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Masahiro Yamada 89c2ba9ce4
BACKPORT: UPSTREAM: kbuild: rename cmd_{bzip2,lzma,lzo,lz4,xzkern,zstd22} 
GZIP-compressed files end with 4 byte data that represents the size
of the original input. The decompressors (the self-extracting kernel)
exploit it to know the vmlinux size beforehand. To mimic the GZIP's
trailer, Kbuild provides cmd_{bzip2,lzma,lzo,lz4,xzkern,zstd22}.
Unfortunately these macros are used everywhere despite the appended
size data is only useful for the decompressors.

There is no guarantee that such hand-crafted trailers are safely ignored.
In fact, the kernel refuses compressed initramdfs with the garbage data.
That is why usr/Makefile overrides size_append to make it no-op.

To limit the use of such broken compressed files, this commit renames
the existing macros as follows:

  cmd_bzip2   --> cmd_bzip2_with_size
  cmd_lzma    --> cmd_lzma_with_size
  cmd_lzo     --> cmd_lzo_with_size
  cmd_lz4     --> cmd_lz4_with_size
  cmd_xzkern  --> cmd_xzkern_with_size
  cmd_zstd22  --> cmd_zstd22_with_size

To keep the decompressors working, I updated the following Makefiles
accordingly:

  arch/arm/boot/compressed/Makefile
  arch/h8300/boot/compressed/Makefile
  arch/mips/boot/compressed/Makefile
  arch/parisc/boot/compressed/Makefile
  arch/s390/boot/compressed/Makefile
  arch/sh/boot/compressed/Makefile
  arch/x86/boot/compressed/Makefile

I reused the current macro names for the normal usecases; they produce
the compressed data in the proper format.

I did not touch the following:

  arch/arc/boot/Makefile
  arch/arm64/boot/Makefile
  arch/csky/boot/Makefile
  arch/mips/boot/Makefile
  arch/riscv/boot/Makefile
  arch/sh/boot/Makefile
  kernel/Makefile

This means those Makefiles will stop appending the size data.

I dropped the 'override size_append' hack from usr/Makefile.

Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Reviewed-by: Nicolas Schier <n.schier@avm.de>

