From 52ab908394958a2a5d0476e306e2cad4da4fdeae Mon Sep 17 00:00:00 2001
From: Ezra Cooper <ezra@qumulo.com>
Date: Thu, 21 Jun 2018 11:07:35 -0700
Subject: Fix issue #66 by ignoring the first section header when sorting, and
 not overwriting NOBITS entries.

---
 src/patchelf.cc | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/patchelf.cc b/src/patchelf.cc
index 3ca38d9..0b4965a 100644
--- a/src/patchelf.cc
+++ b/src/patchelf.cc
@@ -475,7 +475,7 @@ void ElfFile<ElfFileParamNames>::sortShdrs()
     /* Sort the sections by offset. */
     CompShdr comp;
     comp.elfFile = this;
-    sort(shdrs.begin(), shdrs.end(), comp);
+    sort(shdrs.begin() + 1, shdrs.end(), comp);
 
     /* Restore the sh_link mappings. */
     for (unsigned int i = 1; i < rdi(hdr->e_shnum); ++i)
@@ -642,7 +642,8 @@ void ElfFile<ElfFileParamNames>::writeReplacedSections(Elf_Off & curOff,
     for (auto & i : replacedSections) {
         std::string sectionName = i.first;
         Elf_Shdr & shdr = findSection(sectionName);
-        memset(contents + rdi(shdr.sh_offset), 'X', rdi(shdr.sh_size));
+        if (shdr.sh_type != SHT_NOBITS)
+            memset(contents + rdi(shdr.sh_offset), 'X', rdi(shdr.sh_size));
     }
 
     for (auto & i : replacedSections) {
-- 
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