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tests: disable ASLR for t_trace_ub_misaligned_address (#5075)

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This works around an address-sanitizer bug hit with some GCC versions
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Geza Lore 2024-04-29 15:38:00 +01:00 committed by GitHub
parent d1b45b8d32
commit 72b96d5069
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2 changed files with 22 additions and 0 deletions
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21
test_regress/driver.pl
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@ -1606,6 +1606,19 @@ sub cmake_version {
return version->declare($cmake_version);
}
our $_aslr_off = undef;
sub aslr_off {
if (!defined($_aslr_off)) {
my $ok = `setarch --addr-no-randomize echo ok 2>/dev/null` || "";
if ($ok =~ /ok/) {
$_aslr_off = "setarch --addr-no-randomize ";
} else {
$_aslr_off = "";
}
}
return $_aslr_off;
}
sub trace_filename {
my $self = shift;
return "$self->{obj_dir}/simx.fst" if $self->{trace_format} =~ /^fst/;
@ -1670,6 +1683,7 @@ sub _run {
my $self = (ref $_[0] ? shift : $Self);
my %param = (tee => 1,
# cmd => [...]
# aslr_off => # Disable address space layour randomization
# check_finished => 0 # Check for All Finished
# entering => # Print entering directory information
# expect => # Regexp to expect in output
@ -1680,6 +1694,13 @@ sub _run {
@_); # All legal arguments shown immediately above
my $command = join(' ', @{$param{cmd}});
if ($param{aslr_off}) {
if (my $prefix = aslr_off()) {
$command = "$prefix $command";
}
}
$command = "time $command" if $opt_benchmark && $command !~ /^cd /;
if ($param{verilator_run}) {

1
test_regress/t/t_trace_ub_misaligned_address.pl
View File

@ -20,6 +20,7 @@ compile(
execute(
check_finished => 1,
aslr_off => 1, # Some GCC versions hit an address-sanitizer bug otherwise
);
# Make sure that there are no additional messages (such as runtime messages