eda47481b9
kpatch_process: fix possible double free. ptrace: fix NULL pointer access problem fix patched process crashing when acccess the global var fix probably restore cc symbol link fail when kill patch building uncourteous optimize: Remove unnecessary comparison code Signed-off-by: yezengruan <yezengruan@huawei.com> (cherry picked from commit f3d59711105eb667fa2f920958fcbdbb7068afd2)
40 lines
1.4 KiB
Diff
40 lines
1.4 KiB
Diff
From 5667441f87ef702ed537aba7c677eee1b36f1ead Mon Sep 17 00:00:00 2001
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From: wangcichen <wangcichen_yewu@cmss.chinamobile.com>
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Date: Fri, 27 May 2022 17:08:28 +0800
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Subject: [PATCH 5/5] optimize: Remove unnecessary comparison code
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---
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src/arch/aarch64/arch_elf.c | 2 +-
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src/arch/x86/arch_elf.c | 2 +-
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2 files changed, 2 insertions(+), 2 deletions(-)
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diff --git a/src/arch/aarch64/arch_elf.c b/src/arch/aarch64/arch_elf.c
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index 9ce586d..10399ee 100644
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--- a/src/arch/aarch64/arch_elf.c
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+++ b/src/arch/aarch64/arch_elf.c
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@@ -202,7 +202,7 @@ int kpatch_arch_apply_relocate_add(struct object_file *o, GElf_Shdr *relsec)
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unsigned long val;
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void *loc, *loc2;
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- if (r->r_offset < 0 || r->r_offset >= tshdr->sh_size) {
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+ if (r->r_offset >= tshdr->sh_size) {
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kperr("Relocation offset for section '%s'"
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" is at 0x%lx beyond the section size 0x%lx\n",
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scnname, r->r_offset, tshdr->sh_size);
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diff --git a/src/arch/x86/arch_elf.c b/src/arch/x86/arch_elf.c
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index 265fd37..f79a996 100644
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--- a/src/arch/x86/arch_elf.c
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+++ b/src/arch/x86/arch_elf.c
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@@ -56,7 +56,7 @@ int kpatch_arch_apply_relocate_add(struct object_file *o, GElf_Shdr *relsec)
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unsigned long val;
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void *loc, *loc2;
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- if (r->r_offset < 0 || r->r_offset >= tshdr->sh_size) {
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+ if (r->r_offset >= tshdr->sh_size) {
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kperr("Relocation offset for section '%s'"
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" is at 0x%lx beyond the section size 0x%lx\n",
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scnname, r->r_offset, tshdr->sh_size);
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--
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2.27.0
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