diff -up openssh-8.5p1/addr.c.coverity openssh-8.5p1/addr.c

--- openssh-8.5p1/addr.c.coverity	2021-03-02 11:31:47.000000000 +0100

+++ openssh-8.5p1/addr.c	2021-03-24 12:03:33.782968159 +0100

@@ -312,8 +312,10 @@ addr_pton(const char *p, struct xaddr *n

 	if (p == NULL || getaddrinfo(p, NULL, &hints, &ai) != 0)

 		return -1;

-	if (ai == NULL || ai->ai_addr == NULL)

+	if (ai == NULL || ai->ai_addr == NULL) {

+		freeaddrinfo(ai);

 		return -1;

+	}

 	if (n != NULL && addr_sa_to_xaddr(ai->ai_addr, ai->ai_addrlen,

 	    n) == -1) {

@@ -336,12 +338,16 @@ addr_sa_pton(const char *h, const char *

 	if (h == NULL || getaddrinfo(h, s, &hints, &ai) != 0)

 		return -1;

-	if (ai == NULL || ai->ai_addr == NULL)

+	if (ai == NULL || ai->ai_addr == NULL) {

+		freeaddrinfo(ai);

 		return -1;

+	}

 	if (sa != NULL) {

-		if (slen < ai->ai_addrlen)

+		if (slen < ai->ai_addrlen) {

+			freeaddrinfo(ai);

 			return -1;

+		}

 		memcpy(sa, &ai->ai_addr, ai->ai_addrlen);

 	}

diff -up openssh-8.5p1/auth-krb5.c.coverity openssh-8.5p1/auth-krb5.c

--- openssh-8.5p1/auth-krb5.c.coverity	2021-03-24 12:03:33.724967756 +0100

+++ openssh-8.5p1/auth-krb5.c	2021-03-24 12:03:33.782968159 +0100

@@ -426,6 +426,7 @@ ssh_krb5_cc_new_unique(krb5_context ctx,

 		umask(old_umask);

 		if (tmpfd == -1) {

 			logit("mkstemp(): %.100s", strerror(oerrno));

+			free(ccname);

 			return oerrno;

 		}

@@ -433,6 +434,7 @@ ssh_krb5_cc_new_unique(krb5_context ctx,

 			oerrno = errno;

 			logit("fchmod(): %.100s", strerror(oerrno));

 			close(tmpfd);

+			free(ccname);

 			return oerrno;

 		}

 		/* make sure the KRB5CCNAME is set for non-standard location */

diff -up openssh-8.5p1/auth-options.c.coverity openssh-8.5p1/auth-options.c

--- openssh-8.5p1/auth-options.c.coverity	2021-03-02 11:31:47.000000000 +0100

+++ openssh-8.5p1/auth-options.c	2021-03-24 12:03:33.782968159 +0100

@@ -706,6 +708,7 @@ serialise_array(struct sshbuf *m, char *

 		return r;

 	}

 	/* success */

+	sshbuf_free(b);

 	return 0;

 }

diff -up openssh-7.4p1/channels.c.coverity openssh-7.4p1/channels.c

--- openssh-7.4p1/channels.c.coverity	2016-12-23 16:40:26.881788686 +0100

+++ openssh-7.4p1/channels.c	2016-12-23 16:42:36.244818763 +0100

@@ -1875,7 +1875,7 @@ channel_post_connecting(struct ssh *ssh,

 		debug("channel %d: connection failed: %s",

 		    c->self, strerror(err));

 		/* Try next address, if any */

-		if ((sock = connect_next(&c->connect_ctx)) > 0) {

+		if ((sock = connect_next(&c->connect_ctx)) >= 0) {

 			close(c->sock);

 			c->sock = c->rfd = c->wfd = sock;

 			channel_find_maxfd(ssh->chanctxt);

@@ -3804,7 +3804,7 @@ int

 channel_request_remote_forwarding(struct ssh *ssh, struct Forward *fwd)

 {

 	int r, success = 0, idx = -1;

-	char *host_to_connect, *listen_host, *listen_path;

+	char *host_to_connect = NULL, *listen_host = NULL, *listen_path = NULL;

 	int port_to_connect, listen_port;

