valgrind Questions
4
Solved
Are there any known false positives with Valgrind? I get a 'Conditional jump or move depends on uninitialised value(s)' with the fmemopen function, writing in C and compiling with GCC. Can I be sur...
2
Solved
I run Valgrind with the following parameters:
--leak-check=full --show-reachable=yes --leak-resolution=high --num-callers=100 --trace-children=yes
In memory leaks log, I see some error messages ...
Austerity asked 28/6, 2012 at 10:36
2
Solved
I'm working on code that runs on a raspberry pi 3. And got the following error on my logging classes.
==1297== Invalid read of size 8
==1297== at 0x4865D1C: ??? (in /usr/lib/arm-linux-gnueabihf/li...
2
From reading about the valgrind memory leak report of "possibly lost", I had understood that there is a very small chance that this kind of report will be a false-positive report. What I could not ...
Zebulun asked 13/7, 2013 at 14:4
1
Valgrind/Memcheck can be intensive and causes runtime performance to drop significantly. I need a way (at runtime) to detect it in order to disable all auxiliary services and features in order to p...
2
I am running Ubuntu 12.04 and installed Valgrind configure and installed it.
Everytime i run valgrind ./ file I always get permission denied even under root.
2
Solved
When attempting to use getopt multiple times, the error I get in valgrind is Invalid read of size 1. The error only occurs when doing something like this:
ls -a -b
ls -a -b
Therefore I'm assumin...
4
Solved
I have a stripped binary and symbol-file. Is it possible to add the symbols back to binary and create an unstripped binary.
My use-case is using this binary w/ valgrind.
3
Solved
I am looking to log all accesses to addresses in a block allocated in heap, pointed by a given pointer. In the following example, it would be monitoring all accesses to 1024 bytes from p.
#define B...
Tenure asked 6/9, 2023 at 22:10
2
Solved
I have the following code:
#include <iostream>
#include <random>
int main() {
std::mt19937_64 rng(std::random_device{}());
std::cout << std::uniform_int_distribution<>(0...
3
Solved
I have a code which works perfect in serial but with mpirun -n 2 ./out it gives the following error:
./out': malloc(): smallbin double linked list corrupted: 0x00000000024aa090
I tried to use va...
9
Solved
I have installed valgrind with no problems but when running it I keep getting the following error:
valgrind: failed to start tool 'memcheck' for platform 'amd64-linux': No such file or directory
I...
1
[This is lengthy and full of details. My specific questions are introduced by the boldface word Question below.]
Summary
We are running some of our test suites under valgrind and encountering an ...
Matted asked 16/3, 2017 at 16:24
5
Solved
I've been trying to debug a segmentation fault recently using valgrind on my raspberry Pi (model b), running Debian GNU/Linux7.0 (wheezy). Every time I run valgrind on a compiled C++ program, I get...
Flemings asked 2/7, 2013 at 16:21
2
Solved
I have seen some of the post regarding valgrind but not single post helped me in understanding interpretation of valgrind output.
I ran two programs with valgrind (Both having memory leaks)
Sampl...
Margheritamargi asked 1/7, 2013 at 6:48
4
Solved
This is my code:
#include<stdio.h>
#include<stdlib.h>
#include<string.h>
void main(int arge, char *argv[])
{
FILE *f1;
char ch,*fn="~/lyrics/";
strcat(fn,argv[1]);
strcat(fn...
Uda asked 16/12, 2012 at 12:18
5
Solved
This is a minimal working example for the problem I am facing in my real code.
#include <iostream>
namespace Test1 {
static const std::string MSG1="Something really big message&q...
Inspection asked 1/3, 2023 at 7:10
1
I'm trying to use valgrind to check memory leaks in C. I'm using Windows and I installed MinGW.
When I try valgrind ./list, it returns an error telling
"valgrind: The term 'valgrind is not re...
2
Solved
I'm having troubles installing Valgrind on the macOS Ventura (13.0) through the Homebrew. In the terminal I have tried following.
$ brew install valgrind
After Homebrew's autoupdate, I got the fol...
Silo asked 28/10, 2022 at 20:37
1
I am trying to run a program on Valgrind. But I am getting this error:
valgrind: mmap(0x67d000, 1978638336) failed in UME with error 22 (Invalid argument).
valgrind: this can be caused by executab...
1
I have a large application that I am checking for memory leaks. I am using valgrind with the options --leak-check=yes --track-origins=yes. A sample of the warning:
==2173== Warning: noted but unha...
2
Solved
I have a fairly robust CI test for a C++ library, these tests (around 50) run over the same docker image but in different machines.
In one machine ("A") all the memcheck (valgrind) tests ...
11
Solved
I tried to install Valgrind with brew install Valgrind and got :
valgrind: This formula either does not compile or function as expected
on macOS versions newer than Sierra due to an upstream
incomp...
Swingletree asked 10/10, 2018 at 3:9
3
Solved
First, I know similar questions have been asked. However, I'd like to have a more general simple question with really primitive C data types. So here it is.
In main.c I call a function to populate...
4
Solved
When I call this function:
int within(struct key *node, int *value) {
int length = len(node);
if ((value <= node[length-1].data) && (value >= node[0].data)) // Problematic line
...
Rickie asked 21/5, 2014 at 18:45
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