[389-users] Re: ns-slapd segfault

On 04/26/2018 08:14 AM, Bart wrote:
> Hi all,
>
> I am using 389-ds as a part of FreeIPA setup. I've established trust with AD domain but ds server crashes when I try to authenticate with an AD user on a linux system.
>
> The version I am using is:
>
> 389-ds-base.x86_64 1.3.7.10-1.fc27 @updates
> 389-ds-base-libs.x86_64 1.3.7.10-1.fc27 @updates
>
> Related dmesg output is:
>
> [ 2998.558825] ns-slapd[1019]: segfault at 0 ip 00007f5cfa4aa20b sp 00007f5cca64fab0 error 4 in libtcmalloc.so.4.4.5[7f5cfa483000+46000]
> [69484.585785] ns-slapd[5558]: segfault at 0 ip 00007ff7a797620b sp 00007ff773e9dab0 error 4 in libtcmalloc.so.4.4.5[7ff7a794f000+46000]
> [70128.856460] ns-slapd[5799]: segfault at 0 ip 00007f5bb28e820b sp 00007f5b83e19cd0 error 4 in libtcmalloc.so.4.4.5[7f5bb28c1000+46000]
> [70841.531994] ns-slapd[6687]: segfault at 0 ip 00007f3b26217213 sp 00007f3af9b84b00 error 4 in libtcmalloc.so.4.4.5[7f3b261f0000+46000]
>
> Everything runs on Fedora 27, I use the packages from the upstream repo.
> Can anyone point me to the way of fixing this?

Without seeing a backtrace from a core file its hard to say, but...  It
looks like a recent bug found in SSSD (BZ#1566782).   This has not been
fixed upstream in SSSD yet, but should be soon once more
testing/verification is done.
>
> Thank you
> Bart
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