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don't save objects in self

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they contain a reference to the context, so if we ever pickle that, then it'll cause a massive recursion loop and fail
This commit is contained in:
iMHLv2
2021-03-30 21:12:32 -05:00
parent f5e5fd0060
commit 3ebbddbd8d
1 changed files with 9 additions and 9 deletions
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volatility3/framework/layers/crash.py
+9 -9
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@@ -58,25 +58,25 @@ class WindowsCrashDump32Layer(segmented.SegmentedLayer):
self.check_header(hdr_layer, hdr_offset)
# Need to create a header object
self._header = self.context.object(self._crash_table_name + constants.BANG + self.dump_header_name,
offset = hdr_offset,
layer_name = self._base_layer)
header = self.get_header()
# Extract the DTB
self.dtb = int(self._header.DirectoryTableBase)
self.dtb = int(header.DirectoryTableBase)
self.dump_type = int(self._header.DumpType)
self.dump_type = int(header.DumpType)
# Verify that it is a supported format
if self._header.DumpType not in self.supported_dumptypes:
vollog.log(constants.LOGLEVEL_VVVV, "unsupported dump format 0x{:x}".format(self._header.DumpType))
raise WindowsCrashDumpFormatException(name, "unsupported dump format 0x{:x}".format(self._header.DumpType))
if header.DumpType not in self.supported_dumptypes:
vollog.log(constants.LOGLEVEL_VVVV, "unsupported dump format 0x{:x}".format(header.DumpType))
raise WindowsCrashDumpFormatException(name, "unsupported dump format 0x{:x}".format(header.DumpType))
# Then call the super, which will call load_segments (which needs the base_layer before it'll work)
super().__init__(context, config_path, name)
def get_header(self) -> interfaces.objects.ObjectInterface:
return self._header
return self.context.object(self._crash_table_name + constants.BANG + self.dump_header_name,
offset=0,
layer_name=self._base_layer)
def _load_segments(self) -> None:
"""Loads up the segments from the meta_layer."""