 	/* Send the forward request to the remote side. */

@@ -3832,7 +3832,6 @@ channel_request_remote_forwarding(struct

 	success = 1;

 	if (success) {

 		/* Record that connection to this host/port is permitted. */

-		host_to_connect = listen_host = listen_path = NULL;

 		port_to_connect = listen_port = 0;

 		if (fwd->connect_path != NULL) {

 			host_to_connect = xstrdup(fwd->connect_path);

@@ -3853,6 +3852,9 @@ channel_request_remote_forwarding(struct

 		    host_to_connect, port_to_connect,

 		    listen_host, listen_path, listen_port, NULL);

 	}

+	free(host_to_connect);

+	free(listen_host);

+	free(listen_path);

 	return idx;

 }

diff -up openssh-8.5p1/compat.c.coverity openssh-8.5p1/compat.c

--- openssh-8.5p1/compat.c.coverity	2021-03-24 12:03:33.768968062 +0100

+++ openssh-8.5p1/compat.c	2021-03-24 12:03:33.783968166 +0100

@@ -191,10 +191,12 @@ compat_kex_proposal(struct ssh *ssh, cha

 		return p;

 	debug2_f("original KEX proposal: %s", p);

 	if ((ssh->compat & SSH_BUG_CURVE25519PAD) != 0)

+		/* coverity[overwrite_var : FALSE] */

 		if ((p = match_filter_denylist(p,

 		    "curve25519-sha256@libssh.org")) == NULL)

 			fatal("match_filter_denylist failed");

 	if ((ssh->compat & SSH_OLD_DHGEX) != 0) {

+		/* coverity[overwrite_var : FALSE] */

 		if ((p = match_filter_denylist(p,

 		    "diffie-hellman-group-exchange-sha256,"

 		    "diffie-hellman-group-exchange-sha1")) == NULL)

diff -up openssh-8.5p1/dns.c.coverity openssh-8.5p1/dns.c

--- openssh-8.5p1/dns.c.coverity	2021-03-02 11:31:47.000000000 +0100

+++ openssh-8.5p1/dns.c	2021-03-24 12:03:33.783968166 +0100

@@ -282,6 +282,7 @@ verify_host_key_dns(const char *hostname

		    &hostkey_digest, &hostkey_digest_len, hostkey)) {

			error("Error calculating key fingerprint.");

			freerrset(fingerprints);

+				free(dnskey_digest);

			return -1;

		}

diff -up openssh-8.5p1/gss-genr.c.coverity openssh-8.5p1/gss-genr.c

--- openssh-8.5p1/gss-genr.c.coverity	2021-03-26 11:52:46.613942552 +0100

+++ openssh-8.5p1/gss-genr.c	2021-03-26 11:54:37.881726318 +0100

@@ -167,8 +167,9 @@ ssh_gssapi_kex_mechs(gss_OID_set gss_sup

 			enclen = __b64_ntop(digest,

 			    ssh_digest_bytes(SSH_DIGEST_MD5), encoded,

 			    ssh_digest_bytes(SSH_DIGEST_MD5) * 2);

-

+#pragma GCC diagnostic ignored "-Wstringop-overflow"

 			cp = strncpy(s, kex, strlen(kex));

+#pragma pop

 			for ((p = strsep(&cp, ",")); p && *p != '\0';

 				(p = strsep(&cp, ","))) {

 				if (sshbuf_len(buf) != 0 &&

diff -up openssh-8.5p1/krl.c.coverity openssh-8.5p1/krl.c

--- openssh-8.5p1/krl.c.coverity	2021-03-02 11:31:47.000000000 +0100

+++ openssh-8.5p1/krl.c	2021-03-24 12:03:33.783968166 +0100

@@ -1209,6 +1209,7 @@ ssh_krl_from_blob(struct sshbuf *buf, st

 	sshkey_free(key);

 	sshbuf_free(copy);

 	sshbuf_free(sect);

+	/* coverity[leaked_storage : FALSE] */

 	return r;

 }

@@ -1261,6 +1262,7 @@ is_key_revoked(struct ssh_krl *krl, cons

 		return r;

 	erb = RB_FIND(revoked_blob_tree, &krl->revoked_sha1s, &rb);

 	free(rb.blob);

