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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 17F6FEEB56C for ; Fri, 8 Sep 2023 18:04:46 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:To:From:Subject:Message-ID:In-Reply-To: Date:MIME-Version:Reply-To:Cc:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:References: List-Owner; bh=Kp8tAmg80E2vuMNOc7zjwFE9R+yutezHVdaPMdDCi1Y=; b=x6AsxZeQ2jcAM6 Vsbw6/OCBMGdCjaDmHXMPhoTfKGTNyODtUi0x8XY+FkCdw6PqAK8qJeab49RtB/WZrGABDK/Z8/MK k0QTJPFlCgvBXdtfyqDzWpBZoTN9iKUPA3XKLSglZVzWY30nIZfB22fJ+DbDnVFNRHgDMTTiZZg9u U8BfB/D0KKFwJDw8flTSYh8L/5RxbPXuK4g2PnnhIpwe0m6PPFBfcNF4s8aIZFCo8XQpfTJtTs1iS 7rwSh9qg1wToQGkPOIzmUY0P75SRo2Ttlvbw3EQ/IG2TWS/EpZM8dfz5oo3DUJ4hFga28tghL/uUw AgmJKwRPNM1bGsjsz1Nw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1qefqO-00EDeR-2p; Fri, 08 Sep 2023 18:04:36 +0000 Received: from mail-pf1-f198.google.com ([209.85.210.198]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1qefqK-00EDah-31 for linux-riscv@lists.infradead.org; Fri, 08 Sep 2023 18:04:35 +0000 Received: by mail-pf1-f198.google.com with SMTP id d2e1a72fcca58-68bec43ec0cso3285726b3a.2 for ; Fri, 08 Sep 2023 11:04:30 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1694196270; x=1694801070; h=to:from:subject:message-id:in-reply-to:date:mime-version :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=0lAvPiHpQzYJH2/Evbqeae0jEIobBXd5mkIT/JR5mjU=; b=ZwJ9yVNPPJaIwhFUupt3XwH/lKncjDao99qIN1/yjSE8Gedk4OternAimz2C0L2Ws9 LYA5knGS8zflLGMCwAG8y2mURXbh49lcCou4OnKDyKr59rG9Ydq2QTKzWMmaojecWjFE 1mxwC4fHVGBF8LDxfdCGk/Avuzd1PkyfdCx2+8+YgxIoGGMgL88D51NXyluYgxuOSPCu ayqlz2HripV4jgKD3/ks4RNzKNu49sTHwf7I7jPW+K1A1ckwSSNBiriXH+fcQc2LbmJe i++Ije2jx6XBIL5e8TNXwYOCkx/6deYC9OT0M5WSZIlhJMG3bsLlGVtos3Uv6WmsJMPS mkNw== X-Gm-Message-State: AOJu0YwknL9ClNA5iY3YnKY8q3DuJQiyovswA1v3D84sNCbC7fyqgpEC cYy6Ry6qexEKo0hCEd9LRVvp8y9KiaruWu4htY+muAzNsDzP X-Google-Smtp-Source: AGHT+IFG6oZqBOayFovKE0NVKEQ0Xnwtd+Nskzg2qKPXIoko6vfMv+elInHkBKWJh6QlQckbllDdPD2ESA+Mlnx+N1cgB86kBYBd MIME-Version: 1.0 X-Received: by 2002:a05:6a00:80c:b0:68a:3c7a:128c with SMTP id m12-20020a056a00080c00b0068a3c7a128cmr1357477pfk.2.1694196270440; Fri, 08 Sep 2023 11:04:30 -0700 (PDT) Date: Fri, 08 Sep 2023 11:04:30 -0700 In-Reply-To: <000000000000f392a60604a65085@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000e127ec0604dcce27@google.com> Subject: Re: [syzbot] [mm?] kernel BUG in vma_replace_policy From: syzbot To: 42.hyeyoo@gmail.com, Liam.Howlett@Oracle.com, agordeev@linux.ibm.com, akpm@linux-foundation.org, alexghiti@rivosinc.com, aou@eecs.berkeley.edu, borntraeger@linux.ibm.com, cgroups@vger.kernel.org, christophe.leroy@csgroup.eu, damon@lists.linux.dev, david@redhat.com, eadavis@sina.com, frankja@linux.ibm.com, gerald.schaefer@linux.ibm.com, gor@linux.ibm.com, hannes@cmpxchg.org, hca@linux.ibm.com, imbrenda@linux.ibm.com, jeeheng.sia@starfivetech.com, jglisse@redhat.com, kvm@vger.kernel.org, leyfoon.tan@starfivetech.com, linmiaohe@huawei.com, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, linux-riscv@lists.infradead.org, linux-s390@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, mason.huo@starfivetech.com, mhocko@kernel.org, mpe@ellerman.id.au, muchun.song@linux.dev, naoya.horiguchi@nec.com, npiggin@gmail.com, palmer@dabbelt.com, paul.walmsley@sifive.com, roman.gushchin@linux.dev, sebastian.reichel@collabora.com, shakeelb@google.com, sj@kernel.org, surenb@google.com, svens@linux.ibm.com, syzkaller-bugs@googlegroups.com, willy@infradead.org X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230908_110432_969254_F003A4D1 X-CRM114-Status: UNSURE ( 4.05 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org syzbot has bisected this issue to: commit 49b0638502da097c15d46cd4e871dbaa022caf7c Author: Suren Baghdasaryan Date: Fri Aug 4 15:27:19 2023 +0000 mm: enable page walking API to lock vmas during the walk bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=11fd2348680000 start commit: 7733171926cc Merge tag 'mailbox-v6.6' of git://git.linaro... git tree: upstream final oops: https://syzkaller.appspot.com/x/report.txt?x=13fd2348680000 console output: https://syzkaller.appspot.com/x/log.txt?x=15fd2348680000 kernel config: https://syzkaller.appspot.com/x/.config?x=b273cdfbc13e9a4b dashboard link: https://syzkaller.appspot.com/bug?extid=b591856e0f0139f83023 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=15d4ecd0680000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1055c284680000 Reported-by: syzbot+b591856e0f0139f83023@syzkaller.appspotmail.com Fixes: 49b0638502da ("mm: enable page walking API to lock vmas during the walk") For information about bisection process see: https://goo.gl/tpsmEJ#bisection _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv