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MD4 openssl core dumped


MD4 openssl core dumped

By : Mehedi Habib
Date : November 28 2020, 01:01 AM
will be helpful for those in need You are passing a NULL pointer to EVP_Digest as the output length variable. You need to do the following:
code :


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Core dumped, but core file is not in the current directory?

Core dumped, but core file is not in the current directory?


By : user1685466
Date : March 29 2020, 07:55 AM
gcc debugging, Segmentation Fault (core dumped) but no core

gcc debugging, Segmentation Fault (core dumped) but no core


By : RentaroSato520
Date : March 29 2020, 07:55 AM
help you fix your problem As @JonathanLeffler noted, the core dump goes in the current directory.
You can use strace to see if the process has done a chdir(). Unfortunately strace does not show where the core dump itself went, but:
code :
$ cat crash.c
int main(void) {
    chdir("/tmp");
    *(int *)0 = 0;
    return 0;
}
$ cc -o crash crash.c
$ strace ./crash
execve("./crash", ["./crash"], [/* 53 vars */]) = 0
... [lots of libc trace stuff snipped] ...
chdir("/tmp")                           = 0
--- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=0} ---
+++ killed by SIGSEGV (core dumped) +++
Segmentation fault
$ ls /tmp
Why am I getting Segmentation fault (core dumped) or bus error (core dumped) when trying to populate a struct?

Why am I getting Segmentation fault (core dumped) or bus error (core dumped) when trying to populate a struct?


By : GG2
Date : March 29 2020, 07:55 AM
will be helpful for those in need So I am trying to use a pointer to a struct of MonsterAttacks as the data that belongs to an element of a linked list. In order to do this I try to populate a struct of MonsterAttacks and then pass that along with a null ptr to a next node to a function called create. However somewhere in the populate method a segmentation fault error occurs. I am working with three files list_demo.c, linked_list.h and linked_list.c. I will build all the the functions that make up a fully functioning linked list, well hoping I can as soon as I get pass this error. Been dealing with this error for about two days and I showed my professor and he could not figure out why its happening, it seems to come from the populate function. I have tried to return a pointer to a strut in which case I get a bus error, and I have tried almost every variation of getting input and storing it on the strut. I even deleted the function and tried to populate it in main, but nothing works. I am new to C and my professor helped me out for about an hour debug this problem and he finally gave up, so any help would be appreciated.
code :
new_node->monsterAttack->attackID = 0;
#include <string.h>
#include <stdio.h>
#include <stdlib.h>
// Moved the two structs out to make a minimal reproducible code
/*  #include "linked_list.h" */

struct MonsterAttacks{
    unsigned int attackID;
    char monsterName[41];
    char attackLocation[41];
    unsigned int numOfVictims;
};

typedef struct node{
    struct MonsterAttacks *monsterAttack;
    struct node* next;
} node;

void populate(struct MonsterAttacks *m){

    printf("Enter the name for the Monster \n");
    scanf("%40s",m->monsterName);
    puts("What is his/her attack location?");
    scanf("%40s",m->attackLocation);
    puts("What are the number of victims this monster has demolished?");
    scanf("%ud", &m->numOfVictims);      
    m->attackID = 0;
}

node* create(struct MonsterAttacks *m,node* next)
{
    node* new_node = (node*)malloc(sizeof(node));
    if(new_node == NULL)
    {
        printf("Error creating a new node.\n");
        exit(0);
    }

    // Just add this line
    new_node->monsterAttack = malloc(sizeof (struct MonsterAttacks));

    new_node->monsterAttack->attackID = 0;
    new_node->next = next;

    strncpy(new_node->monsterAttack->monsterName,m->monsterName,41);
    strncpy(new_node->monsterAttack->attackLocation, m->attackLocation, 41);
    new_node->monsterAttack->numOfVictims = m->numOfVictims;

    return new_node;
}

int main(void)
{
    node* tmp = NULL;
    struct MonsterAttacks *tmpMonst = (struct MonsterAttacks *) 
        malloc(sizeof(struct MonsterAttacks));

    if(tmpMonst == NULL){
        printf("Error allocating memory");
    }
    else {
        populate(tmpMonst);
    }

    node *head = create(tmpMonst,tmp);

    printf("Name: %s\n", tmpMonst->monsterName);
    printf("num victim: %d\n", tmpMonst->numOfVictims);

    free(tmpMonst);
    return 0;
}
.NET Core 2.2 docker core dumped troubleshooting

.NET Core 2.2 docker core dumped troubleshooting


By : Jonathan Hylton
Date : March 29 2020, 07:55 AM
hope this fix your issue There might be a problem with this Newtonsoft.Json version (12.0.1), I changed it back to 11.0.2 and the error stopped.
@prd for the insight.
compiling outdated PHP yields core dump with OpenSSL functions. OpenSSL version mismatch?

compiling outdated PHP yields core dump with OpenSSL functions. OpenSSL version mismatch?