+	rb.blob = NULL; /* make coverity happy */

 	if (erb != NULL) {

 		KRL_DBG(("revoked by key SHA1"));

 		return SSH_ERR_KEY_REVOKED;

@@ -1271,6 +1273,7 @@ is_key_revoked(struct ssh_krl *krl, cons

 		return r;

 	erb = RB_FIND(revoked_blob_tree, &krl->revoked_sha256s, &rb);

 	free(rb.blob);

+	rb.blob = NULL; /* make coverity happy */

 	if (erb != NULL) {

 		KRL_DBG(("revoked by key SHA256"));

 		return SSH_ERR_KEY_REVOKED;

@@ -1282,6 +1285,7 @@ is_key_revoked(struct ssh_krl *krl, cons

 		return r;

 	erb = RB_FIND(revoked_blob_tree, &krl->revoked_keys, &rb);

 	free(rb.blob);

+	rb.blob = NULL; /* make coverity happy */

 	if (erb != NULL) {

 		KRL_DBG(("revoked by explicit key"));

 		return SSH_ERR_KEY_REVOKED;

diff -up openssh-8.5p1/loginrec.c.coverity openssh-8.5p1/loginrec.c

--- openssh-8.5p1/loginrec.c.coverity	2021-03-24 13:18:53.793225885 +0100

+++ openssh-8.5p1/loginrec.c	2021-03-24 13:21:27.948404751 +0100

@@ -690,9 +690,11 @@ construct_utmp(struct logininfo *li,

 	 */

 	/* Use strncpy because we don't necessarily want null termination */

+	/* coverity[buffer_size_warning : FALSE] */

 	strncpy(ut->ut_name, li->username,

 	    MIN_SIZEOF(ut->ut_name, li->username));

 # ifdef HAVE_HOST_IN_UTMP

+	/* coverity[buffer_size_warning : FALSE] */

 	strncpy(ut->ut_host, li->hostname,

 	    MIN_SIZEOF(ut->ut_host, li->hostname));

 # endif

@@ -1690,6 +1692,7 @@ record_failed_login(struct ssh *ssh, con

 	memset(&ut, 0, sizeof(ut));

 	/* strncpy because we don't necessarily want nul termination */

+	/* coverity[buffer_size_warning : FALSE] */

 	strncpy(ut.ut_user, username, sizeof(ut.ut_user));

 	strlcpy(ut.ut_line, "ssh:notty", sizeof(ut.ut_line));

@@ -1699,6 +1702,7 @@ record_failed_login(struct ssh *ssh, con

 	ut.ut_pid = getpid();

 	/* strncpy because we don't necessarily want nul termination */

+	/* coverity[buffer_size_warning : FALSE] */

 	strncpy(ut.ut_host, hostname, sizeof(ut.ut_host));

 	if (ssh_packet_connection_is_on_socket(ssh) &&

diff -up openssh-8.5p1/misc.c.coverity openssh-8.5p1/misc.c

--- openssh-8.5p1/misc.c.coverity	2021-03-24 12:03:33.745967902 +0100

+++ openssh-8.5p1/misc.c	2021-03-24 13:31:47.037079617 +0100

@@ -1425,6 +1425,8 @@ sanitise_stdfd(void)

 	}

 	if (nullfd > STDERR_FILENO)

 		close(nullfd);

+	/* coverity[leaked_handle : FALSE]*/

+	/* coverity[leaked_handle : FALSE]*/

 }

 char *

@@ -2511,6 +2513,7 @@ stdfd_devnull(int do_stdin, int do_stdou

 	}

 	if (devnull > STDERR_FILENO)

 		close(devnull);

+	/* coverity[leaked_handle : FALSE]*/

 	return ret;

 }

diff -up openssh-8.5p1/moduli.c.coverity openssh-8.5p1/moduli.c

--- openssh-8.5p1/moduli.c.coverity	2021-03-02 11:31:47.000000000 +0100

+++ openssh-8.5p1/moduli.c	2021-03-24 12:03:33.784968173 +0100

@@ -476,6 +476,7 @@ write_checkpoint(char *cpfile, u_int32_t

 	else

 		logit("failed to write to checkpoint file '%s': %s", cpfile,

 		    strerror(errno));

