Date:   Thu,  2 Jan 2020 17:47:49 +0100
From:   "Jason A. Donenfeld" <Jason@...c4.com>
To:     netdev@...r.kernel.org, davem@...emloft.net
Cc:     "Jason A. Donenfeld" <Jason@...c4.com>
Subject: [PATCH net-next 1/3] wireguard: selftests: remove ancient kernel compatibility code

Quite a bit of the test suite was designed to work with ancient kernels.
Thankfully we no longer have to deal with this. This commit updates
things that we can finally update and removes things that we can finally
remove, to avoid the build-up of the last several years as a result of
having to support ancient kernels. We can finally rely on suppress_
prefixlength being available. On the build side of things, the no-PIE
hack is no longer required, and we can bump some of the tools, repair
our m68k and i686-kvm support, and get better coverage of the static
branches used in the crypto lib and in udp_tunnel.

Signed-off-by: Jason A. Donenfeld <Jason@...c4.com>
---
 tools/testing/selftests/wireguard/netns.sh    | 11 +--
 .../testing/selftests/wireguard/qemu/Makefile | 82 ++++++++++---------
 .../selftests/wireguard/qemu/arch/m68k.config |  2 +-
 tools/testing/selftests/wireguard/qemu/init.c |  1 +
 .../selftests/wireguard/qemu/kernel.config    |  2 +
 5 files changed, 50 insertions(+), 48 deletions(-)

diff --git a/tools/testing/selftests/wireguard/netns.sh b/tools/testing/selftests/wireguard/netns.sh
index e7310d9390f7..d5c85c7494f2 100755
--- a/tools/testing/selftests/wireguard/netns.sh
+++ b/tools/testing/selftests/wireguard/netns.sh
@@ -37,7 +37,7 @@ n2() { pretty 2 "$*"; maybe_exec ip netns exec $netns2 "$@"; }
 ip0() { pretty 0 "ip $*"; ip -n $netns0 "$@"; }
 ip1() { pretty 1 "ip $*"; ip -n $netns1 "$@"; }
 ip2() { pretty 2 "ip $*"; ip -n $netns2 "$@"; }
-sleep() { read -t "$1" -N 0 || true; }
+sleep() { read -t "$1" -N 1 || true; }
 waitiperf() { pretty "${1//*-}" "wait for iperf:5201"; while [[ $(ss -N "$1" -tlp 'sport = 5201') != *iperf3* ]]; do sleep 0.1; done; }
 waitncatudp() { pretty "${1//*-}" "wait for udp:1111"; while [[ $(ss -N "$1" -ulp 'sport = 1111') != *ncat* ]]; do sleep 0.1; done; }
 waitncattcp() { pretty "${1//*-}" "wait for tcp:1111"; while [[ $(ss -N "$1" -tlp 'sport = 1111') != *ncat* ]]; do sleep 0.1; done; }
@@ -294,12 +294,9 @@ ip1 -6 rule add table main suppress_prefixlength 0
 ip1 -4 route add default dev wg0 table 51820
 ip1 -4 rule add not fwmark 51820 table 51820
 ip1 -4 rule add table main suppress_prefixlength 0
-# suppress_prefixlength only got added in 3.12, and we want to support 3.10+.
-if [[ $(ip1 -4 rule show all) == *suppress_prefixlength* ]]; then
-	# Flood the pings instead of sending just one, to trigger routing table reference counting bugs.
-	n1 ping -W 1 -c 100 -f 192.168.99.7
-	n1 ping -W 1 -c 100 -f abab::1111
-fi
+# Flood the pings instead of sending just one, to trigger routing table reference counting bugs.
+n1 ping -W 1 -c 100 -f 192.168.99.7
+n1 ping -W 1 -c 100 -f abab::1111
 
 n0 iptables -t nat -F
 ip0 link del vethrc
diff --git a/tools/testing/selftests/wireguard/qemu/Makefile b/tools/testing/selftests/wireguard/qemu/Makefile
index 6d51bf78eeff..f10aa3590adc 100644
--- a/tools/testing/selftests/wireguard/qemu/Makefile
+++ b/tools/testing/selftests/wireguard/qemu/Makefile
@@ -5,6 +5,7 @@
 PWD := $(shell pwd)
 
