From nobody Tue Oct 13 16:44:01 2026 X-Original-To: dev-commits-src-main@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 4j40Xf0xXMz6vh8y for ; Tue, 13 Oct 2026 16:44:02 +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 "YR2" (not verified)) by mx1.freebsd.org (Postfix) with ESMTPS id 4j40Xd6hG2z4bkr for ; Tue, 13 Oct 2026 16:44:01 +0000 (UTC) (envelope-from git@FreeBSD.org) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1791909842; 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=t3rv3HFJ0tsRL6FCJX6PvSM8UjEg3U3hE4JqgePkmY4=; b=MEjq0gt1/kASSSQIvsC3SMRNewSY83DHZntsSzHtAIe89utPJI0/SZ+2ZjgdQOjdDXKN9h UVpXuQlCP8rkG8VjUvjva2C+/kireZ8S9UVll4IcM/BRVvGN6TuQJqiGdh9Utc09cIL8Gr CbtZ1JPfBkVv7bBNlCuV2zvrDu3QGu/+RwYoqtF3FWPvRlicDwVFAwwI56bGOidbAOZVZa f8MHboV9q2BgqmkSuw06L23638Eqx9u5J+HAt87yW+nEk+kUogFX31yb8lBE6dxNX2wEp/ vDyii3kxQM2W76kO3BG8czYczsod81sUs2DAMp4bOqUXBwQO1nzm6wT1+ZeKsg== ARC-Seal: i=1; a=rsa-sha256; d=freebsd.org; s=dkim; cv=none; t=1791909842; b=xxssx5Iy5dmZiS8/6FzeiK/iMwgf7lF2idfY/WP1KieSWdvNp0n3QRUhtCDHs0GEpHmfzd JLW1ES8UhsTt9JncREg2mlDTVZe8ezDvUUH+qY3df5lgxe0PaiAi2N0EAy7YZkdwiPTlm6 QppBT+D8VMnKOu/WmLPvEjpSZhWHFTAeaMSKqOzKXy7FCDV1x94PbVAVhxJTpytxFdbeDX zOlBkQ8beP4fc1PWwl2ectcWfMGOuars/QKj9t9V8eZVJCRnj/OqAUhJQl9XProT05U310 Yl1ckm8ZQVHF9uRSvDsYySADotma2+c33e42r3LLuOAQTF6gi7s2YpONhTws0g== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1791909842; 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=t3rv3HFJ0tsRL6FCJX6PvSM8UjEg3U3hE4JqgePkmY4=; b=JZcUX8kJTRcsPgTiMsBJJE52/yf5eRLxNddSyRGwJLZxufJKD+yA64uqYPhW8ZUClE21uI RSL3KqRBJPoNsajfbH5ZLtpimyCqdkPcplHavIKb4tb+sxP47H6zrS1GBXhVyyeCwN0Y5a lrKl+o5P8RT9Z1AA9jPz2q/eKPt+/KKCwF00Qwao02GN4CkYANX+HYviHdd4WXdLGdA4C8 VFCGcj07uHLtRx516jtYBzSGsSyA9jsm1jyrFnlLIik5GhFcU3IiZx0UzXEoorFPy2Wp4D fnMZB5EkvBvK+abPkmMXRfupASxIpDJZ1tT2bcxDMZpBjoR7SAacmMde3l9eOg== 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 4j40Xd5lBtzN4q for ; Tue, 13 Oct 2026 16:44:01 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from git (uid 1279) (envelope-from git@FreeBSD.org) id 27e11 by gitrepo.freebsd.org (DragonFly Mail Agent v0.13+ on gitrepo.freebsd.org); Tue, 13 Oct 2026 16:44:01 +0000 To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org From: Ryan Moeller Subject: git: 33d9fbf5f953 - main - linuxulator: Accept 0 as signal in rt_sigqueueinfo List-Archive: https://lists.freebsd.org/archives/dev-commits-src-main X-BeenThere: dev-commits-src-main@freebsd.org Sender: owner-dev-commits-src-main@FreeBSD.org List-Id: Commit messages for the main branch of the src repository List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Git-Committer: rmoeller X-Git-Repository: src X-Git-Refname: refs/heads/main X-Git-Reftype: branch X-Git-Commit: 33d9fbf5f95301f6eefbbf7e7fd49b4e9c098919 Auto-Submitted: auto-generated Date: Tue, 13 Oct 2026 16:44:01 +0000 Message-Id: <6ace5fd1.27e11.70f0d01d@gitrepo.freebsd.org> The branch main has been updated by rmoeller: URL: https://cgit.FreeBSD.org/src/commit/?id=33d9fbf5f95301f6eefbbf7e7fd49b4e9c098919 commit 33d9fbf5f95301f6eefbbf7e7fd49b4e9c098919 Author: Ryan Moeller AuthorDate: 2026-10-13 16:42:45 +0000 Commit: Ryan Moeller CommitDate: 2026-10-13 16:42:45 +0000 linuxulator: Accept 0 as signal in rt_sigqueueinfo Linux allows 0 as a signal for rt_sigqueueinfo(2) the same as it does for kill(2). This is used to check for process existence and permissions. Allow this value through as a special case in linux_rt_siqgueueinfo the same way as was done for linux_kill. Before this change, lio_listio(3) would fail with EINVAL under Linuxulator. Now it is functional. MFC after: 1 week Reviewed by: kevans Approved by: kevans (mentor) Differential Revision: https://reviews.freebsd.org/D60574 --- sys/compat/linux/linux_signal.c | 11 +++++++++-- 1 file changed, 9 insertions(+), 2 deletions(-) diff --git a/sys/compat/linux/linux_signal.c b/sys/compat/linux/linux_signal.c index c247a5eb67cf..3f1596321042 100644 --- a/sys/compat/linux/linux_signal.c +++ b/sys/compat/linux/linux_signal.c @@ -822,7 +822,10 @@ linux_rt_sigqueueinfo(struct thread *td, struct linux_rt_sigqueueinfo_args *args int error; int sig; - if (!LINUX_SIG_VALID(args->sig)) + /* + * Allow signal 0 as a means to check for privileges + */ + if (!LINUX_SIG_VALID(args->sig) && args->sig != 0) return (EINVAL); error = copyin(args->info, &linfo, sizeof(linfo)); @@ -833,7 +836,11 @@ linux_rt_sigqueueinfo(struct thread *td, struct linux_rt_sigqueueinfo_args *args /* SI_USER, SI_KERNEL */ return (EPERM); - sig = linux_to_bsd_signal(args->sig); + if (args->sig > 0) + sig = linux_to_bsd_signal(args->sig); + else + sig = 0; + ksiginfo_init(&ksi); error = lsiginfo_to_siginfo(td, &linfo, &ksi.ksi_info, sig); if (error != 0)