From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-oo1-f71.google.com (mail-oo1-f71.google.com [209.85.161.71]) (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 E402D3BED0E for ; Tue, 10 Mar 2026 16:42:39 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.161.71 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773160961; cv=none; b=isWkfE6d2D9Q11m/ON6O7O1hpMsL+bXkjwoyWIPa4O50CmfYBGxcMHP91+P3cSRFyGUFauqOd3n1clnSUu1ELkALomrnp/1HEy6mq2R43R9LPnBs1ytdv47ObMctSVqO2WTUPr0nukDARExA8+9Qc21tF9dZ4agJfHwVJd8VNKs= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773160961; c=relaxed/simple; bh=SE5PH91P56d8KN1Y6+cIDu0YO9BY3p38U50RLCgLur0=; h=MIME-Version:Date:Message-ID:Subject:From:To:Content-Type; b=YpHDi673ovLwqQOc7GD8G2//xJz+RL3WfyGm7BUUiqBpEercNApmLO7ckAjSPUKnRBoTIXcDw0b06u2L2Jqr+/C27EHwzB9hGzhWYjsPon4G3ULWfVJ/hqhEd4FtCjL1lSBk3nutRIUEcS27UI4DYTDFsDoMzeuk5xqKnI23WGk= 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=209.85.161.71 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-oo1-f71.google.com with SMTP id 006d021491bc7-67bc5678917so1312171eaf.2 for ; Tue, 10 Mar 2026 09:42:39 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1773160959; x=1773765759; h=to:from:subject:message-id:date:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=g2oj5NMrsNWq+EGfGnXKS83omS11PuBACAbJOz2mN3c=; b=Mv7q6eWwggYwwfTG7nUo6Lpi/uWpBaYmFUzQ/Kgo+0eyt2j3k7ofCH/p9MXFVQyP37 x+sJ15mhje3n8c8HwaoZqohEwGtnLT8Zf5pgoD7wek0NVz46Os62ix2IeeOwIrEyRqzi f1NDeS9I7HC/e6OP96lxobriqnJj+trBEQqlYAFq5Ys9amAMwH4eWr/DGLyl+zpN3at/ g/kIJHBg9w/Qlk3b4Bi9xtzlS4AOKlGD0jjpxehCiyfXW6EUhTQApC2LsktIeiPQkaYq jtrBvGlmnmcrYdsj9hTYTR+KRE0r1XLPhxrZj/KI097ify2encCRoslSiXvZYRfZ2YDw EPKQ== X-Gm-Message-State: AOJu0YxqMjoFCzU0rk5lHAx1KK9l6JZ92Dl6HvFEJYo+zz5IqZ2vV6ZB DqBn3dMLItDYDNww7PuD7aY0GR1gaWdECJxmqPH5iK0bowHivF+MbrAzL7w+ggRn6XcTm97QAhJ Yop7Feri9m5YGs4JfYaTum11zqbsTAFGJtge93I2SdGlFrX9a0cfhF4wZYBc= Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6820:4d0c:b0:662:fabc:b115 with SMTP id 006d021491bc7-67b9bc53f6dmr10210599eaf.3.1773160959024; Tue, 10 Mar 2026 09:42:39 -0700 (PDT) Date: Tue, 10 Mar 2026 09:42:39 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <69b049ff.a70a0220.be77.0118.GAE@google.com> Subject: [syzbot] BUG: workqueue function usb_giveback_urb_bh changed kcov_mode from ADDR to NUM From: syzbot To: linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Hello, syzbot found the following issue on: HEAD commit: 343f51842f4e Add linux-next specific files for 20260309 git tree: linux-next console output: https://syzkaller.appspot.com/x/log.txt?x=13378d52580000 kernel config: https://syzkaller.appspot.com/x/.config?x=9c879cdb484d8d77 dashboard link: https://syzkaller.appspot.com/bug?extid=30c7fba804af8a99039e compiler: Debian clang version 21.1.8 (++20251221033036+2078da43e25a-1~exp1~20251221153213.50), Debian LLD 21.1.8 Unfortunately, I don't have any reproducer for this issue yet. Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/b7aa06014b89/disk-343f5184.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/7f0db0d3a249/vmlinux-343f5184.xz kernel image: https://storage.googleapis.com/syzbot-assets/fab52994a344/bzImage-343f5184.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+30c7fba804af8a99039e@syzkaller.appspotmail.com BUG: workqueue function usb_giveback_urb_bh changed kcov_mode from 1073741824 to 0 BUG: workqueue function usb_giveback_urb_bh changed kcov_mode from 1073741824 to 0 --- 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