Received: by 2002:a05:6358:3188:b0:123:57c1:9b43 with SMTP id q8csp1973549rwd; Tue, 13 Jun 2023 17:50:49 -0700 (PDT) X-Google-Smtp-Source: ACHHUZ42WVAgc8abTMauLOGL62osxcFC7E7LpBHq78eTv8FpgN95+wBiy4czHNmmfkLhhZEQDtL6 X-Received: by 2002:a17:906:99c1:b0:973:ca9c:3e43 with SMTP id s1-20020a17090699c100b00973ca9c3e43mr15657415ejn.45.1686703849668; Tue, 13 Jun 2023 17:50:49 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1686703849; cv=none; d=google.com; s=arc-20160816; b=I0XyXECcbLOZIoipy+xQBZenEPCGmY4YQg3ZLT8vjRGYYDuxe14u7KqEbkCLYBMPEQ v5QHRXF91GsuNQ8IrrCyqloDiJH3IAXdXUlL5LsNHpblTv9JTlupKcKpf+pZ6bthyEDu uKx3MmH1HZwqnSUFwiIUz1vN5Y96obyNeZv7lsCuCbNjqjxDwq42vyG0MUhO8rlkHdEw lgDLnAONVM+s9fE+XEB8Q5zHqZjoeJZG4xG60i2Mr4/qDG3BGiQl/4x3TKKFzpxA8lwG FInaCoSc05C/Q/68zrswJ8ENrp1rii0NalM95FnblUFeCdOrLf+W/rwf+nab3hzeyYIv Qy6A== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:to:from:subject:message-id:in-reply-to:date :mime-version; bh=2l3o9X4DUl6CHYQ2eJ/wgVXYrcJVZyyGP64Bx5hzSFo=; b=TXbRHVby9MkIQoqtiNYICdrs4rrEnSf1+NSNOdD9blc6IPNM454bqZtlr5InWdAoKO okeiLe61Mv9O+EdivSo76wJwCina50Kw2hHzzAxLv014sgEbZzKURfSngbIcuk/QPGZz 8OY73LCowuINtNxApI2xZqE213wdGs0Joz8jc9H9EDHdyEB1vUQKABRPhY6o8jVu23vV 9HHsfqSW6EdPn1Bo/CwdRN2YaXxaUTAZ7gmZFFxgUE6PakN03MX5Kmm/2Kynkm5mCK+7 4kd8A4eZ5u13VtLXI4Ton6wwsrzOOYZHXy8G9W+UL3NBYzHuHf5OFMr+jc/PJePzfK9c Y5Yg== ARC-Authentication-Results: i=1; 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 Return-Path: Received: from out1.vger.email (out1.vger.email. [2620:137:e000::1:20]) by mx.google.com with ESMTP id lr11-20020a170906fb8b00b009738c95bb16si7242052ejb.888.2023.06.13.17.50.22; Tue, 13 Jun 2023 17:50:49 -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 S233110AbjFNAnf (ORCPT + 99 others); Tue, 13 Jun 2023 20:43:35 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58568 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232176AbjFNAnc (ORCPT ); Tue, 13 Jun 2023 20:43:32 -0400 Received: from mail-io1-f72.google.com (mail-io1-f72.google.com [209.85.166.72]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8867E1996 for ; Tue, 13 Jun 2023 17:43:31 -0700 (PDT) Received: by mail-io1-f72.google.com with SMTP id ca18e2360f4ac-77b0124d7beso414552139f.2 for ; Tue, 13 Jun 2023 17:43:31 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1686703411; x=1689295411; 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=2l3o9X4DUl6CHYQ2eJ/wgVXYrcJVZyyGP64Bx5hzSFo=; b=OnkPH1LvYb39NzbmLiJqt7mC9bl1iHikWO4TwN6ugM0tHaCubuZFZSdluIQ7k8aXcL D3XDAXKsNvvjAxyNuTBngGfBtJDaJQZLBgtP6iraS1RHwh7PAxpzOpu+3vO3CYqxM5zc 4nIucuhs6/mCTOLNQR7owjUOfHfJGjs6yElGQSbKAaSUI41gPX0eAsQ1Bp21N+9hEaAi bwjE1mhC5PXf3ElHfxCmR/jHETEXB+ImzRGl4vYkV7vTSP2unIYRx4YbUBcBTO9KoeKl GvAAl5lVLQEspkVfPoBrC024pJY3FyWL+UyRKrE1pBYHjs6sbS7BITLaQ7VqiVAgFk26 Nu1g== X-Gm-Message-State: AC+VfDztIBCW17xSFc4humt+b93G+e9LbCIW2wxv7GVmuZ5PZ0ox0yfQ Ht6AE9yHHPns3P1F8OZwdX1EZfgnkfwguQe25VrI7P0AW3Ki MIME-Version: 1.0 X-Received: by 2002:a5d:8a18:0:b0:774:8f36:bb8e with SMTP id w24-20020a5d8a18000000b007748f36bb8emr5930497iod.2.1686703410910; Tue, 13 Jun 2023 17:43:30 -0700 (PDT) Date: Tue, 13 Jun 2023 17:43:30 -0700 In-Reply-To: <000000000000342a9105fe052726@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000a61ffe05fe0c3d08@google.com> Subject: Re: [syzbot] [net?] WARNING in unreserve_psock From: syzbot To: bpf@vger.kernel.org, davem@davemloft.net, dhowells@redhat.com, edumazet@google.com, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, pabeni@redhat.com, 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_NONE,RCVD_IN_MSPIKE_H2, 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 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org syzbot has bisected this issue to: commit c31a25e1db486f36a0ffe3c849b0a82cda3db7db Author: David Howells Date: Fri Jun 9 10:02:21 2023 +0000 kcm: Send multiple frags in one sendmsg() bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=13050c75280000 start commit: c29e012eae29 selftests: forwarding: Fix layer 2 miss test .. git tree: net-next final oops: https://syzkaller.appspot.com/x/report.txt?x=10850c75280000 console output: https://syzkaller.appspot.com/x/log.txt?x=17050c75280000 kernel config: https://syzkaller.appspot.com/x/.config?x=526f919910d4a671 dashboard link: https://syzkaller.appspot.com/bug?extid=dd1339599f1840e4cc65 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=170f2663280000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=12f1c5e7280000 Reported-by: syzbot+dd1339599f1840e4cc65@syzkaller.appspotmail.com Fixes: c31a25e1db48 ("kcm: Send multiple frags in one sendmsg()") For information about bisection process see: https://goo.gl/tpsmEJ#bisection