svn commit: r366914 - head/sys/dev/ntb/test

[Eric van Gyzen]

Author: vangyzen
Date: Wed Oct 21 17:11:57 2020
New Revision: 366914
URL: https://svnweb.freebsd.org/changeset/base/366914

Log:
  ntb_tool: ubuf is too small to hold a human readable 64 bit value
  
  ubuf buffer is too small. It should be 18 if a NULL is not needed,
  or 19 to hold the NULL terminator for the full 64-BIT value plus
  the 0x prefix.
  
  Submitted by:	bret_ketchum at dell.com
  Reviewed by:	markj mav
  MFC after:	2 weeks
  Sponsored by:	Dell EMC Isilon
  Differential Revision:	https://reviews.freebsd.org/D26893

Modified:
  head/sys/dev/ntb/test/ntb_tool.c

Modified: head/sys/dev/ntb/test/ntb_tool.c
==============================================================================
--- head/sys/dev/ntb/test/ntb_tool.c	Wed Oct 21 16:30:34 2020	(r366913)
+++ head/sys/dev/ntb/test/ntb_tool.c	Wed Oct 21 17:11:57 2020	(r366914)
@@ -384,7 +384,7 @@ get_ubuf(struct sysctl_req *req, char *ubuf)
 static int
 read_out(struct sysctl_req *req, uint64_t val)
 {
-	char ubuf[16];
+	char ubuf[19];
 
 	memset((void *)ubuf, 0, sizeof(ubuf));
 	snprintf(ubuf, sizeof(ubuf), "0x%jx", val);