Geforce File Manager

NAME	SIZE	ACTIONS
📁 basic		[ DEL ]
📁 clang-tools		[ DEL ]
📁 coccinelle		[ DEL ]
📁 dtc		[ DEL ]
📁 gcc-plugins		[ DEL ]
📁 gdb		[ DEL ]
📁 genksyms		[ DEL ]
📁 kconfig		[ DEL ]
📁 ksymoops		[ DEL ]
📁 mod		[ DEL ]
📁 package		[ DEL ]
📁 selinux		[ DEL ]
📄 Kbuild.include	15,468 B	[ EDIT ] \| [ DEL ]
📄 Kconfig.include	1,173 B	[ EDIT ] \| [ DEL ]
📄 Lindent	502 B	[ EDIT ] \| [ DEL ]
📄 Makefile	1,741 B	[ EDIT ] \| [ DEL ]
📄 Makefile.asm-generic	1,193 B	[ EDIT ] \| [ DEL ]
📄 Makefile.build	19,707 B	[ EDIT ] \| [ DEL ]
📄 Makefile.clean	2,883 B	[ EDIT ] \| [ DEL ]
📄 Makefile.dtbinst	1,116 B	[ EDIT ] \| [ DEL ]
📄 Makefile.extrawarn	2,770 B	[ EDIT ] \| [ DEL ]
📄 Makefile.gcc-plugins	1,861 B	[ EDIT ] \| [ DEL ]
📄 Makefile.headersinst	4,079 B	[ EDIT ] \| [ DEL ]
📄 Makefile.host	6,520 B	[ EDIT ] \| [ DEL ]
📄 Makefile.kasan	1,679 B	[ EDIT ] \| [ DEL ]
📄 Makefile.kcov	319 B	[ EDIT ] \| [ DEL ]
📄 Makefile.kcsan	118 B	[ EDIT ] \| [ DEL ]
📄 Makefile.lib	15,535 B	[ EDIT ] \| [ DEL ]
📄 Makefile.modbuiltin	1,717 B	[ EDIT ] \| [ DEL ]
📄 Makefile.modinst	1,149 B	[ EDIT ] \| [ DEL ]
📄 Makefile.modpost	5,430 B	[ EDIT ] \| [ DEL ]
📄 Makefile.modsign	897 B	[ EDIT ] \| [ DEL ]
📄 Makefile.ubsan	951 B	[ EDIT ] \| [ DEL ]
📄 adjust_autoksyms.sh	3,010 B	[ EDIT ] \| [ DEL ]
📄 asn1_compiler	28,008 B	[ EDIT ] \| [ DEL ]
📄 asn1_compiler.c	36,391 B	[ EDIT ] \| [ DEL ]
📄 bin2c	7,024 B	[ EDIT ] \| [ DEL ]
📄 bin2c.c	743 B	[ EDIT ] \| [ DEL ]
📄 bloat-o-meter	3,313 B	[ EDIT ] \| [ DEL ]
📄 bootgraph.pl	6,426 B	[ EDIT ] \| [ DEL ]
📄 bpf_doc.py	25,515 B	[ EDIT ] \| [ DEL ]
📄 cc-can-link.sh	166 B	[ EDIT ] \| [ DEL ]
📄 check_00index.sh	1,333 B	[ EDIT ] \| [ DEL ]
📄 check_extable.sh	5,049 B	[ EDIT ] \| [ DEL ]
📄 checkincludes.pl	1,984 B	[ EDIT ] \| [ DEL ]
📄 checkkconfigsymbols.py	15,895 B	[ EDIT ] \| [ DEL ]
📄 checkpatch.pl	197,173 B	[ EDIT ] \| [ DEL ]
📄 checkstack.pl	5,303 B	[ EDIT ] \| [ DEL ]
📄 checksyscalls.sh	7,094 B	[ EDIT ] \| [ DEL ]
