From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from lindbergh.monkeyblade.net (lindbergh.monkeyblade.net [23.128.96.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 639BD1851 for ; Sat, 8 Jul 2023 17:53:35 +0000 (UTC) Received: from mail-pf1-f199.google.com (mail-pf1-f199.google.com [209.85.210.199]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 55A6110CE for ; Sat, 8 Jul 2023 10:53:33 -0700 (PDT) Received: by mail-pf1-f199.google.com with SMTP id d2e1a72fcca58-666ecb21f16so4944624b3a.2 for ; Sat, 08 Jul 2023 10:53:33 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1688838812; x=1691430812; 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=KgUpKTeGPzi/nNVifJ5WyvHuZtEbyrg/rprJfjMZE9E=; b=YaKrdeK2FHcFe2hdCjOJVkfeYRL2wKZY3HA3+nrpzGiuVc/og+0iHA6yZw89RW6ghL 3qVVYJ/U9O0ApQQ4zdxE+3ZQKQtF/Ompy46BAVbvbYTOoqMDP+i70PcneOSuxJxQxXmf uHBR2g5p1nlZ6BU5cEi/Nn0A60To93toiU59LlZGXLTR86RonUVkZqMSyMkFvmJCPloB XkK+AyGq41+dBArXCVi6nbjeSSbPRtQx/UwszNCYpI5F5VF5s43ZslGDR8mfzUSIiyN+ Ry4tlt/XsKly262M5puN3qEONiKD5/v4h8tdwQOJMzwo+i0CJ3c8PD/QicuGgYMFkHa9 Q/Lw== X-Gm-Message-State: ABy/qLaXlLQwDORhHsiRvsBshcTKUwe97mQmknopCAYzopoGTr8FhRgx d3/2HJyaiEzQ+jQ3TUdRj98q48kdXDL6vSDhniguiheiBQuV X-Google-Smtp-Source: APBJJlHbGeKU/oHF+i4JDiNs+OLRa+VkY0mxtGbwG4jhPYI5mf54+xRP/IBFTXmemnbvKYxRxTqAKT9fBMziZomVR1z8FcMjVMW4 Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6a00:2d95:b0:668:9181:8e20 with SMTP id fb21-20020a056a002d9500b0066891818e20mr11799357pfb.1.1688838812689; Sat, 08 Jul 2023 10:53:32 -0700 (PDT) Date: Sat, 08 Jul 2023 10:53:32 -0700 In-Reply-To: <000000000000d97d9305ff9f6e87@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000836b2805fffd6d7e@google.com> Subject: Re: [syzbot] [block?] KASAN: slab-out-of-bounds Read in bio_split_rw From: syzbot To: akpm@linux-foundation.org, axboe@kernel.dk, dhowells@redhat.com, herbert@gondor.apana.org.au, kuba@kernel.org, linux-block@vger.kernel.org, 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-Spam-Status: No, score=0.8 required=5.0 tests=BAYES_00,FROM_LOCAL_HEX, HEADER_FROM_DIFFERENT_DOMAINS,RCVD_IN_DNSWL_BLOCKED,RCVD_IN_MSPIKE_H3, RCVD_IN_MSPIKE_WL,SORTED_RECIPS,SPF_HELO_NONE,SPF_PASS, T_SCC_BODY_TEXT_LINE,URIBL_BLOCKED autolearn=no autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net syzbot has bisected this issue to: commit b6d972f6898308fbe7e693bf8d44ebfdb1cd2dc4 Author: David Howells Date: Fri Jun 16 11:10:32 2023 +0000 crypto: af_alg/hash: Fix recvmsg() after sendmsg(MSG_MORE) bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=15763ae8a80000 start commit: 3674fbf0451d Merge git://git.kernel.org/pub/scm/linux/kern.. git tree: net final oops: https://syzkaller.appspot.com/x/report.txt?x=17763ae8a80000 console output: https://syzkaller.appspot.com/x/log.txt?x=13763ae8a80000 kernel config: https://syzkaller.appspot.com/x/.config?x=c9bf1936936ca698 dashboard link: https://syzkaller.appspot.com/bug?extid=6f66f3e78821b0fff882 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=16223cb8a80000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=13f13920a80000 Reported-by: syzbot+6f66f3e78821b0fff882@syzkaller.appspotmail.com Fixes: b6d972f68983 ("crypto: af_alg/hash: Fix recvmsg() after sendmsg(MSG_MORE)") For information about bisection process see: https://goo.gl/tpsmEJ#bisection