From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-io1-f69.google.com (mail-io1-f69.google.com [209.85.166.69]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 987647E789 for ; Thu, 28 Mar 2024 11:00:32 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.69 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711623634; cv=none; b=rYFMlwgP40heOAwJ4eLDtzKzI/EF2NmL88Jxmb+t3C+gID48K33++94tEsJD4l2wTLlJpdkm1qKq8C0wzwk71riuZ41FHuAe6IdiuHhemmIZ7gtUTyTR2wDlbjVVqt6TDhW1k4fR1c9GTQXcl3jcZuQlcLnjqqUCaj9Ozpf3PCE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711623634; c=relaxed/simple; bh=6GfWPzo6l340DFtgiPm5TV5H/KlnykZiWrKpTZhUk7U=; h=MIME-Version:Date:Message-ID:Subject:From:To:Content-Type; b=ZLuX2qJ1g6KsUcxOIsi4UoZIiXduswCsfftNdRVHq1p6qiy033H9fYZJqXqkYCi30w/hBZY7N4IsWUko/lyqu3MD9nT8FPhn6ScpyVwGBPpa3T2ahtnDXH1c8I3kfbs2fL7HqClAY38bZFSxU7w8rwZlMb3dbzy1WLqMCV5k448= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com; arc=none smtp.client-ip=209.85.166.69 Authentication-Results: smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com Received: by mail-io1-f69.google.com with SMTP id ca18e2360f4ac-7cc01445f6bso80784939f.3 for ; Thu, 28 Mar 2024 04:00:32 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1711623632; x=1712228432; h=to:from:subject:message-id:date:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=i2I+QMisqSNoVgUodtBJSFknn06IcL/Yj0qUYMvpcWQ=; b=H+ULm6M/nSA4I5wFAtjE0fDqiSTwDDAaf9WXkOVBuy4bWlwm6AWP8NzZvRLH0Zf693 KD1Lgr1lUTkWBZyq4g7wi4u7AIo/2BpK8w0Oupa0hEIyd7UkjGJexv4ihblLlvR807Ps LEx2xR4QXengzCO8oioh3cdq5UMbtwe22gi8KSjv39xmXHGATnItoG0rt8PjoVvkvI8z 7f/fXfq374sKGSgGYF9uvtJRK3gjiPsJGWHiqhVmqc9bm7ybq3sTqESfBkeZPPCZ+Fup Ynr+xmAiqj+l6ShQ4HRkmrt4/LF9G866RM9pSXvsZnk2CXkRBgqjnF2gsB6PZSLAshAA Oxvg== X-Forwarded-Encrypted: i=1; AJvYcCVV1vUl+sbM6h1V4hje/16uwzUfC+HSsy7ri937yiH7JJ3fjnTddwT6WQ26gYA7s/LGvYGPkl9J82dwWPK0vQJBXUHjQC9f X-Gm-Message-State: AOJu0YyLiXBCCrjUuyvqdHypiSnlbU0qa6mstlIGjbMY0hqjljCCiiuM w2Nne6Y0vMRccOPWupgy87otlaqfoaMYbwzjdHL9fR28++ct5WbIzBfN6a7NkcD0dxy/SA9arpx rxxDV5ARlQv7MRY1nZN2Cn6JEtAUWWKH2pQhhcvK42xlWxYYYkO67+Yw= X-Google-Smtp-Source: AGHT+IEDNj+ZPIyEQSPC/J1VTlpSuN4jBtj9FlHnK3MSE6N1Q2F+RRj18TBNhbBnE++ZH+ODIvHer+ZF169eLMvn84FTTXsFIFOw Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6602:640f:b0:7cc:2522:f5fd with SMTP id gn15-20020a056602640f00b007cc2522f5fdmr103845iob.1.1711623630417; Thu, 28 Mar 2024 04:00:30 -0700 (PDT) Date: Thu, 28 Mar 2024 04:00:30 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000007b02500614b66e31@google.com> Subject: [syzbot] [wireless?] WARNING in kcov_remote_start (3) From: syzbot To: davem@davemloft.net, edumazet@google.com, johannes@sipsolutions.net, kuba@kernel.org, linux-kernel@vger.kernel.org, linux-wireless@vger.kernel.org, netdev@vger.kernel.org, pabeni@redhat.com, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Hello, syzbot found the following issue on: HEAD commit: a6bd6c933339 Add linux-next specific files for 20240328 git tree: linux-next console output: https://syzkaller.appspot.com/x/log.txt?x=15c85eb1180000 kernel config: https://syzkaller.appspot.com/x/.config?x=b0058bda1436e073 dashboard link: https://syzkaller.appspot.com/bug?extid=0438378d6f157baae1a2 compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 Unfortunately, I don't have any reproducer for this issue yet. Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/7c1618ff7d25/disk-a6bd6c93.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/875519f620fe/vmlinux-a6bd6c93.xz kernel image: https://storage.googleapis.com/syzbot-assets/ad92b057fb96/bzImage-a6bd6c93.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+0438378d6f157baae1a2@syzkaller.appspotmail.com ------------[ cut here ]------------ WARNING: CPU: 1 PID: 2400 at kernel/kcov.c:860 kcov_remote_start+0x549/0x7e0 kernel/kcov.c:860 Modules linked in: CPU: 1 PID: 2400 Comm: kworker/u8:7 Not tainted 6.9.0-rc1-next-20240328-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 Workqueue: events_unbound cfg80211_wiphy_work RIP: 0010:kcov_remote_start+0x549/0x7e0 kernel/kcov.c:860 Code: 4c 89 ff be 03 00 00 00 e8 14 99 16 03 e9 fd fa ff ff e8 8a 26 ea 09 41 f7 c6 00 02 00 00 0f 84 eb fa ff ff e9 7f fc ff ff 90 <0f> 0b 90 e8 8f 43 ea 09 89 c0 48 c7 c7 c8 d4 02 00 48 03 3c c5 d0 RSP: 0018:ffffc90009b17aa8 EFLAGS: 00010002 RAX: 0000000080000000 RBX: ffff888029649e00 RCX: 0000000000000002 RDX: dffffc0000000000 RSI: ffffffff8bcae740 RDI: ffffffff8c1f77c0 RBP: 0000000000000000 R08: ffffffff92f3358f R09: 1ffffffff25e66b1 R10: dffffc0000000000 R11: fffffbfff25e66b2 R12: ffffffff8195747e R13: ffff88807c8cd748 R14: 0000000000000246 R15: ffff8880b952d4c8 FS: 0000000000000000(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fc66d258d58 CR3: 00000000222ca000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: kcov_remote_start_common include/linux/kcov.h:48 [inline] ieee80211_iface_work+0x21f/0xf10 net/mac80211/iface.c:1654 cfg80211_wiphy_work+0x221/0x260 net/wireless/core.c:437 process_one_work kernel/workqueue.c:3218 [inline] process_scheduled_works+0xa2c/0x1830 kernel/workqueue.c:3299 worker_thread+0x86d/0xd70 kernel/workqueue.c:3380 kthread+0x2f0/0x390 kernel/kthread.c:388 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:243 --- 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. If the report is already addressed, let syzbot know by replying with: #syz fix: exact-commit-title If you want to overwrite report's subsystems, reply with: #syz set subsystems: new-subsystem (See the list of subsystem names on the web dashboard) If the report is a duplicate of another one, reply with: #syz dup: exact-subject-of-another-report If you want to undo deduplication, reply with: #syz undup