From: Kees Cook <keescook@chromium.org>
To: Linus Torvalds <torvalds@linux-foundation.org>
Cc: linux-kernel@vger.kernel.org,
"Akira Kawata" <akirakawata1@gmail.com>,
"Alexander Viro" <viro@zeniv.linux.org.uk>,
"Alexey Dobriyan" <adobriyan@gmail.com>,
"Andrew Morton" <akpm@linux-foundation.org>,
"Andy Lutomirski" <luto@kernel.org>,
"Ariadne Conill" <ariadne@dereferenced.org>,
"Bill Messmer" <wmessmer@microsoft.com>,
"Catalin Marinas" <catalin.marinas@arm.com>,
"Christian Brauner" <brauner@kernel.org>,
"Dave Martin" <Dave.Martin@arm.com>,
"David Gow" <davidgow@google.com>,
"Eric Biederman" <ebiederm@xmission.com>,
"Geert Uytterhoeven" <geert@linux-m68k.org>,
"Ivan Kokshaysky" <ink@jurassic.park.msu.ru>,
"Jann Horn" <jannh@google.com>,
"Kees Cook" <keescook@chromium.org>,
"Magnus Groß" <magnus.gross@rwth-aachen.de>,
"Matthew Wilcox" <willy@infradead.org>,
"Matt Turner" <mattst88@gmail.com>,
"Michael Kerrisk" <mtk.manpages@gmail.com>,
"Peter Collingbourne" <pcc@google.com>,
"Randy Dunlap" <rdunlap@infradead.org>,
"Richard Henderson" <rth@twiddle.net>,
"Rich Felker" <dalias@libc.org>,
"Rick Edgecombe" <rick.p.edgecombe@intel.com>,
"Shuah Khan" <shuah@kernel.org>, "Tom Rix" <trix@redhat.com>,
"Yang Yingliang" <yangyingliang@huawei.com>,
"Yu-cheng Yu" <yu-cheng.yu@intel.com>
Subject: [GIT PULL] execve updates for v5.18-rc1
Date: Mon, 21 Mar 2022 07:44:54 -0700 [thread overview]
Message-ID: <202203210740.98EB66F8@keescook> (raw)
Hi Linus,
Please pull these execve and binfmt updates for v5.18-rc1. Eric and I
have stepped up to be the active maintainers of this area, so here's our
first collection. The bulk of the work was in coredump handling fixes;
additional details are noted below.
Thanks!
-Kees
The following changes since commit 439a8468242b313486e69b8cc3b45ddcfa898fbf:
binfmt_elf: Avoid total_mapping_size for ET_EXEC (2022-03-01 10:29:20 -0800)
are available in the Git repository at:
https://git.kernel.org/pub/scm/linux/kernel/git/kees/linux.git tags/execve-v5.18-rc1
for you to fetch changes up to dd664099002db909912a23215f8775c97f7f4f10:
binfmt_elf: Don't write past end of notes for regset gap (2022-03-18 10:17:09 -0700)
----------------------------------------------------------------
execve updates for v5.18-rc1
- Handle unusual AT_PHDR offsets (Akira Kawata)
- Fix initial mapping size when PT_LOADs are not ordered (Alexey Dobriyan)
- Move more code under CONFIG_COREDUMP (Alexey Dobriyan)
- Fix missing mmap_lock in file_files_note (Eric W. Biederman)
- Remove a.out support for alpha and m68k (Eric W. Biederman)
- Include first pages of non-exec ELF libraries in coredump (Jann Horn)
- Don't write past end of notes for regset gap in coredump (Rick Edgecombe)
- Comment clean-ups (Tom Rix)
- Force single empty string when argv is empty (Kees Cook)
- Add NULL argv selftest (Kees Cook)
- Properly redefine PT_GNU_* in terms of PT_LOOS (Kees Cook)
- MAINTAINERS: Update execve entry with tree (Kees Cook)
- Introduce initial KUnit testing for binfmt_elf (Kees Cook)
----------------------------------------------------------------
Akira Kawata (2):
fs/binfmt_elf: Fix AT_PHDR for unusual ELF files
fs/binfmt_elf: Refactor load_elf_binary function
Alexey Dobriyan (2):
ELF: fix overflow in total mapping size calculation
binfmt: move more stuff undef CONFIG_COREDUMP
Eric W. Biederman (7):
coredump: Move definition of struct coredump_params into coredump.h
coredump: Snapshot the vmas in do_coredump
coredump: Remove the WARN_ON in dump_vma_snapshot
coredump/elf: Pass coredump_params into fill_note_info
coredump: Use the vma snapshot in fill_files_note
coredump: Don't compile flat_core_dump when coredumps are disabled
a.out: Stop building a.out/osf1 support on alpha and m68k
Jann Horn (1):
coredump: Also dump first pages of non-executable ELF libraries
Kees Cook (6):
exec: Force single empty string when argv is empty
selftests/exec: Test for empty string on NULL argv
MAINTAINERS: Update execve entry with more details
ELF: Properly redefine PT_GNU_* in terms of PT_LOOS
binfmt_elf: Introduce KUnit test
Merge branch 'coredump-vma-snapshot-fix-for-v5.18' of https://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace into for-next/execve
Rick Edgecombe (1):
binfmt_elf: Don't write past end of notes for regset gap
Tom Rix (1):
exec: cleanup comments
MAINTAINERS | 4 +
arch/alpha/Kconfig | 1 -
arch/m68k/Kconfig | 1 -
fs/Kconfig.binfmt | 10 ++
fs/binfmt_elf.c | 153 +++++++++++++++++--------------
fs/binfmt_elf_fdpic.c | 20 ++--
fs/binfmt_elf_test.c | 64 +++++++++++++
fs/binfmt_flat.c | 7 ++
fs/compat_binfmt_elf.c | 2 +
fs/coredump.c | 86 +++++++++++++----
fs/exec.c | 32 ++++++-
include/linux/binfmts.h | 15 +--
include/linux/coredump.h | 20 +++-
include/uapi/linux/elf.h | 7 +-
tools/testing/selftests/exec/Makefile | 1 +
tools/testing/selftests/exec/null-argv.c | 78 ++++++++++++++++
16 files changed, 374 insertions(+), 127 deletions(-)
create mode 100644 fs/binfmt_elf_test.c
create mode 100644 tools/testing/selftests/exec/null-argv.c
--
Kees Cook
next reply other threads:[~2022-03-21 14:45 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-03-21 14:44 Kees Cook [this message]
2022-03-22 3:06 ` [GIT PULL] execve updates for v5.18-rc1 pr-tracker-bot
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