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=-8.7 required=3.0 tests=BAYES_00,FROM_LOCAL_HEX, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=unavailable 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 ACEE8C433E7 for ; Thu, 8 Oct 2020 07:40:27 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 5F6AF21897 for ; Thu, 8 Oct 2020 07:40:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727376AbgJHHk0 (ORCPT ); Thu, 8 Oct 2020 03:40:26 -0400 Received: from mail-io1-f80.google.com ([209.85.166.80]:48712 "EHLO mail-io1-f80.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727820AbgJHHkU (ORCPT ); Thu, 8 Oct 2020 03:40:20 -0400 Received: by mail-io1-f80.google.com with SMTP id u3so3158327iow.15 for ; Thu, 08 Oct 2020 00:40:18 -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=sY2IwiMHaNHjrlHF4HKmprZAKOkbqITB/BHAQtltvXw=; b=G5uoQ7isRNkVFCZ2EnJLjjyR/gMoRlUTAKJt14pToh/5xul80agAkoY4L7INe9dany AHgcZVGGgXyHmmUBMkdonY0Q8XgdMC4rXCWtgB+JKCbynOinzJ2mJaHoiv30T7iYp4sm xLEn9otdH6Kmyy5WswyuU7qOYTBrqBxgrmXGe/xwoKBIonM0eBeMh8BzpJjPhDgL1n0O OXCl/mvUKy84IZrtz0+l0dUbrDWZw/SNS/B/2uip46yl8goPXVkv9X94uwy5vS4yWs49 veG5FmU9xbIhWltkfPzFPx9NCVnovLSgtSWwsqIMNNyyggiijBBXOdpzGnvoq0DSUUvT V73g== X-Gm-Message-State: AOAM532OVwixmgjiNQtOE67at45Zh333pxBO3TKLOH0EsdIgBUiI1r66 luE2fm9rE/UNHAKtLyZY+VDX4jPQQ1RF4mkZP5e052BR34iO X-Google-Smtp-Source: ABdhPJwu338smk3gnI3WmrD/qM6p1msBcGtR1Ta0xpsNG36bwiBcJaaXiNnNP6YdutsZLGdAJD1QSK7cyG98n9+UUaew2TcaV5Gs MIME-Version: 1.0 X-Received: by 2002:a6b:b5c2:: with SMTP id e185mr4988645iof.106.1602142818040; Thu, 08 Oct 2020 00:40:18 -0700 (PDT) Date: Thu, 08 Oct 2020 00:40:18 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000008c848805b123f174@google.com> Subject: WARNING in ieee80211_ibss_csa_beacon 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: c85fb28b Merge tag 'arm64-fixes' of git://git.kernel.org/p.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=15b2b400500000 kernel config: https://syzkaller.appspot.com/x/.config?x=de7f697da23057c7 dashboard link: https://syzkaller.appspot.com/bug?extid=b6c9fe29aefe68e4ad34 compiler: clang version 10.0.0 (https://github.com/llvm/llvm-project/ c2443155a0fb245c8f17f2c1c72b6ea391e86e81) 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+b6c9fe29aefe68e4ad34@syzkaller.appspotmail.com WARNING: CPU: 1 PID: 11321 at net/mac80211/ibss.c:504 ieee80211_ibss_csa_beacon+0x4e9/0x5a0 net/mac80211/ibss.c:504 Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 11321 Comm: kworker/u4:0 Not tainted 5.9.0-rc8-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: phy10 ieee80211_csa_finalize_work Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1d6/0x29e lib/dump_stack.c:118 panic+0x2c0/0x800 kernel/panic.c:231 __warn+0x227/0x250 kernel/panic.c:600 report_bug+0x1b1/0x2e0 lib/bug.c:198 handle_bug+0x42/0x80 arch/x86/kernel/traps.c:234 exc_invalid_op+0x16/0x40 arch/x86/kernel/traps.c:254 asm_exc_invalid_op+0x12/0x20 arch/x86/include/asm/idtentry.h:536 RIP: 0010:ieee80211_ibss_csa_beacon+0x4e9/0x5a0 net/mac80211/ibss.c:504 Code: e8 fc 29 8b f9 b8 f4 ff ff ff eb 0a e8 f0 29 8b f9 b8 00 01 00 00 48 83 c4 30 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 d7 29 8b f9 <0f> 0b b8 ea ff ff ff eb e3 e8 c9 29 8b f9 0f 0b e9 88 fb ff ff 48 RSP: 0018:ffffc9000ab5fbf8 EFLAGS: 00010293 RAX: ffffffff87e9d419 RBX: ffff88804cc20580 RCX: ffff888016268280 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffff88804cc23490 R08: dffffc0000000000 R09: fffffbfff16c82b4 R10: fffffbfff16c82b4 R11: 0000000000000000 R12: ffff8880a21a18c0 R13: ffff8880a21a18ba R14: ffff8880a21a0c00 R15: ffff8880a21a18e0 ieee80211_set_after_csa_beacon net/mac80211/cfg.c:3043 [inline] __ieee80211_csa_finalize net/mac80211/cfg.c:3099 [inline] ieee80211_csa_finalize+0x46f/0x960 net/mac80211/cfg.c:3122 ieee80211_csa_finalize_work+0xfb/0x140 net/mac80211/cfg.c:3147 process_one_work+0x789/0xfc0 kernel/workqueue.c:2269 worker_thread+0xaa4/0x1460 kernel/workqueue.c:2415 kthread+0x37e/0x3a0 drivers/block/aoe/aoecmd.c:1234 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294 Kernel Offset: disabled Rebooting in 86400 seconds.. --- 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.