[Pkg-samba-maint] Bug#732342: samba-libs: hdb_samba4.so broken

Modestas Vainius modax at debian.org
Mon Dec 16 23:31:46 UTC 2013

Package: samba-libs
Version: 2:4.0.13+dfsg-1
Severity: serious


as far as I can tell, all samba >= 2:4.0.12+dfsg-1 versions have broken 
hdb_samba4.so. I.e. samba-tool domain exportkeytab SEGFAULTs and I'm able
to remotely crash samba daemon process with some simple msktutil magic. I was 
not able to get proper a backtrace from 4.0.13 version (corrupted stack) but 
e.g. `samba -M single -i -d 10` dies right after UDP packet from msktutil is 
received (just after "Starting GENSEC mechanism krb5" is printed in the 

I guess that 26_heimdal_compat patch is incomplete or broken but I cannot 
confirm that. Downgrading samba to 4.0.11 and heimdal to 
1.6~git20120403+dfsg1-2 makes it work again.

Tested on up-to-date testing.
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