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Fixed buffer overflow in mrb_memsearch()

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dearblue
2024-01-20 09:44:47 +09:00
parent f13101124c
commit 772f13520c
1 changed files with 1 additions and 1 deletions
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src/string.c
+1 -1
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@@ -499,7 +499,7 @@ mrb_memsearch(const void *x0, mrb_int m, const void *y0, mrb_int n)
const unsigned char *ye = ys+n-m+1;
for (;;) {
y = (const unsigned char*)memchr(y, x[0], (size_t)(ye-ys));
y = (const unsigned char*)memchr(y, x[0], (size_t)(ye-y));
if (y == NULL) return -1;
if (memcmp(x, y, m) == 0) {
return (mrb_int)(y - ys);