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[PATCH v1] hw/smbios: verify header type for file before using it
From: |
Daniil Tatianin |
Subject: |
[PATCH v1] hw/smbios: verify header type for file before using it |
Date: |
Mon, 29 Nov 2021 16:52:11 +0300 |
Signed-off-by: Daniil Tatianin <d-tatianin@yandex-team.ru>
---
hw/smbios/smbios.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/hw/smbios/smbios.c b/hw/smbios/smbios.c
index 7397e56737..c55f77368a 100644
--- a/hw/smbios/smbios.c
+++ b/hw/smbios/smbios.c
@@ -1163,6 +1163,12 @@ void smbios_entry_add(QemuOpts *opts, Error **errp)
return;
}
+ if (header->type > SMBIOS_MAX_TYPE) {
+ error_setg(errp,
+ "invalid header type %d!", header->type);
+ return;
+ }
+
if (test_bit(header->type, have_fields_bitmap)) {
error_setg(errp,
"can't load type %d struct, fields already specified!",
--
2.25.1
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