+	/* coverity[leaked_storage : FALSE] */

 }

 static unsigned long

diff -up openssh-7.4p1/monitor.c.coverity openssh-7.4p1/monitor.c

--- openssh-7.4p1/monitor.c.coverity	2016-12-23 16:40:26.888788688 +0100

+++ openssh-7.4p1/monitor.c	2016-12-23 16:40:26.900788691 +0100

@@ -411,7 +411,7 @@ monitor_child_preauth(Authctxt *_authctx

 	mm_get_keystate(ssh, pmonitor);

 	/* Drain any buffered messages from the child */

-	while (pmonitor->m_log_recvfd != -1 && monitor_read_log(pmonitor) == 0)

+	while (pmonitor->m_log_recvfd >= 0 && monitor_read_log(pmonitor) == 0)

 		;

 	if (pmonitor->m_recvfd >= 0)

@@ -1678,7 +1678,7 @@ mm_answer_pty(struct ssh *ssh, int sock,

 	s->ptymaster = s->ptyfd;

 	debug3_f("tty %s ptyfd %d", s->tty, s->ttyfd);

-

+	/* coverity[leaked_handle : FALSE] */

 	return (0);

  error:

diff -up openssh-7.4p1/monitor_wrap.c.coverity openssh-7.4p1/monitor_wrap.c

--- openssh-7.4p1/monitor_wrap.c.coverity	2016-12-23 16:40:26.892788689 +0100

+++ openssh-7.4p1/monitor_wrap.c	2016-12-23 16:40:26.900788691 +0100

@@ -525,10 +525,10 @@ mm_pty_allocate(int *ptyfd, int *ttyfd,

 	if ((tmp1 = dup(pmonitor->m_recvfd)) == -1 ||

 	    (tmp2 = dup(pmonitor->m_recvfd)) == -1) {

 		error_f("cannot allocate fds for pty");

-		if (tmp1 > 0)

+		if (tmp1 >= 0)

 			close(tmp1);

-		if (tmp2 > 0)

-			close(tmp2);

+		/*DEAD CODE if (tmp2 >= 0)

+			close(tmp2);*/

 		return 0;

 	}

 	close(tmp1);

diff -up openssh-7.4p1/openbsd-compat/bindresvport.c.coverity openssh-7.4p1/openbsd-compat/bindresvport.c

--- openssh-7.4p1/openbsd-compat/bindresvport.c.coverity	2016-12-19 05:59:41.000000000 +0100

+++ openssh-7.4p1/openbsd-compat/bindresvport.c	2016-12-23 16:40:26.901788691 +0100

@@ -58,7 +58,7 @@ bindresvport_sa(int sd, struct sockaddr

 	struct sockaddr_in6 *in6;

 	u_int16_t *portp;

 	u_int16_t port;

-	socklen_t salen;

+	socklen_t salen = sizeof(struct sockaddr_storage);

 	int i;

 	if (sa == NULL) {

diff -up openssh-8.7p1/openbsd-compat/bsd-pselect.c.coverity openssh-8.7p1/openbsd-compat/bsd-pselect.c

--- openssh-8.7p1/openbsd-compat/bsd-pselect.c.coverity	2021-08-30 16:36:11.357288009 +0200

+++ openssh-8.7p1/openbsd-compat/bsd-pselect.c	2021-08-30 16:37:21.791897976 +0200

@@ -113,13 +113,13 @@ pselect_notify_setup(void)

 static void

 pselect_notify_parent(void)

 {

-	if (notify_pipe[1] != -1)

+	if (notify_pipe[1] >= 0)

 		(void)write(notify_pipe[1], "", 1);

 }

 static void

 pselect_notify_prepare(fd_set *readset)

 {

-	if (notify_pipe[0] != -1)

+	if (notify_pipe[0] >= 0)

 		FD_SET(notify_pipe[0], readset);

 }

 static void

@@ -127,8 +127,8 @@ pselect_notify_done(fd_set *readset)

 {

 	char c;

-	if (notify_pipe[0] != -1 && FD_ISSET(notify_pipe[0], readset)) {

-		while (read(notify_pipe[0], &c, 1) != -1)

