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test, seccomp, Makefile: Switch to valgrind runs for passt functional tests
Pass to seccomp.sh a list of additional syscalls valgrind needs as EXTRA_SYSCALLS in a new 'valgrind' make target, and add corresponding support in seccomp.sh itself. In test setup functions, start passt with valgrind, but not for performance tests. Add tests checking that valgrind exits without errors after all the other tests in the group are done. Signed-off-by: Stefano Brivio <sbrivio@redhat.com>
This commit is contained in:
Stefano Brivio
parent
a3bcca864e
commit
66a95e331e
8
Makefile
8
Makefile
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@ -83,7 +83,7 @@ static: CFLAGS += -static -DGLIBC_NO_STATIC_NSS
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static: clean all
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seccomp.h: *.c $(filter-out seccomp.h,$(wildcard *.h))
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@ ./seccomp.sh
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@ EXTRA_SYSCALLS=$(EXTRA_SYSCALLS) ./seccomp.sh
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passt: $(filter-out qrap.c,$(wildcard *.c)) \
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$(filter-out qrap.h,$(wildcard *.h)) seccomp.h
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@ -108,6 +108,12 @@ qrap: qrap.c passt.h
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$(CC) $(CFLAGS) \
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qrap.c -o qrap
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valgrind: EXTRA_SYSCALLS="rt_sigprocmask rt_sigtimedwait rt_sigaction \
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getpid gettid kill clock_gettime mmap munmap open \
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unlink exit_group gettimeofday"
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valgrind: CFLAGS:=-g -O0 $(filter-out -O%,$(CFLAGS))
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valgrind: all
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.PHONY: clean
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clean:
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-${RM} passt passt.avx2 *.o seccomp.h qrap pasta pasta.avx2 pasta.1 \
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@ -234,6 +234,7 @@ printf '%s\n' "${HEADER}" > "${OUT}"
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__profiles="$(sed -n 's/[\t ]*\*[\t ]*#syscalls:\([^ ]*\).*/\1/p' *.[ch] | sort -u)"
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for __p in ${__profiles}; do
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__calls="$(sed -n 's/[\t ]*\*[\t ]*#syscalls\(:'"${__p}"'\|\)[\t ]\{1,\}\(.*\)/\2/p' *.[ch])"
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__calls="${__calls} ${EXTRA_SYSCALLS:-}"
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__calls="$(filter ${__calls})"
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echo "seccomp profile ${__p} allows: ${__calls}" | tr '\n' ' ' | fmt -t
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@ -31,7 +31,7 @@ Example for Debian, and possibly most Debian-based distributions:
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build-essential git jq strace iperf3 qemu-system-x86 tmux sipcalc bc
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clang-tidy cppcheck isc-dhcp-common udhcpc psmisc linux-cpupower
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netcat-openbsd fakeroot lz4 lm-sensors qemu-system-arm qemu-system-ppc
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qemu-system-misc qemu-system-x86`
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qemu-system-misc qemu-system-x86 valgrind
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### Other tools
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@ -51,8 +51,12 @@ setup_passt() {
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[ ${DEBUG} -eq 1 ] && __opts="${__opts} -d"
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[ ${TRACE} -eq 1 ] && __opts="${__opts} --trace"
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pane_run PASST "./passt ${__opts} -f -t 10001 -u 10001"
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sleep 1
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pane_run PASST "make clean"
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pane_wait PASST
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pane_run PASST "make valgrind"
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pane_wait PASST
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pane_run PASST "valgrind --max-stackframe=$((4 * 1024 * 1024)) --trace-children=yes --vgdb=no --error-exitcode=1 --suppressions=test/valgrind.supp ./passt ${__opts} -f -t 10001 -u 10001 -P passt.pid"
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sleep 5
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pane_run GUEST './qrap 5 kvm -m '${VMEM}' -cpu host -smp '${VCPUS} \
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' -kernel ' "/boot/vmlinuz-$(uname -r)" \
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@ -133,7 +137,7 @@ setup_passt_in_ns() {
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rm "${__pid_file}"
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pane_run GUEST "nsenter -t ${__ns_pid} -U -n --preserve-credentials"
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pane_run NS "nsenter -t ${__ns_pid} -U -n --preserve-credentials"
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pane_run NS "nsenter -t ${__ns_pid} -U -n -p --preserve-credentials"
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pane_wait GUEST
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pane_wait NS
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@ -151,9 +155,20 @@ setup_passt_in_ns() {
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[ ${DEBUG} -eq 1 ] && __opts="${__opts} -d"
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[ ${TRACE} -eq 1 ] && __opts="${__opts} --trace"
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#pane_run PASST "valgrind --max-stackframe=3000000 ./passt -f ${__opts} -t 10001,10011,10021,10031 -u 10001,10011,10021,10031"
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pane_run PASST "./passt -f ${__opts} -t 10001,10011,10021,10031 -u 10001,10011,10021,10031"
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sleep 1
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if [ ${VALGRIND} -eq 1 ]; then
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pane_run PASST "make clean"
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pane_wait PASST
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pane_run PASST "make valgrind"
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pane_wait PASST
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pane_run PASST "valgrind --max-stackframe=$((4 * 1024 * 1024)) --trace-children=yes --vgdb=no --error-exitcode=1 --suppressions=test/valgrind.supp ./passt -f ${__opts} -t 10001,10011,10021,10031 -u 10001,10011,10021,10031 -P passt.pid"
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else
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pane_run PASST "make clean"
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pane_wait PASST