Bug: 135791357
(cherry picked from commit 7ce7e984ab2b218d6e92d5165629022fe2daf9ee
 https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master)
Change-Id: I3524909ef3daab85f7d22afdebc2e5bbfd5e5cf3
[szuweilin: Resolved the conflict about non-existing zstd22 in arch/s390/boot/compressed/Makefile]
Signed-off-by: SzuWei Lin <szuweilin@google.com>
(cherry picked from commit dd18c291f9a958a1e285ce0e84ec6b5879fe10ab)
2024-05-08 03:00:11 +03:00
..
atomic Merge branch 'kcsan' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu into locking/core 2020-10-09 08:56:02 +02:00
basic cc-wrapper: Resolve possible buffer overflow 2022-04-06 08:35:31 -07:00
clang-tools scripts: handle BrokenPipeError for python scripts 2023-03-17 08:45:15 +01:00
coccinelle Merge branch 'for-5.10' of git://git.kernel.org/pub/scm/linux/kernel/git/jlawall/linux 2020-10-18 14:20:35 -07:00
dtc scripts/dtc: Call pkg-config POSIXly correct 2022-04-08 14:40:15 +02:00
dummy-tools kbuild: check the minimum assembler version in Kconfig 2023-04-20 12:10:28 +02:00
gcc-plugins gcc-plugins: Reorganize gimple includes for GCC 13 2023-06-14 11:09:30 +02:00
gdb scripts/gdb: fix lx-timerlist for Python3 2023-05-17 11:48:06 +02:00
genksyms genksyms: keywords: Use __restrict not _restrict 2020-08-18 20:16:46 +09:00
kconfig Merge keystone/android12-5.10-keystone-qcom-release.198+ (0ebfe67) into msm-5.10 2023-12-05 16:20:08 +05:30
ksymoops
mod This is the 5.10.198 stable release 2023-10-26 17:54:46 +00:00
package builddeb: clean generated package content 2023-03-11 16:39:46 +01:00
selinux selinux: use "grep -E" instead of "egrep" 2022-10-26 13:25:17 +02:00
tracing ftrace/scripts: Update the instructions for ftrace-bisect.sh 2023-02-01 08:23:22 +01:00
.gitignore kbuild: preprocess module linker script 2020-09-25 00:36:41 +09:00
adjust_autoksyms.sh UPSTREAM: kbuild: do not include include/config/auto.conf from adjust_autoksyms.sh 2022-11-09 13:57:12 +00:00
as-version.sh kbuild: Switch to 'f' variants of integrated assembler flag 2023-04-20 12:10:28 +02:00
asn1_compiler.c ASN.1: Fix check for strdup() success 2023-04-26 11:27:42 +02:00
bin2c.c
bloat-o-meter scripts: switch explicitly to Python 3 2021-05-22 11:40:55 +02:00
bootgraph.pl
bpf_helpers_doc.py bpf: Add struct bpf_redir_neigh forward declaration to BPF helper defs 2020-10-29 15:19:04 +01:00
cc-can-link.sh
cc-version.sh UPSTREAM: kbuild: collect minimum tool versions into scripts/min-tool-version.sh 2024-05-08 03:00:09 +03:00
check_extable.sh
check-config-debug-exemptions
check-config-perf-exemptions
check-config.py
check-sysctl-docs docs: add a script to check sysctl docs 2020-02-25 03:35:16 -07:00
checkincludes.pl
checkkconfigsymbols.py scripts: handle BrokenPipeError for python scripts 2023-03-17 08:45:15 +01:00
checkpatch.pl Merge android12-5.10.4 (19057a6) into msm-5.10 2021-01-06 08:19:43 -08:00
checkstack.pl scripts/checkstack.pl: fix arm sp regex 2020-05-26 00:03:16 +09:00
checksyscalls.sh
checkversion.pl
cleanfile
cleanpatch
coccicheck scripts: coccicheck: Change default condition for parallelism 2020-10-12 10:37:56 +02:00
config tweewide: Fix most Shebang lines 2021-05-22 11:40:55 +02:00
const_structs.checkpatch const_structs.checkpatch: add pinctrl_ops and pinmux_ops 2020-10-16 11:11:21 -07:00
decode_stacktrace.sh scripts/decode_stacktrace.sh: guess path to vmlinux by release name 2020-08-07 11:33:21 -07:00
decodecode scripts/decodecode: add the capability to supply the program counter 2020-10-13 18:38:26 -07:00
depmod.sh ANDROID: Kbuild: Add support for KBUILD_MIXED_TREE 2021-04-15 10:28:24 +01:00
dev-needs.sh scripts/dev-needs: Add script to list device dependencies 2020-09-04 18:19:37 +02:00
