Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net

Two easy cases of overlapping changes.

Signed-off-by: David S. Miller <davem@davemloft.net>

18 files changed, 415 insertions, 45 deletions

diff --git a/tools/include/uapi/sound/asound.h b/tools/include/uapi/sound/asound.h
index 404d4b9ffe76..df1153cea0b7 100644
--- a/tools/include/uapi/sound/asound.h
+++ b/tools/include/uapi/sound/asound.h
@@ -32,6 +32,7 @@
 
 #ifndef __KERNEL__
 #include <stdlib.h>
+#include <time.h>
 #endif
 
 /*
diff --git a/tools/lib/traceevent/event-parse.c b/tools/lib/traceevent/event-parse.c
index 87494c7c619d..981c6ce2da2c 100644
--- a/tools/lib/traceevent/event-parse.c
+++ b/tools/lib/traceevent/event-parse.c
@@ -2233,7 +2233,7 @@ eval_type_str(unsigned long long val, const char *type, int pointer)
 		return val & 0xffffffff;
 
 	if (strcmp(type, "u64") == 0 ||
-	    strcmp(type, "s64"))
+	    strcmp(type, "s64") == 0)
 		return val;
 
 	if (strcmp(type, "s8") == 0)
diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c
index 49ee3c2033ec..c3625ec374e0 100644
--- a/tools/perf/builtin-stat.c
+++ b/tools/perf/builtin-stat.c
@@ -1308,6 +1308,7 @@ static void init_features(struct perf_session *session)
 	for (feat = HEADER_FIRST_FEATURE; feat < HEADER_LAST_FEATURE; feat++)
 		perf_header__set_feat(&session->header, feat);
 
+	perf_header__clear_feat(&session->header, HEADER_DIR_FORMAT);
 	perf_header__clear_feat(&session->header, HEADER_BUILD_ID);
 	perf_header__clear_feat(&session->header, HEADER_TRACING_DATA);
 	perf_header__clear_feat(&session->header, HEADER_BRANCH_STACK);
diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c
index 1999d6533d12..fbbb0da43abb 100644
--- a/tools/perf/builtin-top.c
+++ b/tools/perf/builtin-top.c
@@ -1377,6 +1377,7 @@ int cmd_top(int argc, const char **argv)
 			 * */
 			.overwrite	= 0,
 			.sample_time	= true,
+			.sample_time_set = true,
 		},
 		.max_stack	     = sysctl__max_stack(),
 		.annotation_opts     = annotation__default_options,
diff --git a/tools/perf/scripts/python/export-to-sqlite.py b/tools/perf/scripts/python/export-to-sqlite.py
index 3b71902a5a21..bf271fbc3a88 100644
--- a/tools/perf/scripts/python/export-to-sqlite.py
+++ b/tools/perf/scripts/python/export-to-sqlite.py
@@ -331,7 +331,7 @@ if perf_db_export_calls:
 			'return_id,'
 			'CASE WHEN flags=0 THEN \'\' WHEN flags=1 THEN \'no call\' WHEN flags=2 THEN \'no return\' WHEN flags=3 THEN \'no call/return\' WHEN flags=6 THEN \'jump\' ELSE flags END AS flags,'
 			'parent_call_path_id,'
-			'parent_id'
+			'calls.parent_id'
 		' FROM calls INNER JOIN call_paths ON call_paths.id = call_path_id')
 
 do_query(query, 'CREATE VIEW samples_view AS '
diff --git a/tools/perf/util/env.c b/tools/perf/util/env.c
index c6351b557bb0..9494f9dc61ec 100644
--- a/tools/perf/util/env.c
+++ b/tools/perf/util/env.c
@@ -57,9 +57,11 @@ struct bpf_prog_info_node *perf_env__find_bpf_prog_info(struct perf_env *env,
 		else if (prog_id > node->info_linear->info.id)
 			n = n->rb_right;
 		else
-			break;
+			goto out;
 	}
+	node = NULL;
 
+out:
 	up_read(&env->bpf_progs.lock);
 	return node;
 }
@@ -109,10 +111,12 @@ struct btf_node *perf_env__find_btf(struct perf_env *env, __u32 btf_id)
 		else if (btf_id > node->id)
 			n = n->rb_right;
 		else
-			break;
+			goto out;
 	}
+	node = NULL;
 
 	up_read(&env->bpf_progs.lock);
+out:
 	return node;
 }
 
diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c
index 6689378ee577..51ead577533f 100644
--- a/tools/perf/util/evlist.c
+++ b/tools/perf/util/evlist.c
@@ -1868,12 +1868,12 @@ static void *perf_evlist__poll_thread(void *arg)
 {
 	struct perf_evlist *evlist = arg;
 	bool draining = false;
-	int i;
+	int i, done = 0;
+
+	while (!done) {
+		bool got_data = false;
 