 CHOST := $(shell gcc -dumpmachine)
+HOST_ARCH := $(firstword $(subst -, ,$(CHOST)))
 ifneq (,$(ARCH))
 CBUILD := $(subst -gcc,,$(lastword $(subst /, ,$(firstword $(wildcard $(foreach bindir,$(subst :, ,$(PATH)),$(bindir)/$(ARCH)-*-gcc))))))
 ifeq (,$(CBUILD))
@@ -37,19 +38,19 @@ endef
 define file_download =
 $(DISTFILES_PATH)/$(1):
 	mkdir -p $(DISTFILES_PATH)
-	flock -x $$@...ck -c '[ -f $$@ ] && exit 0; wget -O $$@...p $(MIRROR)$(1) || wget -t inf --retry-on-http-error=404 -O $$@...p $(2)$(1) || rm -f $$@...p'
+	flock -x $$@...ck -c '[ -f $$@ ] && exit 0; wget -O $$@...p $(MIRROR)$(1) || wget -O $$@...p $(2)$(1) || rm -f $$@...p'
 	if echo "$(3)  $$@...p" | sha256sum -c -; then mv $$@...p $$@; else rm -f $$@...p; exit 71; fi
 endef
 
-$(eval $(call tar_download,MUSL,musl,1.1.20,.tar.gz,https://www.musl-libc.org/releases/,44be8771d0e6c6b5f82dd15662eb2957c9a3173a19a8b49966ac0542bbd40d61))
+$(eval $(call tar_download,MUSL,musl,1.1.24,.tar.gz,https://www.musl-libc.org/releases/,1370c9a812b2cf2a7d92802510cca0058cc37e66a7bedd70051f0a34015022a3))
 $(eval $(call tar_download,LIBMNL,libmnl,1.0.4,.tar.bz2,https://www.netfilter.org/projects/libmnl/files/,171f89699f286a5854b72b91d06e8f8e3683064c5901fb09d954a9ab6f551f81))
-$(eval $(call tar_download,IPERF,iperf,3.1.7,.tar.gz,http://downloads.es.net/pub/iperf/,a4ef73406fe92250602b8da2ae89ec53211f805df97a1d1d629db5a14043734f))
+$(eval $(call tar_download,IPERF,iperf,3.7,.tar.gz,https://downloads.es.net/pub/iperf/,d846040224317caf2f75c843d309a950a7db23f9b44b94688ccbe557d6d1710c))
 $(eval $(call tar_download,BASH,bash,5.0,.tar.gz,https://ftp.gnu.org/gnu/bash/,b4a80f2ac66170b2913efbfb9f2594f1f76c7b1afd11f799e22035d63077fb4d))
-$(eval $(call tar_download,IPROUTE2,iproute2,5.1.0,.tar.gz,https://www.kernel.org/pub/linux/utils/net/iproute2/,9b43707d6075ecdca14803ca8ce0c8553848c49fa1586d12fd508d66577243f2))
-$(eval $(call tar_download,IPTABLES,iptables,1.6.1,.tar.bz2,https://www.netfilter.org/projects/iptables/files/,0fc2d7bd5d7be11311726466789d4c65fb4c8e096c9182b56ce97440864f0cf5))
-$(eval $(call tar_download,NMAP,nmap,7.60,.tar.bz2,https://nmap.org/dist/,a8796ecc4fa6c38aad6139d9515dc8113023a82e9d787e5a5fb5fa1b05516f21))
-$(eval $(call tar_download,IPUTILS,iputils,s20161105,.tar.gz,https://github.com/iputils/iputils/archive/s20161105.tar.gz/#,f813092f03d17294fd23544b129b95cdb87fe19f7970a51908a6b88509acad8a))
-$(eval $(call tar_download,WIREGUARD_TOOLS,WireGuard,0.0.20191212,.tar.xz,https://git.zx2c4.com/WireGuard/snapshot/,b0d718380f7a8822b2f12d75e462fa4eafa3a77871002981f367cd4fe2a1b071))
+$(eval $(call tar_download,IPROUTE2,iproute2,5.4.0,.tar.xz,https://www.kernel.org/pub/linux/utils/net/iproute2/,fe97aa60a0d4c5ac830be18937e18dc3400ca713a33a89ad896ff1e3d46086ae))
+$(eval $(call tar_download,IPTABLES,iptables,1.8.4,.tar.bz2,https://www.netfilter.org/projects/iptables/files/,993a3a5490a544c2cbf2ef15cf7e7ed21af1845baf228318d5c36ef8827e157c))
+$(eval $(call tar_download,NMAP,nmap,7.80,.tar.bz2,https://nmap.org/dist/,fcfa5a0e42099e12e4bf7a68ebe6fde05553383a682e816a7ec9256ab4773faa))
+$(eval $(call tar_download,IPUTILS,iputils,s20190709,.tar.gz,https://github.com/iputils/iputils/archive/s20190709.tar.gz/#,a15720dd741d7538dd2645f9f516d193636ae4300ff7dbc8bfca757bf166490a))
+$(eval $(call tar_download,WIREGUARD_TOOLS,wireguard-tools,1.0.20191226,.tar.xz,https://git.zx2c4.com/wireguard-tools/snapshot/,aa8af0fdc9872d369d8c890a84dbc2a2466b55795dccd5b47721b2d97644b04f))
 
