From: Ye Bin <yebin10@huawei.com> hulk inclusion commit 6337511516862e5a4d2d5a96481510e4a7a12b1b category: feature feature: ARM kaslr support 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> Reviewed-by: Jing Xiangfeng <jingxiangfeng@huawei.com> Signed-off-by: zhangyi (F) <yi.zhang@huawei.com> Signed-off-by: Cui GaoSheng <cuigaosheng1@huawei.com> Reviewed-by: Xiu Jianfeng <xiujianfeng@huawei.com> Signed-off-by: Zheng Zengkai <zhengzengkai@huawei.com> Signed-off-by: Felix Fu <fuzhen5@huawei.com> --- arch/arm/boot/compressed/decompress.c | 4 ++++ arch/arm/boot/compressed/misc.c | 3 +++ 2 files changed, 7 insertions(+) diff --git a/arch/arm/boot/compressed/decompress.c b/arch/arm/boot/compressed/decompress.c index 0669851394f0..29cf68dce7a0 100644 --- a/arch/arm/boot/compressed/decompress.c +++ b/arch/arm/boot/compressed/decompress.c @@ -1,6 +1,10 @@ // SPDX-License-Identifier: GPL-2.0 #define _LINUX_STRING_H_ +#ifdef CONFIG_RANDOMIZE_BASE +#pragma GCC visibility pop +#endif + #include <linux/compiler.h> /* for inline */ #include <linux/types.h> /* for size_t */ #include <linux/stddef.h> /* for NULL */ diff --git a/arch/arm/boot/compressed/misc.c b/arch/arm/boot/compressed/misc.c index 6b4baa6a9a50..047ec4069ea7 100644 --- a/arch/arm/boot/compressed/misc.c +++ b/arch/arm/boot/compressed/misc.c @@ -16,6 +16,9 @@ * which should point to addresses in RAM and cleared to 0 on start. * This allows for a much quicker boot time. */ +#ifdef CONFIG_RANDOMIZE_BASE +#pragma GCC visibility pop +#endif unsigned int __machine_arch_type; -- 2.34.1