-	while (draining || !(evlist->thread.done)) {
-		if (draining)
-			draining = false;
-		else if (evlist->thread.done)
+		if (evlist->thread.done)
 			draining = true;
 
 		if (!draining)
@@ -1894,9 +1894,13 @@ static void *perf_evlist__poll_thread(void *arg)
 					pr_warning("cannot locate proper evsel for the side band event\n");
 
 				perf_mmap__consume(map);
+				got_data = true;
 			}
 			perf_mmap__read_done(map);
 		}
+
+		if (draining && !got_data)
+			break;
 	}
 	return NULL;
 }
diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c
index 66d066f18b5b..966360844fff 100644
--- a/tools/perf/util/evsel.c
+++ b/tools/perf/util/evsel.c
@@ -2368,7 +2368,7 @@ int perf_evsel__parse_sample(struct perf_evsel *evsel, union perf_event *event,
 		if (data->user_regs.abi) {
 			u64 mask = evsel->attr.sample_regs_user;
 
-			sz = hweight_long(mask) * sizeof(u64);
+			sz = hweight64(mask) * sizeof(u64);
 			OVERFLOW_CHECK(array, sz, max_size);
 			data->user_regs.mask = mask;
 			data->user_regs.regs = (u64 *)array;
@@ -2424,7 +2424,7 @@ int perf_evsel__parse_sample(struct perf_evsel *evsel, union perf_event *event,
 		if (data->intr_regs.abi != PERF_SAMPLE_REGS_ABI_NONE) {
 			u64 mask = evsel->attr.sample_regs_intr;
 
-			sz = hweight_long(mask) * sizeof(u64);
+			sz = hweight64(mask) * sizeof(u64);
 			OVERFLOW_CHECK(array, sz, max_size);
 			data->intr_regs.mask = mask;
 			data->intr_regs.regs = (u64 *)array;
@@ -2552,7 +2552,7 @@ size_t perf_event__sample_event_size(const struct perf_sample *sample, u64 type,
 	if (type & PERF_SAMPLE_REGS_USER) {
 		if (sample->user_regs.abi) {
 			result += sizeof(u64);
-			sz = hweight_long(sample->user_regs.mask) * sizeof(u64);
+			sz = hweight64(sample->user_regs.mask) * sizeof(u64);
 			result += sz;
 		} else {
 			result += sizeof(u64);
@@ -2580,7 +2580,7 @@ size_t perf_event__sample_event_size(const struct perf_sample *sample, u64 type,
 	if (type & PERF_SAMPLE_REGS_INTR) {
 		if (sample->intr_regs.abi) {
 			result += sizeof(u64);
-			sz = hweight_long(sample->intr_regs.mask) * sizeof(u64);
+			sz = hweight64(sample->intr_regs.mask) * sizeof(u64);
 			result += sz;
 		} else {
 			result += sizeof(u64);
@@ -2710,7 +2710,7 @@ int perf_event__synthesize_sample(union perf_event *event, u64 type,
 	if (type & PERF_SAMPLE_REGS_USER) {
 		if (sample->user_regs.abi) {
 			*array++ = sample->user_regs.abi;
-			sz = hweight_long(sample->user_regs.mask) * sizeof(u64);
+			sz = hweight64(sample->user_regs.mask) * sizeof(u64);
 			memcpy(array, sample->user_regs.regs, sz);
 			array = (void *)array + sz;
 		} else {
@@ -2746,7 +2746,7 @@ int perf_event__synthesize_sample(union perf_event *event, u64 type,
 	if (type & PERF_SAMPLE_REGS_INTR) {
 		if (sample->intr_regs.abi) {
 			*array++ = sample->intr_regs.abi;
-			sz = hweight_long(sample->intr_regs.mask) * sizeof(u64);
+			sz = hweight64(sample->intr_regs.mask) * sizeof(u64);
 			memcpy(array, sample->intr_regs.regs, sz);
 			array = (void *)array + sz;
 		} else {
diff --git a/tools/perf/util/header.c b/tools/perf/util/header.c
index b9e693825873..2d2af2ac2b1e 100644
--- a/tools/perf/util/header.c
+++ b/tools/perf/util/header.c
@@ -2606,6 +2606,7 @@ static int process_bpf_prog_info(struct feat_fd *ff, void *data __maybe_unused)
 		perf_env__insert_bpf_prog_info(env, info_node);
 	}
 
