From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-il1-f197.google.com (mail-il1-f197.google.com [209.85.166.197]) (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 56903191F80 for ; Mon, 12 Aug 2024 20:21:04 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.197 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1723494065; cv=none; b=kbOPKa7QlqOgZUo7dFNqQJU+1P+UZK0A044xsvdSQubpxABM6xc8Xu40/67LhgNHlA71FNkbobHiXBiPzqPWooX40rBzTZ3X3J1QasWoZJ9/so5nbi9yywZzbrOSFpa5mKhw+AO14HOhtb0e90JE89Gk5EYRHnAMvUcfW7F0IaA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1723494065; c=relaxed/simple; bh=UbmbfC7e36OTI4cYk1OKjlF5GdQ5iHnM5dvLpU9Frbk=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=nEmfUNMJnTOzkAEXzEixzNNDMIlR3QOo/h5A8ebl3qQDKnz9GY1ebd9o0bOTPTZVDohzOKVREmMAK++WoQybfDhQvL/G05kP5EaylMapChg91zc32r8eeRTedD5H39KdiKix19thntnn7WPKEr3YB0hJzxBaC5xiJKQLH8TrQ9g= 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=209.85.166.197 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-il1-f197.google.com with SMTP id e9e14a558f8ab-397e0efded3so71827235ab.2 for ; Mon, 12 Aug 2024 13:21:04 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1723494063; x=1724098863; h=to:from:subject:message-id:in-reply-to:date:mime-version :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=jhX0NUR56YcJKqQmUDiMRdL3O8rX3/tbBH1Xo/h81SQ=; b=iQcif0dBf2Lbgrchd4pns2pETHeqC5jPuORYVjL+4M/7zpYx5I72R+/O+dLbJ4o3Cm +hE9M0ntAr/jY9IbqWpFtnx4fP50QQ86+ml2AeLhx6zuaKyew/SW3URtMNYcbSlO1TGH 8qxGUP1Xlr1YlWQ0OxXrpZbx5VNVWymi12qsCvMd6b9M+mmIFSIX+57ZbRUN1kqUl2M0 UtmeUoFX/BaGN4P8cU7KSy26Cx1/pht8j8f+i8THh5C8Q+KtTarm6amlaFH75FMBRIDu tmwwtvcc9w9zewjcXBbKmapFRH5vIXgp1k2RKHKVguYul2Rt2Sj8aL46o1O3G7j+d8IG ncrg== X-Gm-Message-State: AOJu0Yyyap2CtpbfqD/Ggnoif6UDOO9NpzUd57jtbKPaph1VEB5spLXS nJUg3Mr88Gq7WiZESQmPv5N6qggA1pPVnnIJ4Lb6GK3g9usS3BM8gOfk5vmzhFeFmvGO1VBtzhP bCd2oZg8oBj1+m2l+eudUFjDuZCguqrHq/ltBILUuc8VeLRxHKlbwp7M= X-Google-Smtp-Source: AGHT+IGz/rVqYloft7OZjYCuAu6ZH0jb/UqSoy886Zzdm/kmpYqyHDxUGSLbEoXJsD/qttMmEKtQqKm69F9jNGLchci0r1P+TWxt Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:2183:b0:39a:e91e:38e0 with SMTP id e9e14a558f8ab-39c479311b3mr830265ab.6.1723494063083; Mon, 12 Aug 2024 13:21:03 -0700 (PDT) Date: Mon, 12 Aug 2024 13:21:03 -0700 In-Reply-To: X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000006728af061f823b83@google.com> Subject: Re: [syzbot] [usb?] possible deadlock in __flush_workqueue (2) From: syzbot To: linux-kernel@vger.kernel.org, snovitoll@gmail.com, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Hello, syzbot has tested the proposed patch and the reproducer did not trigger any issue: Reported-by: syzbot+e528c9aad0fb5383ec83@syzkaller.appspotmail.com Tested-by: syzbot+e528c9aad0fb5383ec83@syzkaller.appspotmail.com Tested on: commit: 4c278153 drivers/xillybus: fix deadlock upon cleanup_dev git tree: https://linux.googlesource.com/linux/kernel/git/torvalds/linux refs/changes/82/25482/1 console output: https://syzkaller.appspot.com/x/log.txt?x=16dee405980000 kernel config: https://syzkaller.appspot.com/x/.config?x=801d05d1ea4be1b8 dashboard link: https://syzkaller.appspot.com/bug?extid=e528c9aad0fb5383ec83 compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 Note: no patches were applied. Note: testing is done by a robot and is best-effort only.