Description of problem:

polkit-0.112-9.el7.x86_64

$ pkcheck -a org.freedesktop.policykit.exec -p $$ -u --enable-internal-agent==== AUTHENTICATING FOR org.freedesktop.policykit.exec ===
Authentication is required to run a program as another user
Authenticating as: karel
Password: 

Now press Ctrl+D which results in

** (pkcheck:3156): ERROR **: Got unexpected EOF while reading from controlling terminal.
polkit-agent-helper-1: pam_authenticate failed: Authentication failure
Trace/breakpoint trap (core dumped)


(gdb) bt full
#0  g_logv (log_domain=0x0, log_level=G_LOG_LEVEL_ERROR, format=<optimized out>, 
    args=args@entry=0x7f82dbff4600) at gmessages.c:1086
        domain = 0x0
        data = 0x0
        depth = 0
        log_func = 0x7f82e02dcde0 <g_log_default_handler>
        domain_fatal_mask = <optimized out>
        masquerade_fatal = <optimized out>
        test_level = <optimized out>
        was_fatal = <optimized out>
        was_recursion = <optimized out>
        msg = 0x7f82d0002990 "Got unexpected EOF while reading from controlling terminal."
        msg_alloc = 0x7f82d0002990 "Got unexpected EOF while reading from controlling terminal."
        i = 2
#1  0x00007f82e02dd7bf in g_log (log_domain=log_domain@entry=0x0, 
    log_level=log_level@entry=G_LOG_LEVEL_ERROR, 
    format=format@entry=0x7f82e081bde8 "Got unexpected EOF while reading from controlling terminal.")
    at gmessages.c:1119
        args = {{gp_offset = 24, fp_offset = 48, overflow_arg_area = 0x7f82dbff46e0, 
            reg_save_area = 0x7f82dbff4620}}
#2  0x00007f82e081ab0f in on_request (session=0x7f82d4005300, request=<optimized out>, 
    echo_on=<optimized out>, user_data=<optimized out>) at polkitagenttextlistener.c:289
        c = <optimized out>
        listener = 0x7f82e2a98980
        ts = {c_iflag = 1280, c_oflag = 5, c_cflag = 191, c_lflag = 35331, c_line = 0 '\000', 
          c_cc = "\003\034\177\025\004\000\001\000\021\023\032\000\022\017\027\026", '\000' <repeats 15 times>, c_ispeed = 15, c_ospeed = 15}
        ots = {c_iflag = 1280, c_oflag = 5, c_cflag = 191, c_lflag = 35387, c_line = 0 '\000', 
          c_cc = "\003\034\177\025\004\000\001\000\021\023\032\000\022\017\027\026", '\000' <repeats 15 times>, c_ispeed = 15, c_ospeed = 15}
        str = 0x7f82d0001d40
---Type <return> to continue, or q <return> to quit---
#3  0x00007f82e05d3908 in g_closure_invoke (closure=0x7f82d0006740, return_value=return_value@entry=0x0, 
    n_param_values=3, param_values=param_values@entry=0x7f82dbff4920, 
    invocation_hint=invocation_hint@entry=0x7f82dbff48c0) at gclosure.c:801
        marshal = 0x7f82e08180a0 <_polkit_agent_marshal_VOID__STRING_BOOLEAN>
        marshal_data = 0x0
        in_marshal = 0
        real_closure = 0x7f82d0006720
        __FUNCTION__ = "g_closure_invoke"
#4  0x00007f82e05e5a1d in signal_emit_unlocked_R (node=node@entry=0x7f82d00063b0, detail=detail@entry=0, 
    instance=instance@entry=0x7f82d4005300, emission_return=emission_return@entry=0x0, 
    instance_and_params=instance_and_params@entry=0x7f82dbff4920) at gsignal.c:3627
        tmp = <optimized out>
        handler = 0x7f82d4003d80
        accumulator = 0x0
        emission = {next = 0x0, instance = 0x7f82d4005300, ihint = {signal_id = 8, detail = 0, 
            run_type = G_SIGNAL_RUN_FIRST}, state = EMISSION_RUN, chain_type = 4}
        class_closure = 0x0
        handler_list = 0x7f82d4003d80
        return_accu = 0x0
        accu = {g_type = 0, data = {{v_int = 0, v_uint = 0, v_long = 0, v_ulong = 0, v_int64 = 0, 
