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and subject line Bug#332863: SEGV on connect to sshd
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From: simon raven <[EMAIL PROTECTED]>
To: Debian Bug Tracking System <[EMAIL PROTECTED]>
Subject: SEGV on connect to sshd
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Date: Sat, 08 Oct 2005 19:55:06 -0400
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Package: ssh
Version: 1:4.2p1-5
Severity: grave
Justification: renders package unusable


hi,

strace -o /tmp/strace_sshd /usr/sbin/sshd -ddd renders:

read(8, "-----BEGIN CERTIFICATE-----\nMIIG"..., 4096) = 2147 read(8, "", 4096)  
                     = 0
close(8)                                = 0
munmap(0x3001d000, 4096)                = 0
time(NULL)                              = 1128815324
write(7, "\200b\1\3\1\0009\0\0\0 \7\0\300\3\0\200\1\0\200\0\0:\0"..., 100) = 100
read(7, "\26\3\1\0J\2\0", 7)            = 7
time(NULL)                              = 1128815324
time(NULL)                              = 1128815324
read(7, "\0F\3\1CHZ\334h&8\225\10\223\305J\341tO\21=t\355\236e\37"..., 72) = 72
read(7, "\26\3\1\fM", 5)                = 5
read(7, "\v\0\fI\0\fF\0\00690\202\00650\202\5\35\240\3\2\1\2\2\1"..., 3149) = 
3149
time([1128815324])                      = 1128815324
time([1128815324])                      = 1128815324
time([1128815324])                      = 1128815324
time([1128815324])                      = 1128815324
read(7, "\26\3\1\0\232", 5)             = 5
read(7, "\r\0\0\222\2\1\2\0\215\0\2130\201\2101\v0\t\6\3U\4\6\23"..., 154) = 154
--- SIGSEGV (Segmentation fault) @ 0 (0) ---
+++ killed by SIGSEGV +++

donwgrading to restore previous behaviour of not crashing ;).

thanks


-- System Information:
Debian Release: testing/unstable
  APT prefers unstable
  APT policy: (1000, 'unstable'), (998, 'experimental')
Architecture: powerpc (ppc)
Shell:  /bin/sh linked to /bin/dash
Kernel: Linux 2.6.13-pylon
Locale: LANG=en_CA.UTF-8, LC_CTYPE=en_CA.UTF-8 (charmap=UTF-8)

Versions of packages ssh depends on:
ii  openssh-client                1:4.2p1-5  Secure shell client, an rlogin/rsh
ii  openssh-server                1:4.2p1-5  Secure shell server, an rshd repla

ssh recommends no packages.

-- no debconf information

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Date: Thu, 20 Oct 2005 09:45:05 +0100
From: Colin Watson <[EMAIL PROTECTED]>
To: [EMAIL PROTECTED]
Subject: Re: Bug#332863: SEGV on connect to sshd
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On Mon, Oct 10, 2005 at 06:43:00AM -0400, Simon Raven wrote:
> On 10 October, 2005 04:51, Colin Watson wrote:
> > Very likely you have some PAM modules linked against an older version of
> > OpenSSL; you will have to push to get those upgraded so that they're in
> > sync with sshd's linkage (0.9.8). There's nothing I can do about this in
> > OpenSSH because OpenSSL doesn't use versioned symbols; if I'd waited for
> > the PAM modules to be upgraded, you'd still have seen segfaults, just
> > (so to speak) the other way round.
> 
> oh ok. so i can wait around for that to happen, and/or fix it up myself 
> locally, until then. thanks dude (hope you don't mind the "dude" thing).

I'll close this for now, then. If you can identify which modules are
problematic for you and let us know, that would be useful.

Cheers,

-- 
Colin Watson                                       [EMAIL PROTECTED]


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