Commit 365a456a authored Nov 30, 2023 by Ye Bin Committed by Felix Fu Dec 22, 2023

arm32: kaslr: pop visibility when compile decompress boot code as we need relocate BSS by GOT.

hulk inclusion
category: feature
bugzilla: https://gitee.com/openeuler/kernel/issues/I8KNA9


CVE: NA

-------------------------------------------------

If we not hide the GOT, when insert module which reference global
variable we got error "Unknown symbol_GLOBAL_OFFSET_TABLE_ (err 0)".

Signed-off-by: Ye Bin <yebin10@huawei.com>

Conflicts:
    Merge OLK-5.10 fix patch e703de76

Signed-off-by: Felix Fu <fuzhen5@huawei.com>

parent 3fa7cb6e

arch/arm/boot/compressed/Makefile

+4 −0

Original line number	Diff line number	Diff line
		@@ -104,6 +104,10 @@ OBJS += lib1funcs.o ashldi3.o bswapsdi2.o

		targets := vmlinux vmlinux.lds piggy_data piggy.o \
		head.o $(OBJS)
		ifeq ($(CONFIG_RELOCATABLE),y)
		HIDDEN_STR := -include $(srctree)/include/linux/hidden.h
		KBUILD_CFLAGS := $(subst $(HIDDEN_STR), , $(KBUILD_CFLAGS))
		endif

		KBUILD_CFLAGS += -DDISABLE_BRANCH_PROFILING