Bug 739184

Summary: Statically-linked binaries that call gethostbyname crash when executed.
Product: Red Hat Enterprise Linux 6 Reporter: Peter Ruprecht <ruprech>
Component: glibcAssignee: Andreas Schwab <schwab>
Status: CLOSED ERRATA QA Contact: qe-baseos-tools-bugs
Severity: medium Docs Contact:
Priority: unspecified    
Version: 6.1CC: bhubbard, fweimer, mfranc, mishu, rdassen
Target Milestone: rc   
Target Release: ---   
Hardware: Unspecified   
OS: Unspecified   
Whiteboard:
Fixed In Version: glibc-2.12-1.43.el6 Doc Type: Bug Fix
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2011-12-06 17:48:17 UTC Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:
Bug Depends On:    
Bug Blocks: 743047    

Description Peter Ruprecht 2011-09-16 17:48:34 UTC 
Description of problem:

Statically-linked programs that call gethostbyname crash when executed.  


Version-Release number of selected component (if applicable):

glibc-2.12-1.25.el6_1.3.x86_64
glibc-static-2.12-1.25.el6_1.3.x86_64


How reproducible:

Always

Steps to Reproduce:
1. Create this program:

#include <netdb.h>

int main(int ac, char **av)
{
 gethostbyname("fedoraproject.org");
 return 0;
}

2. Compile:

gcc -static -o chk-gethost.x chk-gethost.c

3. Execute:

./chk-gethost.x 
Floating exception
  
Actual results:

See above.


Expected results:

Runs without FPE.


Additional info:

This seems to be very similar to the bug reported in https://bugzilla.redhat.com/show_bug.cgi?id=597578 .
Comment 5 errata-xmlrpc 2011-12-06 17:48:17 UTC 
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory, and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

http://rhn.redhat.com/errata/RHSA-2011-1526.html