MarcoFalke
4aaeb04497
Merge #17205: ci: Enable address sanitizer (ASan) stack-use-after-return checking
8d22ab0e503ccaa464cbecd94d1059dbc5a61f4a ci: Enable address sanitizer (ASan) stack-use-after-return checking (practicalswift)
Pull request description:
Enable address sanitizer (ASan) stack-use-after-return checking (`detect_stack_use_after_return=1`).
Example:
```
#include <iostream>
#include <string>
const std::string& get_string(int i) {
return std::to_string(i);
}
int main() {
std::cout << get_string(41) << "\n";
}
```
Without address sanitizer (ASan) stack-use-after-return checking:
```
$ ./stack-use-after-return
$
```
With address sanitizer (ASan) stack-use-after-return checking:
```
$ ASAN_OPTIONS="detect_stack_use_after_return=1" ./stack-use-after-return
=================================================================
==10400==ERROR: AddressSanitizer: stack-use-after-return on address 0x7f7fa0400030 at pc 0x00000049d2cc bp 0x7ffcbd617070 sp 0x7ffcbd616820
READ of size 2 at 0x7f7abbecd030 thread T0
#0 0x439781 in fwrite
#1 0x7f7ac0504cb3 in std::basic_ostream<char, std::char_traits<char> >& std::__ostream_insert<char, std::char_traits<char> >(std::basic_ostream<char, std::char_traits<char> >&, char const*, long) (/usr/lib/x86_64-linux-gnu/libstdc++.so.6+0x113cb3)
#2 0x4f9b5f in main stack-use-after-return.cpp:9:15
#3 0x7f7abf440b96 in __libc_start_main
#4 0x41bbc9 in _start
…
$
```
Top commit has no ACKs.
Tree-SHA512: 6557a9ff184023380fd9aa433cdf413e01a928ea99dbc59ec138e5d69cb9e13592e8bb5951612f231ff17a37a895bec5c0940c8db5f328a5c840a5771bdeeba5
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