Webrick, ldap segfault on Linux

Discussion in 'Ruby' started by Berger, Daniel, Feb 6, 2006.

  1. Hi all,

    Although this is happening in a Rails app, this is mainly a Ruby issue.
    I hit this issue on Solaris 10 with 1.8.2 but it went away with 1.8.4.
    However, when I moved the app over to a Linux box (kernel 2.6.8), it
    reared its ugly head again, even when using Ruby 1.8.4. I tried using a
    Ruby built with and without --enable-pthread. Didn't make a difference
    either way.

    /app/models/user.rb:64: [BUG] Segmentation fault
    ruby 1.8.4 (2005-12-24) [i686-linux]

    Aborted

    # user.rb (from /app/models)
    require "ldap"
    require "timeout"

    class User < A
    ...
    def self.login(cuid, password)
    ldap_server =3D "ldapt.foo.com"
    bool =3D true

    if ENV["RAILS_ENV"].downcase =3D=3D "production"
    ldap_server =3D "ldap.foo.com"
    end

    dn =3D "uid=3D#{cuid},ou=3DPeople,dc=3Dfoo,dc=3Dbar,dc=3Dcom"

    begin
    Timeout.timeout(10){
    ldap =3D LDAP::Conn.new(ldap_server) # line 64
    ldap.simple_bind(dn, password)
    ldap.unbind
    }
    rescue Timeout::Error
    flash[:notice] =3D "Timed out"
    bool =3D false
    rescue LDAP::ResultError =3D> err
    bool =3D false
    end

    return bool
    end
    end

    The development log shows nothing special for the last entry:

    Processing LoginController#login (for 1.2.3.4 at 2006-02-06 11:39:23)
    [POST]
    Parameters: {"commit"=3D>"Login", "action"=3D>"login",
    "controller"=3D>"login", "login"=3D>{"cuid"=3D>"djber
    ge", "password"=3D>"XXX"}}

    Anyone else hit this? I can't find the core file, otherwise I would
    attach it. I could probably generate one on my desktop Solaris box with
    Ruby 1.8.2 and post it if that would help. Let me know.

    Regards,

    Dan
    Berger, Daniel, Feb 6, 2006
    #1
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