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gh-120155: Fix Coverity issue in parse_string() (#120997)

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Victor Stinner 2024-06-25 18:53:24 +02:00 committed by GitHub
parent 2d3187bf20
commit 769aea3329
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1 changed files with 5 additions and 0 deletions
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Parser/string_parser.c
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@ -229,9 +229,14 @@ _PyPegen_parse_string(Parser *p, Token *t)
PyErr_BadInternalCall(); PyErr_BadInternalCall();
return NULL; return NULL;
} }
/* Skip the leading quote char. */ /* Skip the leading quote char. */
s++; s++;
len = strlen(s); len = strlen(s);
// gh-120155: 's' contains at least the trailing quote,
// so the code '--len' below is safe.
assert(len >= 1);
if (len > INT_MAX) { if (len > INT_MAX) {
PyErr_SetString(PyExc_OverflowError, "string to parse is too long"); PyErr_SetString(PyExc_OverflowError, "string to parse is too long");
return NULL; return NULL;