+	if (notify_pipe[0] >= 0 && FD_ISSET(notify_pipe[0], readset)) {

+		while (read(notify_pipe[0], &c, 1) >= 0)

 			debug2_f("reading");

 		FD_CLR(notify_pipe[0], readset);

 	}

diff -up openssh-8.5p1/readconf.c.coverity openssh-8.5p1/readconf.c

--- openssh-8.5p1/readconf.c.coverity	2021-03-24 12:03:33.778968131 +0100

+++ openssh-8.5p1/readconf.c	2021-03-24 12:03:33.785968180 +0100

@@ -1847,6 +1847,7 @@ parse_pubkey_algos:

 			} else if (r != 0) {

 				error("%.200s line %d: glob failed for %s.",

 				    filename, linenum, arg2);

+				free(arg2);

 				goto out;

 			}

 			free(arg2);

diff -up openssh-8.7p1/scp.c.coverity openssh-8.7p1/scp.c

--- openssh-8.7p1/scp.c.coverity	2021-08-30 16:23:35.389741329 +0200

+++ openssh-8.7p1/scp.c	2021-08-30 16:27:04.854555296 +0200

@@ -186,11 +186,11 @@ killchild(int signo)

 {

 	if (do_cmd_pid > 1) {

 		kill(do_cmd_pid, signo ? signo : SIGTERM);

-		waitpid(do_cmd_pid, NULL, 0);

+		(void) waitpid(do_cmd_pid, NULL, 0);

 	}

 	if (do_cmd_pid2 > 1) {

 		kill(do_cmd_pid2, signo ? signo : SIGTERM);

-		waitpid(do_cmd_pid2, NULL, 0);

+		(void) waitpid(do_cmd_pid2, NULL, 0);

 	}

 	if (signo)

diff -up openssh-7.4p1/servconf.c.coverity openssh-7.4p1/servconf.c

--- openssh-7.4p1/servconf.c.coverity	2016-12-23 16:40:26.896788690 +0100

+++ openssh-7.4p1/servconf.c	2016-12-23 16:40:26.901788691 +0100

@@ -1638,8 +1638,9 @@ process_server_config_line(ServerOptions

 		if (*activep && *charptr == NULL) {

 			*charptr = tilde_expand_filename(arg, getuid());

 			/* increase optional counter */

-			if (intptr != NULL)

-				*intptr = *intptr + 1;

+			/* DEAD CODE intptr is still NULL ;)

+  			 if (intptr != NULL)

+				*intptr = *intptr + 1; */

 		}

 		break;

diff -up openssh-8.7p1/serverloop.c.coverity openssh-8.7p1/serverloop.c

--- openssh-8.7p1/serverloop.c.coverity	2021-08-20 06:03:49.000000000 +0200

+++ openssh-8.7p1/serverloop.c	2021-08-30 16:28:22.416226981 +0200

@@ -547,7 +547,7 @@ server_request_tun(struct ssh *ssh)

 		debug_f("invalid tun");

 		goto done;

 	}

-	if (auth_opts->force_tun_device != -1) {

+	if (auth_opts->force_tun_device >= 0) {

 		if (tun != SSH_TUNID_ANY &&

 		    auth_opts->force_tun_device != (int)tun)

 			goto done;

diff -up openssh-8.5p1/session.c.coverity openssh-8.5p1/session.c

--- openssh-8.5p1/session.c.coverity	2021-03-24 12:03:33.777968124 +0100

+++ openssh-8.5p1/session.c	2021-03-24 12:03:33.786968187 +0100

@@ -1223,12 +1223,14 @@ do_setup_env(struct ssh *ssh, Session *s

 	/* Environment specified by admin */

 	for (i = 0; i < options.num_setenv; i++) {

 		cp = xstrdup(options.setenv[i]);

+		/* coverity[overwrite_var : FALSE] */

 		if ((value = strchr(cp, '=')) == NULL) {

 			/* shouldn't happen; vars are checked in servconf.c */

 			fatal("Invalid config SetEnv: %s", options.setenv[i]);

 		}

 		*value++ = '\0';

 		child_set_env(&env, &envsize, cp, value);

+		free(cp);

