Source
x
for (my $count = $linenr; $count <= $lc; $count++) {
my $specifier;
my $extension;
my $bad_specifier = "";
my $fmt = get_quoted_string($lines[$count - 1], raw_line($count, 0));
$fmt =~ s/%%//g;
while ($fmt =~ /(\%[\*\d\.]*p(\w))/g) {
$specifier = $1;
$extension = $2;
if ($extension !~ /[SsBKRraEhMmIiUDdgVCbGNOx]/) {
if ($extension !~ /[SsBKRraEhMmIiUDdgVCbGNOxt]/) {
$bad_specifier = $specifier;
last;
}
if ($extension eq "x" && !defined($stat_real)) {
if (!defined($stat_real)) {
$stat_real = get_stat_real($linenr, $lc);
}
WARN("VSPRINTF_SPECIFIER_PX",
"Using vsprintf specifier '\%px' potentially exposes the kernel memory layout, if you don't really need the address please consider using '\%p'.\n" . "$here\n$stat_real\n");
}