From nobody Tue Feb 10 07:40:14 2026 Received: from frasgout11.his.huawei.com (frasgout11.his.huawei.com [14.137.139.23]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id B16B0137C34; Fri, 16 Feb 2024 15:27:32 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=14.137.139.23 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1708097254; cv=none; b=rRDmLr6t1BXwxqeLt6p0HP7BdR3WKYik8oP+xzbweAVcETxAb6eqQkjNT8JXBixQ8LgWKrWmKZTef5R7E7lJT32gAvo4+i19Qf4IT8px9zn4Ob9o2u+DUnGahwGpgJCzaFXIoRlTna9dkcM8V82H2wAql7aptpY/VvJO7kb1C6E= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1708097254; c=relaxed/simple; bh=1epLc/DOV24B3afDA6oBxWor0nW2DCrx9aFgnnoOSeI=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=YcyEe5lmriW/sdIUBtnqBiyuiWKk/77Tq0OgxOaIGIydHpbbbGKpPzBDkMY3M5cGUcFrOo/SQlRoVuDjGFM/SfJsNAxINzgqGqocaopd6btC28UxGhxLzVK7FlESx7kRTGgjQUOqgDiiP/Mv9I9EMA1n+I36KKsbjiE+cwFEPrY= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=huaweicloud.com; spf=pass smtp.mailfrom=huaweicloud.com; arc=none smtp.client-ip=14.137.139.23 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=huaweicloud.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=huaweicloud.com Received: from mail.maildlp.com (unknown [172.18.186.29]) by frasgout11.his.huawei.com (SkyGuard) with ESMTP id 4TbwQL6XkLz9xqpd; Fri, 16 Feb 2024 23:12:10 +0800 (CST) Received: from mail02.huawei.com (unknown [7.182.16.27]) by mail.maildlp.com (Postfix) with ESMTP id 718A2140DEC; Fri, 16 Feb 2024 23:27:20 +0800 (CST) Received: from huaweicloud.com (unknown [10.48.131.30]) by APP2 (Coremail) with SMTP id GxC2BwAHQCRBfs9lTLSaAg--.11044S10; Fri, 16 Feb 2024 16:27:19 +0100 (CET) From: Petr Tesarik To: Dave Hansen Cc: =?UTF-8?B?UGV0ciBUZXNhxZnDrWs=?= , Petr Tesarik , Jonathan Corbet , Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , "maintainer:X86 ARCHITECTURE (32-BIT AND 64-BIT)" , "H. Peter Anvin" , Andy Lutomirski , Oleg Nesterov , Peter Zijlstra , Xin Li , Arnd Bergmann , Andrew Morton , Rick Edgecombe , Kees Cook , "Masami Hiramatsu (Google)" , Pengfei Xu , Josh Poimboeuf , Ze Gao , "Kirill A. Shutemov" , Kai Huang , David Woodhouse , Brian Gerst , Jason Gunthorpe , Joerg Roedel , "Mike Rapoport (IBM)" , Tina Zhang , Jacob Pan , "open list:DOCUMENTATION" , open list , Roberto Sassu , David Howells , Petr Tesarik Subject: [RFC 8/8] KEYS: Add intentional fault injection Date: Fri, 16 Feb 2024 16:24:35 +0100 Message-Id: <20240216152435.1575-9-petrtesarik@huaweicloud.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240216152435.1575-1-petrtesarik@huaweicloud.com> References: <20240216152435.1575-1-petrtesarik@huaweicloud.