+	up_write(&env->bpf_progs.lock);
 	return 0;
 out:
 	free(info_linear);
@@ -2623,7 +2624,9 @@ static int process_bpf_prog_info(struct feat_fd *ff __maybe_unused, void *data _
 static int process_bpf_btf(struct feat_fd *ff, void *data __maybe_unused)
 {
 	struct perf_env *env = &ff->ph->env;
+	struct btf_node *node = NULL;
 	u32 count, i;
+	int err = -1;
 
 	if (ff->ph->needs_swap) {
 		pr_warning("interpreting btf from systems with endianity is not yet supported\n");
@@ -2636,31 +2639,32 @@ static int process_bpf_btf(struct feat_fd *ff, void *data __maybe_unused)
 	down_write(&env->bpf_progs.lock);
 
 	for (i = 0; i < count; ++i) {
-		struct btf_node *node;
 		u32 id, data_size;
 
 		if (do_read_u32(ff, &id))
-			return -1;
+			goto out;
 		if (do_read_u32(ff, &data_size))
-			return -1;
+			goto out;
 
 		node = malloc(sizeof(struct btf_node) + data_size);
 		if (!node)
-			return -1;
+			goto out;
 
 		node->id = id;
 		node->data_size = data_size;
 
-		if (__do_read(ff, node->data, data_size)) {
-			free(node);
-			return -1;
-		}
+		if (__do_read(ff, node->data, data_size))
+			goto out;
 
 		perf_env__insert_btf(env, node);
+		node = NULL;
 	}
 
+	err = 0;
+out:
 	up_write(&env->bpf_progs.lock);
-	return 0;
+	free(node);
+	return err;
 }
 
 struct feature_ops {
diff --git a/tools/perf/util/map.c b/tools/perf/util/map.c
index e32628cd20a7..ee71efb9db62 100644
--- a/tools/perf/util/map.c
+++ b/tools/perf/util/map.c
@@ -261,6 +261,22 @@ bool __map__is_extra_kernel_map(const struct map *map)
 	return kmap && kmap->name[0];
 }
 
+bool __map__is_bpf_prog(const struct map *map)
+{
+	const char *name;
+
+	if (map->dso->binary_type == DSO_BINARY_TYPE__BPF_PROG_INFO)
+		return true;
+
+	/*
+	 * If PERF_RECORD_BPF_EVENT is not included, the dso will not have
+	 * type of DSO_BINARY_TYPE__BPF_PROG_INFO. In such cases, we can
+	 * guess the type based on name.
+	 */
+	name = map->dso->short_name;
+	return name && (strstr(name, "bpf_prog_") == name);
+}
+
 bool map__has_symbols(const struct map *map)
 {
 	return dso__has_symbols(map->dso);
@@ -910,10 +926,8 @@ static void __maps__insert_name(struct maps *maps, struct map *map)
 		rc = strcmp(m->dso->short_name, map->dso->short_name);
 		if (rc < 0)
 			p = &(*p)->rb_left;
-		else if (rc  > 0)
-			p = &(*p)->rb_right;
 		else
-			return;
+			p = &(*p)->rb_right;
 	}
 	rb_link_node(&map->rb_node_name, parent, p);
 	rb_insert_color(&map->rb_node_name, &maps->names);
diff --git a/tools/perf/util/map.h b/tools/perf/util/map.h
index 0e20749f2c55..dc93787c74f0 100644
--- a/tools/perf/util/map.h
+++ b/tools/perf/util/map.h
@@ -159,10 +159,12 @@ int map__set_kallsyms_ref_reloc_sym(struct map *map, const char *symbol_name,
 
 bool __map__is_kernel(const struct map *map);
 bool __map__is_extra_kernel_map(const struct map *map);
+bool __map__is_bpf_prog(const struct map *map);
 
 static inline bool __map__is_kmodule(const struct map *map)
 {
-	return !__map__is_kernel(map) && !__map__is_extra_kernel_map(map);
+	return !__map__is_kernel(map) && !__map__is_extra_kernel_map(map) &&
+	       !__map__is_bpf_prog(map);
 }
 
 bool map__has_symbols(const struct map *map);
diff --git a/tools/testing/selftests/net/run_afpackettests b/tools/testing/selftests/net/run_afpackettests
index 2dc95fda7ef7..ea5938ec009a 100755
--- a/tools/testing/selftests/net/run_afpackettests
+++ b/tools/testing/selftests/net/run_afpackettests
@@ -6,12 +6,14 @@ if [ $(id -u) != 0 ]; then
 	exit 0
 fi
 
