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 99BD4C433EF for ; Sat, 18 Dec 2021 19:59:40 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 14D176B0074; Sat, 18 Dec 2021 14:59:30 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 0FD6A6B0075; Sat, 18 Dec 2021 14:59:30 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id F061B6B0078; Sat, 18 Dec 2021 14:59:29 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0013.hostedemail.com [216.40.44.13]) by kanga.kvack.org (Postfix) with ESMTP id E468D6B0074 for ; Sat, 18 Dec 2021 14:59:29 -0500 (EST) Received: from smtpin30.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay04.hostedemail.com (Postfix) with ESMTP id A45258B778 for ; Sat, 18 Dec 2021 19:59:19 +0000 (UTC) X-FDA: 78931979238.30.5CA66F0 Received: from mail-io1-f72.google.com (mail-io1-f72.google.com [209.85.166.72]) by imf25.hostedemail.com (Postfix) with ESMTP id 8E721A0041 for ; Sat, 18 Dec 2021 19:59:12 +0000 (UTC) Received: by mail-io1-f72.google.com with SMTP id k6-20020a0566022d8600b005e6ff1b6bbaso4042127iow.8 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=Cwkg1gBpAjqXkr6V0VJI5DcyStbfdH+SUJQYLI7qU5huY/NgNmkzPrGsepOFxJAxTX y94uNMm4pvJEhwFXRfcBaX96afILIvf3stCjRGw2kPaz8ymNGG3y4a4SuY2k2GbFGxK1 zxk4g13aLDlrVWuLWHH/lWo25LrXlXZTxKcqS99rBLFhL7Qm7W5CImxQRro94echfmt7 jabBOQLUUyF2av+17+OcygRJfqKF4mb4dsTfwMEFem+y9smv/UUGu/VQH46PtAJs6Em+ 42t7S9lqzHTRc2W1UT6wzsDomLKx+BKCuLu1vCCKEqGfdyrzMXkaYBETKbgY3ICsOZIq RVbA== X-Gm-Message-State: AOAM531h5GFg+o5QuXFCJNiDkJKAeZHkeDrGr8ZMwK4moRiLf2hFc5oB rxPdauoFWgHIASeaDomFzlXoc3g7HlTvsZhVa9ktSBscVLzT 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" X-Rspamd-Server: rspam07 X-Rspamd-Queue-Id: 8E721A0041 X-Stat-Signature: r38ysn9r3i5hm38ion7w9w6chbs4j8gg Authentication-Results: imf25.hostedemail.com; dkim=none; dmarc=fail reason="SPF not aligned (relaxed), No valid DKIM" header.from=appspotmail.com (policy=none); spf=pass (imf25.hostedemail.com: domain of 3lj2-YQkbAB8NTUF5GG9M5KKD8.BJJBG9PN9M7JIO9IO.7JH@M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com designates 209.85.166.72 as permitted sender) smtp.mailfrom=3lj2-YQkbAB8NTUF5GG9M5KKD8.BJJBG9PN9M7JIO9IO.7JH@M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com X-HE-Tag: 1639857552-567739 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: 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