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codeql/cpp/ql/src/Critical/OverflowDestination.cpp at codeql-cli/latest · github/codeql · GitHub
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ql
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OverflowDestination.cpp
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codeql
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ql
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src
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Critical
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OverflowDestination.cpp
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int
main
(
int
argc,
char
* argv[]) {
char
param[
20
];
char
*arg1;
arg1 = argv[
1
];
//
wrong: only uses the size of the source (argv[1]) when using strncpy
strncpy
(param, arg1,
strlen
(arg1));
//
correct: uses the size of the destination array as well
strncpy
(param, arg1,
min
(
strlen
(arg1),
sizeof
(param) -
1
));
}
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