[packages/binutils.git] / binutils-CVE-2019-1010204.patch

--- 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)
 	{
Commit	Line	Data
5236cf4f AM	1	--- binutils.orig/gold/fileread.cc 2019-08-06 14:22:08.669313110 +0100
	2	+++ binutils-2.32/gold/fileread.cc 2019-08-06 14:22:28.799177543 +0100
	3	@@ -381,6 +381,12 @@ File_read::do_read(off_t start, section_
	4	ssize_t bytes;
	5	if (this->whole_file_view_ != NULL)
	6	{
	7	+ // See PR 23765 for an example of a testcase that triggers this error.
	8	+ if (((ssize_t) start) < 0)
	9	+ gold_fatal(_("%s: read failed, starting offset (%#llx) less than zero"),
	10	+ this->filename().c_str(),
	11	+ static_cast<long long>(start));
	12	+
	13	bytes = this->size_ - start;
	14	if (static_cast<section_size_type>(bytes) >= size)
	15	{