From: Nick Clifton <nickc@redhat.com>
Date: Tue, 28 Mar 2000 01:11:27 +0000 (+0000)
Subject: catch out of range string offset in corrupt stab entry
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=3b7aaf81e12ebca815b5f977369cd7a7681274db;p=binutils-gdb.git

catch out of range string offset in corrupt stab entry
---

diff --git a/binutils/ChangeLog b/binutils/ChangeLog
index f314b1c6fd7..304745e6fab 100644
--- a/binutils/ChangeLog
+++ b/binutils/ChangeLog
@@ -1,3 +1,8 @@
+2000-03-27  Nick Clifton  <nickc@cygnus.com>
+
+	* rddbg.c (read_section_stabs_debugging_info): Catch out of range
+	string offsets in corrupt stabs entries.
+
 2000-03-27  Alan Modra  <alan@linuxcare.com>
 
 	* readelf.c: Include elf/avr.h
diff --git a/binutils/rddbg.c b/binutils/rddbg.c
index 9428c37ad5c..e26056e6cfc 100644
--- 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)
 		    {