From: Russell Currey <ruscur@russell.cc>
To: linuxppc-dev@lists.ozlabs.org
Cc: ajd@linux.ibm.com, kernel-hardening@lists.openwall.com,
npiggin@gmail.com, joel@jms.id.au,
Russell Currey <ruscur@russell.cc>,
dja@axtens.net
Subject: [PATCH v6 0/5] Implement STRICT_MODULE_RWX for powerpc
Date: Tue, 24 Dec 2019 16:55:40 +1100 [thread overview]
Message-ID: <20191224055545.178462-1-ruscur@russell.cc> (raw)
v5 cover letter: https://lore.kernel.org/kernel-hardening/20191030073111.140493-1-ruscur@russell.cc/
v4 cover letter: https://lists.ozlabs.org/pipermail/linuxppc-dev/2019-October/198268.html
v3 cover letter: https://lists.ozlabs.org/pipermail/linuxppc-dev/2019-October/198023.html
Changes since v5:
[1/5]: Addressed review comments from Christophe Leroy (thanks!)
[2/5]: Use patch_instruction() instead of memcpy() thanks to mpe
Thanks for the feedback, hopefully this is the final iteration. I have a patch
to remove the STRICT_KERNEL_RWX incompatibility with RELOCATABLE for book3s64
coming soon, so with that we should have a great basis for powerpc RWX going
forward.
Russell Currey (5):
powerpc/mm: Implement set_memory() routines
powerpc/kprobes: Mark newly allocated probes as RO
powerpc/mm/ptdump: debugfs handler for W+X checks at runtime
powerpc: Set ARCH_HAS_STRICT_MODULE_RWX
powerpc/configs: Enable STRICT_MODULE_RWX in skiroot_defconfig
arch/powerpc/Kconfig | 2 +
arch/powerpc/Kconfig.debug | 6 +-
arch/powerpc/configs/skiroot_defconfig | 1 +
arch/powerpc/include/asm/set_memory.h | 32 ++++++++++
arch/powerpc/kernel/kprobes.c | 6 +-
arch/powerpc/mm/Makefile | 1 +
arch/powerpc/mm/pageattr.c | 83 ++++++++++++++++++++++++++
arch/powerpc/mm/ptdump/ptdump.c | 21 ++++++-
8 files changed, 147 insertions(+), 5 deletions(-)
create mode 100644 arch/powerpc/include/asm/set_memory.h
create mode 100644 arch/powerpc/mm/pageattr.c
--
2.24.1
next reply other threads:[~2019-12-24 6:07 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-12-24 5:55 Russell Currey [this message]
2019-12-24 5:55 ` [PATCH v6 1/5] powerpc/mm: Implement set_memory() routines Russell Currey
2020-01-08 12:52 ` Christophe Leroy
2020-02-03 0:46 ` Russell Currey
2020-02-03 7:06 ` Christophe Leroy
2020-01-20 8:35 ` Christophe Leroy
2019-12-24 5:55 ` [PATCH v6 2/5] powerpc/kprobes: Mark newly allocated probes as RO Russell Currey
2020-01-08 16:48 ` Christophe Leroy
2019-12-24 5:55 ` [PATCH v6 3/5] powerpc/mm/ptdump: debugfs handler for W+X checks at runtime Russell Currey
2019-12-31 17:14 ` Christophe Leroy
2020-01-07 10:48 ` Michael Ellerman
2019-12-24 5:55 ` [PATCH v6 4/5] powerpc: Set ARCH_HAS_STRICT_MODULE_RWX Russell Currey
2019-12-24 5:55 ` [PATCH v6 5/5] powerpc/configs: Enable STRICT_MODULE_RWX in skiroot_defconfig Russell Currey
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