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 14FCFC1746D for ; Tue, 23 Apr 2024 07:56:32 +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:Cc:To:In-Reply-To:References:Message-Id :MIME-Version:Subject:Date:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=KtbrVrJaJwEVqcwaCoYM/SClOxvNXfyKx9NUqo4Vtrw=; b=P2s/Tv+NrPkWLZ woNk6/Hqi4CeUELAlcnYKs8e/9sA+IyZxV5xYXoylCnXTs1jMiAZYzFm1rYMO8LEQtssVn/k8JWgk jrxwxcBZLG9H2IDmnaGEupiLsyMyXZpw9HwHQ0rWWtzX3lNp0G7WRg9YQju2JlorzktQS31xR9saQ lDj1jJe40ZgTich2LZfBTpzpdYbsjzWHZUfz2VAXNhAhVqN+WVOMf4sFoNDQMj3FdlvdQqCd2LgM9 zlrm7F8y1I2DbMrS+wALbmM7kgUbwFnTbQbMtexQxJ4RVFiUWyQrosvd51uygUnHJZM03gb3Vei9m jWDiUG/abXVT0LV1bbbQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1rzB0k-0000000GKQf-08UE; Tue, 23 Apr 2024 07:56:18 +0000 Received: from todd.t-8ch.de ([159.69.126.157]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1rzB0Z-0000000GKHu-3KiL; Tue, 23 Apr 2024 07:56:10 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=weissschuh.net; s=mail; t=1713858962; bh=D/3OJwMoANYNDnHN43YEhKh/XOzsWgZJBxcvKVpFvHo=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=Z4eTOEAyeZGZRhMLErDlHrOzyIn7K/DlkM60MPZgILl0NsHakg85D489lgcJ2pyps w8ZjrPHlpbLbeknooUuGV8AX44PHoyXa1MFbZ8JyqpCmrdU3drnEDl22/6rS7GAbFk mLBVLjPqI1ce59ORnQdEOqbJ1Zk5A8F74faI2Ijw= From: =?utf-8?q?Thomas_Wei=C3=9Fschuh?= Date: Tue, 23 Apr 2024 09:54:36 +0200 Subject: [PATCH v3 01/11] stackleak: don't modify ctl_table argument MIME-Version: 1.0 Message-Id: <20240423-sysctl-const-handler-v3-1-e0beccb836e2@weissschuh.net> References: <20240423-sysctl-const-handler-v3-0-e0beccb836e2@weissschuh.net> In-Reply-To: <20240423-sysctl-const-handler-v3-0-e0beccb836e2@weissschuh.net> To: Luis Chamberlain , Joel Granados , Kees Cook Cc: Eric Dumazet , Dave Chinner , linux-fsdevel@vger.kernel.org, netdev@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-s390@vger.kernel.org, linux-kernel@vger.kernel.org, linux-riscv@lists.infradead.org, linux-mm@kvack.org, linux-security-module@vger.kernel.org, bpf@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-xfs@vger.kernel.org, linux-trace-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org, netfilter-devel@vger.kernel.org, coreteam@netfilter.org, kexec@lists.infradead.org, linux-hardening@vger.kernel.org, bridge@lists.linux.dev, lvs-devel@vger.kernel.org, linux-rdma@vger.kernel.org, rds-devel@oss.oracle.com, linux-sctp@vger.kernel.org, linux-nfs@vger.kernel.org, apparmor@lists.ubuntu.com, =?utf-8?q?Thomas_Wei=C3=9Fschuh?