              v_uint64 = 0, v_float = 0, v_double = 0, v_pointer = 0x0}, {v_int = 0, v_uint = 0, v_long = 0, 
              v_ulong = 0, v_int64 = 0, v_uint64 = 0, v_float = 0, v_double = 0, v_pointer = 0x0}}}
        signal_id = 8
        max_sequential_handler_number = 17
        return_value_altered = 0
#5  0x00007f82e05edab1 in g_signal_emit_valist (instance=instance@entry=0x7f82d4005300, 
    signal_id=signal_id@entry=8, detail=detail@entry=0, var_args=var_args@entry=0x7f82dbff4b48)
    at gsignal.c:3383
        instance_and_params = 0x7f82dbff4920
        signal_return_type = <optimized out>
        param_values = 0x7f82dbff4938
---Type <return> to continue, or q <return> to quit---
        node = <optimized out>
        i = <optimized out>
        n_params = <optimized out>
        __FUNCTION__ = "g_signal_emit_valist"
#6  0x00007f82e05ee2e8 in g_signal_emit_by_name (instance=instance@entry=0x7f82d4005300, 
    detailed_signal=detailed_signal@entry=0x7f82e081aeb2 "request") at gsignal.c:3479
        var_args = {{gp_offset = 32, fp_offset = 48, overflow_arg_area = 0x7f82dbff4c80, 
            reg_save_area = 0x7f82dbff4b90}}
        detail = 0
        signal_id = 8
        itype = 140199812154480
        __FUNCTION__ = "g_signal_emit_by_name"
#7  0x00007f82e08189e2 in io_watch_have_data (channel=<optimized out>, condition=G_IO_IN, 
    user_data=<optimized out>) at polkitagentsession.c:483
        s = <optimized out>
        session = 0x7f82d4005300
        line = 0x7f82d0002810 "PAM_PROMPT_ECHO_OFF Password: "
        unescaped = 0x7f82d0002920 "PAM_PROMPT_ECHO_OFF Password: "
        error = 0x0
#8  0x00007f82e02d6d7a in g_main_dispatch (context=0x7f82d0001500) at gmain.c:3152
        dispatch = 0x7f82e0319d30 <g_io_unix_dispatch>
        prev_source = 0x0
        was_in_call = 0
        user_data = 0x7f82d4005300
        callback = 0x7f82e0818810 <io_watch_have_data>
        cb_funcs = 0x7f82e05c28c0 <g_source_callback_funcs>
        cb_data = 0x7f82d0007a30
        need_destroy = <optimized out>
        source = 0x7f82d0007990
        current = 0x7f82d0001100
        i = 0
---Type <return> to continue, or q <return> to quit---
#9  g_main_context_dispatch (context=context@entry=0x7f82d0001500) at gmain.c:3767
No locals.
#10 0x00007f82e02d70b8 in g_main_context_iterate (context=0x7f82d0001500, block=block@entry=1, 
    dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3838
        max_priority = 2147483647
        timeout = -1
        some_ready = 1
        nfds = <optimized out>
        allocated_nfds = 2
        fds = 0x7f82d00017e0
#11 0x00007f82e02d738a in g_main_loop_run (loop=0x7f82d00010e0) at gmain.c:4032
        __FUNCTION__ = "g_main_loop_run"
#12 0x00007f82e08193b4 in server_thread_func (user_data=0x7f82e2aad030) at polkitagentlistener.c:361
        server = 0x7f82e2aad030
#13 0x00007f82e02fc0f5 in g_thread_proxy (data=0x7f82e2aaa800) at gthread.c:778
        thread = 0x7f82e2aaa800
#14 0x00007f82e0078dc5 in start_thread (arg=0x7f82dbff5700) at pthread_create.c:308
        __res = <optimized out>
        pd = 0x7f82dbff5700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140200013420288, 3112830144382713697, 0, 
                140200013420992, 140200013420288, 140200125321264, -3154972231951499423, 
                -3154984255800131743}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {
              prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#15 0x00007f82dfda773d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113
No locals.