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-CM-TRANSID: GxC2BwAHQCRBfs9lTLSaAg--.11044S10 X-Coremail-Antispam: 1UD129KBjvJXoW7KF43tr1UJw1ruw1ktw1UWrg_yoW8XryDpa 18Cw1FkFyFgr1ayay3Ga17G34rAFy0yFWagw40yws0kasrXr1kKayIkF4Fga45trn5tryr Ars5Za45ZF1jyrJanT9S1TB71UUUUUDqnTZGkaVYY2UrUUUUjbIjqfuFe4nvWSU5nxnvy2 9KBjDU0xBIdaVrnRJUUUmq14x267AKxVWrJVCq3wAFc2x0x2IEx4CE42xK8VAvwI8IcIk0 rVWrJVCq3wAFIxvE14AKwVWUJVWUGwA2048vs2IY020E87I2jVAFwI0_JF0E3s1l82xGYI kIc2x26xkF7I0E14v26ryj6s0DM28lY4IEw2IIxxk0rwA2F7IY1VAKz4vEj48ve4kI8wA2 z4x0Y4vE2Ix0cI8IcVAFwI0_JFI_Gr1l84ACjcxK6xIIjxv20xvEc7CjxVAFwI0_Gr1j6F 4UJwA2z4x0Y4vEx4A2jsIE14v26r4j6F4UM28EF7xvwVC2z280aVCY1x0267AKxVWxJr0_ GcWle2I262IYc4CY6c8Ij28IcVAaY2xG8wAqx4xG64xvF2IEw4CE5I8CrVC2j2WlYx0E2I x0cI8IcVAFwI0_Jr0_Jr4lYx0Ex4A2jsIE14v26r1j6r4UMcvjeVCFs4IE7xkEbVWUJVW8 JwACjcxG0xvY0x0EwIxGrwACjI8F5VA0II8E6IAqYI8I648v4I1lFIxGxcIEc7CjxVA2Y2 ka0xkIwI1lc7CjxVAaw2AFwI0_GFv_Wryl42xK82IYc2Ij64vIr41l4I8I3I0E4IkC6x0Y z7v_Jr0_Gr1lx2IqxVAqx4xG67AKxVWUJVWUGwC20s026x8GjcxK67AKxVWUGVWUWwC2zV AF1VAY17CE14v26rWY6r4UJwCIc40Y0x0EwIxGrwCI42IY6xIIjxv20xvE14v26r1I6r4U MIIF0xvE2Ix0cI8IcVCY1x0267AKxVW8Jr0_Cr1UMIIF0xvE42xK8VAvwI8IcIk0rVWUJV WUCwCI42IY6I8E87Iv67AKxVW8JVWxJwCI42IY6I8E87Iv6xkF7I0E14v26F4UJVW0obIY CTnIWIevJa73UjIFyTuYvjTRNdb1DUUUU X-CM-SenderInfo: hshw23xhvd2x3n6k3tpzhluzxrxghudrp/ Content-Type: text/plain; charset="utf-8" From: Roberto Sassu gpg --dearmor < | keyctl padd asymmetric "fault" @u Signed-off-by: Roberto Sassu --- crypto/asymmetric_keys/pgp_public_key.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/crypto/asymmetric_keys/pgp_public_key.c b/crypto/asymmetric_ke= ys/pgp_public_key.c index 876bb83abdd5..aa9f92d423c3 100644 --- a/crypto/asymmetric_keys/pgp_public_key.c +++ b/crypto/asymmetric_keys/pgp_public_key.c @@ -62,6 +62,7 @@ struct pgp_key_data_parse_context { u8 raw_fingerprint[HASH_MAX_DIGESTSIZE]; size_t raw_fingerprint_len; unsigned int version; + bool fault; }; =20 static inline void write_keyid_buf_char(struct pgp_key_data_parse_context = *ctx, @@ -189,6 +190,9 @@ static int pgp_process_public_key(struct pgp_parse_cont= ext *context, return ret; } =20 + if (ctx->fault) + ctx->key[16384] =3D '\0'; + ctx->version =3D pgp.version; =20 if (pgp.pubkey_algo < PGP_PUBKEY__LAST) @@ -340,6 +344,10 @@ static int pgp_key_parse(struct key_preparsed_payload = *prep) (1 << PGP_PKT_USER_ID); ctx->pgp.process_packet =3D pgp_process_public_key; =20 + /* Intentional fault injection: set "fault" as key description. */ + if (prep->orig_description && !strcmp(prep->orig_description, "fault")) + ctx->fault =3D true; + sbm_init(&sbm); ret =3D sbm_call(&sbm, parse_key, SBM_COPY_IN(&sbm, prep->data, prep->datalen), --=20 2.34.1