From: Kees Cook <keescook@chromium.org>
To: Sasha Levin <sashal@kernel.org>
Cc: linux-kernel@vger.kernel.org, stable@vger.kernel.org,
"Valdis Klētnieks" <valdis.kletnieks@vt.edu>,
"Josh Poimboeuf" <jpoimboe@redhat.com>,
linux-hardening@vger.kernel.org
Subject: Re: [PATCH AUTOSEL 5.10 45/51] gcc-plugins: fix gcc 11 indigestion with plugins...
Date: Tue, 12 Jan 2021 09:31:38 -0800 [thread overview]
Message-ID: <202101120931.61C1F0B@keescook> (raw)
In-Reply-To: <20210112125534.70280-45-sashal@kernel.org>
This will need an additional fix, so please don't backport it yet.
On Tue, Jan 12, 2021 at 07:55:27AM -0500, Sasha Levin wrote:
> From: Valdis Klētnieks <valdis.kletnieks@vt.edu>
>
> [ Upstream commit 67a5a68013056cbcf0a647e36cb6f4622fb6a470 ]
>
> Fedora Rawhide has started including gcc 11,and the g++ compiler
> throws a wobbly when it hits scripts/gcc-plugins:
>
> HOSTCXX scripts/gcc-plugins/latent_entropy_plugin.so
> In file included from /usr/include/c++/11/type_traits:35,
> from /usr/lib/gcc/x86_64-redhat-linux/11/plugin/include/system.h:244,
> from /usr/lib/gcc/x86_64-redhat-linux/11/plugin/include/gcc-plugin.h:28,
> from scripts/gcc-plugins/gcc-common.h:7,
> from scripts/gcc-plugins/latent_entropy_plugin.c:78:
> /usr/include/c++/11/bits/c++0x_warning.h:32:2: error: #error This file requires compiler and library support for the ISO
> C++ 2011 standard. This support must be enabled with the -std=c++11 or -std=gnu++11 compiler options.
> 32 | #error This file requires compiler and library support \
>
> In fact, it works just fine with c++11, which has been in gcc since 4.8,
> and we now require 4.9 as a minimum.
>
> Signed-off-by: Valdis Kletnieks <valdis.kletnieks@vt.edu>
> Acked-by: Josh Poimboeuf <jpoimboe@redhat.com>
> Signed-off-by: Kees Cook <keescook@chromium.org>
> Link: https://lore.kernel.org/r/82487.1609006918@turing-police
> Signed-off-by: Sasha Levin <sashal@kernel.org>
> ---
> scripts/gcc-plugins/Makefile | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/scripts/gcc-plugins/Makefile b/scripts/gcc-plugins/Makefile
> index d66949bfeba45..b5487cce69e8e 100644
> --- a/scripts/gcc-plugins/Makefile
> +++ b/scripts/gcc-plugins/Makefile
> @@ -22,9 +22,9 @@ always-y += $(GCC_PLUGIN)
> GCC_PLUGINS_DIR = $(shell $(CC) -print-file-name=plugin)
>
> plugin_cxxflags = -Wp,-MMD,$(depfile) $(KBUILD_HOSTCXXFLAGS) -fPIC \
> - -I $(GCC_PLUGINS_DIR)/include -I $(obj) -std=gnu++98 \
> + -I $(GCC_PLUGINS_DIR)/include -I $(obj) -std=gnu++11 \
> -fno-rtti -fno-exceptions -fasynchronous-unwind-tables \
> - -ggdb -Wno-narrowing -Wno-unused-variable -Wno-c++11-compat \
> + -ggdb -Wno-narrowing -Wno-unused-variable \
> -Wno-format-diag
>
> plugin_ldflags = -shared
> --
> 2.27.0
>
--
Kees Cook
next prev parent reply other threads:[~2021-01-12 17:32 UTC|newest]
Thread overview: 54+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-01-12 12:54 [PATCH AUTOSEL 5.10 01/51] ARC: build: remove non-existing bootpImage from KBUILD_IMAGE Sasha Levin
