Blob Blame History Raw
From 5643ecc7530489bf0875c4fe96031671b3cda435 Mon Sep 17 00:00:00 2001
From: Lichen Liu <lichliu@redhat.com>
Date: Fri, 17 Feb 2023 11:09:05 +0800
Subject: [PATCH] Fix wrong DMI structures count

SMBIOS v3 64-bit entry points do not announce a structures count,
and only indicate a maximum size for the table.

Remove debug log.

Signed-off-by: Lichen Liu <lichliu@redhat.com>
---
 src/dmidecode.c | 10 +++++++---
 src/efi.c       |  4 ----
 2 files changed, 7 insertions(+), 7 deletions(-)

diff --git a/src/dmidecode.c b/src/dmidecode.c
index d1a10c1..a013c53 100644
--- a/src/dmidecode.c
+++ b/src/dmidecode.c
@@ -6241,13 +6241,17 @@ static void dmi_table(Log_t *logp, int type, u32 base, u32 len, u16 num, u32 ver
                 dmixml_AddAttribute(handle_n, "type", "%i", type);
                 dmixml_AddAttribute(handle_n, "notfound", "1");
         }
-
-        if(i != num) {
+	/*
+	 * SMBIOS v3 64-bit entry points do not announce a structures count,
+	 * and only indicate a maximum size for the table.
+	 */
+        if(num && i != num) {
                 log_append(logp, LOGFL_NODUPS, LOG_WARNING,
                            "Wrong DMI structures count: %d announced, only %d decoded.", num, i);
         }
 
-        if(data - buf != len) {
+        if((unsigned long)(data - buf) > len
+		 || (num && (unsigned long)(data - buf) < len)) {
                 log_append(logp, LOGFL_NODUPS, LOG_WARNING,
                         "Wrong DMI structures length: %d bytes announced, structures occupy %d bytes.",
                         len, (unsigned int)(data - buf));
diff --git a/src/efi.c b/src/efi.c
index e519257..362e2f9 100644
--- a/src/efi.c
+++ b/src/efi.c
@@ -83,10 +83,6 @@ int address_from_efi(Log_t *logp, size_t * address)
                 log_append(logp, LOGFL_NODUPS, LOG_WARNING, "%s: SMBIOS entry point missing", filename);
         }
 
-        if(ret == 0){
-                log_append(logp, LOGFL_NODUPS, LOG_DEBUG, "%s: entry point at 0x%08llx", eptype, (unsigned long long)*address);
-        }
-
         return ret;
 }
 
-- 
2.39.1