📄 checkversion.pl	1,938 B	[ EDIT ] \| [ DEL ]
📄 clang-version.sh	635 B	[ EDIT ] \| [ DEL ]
📄 cleanfile	3,538 B	[ EDIT ] \| [ DEL ]
📄 cleanpatch	5,178 B	[ EDIT ] \| [ DEL ]
📄 coccicheck	7,407 B	[ EDIT ] \| [ DEL ]
📄 config	4,635 B	[ EDIT ] \| [ DEL ]
📄 conmakehash	11,616 B	[ EDIT ] \| [ DEL ]
📄 conmakehash.c	6,128 B	[ EDIT ] \| [ DEL ]
📄 const_structs.checkpatch	964 B	[ EDIT ] \| [ DEL ]
📄 decode_stacktrace.sh	3,834 B	[ EDIT ] \| [ DEL ]
📄 decodecode	2,525 B	[ EDIT ] \| [ DEL ]
📄 depmod.sh	1,119 B	[ EDIT ] \| [ DEL ]
📄 diffconfig	3,821 B	[ EDIT ] \| [ DEL ]
📄 documentation-file-ref-check	3,548 B	[ EDIT ] \| [ DEL ]
📄 export_report.pl	4,654 B	[ EDIT ] \| [ DEL ]
📄 extract-cert	11,616 B	[ EDIT ] \| [ DEL ]
📄 extract-cert.c	3,541 B	[ EDIT ] \| [ DEL ]
📄 extract-ikconfig	1,734 B	[ EDIT ] \| [ DEL ]
📄 extract-module-sig.pl	3,742 B	[ EDIT ] \| [ DEL ]
📄 extract-sys-certs.pl	3,832 B	[ EDIT ] \| [ DEL ]
📄 extract-vmlinux	1,725 B	[ EDIT ] \| [ DEL ]
📄 extract_xc3028.pl	45,665 B	[ EDIT ] \| [ DEL ]
📄 faddr2line	6,303 B	[ EDIT ] \| [ DEL ]
📄 file-size.sh	86 B	[ EDIT ] \| [ DEL ]
📄 find-unused-docs.sh	1,310 B	[ EDIT ] \| [ DEL ]
📄 gcc-goto.sh	530 B	[ EDIT ] \| [ DEL ]
📄 gcc-ld	711 B	[ EDIT ] \| [ DEL ]
📄 gcc-plugin.sh	1,090 B	[ EDIT ] \| [ DEL ]
📄 gcc-version.sh	857 B	[ EDIT ] \| [ DEL ]
📄 gcc-x86_32-has-stack-protector.sh	173 B	[ EDIT ] \| [ DEL ]
📄 gcc-x86_64-has-stack-protector.sh	198 B	[ EDIT ] \| [ DEL ]
📄 gen_initramfs_list.sh	8,224 B	[ EDIT ] \| [ DEL ]
📄 get_dvb_firmware	25,824 B	[ EDIT ] \| [ DEL ]
📄 get_maintainer.pl	67,369 B	[ EDIT ] \| [ DEL ]
📄 gfp-translate	1,752 B	[ EDIT ] \| [ DEL ]
📄 headerdep.pl	3,582 B	[ EDIT ] \| [ DEL ]
📄 headers.sh	512 B	[ EDIT ] \| [ DEL ]
📄 headers_check.pl	3,815 B	[ EDIT ] \| [ DEL ]
📄 headers_install.sh	1,397 B	[ EDIT ] \| [ DEL ]
📄 insert-sys-cert.c	9,084 B	[ EDIT ] \| [ DEL ]
📄 kallsyms	19,992 B	[ EDIT ] \| [ DEL ]
📄 kallsyms.c	18,580 B	[ EDIT ] \| [ DEL ]