 KERNEL_BUILD_PATH := $(BUILD_PATH)/kernel$(if $(findstring yes,$(DEBUG_KERNEL)),-debug)
 rwildcard=$(foreach d,$(wildcard $1*),$(call rwildcard,$d/,$2) $(filter $(subst *,%,$2),$d))
@@ -59,23 +60,21 @@ export CFLAGS ?= -O3 -pipe
 export LDFLAGS ?=
 export CPPFLAGS := -I$(BUILD_PATH)/include
 
-ifeq ($(CHOST),$(CBUILD))
+ifeq ($(HOST_ARCH),$(ARCH))
 CROSS_COMPILE_FLAG := --host=$(CHOST)
-NOPIE_GCC := gcc -fno-PIE
 CFLAGS += -march=native
 STRIP := strip
 else
 $(info Cross compilation: building for $(CBUILD) using $(CHOST))
 CROSS_COMPILE_FLAG := --build=$(CBUILD) --host=$(CHOST)
 export CROSS_COMPILE=$(CBUILD)-
-NOPIE_GCC := $(CBUILD)-gcc -fno-PIE
 STRIP := $(CBUILD)-strip
 endif
 ifeq ($(ARCH),aarch64)
 QEMU_ARCH := aarch64
 KERNEL_ARCH := arm64
 KERNEL_BZIMAGE := $(KERNEL_BUILD_PATH)/arch/arm64/boot/Image
-ifeq ($(CHOST),$(CBUILD))
+ifeq ($(HOST_ARCH),$(ARCH))
 QEMU_MACHINE := -cpu host -machine virt,gic_version=host,accel=kvm
 else
 QEMU_MACHINE := -cpu cortex-a53 -machine virt
@@ -85,7 +84,7 @@ else ifeq ($(ARCH),aarch64_be)
 QEMU_ARCH := aarch64
 KERNEL_ARCH := arm64
 KERNEL_BZIMAGE := $(KERNEL_BUILD_PATH)/arch/arm64/boot/Image
-ifeq ($(CHOST),$(CBUILD))
+ifeq ($(HOST_ARCH),$(ARCH))
 QEMU_MACHINE := -cpu host -machine virt,gic_version=host,accel=kvm
 else
 QEMU_MACHINE := -cpu cortex-a53 -machine virt
@@ -95,7 +94,7 @@ else ifeq ($(ARCH),arm)
 QEMU_ARCH := arm
 KERNEL_ARCH := arm
 KERNEL_BZIMAGE := $(KERNEL_BUILD_PATH)/arch/arm/boot/zImage
-ifeq ($(CHOST),$(CBUILD))
+ifeq ($(HOST_ARCH),$(ARCH))
 QEMU_MACHINE := -cpu host -machine virt,gic_version=host,accel=kvm
 else
 QEMU_MACHINE := -cpu cortex-a15 -machine virt
@@ -105,7 +104,7 @@ else ifeq ($(ARCH),armeb)
 QEMU_ARCH := arm
 KERNEL_ARCH := arm
 KERNEL_BZIMAGE := $(KERNEL_BUILD_PATH)/arch/arm/boot/zImage
-ifeq ($(CHOST),$(CBUILD))
+ifeq ($(HOST_ARCH),$(ARCH))
 QEMU_MACHINE := -cpu host -machine virt,gic_version=host,accel=kvm
 else
 QEMU_MACHINE := -cpu cortex-a15 -machine virt
@@ -116,7 +115,7 @@ else ifeq ($(ARCH),x86_64)
 QEMU_ARCH := x86_64
 KERNEL_ARCH := x86_64
 KERNEL_BZIMAGE := $(KERNEL_BUILD_PATH)/arch/x86/boot/bzImage
-ifeq ($(CHOST),$(CBUILD))
+ifeq ($(HOST_ARCH),$(ARCH))
 QEMU_MACHINE := -cpu host -machine q35,accel=kvm
 else
 QEMU_MACHINE := -cpu Skylake-Server -machine q35
@@ -126,7 +125,7 @@ else ifeq ($(ARCH),i686)
 QEMU_ARCH := i386
 KERNEL_ARCH := x86
 KERNEL_BZIMAGE := $(KERNEL_BUILD_PATH)/arch/x86/boot/bzImage
-ifeq ($(subst i686,x86_64,$(CBUILD)),$(CHOST))
+ifeq ($(subst x86_64,i686,$(HOST_ARCH)),$(ARCH))
 QEMU_MACHINE := -cpu host -machine q35,accel=kvm
 else
 QEMU_MACHINE := -cpu coreduo -machine q35
@@ -136,7 +135,7 @@ else ifeq ($(ARCH),mips64)
 QEMU_ARCH := mips64
 KERNEL_ARCH := mips
 KERNEL_BZIMAGE := $(KERNEL_BUILD_PATH)/vmlinux
-ifeq ($(CHOST),$(CBUILD))
+ifeq ($(HOST_ARCH),$(ARCH))
 QEMU_MACHINE := -cpu host -machine malta,accel=kvm
 CFLAGS += -EB
 else
@@ -147,7 +146,7 @@ else ifeq ($(ARCH),mips64el)
 QEMU_ARCH := mips64el
 KERNEL_ARCH := mips
 KERNEL_BZIMAGE := $(KERNEL_BUILD_PATH)/vmlinux
-ifeq ($(CHOST),$(CBUILD))
+ifeq ($(HOST_ARCH),$(ARCH))
 QEMU_MACHINE := -cpu host -machine malta,accel=kvm
 CFLAGS += -EL
 else
@@ -158,7 +157,7 @@ else ifeq ($(ARCH),mips)
 QEMU_ARCH := mips
 KERNEL_ARCH := mips
