elfutils/elfutils-0.137-dwarf-header-check-fix.diff

From: Takashi Iwai <tiwai@novell.com>
Subject: Fix for kernel debuginfo files
References: https://bugzilla.novell.com/show_bug.cgi?id=468247, comments 17-20
References: https://bugzilla.novell.com/show_bug.cgi?id=433182

Above BZ originally occured with Systemtap testsuite (stmt_rel.exp).

# stap -e 'probe kernel.statement("bio_put@fs/bio.c:*") {}'
semantic error: libdw failure (dwarf_getsrcfiles): invalid DWARF
...
---


 libdw/dwarf_getsrclines.c |    2 ++
 1 file changed, 2 insertions(+)

--- a/libdw/dwarf_getsrclines.c
+++ b/libdw/dwarf_getsrclines.c
@@ -293,8 +293,10 @@
   /* Consistency check.  */
   if (unlikely (linep != header_start + header_length))
     {
+#if 0
       __libdw_seterrno (DWARF_E_INVALID_DWARF);
       goto out;
+#endif
     }
 
   /* We are about to process the statement program.  Initialize the