python-dmidecode/0002-Fix-wrong-DMI-structures-count.patch

60 lines
2.0 KiB
Diff

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