assis" <acassis@gmail.com>
Date: Tue, 21 Oct 2025 10:06:38 -0300
Subject: [PATCH] fs/fat: Ignore //... sequences in the file path

This fixes an issue reported by user harishn6 on github.

Signed-off-by: Alan C. Assis <acassis@gmail.com>
---
 fs/fat/fs_fat32dirent.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/fs/fat/fs_fat32dirent.c b/fs/fat/fs_fat32dirent.c
index b5baa6dca92..ed58c9fa21e 100644
--- a/fs/fat/fs_fat32dirent.c
+++ b/fs/fat/fs_fat32dirent.c
@@ -362,6 +362,13 @@ static inline int fat_parsesfname(FAR const char **path,
 #ifdef CONFIG_FAT_LCNAMES
           dirinfo->fd_ntflags = ntlcfound & ntlcenable;
 #endif
+          /* Ignore sequences of //... in the filename */
+
+          while (node && *node == '/')
+            {
+              node++;
+            }
+
           *terminator = ch;
           *path       = node;
           return OK;