 KERNEL_BZIMAGE := $(KERNEL_BUILD_PATH)/vmlinux
-ifeq ($(CHOST),$(CBUILD))
+ifeq ($(HOST_ARCH),$(ARCH))
 QEMU_MACHINE := -cpu host -machine malta,accel=kvm
 CFLAGS += -EB
 else
@@ -169,7 +168,7 @@ else ifeq ($(ARCH),mipsel)
 QEMU_ARCH := mipsel
 KERNEL_ARCH := mips
 KERNEL_BZIMAGE := $(KERNEL_BUILD_PATH)/vmlinux
-ifeq ($(CHOST),$(CBUILD))
+ifeq ($(HOST_ARCH),$(ARCH))
 QEMU_MACHINE := -cpu host -machine malta,accel=kvm
 CFLAGS += -EL
 else
@@ -180,7 +179,7 @@ else ifeq ($(ARCH),powerpc64le)
 QEMU_ARCH := ppc64
 KERNEL_ARCH := powerpc
 KERNEL_BZIMAGE := $(KERNEL_BUILD_PATH)/vmlinux
-ifeq ($(CHOST),$(CBUILD))
+ifeq ($(HOST_ARCH),$(ARCH))
 QEMU_MACHINE := -cpu host,accel=kvm -machine pseries
 else
 QEMU_MACHINE := -machine pseries
@@ -190,7 +189,7 @@ else ifeq ($(ARCH),powerpc)
 QEMU_ARCH := ppc
 KERNEL_ARCH := powerpc
 KERNEL_BZIMAGE := $(KERNEL_BUILD_PATH)/arch/powerpc/boot/uImage
-ifeq ($(CHOST),$(CBUILD))
+ifeq ($(HOST_ARCH),$(ARCH))
 QEMU_MACHINE := -cpu host,accel=kvm -machine ppce500
 else
 QEMU_MACHINE := -machine ppce500
@@ -200,10 +199,11 @@ else ifeq ($(ARCH),m68k)
 QEMU_ARCH := m68k
 KERNEL_ARCH := m68k
 KERNEL_BZIMAGE := $(KERNEL_BUILD_PATH)/vmlinux
-ifeq ($(CHOST),$(CBUILD))
-QEMU_MACHINE := -cpu host,accel=kvm -machine q800
+KERNEL_CMDLINE := $(shell sed -n 's/CONFIG_CMDLINE=\(.*\)/\1/p' arch/m68k.config)
+ifeq ($(HOST_ARCH),$(ARCH))
+QEMU_MACHINE := -cpu host,accel=kvm -machine q800 -smp 1 -append $(KERNEL_CMDLINE)
 else
-QEMU_MACHINE := -machine q800
+QEMU_MACHINE := -machine q800 -smp 1 -append $(KERNEL_CMDLINE)
 endif
 else
 $(error I only build: x86_64, i686, arm, armeb, aarch64, aarch64_be, mips, mipsel, mips64, mips64el, powerpc64le, powerpc, m68k)
@@ -238,14 +238,14 @@ $(BUILD_PATH)/init-cpio-spec.txt:
 	echo "nod /dev/console 644 0 0 c 5 1" >> $@
 	echo "dir /bin 755 0 0" >> $@
 	echo "file /bin/iperf3 $(IPERF_PATH)/src/iperf3 755 0 0" >> $@
-	echo "file /bin/wg $(WIREGUARD_TOOLS_PATH)/src/tools/wg 755 0 0" >> $@
+	echo "file /bin/wg $(WIREGUARD_TOOLS_PATH)/src/wg 755 0 0" >> $@
 	echo "file /bin/bash $(BASH_PATH)/bash 755 0 0" >> $@
 	echo "file /bin/ip $(IPROUTE2_PATH)/ip/ip 755 0 0" >> $@
 	echo "file /bin/ss $(IPROUTE2_PATH)/misc/ss 755 0 0" >> $@
 	echo "file /bin/ping $(IPUTILS_PATH)/ping 755 0 0" >> $@
 	echo "file /bin/ncat $(NMAP_PATH)/ncat/ncat 755 0 0" >> $@
-	echo "file /bin/xtables-multi $(IPTABLES_PATH)/iptables/xtables-multi 755 0 0" >> $@
-	echo "slink /bin/iptables xtables-multi 777 0 0" >> $@
+	echo "file /bin/xtables-legacy-multi $(IPTABLES_PATH)/iptables/xtables-legacy-multi 755 0 0" >> $@
+	echo "slink /bin/iptables xtables-legacy-multi 777 0 0" >> $@
 	echo "slink /bin/ping6 ping 777 0 0" >> $@
 	echo "dir /lib 755 0 0" >> $@
 	echo "file /lib/libc.so $(MUSL_PATH)/lib/libc.so 755 0 0" >> $@
@@ -260,8 +260,8 @@ $(KERNEL_BUILD_PATH)/.config: kernel.config arch/$(ARCH).config
 	cd $(KERNEL_BUILD_PATH) && ARCH=$(KERNEL_ARCH) $(KERNEL_PATH)/scripts/kconfig/merge_config.sh -n $(KERNEL_BUILD_PATH)/.config $(KERNEL_BUILD_PATH)/minimal.config
 	$(if $(findstring yes,$(DEBUG_KERNEL)),cp debug.config $(KERNEL_BUILD_PATH) && cd $(KERNEL_BUILD_PATH) && ARCH=$(KERNEL_ARCH) $(KERNEL_PATH)/scripts/kconfig/merge_config.sh -n $(KERNEL_BUILD_PATH)/.config debug.config,)
 