+ret=0
 echo "--------------------"
 echo "running psock_fanout test"
 echo "--------------------"
 ./in_netns.sh ./psock_fanout
 if [ $? -ne 0 ]; then
 	echo "[FAIL]"
+	ret=1
 else
 	echo "[PASS]"
 fi
@@ -22,6 +24,7 @@ echo "--------------------"
 ./in_netns.sh ./psock_tpacket
 if [ $? -ne 0 ]; then
 	echo "[FAIL]"
+	ret=1
 else
 	echo "[PASS]"
 fi
@@ -32,6 +35,8 @@ echo "--------------------"
 ./in_netns.sh ./txring_overwrite
 if [ $? -ne 0 ]; then
 	echo "[FAIL]"
+	ret=1
 else
 	echo "[PASS]"
 fi
+exit $ret
diff --git a/tools/testing/selftests/net/run_netsocktests b/tools/testing/selftests/net/run_netsocktests
index b093f39c298c..14e41faf2c57 100755
--- a/tools/testing/selftests/net/run_netsocktests
+++ b/tools/testing/selftests/net/run_netsocktests
@@ -7,7 +7,7 @@ echo "--------------------"
 ./socket
 if [ $? -ne 0 ]; then
 	echo "[FAIL]"
+	exit 1
 else
 	echo "[PASS]"
 fi
-
diff --git a/tools/testing/selftests/netfilter/Makefile b/tools/testing/selftests/netfilter/Makefile
index 80dae72a25c7..3e6d1bcc2894 100644
--- a/tools/testing/selftests/netfilter/Makefile
+++ b/tools/testing/selftests/netfilter/Makefile
@@ -1,6 +1,7 @@
 # SPDX-License-Identifier: GPL-2.0
 # Makefile for netfilter selftests
 
-TEST_PROGS := nft_trans_stress.sh nft_nat.sh bridge_brouter.sh
+TEST_PROGS := nft_trans_stress.sh nft_nat.sh bridge_brouter.sh \
+	conntrack_icmp_related.sh
 
