svn commit: r259964 - stable/9/lib/libproc

[Mark Johnston]

Author: markj
Date: Fri Dec 27 22:14:03 2013
New Revision: 259964
URL: http://svnweb.freebsd.org/changeset/base/259964

Log:
  MFC r257300:
  Fix an off-by-one error when checking whether a given address is within
  the extent of a symbol.

Modified:
  stable/9/lib/libproc/proc_sym.c
Directory Properties:
  stable/9/lib/libproc/   (props changed)

Modified: stable/9/lib/libproc/proc_sym.c
==============================================================================
--- stable/9/lib/libproc/proc_sym.c	Fri Dec 27 22:05:51 2013	(r259963)
+++ stable/9/lib/libproc/proc_sym.c	Fri Dec 27 22:14:03 2013	(r259964)
@@ -263,7 +263,7 @@ proc_addr2sym(struct proc_handle *p, uin
 		 * by rtld.
 		 */
 		rsym = map->pr_vaddr + sym.st_value;
-		if (addr >= rsym && addr <= (rsym + sym.st_size)) {
+		if (addr >= rsym && addr < rsym + sym.st_size) {
 			s = elf_strptr(e, dynsymstridx, sym.st_name);
 			if (s) {
 				strlcpy(name, s, namesz);
@@ -299,7 +299,7 @@ proc_addr2sym(struct proc_handle *p, uin
 			rsym = map->pr_vaddr + sym.st_value;
 		else
 			rsym = sym.st_value;
-		if (addr >= rsym && addr <= (rsym + sym.st_size)) {
+		if (addr >= rsym && addr < rsym + sym.st_size) {
 			s = elf_strptr(e, symtabstridx, sym.st_name);
 			if (s) {
 				strlcpy(name, s, namesz);