 	}

 	/* SSH_CLIENT deprecated */

diff -up openssh-7.4p1/sftp.c.coverity openssh-7.4p1/sftp.c

--- openssh-7.4p1/sftp.c.coverity	2016-12-19 05:59:41.000000000 +0100

+++ openssh-7.4p1/sftp.c	2016-12-23 16:40:26.903788691 +0100

@@ -224,7 +224,7 @@ killchild(int signo)

 	pid = sshpid;

 	if (pid > 1) {

 		kill(pid, SIGTERM);

-		waitpid(pid, NULL, 0);

+		(void) waitpid(pid, NULL, 0);

 	}

 	_exit(1);

@@ -762,6 +762,8 @@ process_put(struct sftp_conn *conn, cons

 			    fflag || global_fflag, 0) == -1)

 				err = -1;

 		}

+		free(abs_dst);

+		abs_dst = NULL;

 	}

 out:

@@ -985,6 +987,7 @@ do_globbed_ls(struct sftp_conn *conn, co

 		if (lflag & LS_LONG_VIEW) {

 			if (g.gl_statv[i] == NULL) {

 				error("no stat information for %s", fname);

+				free(fname);

 				continue;

 			}

 			lname = ls_file(fname, g.gl_statv[i], 1,

diff --git a/sftp-client.c b/sftp-client.c

index 9de9afa20f..ea98d9f8d0 100644

--- a/sftp-client.c

+++ b/sftp-client.c

@@ -2195,6 +2195,7 @@ handle_dest_replies(struct sftp_conn *to, const char *to_path, int synchronous,

 		(*nreqsp)--;

 	}

 	debug3_f("done: %u outstanding replies", *nreqsp);

+	sshbuf_free(msg);

 }

 int

diff --git a/sftp-server.c b/sftp-server.c

index 18d1949112..6380c4dd23 100644

--- a/sftp-server.c

+++ b/sftp-server.c

@@ -1553,6 +1553,7 @@ process_extended_expand(u_int32_t id)

 			npath = xstrdup(path + 2);

 			free(path);

 			xasprintf(&path, "%s/%s", cwd, npath);

+			free(npath);

 		} else {

 			/* ~user expansions */

 			if (tilde_expand(path, pw->pw_uid, &npath) != 0) {

diff -up openssh-8.5p1/sk-usbhid.c.coverity openssh-8.5p1/sk-usbhid.c

--- openssh-8.5p1/sk-usbhid.c.coverity	2021-03-02 11:31:47.000000000 +0100

+++ openssh-8.5p1/sk-usbhid.c	2021-03-24 12:03:33.786968187 +0100

@@ -1256,6 +1256,7 @@ sk_load_resident_keys(const char *pin, s

 		freezero(rks[i], sizeof(*rks[i]));

 	}

 	free(rks);

+	free(device);

 	return ret;

 }

diff -up openssh-7.4p1/ssh-agent.c.coverity openssh-7.4p1/ssh-agent.c

--- openssh-7.4p1/ssh-agent.c.coverity	2016-12-19 05:59:41.000000000 +0100

+++ openssh-7.4p1/ssh-agent.c	2016-12-23 16:40:26.903788691 +0100

@@ -869,6 +869,7 @@ sanitize_pkcs11_provider(const char *pro

 		if (pkcs11_uri_parse(provider, uri) != 0) {

 			error("Failed to parse PKCS#11 URI");

+			pkcs11_uri_cleanup(uri);

 			return NULL;

 		}

 		/* validate also provider from URI */

@@ -1220,8 +1220,8 @@ main(int ac, char **av)

 	sanitise_stdfd();

 	/* drop */

-	setegid(getgid());

-	setgid(getgid());

+	(void) setegid(getgid());

+	(void) setgid(getgid());

 	platform_disable_tracing(0);	/* strict=no */

diff -up openssh-8.5p1/ssh.c.coverity openssh-8.5p1/ssh.c

--- openssh-8.5p1/ssh.c.coverity	2021-03-24 12:03:33.779968138 +0100

+++ openssh-8.5p1/ssh.c	2021-03-24 12:03:33.786968187 +0100

@@ -1746,6 +1746,7 @@ control_persist_detach(void)

 		close(muxserver_sock);

 		muxserver_sock = -1;

 		options.control_master = SSHCTL_MASTER_NO;

