From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id 38198CE8D58 for ; Thu, 19 Sep 2024 07:15:04 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id BFEC26B0085; Thu, 19 Sep 2024 03:15:03 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id BAEB36B0088; Thu, 19 Sep 2024 03:15:03 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id A76206B0089; Thu, 19 Sep 2024 03:15:03 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0010.hostedemail.com [216.40.44.10]) by kanga.kvack.org (Postfix) with ESMTP id 885F76B0085 for ; Thu, 19 Sep 2024 03:15:03 -0400 (EDT) Received: from smtpin08.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay10.hostedemail.com (Postfix) with ESMTP id 05536C0B2B for ; Thu, 19 Sep 2024 07:15:02 +0000 (UTC) X-FDA: 82580626086.08.6895D5F Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) by imf12.hostedemail.com (Postfix) with ESMTP id 127F240014 for ; Thu, 19 Sep 2024 07:15:00 +0000 (UTC) Authentication-Results: imf12.hostedemail.com; dkim=pass header.d=redhat.com header.s=mimecast20190719 header.b=TwPGXseo; spf=pass (imf12.hostedemail.com: domain of dhowells@redhat.com designates 170.10.129.124 as permitted sender) smtp.mailfrom=dhowells@redhat.com; dmarc=pass (policy=none) header.from=redhat.com ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1726729988; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references:dkim-signature; bh=ZMqoWuobw5l9koUmoBCzrdvCUK0MU5ZKjXUbz06jGjs=; b=l45/2NjFUvFl/fKk2cUEJZbvXecIqh6tWhoe7yBvbE4/+0l4PM3iHyIjrzYn+A9qdPEJ/r IYJyCRVgOwrTktFMbaLhz97qjDZQN7VTZW7HIsLXYm9Szt7Lbx37wJg78fFWdnC4LhUoEj +PITqYYOFrWJEa7uVdS3juu3ocecxvU= ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1726729988; a=rsa-sha256; cv=none; b=4dLxeZJqyZiqYfSYhLuM8g+G9J6agDq+DZa16YF08KtrbZbkh+GwodqusFQwQmYytH81U6 v51vDVFIaPH3gqUA7wdj3OdjbvaO3UP3D96N13GUl5sBk+V73414zSQGwsYTCEpHp+AWZM qDpv3zcK8deVbLhErU91/jog0Ko2i/Q= ARC-Authentication-Results: i=1; imf12.hostedemail.com; dkim=pass header.d=redhat.com header.s=mimecast20190719 header.b=TwPGXseo; spf=pass (imf12.hostedemail.com: domain of dhowells@redhat.com designates 170.10.129.124 as permitted sender) smtp.mailfrom=dhowells@redhat.com; dmarc=pass (policy=none) header.from=redhat.com DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1726730100; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=ZMqoWuobw5l9koUmoBCzrdvCUK0MU5ZKjXUbz06jGjs=; b=TwPGXseov059FB2UBod+agUDU0WbpEhPg9b5HL3IsRO7rdHFmow78wobcJbjyA8tQMH0Yr A8SpARt6JNMfh2ZarIinxQZyej/0jPZDqmu3i2syAT5Xcrv9Ndzw+vs/50anW9rWMyWJac tXC360uGi3axPsju6QSpUGa35uHwBmI= Received: from mx-prod-mc-03.mail-002.prod.us-west-2.aws.redhat.com (ec2-54-186-198-63.us-west-2.compute.amazonaws.com [54.186.198.63]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-75-6nnPfg1YO1yaBiEl9iKj0Q-1; Thu, 19 Sep 2024 03:14:56 -0400 X-MC-Unique: 6nnPfg1YO1yaBiEl9iKj0Q-1 Received: from mx-prod-int-01.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-01.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.4]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mx-prod-mc-03.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id D62C419560BE; Thu, 19 Sep 2024 07:14:54 +0000 (UTC) Received: from warthog.procyon.org.uk (unknown [10.42.28.14]) by mx-prod-int-01.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTP id 65816300072E; Thu, 19 Sep 2024 07:14:51 +0000 (UTC) Organization: Red Hat UK Ltd. Registered Address: Red Hat UK Ltd, Amberley Place, 107-111 Peascod Street, Windsor, Berkshire, SI4 1TE, United Kingdom. Registered in England and Wales under Company Registration No. 3798903 From: David Howells In-Reply-To: References: <2362635.1726655653@warthog.procyon.org.uk> <202409131438.3f225fbf-oliver.sang@intel.com> <1263138.1726214359@warthog.procyon.org.uk> <20240913-felsen-nervig-7ea082a2702c@brauner> <2364479.1726658868@warthog.procyon.org.uk> To: Oliver Sang Cc: dhowells@redhat.com, Christian Brauner , Steve French , oe-lkp@lists.linux.dev, lkp@intel.com, Linux Memory Management List , Jeff Layton , netfs@lists.linux.dev, linux-fsdevel@vger.kernel.org Subject: Re: [linux-next:master] [netfs] a05b682d49: BUG:KASAN:slab-use-after-free_in_copy_from_iter MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-ID: <2537823.1726730090.1@warthog.procyon.org.uk> Content-Transfer-Encoding: quoted-printable Date: Thu, 19 Sep 2024 08:14:50 +0100 Message-ID: <2537824.1726730090@warthog.procyon.org.uk> X-Scanned-By: MIMEDefang 3.4.1 on 10.30.177.4 X-Stat-Signature: 17k1zmrbznyiyxam5f48899ae3gi57c9 X-Rspamd-Queue-Id: 127F240014 X-Rspam-User: X-Rspamd-Server: rspam08 X-HE-Tag: 1726730100-595573 X-HE-Meta: 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 tuf5QPsT IAjN/sk9GSRC4wkdfr/Patrg0dsbATfKPKp4auSO93+DYWQjI4U8vkl5Teuwcs0vrq7ILGBA07mYxHt3FklPBukiZ5kO0A8EWUFOi5mDuDS98vE6W3QRUee5dsO/bd5T1dhqjNRU3Wf5Fa80k0vnckw/dKfSm7sXDrHtsq8CtalyfuH3p5EWRdSdoaWt8qn+hA/O6YOkACELMfL97jIYNyIpdwtbwXFlUDfBq2X+Nm+DkzELcnoLx4acPMoHO890J0b1320KpU0Umfrr9s4UTmDPot7S19NElbDG5RKZ0xr/47+Jjxm8QEn439d6udo0ykfY8dBCNcktdKWP7OWwFqkJ7kkkBwKMWOTbl X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: Oliver Sang wrote: > > Can you tell me SMB server you're using? Samba, ksmbd, Windows, Azure= ? I'm > > guessing one of the first two. > = > we actually use local mount to simulate smb. I attached an output for de= tails. > = > 2024-09-11 23:30:58 mkdir -p /cifs/sda1 > 2024-09-11 23:30:58 timeout 5m mount -t cifs -o vers=3D2.0 -o user=3Droo= t,password=3Dpass //localhost/fs/sda1 /cifs/sda1 > mount cifs success Does your mount command run up samba or something? This doesn't seem to w= ork on my system. I get: andromeda32# mount -t cifs -o vers=3D2.0 -o user=3Droot,password=3Dpass //= localhost/fs/sda6 /mnt mount error(111): could not connect to ::1mount error(111): could not conn= ect to 127.0.0.1Unable to find suitable address. David