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# The client fails to use sendsyslog syscall due to bad address.
# The client writes one message wiht sendsyslog.
# The syslogd passes it via UDP to the loghost.
# The server receives the message on its UDP socket.
# Find the message in client, file, pipe, syslogd, server log.
# Create a ktrace dump of the client and check that sendsyslog(2) failed.
# Check that there is no kernel dropped message.
use strict;
use warnings;
use Errno ':POSIX';
require 'sys/syscall.ph';
my $errno = EFAULT;
$! = $errno;
my $error = $!;
my $kerngrep = qr/sendsyslog: dropped \d+ messages?/;
our %args = (
client => {
connect => { domain => "sendsyslog" },
func => sub {
my $self = shift;
# bad system call, NULL pointer as message
syscall(&SYS_sendsyslog, 0, 42, 0) != -1
or warn ref($self), " sendsyslog NULL failed: $!";
write_log($self);
},
ktrace => {
qr/CALL (\(via syscall\) )?sendsyslog\(/ => 3,
qr/RET sendsyslog -1 errno $errno / => 1,
},
loggrep => {
get_firstlog() => 0,
qr/Client sendsyslog NULL failed: $error/ => 1,
get_testgrep() => 1,
},
},
syslogd => {
loggrep => {
qr/msg $kerngrep/ => 0,
get_testgrep() => 1,
},
},
server => {
loggrep => {
$kerngrep => 0,
get_testgrep() => 1,
},
},
file => {
loggrep => {
$kerngrep => 0,
get_testgrep() => 1,
},
},
);
1;
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