diff options
Diffstat (limited to 'fs/fat/fat.c')
| -rw-r--r-- | fs/fat/fat.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/fs/fat/fat.c b/fs/fat/fat.c index e0c076763f5..ac8913e7192 100644 --- a/fs/fat/fat.c +++ b/fs/fat/fat.c @@ -821,6 +821,9 @@ static dir_entry *extract_vfat_name(fat_itr *itr) slot2str((dir_slot *)dent, buf, &idx); + if (n + idx >= sizeof(itr->l_name)) + return NULL; + /* shift accumulated long-name up and copy new part in: */ memmove(itr->l_name + idx, itr->l_name, n); memcpy(itr->l_name, buf, idx); |