diff options
| -rw-r--r-- | fs/exfat/io.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/fs/exfat/io.c b/fs/exfat/io.c index c56f5675987..77cd2dfb6dc 100644 --- a/fs/exfat/io.c +++ b/fs/exfat/io.c @@ -720,6 +720,9 @@ int exfat_fs_opendir(const char *filename, struct fs_dir_stream **dirsp) struct exfat_node *dnode; int err; + if (strlen(filename) >= PATH_MAX) + return -ENAMETOOLONG; + err = exfat_lookup_realpath(&ctxt.ef, &dnode, filename); if (err) return err; @@ -736,7 +739,7 @@ int exfat_fs_opendir(const char *filename, struct fs_dir_stream **dirsp) if (!dirs) return -ENOMEM; - strcpy(dirs->dirname, filename); + strncpy(dirs->dirname, filename, PATH_MAX - 1); dirs->offset = -1; *dirsp = &dirs->fs_dirs; |