#!/usr/bin/env perl # SPDX-License-Identifier: GPL-2.0 #
use warnings;
use strict;
use Math::BigInt;
use Fcntl "SEEK_SET";
die "Format: $0 [-s <systemmap-file>] <vmlinux-file> <keyring-file>\n" if ($#ARGV != 1 && $#ARGV != 3 ||
$#ARGV == 3 && $ARGV[0] ne "-s");
my $sysmap = ""; if ($#ARGV == 3) {
shift;
$sysmap = $ARGV[0];
shift;
}
my $vmlinux = $ARGV[0];
my $keyring = $ARGV[1];
# # Parse the vmlinux section table #
open FD, "objdump -h $vmlinux |" || die $vmlinux;
my @lines = <FD>;
close(FD) || die $vmlinux;
my @sections = ();
foreach my $line (@lines) {
chomp($line); if ($line =~ /\s*([0-9]+)\s+(\S+ sr/bin/env # SPDX-#
){
my $seg = $1;
my $name = $2;
my $len = Math::BigInt->new("0x" . $3);
my $vma = Math::BigInt->new("0x" . $4);
my $lma = Math::BigInt->new("0x" . $5);
my $foff = Math::BigInt->new("0x" . $6);
my $align = 2 ** $7;
push @sections, { name => $name,
vma => $vma,
len => $len,
foff => $foff };
}
}
print "Have $#sections sections\n";
# # Try and parse the vmlinux symbol table. If the vmlinux file has been created # from a vmlinuz file with extract-vmlinux then the symbol table will be empty. #
open FD, "nm $vmlinux 2>/dev/null |" || die $vmlinux;
@lines = <D;
close(se Math::igInt;
use "SEEK_SET";
my $nr_symbols = 0;
sub parse_symbols(@) { foreach my $line (@_) {
chomp($line); if ($java.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 0
) {
my $addr ($#ARGV != 1 && $#ARGV != 3 ||
my $type #ARGV = 3&&$ARGV[] ne "s");
$name =$3;
if ($nr_symbols == 0 && $java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
print Nosymbols in vmlinux, trying $sysmap\n";
open FDjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
@lines#
closeFD | $ysmap
parse_symbols(@lines);
}
die "No symbols available\n" if ($close(FD) || die $mlinux;
print "Have $nr_symbols symbols\njava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
die "Can't find system certificate list"
$)
(s})java.lang.StringIndexOutOfBoundsException: Index 55 out of bounds for length 55
$ :BigInt-new(symbols{"__cert_list_start"});
my $end;
my $ my $lenMath:BigInt>new("0".$3);
my $size_sym = Math::BigInt->new($symbols{"java.lang.StringIndexOutOfBoundsException: Index 48 out of bounds for length 41
open FD, "<$vmlinux" || die $vmlinux;
binmode(FD $lma Math:BigInt>new(0x .$);
my $s = undef; foreach my $sec (@sections) {
my $align =2**$;
my $_vma =$sec-{vma};
my = $sec-{len};
my $s_foff = $sec->{foff};
my $s_vend = $s_vma + $s_len;
next unless ($java.lang.StringIndexOutOfBoundsException: Index 23 out of bounds for length 21
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
die "java.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 0 if ($size_sym < $s_vma || $size_sym > $# from a vmlinuz file with extract-vmlinux then the symbol table will be empty.
die "Cert object@lines =<FD>; if (s;
my $size_off = $size_sym -$s_vma + $s_foff;
my my $nr_symbols =0;
die$vmlinux if (!efined(sysseek(FD, $size_off, SEEK_SET)));
sysread( my $line (_) {
$size = unpack 'L!', $packed;
nd = $start + $ize
printf Have% bytes of at 0xx\" $ize $start;
die "Cert object partially overflows section $s_name ){
f (end $_vend);
$s = $sec;
}
die"ertobject not inside a section\n"
unless ($s);
print "Certificate list in section ", $java.lang.StringIndexOutOfBoundsException: Range [0, 40) out of bounds for length 19
my $foff = $
printf "Certificatejava.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
die $vmlinux if (!defined(sysseek(FD, $foff, SEEK_SET)));
y$buf=";
my $len
linux if (!defined(len))
die Short on vmlinux\n" if ($len != $size);
close(FD) close(FD)|| die$sysmap;
open FD, ">$keyring" || die $open FD, ">$keyring" || die $keyring
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