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Delphi: A few notes on tracking down a use-after free related issue involving interfaces crashing inside System._IntfClear.

The Wiert Corner – A few notes on tracking down a use-after free related issue involving interfaces. The crash message is like this: Project UseAfterFreeWithInterface.exe raised exception class $C0000005 with message 'access violation at 0x004106c0: read of address 0x80808088'. Two things here: the is the hexadecimal value of┬áSTATUS_ACCESS_VIOLATION, which is sort of mentioned in [WayBack] Delphi 2009: EExternalException Class, but not documented in any more recent Delphi versions. It is in the code for the units System, System.SysUtils and Winapi.Windows (see below). The value is not well documented on the ...
Favorite? Off-Topic? jpluimers @ 2020-01-20 06:04

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