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 0CD7DC4338F for ; Mon, 26 Jul 2021 06:03:31 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id D6FA660F45 for ; Mon, 26 Jul 2021 06:03:30 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231679AbhGZFW5 (ORCPT ); Mon, 26 Jul 2021 01:22:57 -0400 Received: from mail-io1-f71.google.com ([209.85.166.71]:57151 "EHLO mail-io1-f71.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229683AbhGZFW4 (ORCPT ); Mon, 26 Jul 2021 01:22:56 -0400 Received: by mail-io1-f71.google.com with SMTP id k24-20020a6bef180000b02904a03acf5d82so7752483ioh.23 for ; Sun, 25 Jul 2021 23:03:24 -0700 (PDT) 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:message-id:subject:from:to; bh=JfbhjMR66wI1pvpYO16Yx+gCNLgoGcbJx3F6G+TVvgA=; b=ekfWwB+wzetmhq7PvlkWM3HDSFvXCWotVC7SztTW0uwKG76UZgdVqx75Z8HpK/vgcq 6xlXDph5iOo1amqSfETQUPk0wOBNns9q4B2a5TIkcYiMEwz+cRK6ThJ+jNDmhO1eEmln HGGuwdmT/3I0tMlaUr1e+Frsvz7KLv59N8oIXH2CSeuSMRCw7RSwy5FKosNDnNqQPVSD rBe/sxyCa7DMxT7ht5WH6l1HLkE89cQr6hvDurnk175v9HTwVJHCt9A7SW0aOhvyNUk2 faWznW3Wl3p8+t7AmTXRoEqKZfkA3OPmJkj/DmORjPcoZ3Kl1sGA5I18gZAdt65JJyJr D9wQ== X-Gm-Message-State: AOAM530yuRTjALz1UijO4i945qUAi8sTIys2aPvrMjI2vSoTAmAj92px znjaC8d+mLLIYPdQcPCBMt/RB1KU4nsBjdKz+vx6Z4EhqLlL X-Google-Smtp-Source: ABdhPJya86IQNZAnEye9luaQvyfeUXdBgmXgr3P9WmnUsu5Zb03TCIxDEm3Z2vwW2/RyIGG7SUYHcUDjKm1H3Cev2VhGJUS9ErTm MIME-Version: 1.0 X-Received: by 2002:a02:90cb:: with SMTP id c11mr15313659jag.53.1627279404706; Sun, 25 Jul 2021 23:03:24 -0700 (PDT) Date: Sun, 25 Jul 2021 23:03:24 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000de2e6105c8008244@google.com> Subject: [syzbot] kernel BUG in rxrpc_destroy_all_connections From: syzbot To: davem@davemloft.net, dhowells@redhat.com, kuba@kernel.org, linux-afs@lists.infradead.org, linux-kernel@vger.kernel.org, marc.dionne@auristor.com, netdev@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Hello, syzbot found the following issue on: HEAD commit: 08f71a1e39a1 selftests/bpf: Check inner map deletion git tree: bpf-next console output: https://syzkaller.appspot.com/x/log.txt?x=11d2d36c300000 kernel config: https://syzkaller.appspot.com/x/.config?x=da140227e4f25b17 dashboard link: https://syzkaller.appspot.com/bug?extid=bf9c3ae5a6f9fd3d043c Unfortunately, I don't have any reproducer for this issue yet. IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+bf9c3ae5a6f9fd3d043c@syzkaller.appspotmail.com rxrpc: Assertion failed ------------[ cut here ]------------ kernel BUG at net/rxrpc/conn_object.c:479! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 10 Comm: kworker/u4:1 Tainted: G W 5.14.0-rc1-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: netns cleanup_net RIP: 0010:rxrpc_destroy_all_connections.cold+0x11/0x13 net/rxrpc/conn_object.c:479 Code: c0 48 c7 c1 40 07 a4 8a 48 89 f2 48 c7 c7 c0 03 a4 8a e8 61 f8 c0 ff 0f 0b e8 04 0d 4e f8 48 c7 c7 c0 06 a4 8a e8 4e f8 c0 ff <0f> 0b e8 f1 0c 4e f8 48 c7 c7 80 0b a4 8a e8 3b f8 c0 ff 0f 0b e8 RSP: 0018:ffffc90000cf7b30 EFLAGS: 00010282 RAX: 0000000000000017 RBX: ffff888017690000 RCX: 0000000000000000 RDX: ffff888010a59c40 RSI: ffffffff815d6a45 RDI: fffff5200019ef58 RBP: ffff888017690064 R08: 0000000000000017 R09: 0000000000000000 R10: ffffffff815d087e R11: 0000000000000000 R12: ffff888017690068 R13: ffff888017690078 R14: ffff888017690078 R15: ffff88801768feb8 FS: 0000000000000000(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055eda1b11928 CR3: 0000000021a6e000 CR4: 00000000001506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: rxrpc_exit_net+0x155/0x2f0 net/rxrpc/net_ns.c:119 ops_exit_list+0xb0/0x160 net/core/net_namespace.c:175 cleanup_net+0x4ea/0xb10 net/core/net_namespace.c:595 process_one_work+0x98d/0x1630 kernel/workqueue.c:2276 worker_thread+0x658/0x11f0 kernel/workqueue.c:2422 kthread+0x3e5/0x4d0 kernel/kthread.c:319 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295 Modules linked in: ---[ end trace 5947326f88ebc62c ]--- RIP: 0010:rxrpc_destroy_all_connections.cold+0x11/0x13 net/rxrpc/conn_object.c:479 Code: c0 48 c7 c1 40 07 a4 8a 48 89 f2 48 c7 c7 c0 03 a4 8a e8 61 f8 c0 ff 0f 0b e8 04 0d 4e f8 48 c7 c7 c0 06 a4 8a e8 4e f8 c0 ff <0f> 0b e8 f1 0c 4e f8 48 c7 c7 80 0b a4 8a e8 3b f8 c0 ff 0f 0b e8 RSP: 0018:ffffc90000cf7b30 EFLAGS: 00010282 RAX: 0000000000000017 RBX: ffff888017690000 RCX: 0000000000000000 RDX: ffff888010a59c40 RSI: ffffffff815d6a45 RDI: fffff5200019ef58 RBP: ffff888017690064 R08: 0000000000000017 R09: 0000000000000000 R10: ffffffff815d087e R11: 0000000000000000 R12: ffff888017690068 R13: ffff888017690078 R14: ffff888017690078 R15: ffff88801768feb8 FS: 0000000000000000(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055eda1bbf997 CR3: 0000000021a6e000 CR4: 00000000001506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 --- This report is generated by a bot. It may contain errors. See https://goo.gl/tpsmEJ for more information about syzbot. syzbot engineers can be reached at syzkaller@googlegroups.com. syzbot will keep track of this issue. See: https://goo.gl/tpsmEJ#status for how to communicate with syzbot.