AddressSanitizer (ASAN) is a fast memory error detector for issues such as out-of-bounds access and more.
AddressSanitizer (ASAN) is a fast memory error detector and consists of compile time instrumentation and a runtime library.
See also:
Questions tagged [address-sanitizer]
530 questions
5
votes
2 answers
How to log errors thrown from Google AddressSanitizer to a log file
AddressSanitizer by default throws all errors to shell itself, hence I tried running my ASAN build with following command;
>MCTester_ASAN>asan.log
==15619==ERROR: AddressSanitizer: heap-buffer-overflow on address 0x61400000f9d0 at pc 0x46cff2 bp…
Gayan Pathirage
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5
votes
2 answers
How can I know if Leak Sanitizer is enabled at compile time?
The GCC and Clang compilers both have support for LeakSanitizer which helps finding memory leaks in C programs. Sometimes a memory leak is unavoidable (because it is being tested in a test suite for example).
Such memory can be annotated using the…
Lekensteyn
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4
votes
1 answer
Does Qt leak memory?
If I compile this Qt "hello world":
#include
#include
int main( int argc, char **argv ) {
QApplication a( argc, argv );
QPushButton hello( "Hello world!" );
hello.resize( 100, 30 );
…
MWB
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4
votes
1 answer
AddressSanitizer: invalid-pointer-pair from libc++ string __addr_in_range
The following simple program makes AddressSanitizer to report "invalid-pointer-pair" with latest master build of Clang (doesn't happen with the latest official release 15):
#include
#include
constexpr std::string_view str =…
notsurewhattodo
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4
votes
1 answer
Address sanitizer does not detect out-of-bounds
I'm learning about address sanitizers:
#include
int main(int argc, char **argv)
{
int array[30]={0};
(void) printf("%d\n", array[179]); // <--- should crash, right?
return 0;
}
But I can't trigger any error / warning:
$…
OrenIshShalom
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4
votes
1 answer
How to add sanitizer support to STM32 ARM GCC?
I am working on a large embedded system (STM32F423 CPU and CubeIDE environment on Windows, all the code is in C), and recently I found out that there must be a buffer overflow somewhere. The mbedtls library reports an error suggesting the server did…
Kazimierz Król
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4
votes
2 answers
rust library returned Box object is automatically freed in C -- EDIT: not freed
I have a feeling that ONE rust Box (as struct Context * in C) is automatically freed when leaving main.
I have a rust library /home/codes/libspeakdet.so from following code in lib.rs compiled with cargo build
pub struct Context { pub sim:…
Catau
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4
votes
1 answer
Using Address Sanitizer or other Undefined Behavior Sanitizers in Production?
In the past there have been concerns about using ASAN in production in certain environments: https://seclists.org/oss-sec/2016/q1/363 .
The comment is from 2016 - what is the landscape like today?
Is it recommendable to use the sanitizers here in a…
ambiso
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4
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1 answer
AddressSanitizer: No matching source file lines in the report after separating debuginfo
CentOS Linux release 7.6.1810 (Core)
g++ (GCC) 6.5.0
libasan3-6.3.1-3.1.el6.x86_64
I'm using AddressSanitizer to detect memory error. Unlike the common case, I need to build a rpm package rather than compile source code and run it directly. I have…
Matt
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4
votes
1 answer
Asan dynamic runtime is missing on Ubuntu 18+
If I compile a simple program (sample.cpp):
#include
int main() {
printf("Hello, World");
return 0;
}
with a shared sanitizer library, i.e.
clang++-12 -fsanitize=address -shared-libsan sample.cpp -o sample
I am getting the following…
Serge Rogatch
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votes
0 answers
Why do the clang sanitizers not link the sanitizer runtimes when linking shared libraries
Right in the docs for the address sanitizer (https://releases.llvm.org/7.0.0/tools/clang/docs/AddressSanitizer.html), it states that:
When linking shared libraries, the AddressSanitizer run-time is not
linked, so -Wl,-z,defs may cause link…
acm
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4
votes
0 answers
How to enable sanitizers for Visual Studio projects via CMake?
I need to set address sanitizers for my Visual Studio project via my CMake file. I can't make use of the GUI option for enabling sanitizers in VS since I need sanitizers to be enabled in my CI/CD flow.
KUNAL SHARMA
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4
votes
1 answer
C++ coroutines: Is it valid to call `handle.destroy` from the final suspend point?
Is it valid to call handle.destroy() from within the final suspension of a C++ coroutine?
From my understanding, this should be fine because the coroutine is currently suspended and it won't be resumed again.
Still, AddressSanitizer reports a…
Vogelsgesang
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4
votes
1 answer
VC2019 address sanitizer 64 bit link error on windows "unresolved external symbol __asan_shadow_memory_dynamic_address"
The following simple program
#include
int main(int argc, char **argv)
{
char* arr=malloc(10);
arr[10]='\0';
return 0;
}
builds fine with VC2019 16.8.2 in 32 bit dynamic linking
cl -Zi -fsanitize=address -MD…
Leo
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4
votes
1 answer
Can I apply c++ sanitizer to only my part of the program but not thirdparty libraries
I have a project using thrift/jemalloc, and I want to use C++ sanitizer to look for memory leaks. The project build thrift from source.
When I add -fsanitize=address -fno-omit-frame-pointer to the global CXX flag, the compiler complains many errors…
Harper
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