-$(KERNEL_BZIMAGE): $(KERNEL_BUILD_PATH)/.config $(BUILD_PATH)/init-cpio-spec.txt $(MUSL_PATH)/lib/libc.so $(IPERF_PATH)/src/iperf3 $(IPUTILS_PATH)/ping $(BASH_PATH)/bash $(IPROUTE2_PATH)/misc/ss $(IPROUTE2_PATH)/ip/ip $(IPTABLES_PATH)/iptables/xtables-multi $(NMAP_PATH)/ncat/ncat $(WIREGUARD_TOOLS_PATH)/src/tools/wg $(BUILD_PATH)/init ../netns.sh $(WIREGUARD_SOURCES)
-	$(MAKE) -C $(KERNEL_PATH) O=$(KERNEL_BUILD_PATH) ARCH=$(KERNEL_ARCH) CROSS_COMPILE=$(CROSS_COMPILE) CC="$(NOPIE_GCC)"
+$(KERNEL_BZIMAGE): $(KERNEL_BUILD_PATH)/.config $(BUILD_PATH)/init-cpio-spec.txt $(MUSL_PATH)/lib/libc.so $(IPERF_PATH)/src/iperf3 $(IPUTILS_PATH)/ping $(BASH_PATH)/bash $(IPROUTE2_PATH)/misc/ss $(IPROUTE2_PATH)/ip/ip $(IPTABLES_PATH)/iptables/xtables-legacy-multi $(NMAP_PATH)/ncat/ncat $(WIREGUARD_TOOLS_PATH)/src/wg $(BUILD_PATH)/init ../netns.sh $(WIREGUARD_SOURCES)
+	$(MAKE) -C $(KERNEL_PATH) O=$(KERNEL_BUILD_PATH) ARCH=$(KERNEL_ARCH) CROSS_COMPILE=$(CROSS_COMPILE)
 