+		/* coverity[leaked_handle: FALSE]*/

 		muxclient(options.control_path);

 		/* muxclient() doesn't return on success. */

 		fatal("Failed to connect to new control master");

diff -up openssh-7.4p1/sshd.c.coverity openssh-7.4p1/sshd.c

--- openssh-7.4p1/sshd.c.coverity	2016-12-23 16:40:26.897788690 +0100

+++ openssh-7.4p1/sshd.c	2016-12-23 16:40:26.904788692 +0100

@@ -691,8 +691,10 @@ privsep_preauth(Authctxt *authctxt)

 		privsep_preauth_child(ssh);

 		setproctitle("%s", "[net]");

-		if (box != NULL)

+		if (box != NULL) {

 			ssh_sandbox_child(box);

+			free(box);

+		}

 		return 0;

 	}

@@ -1386,6 +1388,9 @@ server_accept_loop(int *sock_in, int *so

 			explicit_bzero(rnd, sizeof(rnd));

 		}

 	}

+

+	if (fdset != NULL)

+		free(fdset);

 }

 /*

@@ -2474,7 +2479,7 @@ do_ssh2_kex(struct ssh *ssh)

 	if (options.rekey_limit || options.rekey_interval)

 		ssh_packet_set_rekey_limits(ssh, options.rekey_limit,

 		    options.rekey_interval);

-

+	/* coverity[leaked_storage : FALSE]*/

 	myproposal[PROPOSAL_SERVER_HOST_KEY_ALGS] = compat_pkalg_proposal(

 	    ssh, list_hostkey_types());

@@ -2519,8 +2524,11 @@ do_ssh2_kex(struct ssh *ssh)

 	if (newstr)

 		myproposal[PROPOSAL_KEX_ALGS] = newstr;

-	else

+	else {

 		fatal("No supported key exchange algorithms");

+		free(gss);

+	     }

+	     /* coverity[leaked_storage: FALSE]*/

 	}

 #endif

diff -up openssh-8.5p1/ssh-keygen.c.coverity openssh-8.5p1/ssh-keygen.c

--- openssh-8.5p1/ssh-keygen.c.coverity	2021-03-24 12:03:33.780968145 +0100

+++ openssh-8.5p1/ssh-keygen.c	2021-03-24 12:03:33.787968194 +0100

@@ -2332,6 +2332,9 @@ update_krl_from_file(struct passwd *pw,

 			r = ssh_krl_revoke_key_sha256(krl, blob, blen);

 			if (r != 0)

 				fatal_fr(r, "revoke key failed");

+			freezero(blob, blen);

+			blob = NULL;

+			blen = 0;

 		} else {

 			if (strncasecmp(cp, "key:", 4) == 0) {

 				cp += 4;

@@ -2879,6 +2882,7 @@ do_moduli_screen(const char *out_file, c

 		} else if (strncmp(opts[i], "start-line=", 11) == 0) {

 			start_lineno = strtoul(opts[i]+11, NULL, 10);

 		} else if (strncmp(opts[i], "checkpoint=", 11) == 0) {

+			free(checkpoint);

 			checkpoint = xstrdup(opts[i]+11);

 		} else if (strncmp(opts[i], "generator=", 10) == 0) {

 			generator_wanted = (u_int32_t)strtonum(

@@ -2920,6 +2924,9 @@ do_moduli_screen(const char *out_file, c

 #else /* WITH_OPENSSL */

 	fatal("Moduli screening is not supported");

 #endif /* WITH_OPENSSL */

+	free(checkpoint);

+	if (in != stdin)

+		fclose(in);

 }

 static char *

diff -up openssh-8.5p1/sshsig.c.coverity openssh-8.5p1/sshsig.c

--- openssh-8.5p1/sshsig.c.coverity	2021-03-02 11:31:47.000000000 +0100

+++ openssh-8.5p1/sshsig.c	2021-03-24 12:03:33.787968194 +0100

@@ -515,6 +515,7 @@ hash_file(int fd, const char *hashalg, s

 			oerrno = errno;

 			error_f("read: %s", strerror(errno));

 			ssh_digest_free(ctx);

+			ctx = NULL;

 			errno = oerrno;

 			r = SSH_ERR_SYSTEM_ERROR;

 			goto out;