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[Backport v2.7-branch] fs: fuse: Avoid possible buffer overflow #69624

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Feb 29, 2024
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[Backport v2.7-branch] fs: fuse: Avoid possible buffer overflow #69624

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9 changes: 8 additions & 1 deletion subsys/fs/fuse_fs_access.c
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Original file line number Diff line number Diff line change
Expand Up @@ -65,8 +65,15 @@ static void release_file_handle(size_t handle)
static bool is_mount_point(const char *path)
{
char dir_path[PATH_MAX];
size_t len;

sprintf(dir_path, "%s", path);
len = strlen(path);
if (len >= sizeof(dir_path)) {
return false;
}

memcpy(dir_path, path, len);
dir_path[len] = '\0';
return strcmp(dirname(dir_path), "/") == 0;
}

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