catch out of range string offset in corrupt stab entry

[deliverable/binutils-gdb.git] / binutils / rddbg.c

diff --git a/binutils/rddbg.c b/binutils/rddbg.c
index 9428c37ad5ce713bf1c644e1cf317d6721892fc0..e26056e6cfc446adeee4c99cd3486a7886b8b529 100644 (file)
--- a/binutils/rddbg.c
+++ b/binutils/rddbg.c
@@ -185,7 +185,17 @@ read_section_stabs_debugging_info (abfd, syms, symcount, dhandle, pfound)
                  char *f, *s;
 
                  f = NULL;
+                 
+                 if (stroff + strx > strsize)
+                   {
+                     fprintf (stderr, "%s: %s: stab entry %d is corrupt, strx = 0x%x, type = %d\n",
+                              bfd_get_filename (abfd), names[i].secname,
+                              (stab - stabs) / 12, strx, type);
+                     continue;
+                   }
+                 
                  s = (char *) strings + stroff + strx;
+                 
                  while (s[strlen (s) - 1] == '\\'
                         && stab + 12 < stabs + stabsize)
                    {