Bug 473279

Summary: ssh and sshd segmentation fault
Product: [Fedora] Fedora Reporter: David Highley <dhighley>
Component: opensshAssignee: Tomas Mraz <tmraz>
Status: CLOSED DUPLICATE QA Contact: Fedora Extras Quality Assurance <extras-qa>
Severity: high Docs Contact:
Priority: medium    
Version: 10CC: emmanuel.thome, mgrepl, tmraz
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Target Release: ---   
Hardware: All   
OS: Linux   
Fixed In Version: Doc Type: Bug Fix
Doc Text:
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Clone Of: Environment:
Last Closed: 2008-11-27 16:47:55 EST Type: ---
Regression: --- Mount Type: ---
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
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Description Flags
Strace of ssh host none

Description David Highley 2008-11-27 09:05:12 EST
Created attachment 324884 [details]
Strace of ssh host

Description of problem:
ssh and sshd segmentation fault

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

How reproducible:

Steps to Reproduce:
1.ssh host
Actual results:

Expected results:

Additional info:
Attached strace file.
Comment 1 Tomas Mraz 2008-11-27 09:16:17 EST
Please attach a backtrace if you're able to generate it.
Comment 2 David Highley 2008-11-27 09:29:35 EST
[New Thread 0x7ffff7f867a0 (LWP 13723)]
(no debugging symbols found)
(no debugging symbols found)

Program received signal SIGSEGV, Segmentation fault.
0x0000000001886423 in free () from /lib64/libc.so.6
(gdb) where
#0  0x0000000001886423 in free () from /lib64/libc.so.6
#1  0x0000000034175836 in _nss_nis_gethostbyname4_r ()
   from /lib64/libnss_nis.so.2
   #2  0x00000000018d94d6 in gaih_inet () from /lib64/libc.so.6
   #3  0x00000000018db19d in getaddrinfo () from /lib64/libc.so.6
   #4  0x00007ffff7fbe957 in ?? () from /usr/bin/ssh
   #5  0x00007ffff7fb4d5d in main () from /usr/bin/ssh
Comment 3 Tomas Mraz 2008-11-27 11:16:40 EST
I strongly suspect there is some problem in the libnss_nis nsswitch plugin.

Can you please install openssh-debuginfo and glibc-debuginfo and try to obtain the backtrace again?
Comment 4 Emmanuel Thomé 2008-11-27 16:30:27 EST
This is a duplicate of bug 473081 & bug 473073. See patched .so file in 473073, and follow the instructions there to confirm.

Comment 5 Tomas Mraz 2008-11-27 16:47:55 EST

*** This bug has been marked as a duplicate of bug 473073 ***