tpm2_eventlog_yaml.c Fix output of BlobDescription.

JuergenReppSIT · JuergenReppSIT · commit ff457e211389 · 2025-02-10T08:52:29.000+01:00
The last byte of the BlobDescription for an EV_EFI_PLATFORM_FIRMWARE_BLOB2 event was not displayed. Fixes: #3455. Signed-off-by: Juergen Repp <juergen_repp@web.de>
diff --git a/lib/tpm2_eventlog_yaml.c b/lib/tpm2_eventlog_yaml.c
@@ -783,7 +783,7 @@ bool yaml_uefi_platfwblob2(UEFI_PLATFORM_FIRMWARE_BLOB2 *data) {
     return false;
   }
 
-  bytes_to_str (data->BlobDescription, blobdescsize, eventdesc, 2*blobdescsize);
+  bytes_to_str (data->BlobDescription, blobdescsize, eventdesc, 2*blobdescsize + 1);
 
   tpm2_tool_output("  Event:\n"
                    "    BlobDescriptionSize: %d\n"

Original file line number	Diff line number	Diff line change
`@@ -783,7 +783,7 @@ bool yaml_uefi_platfwblob2(UEFI_PLATFORM_FIRMWARE_BLOB2 *data) {`
`783`	`783`	`return false;`
`784`	`784`	`}`
`785`	`785`
`786`		`- bytes_to_str (data->BlobDescription, blobdescsize, eventdesc, 2*blobdescsize);`
	`786`	`+ bytes_to_str (data->BlobDescription, blobdescsize, eventdesc, 2*blobdescsize + 1);`
`787`	`787`
`788`	`788`	`tpm2_tool_output(" Event:\n"`
`789`	`789`	`" BlobDescriptionSize: %d\n"`