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 X-Spam-Level: X-Spam-Status: No, score=-9.0 required=3.0 tests=BAYES_00,FROM_LOCAL_HEX, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id A5D46C433DF for ; Fri, 14 Aug 2020 18:48:11 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 8B80F20771 for ; Fri, 14 Aug 2020 18:48:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726678AbgHNSsJ (ORCPT ); Fri, 14 Aug 2020 14:48:09 -0400 Received: from mail-io1-f69.google.com ([209.85.166.69]:41130 "EHLO mail-io1-f69.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726651AbgHNSsJ (ORCPT ); Fri, 14 Aug 2020 14:48:09 -0400 Received: by mail-io1-f69.google.com with SMTP id e12so6656649ioc.8 for ; Fri, 14 Aug 2020 11:48:08 -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=FdIRXuZCQukDRQ0XU5HzlXLbagxjzssCGhlf1mUy6ZA=; b=g5Mqu7H4RckR1gnSPIdO/Km6EHvoqCFakRmVG1spTaaRiTAlZQUmNESMCw7DDj36Jw Jyu7zAxMmDK3ud8F+cri0XUZUKbImNK3MzezkjWkI9Xm5regzRi93zgApqUbBxxlVhB0 IYOVs5kLok1ddz4IZb7qj6NZDjq65ezBo8xhmHrGOepJkG+//m1qfzmBmMize4FfC/Y3 Qh7d+kAVr8MslBn7DxEgXDBZTzQ7H4F9gn/p5J4gW7KsF0LazE8rfipgo3oQDOn9PzH5 /3eGPQxGutQDwXelY5pbZerH6TfZaochPAOog4TysYvFayJ4rxPrmaMWFpfi/NdPcos+ cOoQ== X-Gm-Message-State: AOAM533dJOfspiekazn9R2QP4OjMpbvtWIlm/q52iNEhmLkes+yxECIk WrUrDXUBJG2mbLTOzFJQgj4zsL0ci9Mo9x0xog3hWZcSBon/ X-Google-Smtp-Source: ABdhPJzNTvNy1dhu9pwSXa3tWa4iLGVzBCdcRYK93MYJzzPqsQW/K4PnkT/GdTdJGW94oI0/s3HorImYD5cpCRRwVwYGVaoycdZT MIME-Version: 1.0 X-Received: by 2002:a05:6e02:c09:: with SMTP id d9mr3762153ile.289.1597430888599; Fri, 14 Aug 2020 11:48:08 -0700 (PDT) Date: Fri, 14 Aug 2020 11:48:08 -0700 In-Reply-To: <000000000000eea12405843bc43c@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000ab163105acdadc50@google.com> Subject: Re: KASAN: use-after-free Read in refcount_inc_not_zero_checked (2) From: syzbot To: ardb@kernel.org, davem@davemloft.net, linux-efi@vger.kernel.org, linux-hams@vger.kernel.org, linux-kernel@vger.kernel.org, mingo@kernel.org, netdev@vger.kernel.org, nivedita@alum.mit.edu, ralf@linux-mips.org, 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 syzbot suspects this issue was fixed by commit: commit 987053a30016a7d9ab3e4ad973e7c51aeb1f1ef6 Author: Arvind Sankar Date: Thu Apr 30 18:28:40 2020 +0000 efi/x86: Move command-line initrd loading to efi_main bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=11680f6a900000 start commit: 9c7dc824 Merge tag '5.1-rc-smb3' of git://git.samba.org/sf.. git tree: upstream kernel config: https://syzkaller.appspot.com/x/.config?x=7e1aaa1cfbfe1abf dashboard link: https://syzkaller.appspot.com/bug?extid=eff6b596cc8194e2f029 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=17e294a3200000 If the result looks correct, please mark the issue as fixed by replying with: #syz fix: efi/x86: Move command-line initrd loading to efi_main For information about bisection process see: https://goo.gl/tpsmEJ#bisection