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Warns of memory argument overlaps to various functions


memstomp - detect function calls with overlapping memory regions


memstomp [-dk] application [argument...]
memstomp -h


The memstomp utility identifies function calls that use overlapping memory regions in situations when such an overlap is not allowed by various standards. When a problem is detected, memstomp displays a backtrace to help you debug the problem, and if executed with the --debug-info command line option, it even uses the available debugging information. Since the backtrace code is not thread safe, memstomp also allows you to use the --kill option to immediately terminate the analyzed program when an invalid function call is detected.
This version of memstomp inspects the following function calls: memcpy(), memccpy(), mempcpy(), strcpy(), stpcpy(), strncpy(), stpncpy(), strcat(), strncat(), wmemcpy(), wmempcpy(), wcscpy(), wcsncpy(), wcscat(), and wcsncat().


-d, --debug-info
Make use of debugging information to produce more detailed stack traces.
-k, --kill
Kill the analyzed application when a problem is detected.
-h, --help
Display usage information and exit.
-q, --quiet
Be less verbose


Lennart Poettering <>
William Cohen <>
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