 include ../lib.mk
diff --git a/tools/testing/selftests/netfilter/conntrack_icmp_related.sh b/tools/testing/selftests/netfilter/conntrack_icmp_related.sh
new file mode 100755
index 000000000000..b48e1833bc89
--- /dev/null
+++ b/tools/testing/selftests/netfilter/conntrack_icmp_related.sh
@@ -0,0 +1,283 @@
+#!/bin/bash
+#
+# check that ICMP df-needed/pkttoobig icmp are set are set as related
+# state
+#
+# Setup is:
+#
+# nsclient1 -> nsrouter1 -> nsrouter2 -> nsclient2
+# MTU 1500, except for nsrouter2 <-> nsclient2 link (1280).
+# ping nsclient2 from nsclient1, checking that conntrack did set RELATED
+# 'fragmentation needed' icmp packet.
+#
+# In addition, nsrouter1 will perform IP masquerading, i.e. also
+# check the icmp errors are propagated to the correct host as per
+# nat of "established" icmp-echo "connection".
+
+# Kselftest framework requirement - SKIP code is 4.
+ksft_skip=4
+ret=0
+
+nft --version > /dev/null 2>&1
+if [ $? -ne 0 ];then
+	echo "SKIP: Could not run test without nft tool"
+	exit $ksft_skip
+fi
+
+ip -Version > /dev/null 2>&1
+if [ $? -ne 0 ];then
+	echo "SKIP: Could not run test without ip tool"
+	exit $ksft_skip
+fi
+
+cleanup() {
+	for i in 1 2;do ip netns del nsclient$i;done
+	for i in 1 2;do ip netns del nsrouter$i;done
+}
+
+ipv4() {
+    echo -n 192.168.$1.2
+}
+
+ipv6 () {
+    echo -n dead:$1::2
+}
+
+check_counter()
+{
+	ns=$1
+	name=$2
+	expect=$3
+	local lret=0
+
+	cnt=$(ip netns exec $ns nft list counter inet filter "$name" | grep -q "$expect")
+	if [ $? -ne 0 ]; then
+		echo "ERROR: counter $name in $ns has unexpected value (expected $expect)" 1>&2
+		ip netns exec $ns nft list counter inet filter "$name" 1>&2
+		lret=1
+	fi
+
+	return $lret
+}
+
+check_unknown()
+{
+	expect="packets 0 bytes 0"
+	for n in nsclient1 nsclient2 nsrouter1 nsrouter2; do
+		check_counter $n "unknown" "$expect"
+		if [ $? -ne 0 ] ;then
+			return 1
+		fi
+	done
+
+	return 0
+}
+
+for n in nsclient1 nsclient2 nsrouter1 nsrouter2; do
+  ip netns add $n
+  ip -net $n link set lo up
+done
+
+DEV=veth0
+ip link add $DEV netns nsclient1 type veth peer name eth1 netns nsrouter1
+DEV=veth0
+ip link add $DEV netns nsclient2 type veth peer name eth1 netns nsrouter2
+
+DEV=veth0
+ip link add $DEV netns nsrouter1 type veth peer name eth2 netns nsrouter2
+
+DEV=veth0
+for i in 1 2; do
+    ip -net nsclient$i link set $DEV up
+    ip -net nsclient$i addr add $(ipv4 $i)/24 dev $DEV
+    ip -net nsclient$i addr add $(ipv6 $i)/64 dev $DEV
+done
+
+ip -net nsrouter1 link set eth1 up
+ip -net nsrouter1 link set veth0 up
+
+ip -net nsrouter2 link set eth1 up
+ip -net nsrouter2 link set eth2 up
+
+ip -net nsclient1 route add default via 192.168.1.1
+ip -net nsclient1 -6 route add default via dead:1::1
+
+ip -net nsclient2 route add default via 192.168.2.1
+ip -net nsclient2 route add default via dead:2::1
+
+i=3
+ip -net nsrouter1 addr add 192.168.1.1/24 dev eth1
+ip -net nsrouter1 addr add 192.168.3.1/24 dev veth0
+ip -net nsrouter1 addr add dead:1::1/64 dev eth1
+ip -net nsrouter1 addr add dead:3::1/64 dev veth0
+ip -net nsrouter1 route add default via 192.168.3.10
+ip -net nsrouter1 -6 route add default via dead:3::10
+
+ip -net nsrouter2 addr add 192.168.2.1/24 dev eth1
+ip -net nsrouter2 addr add 192.168.3.10/24 dev eth2
+ip -net nsrouter2 addr add dead:2::1/64 dev eth1
+ip -net nsrouter2 addr add dead:3::10/64 dev eth2
+ip -net nsrouter2 route add default via 192.168.3.1
+ip -net nsrouter2 route add default via dead:3::1
+
+sleep 2
+for i in 4 6; do
+	ip netns exec nsrouter1 sysctl -q net.ipv$i.conf.all.forwarding=1
+	ip netns exec nsrouter2 sysctl -q net.ipv$i.conf.all.forwarding=1
+done
+
+for netns in nsrouter1 nsrouter2; do
+ip netns exec $netns nft -f - <<EOF
+table inet filter {
+	counter unknown { }
+	counter related { }
+	chain forward {
+		type filter hook forward priority 0; policy accept;
+		meta l4proto icmpv6 icmpv6 type "packet-too-big" ct state "related" counter name "related" accept
+		meta l4proto icmp icmp type "destination-unreachable" ct state "related" counter name "related" accept
