From 22afe9ca4bd26287554f282cbed9a367deb77186 Mon Sep 17 00:00:00 2001 From: Michal Suchanek Date: Fri, 6 Apr 2018 12:36:41 +0200 Subject: [PATCH] libkmod-signature: pkcs#7: fix crash when signer info is not present. Reported-by: Kazuya Saito Signed-off-by: Michal Suchanek --- libkmod/libkmod-signature.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libkmod/libkmod-signature.c b/libkmod/libkmod-signature.c index fae074e6dd1d..782e96f69fef 100644 --- a/libkmod/libkmod-signature.c +++ b/libkmod/libkmod-signature.c @@ -166,7 +166,7 @@ kmod_module_signature_info_pkcs7(const char *mem, sig_info->key_id_len = cert->key_id_size; sig_info->signer = cert->signer; - sig_info->signer_len = strlen(cert->signer); + sig_info->signer_len = cert->signer ? strlen(cert->signer) : 0; sig_info->algo = NULL; sig_info->hash_algo = cert->hash_algo; -- 2.13.6