We should not scan beyond the end of string name.
Signed-off-by: Heinrich Schuchardt heinrich.schuchardt@canonical.com --- lib/efi_loader/efi_var_mem.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/lib/efi_loader/efi_var_mem.c b/lib/efi_loader/efi_var_mem.c index e1058e3c6a..d6b65aed12 100644 --- a/lib/efi_loader/efi_var_mem.c +++ b/lib/efi_loader/efi_var_mem.c @@ -41,11 +41,13 @@ efi_var_mem_compare(struct efi_var_entry *var, const efi_guid_t *guid, i < sizeof(efi_guid_t) && match; ++i) match = (guid1[i] == guid2[i]);
- for (data = var->name, var_name = name;; ++data, ++var_name) { + for (data = var->name, var_name = name;; ++data) { if (match) match = (*data == *var_name); if (!*data) break; + if (*var_name) + ++var_name; }
++data;