📄 kernel-doc	62,560 B	[ EDIT ] \| [ DEL ]
📄 ld-version.sh	269 B	[ EDIT ] \| [ DEL ]
📄 leaking_addresses.pl	13,160 B	[ EDIT ] \| [ DEL ]
📄 link-vmlinux.sh	9,176 B	[ EDIT ] \| [ DEL ]
📄 makelst	808 B	[ EDIT ] \| [ DEL ]
📄 markup_oops.pl	8,273 B	[ EDIT ] \| [ DEL ]
📄 mkcompile_h	2,628 B	[ EDIT ] \| [ DEL ]
📄 mkmakefile	1,218 B	[ EDIT ] \| [ DEL ]
📄 mksysmap	1,359 B	[ EDIT ] \| [ DEL ]
📄 mkuboot.sh	414 B	[ EDIT ] \| [ DEL ]
📄 module-common.lds	901 B	[ EDIT ] \| [ DEL ]
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📄 namespace.pl	13,358 B	[ EDIT ] \| [ DEL ]
📄 objdiff	2,917 B	[ EDIT ] \| [ DEL ]
📄 parse-maintainers.pl	4,646 B	[ EDIT ] \| [ DEL ]
📄 patch-kernel	10,185 B	[ EDIT ] \| [ DEL ]
📄 pnmtologo	15,720 B	[ EDIT ] \| [ DEL ]
📄 pnmtologo.c	12,197 B	[ EDIT ] \| [ DEL ]
📄 profile2linkerlist.pl	410 B	[ EDIT ] \| [ DEL ]
📄 prune-kernel	708 B	[ EDIT ] \| [ DEL ]
📄 recordmcount	24,008 B	[ EDIT ] \| [ DEL ]
📄 recordmcount.c	17,062 B	[ EDIT ] \| [ DEL ]
📄 recordmcount.h	16,772 B	[ EDIT ] \| [ DEL ]
📄 recordmcount.pl	18,709 B	[ EDIT ] \| [ DEL ]
📄 setlocalversion	4,013 B	[ EDIT ] \| [ DEL ]
📄 show_delta	3,076 B	[ EDIT ] \| [ DEL ]
📄 sign-file	15,768 B	[ EDIT ] \| [ DEL ]
📄 sign-file.c	9,994 B	[ EDIT ] \| [ DEL ]
📄 sortextable	15,712 B	[ EDIT ] \| [ DEL ]
📄 sortextable.c	10,411 B	[ EDIT ] \| [ DEL ]
📄 sortextable.h	5,614 B	[ EDIT ] \| [ DEL ]
📄 spelling.txt	25,611 B	[ EDIT ] \| [ DEL ]
📄 sphinx-pre-install	14,378 B	[ EDIT ] \| [ DEL ]
📄 split-man.pl	600 B	[ EDIT ] \| [ DEL ]
📄 stackdelta	1,883 B	[ EDIT ] \| [ DEL ]
📄 stackusage	794 B	[ EDIT ] \| [ DEL ]
📄 subarch.include	641 B	[ EDIT ] \| [ DEL ]
📄 tags.sh	9,789 B	[ EDIT ] \| [ DEL ]
📄 test_fortify.sh	2,281 B	[ EDIT ] \| [ DEL ]
📄 unifdef	36,192 B	[ EDIT ] \| [ DEL ]
📄 unifdef.c	35,637 B	[ EDIT ] \| [ DEL ]
📄 ver_linux	2,747 B	[ EDIT ] \| [ DEL ]
📄 xen-hypercalls.sh	386 B	[ EDIT ] \| [ DEL ]
📄 xz_wrap.sh	562 B	[ EDIT ] \| [ DEL ]

