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-rw-r--r--README6
1 files changed, 4 insertions, 2 deletions
diff --git a/README b/README
index bf5a812..7c766ec 100644
--- a/README
+++ b/README
@@ -4,7 +4,7 @@ NAME
      fail – crash in various possible ways
 
 SYNOPSIS
-     fail [-123DORabcdikrst]
+     fail [-123DORSabcdikrst]
 
 DESCRIPTION
      fail crashes in various possible ways to help you debug how other
@@ -32,6 +32,8 @@ DESCRIPTION
      -R      Trigger an infinite recursion that uses alloca(3) heavily (to
              test GCC's -fstack-clash-protection).
 
+     -S      Smash the stack using strcpy(3), to test GCC's -fstack-protector.
+
      -a      Call abort(3).
 
      -b      Trigger SIGBUS by accessing mmap(2) memory beyond the end of a
@@ -69,4 +71,4 @@ LICENSE
 
      http://creativecommons.org/publicdomain/zero/1.0/
 
-Void Linux                     January 11, 2019                     Void Linux
+Void Linux                     December 19, 2019                    Void Linux