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 lists.ozlabs.org (lists.ozlabs.org [112.213.38.117]) (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 2CB82CA0EC8 for ; Tue, 12 Sep 2023 01:35:11 +0000 (UTC) Received: from boromir.ozlabs.org (localhost [IPv6:::1]) by lists.ozlabs.org (Postfix) with ESMTP id 4Rl5k63XL1z3cB0 for ; Tue, 12 Sep 2023 11:35:10 +1000 (AEST) Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=m3kw2wvrgufz5godrsrytgd7.apphosting.bounces.google.com (client-ip=209.85.215.199; helo=mail-pg1-f199.google.com; envelope-from=3k8d_zakbangmste4ff8l4jjc7.aiiaf8om8l6ihn8hn.6ig@m3kw2wvrgufz5godrsrytgd7.apphosting.bounces.google.com; receiver=lists.ozlabs.org) Received: from mail-pg1-f199.google.com (mail-pg1-f199.google.com [209.85.215.199]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 4Rl5jW58HCz3c1H for ; Tue, 12 Sep 2023 11:34:38 +1000 (AEST) Received: by mail-pg1-f199.google.com with SMTP id 41be03b00d2f7-57787e29037so1188013a12.2 for ; Mon, 11 Sep 2023 18:34:37 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1694482475; x=1695087275; 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=99pQarvPvV1vI/NZ6ucA6oInnil7+zjro6ya8tjs7F0=; b=ohrcj84C1BdnLBP/kwKwc7CIsG0PWm9yESdjW+5IDBvrhO3f3CpJBCl0NEuCAP9y/k KlcXqlucZHi5RJcB2KtsA+Iby4UAWnJwwe7t9CNDQAfqo5XLxV8d2AvydTqfY7AMTqdu rfBGdplPJcp41ZkjxAkaaXoys/z9paZA1UJn1Y/a0MlhtrNSdMKBEOKpqDbZSMXsldJ6 0gAgxMiLjsuYCtPy05GCu4I6RfpIRII6VP5sBbLBcA4cEuMVa0/anEYtPvnBlT2DvOK6 p11sYPQmZugF0C5ec6kWVW2keQPYkgcknkBnOC00B+YVYukgiHsxpYBv5vSqEFxJX9LA zPQQ== X-Gm-Message-State: AOJu0YzjgTrPGmW8/pSmsvgecWVeUJZI+viWC/EsfpMZPXRpPSw/DxoJ TfID6raMemqBJaG8UVThVcvkuDMQgzopLpV7KuRgtfPJf3uz X-Google-Smtp-Source: AGHT+IG/uk4ab+/o9mpNiJ736IHnt52ha05CAPfdJJp8V9PvPQM77+mhbrRmd2FHH0Pcu4/Cy1TV/hBfNSQjDknGsfqZNtweOeZj MIME-Version: 1.0 X-Received: by 2002:a17:90a:e647:b0:262:ffa8:f49d with SMTP id ep7-20020a17090ae64700b00262ffa8f49dmr2924273pjb.9.1694482475506; Mon, 11 Sep 2023 18:34:35 -0700 (PDT) Date: Mon, 11 Sep 2023 18:34:35 -0700 In-Reply-To: <0000000000003afcb4060135a664@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <00000000000007e38806051f72e2@google.com> Subject: Re: [syzbot] [kernel?] general protection fault in arch_tlbbatch_flush From: syzbot To: akpm@linux-foundation.org, aneesh.kumar@linux.ibm.com, apopple@nvidia.com, arnd@arndb.de, bgray@linux.ibm.com, bp@alien8.de, catalin.marinas@arm.com, christophe.leroy@csgroup.eu, dave.hansen@linux.intel.com, hpa@zytor.com, linux-arch@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, linuxppc-dev@lists.ozlabs.org, luto@kernel.org, mingo@redhat.com, mpe@ellerman.id.au, npiggin@gmail.com, peterz@infradead.org, syzkaller-bugs@googlegroups.com, tglx@linutronix.de, will@kernel.org, x86@kernel.org Content-Type: text/plain; charset="UTF-8" X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" syzbot has bisected this issue to: commit 75c400f82d347af1307010a3e06f3aa5d831d995 Author: Alistair Popple Date: Wed Jul 19 12:18:44 2023 +0000 mmu_notifiers: call invalidate_range() when invalidating TLBs bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=14bd6d0c680000 start commit: c58c49dd8932 Add linux-next specific files for 20230720 git tree: linux-next final oops: https://syzkaller.appspot.com/x/report.txt?x=16bd6d0c680000 console output: https://syzkaller.appspot.com/x/log.txt?x=12bd6d0c680000 kernel config: https://syzkaller.appspot.com/x/.config?x=27d64413bce3a1d8 dashboard link: https://syzkaller.appspot.com/bug?extid=5759bce381cb6f9c51fa syz repro: https://syzkaller.appspot.com/x/repro.syz?x=177f484ea80000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=12e4a4e6a80000 Reported-by: syzbot+5759bce381cb6f9c51fa@syzkaller.appspotmail.com Fixes: 75c400f82d34 ("mmu_notifiers: call invalidate_range() when invalidating TLBs") For information about bisection process see: https://goo.gl/tpsmEJ#bisection