+		meta l4proto { icmp, icmpv6 } ct state new,established accept
+		counter name "unknown" drop
+	}
+}
+EOF
+done
+
+ip netns exec nsclient1 nft -f - <<EOF
+table inet filter {
+	counter unknown { }
+	counter related { }
+	chain input {
+		type filter hook input priority 0; policy accept;
+		meta l4proto { icmp, icmpv6 } ct state established,untracked accept
+
+		meta l4proto { icmp, icmpv6 } ct state "related" counter name "related" accept
+		counter name "unknown" drop
+	}
+}
+EOF
+
+ip netns exec nsclient2 nft -f - <<EOF
+table inet filter {
+	counter unknown { }
+	counter new { }
+	counter established { }
+
+	chain input {
+		type filter hook input priority 0; policy accept;
+		meta l4proto { icmp, icmpv6 } ct state established,untracked accept
+
+		meta l4proto { icmp, icmpv6 } ct state "new" counter name "new" accept
+		meta l4proto { icmp, icmpv6 } ct state "established" counter name "established" accept
+		counter name "unknown" drop
+	}
+	chain output {
+		type filter hook output priority 0; policy accept;
+		meta l4proto { icmp, icmpv6 } ct state established,untracked accept
+
+		meta l4proto { icmp, icmpv6 } ct state "new" counter name "new"
+		meta l4proto { icmp, icmpv6 } ct state "established" counter name "established"
+		counter name "unknown" drop
+	}
+}
+EOF
+
+
+# make sure NAT core rewrites adress of icmp error if nat is used according to
+# conntrack nat information (icmp error will be directed at nsrouter1 address,
+# but it needs to be routed to nsclient1 address).
+ip netns exec nsrouter1 nft -f - <<EOF
+table ip nat {
+	chain postrouting {
+		type nat hook postrouting priority 0; policy accept;
+		ip protocol icmp oifname "veth0" counter masquerade
+	}
+}
+table ip6 nat {
+	chain postrouting {
+		type nat hook postrouting priority 0; policy accept;
+		ip6 nexthdr icmpv6 oifname "veth0" counter masquerade
+	}
+}
+EOF
+
+ip netns exec nsrouter2 ip link set eth1  mtu 1280
+ip netns exec nsclient2 ip link set veth0 mtu 1280
+sleep 1
+
+ip netns exec nsclient1 ping -c 1 -s 1000 -q -M do 192.168.2.2 >/dev/null
+if [ $? -ne 0 ]; then
+	echo "ERROR: netns ip routing/connectivity broken" 1>&2
+	cleanup
+	exit 1
+fi
+ip netns exec nsclient1 ping6 -q -c 1 -s 1000 dead:2::2 >/dev/null
+if [ $? -ne 0 ]; then
+	echo "ERROR: netns ipv6 routing/connectivity broken" 1>&2
+	cleanup
+	exit 1
+fi
+
+check_unknown
+if [ $? -ne 0 ]; then
+	ret=1
+fi
+
+expect="packets 0 bytes 0"
+for netns in nsrouter1 nsrouter2 nsclient1;do
+	check_counter "$netns" "related" "$expect"
+	if [ $? -ne 0 ]; then
+		ret=1
+	fi
+done
+
+expect="packets 2 bytes 2076"
+check_counter nsclient2 "new" "$expect"
+if [ $? -ne 0 ]; then
+	ret=1
+fi
+
+ip netns exec nsclient1 ping -q -c 1 -s 1300 -M do 192.168.2.2 > /dev/null
+if [ $? -eq 0 ]; then
+	echo "ERROR: ping should have failed with PMTU too big error" 1>&2
+	ret=1
+fi
+
+# nsrouter2 should have generated the icmp error, so
+# related counter should be 0 (its in forward).
+expect="packets 0 bytes 0"
+check_counter "nsrouter2" "related" "$expect"
+if [ $? -ne 0 ]; then
+	ret=1
+fi
+
+# but nsrouter1 should have seen it, same for nsclient1.
+expect="packets 1 bytes 576"
+for netns in nsrouter1 nsclient1;do
+	check_counter "$netns" "related" "$expect"
+	if [ $? -ne 0 ]; then
+		ret=1
+	fi
+done
+
+ip netns exec nsclient1 ping6 -c 1 -s 1300 dead:2::2 > /dev/null
+if [ $? -eq 0 ]; then
+	echo "ERROR: ping6 should have failed with PMTU too big error" 1>&2
+	ret=1
+fi
+
+expect="packets 2 bytes 1856"
+for netns in nsrouter1 nsclient1;do
+	check_counter "$netns" "related" "$expect"
+	if [ $? -ne 0 ]; then
+		ret=1
+	fi
+done
+
+if [ $ret -eq 0 ];then
+	echo "PASS: icmp mtu error had RELATED state"
+else
+	echo "ERROR: icmp error RELATED state test has failed"
+fi
+
+cleanup
+exit $ret
diff --git a/tools/testing/selftests/netfilter/nft_nat.sh b/tools/testing/selftests/netfilter/nft_nat.sh
index 248905130d5d..21159f5f3362 100755
--- a/tools/testing/selftests/netfilter/nft_nat.sh
+++ b/tools/testing/selftests/netfilter/nft_nat.sh
@@ -347,6 +347,7 @@ EOF
 test_masquerade6()
 {
 	local family=$1
+	local natflags=$1
 	local lret=0
 
 	ip netns exec ns0 sysctl net.ipv6.conf.all.forwarding=1 > /dev/null
@@ -380,7 +381,7 @@ ip netns exec ns0 nft -f - <<EOF
 table $family nat {
 	chain postrouting {
 		type nat hook postrouting priority 0; policy accept;
-		meta oif veth0 masquerade
+		meta oif veth0 masquerade $natflags
 	}
 }
 EOF
@@ -391,7 +392,11 @@ EOF
 
 	ip netns exec ns2 ping -q -c 1 dead:1::99 > /dev/null # ping ns2->ns1
 	if [ $? -ne 0 ] ; then
+<<<<<<< HEAD
 		echo "ERROR: cannot ping ns1 from ns2 with active $family masquerading"
+=======
+		echo "ERROR: cannot ping ns1 from ns2 with active ipv6 masquerade $natflags"
+>>>>>>> cd8dead0c39457e58ec1d36db93aedca811d48f1
 		lret=1
 	fi
 
@@ -428,20 +433,38 @@ EOF
 		fi
 	done
 
+<<<<<<< HEAD
 	ip netns exec ns0 nft flush chain $family nat postrouting
+=======
+	ip netns exec ns2 ping -q -c 1 dead:1::99 > /dev/null # ping ns2->ns1
+	if [ $? -ne 0 ] ; then
+		echo "ERROR: cannot ping ns1 from ns2 with active ipv6 masquerade $natflags (attempt 2)"
+		lret=1
+	fi
+
+	ip netns exec ns0 nft flush chain ip6 nat postrouting
+>>>>>>> cd8dead0c39457e58ec1d36db93aedca811d48f1
 	if [ $? -ne 0 ]; then
 		echo "ERROR: Could not flush $family nat postrouting" 1>&2
 		lret=1
 	fi
 
+<<<<<<< HEAD
 	test $lret -eq 0 && echo "PASS: $family IPv6 masquerade for ns2"
+=======
+	test $lret -eq 0 && echo "PASS: IPv6 masquerade $natflags for ns2"
+>>>>>>> cd8dead0c39457e58ec1d36db93aedca811d48f1
 
 	return $lret
 }
 
 test_masquerade()
 {
+<<<<<<< HEAD
 	local family=$1
+=======
+	local natflags=$1
+>>>>>>> cd8dead0c39457e58ec1d36db93aedca811d48f1
 	local lret=0
 
 	ip netns exec ns0 sysctl net.ipv4.conf.veth0.forwarding=1 > /dev/null
@@ -449,7 +472,7 @@ test_masquerade()
 
 	ip netns exec ns2 ping -q -c 1 10.0.1.99 > /dev/null # ping ns2->ns1
 	if [ $? -ne 0 ] ; then
-		echo "ERROR: canot ping ns1 from ns2"
+		echo "ERROR: cannot ping ns1 from ns2 $natflags"
 		lret=1
 	fi
 
@@ -475,7 +498,7 @@ ip netns exec ns0 nft -f - <<EOF
 table $family nat {
 	chain postrouting {
 		type nat hook postrouting priority 0; policy accept;
-		meta oif veth0 masquerade
+		meta oif veth0 masquerade $natflags
 	}
 }
 EOF
@@ -486,7 +509,11 @@ EOF
 
 	ip netns exec ns2 ping -q -c 1 10.0.1.99 > /dev/null # ping ns2->ns1
 	if [ $? -ne 0 ] ; then
+<<<<<<< HEAD
 		echo "ERROR: cannot ping ns1 from ns2 with active $family masquerading"
+=======
+		echo "ERROR: cannot ping ns1 from ns2 with active ip masquere $natflags"
+>>>>>>> cd8dead0c39457e58ec1d36db93aedca811d48f1
 		lret=1
 	fi
 