 $(BUILD_PATH)/include/linux/.installed: | $(KERNEL_BUILD_PATH)/.config
 	$(MAKE) -C $(KERNEL_PATH) O=$(KERNEL_BUILD_PATH) INSTALL_HDR_PATH=$(BUILD_PATH) ARCH=$(KERNEL_ARCH) CROSS_COMPILE=$(CROSS_COMPILE) headers_install
@@ -280,7 +280,7 @@ $(BUILD_PATH)/include/.installed: $(MUSL_PATH)/lib/libc.so
 
 $(MUSL_CC): $(MUSL_PATH)/lib/libc.so
 	sh $(MUSL_PATH)/tools/musl-gcc.specs.sh $(BUILD_PATH)/include $(MUSL_PATH)/lib /lib/ld-linux.so.1 > $(BUILD_PATH)/musl-gcc.specs
-	printf '#!/bin/sh\nexec "$(REAL_CC)" --specs="$(BUILD_PATH)/musl-gcc.specs" -fno-stack-protector -no-pie "$$@"\n' > $(BUILD_PATH)/musl-gcc
+	printf '#!/bin/sh\nexec "$(REAL_CC)" --specs="$(BUILD_PATH)/musl-gcc.specs" "$$@"\n' > $(BUILD_PATH)/musl-gcc
 	chmod +x $(BUILD_PATH)/musl-gcc
 
 $(IPERF_PATH)/.installed: $(IPERF_TAR)
@@ -291,7 +291,7 @@ $(IPERF_PATH)/.installed: $(IPERF_TAR)
 	touch $@
 
 $(IPERF_PATH)/src/iperf3: | $(IPERF_PATH)/.installed $(USERSPACE_DEPS)
-	cd $(IPERF_PATH) && CFLAGS="$(CFLAGS) -D_GNU_SOURCE" ./configure --prefix=/ $(CROSS_COMPILE_FLAG) --enable-static --disable-shared
+	cd $(IPERF_PATH) && CFLAGS="$(CFLAGS) -D_GNU_SOURCE" ./configure --prefix=/ $(CROSS_COMPILE_FLAG) --enable-static --disable-shared --with-openssl=no
 	$(MAKE) -C $(IPERF_PATH)
 	$(STRIP) -s $@
 
