make -C tools/testing/selftests TARGETS=net TEST_PROGS=msg_zerocopy.sh TESST_GEN_PROGS="" run_tests

DETECTED CRASH, lowering timeout
make: Entering directory '/home/virtme/testing-3/tools/testing/selftests'
make[1]: Entering directory '/home/virtme/testing-3/tools/testing/selftests/net'
make[1]: Nothing to be done for 'all'.
make[1]: Leaving directory '/home/virtme/testing-3/tools/testing/selftests/net'
make[1]: Entering directory '/home/virtme/testing-3/tools/testing/selftests/net'
TAP version 13
1..1
# overriding timeout to 7200
# selftests: net: msg_zerocopy.sh
# ipv4 tcp -t 1
# tx=4571 (285 MB) txc=0 zc=n
# rx=2286 (285 MB)
# ipv4 tcp -z -t 1
# tx=4049 (252 MB) txc=4049 zc=n
# rx=2025 (252 MB)
# ok
# ipv6 tcp -t 1
# tx=7200 (449 MB) txc=0 zc=n
# rx=3598 (449 MB)
# ipv6 tcp -z -t 1
# tx=2686 (167 MB) txc=2686 zc=n
# rx=1343 (167 MB)
# ok
# ipv4 udp -t 1
# tx=13723 (856 MB) txc=0 zc=n
# rx=13156 (820 MB)
# ipv4 udp -z -t 1
# tx=6153 (383 MB) txc=6153 zc=n
# rx=6107 (381 MB)
# ok
# ipv6 udp -t 1
# tx=15363 (958 MB) txc=0 zc=n
# rx=14629 (912 MB)
# ipv6 udp -z -t 1
# tx=6519 (406 MB) txc=6519 zc=n
# rx=6474 (404 MB)
# ok
# OK. All tests passed
ok 1 selftests: net: msg_zerocopy.sh
make[1]: Leaving directory '/home/virtme/testing-3/tools/testing/selftests/net'
make: Leaving directory '/home/virtme/testing-3/tools/testing/selftests'
xx__-> echo $?
0
xx__->