I have this chased down to the following line:
Line 256 in support.c
retval = krb5_get_init_creds_password(ctx->context,
&creds, ctx->princ, pass, pamk5_prompter_krb5,
ctx->pamh, 0, in_tkt_service, &opts);
I believe the krb5_get_init_creds_password call is returning some
invalid code ( -1765328360 doesnt sound like a realistic retval
considering the other values )
This then gets passed to krb5_compat_get_err_text at logging.c [81]
which ultimately passes it off to heimdal codes (where I lose the plot on
tracking it)
compat_heimdal.c[26]
23 const char *
24 pamk5_compat_get_err_text(krb5_context c, krb5_error_code code)
25 {
26 return krb5_get_err_text(c, code);
27 }
Which produces the segfault (presumably because it doesnt like the value
passed).
Now to go find someone who knows the heimdal stuff enough to point me in
the right direction there...
In the meantime, I've cheated and masked the problem by swapping retval
for what appears to be a valid error code. Thats a cheap hack, but I
need it to not segfault right now :P
--
general protection fault in libpam-heimdal/sshd
https://bugs.launchpad.net/bugs/235170
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