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1d94f72439
Rebased patches:
* generic: 273-batman-adv-Convert-packet.h-to-uapi-header.patch
* ipq806x: 0065-arm-override-compiler-flags.patch
* mvebu: 513-arm64-dts-marvell-armada37xx-Add-emmc-sdio-pinctrl-d.patch
Removed patches:
Fixed upstream:
* ar71xx: 821-serial-core-add-support-for-boot-console-with-arbitr.patch
* ath79: 921-serial-core-add-support-for-boot-console-with-arbitr.patch
- in 4.14.256 via 9112e7ef87149b3d8093e7446d784117f6e18d69
* mvebu: 527-PCI-aardvark-allow-to-specify-link-capability.patch
- in 4.14.257 via 62a3dc9b65a2b24800fc4267b8cf590fad135034
* mvebu: 524-PCI-aardvark-set-host-and-device-to-the-same-MAX-payload-size.patch
- should be hopefully fixed by the bunch of changes in .256 and .257
Run tested on ipq40xx/glinet-b1300 and mvebu/turris-omnia.
Fixes: CVE-2021-3640
Signed-off-by: Petr Štetiar <ynezz@true.cz>
65 lines
1.8 KiB
Diff
65 lines
1.8 KiB
Diff
From e3692cb2fcd5ba1244512a0f43b8118f65f1c375 Mon Sep 17 00:00:00 2001
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From: Felix Fietkau <nbd@nbd.name>
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Date: Sat, 8 Jul 2017 08:20:43 +0200
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Subject: debloat: dmabuf
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Signed-off-by: Felix Fietkau <nbd@nbd.name>
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---
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drivers/base/Kconfig | 2 +-
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drivers/dma-buf/Makefile | 10 +++++++---
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drivers/dma-buf/dma-buf.c | 4 +++-
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kernel/sched/core.c | 1 +
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4 files changed, 12 insertions(+), 5 deletions(-)
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--- a/drivers/base/Kconfig
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+++ b/drivers/base/Kconfig
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@@ -246,7 +246,7 @@ config SOC_BUS
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source "drivers/base/regmap/Kconfig"
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config DMA_SHARED_BUFFER
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- bool
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+ tristate
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default n
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select ANON_INODES
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select IRQ_WORK
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--- a/drivers/dma-buf/Makefile
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+++ b/drivers/dma-buf/Makefile
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@@ -1,3 +1,7 @@
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-obj-y := dma-buf.o dma-fence.o dma-fence-array.o reservation.o seqno-fence.o
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-obj-$(CONFIG_SYNC_FILE) += sync_file.o
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-obj-$(CONFIG_SW_SYNC) += sw_sync.o sync_debug.o
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+obj-$(CONFIG_DMA_SHARED_BUFFER) := dma-shared-buffer.o
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+
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+dma-buf-objs-y := dma-buf.o dma-fence.o dma-fence-array.o reservation.o seqno-fence.o
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+dma-buf-objs-$(CONFIG_SYNC_FILE) += sync_file.o
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+dma-buf-objs-$(CONFIG_SW_SYNC) += sw_sync.o sync_debug.o
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+
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+dma-shared-buffer-objs := $(dma-buf-objs-y)
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--- a/drivers/dma-buf/dma-buf.c
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+++ b/drivers/dma-buf/dma-buf.c
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@@ -34,6 +34,7 @@
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#include <linux/poll.h>
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#include <linux/reservation.h>
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#include <linux/mm.h>
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+#include <linux/module.h>
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#include <uapi/linux/dma-buf.h>
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@@ -1206,4 +1207,5 @@ static void __exit dma_buf_deinit(void)
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{
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dma_buf_uninit_debugfs();
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}
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-__exitcall(dma_buf_deinit);
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+module_exit(dma_buf_deinit);
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+MODULE_LICENSE("GPL");
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--- a/kernel/sched/core.c
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+++ b/kernel/sched/core.c
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@@ -2168,6 +2168,7 @@ int wake_up_state(struct task_struct *p,
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{
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return try_to_wake_up(p, state, 0);
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}
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+EXPORT_SYMBOL_GPL(wake_up_state);
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/*
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* Perform scheduler related setup for a newly forked process p.
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