Programming :: Error : Glibc Detected Invalid Pointer

Aug 5, 2010

hey dude error in gnu c pointer

I am using Red Hat Enterprise Linux 5.0.

#include <stdio.h>
#include <stdlib.h>
int main()
char * cp = NULL;


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General :: C++ Error Glibc Detected?

Jul 1, 2010

Hi I am getting this error::

*** glibc detected *** ./a.out: free(): invalid next size (fast): 0x084ed538 ***
======= Backtrace: =========


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Programming :: Memory Leaks - Glibc Detected - ./SuffixTree: Malloc() - Memory Corruption - 0x00

Mar 21, 2011

I am new to C and linux. My code below does arbitary writes but I cant figure out where or how it does it.

I am calling the insertNode() function with seq = 'MISSISSPPI$' and alphabets = 'ABCDEFGHIJKLMNOPQRSTUVWXYZ$'


Weird behaviour I should mention is that when I check for NULL pointer in node->child[index], the unassigned values are not null anymore, they point to arbitary memory.

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Red Hat / Fedora :: Error: Failed Dependencies - Glibc = 2.12.1-3 Is Needed By Glibc-common-2.12.1-3.x86_64

Oct 26, 2010

I've been working to get gcc up and running on a new install of Fedora 13. glibc-devel had dependencies upon installation where it required glibc and glibc-common, both 2.12.1-3. No problem, found both at rpm dot pbone dot net. However, when I try to install the following circular dependency results... it doesn't matter the order of install.


[root AT localhost gcc_install]# rpm -ivh glibc-common-2.12.1-3.x86_64 .rpm
error: Failed dependencies:
glibc = 2.12.1-3 is needed by glibc-common-2.12.1-3.x86_64


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Programming :: Dereferencing Pointer Error During Compilation?

Sep 29, 2010

I have got following code from a book:

#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <string.h>
#include <stdlib.h>
#define PORTNUMBER 12345


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OpenSUSE :: Dropbox Crash - Glibc Detected?

Apr 15, 2011

I have been using dropbox for quite some time but in the last few days I have been bumping into a problem.Recently I had a fresh install (GNOME3 and afterwards added KDE 4.6) and after installing dropbox I get the following error:

*** glibc detected *** /home/filipe/.dropbox-dist/dropbox: double free or corruption (!prev): 0xb3d44d08 ***
and dropbox terminates...


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Fedora :: F13 - VLC Not Working (Invalid Pointer)

Oct 21, 2010

I have Fedora 13 x86_64 on my Lenovo Ideapad laptop. I am not able to run vlc. When I run vlc in a terminal, I get the following output.

VLC media player 1.1.4 The Luggage (revision exported)
*** glibc detected *** vlc: free(): invalid pointer: 0x0000003ffc6f43a0 ***
/usr/lib64/[0x3011c6d416] .....

I have tried reinstalling vlc.

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Software :: "Clock Skew Detected" And In Ntp.conf / Error Message Invalid Date In Changelog?

Feb 28, 2011

I try to setup a HPC cluster with CentOS 5.5. But now there is no Internet connection available in the room where the hardware is located so I set up ntpd server using synchronization with local clock (maybe I do something wrong). Here is my ntp.conf file on a master node (the master node has IP, a file server has IP and compute nodes are, comments are omitted):

restrict -6 ::1
restrict mask notrust
restrict mask nomodify notrap

Any time I try to install software building it from source when I run make I get a waring "Clock skew detected. Your build may be incomplete". Some software build successfully and run normally after install but some build tasks are failed for example when I try to build RPM's via 'make rpms' for BLCR I get an error message about invalid date in changelog. But the system date seems to be right. I suppose I have invalid settings of NTP.

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Fedora :: Pointer To BIT Loadval Table Invalid?

Jun 1, 2011

When I boot from my new Fedora15 LiveCD I get this on startup:

Pointer to BIT loadval table invalid. Everything appears to be working pretty normally other than the fact that the error came up on the screen. Is this going to be a major problem? Is there some kind of fix or patch that I can apply?

