From: Todd C. Miller <Todd.Miller@courtesan.com>
Date: Mon, 12 Mar 2012 12:54:40 +0000 (-0400)
Subject: Don't try to erealloc() a potentially freed pointer; Mateusz Guzik
X-Git-Tag: SUDO_1_8_4p3~5
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=74302a5730faa774416df63fbf73187662d0d0d0;p=sudo

Don't try to erealloc() a potentially freed pointer; Mateusz Guzik

--HG--
branch : 1.8
---

diff --git a/src/ttyname.c b/src/ttyname.c
index e7030f846..f1af670f8 100644
--- a/src/ttyname.c
+++ b/src/ttyname.c
@@ -87,7 +87,7 @@ char *
 get_process_ttyname(void)
 {
     char *tty = NULL;
-    struct sudo_kinfo_proc *ki_proc = NULL;
+    struct sudo_kinfo_proc *ki_proc;
     size_t size = sizeof(*ki_proc);
     int i, mib[6], rc;
     debug_decl(get_process_ttyname, SUDO_DEBUG_UTIL)
@@ -105,7 +105,7 @@ get_process_ttyname(void)
 	mib[5] = 1;
 	do {
 	    size += size / 10;
-	    ki_proc = erealloc(ki_proc, size);
+	    ki_proc = emalloc(size);
 	    rc = sysctl(mib, sudo_kp_namelen, ki_proc, &size, NULL, 0);
 	} while (rc == -1 && errno == ENOMEM);
 	if (rc != -1) {