From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mx2.freebsd.org (mx2.freebsd.org [IPv6:2610:1c1:1:606c::19:2]) by sourceware.org (Postfix) with ESMTPS id 5D03D3858D20 for ; Mon, 12 Jun 2023 17:43:43 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org 5D03D3858D20 Authentication-Results: sourceware.org; dmarc=none (p=none dis=none) header.from=FreeBSD.org Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=FreeBSD.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) client-signature RSA-PSS (4096 bits)) (Client CN "mx1.freebsd.org", Issuer "R3" (verified OK)) by mx2.freebsd.org (Postfix) with ESMTPS id 4QfzZ371gGz3ylr; Mon, 12 Jun 2023 17:43:39 +0000 (UTC) (envelope-from jhb@FreeBSD.org) Received: from smtp.freebsd.org (smtp.freebsd.org [96.47.72.83]) (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 "smtp.freebsd.org", Issuer "R3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4QfzZ36KCtz3Q1r; Mon, 12 Jun 2023 17:43:39 +0000 (UTC) (envelope-from jhb@FreeBSD.org) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1686591819; 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: in-reply-to:in-reply-to:references:references; bh=5MaQzQVaBpsvevZNYBGHcnHH7UwCI1cbzxxcIz7ePvE=; b=SR1NXBLx4/L4a8BsGxhPQjGlf8TvnhsNbcN37OUkAB6NjCyQgWrubk83KImuZmfMipTDpD yQyHcnuSYw+cMYpoy+KB5/RgfNBQgNw3MkorgDquVPObNEoLQmlHv4dFsOwcP9HHWeOk7S BHpIYDfFoYCCZGsBxTv9cLSrXrk1tYSyd5Y0EmY3jZAItY5V9lo1xME9lvYfhsuUnBRg3b NjYubkKFi93C3REsFc4UyAuSmyTQ2qwzCtMzGUZdrDeZyy1RgYOdf/zYLX2S0eSeaMRnkN WGeTXR2VHrvDHfOoltZrN/usexEc0SHvGEIqdZ6sQZlMTIkPVzcnlxdljli9ug== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1686591819; 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: in-reply-to:in-reply-to:references:references; bh=5MaQzQVaBpsvevZNYBGHcnHH7UwCI1cbzxxcIz7ePvE=; b=ZUxYWk9EnTlS5yTYlQXX+fPymsG2lCWbed6ZLGEHkY42Bd6zu5OMDjMIh0kjqMxnhk2fJg NXCVILVhdJn+jUd7oSoAijTrbKRp+yDxljCiZxC7zSLLGrfKjnwYKn0rVonVW3xY3SDWzv 7TIX7BKMrU2yEgDQgaGwQfF2qvmjK3TstrC+/iXePc9aCqelv7bzqrZOEf41AoBebnJp1g s9yBH5Sa591CO+u4kEscvK5wKgOORZslCm9/DGaY9Rr7Xuew3wqOmJR+8aEHA73hp5ilLD d1rIY2sYX4ye1gA6looZ6HXRIN6ryTpKC2Hn2qknaxtT6YY/Gld+ZlLJ3lBotg== ARC-Authentication-Results: i=1; mx1.freebsd.org; none ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1686591819; a=rsa-sha256; cv=none; b=OWJxhcmNBQ0pxWLPz57cB6WjBlQu0WqFnqyF9FDDqjSGMsLWr9hx3ky4RHc2joKCVkITdl dDNj24DRhCDFBuJ/fphn0BCzecmDkWUldlgKLqqqjshEsDUQESboiXGvrt9kSr09vT1fhF 2TNM+eNyrKOHlYyjUC6ieMu+kirZxdFbOkiun5ZTswuMbEi/r3U3IFRGpJ0wbwoBaM9SxB kIe9m0NcywRakPxVxnPlTdNca41POV/jFxzRvnIgRmFIlXS+vZte982j/69/AcRTJK2UFK syynxqDH4worV7guusGbrWAu7M6U+IdPDj+oNwk7WCYFrMa7YLGuvEdm/TroBA== Received: from [IPV6:2601:648:8680:16b0:987a:2c1:30f8:4dc5] (unknown [IPv6:2601:648:8680:16b0:987a:2c1:30f8:4dc5]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits)) (Client did not present a certificate) (Authenticated sender: jhb) by smtp.freebsd.org (Postfix) with ESMTPSA id 4QfzZ33S6qzTrb; Mon, 12 Jun 2023 17:43:39 +0000 (UTC) (envelope-from jhb@FreeBSD.org) Message-ID: Date: Mon, 12 Jun 2023 10:43:38 -0700 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:102.0) Gecko/20100101 Thunderbird/102.12.0 Subject: Re: [PATCH 2/4] *-linux-nat: Handle null inferior in read_description. Content-Language: en-US To: Luis Machado , gdb-patches@sourceware.org References: <20230526175742.66885-1-jhb@FreeBSD.org> <20230526175742.66885-3-jhb@FreeBSD.org> From: John Baldwin In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Spam-Status: No, score=-4.0 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH,DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,NICE_REPLY_A,SPF_HELO_NONE,SPF_PASS,TXREP,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org List-Id: On 6/12/23 1:56 AM, Luis Machado wrote: > Hi John, > > Do you have an example of when this would happen? So, having no inferior and invoking ptrace? The example given in the log message provokes this reliably, that is running "target native" followed by "unset tdesc filename". It's more that you have an inferior, it just doesn't have an attached process. -- John Baldwin