[Bug 687] sshd segfaults under Solaris 2.6

[bugzilla-daemon at mindrot.org]

http://bugzilla.mindrot.org/show_bug.cgi?id=687

           Summary: sshd segfaults under Solaris 2.6
           Product: Portable OpenSSH
           Version: 3.7.1p1
          Platform: UltraSparc
        OS/Version: Solaris
            Status: NEW
          Severity: critical
          Priority: P2
         Component: PAM support
        AssignedTo: openssh-bugs at mindrot.org
        ReportedBy: siegert at sfu.ca


The segmentation fault seems to occur in auth-pam.c in sshpam_thread on the
sshpam_err = pam_authenticate(sshpam_handle, 0);
line. I attach truss output as well as gdb traces from the parent and the
child.
- the segfault only appears on Solaris 2.6, the code runs fine under Solaris 8
and 9 (same configuration)
- patch #422, http://bugzilla.mindrot.org/show_bug.cgi?id=647, is applied
(although this patch should be irrelevant in our configuration since we
do have pam enabled)
- the segfault occurs with and without privsep
- the segfault does not occur under version 3.6.1p2 (with the same
configuration) with the recent patches applied



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