File _service:obs_scm:backport-Fix-calculating-ELF-m... of Package dim

File _service:obs_scm:backport-Fix-calculating-ELF-memory-address.patch of Package dim

From 6c1a35ac10351a2b2d4d66899f5848c1201ca6fc Mon Sep 17 00:00:00 2001
From: Huaxin Lu <luhuaxin1@huawei.com>
Date: Mon, 29 Apr 2024 21:55:45 +0800
Subject: [PATCH 01/28] Fix calculating ELF memory address

---
 .../dim_core_measure_process_elf.c                         | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/src/core/tasks/dim_core_measure_process/dim_core_measure_process_elf.c b/src/core/tasks/dim_core_measure_process/dim_core_measure_process_elf.c
index 3821c7f..76d1560 100644
--- a/src/core/tasks/dim_core_measure_process/dim_core_measure_process_elf.c
+++ b/src/core/tasks/dim_core_measure_process/dim_core_measure_process_elf.c
@@ -266,6 +266,7 @@ static int measure_elf_text(struct vm_area_struct *vma,
 	int ret = 0;
 	unsigned int i = 0;
 	unsigned long addr = 0;
+	unsigned long base = 0;
 	struct elf_phdr *phdr = NULL;
 	struct dim_digest digest = {
 		.algo = ctx->m->hash.algo,
@@ -276,10 +277,12 @@ static int measure_elf_text(struct vm_area_struct *vma,
 	ret = crypto_shash_init(shash);
 	if (ret < 0)
 		return ret;
-	
+
+	base = vma->vm_start - phdrs_text[0].p_vaddr;
+
 	for (; i < phdrs_text_num; i++) {
 		phdr = &phdrs_text[i];
-		addr = vma->vm_start + phdr->p_vaddr - vma->vm_pgoff * PAGE_SIZE;
+		addr = base + phdr->p_vaddr;
 		ret = dim_vm_hash_update_address(vma->vm_mm, addr,
 						 phdr->p_memsz, shash);
 		if (ret < 0)
-- 
2.33.0