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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id A97CAC433FE for ; Sat, 18 Dec 2021 19:59:23 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234079AbhLRT7V (ORCPT ); Sat, 18 Dec 2021 14:59:21 -0500 Received: from mail-io1-f71.google.com ([209.85.166.71]:55197 "EHLO mail-io1-f71.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234057AbhLRT7S (ORCPT ); Sat, 18 Dec 2021 14:59:18 -0500 Received: by mail-io1-f71.google.com with SMTP id s8-20020a056602168800b005e96bba1363so3993594iow.21 for ; Sat, 18 Dec 2021 11:59:18 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:mime-version:date:in-reply-to:message-id:subject :from:to; bh=BYwp39HfkoKA0spS5iKDdSyw2i3LvTwEYaoIQ1fJH/I=; b=5t4bAQnc0iUKHpgxkMmBaFO5q4NUEStY2aOH3MLu7DqQVFuZVE+FIrJhO5zlfUOzLb YKB20yGVIq0RxLLo4nQ3IJRoC3uRhl2eVkytgtzzV+cHKyzEFHpqTSank7WmcRClPX/v HHXlyjypmIngYGUlTM7TkY2XWPSajY/wnUJp384ZS0rVDk4WOqRt9ViChmJ+aHRjults 9Bhbk0rc8WnqVOxf2k6OhshlA/2CNCb+FTvSusfwAk1vhASlhkMjbGjMLyxLrm311TIv U0etd7VfNFLUvT4cLwaH50uKgGOfNn7mtFJtDpNLGI3dpYRaVDt/13DwWO62fAq8dwq6 m3XQ== X-Gm-Message-State: AOAM5326s8qK+/GvHc3lsZkYHSNx/TM/rsnv278GDbVo9gaJtGOZbbMo DoknHbieIosaxKvWS6cYr7Ys4x3/flaTby7JOGDBz1SLkWQO X-Google-Smtp-Source: ABdhPJwtphcEpn94Y+GKY1ddbM7fL8AeKAWU5U3uy2A6xfXQnyUUGDnIRf4rsD452Bl9zZ3dM0mMHaUf7yhLWL7TBRJjz46LGT0b MIME-Version: 1.0 X-Received: by 2002:a05:6638:140d:: with SMTP id k13mr5342747jad.37.1639857558522; Sat, 18 Dec 2021 11:59:18 -0800 (PST) Date: Sat, 18 Dec 2021 11:59:18 -0800 In-Reply-To: <00000000000021bb9b05d14bf0c7@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000420dda05d37117f9@google.com> Subject: Re: [syzbot] WARNING in page_counter_cancel (3) From: syzbot To: akpm@linux-foundation.org, davem@davemloft.net, jiri@nvidia.com, kuba@kernel.org, leonro@nvidia.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org, netdev@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org syzbot has bisected this issue to: commit 22849b5ea5952d853547cc5e0651f34a246b2a4f Author: Leon Romanovsky Date: Thu Oct 21 14:16:14 2021 +0000 devlink: Remove not-executed trap policer notifications bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=16464095b00000 start commit: 158b515f703e tun: avoid double free in tun_free_netdev git tree: net final oops: https://syzkaller.appspot.com/x/report.txt?x=15464095b00000 console output: https://syzkaller.appspot.com/x/log.txt?x=11464095b00000 kernel config: https://syzkaller.appspot.com/x/.config?x=fa556098924b78f0 dashboard link: https://syzkaller.appspot.com/bug?extid=bc9e2d2dbcb347dd215a syz repro: https://syzkaller.appspot.com/x/repro.syz?x=13ff127eb00000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=11bedb6db00000 Reported-by: syzbot+bc9e2d2dbcb347dd215a@syzkaller.appspotmail.com Fixes: 22849b5ea595 ("devlink: Remove not-executed trap policer notifications") For information about bisection process see: https://goo.gl/tpsmEJ#bisection