[patch] Lubomir Rintel's patch rebased on elfutils-0.143

elfutils-0.143-elf32_updatefile.c.patch (text/plain), 789 bytes, created by Hugo Mildenberger on 2009-10-23 23:02:54 UTC

#if fill_mmap() was run for a section that's past the shdr_end, but does
#not immediately follow the section headers the fill start would be
#determined incorrectly as shdr_end, which would wipe off contents of
#sections between shdr_end and current one.
--- a/libelf/elf32_updatefile.c	2009-10-23 21:33:06.000000000 +0200
+++ b/libelf/elf32_updatefile.c	2009-10-23 21:39:38.000000000 +0200
@@ -322,8 +322,11 @@
 
 	    if (last_position + written != scn_start + offset
 		&& shdr_end < scn_start + offset)
-	      memset (shdr_end, __libelf_fill_byte,
-		      scn_start + offset - shdr_end);
+	      {
+		char *fill_start = MAX (shdr_end, scn_start);
+		memset (fill_start, __libelf_fill_byte,
+			scn_start + offset - fill_start);
+	      }
 	  }
 
 	  if (scn->data_list_rear != NULL)