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=196698 (12274 MB) txc=0 zc=n
# rx=95238 (12274 MB)
# ipv4 tcp -z -t 1
# tx=127011 (7925 MB) txc=127011 zc=n
# rx=63484 (7925 MB)
# ok
# ipv6 tcp -t 1
# tx=196712 (12275 MB) txc=0 zc=n
# rx=91467 (12275 MB)
# ipv6 tcp -z -t 1
# tx=126361 (7885 MB) txc=126361 zc=n
# rx=63162 (7885 MB)
# ok
# ipv4 udp -t 1
# tx=232728 (14523 MB) txc=0 zc=n
# rx=232697 (14521 MB)
# ipv4 udp -z -t 1
# tx=122280 (7630 MB) txc=122280 zc=n
# rx=122252 (7628 MB)
# ok
# ipv6 udp -t 1
# tx=193943 (12102 MB) txc=0 zc=n
# rx=193943 (12102 MB)
# ipv6 udp -z -t 1
# tx=102920 (6422 MB) txc=102920 zc=n
# rx=102902 (6421 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__->