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Programming :: Parse.c:1638: Error: Dereferencing Pointer To Incomplete Type

May 15, 2011

I am playing around with a new chat program and I have errors that I can not figure out. Here is what I am getting.

parse.c:1638: error: dereferencing pointer to incomplete type
parse.c:1638: error: dereferencing pointer to incomplete type
parse.c:1638: error: dereferencing pointer to incomplete type

here is the code:

if (scan->jail_timeout == 0 && scan->location == prison)
command_type |= HIGHLIGHT;
tell_player(scan, " After serving your sentence you are flung out"


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Programming :: Pointer To Pointer Segmentation Fault?

Jun 27, 2009

I have been googling trying to fix this ... basicly I have a (int **) variable, and when I try to pass a (int) value to a specific position, I have seg.fault.Resuming what I have is:

int ** p;
p[0][0] = 1; //segmentation fault

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Debian Hardware :: Nouveau - Pointer To TMDS Table Invalid

Apr 13, 2015

I migrated from Ubuntu 14.10 some weeks ago and I've been playing with Debian Jessie RC2 these days. Everything is working right... however when debian is starting I get some error messages from nouveau, I've just run dmesg and here is the output [URL] ....

I'm getting some lines like this :

Code: Select all[    8.933681] nouveau  [  DEVICE][0000:08:00.0] BOOT0  : 0x0e7240a2
[    8.933682] nouveau  [  DEVICE][0000:08:00.0] Chipset: GK107 (NVE7)
[    8.933683] nouveau  [  DEVICE][0000:08:00.0] Family : NVE0
[    8.948205] nouveau  [   VBIOS][0000:08:00.0] using image from ACPI
[    8.948513] nouveau  [   VBIOS][0000:08:00.0] BIT signature found

[Code] ....

There is any explanation for these "write of ___________ FAULT at ________" messages?

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Programming :: Cannot Understand Invalid Read Error

Aug 25, 2010

I have just started using Valgrind,which really is great. Most of the reported errors look kinda weird, though I can't really understand what's going on here, for example:

==00:00:02:52.033 7754== Invalid read of size 4
==00:00:02:52.033 7754== at 0x80B0987: MyCls::MyPrintf(long, char*, ...) (MyCls.cpp:270) ...
==00:00:02:52.033 7754== Address 0x47a5ee8 is 0 bytes after a block of size 296 alloc'd ...
==00:00:02:52.033 7754== by 0x809A6C1: ClsMain::taskRun(int, char**) (ClsMain.cpp:177)
==00:00:02:52.033 7754== by 0x816CFE8: main (main-C.cpp:2060)

==7754== ---- Attach to debugger ? --- [Return/N/n/Y/y/C/c] ---- Y
==00:00:02:57.410 7754== starting debugger with cmd: /usr/bin/gdb -nw /proc/7765/fd/1014 7765
GNU gdb Red Hat Linux (6.5-25.el5rh)
Copyright (C) 2006 Free Software Foundation, Inc.

GDB is free software, covered by the GNU General Public License, and you are welcome to change it and/or distribute copies of it under certain conditions. Type "show copying" to see the conditions. There is absolutely no warranty for GDB. Type "show warranty" for details. This GDB was configured as
"i386-redhat-linux-gnu"...Using host libthread_db library "/lib/".

Attaching to program: /proc/7765/fd/1014, process 7765
MyCls::MyPrintf (this=0x47a5dc0, iPrm=3,
sMsg=0x6974320 "blablabla"...) at MyCls.cpp:270
270 cout<<endl<<"m_FilePtr="<<hex<<m_FilePtr<<dec<<endl;

Basically, Valgrind reported the "Invalid Read" error at line 270 of file MyCls.cpp, which is simply a cout of the m_FilePtr variable, which is a member variable of the MyCls class. It's a FILE* variable I use to write repeatedly on a text file. The address reported (0x47a5ee8) is 296 bytes after the "this" pointer (0x47a5dc0),as Valgrind correctly tells me but I honestly don't understand that. And of course, I need to read that variable, not only for the cout (indeed,the error is reported at every reading attempt). Besides, the application doesn't crash, but still I would like to understand if I really have to worry about this "error".

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Programming :: KSH - Script Error - Invalid Command ?

Aug 3, 2010

Essentially my ksh script calls a program and passes some commands. It's entering the program just fine, but when it passes the commands it gets "invalid command" error, and loops for a bit.

