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| author | Guido van Rossum <guido@python.org> | 1995-01-20 16:59:12 (GMT) |
|---|---|---|
| committer | Guido van Rossum <guido@python.org> | 1995-01-20 16:59:12 (GMT) |
| commit | ec4982761bb75e96f2d6ee37e588a52d05e228c4 (patch) | |
| tree | fd51013420a5de32dbf907bb54c1de3caa682592 | |
| parent | badadd216579e625f6bd94363414ed872aa62cfc (diff) | |
| download | cpython-ec4982761bb75e96f2d6ee37e588a52d05e228c4.zip cpython-ec4982761bb75e96f2d6ee37e588a52d05e228c4.tar.gz cpython-ec4982761bb75e96f2d6ee37e588a52d05e228c4.tar.bz2 | |
fix strncpy call (uninitialized memory read)
| -rw-r--r-- | Parser/parsetok.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/Parser/parsetok.c b/Parser/parsetok.c index ce79ce6..5e7957e 100644 --- a/Parser/parsetok.c +++ b/Parser/parsetok.c @@ -168,7 +168,8 @@ parsetok(tok, g, start, err_ret) int len = tok->inp - tok->buf; err_ret->text = malloc(len + 1); if (err_ret->text != NULL) { - strncpy(err_ret->text, tok->buf, len+1); + if (len > 0) + strncpy(err_ret->text, tok->buf, len); err_ret->text[len] = '\0'; } } |