@@ -308,8 +308,8 @@ $(WIREGUARD_TOOLS_PATH)/.installed: $(WIREGUARD_TOOLS_TAR)
 	flock -s $<.lock tar -C $(BUILD_PATH) -xf $<
 	touch $@
 
-$(WIREGUARD_TOOLS_PATH)/src/tools/wg: | $(WIREGUARD_TOOLS_PATH)/.installed $(LIBMNL_PATH)/src/.libs/libmnl.a $(USERSPACE_DEPS)
-	LDFLAGS="$(LDFLAGS) -L$(LIBMNL_PATH)/src/.libs" $(MAKE) -C $(WIREGUARD_TOOLS_PATH)/src/tools LIBMNL_CFLAGS="-I$(LIBMNL_PATH)/include" LIBMNL_LDLIBS="-lmnl" wg
+$(WIREGUARD_TOOLS_PATH)/src/wg: | $(WIREGUARD_TOOLS_PATH)/.installed $(LIBMNL_PATH)/src/.libs/libmnl.a $(USERSPACE_DEPS)
+	LDFLAGS="$(LDFLAGS) -L$(LIBMNL_PATH)/src/.libs" $(MAKE) -C $(WIREGUARD_TOOLS_PATH)/src LIBMNL_CFLAGS="-I$(LIBMNL_PATH)/include" LIBMNL_LDLIBS="-lmnl" wg
 	$(STRIP) -s $@
 
 $(BUILD_PATH)/init: init.c | $(USERSPACE_DEPS)
@@ -323,7 +323,8 @@ $(IPUTILS_PATH)/.installed: $(IPUTILS_TAR)
 	touch $@
 
 $(IPUTILS_PATH)/ping: | $(IPUTILS_PATH)/.installed $(USERSPACE_DEPS)
-	$(MAKE) -C $(IPUTILS_PATH) USE_CAP=no USE_IDN=no USE_NETTLE=no USE_CRYPTO=no ping
+	sed -i /atexit/d $(IPUTILS_PATH)/ping.c
+	cd $(IPUTILS_PATH) && $(CC) $(CFLAGS) -std=c99 -o $@ ping.c ping_common.c ping6_common.c iputils_common.c -D_GNU_SOURCE -D'IPUTILS_VERSION(f)=f' -lresolv $(LDFLAGS)
 	$(STRIP) -s $@
 
 $(BASH_PATH)/.installed: $(BASH_TAR)
@@ -357,7 +358,7 @@ $(IPTABLES_PATH)/.installed: $(IPTABLES_TAR)
 	sed -i -e "/nfnetlink=[01]/s:=[01]:=0:" -e "/nfconntrack=[01]/s:=[01]:=0:" $(IPTABLES_PATH)/configure
 	touch $@
 
-$(IPTABLES_PATH)/iptables/xtables-multi: | $(IPTABLES_PATH)/.installed $(LIBMNL_PATH)/src/.libs/libmnl.a $(USERSPACE_DEPS)
+$(IPTABLES_PATH)/iptables/xtables-legacy-multi: | $(IPTABLES_PATH)/.installed $(LIBMNL_PATH)/src/.libs/libmnl.a $(USERSPACE_DEPS)
 	cd $(IPTABLES_PATH) && PKG_CONFIG_LIBDIR="$(LIBMNL_PATH)" ./configure --prefix=/ $(CROSS_COMPILE_FLAG) --enable-static --disable-shared --disable-nftables --disable-bpf-compiler --disable-nfsynproxy --disable-libipq --with-kernel=$(BUILD_PATH)/include
 	$(MAKE) -C $(IPTABLES_PATH)
 	$(STRIP) -s $@
@@ -368,8 +369,9 @@ $(NMAP_PATH)/.installed: $(NMAP_TAR)
 	touch $@
 