[ CLOSE ]

EDIT: check_extable.sh

#! /bin/bash
# SPDX-License-Identifier: GPL-2.0
# (c) 2015, Quentin Casasnovas <quentin.casasnovas@oracle.com>

obj=$1

file ${obj} | grep -q ELF || (echo "${obj} is not and ELF file." 1>&2 ; exit 0)

# Bail out early if there isn't an __ex_table section in this object file.
objdump -hj __ex_table ${obj} 2> /dev/null > /dev/null
[ $? -ne 0 ] && exit 0

white_list=.text,.fixup

suspicious_relocs=$(objdump -rj __ex_table ${obj}  | tail -n +6 |
			grep -v $(eval echo -e{${white_list}}) | awk '{print $3}')

# No suspicious relocs in __ex_table, jobs a good'un
[ -z "${suspicious_relocs}" ] && exit 0

# After this point, something is seriously wrong since we just found out we
# have some relocations in __ex_table which point to sections which aren't
# white listed.  If you're adding a new section in the Linux kernel, and
# you're expecting this section to contain code which can fault (i.e. the
# __ex_table relocation to your new section is expected), simply add your
# new section to the white_list variable above.  If not, you're probably
# doing something wrong and the rest of this code is just trying to print
# you more information about it.

function find_section_offset_from_symbol()
{
    eval $(objdump -t ${obj} | grep ${1} | sed 's/$[0-9a-f]\+$ .\{7\} $[^ \t]\+$.*/section="\2"; section_offset="0x\1" /')

# addr2line takes addresses in hexadecimal...
    section_offset=$(printf "0x%016x" $(( ${section_offset} + $2 )) )
}

function find_symbol_and_offset_from_reloc()
{
    # Extract symbol and offset from the objdump output
    eval $(echo $reloc | sed 's/$[^+]\+$+\?$0x[0-9a-f]\+$\?/symbol="\1"; symbol_offset="\2"/')

# When the relocation points to the begining of a symbol or section, it
    # won't print the offset since it is zero.
    if [ -z "${symbol_offset}" ]; then
	symbol_offset=0x0
    fi
}

function find_alt_replacement_target()
{
    # The target of the .altinstr_replacement is the relocation just before
    # the .altinstr_replacement one.
    eval $(objdump -rj .altinstructions ${obj} | grep -B1 "${section}+${section_offset}" | head -n1 | awk '{print $3}' |
	   sed 's/$[^+]\+$+$0x[0-9a-f]\+$/alt_target_section="\1"; alt_target_offset="\2"/')
}

function handle_alt_replacement_reloc()
{
    # This will define alt_target_section and alt_target_section_offset
    find_alt_replacement_target ${section} ${section_offset}

echo "Error: found a reference to .altinstr_replacement in __ex_table:"
    addr2line -fip -j ${alt_target_section} -e ${obj} ${alt_target_offset} | awk '{print "\t" $0}'

error=true
}

function is_executable_section()
{
    objdump -hwj ${section} ${obj} | grep -q CODE
    return $?
}

function handle_suspicious_generic_reloc()
{
    if is_executable_section ${section}; then
	# We've got a relocation to a non white listed _executable_
	# section, print a warning so the developper adds the section to
	# the white list or fix his code.  We try to pretty-print the file
	# and line number where that relocation was added.
	echo "Warning: found a reference to section \"${section}\" in __ex_table:"
	addr2line -fip -j ${section} -e ${obj} ${section_offset} | awk '{print "\t" $0}'
    else
	# Something is definitively wrong here since we've got a relocation
	# to a non-executable section, there's no way this would ever be
	# running in the kernel.
	echo "Error: found a reference to non-executable section \"${section}\" in __ex_table at offset ${section_offset}"
	error=true
    fi
}

function diagnose()
{

for reloc in ${suspicious_relocs}; do
	# Let's find out where the target of the relocation in __ex_table
	# is, this will define ${symbol} and ${symbol_offset}
	find_symbol_and_offset_from_reloc ${reloc}

# When there's a global symbol at the place of the relocation,
	# objdump will use it instead of giving us a section+offset, so
	# let's find out which section is this symbol in and the total
	# offset withing that section.
	find_section_offset_from_symbol ${symbol} ${symbol_offset}

# In this case objdump was presenting us with a reloc to a symbol
	# rather than a section. Now that we've got the actual section,
	# we can skip it if it's in the white_list.
	if [ -z "$( echo $section | grep -v $(eval echo -e{${white_list}}))" ]; then
	    continue;
	fi

# Will either print a warning if the relocation happens to be in a
	# section we do not know but has executable bit set, or error out.
	handle_suspicious_reloc
    done
}

function check_debug_info() {
    objdump -hj .debug_info ${obj} 2> /dev/null > /dev/null ||
	echo -e "${obj} does not contain debug information, the addr2line output will be limited.\n" \
	     "Recompile ${obj} with CONFIG_DEBUG_INFO to get a more useful output."
}

check_debug_info

diagnose

if [ "${error}" ]; then
    exit 1
fi

exit 0