Fix: php_binary_init: WIN32 binary_location use after free #8788
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cmb69
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Jun 15, 2022
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The additional check for binary_location looks right, but that should probably target PHP-8.0.
And I wonder why we use malloc() and friends here, instead of pemalloc() and friends. Since the latter are infallible, we could remove some of the checks and error handling.
| binary_location = NULL; | ||
| } | ||
| } else if (!VCWD_REALPATH(sapi_module.executable_location, binary_location) || VCWD_ACCESS(binary_location, X_OK)) { | ||
| } else if (binary_location && !VCWD_REALPATH(sapi_module.executable_location, binary_location) || VCWD_ACCESS(binary_location, X_OK)) { |
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Good catch, but this is not Windows code, but rather the code for other systems.
Comment on lines
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| #endif | ||
| PG(php_binary) = binary_location; | ||
| #endif |
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Moving that line into the #else body would cause Windows to not set PG(php_binary).
|
I'll create a new pull request targeting php8 |
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