When I run all the steps manually the program works fine. I turned debug on and see that it enters the program, cmbview, but for whatever reason, it fails on any command that it tries to parse.

Tried running it in a ksh shell, same error. Tried running it as bash shell, same error.

The cmbview exe works and the following commands work, so I can only assume its something with the script parsing the commands.

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Programming :: Library Linking - ELF File OS ABI Invalid Error

May 6, 2010

[root@shankar-lx src1]# make
gcc -c main.c
gcc -c database.c
gcc -c e_sqlite.c
gcc -o TEST main.o database.o e_sqlite.o /usr/local/lib/ -w -lpthread
[root@shankar-lx src1]# ./TEST
./TEST: error while loading shared libraries: /usr/lib/ ELF file OS ABI invalid

My application compiled well but when try to run, it is giving ELF file OS ABI invalid ERROR. What is this error.
Kernel version is 2.4-18

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Programming :: Invalid Next Size (fast ) Error : Cant Figure Out?

Apr 24, 2011

So I've been writing a code and I have been adding functions to make life easy, but all of a sudden when i added the last function I got this error *** glibc detected *** /home/ahzeeper/Desktop/C-code/check6: free(): invalid next size (fast): 0x0804c048 ***followed by a huge backtraceNow here is my code



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Debian Programming :: Python-TK Alloc - Invalid Block Error

Sep 23, 2015

Just installed Debian 8 last night and trying to run one a few of my scripts that use easygui (a front-end for python-tk basically) and I keep getting alloc: invalid block any time a file or folder selection dialog is presented. I'm able to select a file/folder with no issues, but once the dialog closes I get a variation of what appears to be a memory error followed by alloc: invalid block.

Here's one of my scripts that does it. This one pops up a file selection dialog pretty early on to ask for a file to check, and as soon as I select any file the dialog closes and that error appears in the terminal. It happens whether I run it with Python 2 or Python 3. You will need to install python3-easygui for this script to run properly if you want to check for yourself what happens. This is a first time encountering this error for me.

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Programming :: Insmod: Error Inserting 'kernel.ko': -1 Invalid Parameters?

Jan 16, 2010

insmod: error inserting 'kernel.ko': -1 Invalid parametersI am getting this error when i am try to insert kernel.ko into kernelMy systemfedora 12 with gcc 4.4.2insmod kernel.koinsmod: error inserting 'kernel.ko': -1 Invalid parametersmy program

__________________kernel.c________________________ ___________

#include <linux/module.h> /* Needed by all modules */
#include <linux/kernel.h> /* Needed for KERN_INFO */


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Programming :: Getting Error 'couldn't Compile Regular Expression Pattern: Invalid Character Range'

Nov 19, 2008

I'm having a bit of trouble with a regular expression I'm trying to write and I'm not sure if it's something Tcl specific or my lack of regexp understanding.


I get a number of strings passed to a proc in the format 3|x where x is a number, either 0 or within the range 5-12. My understanding is that that regexp will match the literal '3' followed by a '|', the escapes the special meaning of |, and then 0 or, because of |, a number within the range 5-12. However I'm getting the error 'couldn't compile regular expression pattern: invalid character range'.

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Programming :: Realloc(): Invalid Next Size / Getting Error With Reallocate Memory In MakeDSt Function For DSt->SArray?

Jul 19, 2011

I wrote a test program for learning usage of realloc() and I thin I did everything right but I get this error exactly with my 4th time that while tries to reallocate memory in MakeDSt function for DSt->SArray:


realloc(): invalid next size

this is my complete code :

#include <stdio.h>
#include <stdlib.h>
typedef struct DRA

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Ubuntu Networking :: Invalid MAC Address Detected?

