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[2620:137:e000::1:20]) by mx.google.com with ESMTP id e22-20020a170906315600b006f38e1e32c2si2993118eje.92.2022.04.27.22.42.24; Wed, 27 Apr 2022 22:42:47 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=appspotmail.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S242469AbiD1EJa (ORCPT + 99 others); Thu, 28 Apr 2022 00:09:30 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57158 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S242538AbiD1EJ0 (ORCPT ); Thu, 28 Apr 2022 00:09:26 -0400 Received: from mail-il1-f200.google.com (mail-il1-f200.google.com [209.85.166.200]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id CBCB3996A9 for ; Wed, 27 Apr 2022 21:06:12 -0700 (PDT) Received: by mail-il1-f200.google.com with SMTP id v11-20020a056e0213cb00b002cbcd972206so1103048ilj.11 for ; Wed, 27 Apr 2022 21:06:12 -0700 (PDT) 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=Dfql/PVbRo9vj4AXiDRfDxD3zQunv3jkZ/rUdTpjkoQ=; b=Y2QX9cgs7KneNOpCTTDDUugSxJ5NBhZPb7gCkyg5HtSgQMVtOFXOvhTHmQRziR4xg2 EaxJgxX1ALGfqBcIx3R8nTry+dTperQOdEtqhkrLedNoE7133Op+5r5pp9NX7MdBZ9f7 dkppbMY9CbAJdsneZr+BndK+B/WgM1pzbWszyzRY+FX0Gz5Mv8Oofv+EzAnxKdx4fplm 1KQtIeaD1Q5vCPmoqsq9gMuQigUQIVGNQmjesx1PJiP88GGicWtkxmSZ900RwCElgyA0 Z3U8SN1jeeoMqAq6GCiaLAEk+q6s/XIjMpy4cgesEkHzKoe6B3QDnAca5otffFUf+eaJ dtEQ== X-Gm-Message-State: AOAM533ze3b0LA20Gf8xw6KAkF/XgNKuaEiFhOiYB8JtA5moDYH1bmHB nrQgbP34MP3T+T+acbr81sRj3AiNG3v0pw/WHvtCA8TslNRm MIME-Version: 1.0 X-Received: by 2002:a92:6e0b:0:b0:2c9:a276:58cc with SMTP id j11-20020a926e0b000000b002c9a27658ccmr12743934ilc.199.1651118772189; Wed, 27 Apr 2022 21:06:12 -0700 (PDT) Date: Wed, 27 Apr 2022 21:06:12 -0700 In-Reply-To: <000000000000a23c8505dda227eb@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000e6000105ddaf0b55@google.com> Subject: Re: [syzbot] WARNING in vma_merge From: syzbot To: akpm@linux-foundation.org, andreyknvl@google.com, liam.howlett@oracle.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org, peterx@redhat.com, quic_qiancai@quicinc.com, syzkaller-bugs@googlegroups.com, torvalds@linux-foundation.org Content-Type: text/plain; charset="UTF-8" X-Spam-Status: No, score=0.9 required=5.0 tests=BAYES_00,FROM_LOCAL_HEX, HEADER_FROM_DIFFERENT_DOMAINS,RCVD_IN_DNSWL_NONE,RCVD_IN_MSPIKE_H2, SORTED_RECIPS,SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org syzbot has bisected this issue to: commit 80207910cd71b4e0e87140d165d82b5d3ff69e53 Author: Andrey Konovalov Date: Fri Mar 25 01:13:12 2022 +0000 kasan: move and hide kasan_save_enable/restore_multi_shot bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=16d9a4e4f00000 start commit: f02ac5c95dfd Add linux-next specific files for 20220427 git tree: linux-next final oops: https://syzkaller.appspot.com/x/report.txt?x=15d9a4e4f00000 console output: https://syzkaller.appspot.com/x/log.txt?x=11d9a4e4f00000 kernel config: https://syzkaller.appspot.com/x/.config?x=e9256c70f586da8a dashboard link: https://syzkaller.appspot.com/bug?extid=7728e4ab5371cebc9c00 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=15f76f82f00000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=12b42c3cf00000 Reported-by: syzbot+7728e4ab5371cebc9c00@syzkaller.appspotmail.com Fixes: 80207910cd71 ("kasan: move and hide kasan_save_enable/restore_multi_shot") For information about bisection process see: https://goo.gl/tpsmEJ#bisection