Received: by 2002:a05:6a10:a0d1:0:0:0:0 with SMTP id j17csp4376349pxa; Mon, 10 Aug 2020 07:45:25 -0700 (PDT) X-Google-Smtp-Source: ABdhPJzBxbTIrRHJ9Fu48iK/fVwI+jbGIOp+FZ0uyVnOd7wG7rK+stXNO+0eiwvoHob5v/KWTV+Q X-Received: by 2002:a17:906:aac6:: with SMTP id kt6mr21254477ejb.475.1597070725508; Mon, 10 Aug 2020 07:45:25 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1597070725; cv=none; d=google.com; s=arc-20160816; b=h5/Tf0tn1peRBHKCwfWd0PZKdzr/ShH4q9kjCzuRSr1QwW//v7zOlc3B2hnu8erwPj vMmGkUb1/pnns62MKlI0EecIxdAPc8GZPvfiIvKT9VCw0Gy2vzjzQgsG5GxopMKvkMtH 6lOPzmQbPktGEreLnvQWdyM3ObeCetBZEeR7MQGbcXlwuFV5w/no+JaiS8vqsq0AqURk bCfSoaEeh1GVC2KJR1aBc7VuvCqkqlbvXwrXf/yRE2ocwI/qKxJGgoSaDzoULJr9j3Rs pe9+WcPxco9defvTGDzo8M9JeqUGJgAWy/fsiKbFxPWVka0rsQvyuO+0Hl3aSOKiaq63 oHrA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:to:from:subject:message-id:in-reply-to :date:mime-version; bh=OzRqCxKFuIBYd6uAIlx4xZOrodkSUu/+cChTzUG+OTk=; b=MiN++XZMKCNFGJC72jQQiWzNmwJDVM1FKhHaPJE1gOUI+EAAELposT/Ma4KqfsBVM6 X9nIqh8m5a4+iDC5p3zQSAU4oCY3QthWS1kl78WkkrYxBk+5aM3PoWZF/PDLYRassCAV p5WK9VocGVs97oR+SBRJHq/9Ct19bSOlplSqEUwQjqonAu13JewC0haxppLT4tqthpu0 CWbL5xbT4ARnVJeh9FVIHM8q1oF7r/F0bKWqB5XL0gXmRWNL8cEYqAUg4vbqe+BvfhyQ 6xOJUM8/FpGQXAakAg8N/cfJ4UvR3LqdVQFimyfCrBtzz98eLxknLZSeH9zx+6lNQC7e UbdQ== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=appspotmail.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id j11si10667876edq.584.2020.08.10.07.45.02; Mon, 10 Aug 2020 07:45:25 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=appspotmail.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727055AbgHJOmL (ORCPT + 99 others); Mon, 10 Aug 2020 10:42:11 -0400 Received: from mail-il1-f198.google.com ([209.85.166.198]:48971 "EHLO mail-il1-f198.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726392AbgHJOmK (ORCPT ); Mon, 10 Aug 2020 10:42:10 -0400 Received: by mail-il1-f198.google.com with SMTP id w8so2808888ilg.15 for ; Mon, 10 Aug 2020 07:42:10 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:date:in-reply-to:message-id:subject :from:to; bh=OzRqCxKFuIBYd6uAIlx4xZOrodkSUu/+cChTzUG+OTk=; b=VDkZFQFKKwGXV4066sOwC8Y/8bUrMTE5Z5QH/EAKi70uPx9gEmo5A2zgNl6RggIKN7 HxJbwpDLj46Ocw5ktn6Ug+I5l9IKaUKMug4aAIGv8vr4kB7EKLr/ftOF4uZQ8IcUo6T7 pDhEj6ZSj3trCQQyRnHdClpBdQ4JLPVTeV6KayiZJRxZBJnQHsceupFith5elvB30mo5 2GsUdQKW6LlGrXhmDZrwesBLi+GslanQbrJb5MSi60NyhDE/fa14GbkcKwsc3H4dvz6D +ROF4J8tnjkO5y2vGHkk0xatghlfIVs8UT4bEfhZSWyiBv1hI+68CB13Pm0QDWlZ46A7 aVkg== X-Gm-Message-State: AOAM532hlRSo3vHxX93+CfeqFARmmXfS8EbKC6L0caKWWtISl8B5ZrHu W+xFrZ9QZYShju2qMrfUXac/Ytib1ioNWJp/Z5VsY7HXoC9Y MIME-Version: 1.0 X-Received: by 2002:a5e:a607:: with SMTP id q7mr17629684ioi.16.1597070529854; Mon, 10 Aug 2020 07:42:09 -0700 (PDT) Date: Mon, 10 Aug 2020 07:42:09 -0700 In-Reply-To: <20200810142441.GB299045@rowland.harvard.edu> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000009d004605ac86f57b@google.com> Subject: Re: WARNING in slab_pre_alloc_hook From: syzbot To: andreyknvl@gmail.com, andreyknvl@google.com, balbi@kernel.org, gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, stern@rowland.harvard.edu, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello, syzbot has tested the proposed patch and the reproducer did not trigger any issue: Reported-and-tested-by: syzbot+c2c3302f9c601a4b1be2@syzkaller.appspotmail.com Tested on: commit: 449dc8c9 Merge tag 'for-v5.9' of git://git.kernel.org/pub/.. git tree: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git kernel config: https://syzkaller.appspot.com/x/.config?x=6ef84fa8ee48e528 dashboard link: https://syzkaller.appspot.com/bug?extid=c2c3302f9c601a4b1be2 compiler: gcc (GCC) 10.1.0-syz 20200507 patch: https://syzkaller.appspot.com/x/patch.diff?x=14ef8e52900000 Note: testing is done by a robot and is best-effort only.