By : user3226829
Date : March 29 2020, 07:55 AM
will help you Use LD_LIBRARY_PATH will fix the problem in general, but not for yours in this case.
I have rewritten the Dockerfile based on yours in order to fix the segfault.
code :
# https://pastebin.com/ziZzvTh8
--- ziZzvTh8.txt    2019-10-08 10:31:33.229217226 +0800
+++ Dockerfile   2019-10-08 12:07:03.271948150 +0800
@@ -8,7 +8,7 @@
     && wget --no-check-certificate http://www.openssl.org/source/openssl-0.9.8x.tar.gz \
     && tar xvfz openssl-0.9.8x.tar.gz \
     && cd openssl-0.9.8x \
-    && ./config --prefix=/usr/local/openssl-0.9.8 \
+    && ./config shared --prefix=/usr/local/openssl-0.9.8 \
     && make \
     && make install

@@ -23,7 +23,8 @@
     && ln -s /usr/lib/x86_64-linux-gnu/libexpat.so /usr/lib/ \
     && ln -s /usr/lib/x86_64-linux-gnu/libmysqlclient.so /usr/lib/libmysqlclient.so \
     && mkdir /usr/kerberos \
-    && ln -s /usr/lib/x86_64-linux-gnu /usr/kerberos/lib
+    && ln -s /usr/lib/x86_64-linux-gnu/mit-krb5 /usr/kerberos/lib
+

 RUN apt-get build-dep -y php5

@@ -43,7 +44,6 @@
        --with-zlib \
        --with-gd \
        --with-pgsql \
-       --disable-rpath \
        --enable-inline-optimization \
        --with-bz2 \
        --with-zlib \
@@ -62,7 +62,6 @@
        --enable-gd-native-ttf \
        --with-openssl=/usr/local/openssl-0.9.8 \
        --with-openssl-dir=/usr/local/openssl-0.9.8 \
-       --with-libdir=/lib/x86_64-linux-gnu \
        --enable-ftp \
        --with-imap \
        --with-imap-ssl \
@@ -72,4 +71,6 @@
      && make \
      && make install-cli

+ADD test.php /root/test.php
+
 CMD ["bash"]
<?php

$key = <<<EOF
-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAmHzD76i8DA25nC+Qsswi
OM0lW+gViiQD4tEm7suxBc2BGibtdlrsprVIId92hSjQKx4x8+XVWU6k89T5vy8Y
txpXN759OWdGkDi8uvZuYclMjW9Rao+oqSvbXH37R7oSY287I+6uOHclGhniQN3q
RyoXBkbhDk0/FTI/i549q/gGk1UZYv449KLrDOqmtohRcIyAYVnvvWtD1kIzourq
hMtEIrPqwoBqTaUA9kOIXw1jMovao2TN52j48KgOg9KjqtdwUwD9e6n7hJd/subF
6woc8L7zjJFOHH5gacUC7vtiMpBpnSyLQpjFLepYYwftjsRmg4xLdh+Zvgw3xqi4
lwIDAQAB
-----END PUBLIC KEY-----
EOF;

var_dump(openssl_public_encrypt($data, $crypted, $key));
var_dump($crypted);
root@7c5df089bcb0:/# php -v
PHP 4.4.9 (cli) (built: Oct  8 2019 04:09:29)
Copyright (c) 1997-2008 The PHP Group
Zend Engine v1.3.0, Copyright (c) 1998-2004 Zend Technologies

root@7c5df089bcb0:/# php -i | grep OpenSSL
CURL Information => libcurl/7.26.0 OpenSSL/0.9.8x zlib/1.2.7 libidn/1.25 libssh2/1.4.2 librtmp/2.3
OpenSSL support => enabled
OpenSSL Version => OpenSSL 0.9.8x 10 May 2012

root@7c5df089bcb0:/# php /root/test.php
bool(true)
string(256) "W`r�b��e��',뱌Zł^�$�֗��S����w�j�د<������� �)<��j��JL(f@�A���5_S�X=g-?0M�(�d�����+���     �nD*gzË��ڞc'�\'͗�'vnmo�G�Bv�
#~�y D!��lb�t^���| )[za��5���y�G{�\�"

root@7c5df089bcb0:/# ldd `which php` | egrep 'libssl|libcrypto'
        libssl.so.0.9.8 => /usr/local/openssl-0.9.8/lib/libssl.so.0.9.8 (0x00007efe86da1000)
        libcrypto.so.0.9.8 => /usr/local/openssl-0.9.8/lib/libcrypto.so.0.9.8 (0x00007efe86a0b000)
        libssl.so.1.0.0 => /usr/lib/x86_64-linux-gnu/libssl.so.1.0.0 (0x00007efe8401b000)
        libcrypto.so.1.0.0 => /usr/lib/x86_64-linux-gnu/libcrypto.so.1.0.0 (0x00007efe83c21000)

root@7c5df089bcb0:/# objdump -p `which php` | grep RPATH
  RPATH                /usr/lib/x86_64-linux-gnu:/usr/kerberos/lib:/usr/local/openssl-0.9.8/lib
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