From 1bffa441660770a03fb287124c1ac84ec8b8677a Mon Sep 17 00:00:00 2001
From: Edward Tomasz Napierala <trasz@FreeBSD.org>
Date: Tue, 4 May 2021 15:22:36 +0100
Subject: [PATCH] ptrace: document ENOMEM

Reviewed By:	emaste, markj
Sponsored By:	EPSRC
Differential Revision:	https://reviews.freebsd.org/D29960
---
 lib/libc/sys/ptrace.2 | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/lib/libc/sys/ptrace.2 b/lib/libc/sys/ptrace.2
index 6148e6d333d5..0135db98dc97 100644
--- a/lib/libc/sys/ptrace.2
+++ b/lib/libc/sys/ptrace.2
@@ -2,7 +2,7 @@
 .\"	$NetBSD: ptrace.2,v 1.2 1995/02/27 12:35:37 cgd Exp $
 .\"
 .\" This file is in the public domain.
-.Dd April 10, 2021
+.Dd May 4, 2021
 .Dt PTRACE 2
 .Os
 .Sh NAME
@@ -1211,6 +1211,17 @@ above.
 previously returned the last entry of the memory map.
 No more entries exist.
 .El
+.It Bq Er ENOMEM
+.Bl -bullet -compact
+.It
+A
+.Dv PT_READ_I,
+.Dv PT_READ_D,
+.Dv PT_WRITE_I, or
+.Dv PT_WRITE_D
+request attempted to access an invalid address, or a memory allocation failure
+occurred when accessing process memory.
+.El
 .It Bq Er ENAMETOOLONG
 .Bl -bullet -compact
 .It