Nov 26, 2010

I've just installed a fresh copy of Maverick Meerkat 64bit and I wanted to setup static ip, but unfortunately I can't because of invalid mac address detection during each startup. The message looks like this

dmesg |grep Mac
[ 5.988576] forcedeth 0000:00:07.0: Invalid Mac address detected: 0b:68:66:ea:0f:00
[ 5.988590] forcedeth 0000:00:07.0: Please complain to your hardware vendor. Switching to a random MAC I remember having the same problem on suse distro and the solution I found at that time, was to change the /etc/udev/rules.d/70-persistent-net.rules and edit it to look like this


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Ubuntu :: 11.04 - VirtualBox 4.1.0 (Invalid Settings Detected)

Jul 30, 2011

I'm running Ubuntu 11.04 on a Compaq Presario CQ62, with factory specs. I have downloaded and installed VirtualBox 4.1.0 r73009, and successfully installed Windows XP SP3 and Windows 7. However, I have now hit a problem. When I go to Settings for either virtual machine, I get an error that says "Invalid settings detected". It doesn't matter what I try to change or adjust, this message will not disappear. I do not currently have USB support for the Virtual machines, but it's not a big concern to me at this time. I don't know what commands I need to issue or what information I can offer to get the readout of what's not working right. I am very comfortable using Terminal, but have no idea what to look for or where to go.

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General :: Ubuntu 9.1 - Invalid RT Chipset Detected

Mar 1, 2010

My computer was working fine yesterday. Last night I opted to load the newest ubuntu os ver 9.1. Now all I see after the initial booting takes place is a blank screen. I have managed to look at the booting up sequence and at the end of the multiple lines of code is the message: 'Invalid RT chipset detected'. I do not know if this is significant or not.

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Slackware :: Glibc And Glibc-i18n Packages Contain Redundant Files ?

Jun 24, 2011

I notice that these two packages contain the same files and uninstalling glibc-i18n doesn't uninstall the internationalization files, because they are also in the glibc package. Is this a mistake or is this normal or is there a reason for it ? I just made my own glibc package to fix this, but was wondering why this is the way it is...

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OpenSUSE Install :: Update Glibc-2.9 To Glibc-2.10 In 11.1 64 Bits

Apr 12, 2011

I have installed Zimbra 6.0.1 and updated to Zimbra 7.1.0, the problem is that it needs the glibc-2.10 to start one of its services. I tried everything but i'dont get to update the glibc.

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General :: Glibc-2.3.2-95.37.i386 Parallel To Glibc-x86_64

Jun 13, 2011

OS : Oracle Enter Prise Linux 6 (equivalent to RedHat)

I am in process to install oracle 10g on said OS.My process fails and after digging up , I came to know that some of the oracle libraries are compiled on 32-bit architecture and it require glibc-32 bit . also it require for gcc-32 bit.

Now i have downloaded all the required rpm for gcc-32bit . when I try to install glibc and its dependencies , it gives me error that newer version already exist.

How can I install , Gcc-32bit(libgc, libstd-i386 etc) in parallel or standalone?

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CentOS 5 :: How To Replace Glibc.i686 By Glibc.i386

Sep 16, 2011

I made an update of my Centos 5.5 yesterday. In doing so glibc has been updated to glibc.i686. Just now some of my FPGA tools crash. Unfortunately there isn't a downgrade for glibc.i686. How can I replace glibc.i686 by glibc.i386?A simple yum install glibc.i386 conflicts with the files from package glibc-2.5-65.i686

yum list glibc
Loaded plugins: fastestmirror
Loading mirror speeds from cached hostfile


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Software :: Upgrade Redhat5 From Glibc 2.5 To Glibc 2.7

May 30, 2011

I am in very much need to resolve the issue of Upgrade redhat5 from glibc 2.5 to glibc 2.7. The problem is when I run a binary compiled on our build setup (glibc 2.11) on Suse 11 (glibc 2.9) it works fine...

But the same binary do not work on redhat enterprise version 5 telling error as need glibc2.7 or sometimes segmentation fault for the same binary execution.

I tried upgrading the redhat glibc 2.5 to glibc 2.7, but not successful.

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Programming :: Application Requires Later Glibc

May 10, 2011

My users need to run an application which was build with newer GLIBC_2.11, while my system only gets GLIBC_2.4. It shows error "cannot find GLIBC_2.11" whenever I run it. I cannot upgrade the system, so I have tried building Glibc 2.11 (for example:/opt/glibc-2.11) to another directory, but when I point LD_LIBRARY_PATH to /opt/glibc-2.11, I cannot run any commands because of error invalid LFS ABI. I also tried using LD_PRELOAD, but it does not work. Please help me, how can I fix this problem.

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General :: Error - Compile Glibc ?

Jun 2, 2010

I need to compile glibc.

What is this error ?


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