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b4db690cb3
copy_file_range can return early without copying all the data. This is legal behaviour and worked properly, unless the mmap fallback was used. The mmap fallback would read too much data into the destination, corrupting the destination file. Furthermore, if the mmap fallback would fail and have to fallback to the regular file copying mechanism, a similar issue would occur because both maxlen and haveread are modified. Furthermore, there was a mmap-resource in one of the failure paths of the mmap fallback code. This patch fixes these issues. This also adds regression tests using the new copy_file_range early-return simulation added in the previous commit.
88 lines
2.7 KiB
C
88 lines
2.7 KiB
C
/*
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+----------------------------------------------------------------------+
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| Copyright (c) The PHP Group |
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+----------------------------------------------------------------------+
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| This source file is subject to version 3.01 of the PHP license, |
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| that is bundled with this package in the file LICENSE, and is |
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| available through the world-wide-web at the following url: |
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| https://www.php.net/license/3_01.txt |
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| If you did not receive a copy of the PHP license and are unable to |
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| obtain it through the world-wide-web, please send a note to |
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| license@php.net so we can mail you a copy immediately. |
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+----------------------------------------------------------------------+
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| Author: |
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+----------------------------------------------------------------------+
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*/
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#ifndef PHP_TEST_H
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#define PHP_TEST_H
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#include "fiber.h"
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extern zend_module_entry zend_test_module_entry;
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#define phpext_zend_test_ptr &zend_test_module_entry
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#define PHP_ZEND_TEST_VERSION "0.1.0"
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#ifdef ZTS
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#include "TSRM.h"
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#endif
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#if defined(ZTS) && defined(COMPILE_DL_ZEND_TEST)
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ZEND_TSRMLS_CACHE_EXTERN()
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#endif
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ZEND_BEGIN_MODULE_GLOBALS(zend_test)
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int observer_enabled;
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int observer_show_output;
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int observer_observe_all;
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int observer_observe_includes;
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int observer_observe_functions;
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int observer_observe_declaring;
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zend_array *observer_observe_function_names;
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int observer_show_return_type;
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int observer_show_return_value;
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int observer_show_init_backtrace;
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int observer_show_opcode;
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char *observer_show_opcode_in_user_handler;
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int observer_nesting_depth;
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int observer_fiber_init;
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int observer_fiber_switch;
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int observer_fiber_destroy;
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HashTable global_weakmap;
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int replace_zend_execute_ex;
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int register_passes;
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bool print_stderr_mshutdown;
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zend_long limit_copy_file_range;
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zend_test_fiber *active_fiber;
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zend_long quantity_value;
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zend_string *str_test;
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zend_string *not_empty_str_test;
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ZEND_END_MODULE_GLOBALS(zend_test)
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extern ZEND_DECLARE_MODULE_GLOBALS(zend_test)
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#define ZT_G(v) ZEND_MODULE_GLOBALS_ACCESSOR(zend_test, v)
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struct bug79096 {
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uint64_t a;
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uint64_t b;
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};
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#ifdef PHP_WIN32
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# define PHP_ZEND_TEST_API __declspec(dllexport)
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#elif defined(__GNUC__) && __GNUC__ >= 4
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# define PHP_ZEND_TEST_API __attribute__ ((visibility("default")))
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#else
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# define PHP_ZEND_TEST_API
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#endif
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PHP_ZEND_TEST_API int ZEND_FASTCALL bug78270(const char *str, size_t str_len);
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PHP_ZEND_TEST_API struct bug79096 bug79096(void);
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PHP_ZEND_TEST_API void bug79532(off_t *array, size_t elems);
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extern PHP_ZEND_TEST_API int *(*bug79177_cb)(void);
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PHP_ZEND_TEST_API void bug79177(void);
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#endif
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