Docker/Linux: Fix outputForRunInShell

... in case there is embedded NUL in the output.

Change-Id: Ic899bcf8d01cceed4ea6e16d4991fb80b7ac70ca
Reviewed-by: Christian Stenger <christian.stenger@qt.io>
Reviewed-by: Jarek Kobus <jaroslaw.kobus@qt.io>
Reviewed-by: <github-actions-qt-creator@cristianadam.eu>

src/libs/utils/mimetypes/mimedatabase.cpp

@@ -738,6 +738,8 @@ MimeType Utils::mimeTypeForFile(const QFileInfo &fileInfo, MimeMatchMode mode)
 MimeType Utils::mimeTypeForFile(const FilePath &filePath, MimeMatchMode mode)
 {
     MimeDatabase mdb;
+    if (filePath.needsDevice())
+        return mdb.mimeTypeForUrl(filePath.toUrl());
     return mdb.mimeTypeForFile(filePath.toString(), MimeDatabase::MatchMode(mode));
 }
 

src/plugins/docker/dockerdevice.cpp

@@ -1733,7 +1733,7 @@ QString DockerDevicePrivate::outputForRunInShell(const CommandLine &cmd) const
     LOG("Run command in shell:" << cmd.toUserOutput() << "output size:" << output.size());
     if (QTC_GUARD(output.endsWith(markerWithNewLine)))
         output.chop(markerWithNewLine.size());
-    return QString::fromUtf8(output);
+    return QString::fromUtf8(output, output.size());
 }
 
 // Factory

src/plugins/remotelinux/linuxdevice.cpp

@@ -270,7 +270,7 @@ public:
         if (pos >= 0)
             output = output.left(pos);
         DEBUG("CHOPPED2 " << output);
-        return QString::fromUtf8(output);
+        return QString::fromUtf8(output, output.size());
     }
 
     bool isRunning() const { return m_shell; }