Module Name: src
Committed By: yamt
Date: Sat Nov 19 08:56:20 UTC 2022
Modified Files:
src/usr.bin/netstat: bpf.c
Log Message:
netstat/bpf.c: Don't print garbage for stale pid
To generate a diff of this commit:
cvs rdiff -u -r1.16 -r1.17 src/usr.bin/netstat/bpf.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/usr.bin/netstat/bpf.c
diff -u src/usr.bin/netstat/bpf.c:1.16 src/usr.bin/netstat/bpf.c:1.17
--- src/usr.bin/netstat/bpf.c:1.16 Thu Sep 1 10:10:20 2022
+++ src/usr.bin/netstat/bpf.c Sat Nov 19 08:56:20 2022
@@ -1,4 +1,4 @@
-/* $NetBSD: bpf.c,v 1.16 2022/09/01 10:10:20 msaitoh Exp $ */
+/* $NetBSD: bpf.c,v 1.17 2022/11/19 08:56:20 yamt Exp $ */
/*
* Copyright (c) 2005 The NetBSD Foundation, Inc.
@@ -162,8 +162,13 @@ bpf_dump(const char *bpfif)
name[namelen++] = szproc;
name[namelen++] = 1;
+ /*
+ * Note: The sysctl succeeds (returns 0) even if it failed
+ * to find the process. The szproc check below is to detect
+ * that case.
+ */
if (prog_sysctl(&name[0], namelen, &p, &szproc,
- NULL, 0) == -1)
+ NULL, 0) == -1 || szproc != sizeof(p))
printf("-\n");
else
printf("%s\n", p.p_comm);
