SHA256
1
0
forked from pool/tpm2.0-tools
tpm2.0-tools/0001-tpm2_checkquote-fix-uninitialized-variable.patch

38 lines
1.2 KiB
Diff
Raw Normal View History

From 3d7edb1c70cba6c34c71c9b856c07b8adcebb15c Mon Sep 17 00:00:00 2001
From: Alberto Planas <aplanas@suse.com>
Date: Thu, 17 Jun 2021 11:07:25 +0200
Subject: [PATCH] tpm2_checkquote: fix uninitialized variable
The variable `temp_pcrs` is uninitialized, and later partially
uninitialized when reading the selection data from file.
When activating lto optimizations, this bug presents itself showing an
error during the read of the quote:
ERROR: Malformed PCR file, pcr count cannot be greater than 32, got: ...
Fixes: #2767
Co-authored-by: Martin Liska <marxin.liska@gmail.com>
Signed-off-by: Alberto Planas <aplanas@suse.com>
---
tools/misc/tpm2_checkquote.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/tools/misc/tpm2_checkquote.c b/tools/misc/tpm2_checkquote.c
index 53150857..8d780f11 100644
--- a/tools/misc/tpm2_checkquote.c
+++ b/tools/misc/tpm2_checkquote.c
@@ -376,7 +376,7 @@ static tool_rc init(void) {
TPM2B_ATTEST *msg = NULL;
TPML_PCR_SELECTION pcr_select;
tpm2_pcrs *pcrs;
- tpm2_pcrs temp_pcrs;
+ tpm2_pcrs temp_pcrs = {};
tool_rc return_value = tool_rc_general_error;
msg = message_from_file(ctx.msg_file_path);
--
2.32.0