diffconfig scripts: handle BrokenPipeError for python scripts 2023-03-17 08:45:15 +01:00
documentation-file-ref-check scripts: documentation-file-ref-check: Add line break before exit 2020-04-15 15:13:13 -06:00
export_report.pl modpost: move the namespace field in Module.symvers last 2020-03-25 08:25:55 +01:00
extract_xc3028.pl
extract-cert.c Merge 5.10.155 into android12-5.10-lts 2022-12-02 08:40:37 +00:00
extract-ikconfig
extract-module-sig.pl
extract-sys-certs.pl
extract-vmlinux
faddr2line scripts/faddr2line: Fix regression in name resolution on ppc64le 2022-12-08 11:23:54 +01:00
file-size.sh
find-unused-docs.sh scripts/find-unused-docs: Fix massive false positives 2020-02-11 04:35:23 -08:00
gcc-goto.sh
gcc-ld
gcc-x86_32-has-stack-protector.sh
gcc-x86_64-has-stack-protector.sh
gen_autoksyms.sh BACKPORT: kbuild: fix UNUSED_KSYMS_WHITELIST for Clang LTO 2021-06-10 20:26:11 -07:00
gen_ksymdeps.sh kbuild: Fix 'no symbols' warning when CONFIG_TRIM_UNUSD_KSYMS=y 2021-09-18 13:40:16 +02:00
generate_cfi_kallsyms.pl ANDROID: Add missing CFI jump table symbols to kallsyms 2021-05-11 17:56:41 +00:00
generate_initcall_order.pl FROMLIST: init: lto: ensure initcall ordering 2020-12-16 08:56:33 -08:00
get_abi.pl tweewide: Fix most Shebang lines 2021-05-22 11:40:55 +02:00
get_dvb_firmware
get_maintainer.pl get_maintainer: exclude MAINTAINERS file(s) from --git-fallback 2020-10-16 11:11:19 -07:00
gfp-translate
headerdep.pl
headers_check.pl
headers_install.sh Remove msm-5.4 propagated code 2021-01-06 21:45:01 -08:00
insert-sys-cert.c
jobserver-exec docs, parallelism: Rearrange how jobserver reservations are made 2019-11-22 10:35:18 -07:00
kallsyms.c kallsyms: fix nonconverging kallsyms table with lld 2021-02-17 11:02:24 +01:00
Kbuild.include UPSTREAM: kbuild: split cc-option and friends to scripts/Makefile.compiler 2024-05-08 03:00:10 +03:00
Kconfig.include BACKPORT: kbuild: check the minimum linker version in Kconfig 2024-05-08 03:00:08 +03:00
kernel-doc stddef: Introduce struct_group() helper macro 2022-11-25 17:45:54 +01:00
ld-version.sh UPSTREAM: kbuild: collect minimum tool versions into scripts/min-tool-version.sh 2024-05-08 03:00:09 +03:00
leaking_addresses.pl leaking_addresses: Always print a trailing newline 2021-11-18 14:03:57 +01:00
Lindent
link-vmlinux.sh This is the 5.10.151 stable release 2022-11-16 15:33:22 +00:00
Makefile certs: Add ability to preload revocation certs 2021-06-30 08:47:30 -04:00
Makefile.asm-generic BACKPORT: kbuild: prefix $(srctree)/ to some included Makefiles 2024-05-08 03:00:09 +03:00
Makefile.build UPSTREAM: kbuild: split cc-option and friends to scripts/Makefile.compiler 2024-05-08 03:00:10 +03:00
Makefile.clang BACKPORT: scripts/Makefile.clang: default to LLVM_IAS=1 2024-05-08 03:00:11 +03:00
Makefile.clean BACKPORT: kbuild: prefix $(srctree)/ to some included Makefiles 2024-05-08 03:00:09 +03:00
Makefile.compiler UPSTREAM: kbuild: split cc-option and friends to scripts/Makefile.compiler 2024-05-08 03:00:10 +03:00
Makefile.dtbinst BACKPORT: kbuild: prefix $(srctree)/ to some included Makefiles 2024-05-08 03:00:09 +03:00
Makefile.dtbo Makefile.dtbo: Suppress time information for ufdt_apply_overlay 2021-05-21 15:49:12 -07:00
Makefile.extrawarn Makefile.extrawarn: Move -Wcast-function-type-strict to W=1 2022-10-15 07:55:50 +02:00
Makefile.gcc-plugins gcc-plugins: Undefine LATENT_ENTROPY_PLUGIN when plugin disabled for a file 2022-08-25 11:38:10 +02:00
Makefile.headersinst BACKPORT: kbuild: prefix $(srctree)/ to some included Makefiles 2024-05-08 03:00:09 +03:00
Makefile.host kbuild: sort hostprogs before passing it to ifneq 2020-08-10 01:32:59 +09:00
