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=-3.7 required=3.0 tests=BAYES_00,FROM_LOCAL_HEX, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED autolearn=no 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 2059DC388F2 for ; Mon, 2 Nov 2020 07:23:12 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id D2D1D21556 for ; Mon, 2 Nov 2020 07:23:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728066AbgKBHXL (ORCPT ); Mon, 2 Nov 2020 02:23:11 -0500 Received: from mail-il1-f200.google.com ([209.85.166.200]:45770 "EHLO mail-il1-f200.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727865AbgKBHXJ (ORCPT ); Mon, 2 Nov 2020 02:23:09 -0500 Received: by mail-il1-f200.google.com with SMTP id z18so9572719ilb.12 for ; Sun, 01 Nov 2020 23:23:07 -0800 (PST) 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=2UyDQv8E1XspZMV78KNBT26cn2GGMd5ig6Tf1UtogOA=; b=LoqA0RVA6JHBNnnVuf8FzhtuTtQANZ4ZehHuL4ftG36QD414NLGfp1Oss2buK0OmAk MK/m+yl+VVOgZSucczWwRHrbhbOD3JfaJR5eLnmVsBxNIsHpyMXA2ADezr/DhKYig3O5 bQ+4FJevP35Mh2oruoJjffh3yRCfcLunSJIvPIztq24NiZmYR53setA2zGTt1ah22A/6 Db9lqBx4YOwazreGc85CH4dp9gPjZA5b8gIDxL88sKCAYs3e7HvdFKM3Pjl2bfylqVKO Qc2SIeG2IYNKPuDN05o7YP08hewnuixkVFeKl4vmu0d0Kp3+cKBH1UL5yjOj3LNnJ3vo h6ug== X-Gm-Message-State: AOAM531kcBFgPvwZMtTAqLZwkGvwnZX3EmwWMvpzubQxqzUykTUglMki VF57I3SYPA+6TLAFjecxSIRUh48xlndD5JpkpX65voAnkGwG X-Google-Smtp-Source: ABdhPJzoH6khlFDroSU93HRb6B6g52wrE97mFnt2Q9goMzm28lI51hfnapLFiKFwAngMuOSXVqXOIRpT7cO7j9OBDoweJQcqSYxf MIME-Version: 1.0 X-Received: by 2002:a6b:e613:: with SMTP id g19mr9732302ioh.17.1604301787015; Sun, 01 Nov 2020 23:23:07 -0800 (PST) Date: Sun, 01 Nov 2020 23:23:07 -0800 In-Reply-To: <000000000000f1a42205b2528067@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <00000000000020b31905b31a9edc@google.com> Subject: Re: KASAN: slab-out-of-bounds Write in xfrm_attr_cpy32 From: syzbot To: 0x7f454c46@gmail.com, andriin@fb.com, ast@kernel.org, bpf@vger.kernel.org, daniel@iogearbox.net, davem@davemloft.net, dima@arista.com, hdanton@sina.com, herbert@gondor.apana.org.au, john.fastabend@gmail.com, kafai@fb.com, kpsingh@chromium.org, kuba@kernel.org, linux-kernel@vger.kernel.org, mkubecek@suse.cz, netdev@vger.kernel.org, songliubraving@fb.com, steffen.klassert@secunet.com, syzkaller-bugs@googlegroups.com, yhs@fb.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 5106f4a8acff480e244300bc5097c0ad7048c3a2 Author: Dmitry Safonov Date: Mon Sep 21 14:36:55 2020 +0000 xfrm/compat: Add 32=>64-bit messages translator bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=16cefa8a500000 start commit: 3cea11cd Linux 5.10-rc2 git tree: upstream final oops: https://syzkaller.appspot.com/x/report.txt?x=15cefa8a500000 console output: https://syzkaller.appspot.com/x/log.txt?x=11cefa8a500000 kernel config: https://syzkaller.appspot.com/x/.config?x=61033507391c77ff dashboard link: https://syzkaller.appspot.com/bug?extid=c43831072e7df506a646 userspace arch: i386 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1388676c500000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=158f642c500000 Reported-by: syzbot+c43831072e7df506a646@syzkaller.appspotmail.com Fixes: 5106f4a8acff ("xfrm/compat: Add 32=>64-bit messages translator") For information about bisection process see: https://goo.gl/tpsmEJ#bisection