2021-01-12 12:54 ` [PATCH AUTOSEL 5.10 02/51] ARC: build: add uImage.lzma to the top-level target Sasha Levin
2021-01-12 12:54 ` [PATCH AUTOSEL 5.10 03/51] ARC: build: add boot_targets to PHONY Sasha Levin
2021-01-12 12:54 ` [PATCH AUTOSEL 5.10 04/51] ARC: build: move symlink creation to arch/arc/Makefile to avoid race Sasha Levin
2021-01-12 12:54 ` [PATCH AUTOSEL 5.10 05/51] ARM: omap2: pmic-cpcap: fix maximum voltage to be consistent with defaults on xt875 Sasha Levin
2021-01-12 12:54 ` [PATCH AUTOSEL 5.10 06/51] ath11k: fix crash caused by NULL rx_channel Sasha Levin
2021-01-12 12:54 ` [PATCH AUTOSEL 5.10 07/51] rtlwifi: rise completion at the last step of firmware callback Sasha Levin
2021-01-12 12:54 ` [PATCH AUTOSEL 5.10 08/51] netfilter: ipset: fixes possible oops in mtype_resize Sasha Levin
2021-01-12 12:54 ` [PATCH AUTOSEL 5.10 09/51] ath11k: qmi: try to allocate a big block of DMA memory first Sasha Levin
2021-01-12 12:54 ` [PATCH AUTOSEL 5.10 10/51] btrfs: fix async discard stall Sasha Levin
2021-01-12 12:54 ` [PATCH AUTOSEL 5.10 11/51] btrfs: merge critical sections of discard lock in workfn Sasha Levin
2021-01-12 12:54 ` [PATCH AUTOSEL 5.10 12/51] btrfs: fix transaction leak and crash after RO remount caused by qgroup rescan Sasha Levin
2021-01-12 12:54 ` [PATCH AUTOSEL 5.10 13/51] regulator: bd718x7: Add enable times Sasha Levin
2021-01-12 12:54 ` [PATCH AUTOSEL 5.10 14/51] ethernet: ucc_geth: fix definition and size of ucc_geth_tx_global_pram Sasha Levin
2021-01-12 12:54 ` [PATCH AUTOSEL 5.10 15/51] ARM: dts: ux500/golden: Set display max brightness Sasha Levin
2021-01-12 12:54 ` [PATCH AUTOSEL 5.10 16/51] qede: fix offload for IPIP tunnel packets Sasha Levin
2021-01-12 12:54 ` [PATCH AUTOSEL 5.10 17/51] stmmac: intel: Add PCI IDs for TGL-H platform Sasha Levin
2021-01-12 12:55 ` [PATCH AUTOSEL 5.10 18/51] e1000e: Only run S0ix flows if shutdown succeeded Sasha Levin
2021-01-12 12:55 ` [PATCH AUTOSEL 5.10 19/51] habanalabs: adjust pci controller init to new firmware Sasha Levin
2021-01-12 12:55 ` [PATCH AUTOSEL 5.10 20/51] habanalabs/gaudi: retry loading TPC f/w on -EINTR Sasha Levin
2021-01-12 12:55 ` [PATCH AUTOSEL 5.10 21/51] habanalabs: register to pci shutdown callback Sasha Levin
2021-01-12 12:55 ` [PATCH AUTOSEL 5.10 22/51] staging: spmi: hisi-spmi-controller: Fix some error handling paths Sasha Levin
2021-01-12 12:55 ` [PATCH AUTOSEL 5.10 23/51] CDC-NCM: remove "connected" log message Sasha Levin
2021-01-12 13:11 ` Greg Kroah-Hartman
2021-01-12 12:55 ` [PATCH AUTOSEL 5.10 24/51] spi: altera: fix return value for altera_spi_txrx() Sasha Levin
2021-01-12 12:55 ` [PATCH AUTOSEL 5.10 25/51] habanalabs: Fix memleak in hl_device_reset Sasha Levin
2021-01-12 12:55 ` [PATCH AUTOSEL 5.10 26/51] hwmon: (pwm-fan) Ensure that calculation doesn't discard big period values Sasha Levin
2021-01-12 12:55 ` [PATCH AUTOSEL 5.10 27/51] lib/raid6: Let $(UNROLL) rules work with macOS userland Sasha Levin
2021-01-12 12:55 ` [PATCH AUTOSEL 5.10 28/51] kconfig: remove 'kvmconfig' and 'xenconfig' shorthands Sasha Levin
