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improve range array overflow error message (#16510)

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Improve range array overflow error message

Added info about "how much it exceeded" and the maximum allowable array size.

Makes debugging easier when encountering this specific issue.
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divinity76 2024-12-30 18:53:16 +01:00 • committed by GitHub
parent 34275564f2
commit 47e440019c
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GPG key ID: B5690EEEBB952194
4 changed files with 13 additions and 6 deletions
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11
ext/standard/array.c
View file

@ -2859,8 +2859,11 @@ PHP_FUNCTION(array_fill_keys)
#define RANGE_CHECK_DOUBLE_INIT_ARRAY(start, end, _step) do { \
double __calc_size = ((start - end) / (_step)) + 1; \
if (__calc_size >= (double)HT_MAX_SIZE) { \
double __exceed_by = __calc_size - (double)HT_MAX_SIZE; \
zend_value_error(\
"The supplied range exceeds the maximum array size: start=%0.1f end=%0.1f step=%0.1f", end, start, (_step)); \
"The supplied range exceeds the maximum array size by %.1f elements: " \
"start=%.1f, end=%.1f, step=%.1f. Max size: %.0f", \
__exceed_by, end, start, (_step), (double)HT_MAX_SIZE); \
RETURN_THROWS(); \
} \
size = (uint32_t)_php_math_round(__calc_size, 0, PHP_ROUND_HALF_UP); \
@ -2871,8 +2874,12 @@ PHP_FUNCTION(array_fill_keys)
#define RANGE_CHECK_LONG_INIT_ARRAY(start, end, _step) do { \
zend_ulong __calc_size = ((zend_ulong) start - end) / (_step); \
if (__calc_size >= HT_MAX_SIZE - 1) { \
uint64_t __excess = __calc_size - (HT_MAX_SIZE - 1); \
zend_value_error(\
"The supplied range exceeds the maximum array size: start=" ZEND_LONG_FMT " end=" ZEND_LONG_FMT " step=" ZEND_LONG_FMT, end, start, (_step)); \
"The supplied range exceeds the maximum array size by %" PRIu64 " elements: " \
"start=" ZEND_LONG_FMT ", end=" ZEND_LONG_FMT ", step=" ZEND_LONG_FMT ". " \
"Calculated size: %" PRIu64 ". Maximum size: %" PRIu64 ".", \
__excess, end, start, (_step), (uint64_t)__calc_size, (uint64_t)HT_MAX_SIZE); \
RETURN_THROWS(); \
} \
size = (uint32_t)(__calc_size + 1); \

2
ext/standard/tests/array/range/range_bug70239_2.phpt
View file

@ -9,4 +9,4 @@ try {
}
?>
--EXPECTF--
The supplied range exceeds the maximum array size: start=0 end=%d step=1
The supplied range exceeds the maximum array size by %d elements: start=0, end=%d, step=1. Calculated size: %d. Maximum size: %d.

2
ext/standard/tests/array/range/range_bug70239_3.phpt
View file

@ -9,4 +9,4 @@ try {
}
?>
--EXPECTF--
The supplied range exceeds the maximum array size: start=-%d end=0 step=1
The supplied range exceeds the maximum array size by %d elements: start=-%d, end=0, step=1. Calculated size: %d. Maximum size: %d.

4
ext/standard/tests/array/range/range_inputs_float_small_step_exhaustion.phpt
View file

@ -14,5 +14,5 @@ try {
}
?>
--EXPECTF--
The supplied range exceeds the maximum array size: start=0.0 end=100000000000.0 step=0.1
The supplied range exceeds the maximum array size: start=-%d end=%d step=1
The supplied range exceeds the maximum array size by %f elements: start=0.0, end=%f, step=0.1. Max size: %d
The supplied range exceeds the maximum array size by %d elements: start=-%d, end=%d, step=1. Calculated size: %d. Maximum size: %d.