From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-il1-f199.google.com (mail-il1-f199.google.com [209.85.166.199]) (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 1A06346BF for ; Sat, 2 Aug 2025 17:55:38 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.199 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1754157340; cv=none; b=QzOMVYLgzcHXyt5FjpGsRK5Hawijrq99xDf+5dU6b9ili24L8cZn7FMjQfwhUin3SDdLJ3s8G+dNov9M2LhsmJdy6elshkRpQNQL4xzG3s8nTOChShUH83QskTmnZs63stO+EFrEDTBRbMnhnw8NVWf0Fg2zcKovoqyhsvTvWZE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1754157340; c=relaxed/simple; bh=xTyEiwkoefl7JQ7tTqXa4AMF+DHkXuNN3XdWqCRg+Pg=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=MfPYeQ2/CoPxf4FCUGtYklEEsytLbP6sX3WZASTeNtQ99hAsUab5eJxgPfyK9Gv4TISHodo2EiI+DkOq7yPTSkSGVeYqQk/xmWMOi8VrA05OdzAGYwQFuhqi36zES6zyUQvnnGdCCPh6MOhNauog88MqWxjSd5uOzT21UJ5WOHI= 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=209.85.166.199 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-f199.google.com with SMTP id e9e14a558f8ab-3e410d877e8so16492095ab.1 for ; Sat, 02 Aug 2025 10:55:38 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1754157338; x=1754762138; 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=xTyEiwkoefl7JQ7tTqXa4AMF+DHkXuNN3XdWqCRg+Pg=; b=dYOzKUZJFxLExgIg2NECcd6pCEVOQ9YuW4FJ5nxkRs/LMlIhrQ0feOKnHxObTAilnI AQnvn9zHSI9Ube7sMcTZr0sf/VseAb2HBXxG0BaJ0LpnKvDvipVMeDKQGnjBh8cLf/g9 bN2QLQIwcWUutedEXhC8cKSm82q6UGTZFKm5SuaYuqCSC2Ihj1m73M6L5ZwBjJCVJZTX mUHiZMjY78A8/tBXMEbg+D2FsEZ8vbGNu/11+ulPJ4gXHpHyshddjdaWHQGcoKkCPIO+ HaxLKdYSPZ7eQ2fxDpomZ0WFSd5KoMqcfAZhwuPzzNhNHf3sCnuvinr9Uv4QvYpIOmlA curg== X-Gm-Message-State: AOJu0YzIIgQIZ9c9ShTqOmdIThvJ36C5WBBWQM0etDxpGTsL+Bj2VDAQ X/c4daYX3M+NhJI/PYGAk91CffX2XPH+33e3zouLk0acWZj7hQ2t+m6HL2GOep+ke9xIBlhM+hY 214XQLfAzSuYCFzLa8ap86RakBnxZ6sagx81Bcvofs/Kdjjd7tpRMKehNaHQ= X-Google-Smtp-Source: AGHT+IF/nrvuiRRWNbvMCR3ZSjPJhf3+nb9HamUeJUjFKvkFxkemH83dxgS2KXNvptGQVlGANunusNwI+i+GIWQA0pnZPXkqfNVZ Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:338b:b0:3e3:e633:ce03 with SMTP id e9e14a558f8ab-3e40595d6a7mr170495565ab.9.1754157338256; Sat, 02 Aug 2025 10:55:38 -0700 (PDT) Date: Sat, 02 Aug 2025 10:55:38 -0700 In-Reply-To: <6834671a.a70a0220.253bc2.0098.GAE@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <688e511a.a70a0220.249f57.0006.GAE@google.com> Subject: Forwarded: Fix unsafe locking scenario in del_gendisk From: syzbot To: linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" For archival purposes, forwarding an incoming command email to linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com. *** Subject: Fix unsafe locking scenario in del_gendisk Author: ujwal.kundur@gmail.com #syz test