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-1/tools/testing/selftests'
make[1]: Entering directory '/home/virtme/testing-1/tools/testing/selftests/net'
make[1]: Nothing to be done for 'all'.
make[1]: Leaving directory '/home/virtme/testing-1/tools/testing/selftests/net'
make[1]: Entering directory '/home/virtme/testing-1/tools/testing/selftests/net'
TAP version 13
1..1
# timeout set to 3600
# selftests: net: msg_zerocopy.sh
# ipv4 tcp -t 1
# tx=167886 (10476 MB) txc=0 zc=n
# rx=81790 (10476 MB)
# ipv4 tcp -z -t 1
# tx=101428 (6329 MB) txc=101428 zc=n
# rx=50700 (6329 MB)
# ok
# ipv6 tcp -t 1
# tx=156537 (9768 MB) txc=0 zc=n
# rx=70552 (9768 MB)
# ipv6 tcp -z -t 1
# tx=96682 (6033 MB) txc=96682 zc=n
# rx=48309 (6033 MB)
# ok
# ipv4 udp -t 1
# tx=242833 (15153 MB) txc=0 zc=n
# rx=242815 (15152 MB)
# ipv4 udp -z -t 1
# tx=93307 (5822 MB) txc=93307 zc=n
# rx=93307 (5822 MB)
# ok
# ipv6 udp -t 1
# tx=157796 (9847 MB) txc=0 zc=n
# rx=157792 (9846 MB)
# ipv6 udp -z -t 1
# tx=109050 (6805 MB) txc=109050 zc=n
# rx=109024 (6803 MB)
# ok
# OK. All tests passed
ok 1 selftests: net: msg_zerocopy.sh
make[1]: Leaving directory '/home/virtme/testing-1/tools/testing/selftests/net'
make: Leaving directory '/home/virtme/testing-1/tools/testing/selftests'
xx__-> echo $?
0
xx__->