2021-01-12 12:55 ` [PATCH AUTOSEL 5.10 29/51] spi: fix the divide by 0 error when calculating xfer waiting time Sasha Levin
2021-01-12 12:55 ` [PATCH AUTOSEL 5.10 30/51] dmaengine: stm32-mdma: fix STM32_MDMA_VERY_HIGH_PRIORITY value Sasha Levin
2021-01-12 12:55 ` [PATCH AUTOSEL 5.10 31/51] net: usb: qmi_wwan: add Quectel EM160R-GL Sasha Levin
2021-01-12 12:55 ` [PATCH AUTOSEL 5.10 32/51] io_uring: drop file refs after task cancel Sasha Levin
2021-01-12 12:55 ` [PATCH AUTOSEL 5.10 33/51] bfq: Fix computation of shallow depth Sasha Levin
2021-01-12 12:55 ` [PATCH AUTOSEL 5.10 34/51] arch/arc: add copy_user_page() to <asm/page.h> to fix build error on ARC Sasha Levin
2021-01-12 12:55 ` [PATCH AUTOSEL 5.10 35/51] misdn: dsp: select CONFIG_BITREVERSE Sasha Levin
2021-01-12 12:55 ` [PATCH AUTOSEL 5.10 36/51] net: ethernet: fs_enet: Add missing MODULE_LICENSE Sasha Levin
2021-01-12 12:55 ` [PATCH AUTOSEL 5.10 37/51] selftests: fix the return value for UDP GRO test Sasha Levin
2021-01-12 12:55 ` [PATCH AUTOSEL 5.10 38/51] nvme-pci: mark Samsung PM1725a as IGNORE_DEV_SUBNQN Sasha Levin
2021-01-12 12:55 ` [PATCH AUTOSEL 5.10 39/51] nvme: avoid possible double fetch in handling CQE Sasha Levin
2021-01-12 12:55 ` [PATCH AUTOSEL 5.10 40/51] nvmet-rdma: Fix list_del corruption on queue establishment failure Sasha Levin
2021-01-12 12:55 ` [PATCH AUTOSEL 5.10 41/51] drm/amd/display: fix sysfs amdgpu_current_backlight_pwm NULL pointer issue Sasha Levin
2021-01-12 12:55 ` [PATCH AUTOSEL 5.10 42/51] drm/amdgpu: fix a GPU hang issue when remove device Sasha Levin
2021-01-12 12:55 ` [PATCH AUTOSEL 5.10 43/51] drm/amd/pm: fix the failure when change power profile for renoir Sasha Levin
2021-01-12 12:55 ` [PATCH AUTOSEL 5.10 44/51] drm/amdgpu: fix potential memory leak during navi12 deinitialization Sasha Levin
2021-01-12 12:55 ` [PATCH AUTOSEL 5.10 45/51] gcc-plugins: fix gcc 11 indigestion with plugins Sasha Levin
2021-01-12 17:31 ` Kees Cook [this message]
2021-01-17 16:18 ` Sasha Levin
2021-01-12 12:55 ` [PATCH AUTOSEL 5.10 46/51] usb: typec: Fix copy paste error for NVIDIA alt-mode description Sasha Levin
2021-01-12 12:55 ` [PATCH AUTOSEL 5.10 47/51] iommu/vt-d: Fix lockdep splat in sva bind()/unbind() Sasha Levin
2021-01-12 12:55 ` [PATCH AUTOSEL 5.10 48/51] ACPI: scan: add stub acpi_create_platform_device() for !CONFIG_ACPI Sasha Levin
2021-01-12 12:55 ` [PATCH AUTOSEL 5.10 49/51] drm/msm: Call msm_init_vram before binding the gpu Sasha Levin
2021-01-12 12:55 ` [PATCH AUTOSEL 5.10 50/51] ARM: picoxcell: fix missing interrupt-parent properties Sasha Levin
2021-01-12 12:55 ` [PATCH AUTOSEL 5.10 51/51] poll: fix performance regression due to out-of-line __put_user() Sasha Levin
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=202101120931.61C1F0B@keescook \
--to=keescook@chromium.org \
--cc=jpoimboe@redhat.com \
--cc=linux-hardening@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=sashal@kernel.org \
--cc=stable@vger.kernel.org \
--cc=valdis.kletnieks@vt.edu \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox