Fixes #1760

lib/core/common.py

@@ -128,6 +128,7 @@ from lib.core.settings import PARTIAL_VALUE_MARKER
 from lib.core.settings import PAYLOAD_DELIMITER
 from lib.core.settings import PLATFORM
 from lib.core.settings import PRINTABLE_CHAR_REGEX
+from lib.core.settings import PUSH_VALUE_EXCEPTION_RETRY_COUNT
 from lib.core.settings import PYVERSION
 from lib.core.settings import REFERER_ALIASES
 from lib.core.settings import REFLECTED_BORDER_REGEX
@@ -2183,7 +2184,22 @@ def pushValue(value):
     Push value to the stack (thread dependent)
     """
 
-    getCurrentThreadData().valueStack.append(copy.deepcopy(value))
+    _ = None
+    success = False
+
+    for i in xrange(PUSH_VALUE_EXCEPTION_RETRY_COUNT):
+        try:
+            getCurrentThreadData().valueStack.append(copy.deepcopy(value))
+            success = True
+            break
+        except Exception, ex:
+            _ = ex
+
+    if not success:
+        getCurrentThreadData().valueStack.append(None)
+
+        if _:
+            raise _
 
 def popValue():
     """

lib/core/settings.py

@@ -20,7 +20,7 @@ from lib.core.enums import OS
 from lib.core.revision import getRevisionNumber
 
 # sqlmap version and site
-VERSION = "1.0.0.21"
+VERSION = "1.0.0.22"
 REVISION = getRevisionNumber()
 STABLE = VERSION.count('.') <= 2
 VERSION_STRING = "sqlmap/%s#%s" % (VERSION, "stable" if STABLE else "dev")
@@ -139,6 +139,9 @@ MAX_BUFFERED_PARTIAL_UNION_LENGTH = 1024
 # Suffix used for naming meta databases in DBMS(es) without explicit database name
 METADB_SUFFIX = "_masterdb"
 
+# Number of times to retry the pushValue during the exceptions (e.g. KeyboardInterrupt)
+PUSH_VALUE_EXCEPTION_RETRY_COUNT = 3
+
 # Minimum time response set needed for time-comparison based on standard deviation
 MIN_TIME_RESPONSES = 30