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Fix string offset signed int UB in jit as well

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This commit is contained in:
Nikita Popov
2019-12-20 12:11:07 +01:00
parent ed372541da
commit 2bc0a6e97f
1 changed files with 2 additions and 2 deletions
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4
ext/opcache/jit/zend_jit_helpers.c
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@@ -610,7 +610,7 @@ try_string_offset:
offset = Z_LVAL_P(dim);
}
if (UNEXPECTED(Z_STRLEN_P(container) < (size_t)((offset < 0) ? -offset : (offset + 1)))) {
if (UNEXPECTED(Z_STRLEN_P(container) < ((offset < 0) ? -(size_t)offset : ((size_t)offset + 1)))) {
zend_error(E_WARNING, "Uninitialized string offset: " ZEND_LONG_FMT, offset);
ZVAL_EMPTY_STRING(result);
} else {
@@ -658,7 +658,7 @@ try_string_offset:
offset = Z_LVAL_P(dim);
}
if (UNEXPECTED(Z_STRLEN_P(container) < (size_t)((offset < 0) ? -offset : (offset + 1)))) {
if (UNEXPECTED(Z_STRLEN_P(container) < ((offset < 0) ? -(size_t)offset : ((size_t)offset + 1)))) {
ZVAL_NULL(result);
} else {
zend_uchar c;