Changeset 52680 in vbox

Timestamp:

Sep 10, 2014 3:24:02 PM (11 years ago)

Author:

vboxsync

svn:sync-xref-src-repo-rev:

96006

Message:

SUP: Put a hard size limit on the startup log.

File:

• trunk/src/VBox/HostDrivers/Support/SUPR3HardenedMain.cpp (modified) (3 diffs)

trunk/src/VBox/HostDrivers/Support/SUPR3HardenedMain.cpp

@@ -154 +154 @@
 static int              g_hStartupLog = -1;
 #endif
+/** The number of bytes we've written to the startup log. */
+static uint32_t volatile g_cbStartupLog = 0;
 
 /** The current SUPR3HardenedMain state / location. */
@@ -994 +996 @@
 {
 #ifdef RT_OS_WINDOWS
-    if (g_hStartupLog)
+    if (   g_hStartupLog != NULL
+        && g_cbStartupLog < 128*_1M)
     {
         char szBuf[5120];
@@ -1006 +1009 @@
         if (!cch || szBuf[cch - 1] != '\n')
             szBuf[cch++] = '\n';
+
+        ASMAtomicAddU32(&g_cbStartupLog, (uint32_t)cch);
 
         IO_STATUS_BLOCK Ios = RTNT_IO_STATUS_BLOCK_INITIALIZER;