3 files changed, 5 insertions, 1 deletions

diff --git a/lib/libedit/term.c b/lib/libedit/term.c
index e85e41bd316ad..0dc0bc98bd8f5 100644
--- a/lib/libedit/term.c
+++ b/lib/libedit/term.c
@@ -234,6 +234,7 @@ term_init(el)
     el->el_term.t_buf = (char *)  el_malloc(TC_BUFSIZE);
     el->el_term.t_cap = (char *)  el_malloc(TC_BUFSIZE);
     el->el_term.t_fkey = (fkey_t *) el_malloc(4 * sizeof(fkey_t));
+    (void) memset(el->el_term.t_fkey, 0, 4 * sizeof(fkey_t));
     el->el_term.t_loc = 0;
     el->el_term.t_str = (char **) el_malloc(T_str * sizeof(char*));
     (void) memset(el->el_term.t_str, 0, T_str * sizeof(char*));
diff --git a/lib/libkvm/kvm.c b/lib/libkvm/kvm.c
index 753d06a6017dc..3c95b855c2b3f 100644
--- a/lib/libkvm/kvm.c
+++ b/lib/libkvm/kvm.c
@@ -157,6 +157,7 @@ _kvm_malloc(kd, n)
 
 	if ((p = malloc(n)) == NULL)
 		_kvm_err(kd, kd->program, strerror(errno));
+	memset(p, 0, n);
 	return (p);
 }
 
@@ -275,6 +276,7 @@ kvm_openfiles(uf, mf, sf, flag, errout)
 		(void)strcpy(errout, strerror(errno));
 		return (0);
 	}
+	memset(kd, 0, sizeof(*kd));
 	kd->program = 0;
 	return (_kvm_open(kd, uf, mf, sf, flag, errout));
 }
@@ -295,6 +297,7 @@ kvm_open(uf, mf, sf, flag, errstr)
 				      errstr, strerror(errno));
 		return (0);
 	}
+	memset(kd, 0, sizeof(*kd));
 	kd->program = errstr;
 	return (_kvm_open(kd, uf, mf, sf, flag, NULL));
 }
diff --git a/usr.bin/tail/read.c b/usr.bin/tail/read.c
index dc570a3d365ea..ad29dbd917632 100644
--- a/usr.bin/tail/read.c
+++ b/usr.bin/tail/read.c
@@ -142,7 +142,7 @@ lines(fp, off)
 
 	if ((lines = malloc(off * sizeof(*lines))) == NULL)
 		err(1, "%s", strerror(errno));
-
+	bzero(lines, off * sizeof(*lines));
 	sp = NULL;
 	blen = cnt = recno = wrap = 0;