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 5CBE4C433E9 for ; Thu, 28 Jan 2021 17:07:12 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 17B5964DE5 for ; Thu, 28 Jan 2021 17:07:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232836AbhA1RG7 (ORCPT ); Thu, 28 Jan 2021 12:06:59 -0500 Received: from mail-il1-f197.google.com ([209.85.166.197]:55529 "EHLO mail-il1-f197.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232798AbhA1RAG (ORCPT ); Thu, 28 Jan 2021 12:00:06 -0500 Received: by mail-il1-f197.google.com with SMTP id m1so5227180ilj.22 for ; Thu, 28 Jan 2021 08:59:51 -0800 (PST) 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=KCxuXpW8R77Zz40AefQtdqEAsY8KYOrUeobt3QS3Auk=; b=SklMEdk0/WTbe9qyrYvFy5K9JSwkvFOwbO2QWz5OUisTsferjdE4ekRSpNz1irDGRS hJ6+hQO5/elwxAARmNcm1gf4KtAHg1s6VEKk45vE/6ws5AYDYUowH0kJAyLhyMRjdpzq 05Q9KIdecyCbhq1BXFSM8P7MvN5B/I2UijJQXsC+UYGjTCKWpsPhppNy/cL5yPbS/kEw 0JPsOmdYtID0VrV9s7HLHKEupqPm3skZHg6Dk2j71Y4xc1nNQ6oC80RwiP1ERnFTAfBv +P4dbKdKW+Ra4NNALWzPxw6VJ8ghcIcpQKWJkb6j21IIkbKuh1OOQVbmwt3MlINAKdaV 5SKQ== X-Gm-Message-State: AOAM530AQNmz+xT9nh22/brNXXv8awTGcs2Z2vt94Vp6M4P4kp4IMb6F PqGNdmm5RrZCCm56LGOs8ZACVvyXuUu5hDpxqdCvisa9Ju58 X-Google-Smtp-Source: ABdhPJwPuJGFwW9q1TkEHg3vEnYlx77j4KXqhorm7ZVBjw4xHGo7ShMw65AELWp+9Op3iTJCGE29h444p6NSycZCgnWbQiUCBL2A MIME-Version: 1.0 X-Received: by 2002:a05:6638:164c:: with SMTP id a12mr180854jat.128.1611853166198; Thu, 28 Jan 2021 08:59:26 -0800 (PST) Date: Thu, 28 Jan 2021 08:59:26 -0800 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <00000000000066c54105b9f8cf2b@google.com> Subject: WARNING in cfg80211_change_iface From: syzbot To: davem@davemloft.net, johannes@sipsolutions.net, kuba@kernel.org, linux-kernel@vger.kernel.org, linux-wireless@vger.kernel.org, netdev@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org Hello, syzbot found the following issue on: HEAD commit: d1f3bdd4 net: dsa: rtl8366rb: standardize init jam tables git tree: net-next console output: https://syzkaller.appspot.com/x/log.txt?x=14977d10d00000 kernel config: https://syzkaller.appspot.com/x/.config?x=b5f48fca2e44a9a2 dashboard link: https://syzkaller.appspot.com/bug?extid=d2d412349f88521938aa compiler: gcc (GCC) 10.1.0-syz 20200507 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+d2d412349f88521938aa@syzkaller.appspotmail.com ------------[ cut here ]------------ WARNING: CPU: 1 PID: 28772 at net/wireless/util.c:1013 cfg80211_change_iface+0xa10/0xf30 net/wireless/util.c:1013 Modules linked in: CPU: 1 PID: 28772 Comm: syz-executor.2 Not tainted 5.11.0-rc4-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:cfg80211_change_iface+0xa10/0xf30 net/wireless/util.c:1013 Code: 8d bd e8 05 00 00 be ff ff ff ff e8 2a b4 c5 00 31 ff 41 89 c6 89 c6 e8 2e 72 3d f9 45 85 f6 0f 85 b4 f6 ff ff e8 a0 6a 3d f9 <0f> 0b e9 a8 f6 ff ff e8 94 6a 3d f9 65 ff 05 7d 8e cc 77 48 c7 c0 RSP: 0018:ffffc9000116fbb8 EFLAGS: 00010216 RAX: 0000000000008319 RBX: ffff888017128000 RCX: ffffc9000d850000 RDX: 0000000000040000 RSI: ffffffff88356130 RDI: 0000000000000003 RBP: ffff888054c40000 R08: 0000000000000000 R09: ffffc9000116fc30 R10: ffffffff88356122 R11: 0000000000000001 R12: 0000000000000001 R13: 0000000000000003 R14: 0000000000000000 R15: 0000000000000000 FS: 00007fa7b69e0700(0000) GS:ffff8880b9f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000000050d1b0 CR3: 0000000063569000 CR4: 00000000001506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: cfg80211_wext_siwmode net/wireless/wext-compat.c:64 [inline] __cfg80211_wext_siwmode+0x1bb/0x200 net/wireless/wext-compat.c:1559 ioctl_standard_call+0xcd/0x1f0 net/wireless/wext-core.c:1016 wireless_process_ioctl+0xc8/0x4c0 net/wireless/wext-core.c:954 wext_ioctl_dispatch net/wireless/wext-core.c:987 [inline] wext_ioctl_dispatch net/wireless/wext-core.c:975 [inline] wext_handle_ioctl+0x26b/0x280 net/wireless/wext-core.c:1048 sock_ioctl+0x410/0x6a0 net/socket.c:1109 vfs_ioctl fs/ioctl.c:48 [inline] __do_sys_ioctl fs/ioctl.c:753 [inline] __se_sys_ioctl fs/ioctl.c:739 [inline] __x64_sys_ioctl+0x193/0x200 fs/ioctl.c:739 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x45e219 Code: 0d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 db b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007fa7b69dfc68 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045e219 RDX: 0000000020000040 RSI: 0000000000008b06 RDI: 0000000000000003 RBP: 000000000119bfc0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000119bf8c R13: 00007fff91257a9f R14: 00007fa7b69e09c0 R15: 000000000119bf8c --- 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.