From nobody Sat Dec 13 22:02:33 2025 X-Original-To: dev-commits-src-all@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4dTL0T2cgNz6K8ql for ; Sat, 13 Dec 2025 22:02:33 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "R12" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4dTL0T1DYyz42r3 for ; Sat, 13 Dec 2025 22:02:33 +0000 (UTC) (envelope-from git@FreeBSD.org) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1765663353; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=0/SZxox8Mzef9deoIyJ2fj7pRcuTGFXxq3eG2/7YRLY=; b=OUGzQzJ8KKoestPwH9xn53j0wXuq1gnQBnsAP1d4+Sadyjat7Led0oPQ1cmIJNvYchIlRo u7hvHObB8GBSxXKbW3VS1VZ8HubEUv6R4Bwe7K3jgUeqbG7yrwMsPad46OmmhS+r1ECbV2 gmT9G5GAqgElM8PjlTxIcW/lV5Uqak8zaBFKns5VYbK8kHV2AkJ6kQHjIeqMg2DBNFfLXe 4109eOUZDgaG6kEFk6J29M09GwhrpiXUlKigoQAzkoZE7DZMIkS/tLvWotyfZQAdcLjFT1 oIZjBTjOe4ykBYc8lIVej5jgqAORVXhLUvo4BhkC5I+EcrU1l3gR9aL7VxS/+g== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1765663353; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=0/SZxox8Mzef9deoIyJ2fj7pRcuTGFXxq3eG2/7YRLY=; b=dziGhjwZsnXhLpvWXZEE+q9Jz5h5UkUUPsSMEpc5FDQsA644ZceEpfIxpzCYH6gZPEH1wX zKqpQBTgIvDqmkgQvES8fQlQoHcceiDZZtzA91t7NyJcnlsCwl8LdLbH/VFCWd7FGyCBtt b6BP2a0EJYgtQIO2mettMYmZzv6ChbX2uqugxQDjmKS6kcDYKxHwlUb9ouxQTqveygx1SS NNiTGKz5ydbOdzRf874dhS6gbXV1CNxndSXdiyVh7ykwN6kvMTd0S2pqDzNOoCp4lZX0lD uv/E6fbgiBnGV4EEXW/ubdh6HtMtuqKnRCtBfbghS7p5Ix7kD3lTy+sQHyufJA== ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1765663353; a=rsa-sha256; cv=none; b=j031rP0xGpjAaaOj6nUuu1BTEu4nI+PikWyetrbTl/bU+x7UpJBMJYibNKYZaOJBmMp0Lm ER/a/+kTLL7e/YJbTtMnhD2lngDqrCP52CrNTLBNttt0iWI/jwt/TXz/mf3ngkeBGDlGm6 Js+T++tjXOCBKcX5yZej6Qz3gJxtX2JhjwEH1c2OKkoJsyR4Rdlc/tqTxkzdVWcplgJiQH PS+QUyd0BQjkeskosxW4Rcjg5ZGkUp7by+DlCNGa30IOJBlersYatwtCBpBIXSj6WQ16AF T7BU/sxQyrl7Ie5wgUELGE+FFw6w1ygWBxa8m6fI3SQNX11F2CHHhWRX2uyzEg== ARC-Authentication-Results: i=1; mx1.freebsd.org; none Received: from gitrepo.freebsd.org (gitrepo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:5]) by mxrelay.nyi.freebsd.org (Postfix) with ESMTP id 4dTL0T0k1gz1Kr4 for ; Sat, 13 Dec 2025 22:02:33 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from git (uid 1279) (envelope-from git@FreeBSD.org) id 37cfa by gitrepo.freebsd.org (DragonFly Mail Agent v0.13+ on gitrepo.freebsd.org); Sat, 13 Dec 2025 22:02:33 +0000 To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-branches@FreeBSD.org From: Dag-Erling=?utf-8?Q? Sm=C3=B8rg?=rav Subject: git: ed66f6e92735 - stable/15 - bus: Return 0 if reading an ivar fails List-Id: Commit messages for all branches of the src repository List-Archive: https://lists.freebsd.org/archives/dev-commits-src-all List-Help: List-Post: List-Subscribe: List-Unsubscribe: X-BeenThere: dev-commits-src-all@freebsd.org Sender: owner-dev-commits-src-all@FreeBSD.org MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Git-Committer: des X-Git-Repository: src X-Git-Refname: refs/heads/stable/15 X-Git-Reftype: branch X-Git-Commit: ed66f6e927357097933eb78f7f39a6f826819538 Auto-Submitted: auto-generated Date: Sat, 13 Dec 2025 22:02:33 +0000 Message-Id: <693de279.37cfa.50cfdbd2@gitrepo.freebsd.org> The branch stable/15 has been updated by des: URL: https://cgit.FreeBSD.org/src/commit/?id=ed66f6e927357097933eb78f7f39a6f826819538 commit ed66f6e927357097933eb78f7f39a6f826819538 Author: Dag-Erling Smørgrav AuthorDate: 2025-12-05 14:57:37 +0000 Commit: Dag-Erling Smørgrav CommitDate: 2025-12-13 22:01:13 +0000 bus: Return 0 if reading an ivar fails In the non-INVARIANTS case, return 0 rather than stack garbage if reading an ivar fails (in the INVARIANTS case, we still panic). MFC after: 1 week Sponsored by: Klara, Inc. Sponsored by: NetApp, Inc. Reviewed by: jhb Differential Revision: https://reviews.freebsd.org/D54078 (cherry picked from commit 4c2295c15860e70c8bd3f05f9229d2fc40dfd50d) --- sys/sys/bus.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/sys/sys/bus.h b/sys/sys/bus.h index 40b9e53ba039..77250bb1df4c 100644 --- a/sys/sys/bus.h +++ b/sys/sys/bus.h @@ -890,7 +890,7 @@ DECLARE_MODULE(_name##_##busname, _name##_##busname##_mod, \ \ static __inline type varp ## _get_ ## var(device_t dev) \ { \ - uintptr_t v; \ + uintptr_t v = 0; \ int e __diagused; \ e = BUS_READ_IVAR(device_get_parent(dev), dev, \ ivarp ## _IVAR_ ## ivar, &v); \