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
0
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1 answer
ASAN with gcc-5.2 not intercepting exceptions
I was using the ASAN with gcc-4.8.2 for last 2 years without any issue. We moved to gcc-5.2 to use the new features like LSAN. After building the application with gcc-5.2 its not able to intercept the __cxa_throw anymore leading to a crash, found…
0
votes
1 answer
Interpretation of XCode AddressSanitizer results
I have recently started using the XCode AddressSanitizer, which I think was introduced in XCode 7 (see e.g. Apple WWDC presentation), to help with a difficult to find strange error. The Sanitizer actually found a problem, but I have a hard time…
fishinear
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1 answer
what package do I need to use clang with asan for 32 bit?
I get this error when compiling with clang++ and -fsanitize=address -m32:
/usr/bin/ld: cannot find /usr/lib/llvm-3.6/bin/../lib/clang/3.6.0/lib/linux/libclang_rt.asan-i386.a: No such file or directory
/usr/bin/ld: cannot find…
onqtam
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0
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1 answer
Disable Color in Address Sanitizer Output
Is there any chance to disable the terminal color output of Asan? No matter which flags I pass, it prints terminal color codes:
Heap left redzone: [1m[31mfa[1m[0m
Freed heap region: [1m[35mfd[1m[0m
Stack left redzone: …
HelloWorld
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0
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0 answers
Xcode 7 indicating heap buffer overflow in NSBitmapImageRep - bitmapData
Just found an issue running my app through the new Address Sanitizer feature in Xcode 7 that I can't quite make any sense of:
I'm attempting to initialize a medium-sized (588x375) texture from an NSImage like this
NSImage *texture = [[NSBundle…
ATV
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0
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1 answer
Is there any way of use asan in gcc 4.7
According to the address-sanitizer home page it comes only with the gcc 4.8 or above. Isn't there anyway of using it with gcc 4.7?
Sujith Gunawardhane
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-1
votes
1 answer
"AddressSanitizer: stack-use-after-scope" when trying to access element of vector of pointers
Why the following code
#include
#include
typedef struct Number {
int number = 15;
} Number;
int main() {
std::vector nums(5);
for (size_t i = 0; i < nums.size(); ++i) {
Number num;
nums[i] =…
laser_sex_machine
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-1
votes
1 answer
Is an indirect memory leak detected by gcc option -fsanitize=address a concern?
When I test run C++ programs with the option -fsanitize=address I see many locations point to an indirect leak. They are all initiated from libasan.so. The exact error shown below. I am not sure that I am responsible for this leak or not. I was…
Kemin Zhou
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-1
votes
1 answer
DEADLYSIGNAL error when running simple program that allocates static memory
I have the following code:
#include
int main(void){
int x[20000000];
return 0;
}
Compiling it as gcc file.c, and running it works flawlessly.
However, compiling it as gcc -fsanitize=address -fsanitize=undefined file.c gives the…
user12184817
-1
votes
1 answer
LeetCode C++ Convert char[] to string, throws AddressSanitizer: stack-buffer-overflow error
I'm learning C++, and on LeetCode, converting a char[] to a string gives a AddressSanitizer: stack-buffer-overflow error.
string test1() /* Line 70 */
{
char test[] = "11";
return string(test);
}
string test2() /* Line 76 */
{
char…
hmmm
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-1
votes
1 answer
Debug address sanitizer double free
Trying to debug an asan (address sanitizer) double free memory issue. I got this stack:
==4108==ERROR: AddressSanitizer: attempting double-free on 0x603000012610 in thread T0:
#0 0x7ffffe5212c0 in operator delete(void*)…
Ghita
- 4,465
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- 69
-1
votes
1 answer
Why does my code stop crashing after adding aSan library?
I am currently debugging a C code. This is basically a client from a data collection platform and I was getting weird bugs reading from a linked list. The problem basically is that the "next" pointer of the last item changes in some unknown point…
tarek
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-1
votes
1 answer
Heap buffer overflow--is this a false positive of address sanitizer?
I have the following simple program
void copy(const int16_t *buffer) {
int16_t *b;
memcpy(b,buffer,2);
return ;
}
int LLVMFuzzerTestOneInput(const int16_t *buffer) {
copy(buffer);
return 0;
}
which I compile with clang (v9) using…
panava
- 11
- 1
-1
votes
1 answer
I want to delete a binary tree search but i get an error
I would like to delete a BST, my program works but, I don't know way, AddressSanitizer find an error.
void clear_maxlist(max_list* position){
if(position == NULL)
return;
clear_maxlist(((position)->left));
…
Bob Rob
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votes
1 answer
Can you analyze this result from address sanitizer
enter image description here
I ran AFL fuzzer to open source program and I ran the program with the output crash from the fuzzing.
This is the result of address sanitizer but I am not sure what this error actually is.
And where do I have to look…
liliput
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