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View File elfutils-0.137-dwarf-header-check-fix.diff of Package elfutils (Project Ports:ARM:Base:build:cross)

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
@@ -337,8 +337,10 @@
       /* 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