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 F38E6C43461 for ; Thu, 10 Sep 2020 08:48:31 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B872921556 for ; Thu, 10 Sep 2020 08:48:31 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730465AbgIJIsa (ORCPT ); Thu, 10 Sep 2020 04:48:30 -0400 Received: from mail-io1-f77.google.com ([209.85.166.77]:36207 "EHLO mail-io1-f77.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726847AbgIJIsW (ORCPT ); Thu, 10 Sep 2020 04:48:22 -0400 Received: by mail-io1-f77.google.com with SMTP id h8so3844988ioa.3 for ; Thu, 10 Sep 2020 01:48:21 -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=ss+NDibV+9A1A4nhUiuCZmAy2xJiaoswkCsDPh/ljK0=; b=I5U1sbjPW4bcyRq3AHBEz/Lso5dOS2NORavzmdcrXNA40tzBCmpzI2c0gqxczom3bd bYY9rKSHJQJlT4dewR4C55i2UuWYhlPRoqu484X3btiiaj1+oX+dYrzpZF6/geMlWz9Y /a3dNrmFB+eEo8tE/pTI2fEVJA8h8XYSHYqQuwWBhtPZMANVaggl39ECxNCpp2kE0Dl8 42r6djAXeQJr3qtCEHpFkSNWgsrVh2Likev64SFwd009KnPbJfwUCjPmZTGXZwKoqkzj CVV1nJYRwlP4A+Stiqhor6IG5k6WTykqQaXL/dYIJT2RDKUZqm6vy4HOfU/jVhOXLUzH lsJA== X-Gm-Message-State: AOAM530QOp6l8mGQIvqiM7Kw9XhmitoeJt0UBTUYZZ2G7hh+t5MlGslj fJZq0iT4J/8lp6N7/zAj9KjXl+CMfUcevCgO5DLYYpZDbCdK X-Google-Smtp-Source: ABdhPJwskIZBJxIhH+SvsruZKozcsWaPSpr2Ik9ydDFAt2JAIkl+GjSkZWwUURXqIRfRMllMo5kAD/PUXnvUAnZN3Uy6qTbXqPii MIME-Version: 1.0 X-Received: by 2002:a05:6638:144:: with SMTP id y4mr7640549jao.61.1599727701395; Thu, 10 Sep 2020 01:48:21 -0700 (PDT) Date: Thu, 10 Sep 2020 01:48:21 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000610c6805aef1a1b8@google.com> Subject: kernel BUG at net/rxrpc/conn_object.c:LINE! From: syzbot To: davem@davemloft.net, dhowells@redhat.com, kuba@kernel.org, linux-afs@lists.infradead.org, linux-kernel@vger.kernel.org, mingo@redhat.com, netdev@vger.kernel.org, rostedt@goodmis.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello, syzbot found the following issue on: HEAD commit: f5499c67 nfc: pn533/usb.c: fix spelling of "functions" git tree: net-next console output: https://syzkaller.appspot.com/x/log.txt?x=16415055900000 kernel config: https://syzkaller.appspot.com/x/.config?x=2b946b3cd0adc99 dashboard link: https://syzkaller.appspot.com/bug?extid=52071f826a617b9c76ed compiler: gcc (GCC) 10.1.0-syz 20200507 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=16be260d900000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=100b7cdd900000 The issue was bisected to: commit 245500d853e9f20036cec7df4f6984ece4c6bf26 Author: David Howells Date: Wed Jul 1 10:15:32 2020 +0000 rxrpc: Rewrite the client connection manager bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=11950759900000 final oops: https://syzkaller.appspot.com/x/report.txt?x=13950759900000 console output: https://syzkaller.appspot.com/x/log.txt?x=15950759900000 IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+52071f826a617b9c76ed@syzkaller.appspotmail.com Fixes: 245500d853e9 ("rxrpc: Rewrite the client connection manager") rxrpc: Assertion failed ------------[ cut here ]------------ kernel BUG at net/rxrpc/conn_object.c:481! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 234 Comm: kworker/u4:5 Not tainted 5.9.0-rc3-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:481 Code: c0 48 c7 c1 00 b0 14 89 48 89 f2 48 c7 c7 80 ac 14 89 e8 04 4d 0c fa 0f 0b e8 be 15 23 fa 48 c7 c7 80 af 14 89 e8 f1 4c 0c fa <0f> 0b 41 57 41 56 41 55 41 54 55 53 48 89 f3 48 83 ec 20 48 89 3c RSP: 0018:ffffc90000f57b18 EFLAGS: 00010282 RAX: 0000000000000017 RBX: ffff8880945a8000 RCX: 0000000000000000 RDX: ffff8880a85ca200 RSI: ffffffff815dbd97 RDI: fffff520001eaf55 RBP: ffff8880945a8064 R08: 0000000000000017 R09: ffff8880ae731927 R10: 0000000000000000 R11: 0000000034333254 R12: ffff8880945a8068 R13: ffff8880945a8078 R14: ffff8880945a8078 R15: ffff8880945a7eb8 FS: 0000000000000000(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fdbae898020 CR3: 00000000963ae000 CR4: 00000000001506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: rxrpc_exit_net+0x1a4/0x2e0 net/rxrpc/net_ns.c:119 ops_exit_list+0xb0/0x160 net/core/net_namespace.c:186 cleanup_net+0x4ea/0xa00 net/core/net_namespace.c:603 process_one_work+0x94c/0x1670 kernel/workqueue.c:2269 worker_thread+0x64c/0x1120 kernel/workqueue.c:2415 kthread+0x3b5/0x4a0 kernel/kthread.c:292 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294 Modules linked in: ---[ end trace b82f4cc98146655f ]--- RIP: 0010:rxrpc_destroy_all_connections.cold+0x11/0x13 net/rxrpc/conn_object.c:481 Code: c0 48 c7 c1 00 b0 14 89 48 89 f2 48 c7 c7 80 ac 14 89 e8 04 4d 0c fa 0f 0b e8 be 15 23 fa 48 c7 c7 80 af 14 89 e8 f1 4c 0c fa <0f> 0b 41 57 41 56 41 55 41 54 55 53 48 89 f3 48 83 ec 20 48 89 3c RSP: 0018:ffffc90000f57b18 EFLAGS: 00010282 RAX: 0000000000000017 RBX: ffff8880945a8000 RCX: 0000000000000000 RDX: ffff8880a85ca200 RSI: ffffffff815dbd97 RDI: fffff520001eaf55 RBP: ffff8880945a8064 R08: 0000000000000017 R09: ffff8880ae731927 R10: 0000000000000000 R11: 0000000034333254 R12: ffff8880945a8068 R13: ffff8880945a8078 R14: ffff8880945a8078 R15: ffff8880945a7eb8 FS: 0000000000000000(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fdbae89e000 CR3: 0000000093fd8000 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. For information about bisection process see: https://goo.gl/tpsmEJ#bisection syzbot can test patches for this issue, for details see: https://goo.gl/tpsmEJ#testing-patches