From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 32B99C77B78 for ; Tue, 18 Apr 2023 12:45:12 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=L7553dKrqxbzpgg1HPFEWe0Picc0gzg2q0jTFSz2xBc=; b=qOfDZCK2mWTUM7 RgIiqa2i3PkuclZu2EA5dwkQTDXQArFLgXKRdPKBg+7RRvCJRBWEosyii+yxldHwRMm4jQXId+l8z aNP/xOXa3iVUHKwnV2J4nR4QPBysaxNIwCWIXolfBL2MWyyKi637F7XQJMR6jaRcSK5DGWvAuhGtq 3YI8qahLq0XJ5CQtBAauXXRPWrEIHCphe0SjriMusmThSgNJ0LixgX3b+bkWsWpm6tAjLzsFUJ+c0 dE1CPYaiOcqNbyKC0VGXEHjhTz4+HwW5vyYh1NSiRZv0sFfwHYp8/Vly77oA5Lhg3VNiCNHAe+h5C koaOKbL28PvuaatFSH2A==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1pokhp-002AMA-0r; Tue, 18 Apr 2023 12:45:09 +0000 Received: from dfw.source.kernel.org ([2604:1380:4641:c500::1]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1pokhl-002ALM-2m for kexec@lists.infradead.org; Tue, 18 Apr 2023 12:45:07 +0000 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 7941863385; Tue, 18 Apr 2023 12:45:05 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 67310C433EF; Tue, 18 Apr 2023 12:45:04 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1681821904; bh=awSbJMtl69icfKm+n181Xun+4k6pIOSZgtNyGGaUfOk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=WjatmGZqc5pK6WoRWLlDAGSFhIw5thFTxCJy8p0T1207NYvdOshPZMdHReceMkeqN +CNv56tkaBzRQtOemHEZN5GxmFqs7MCKsaLPBzxYpKpoPR0QqxsFJJyM39kY7RzU52 Ju3FXDHFOUz99ML4epNO215ZnzguCan/fBT0PtrE= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Robbie Harwood , David Howells , Jarkko Sakkinen , Eric Biederman , Herbert Xu , keyrings@vger.kernel.org, linux-crypto@vger.kernel.org, kexec@lists.infradead.org, Sasha Levin Subject: [PATCH 6.1 086/134] asymmetric_keys: log on fatal failures in PE/pkcs7 Date: Tue, 18 Apr 2023 14:22:22 +0200 Message-Id: <20230418120316.132614730@linuxfoundation.org> X-Mailer: git-send-email 2.40.0 In-Reply-To: <20230418120313.001025904@linuxfoundation.org> References: <20230418120313.001025904@linuxfoundation.org> User-Agent: quilt/0.67 MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230418_054505_973085_4896BD63 X-CRM114-Status: GOOD ( 15.20 ) X-BeenThere: kexec@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "kexec" Errors-To: kexec-bounces+kexec=archiver.kernel.org@lists.infradead.org From: Robbie Harwood [ Upstream commit 3584c1dbfffdabf8e3dc1dd25748bb38dd01cd43 ] These particular errors can be encountered while trying to kexec when secureboot lockdown is in place. Without this change, even with a signed debug build, one still needs to reboot the machine to add the appropriate dyndbg parameters (since lockdown blocks debugfs). Accordingly, upgrade all pr_debug() before fatal error into pr_warn(). Signed-off-by: Robbie Harwood Signed-off-by: David Howells cc: Jarkko Sakkinen cc: Eric Biederman cc: Herbert Xu cc: keyrings@vger.kernel.org cc: linux-crypto@vger.kernel.org cc: kexec@lists.infradead.org Link: https://lore.kernel.org/r/20230220171254.592347-3-rharwood@redhat.com/ # v2 Signed-off-by: Sasha Levin --- crypto/asymmetric_keys/pkcs7_verify.c | 10 +++++----- crypto/asymmetric_keys/verify_pefile.c | 24 ++++++++++++------------ 2 files changed, 17 insertions(+), 17 deletions(-) diff --git a/crypto/asymmetric_keys/pkcs7_verify.c b/crypto/asymmetric_keys/pkcs7_verify.c index f6321c785714c..3da32813e4412 100644 --- a/crypto/asymmetric_keys/pkcs7_verify.c +++ b/crypto/asymmetric_keys/pkcs7_verify.c @@ -79,16 +79,16 @@ static int pkcs7_digest(struct pkcs7_message *pkcs7, } if (sinfo->msgdigest_len != sig->digest_size) { - pr_debug("Sig %u: Invalid digest size (%u)\n", - sinfo->index, sinfo->msgdigest_len); + pr_warn("Sig %u: Invalid digest size (%u)\n", + sinfo->index, sinfo->msgdigest_len); ret = -EBADMSG; goto error; } if (memcmp(sig->digest, sinfo->msgdigest, sinfo->msgdigest_len) != 0) { - pr_debug("Sig %u: Message digest doesn't match\n", - sinfo->index); + pr_warn("Sig %u: Message digest doesn't match\n", + sinfo->index); ret = -EKEYREJECTED; goto error; } @@ -478,7 +478,7 @@ int pkcs7_supply_detached_data(struct pkcs7_message *pkcs7, const void *data, size_t datalen) { if (pkcs7->data) { - pr_debug("Data already supplied\n"); + pr_warn("Data already supplied\n"); return -EINVAL; } pkcs7->data = data; diff --git a/crypto/asymmetric_keys/verify_pefile.c b/crypto/asymmetric_keys/verify_pefile.c index fe1bb374239d7..22beaf2213a22 100644 --- a/crypto/asymmetric_keys/verify_pefile.c +++ b/crypto/asymmetric_keys/verify_pefile.c @@ -74,7 +74,7 @@ static int pefile_parse_binary(const void *pebuf, unsigned int pelen, break; default: - pr_debug("Unknown PEOPT magic = %04hx\n", pe32->magic); + pr_warn("Unknown PEOPT magic = %04hx\n", pe32->magic); return -ELIBBAD; } @@ -95,7 +95,7 @@ static int pefile_parse_binary(const void *pebuf, unsigned int pelen, ctx->certs_size = ddir->certs.size; if (!ddir->certs.virtual_address || !ddir->certs.size) { - pr_debug("Unsigned PE binary\n"); + pr_warn("Unsigned PE binary\n"); return -ENODATA; } @@ -127,7 +127,7 @@ static int pefile_strip_sig_wrapper(const void *pebuf, unsigned len; if (ctx->sig_len < sizeof(wrapper)) { - pr_debug("Signature wrapper too short\n"); + pr_warn("Signature wrapper too short\n"); return -ELIBBAD; } @@ -142,16 +142,16 @@ static int pefile_strip_sig_wrapper(const void *pebuf, * rounded up since 0.110. */ if (wrapper.length > ctx->sig_len) { - pr_debug("Signature wrapper bigger than sig len (%x > %x)\n", - ctx->sig_len, wrapper.length); + pr_warn("Signature wrapper bigger than sig len (%x > %x)\n", + ctx->sig_len, wrapper.length); return -ELIBBAD; } if (wrapper.revision != WIN_CERT_REVISION_2_0) { - pr_debug("Signature is not revision 2.0\n"); + pr_warn("Signature is not revision 2.0\n"); return -ENOTSUPP; } if (wrapper.cert_type != WIN_CERT_TYPE_PKCS_SIGNED_DATA) { - pr_debug("Signature certificate type is not PKCS\n"); + pr_warn("Signature certificate type is not PKCS\n"); return -ENOTSUPP; } @@ -164,7 +164,7 @@ static int pefile_strip_sig_wrapper(const void *pebuf, ctx->sig_offset += sizeof(wrapper); ctx->sig_len -= sizeof(wrapper); if (ctx->sig_len < 4) { - pr_debug("Signature data missing\n"); + pr_warn("Signature data missing\n"); return -EKEYREJECTED; } @@ -198,7 +198,7 @@ static int pefile_strip_sig_wrapper(const void *pebuf, return 0; } not_pkcs7: - pr_debug("Signature data not PKCS#7\n"); + pr_warn("Signature data not PKCS#7\n"); return -ELIBBAD; } @@ -341,8 +341,8 @@ static int pefile_digest_pe(const void *pebuf, unsigned int pelen, digest_size = crypto_shash_digestsize(tfm); if (digest_size != ctx->digest_len) { - pr_debug("Digest size mismatch (%zx != %x)\n", - digest_size, ctx->digest_len); + pr_warn("Digest size mismatch (%zx != %x)\n", + digest_size, ctx->digest_len); ret = -EBADMSG; goto error_no_desc; } @@ -373,7 +373,7 @@ static int pefile_digest_pe(const void *pebuf, unsigned int pelen, * PKCS#7 certificate. */ if (memcmp(digest, ctx->digest, ctx->digest_len) != 0) { - pr_debug("Digest mismatch\n"); + pr_warn("Digest mismatch\n"); ret = -EKEYREJECTED; } else { pr_debug("The digests match!\n"); -- 2.39.2 _______________________________________________ kexec mailing list kexec@lists.infradead.org http://lists.infradead.org/mailman/listinfo/kexec