Makefile.kasan Merge 5.10.33 into android12-5.10 2021-04-29 13:57:47 +02:00
Makefile.kcov kbuild: include scripts/Makefile.* only when relevant CONFIG is enabled 2020-08-10 01:32:59 +09:00
Makefile.kcsan Kbuild updates for v5.10 2020-10-22 13:13:57 -07:00
Makefile.lib BACKPORT: UPSTREAM: kbuild: rename cmd_{bzip2,lzma,lzo,lz4,xzkern,zstd22} 2024-05-08 03:00:11 +03:00
Makefile.modfinal ANDROID: Add missing CFI jump table symbols to kallsyms 2021-05-11 17:56:41 +00:00
Makefile.modinst BACKPORT: kbuild: prefix $(srctree)/ to some included Makefiles 2024-05-08 03:00:09 +03:00
Makefile.modpost BACKPORT: kbuild: prefix $(srctree)/ to some included Makefiles 2024-05-08 03:00:09 +03:00
Makefile.modsign BACKPORT: kbuild: prefix $(srctree)/ to some included Makefiles 2024-05-08 03:00:09 +03:00
Makefile.package kbuild: fix broken builds because of GZIP,BZIP2,LZOP variables 2020-06-11 20:14:41 +09:00
Makefile.ubsan This is the 5.10.111 stable release 2022-04-21 14:27:41 +02:00
Makefile.userprogs kbuild: add infrastructure to build userspace programs 2020-05-17 18:52:01 +09:00
makelst
markup_oops.pl
min-tool-version.sh UPSTREAM: kbuild: collect minimum tool versions into scripts/min-tool-version.sh 2024-05-08 03:00:09 +03:00
mkcompile_h kbuild: mkcompile_h: consider timestamp if KBUILD_BUILD_TIMESTAMP is set 2021-07-25 14:36:16 +02:00
mkmakefile kbuild: get rid of $(realpath ...) from scripts/mkmakefile 2019-08-29 23:54:29 +09:00
mksysmap mksysmap: Fix the mismatch of 'L0' symbols in System.map 2022-09-23 14:17:00 +02:00
mkuboot.sh
module.lds.S Merge 5.10.138 into android12-5.10-lts 2022-08-30 12:59:52 +02:00
modules-check.sh kbuild: make module name conflict fatal error 2020-05-26 00:03:16 +09:00
nsdeps scripts: add dummy report mode to add_namespace.cocci 2020-08-11 15:33:35 +02:00
objdiff
pahole-flags.sh kbuild: Add skip_encoding_btf_enum64 option to pahole 2022-10-28 12:57:12 +02:00
parse-maintainers.pl parse-maintainers: Do not sort section content by default 2020-03-26 15:08:27 -07:00
patch-kernel
profile2linkerlist.pl
prune-kernel
recordmcount.c recordmcount: Fix memory leaks in the uwrite function 2023-05-30 12:57:50 +01:00
recordmcount.h recordmcount: Correct st_shndx handling 2021-06-30 08:47:23 -04:00
recordmcount.pl recordmcount.pl: fix typo in s390 mcount regex 2022-01-05 12:40:29 +01:00
setlocalversion ANDROID: setlocalversion: make KMI_GENERATION optional 2021-11-17 22:43:25 +00:00
show_delta tweewide: Fix most Shebang lines 2021-05-22 11:40:55 +02:00
sign-file.c Merge keystone/android12-5.10-keystone-qcom-release.160+ (d88a616) into msm-5.10 2023-03-14 21:44:10 +05:30
sorttable.c s390/kernel: expand exception table logic to allow new handling options 2020-07-20 10:55:50 +02:00
sorttable.h scripts/sorttable: Implement build-time ORC unwind table sorting 2019-12-13 10:47:58 +01:00
spdxcheck-test.sh
spdxcheck.py scripts/spdxcheck.py: handle license identifiers in XML comments 2020-10-02 11:31:26 +02:00
spelling.txt Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial 2020-10-15 15:11:56 -07:00
sphinx-pre-install scripts: sphinx-pre-install: Fix ctex support on Debian 2022-01-27 10:54:36 +01:00
split-man.pl tweewide: Fix most Shebang lines 2021-05-22 11:40:55 +02:00
stackdelta
stackusage
subarch.include
tags.sh scripts/tags.sh: Resolve gtags empty index generation 2023-07-27 08:43:31 +02:00
tools-support-relr.sh Makefile: fix GDB warning with CONFIG_RELR 2021-07-14 16:55:53 +02:00
unifdef.c
ver_linux ver_linux: Query ld cache for versions of libc/libcpp run-time 2020-02-10 13:35:15 -08:00
xen-hypercalls.sh
xz_wrap.sh kbuild: add variables for compression tools 2020-06-06 23:42:01 +09:00