[Pkg-ime-devel] Bug#748213: Function declaration without parameter type list shadows risk of stack underflow

Michael Tautschnig mt at debian.org
Thu May 15 10:48:16 UTC 2014

Package: fcitx
Version: 1:
Severity: wishlist
Usertags: goto-cc

During an analysis of all packages using our research compiler tool-chain (using
tools from the cbmc package) the following error was found:

The declaration of UnsetXErrorHandler in xerrorhandler.h


shadows the fact that UnsetXErrorHandler actually requires an argument:


As this argument, however, is unused the (single) call to UnsetXErrorHandler
might execute correctly at present. To avoid the risk of undefined behaviour,
the definition should be fixed (by removing the parameter).


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