From owner-freebsd-current@freebsd.org Sat Sep 21 19:26:10 2019 Return-Path: Delivered-To: freebsd-current@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id 5A75912D3D2 for ; Sat, 21 Sep 2019 19:26:10 +0000 (UTC) (envelope-from rysto32@gmail.com) Received: from mail-qk1-x736.google.com (mail-qk1-x736.google.com [IPv6:2607:f8b0:4864:20::736]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) server-signature RSA-PSS (4096 bits) client-signature RSA-PSS (2048 bits) client-digest SHA256) (Client CN "smtp.gmail.com", Issuer "GTS CA 1O1" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 46bLD11klvz3QBF for ; Sat, 21 Sep 2019 19:26:08 +0000 (UTC) (envelope-from rysto32@gmail.com) Received: by mail-qk1-x736.google.com with SMTP id u22so7478109qkk.11 for ; Sat, 21 Sep 2019 12:26:08 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=2Y1gYXyyQE8OWvipUsS0sRCH8LWReSxgkBt8csrXPEo=; b=eO1xdrobAX8pq5Vy+2k8oOOFUEtIwQi6rYD1QVkHr6PsVUiY6cEDoBcryGJSnGaW+u t/IpQrKlyRpzjlCmctIv/Ury5/h6XobktPQ5TtmZx17WqoYREnUPCSeedR3CEEYPB2/t GVHA5mYNqaFWDDK230nLlCDBZA6M8eSseGNYIyIoP3P1EdVtNBGwYimvXIX2VJECddW5 61S8wARdf2v8g3k9ZsYtfg/E1Cbw8YHtm0MQX40zL4CMZZDLvuqXS1y/YiqBpP8XpAYw v28ZjxtWxOJk95Gpn2Flyxk7rSm5ilM73I43bUU/vy2p2DGiSjWD3STDXk/PcXYWxLGV fKEw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=2Y1gYXyyQE8OWvipUsS0sRCH8LWReSxgkBt8csrXPEo=; b=VTNRn/urS8uTYIEIJJA1xiPWzrq1U7XwyqXde6XEQCBC7lgGtiLh9nX22/mg3siRdb FKBYO+sr4CMBsBLzQBchxLlOUbPwSyU6NtI8kWJjXT7irkOPDnCbLsLm8Y62a818YvTj 9vCEl24JlfeRtGMR3Y6M9qGljWo2iK7juYcz/e1ykt3nFmb1Mz4ctJMM0HZ1zFyMV29O Vc5KDC6uvZVYUBCH/RFrXCAQoT1u3vqutWDIWqe6fdv95/czC5x7XkDUNg1eLJHek1PL +Www+iriXHRPfiLxEz+TymRuO+RHadeXgY+VR8XhCjmG64Msz1wJ3JTBNRryFvkqNYVr AcxQ== X-Gm-Message-State: APjAAAVKH/ChVuDAsldw0g6kgO23o4ob5ZjBLc7fE++k3dnQ5xTQcmf5 AVoGgfGTrHLNM4YiCCuuDpLcA5mkAo5x7gl9QbM= X-Google-Smtp-Source: APXvYqydjOSY6VBCHFRUGwg2H/gB5bO2mUnGphl5ZfpluLoArB8RCv1V78dLHW59mxYvIf9qZcIIjJCWTHHREHJE3nY= X-Received: by 2002:a37:a858:: with SMTP id r85mr9822335qke.394.1569093968011; Sat, 21 Sep 2019 12:26:08 -0700 (PDT) MIME-Version: 1.0 References: <20190921164901.GO2559@kib.kiev.ua> In-Reply-To: <20190921164901.GO2559@kib.kiev.ua> From: Ryan Stone Date: Sat, 21 Sep 2019 15:25:57 -0400 Message-ID: Subject: Re: Direct exec of /usr/bin/ld fails with "mmap of entire address space failed: Cannot allocate memory" To: Konstantin Belousov Cc: FreeBSD Current Content-Type: text/plain; charset="UTF-8" X-Rspamd-Queue-Id: 46bLD11klvz3QBF X-Spamd-Bar: -- Authentication-Results: mx1.freebsd.org; dkim=pass header.d=gmail.com header.s=20161025 header.b=eO1xdrob; dmarc=pass (policy=none) header.from=gmail.com; spf=pass (mx1.freebsd.org: domain of rysto32@gmail.com designates 2607:f8b0:4864:20::736 as permitted sender) smtp.mailfrom=rysto32@gmail.com X-Spamd-Result: default: False [-3.00 / 15.00]; ARC_NA(0.00)[]; NEURAL_HAM_MEDIUM(-1.00)[-1.000,0]; R_DKIM_ALLOW(-0.20)[gmail.com:s=20161025]; FROM_HAS_DN(0.00)[]; FREEMAIL_FROM(0.00)[gmail.com]; R_SPF_ALLOW(-0.20)[+ip6:2607:f8b0:4000::/36:c]; MIME_GOOD(-0.10)[text/plain]; PREVIOUSLY_DELIVERED(0.00)[freebsd-current@freebsd.org]; NEURAL_HAM_LONG(-1.00)[-1.000,0]; IP_SCORE_FREEMAIL(0.00)[]; TO_MATCH_ENVRCPT_SOME(0.00)[]; TO_DN_ALL(0.00)[]; DKIM_TRACE(0.00)[gmail.com:+]; RCPT_COUNT_TWO(0.00)[2]; RCVD_IN_DNSWL_NONE(0.00)[6.3.7.0.0.0.0.0.0.0.0.0.0.0.0.0.0.2.0.0.4.6.8.4.0.b.8.f.7.0.6.2.list.dnswl.org : 127.0.5.0]; DMARC_POLICY_ALLOW(-0.50)[gmail.com,none]; IP_SCORE(0.00)[ip: (-9.37), ipnet: 2607:f8b0::/32(-2.64), asn: 15169(-2.20), country: US(-0.05)]; FREEMAIL_TO(0.00)[gmail.com]; FROM_EQ_ENVFROM(0.00)[]; MIME_TRACE(0.00)[0:+]; FREEMAIL_ENVFROM(0.00)[gmail.com]; ASN(0.00)[asn:15169, ipnet:2607:f8b0::/32, country:US]; RCVD_COUNT_TWO(0.00)[2]; RCVD_TLS_ALL(0.00)[]; DWL_DNSWL_NONE(0.00)[gmail.com.dwl.dnswl.org : 127.0.5.0] X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 21 Sep 2019 19:26:10 -0000 Apply the patch and playing with increasing the value does allow direct exec of ld via rtld to work. so thank you. The patch probably shouldn't be applied as-is, though, as executables will just segfault right away if the sysctl is tuned to a non-page aligned value.