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Prevent starting JIT on x86_64 with buffuer size above 2G

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Dmitry Stogov
2023-12-04 13:29:47 +03:00
parent c1a37c4ad4
commit e502aaf0c5
1 changed files with 7 additions and 0 deletions
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7
ext/opcache/jit/zend_jit.c
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@@ -3414,6 +3414,13 @@ ZEND_EXT_API int zend_jit_check_support(void)
JIT_G(on) = 0;
return FAILURE;
}
#elif defined(IR_TARGET_X64)
if (JIT_G(buffer_size) > 2 * Z_L(1024*1024*1024)) {
zend_error(E_WARNING, "JIT on x86_64 doesn't support opcache.jit_buffer_size above 2G.");
JIT_G(enabled) = 0;
JIT_G(on) = 0;
return FAILURE;
}
#endif
return SUCCESS;