From nobody Thu Mar 31 17:50:43 2022 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 167231A56CA3; Thu, 31 Mar 2022 17:50:44 +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 "R3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4KTrSM5cPJz4sFP; Thu, 31 Mar 2022 17:50:43 +0000 (UTC) (envelope-from git@FreeBSD.org) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1648749043; 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=Sh8QrEjTGoXT0NdrV8QZMMQT+AtQFShH5w5n8c6EEA8=; b=cCaJFOSQzSkKuwEtN9gJq5epB/KTWBQcYirNAS14SLeRJekzPcwBZ4pnzwUAwS0pD7HCN6 qGlUejuusdSqzLM05LY4Pg7XF4gUbcIDxl7Bwudcg4K5jbFic6VQ6qB4BE0+QD5/7y+f6F rmB/GZU2H7hqvGXsR+anBWrmRInki9H+AX91rNxdmnyMEgG3Q52NY23Sid2l1pStUSYKYE WcGSFcECMyLHqgjEZbOZLYlV1RDsvqYc9iipXkD6epWuH9LiltrN6or4Kys5a+m81uyte1 5l4AO5sqklOND1ZgBQc2c/TZ7Op1AJ/YLnQzNDr+HMNFeQ71sIg7j1uQyPoGsA== Received: from gitrepo.freebsd.org (gitrepo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:5]) (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 did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id 8FFF72BEED; Thu, 31 Mar 2022 17:50:43 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from gitrepo.freebsd.org ([127.0.1.44]) by gitrepo.freebsd.org (8.16.1/8.16.1) with ESMTP id 22VHohUl038778; Thu, 31 Mar 2022 17:50:43 GMT (envelope-from git@gitrepo.freebsd.org) Received: (from git@localhost) by gitrepo.freebsd.org (8.16.1/8.16.1/Submit) id 22VHohdn038777; Thu, 31 Mar 2022 17:50:43 GMT (envelope-from git) Date: Thu, 31 Mar 2022 17:50:43 GMT Message-Id: <202203311750.22VHohdn038777@gitrepo.freebsd.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org From: Dmitry Chagin Subject: git: 9103c5582a2d - main - linux(4): wait4() returns ESRCH if pid is INT_MIN. List-Id: Commit messages for the main branch of the src repository List-Archive: https://lists.freebsd.org/archives/dev-commits-src-main List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-dev-commits-src-main@freebsd.org X-BeenThere: dev-commits-src-main@freebsd.org MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Git-Committer: dchagin X-Git-Repository: src X-Git-Refname: refs/heads/main X-Git-Reftype: branch X-Git-Commit: 9103c5582a2d271fa8f4df136ae511da572c660f Auto-Submitted: auto-generated ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1648749043; 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=Sh8QrEjTGoXT0NdrV8QZMMQT+AtQFShH5w5n8c6EEA8=; b=isGuJc92Wvf6xKtHc0EPGCcD3TNR59Ma1tKSms8tCvjOWfYIZnwqicr+ScQE6b/kZrGwyD Ma9oCxqTH1Awp7u3dvDtU1Muusyjep7hdZ8BIV/ys3R0W/vSsL7JYGwqeKilrYMYOmetfm NEry/f6A22Q715/CDOPGTiWdRKvnE1B3Vdovyb56nl5Bf/bYRAnNEFOuNvIlotauSeqssq EO+YgUmURtClRz3XWqpRok6YgqfQYfa87ByazZsfYI36gDnHYyRI4DchHQ8ubRdkqVQ1Xj q5hFTaIJpt5u4OF5iOSrnT6INi1jFbRK7X8QHSUHmIQDaLr5ONLMUiDeGuPyYg== ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1648749043; a=rsa-sha256; cv=none; b=N9XSCnWz7ZVm/l5AcHrRfIVlcMhkCvP6PjqUgko1282cV+1Ba356Jkd0WYflotXCyTp4IV aDHDjuEDbo5nsfd1B1pp1WrNTofSiqU9fGfcuQEwWC+gwJDyvdOMYRFgQgesdzfdg5xdaI kussrqwlEdKa+dexp2jxTlM22QRn/CyMfaE+sjl2xk5Yq4JknKsJCe7bhVrsO3qStQ6gV0 Y7Gc3Ge99o3ZwFdttYRzcYy9tYABmmu1Jm3sMHx0Ob5Nqb5bQOPreHo+YkWVGrPt6ktuM+ ac4GQm4dcq1gxv9kQGzh6WK5POOf4o6cF4b++zLU0eHyHkURLGbecaJoRfeQEw== ARC-Authentication-Results: i=1; mx1.freebsd.org; none X-ThisMailContainsUnwantedMimeParts: N The branch main has been updated by dchagin: URL: https://cgit.FreeBSD.org/src/commit/?id=9103c5582a2d271fa8f4df136ae511da572c660f commit 9103c5582a2d271fa8f4df136ae511da572c660f Author: Dmitry Chagin AuthorDate: 2022-03-31 17:49:39 +0000 Commit: Dmitry Chagin CommitDate: 2022-03-31 17:49:39 +0000 linux(4): wait4() returns ESRCH if pid is INT_MIN. Weird and undocumented patch was added to the Linux kernel in 2017, fixes wait403 LTP test. MFC after: 2 weeks --- sys/compat/linux/linux_misc.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/sys/compat/linux/linux_misc.c b/sys/compat/linux/linux_misc.c index a4e5f913d03b..f4ea92941720 100644 --- a/sys/compat/linux/linux_misc.c +++ b/sys/compat/linux/linux_misc.c @@ -1054,6 +1054,10 @@ linux_wait4(struct thread *td, struct linux_wait4_args *args) LINUX_WCONTINUED | __WCLONE | __WNOTHREAD | __WALL)) return (EINVAL); + /* -INT_MIN is not defined. */ + if (args->pid == INT_MIN) + return (ESRCH); + options = 0; linux_to_bsd_waitopts(args->options, &options);