From: Cui GaoSheng <cuigaosheng1@huawei.com> ohos inclusion category: bugfix issue: #I3ZXZF CVE: NA ------------------------------------------------------------------------ The bss section is cleared when the kernel is started, and __kaslr_offset variable is located in the bss section, __kaslr_offset is reset to zero, so we move __kaslr_offset from bss section to data section. Signed-off-by: Cui GaoSheng <cuigaosheng1@huawei.com> Reviewed-by: Xiu Jianfeng <xiujianfeng@huawei.com> Signed-off-by: Chen Jun <chenjun102@huawei.com> Signed-off-by: Yu Changchun <yuchangchun1@huawei.com> --- arch/arm/kernel/head.S | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/arm/kernel/head.S b/arch/arm/kernel/head.S index b6b82387289b..21185e9b033c 100644 --- a/arch/arm/kernel/head.S +++ b/arch/arm/kernel/head.S @@ -103,11 +103,11 @@ ENTRY(stext) #ifdef CONFIG_RANDOMIZE_BASE str_l r3, __kaslr_offset, r9 @ offset in r3 if entered via kaslr ep - .section ".bss", "aw", %nobits + .pushsection .data @ data in bss will be cleared .align 2 ENTRY(__kaslr_offset) .long 0 @ will be wiped before entering C code - .previous + .popsection #endif #ifdef CONFIG_ARM_VIRT_EXT -- 2.22.0