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path: root/source/d/binutils/patches/binutils-CVE-2019-1010204.patch
blob: 56434b10d91ce8e21a29ccfd44e92226817963aa (about) (plain) (blame)
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--- binutils.orig/gold/fileread.cc	2019-08-06 14:22:08.669313110 +0100
+++ binutils-2.32/gold/fileread.cc	2019-08-06 14:22:28.799177543 +0100
@@ -381,6 +381,12 @@ File_read::do_read(off_t start, section_
   ssize_t bytes;
   if (this->whole_file_view_ != NULL)
     {
+      // See PR 23765 for an example of a testcase that triggers this error.
+      if (((ssize_t) start) < 0)
+	gold_fatal(_("%s: read failed, starting offset (%#llx) less than zero"),
+		   this->filename().c_str(),
+		   static_cast<long long>(start));
+	
       bytes = this->size_ - start;
       if (static_cast<section_size_type>(bytes) >= size)
 	{