debugedit: edit_dwarf2 check lndx is in range before checking r_offset.

2017-10-13 23:27:32 +02:00 · 2017-10-13 23:27:32 +02:00 · 846b83212c
commit 846b83212c
parent b4ecfcfff1
1 changed files with 4 additions and 4 deletions
--- a/tools/debugedit.c
+++ b/tools/debugedit.c
@ -2141,10 +2141,10 @@ edit_dwarf2 (DSO *dso)
 			  r_offset = rel.r_offset;
 			}

-		      while (r_offset > (dso->lines.table[lndx].old_idx
-					 + 4
-					 + dso->lines.table[lndx].unit_length)
-			     && lndx < dso->lines.used)
+		      while (lndx < dso->lines.used
+			     && r_offset > (dso->lines.table[lndx].old_idx
+					    + 4
+					    + dso->lines.table[lndx].unit_length))
 			lndx++;

 		      if (lndx >= dso->lines.used)