 $(NMAP_PATH)/ncat/ncat: | $(NMAP_PATH)/.installed $(USERSPACE_DEPS)
-	cd $(NMAP_PATH) && ./configure --prefix=/ $(CROSS_COMPILE_FLAG) --enable-static --disable-shared --without-ndiff --without-zenmap --without-nping --with-libpcap=included --with-libpcre=included --with-libdnet=included --without-liblua --with-liblinear=included --without-nmap-update --without-openssl --with-pcap=linux
-	$(MAKE) -C $(NMAP_PATH) build-ncat
+	cd $(NMAP_PATH) && ./configure --prefix=/ $(CROSS_COMPILE_FLAG) --enable-static --disable-shared --without-ndiff --without-zenmap --without-nping --with-libpcap=included --with-libpcre=included --with-libdnet=included --without-liblua --with-liblinear=included --without-nmap-update --without-openssl --with-pcap=linux --without-libssh
+	$(MAKE) -C $(NMAP_PATH)/libpcap
+	$(MAKE) -C $(NMAP_PATH)/ncat
 	$(STRIP) -s $@
 
 clean:
@@ -379,7 +381,7 @@ distclean: clean
 	rm -rf $(DISTFILES_PATH)
 
 menuconfig: $(KERNEL_BUILD_PATH)/.config
-	$(MAKE) -C $(KERNEL_PATH) O=$(KERNEL_BUILD_PATH) ARCH=$(KERNEL_ARCH) CROSS_COMPILE=$(CROSS_COMPILE) CC="$(NOPIE_GCC)" menuconfig
+	$(MAKE) -C $(KERNEL_PATH) O=$(KERNEL_BUILD_PATH) ARCH=$(KERNEL_ARCH) CROSS_COMPILE=$(CROSS_COMPILE) menuconfig
 
 .PHONY: qemu build clean distclean menuconfig
 .DELETE_ON_ERROR:
diff --git a/tools/testing/selftests/wireguard/qemu/arch/m68k.config b/tools/testing/selftests/wireguard/qemu/arch/m68k.config
index 5381ea10896c..62a15bdb877e 100644
--- a/tools/testing/selftests/wireguard/qemu/arch/m68k.config
+++ b/tools/testing/selftests/wireguard/qemu/arch/m68k.config
@@ -1,9 +1,9 @@
 CONFIG_MMU=y
+CONFIG_M68KCLASSIC=y
 CONFIG_M68040=y
 CONFIG_MAC=y
 CONFIG_SERIAL_PMACZILOG=y
 CONFIG_SERIAL_PMACZILOG_TTYS=y
 CONFIG_SERIAL_PMACZILOG_CONSOLE=y
-CONFIG_CMDLINE_BOOL=y
 CONFIG_CMDLINE="console=ttyS0 wg.success=ttyS1"
 CONFIG_FRAME_WARN=1024
diff --git a/tools/testing/selftests/wireguard/qemu/init.c b/tools/testing/selftests/wireguard/qemu/init.c
index 51e5ddedee88..90bc9813cadc 100644
--- a/tools/testing/selftests/wireguard/qemu/init.c
+++ b/tools/testing/selftests/wireguard/qemu/init.c
@@ -21,6 +21,7 @@
 #include <sys/reboot.h>
 #include <sys/utsname.h>
 #include <sys/sendfile.h>
+#include <sys/sysmacros.h>
 #include <linux/random.h>
 #include <linux/version.h>
 
diff --git a/tools/testing/selftests/wireguard/qemu/kernel.config b/tools/testing/selftests/wireguard/qemu/kernel.config
index 9cca30206014..af9323a0b6e0 100644
--- a/tools/testing/selftests/wireguard/qemu/kernel.config
+++ b/tools/testing/selftests/wireguard/qemu/kernel.config
@@ -39,6 +39,7 @@ CONFIG_PRINTK=y
 CONFIG_KALLSYMS=y
 CONFIG_BUG=y
 CONFIG_CC_OPTIMIZE_FOR_PERFORMANCE=y
+CONFIG_JUMP_LABEL=y
 CONFIG_EMBEDDED=n
 CONFIG_BASE_FULL=y
 CONFIG_FUTEX=y
@@ -55,6 +56,7 @@ CONFIG_NO_HZ_IDLE=y
 CONFIG_NO_HZ_FULL=n
 CONFIG_HZ_PERIODIC=n
 CONFIG_HIGH_RES_TIMERS=y
+CONFIG_COMPAT_32BIT_TIME=y
 CONFIG_ARCH_RANDOM=y
 CONFIG_FILE_LOCKING=y
 CONFIG_POSIX_TIMERS=y
-- 
2.24.1

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