= X-Mailer: b4 0.13.0 X-Developer-Signature: v=1; a=ed25519-sha256; t=1713858961; l=1205; i=linux@weissschuh.net; s=20221212; h=from:subject:message-id; bh=D/3OJwMoANYNDnHN43YEhKh/XOzsWgZJBxcvKVpFvHo=; b=1RhNomBbqj6XFaD6ZYOxEHBLV6bfBHp2WGUjkt4XBn/Ez17CpMDHBnau1hMCabUBp0fIJIUhv lq3ewsWLz9gCbCEhY4DcLZnRRhb9Y2u6rar0aoKgOs7QrHrAJv1mc4Z X-Developer-Key: i=linux@weissschuh.net; a=ed25519; pk=KcycQgFPX2wGR5azS7RhpBqedglOZVgRPfdFSPB1LNw= X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240423_005608_177589_6FC99626 X-CRM114-Status: UNSURE ( 8.13 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@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="utf-8" Content-Transfer-Encoding: base64 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org SW4gYSBmdXR1cmUgY29tbWl0IHRoZSBwcm9jX2hhbmRsZXJzIHdpbGwgY2hhbmdlIHRvCiJjb25z dCBzdHJ1Y3QgY3RsX3RhYmxlIi4KQXMgYSBwcmVwYXJhdGlvbiBmb3IgdGhhdCBhZGFwdCB0aGUg bG9naWMgdG8gd29yayB3aXRoIGEgdGVtcG9yYXJ5CnZhcmlhYmxlLCBzaW1pbGFyIHRvIGhvdyBp dCBpcyBkb25lIGluIG90aGVyIHBhcnRzIG9mIHRoZSBrZXJuZWwuCgpGaXhlczogOTY0YzlkZmYw MDkxICgic3RhY2tsZWFrOiBBbGxvdyBydW50aW1lIGRpc2FibGluZyBvZiBrZXJuZWwgc3RhY2sg ZXJhc2luZyIpCkFja2VkLWJ5OiBLZWVzIENvb2sgPGtlZXNjb29rQGNocm9taXVtLm9yZz4KU2ln bmVkLW9mZi1ieTogVGhvbWFzIFdlacOfc2NodWggPGxpbnV4QHdlaXNzc2NodWgubmV0PgotLS0K IGtlcm5lbC9zdGFja2xlYWsuYyB8IDcgKysrKy0tLQogMSBmaWxlIGNoYW5nZWQsIDQgaW5zZXJ0 aW9ucygrKSwgMyBkZWxldGlvbnMoLSkKCmRpZmYgLS1naXQgYS9rZXJuZWwvc3RhY2tsZWFrLmMg Yi9rZXJuZWwvc3RhY2tsZWFrLmMKaW5kZXggZDA5OWYzYWZmY2YxLi41NThiOWQ2ZDI4ZDMgMTAw NjQ0Ci0tLSBhL2tlcm5lbC9zdGFja2xlYWsuYworKysgYi9rZXJuZWwvc3RhY2tsZWFrLmMKQEAg LTI3LDEwICsyNywxMSBAQCBzdGF0aWMgaW50IHN0YWNrX2VyYXNpbmdfc3lzY3RsKHN0cnVjdCBj dGxfdGFibGUgKnRhYmxlLCBpbnQgd3JpdGUsCiAJaW50IHJldCA9IDA7CiAJaW50IHN0YXRlID0g IXN0YXRpY19icmFuY2hfdW5saWtlbHkoJnN0YWNrX2VyYXNpbmdfYnlwYXNzKTsKIAlpbnQgcHJl dl9zdGF0ZSA9IHN0YXRlOworCXN0cnVjdCBjdGxfdGFibGUgdG1wID0gKnRhYmxlOwogCi0JdGFi bGUtPmRhdGEgPSAmc3RhdGU7Ci0JdGFibGUtPm1heGxlbiA9IHNpemVvZihpbnQpOwotCXJldCA9 IHByb2NfZG9pbnR2ZWNfbWlubWF4KHRhYmxlLCB3cml0ZSwgYnVmZmVyLCBsZW5wLCBwcG9zKTsK Kwl0bXAuZGF0YSA9ICZzdGF0ZTsKKwl0bXAubWF4bGVuID0gc2l6ZW9mKGludCk7CisJcmV0ID0g cHJvY19kb2ludHZlY19taW5tYXgoJnRtcCwgd3JpdGUsIGJ1ZmZlciwgbGVucCwgcHBvcyk7CiAJ c3RhdGUgPSAhIXN0YXRlOwogCWlmIChyZXQgfHwgIXdyaXRlIHx8IHN0YXRlID09IHByZXZfc3Rh dGUpCiAJCXJldHVybiByZXQ7CgotLSAKMi40NC4wCgoKX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX18KbGludXgtYXJtLWtlcm5lbCBtYWlsaW5nIGxpc3QKbGlu dXgtYXJtLWtlcm5lbEBsaXN0cy5pbmZyYWRlYWQub3JnCmh0dHA6Ly9saXN0cy5pbmZyYWRlYWQu b3JnL21haWxtYW4vbGlzdGluZm8vbGludXgtYXJtLWtlcm5lbAo=