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Code Block
bgColor#ccccff
void f1 (size_t nchars, size_t val) {

char *p = (char *)malloc(nchars);
const size_t n = val;

if (nchars - n < 0) {

     /* Handle Error */

}

else {

	memset(p, 0, n);

}

/* More program code */


}

Risk Assessment

Depending on the library function called, the attacker may be able to use a heap overflow vulnerability to run arbitrary code. The detection of checks specified in description can be automated but the remediation has to be manual.

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