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Fix potential integer overflow in allocStr

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Tatsuya Kinoshita
2021-03-27 20:04:56 +09:00
parent 16b3875745
commit d0a30912c8
1 changed files with 2 additions and 0 deletions
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2
indep.c
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@@ -104,6 +104,8 @@ allocStr(const char *s, int len)
return NULL; return NULL;
if (len < 0) if (len < 0)
len = strlen(s); len = strlen(s);
if (len < 0 || len >= STR_SIZE_MAX)
len = STR_SIZE_MAX - 1;
ptr = NewAtom_N(char, len + 1); ptr = NewAtom_N(char, len + 1);
if (ptr == NULL) { if (ptr == NULL) {
fprintf(stderr, "fm: Can't allocate string. Give me more memory!\n"); fprintf(stderr, "fm: Can't allocate string. Give me more memory!\n");