@@ -522,13 +549,27 @@ EOF
 		fi
 	done
 
+<<<<<<< HEAD
 	ip netns exec ns0 nft flush chain $family nat postrouting
+=======
+	ip netns exec ns2 ping -q -c 1 10.0.1.99 > /dev/null # ping ns2->ns1
+	if [ $? -ne 0 ] ; then
+		echo "ERROR: cannot ping ns1 from ns2 with active ip masquerade $natflags (attempt 2)"
+		lret=1
+	fi
+
+	ip netns exec ns0 nft flush chain ip nat postrouting
+>>>>>>> cd8dead0c39457e58ec1d36db93aedca811d48f1
 	if [ $? -ne 0 ]; then
 		echo "ERROR: Could not flush $family nat postrouting" 1>&2
 		lret=1
 	fi
 
+<<<<<<< HEAD
 	test $lret -eq 0 && echo "PASS: $family IP masquerade for ns2"
+=======
+	test $lret -eq 0 && echo "PASS: IP masquerade $natflags for ns2"
+>>>>>>> cd8dead0c39457e58ec1d36db93aedca811d48f1
 
 	return $lret
 }
@@ -802,11 +843,20 @@ $test_inet_nat && test_local_dnat inet
 $test_inet_nat && test_local_dnat6 inet
 
 reset_counters
+<<<<<<< HEAD
 test_masquerade ip
 test_masquerade6 ip6
 reset_counters
 $test_inet_nat && test_masquerade inet
 $test_inet_nat && test_masquerade6 inet
+=======
+test_masquerade ""
+test_masquerade6 ""
+
+reset_counters
+test_masquerade "fully-random"
+test_masquerade6 "fully-random"
+>>>>>>> cd8dead0c39457e58ec1d36db93aedca811d48f1
 
 reset_counters
 test_redirect ip
diff --git a/tools/testing/selftests/proc/proc-pid-vm.c b/tools/testing/selftests/proc/proc-pid-vm.c
index 7202bbac976e..853aa164a401 100644
--- a/tools/testing/selftests/proc/proc-pid-vm.c
+++ b/tools/testing/selftests/proc/proc-pid-vm.c
@@ -187,8 +187,8 @@ static int make_exe(const uint8_t *payload, size_t len)
 	ph.p_offset = 0;
 	ph.p_vaddr = VADDR;
 	ph.p_paddr = 0;
-	ph.p_filesz = sizeof(struct elf64_hdr) + sizeof(struct elf64_phdr) + sizeof(payload);
-	ph.p_memsz = sizeof(struct elf64_hdr) + sizeof(struct elf64_phdr) + sizeof(payload);
+	ph.p_filesz = sizeof(struct elf64_hdr) + sizeof(struct elf64_phdr) + len;
+	ph.p_memsz = sizeof(struct elf64_hdr) + sizeof(struct elf64_phdr) + len;
 	ph.p_align = 4096;
 
 	fd = openat(AT_FDCWD, "/tmp", O_WRONLY|O_EXCL|O_TMPFILE, 0700);
diff --git a/tools/testing/selftests/proc/proc-self-map-files-002.c b/tools/testing/selftests/proc/proc-self-map-files-002.c
index 762cb01f2ca7..47b7473dedef 100644
--- a/tools/testing/selftests/proc/proc-self-map-files-002.c
+++ b/tools/testing/selftests/proc/proc-self-map-files-002.c
@@ -46,12 +46,9 @@ static void fail(const char *fmt, unsigned long a, unsigned long b)
 
 int main(void)
 {
-	const unsigned int PAGE_SIZE = sysconf(_SC_PAGESIZE);
-#ifdef __arm__
-	unsigned long va = 2 * PAGE_SIZE;
-#else
-	unsigned long va = 0;
-#endif
+	const int PAGE_SIZE = sysconf(_SC_PAGESIZE);
+	const unsigned long va_max = 1UL << 32;
+	unsigned long va;
 	void *p;
 	int fd;
 	unsigned long a, b;
@@ -60,10 +57,13 @@ int main(void)
 	if (fd == -1)
 		return 1;
 
-	p = mmap((void *)va, PAGE_SIZE, PROT_NONE, MAP_PRIVATE|MAP_FILE|MAP_FIXED, fd, 0);
-	if (p == MAP_FAILED) {
-		if (errno == EPERM)
-			return 4;
+	for (va = 0; va < va_max; va += PAGE_SIZE) {
+		p = mmap((void *)va, PAGE_SIZE, PROT_NONE, MAP_PRIVATE|MAP_FILE|MAP_FIXED, fd, 0);
+		if (p == (void *)va)
+			break;
+	}
+	if (va == va_max) {
+		fprintf(stderr, "error: mmap doesn't like you\n");
 		return 1;
 	}