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pane_run PASST "make"
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pane_wait PASST
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pane_run PASST "./passt -f ${__opts} -t 10001,10011,10021,10031 -u 10001,10011,10021,10031 -P passt.pid"
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fi
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sleep 5
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pane_run GUEST './qrap 5 kvm -m '${VMEM}' -cpu host -smp '${VCPUS} \
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' -kernel ' "/boot/vmlinuz-$(uname -r)" \
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@ -264,12 +279,11 @@ setup_two_guests() {
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pane_wait GUEST_2
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}
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# teardown_passt() - Kill qemu and passt
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# teardown_passt() - Kill qemu, remove passt PID file
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teardown_passt() {
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tmux send-keys -t ${PANE_PASST} "C-c"
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pane_wait PASST
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tmux send-keys -t ${PANE_GUEST} "C-c"
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pane_wait GUEST
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rm passt.pid
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}
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# teardown_passt() - Exit namespace, kill pasta process
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@ -280,14 +294,14 @@ teardown_pasta() {
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pane_wait NS
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}
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# teardown_passt_in_ns() - Exit namespace, kill qemu, passt and pasta
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# teardown_passt_in_ns() - Exit namespace, kill qemu and pasta, remove pid file
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teardown_passt_in_ns() {
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tmux send-keys -t ${PANE_GUEST} "C-c"
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pane_wait GUEST
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tmux send-keys -t ${PANE_GUEST} "C-d"
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tmux send-keys -t ${PANE_PASST} "C-c"
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pane_wait PASST
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[ ${VALGRIND} -eq 0 ] && tmux send-keys -t ${PANE_PASST} "C-c"
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[ ${VALGRIND} -eq 0 ] && pane_wait GUEST
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tmux send-keys -t ${PANE_PASST} "C-d"
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tmux send-keys -t ${PANE_NS} "C-d"
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@ -295,6 +309,8 @@ teardown_passt_in_ns() {
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pane_wait GUEST
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pane_wait NS
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pane_wait PASST
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rm passt.pid
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}
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# teardown_two_guests() - Exit namespaces, kill qemu processes, passt and pasta
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9
test/run
9
test/run
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@ -78,14 +78,23 @@ run() {
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test dhcp
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test tcp
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test udp
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test valgrind
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teardown passt
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VALGRIND=1
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setup passt_in_ns
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test ndp
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test dhcp
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test icmp
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test tcp
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test udp
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test valgrind
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teardown passt_in_ns
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VALGRIND=0
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setup passt_in_ns
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test ndp
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test dhcp
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test perf
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teardown passt_in_ns
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9
test/valgrind.supp
Normal file
9
test/valgrind.supp
Normal file
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@ -0,0 +1,9 @@
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# tcp_sock_consume() calls recv() with MSG_TRUNC and no buffer to discard data
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{
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passt_recv_MSG_TRUNC_into_NULL_buffer
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Memcheck:Param
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socketcall.recvfrom(buf)
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fun:recv
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...
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fun:tcp_sock_consume*
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}
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22
test/valgrind/passt
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22
test/valgrind/passt
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@ -0,0 +1,22 @@
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# SPDX-License-Identifier: AGPL-3.0-or-later
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#
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# PASST - Plug A Simple Socket Transport
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# for qemu/UNIX domain socket mode
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#
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# PASTA - Pack A Subtle Tap Abstraction
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# for network namespace/tap device mode
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#
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# test/valgrind/passt - Terminate passt and check valgrind exit code
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#
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# Copyright (c) 2022 Red Hat GmbH
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# Author: Stefano Brivio <sbrivio@redhat.com>
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onlyfor passt
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test valgrind: exit code
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hout PASST_PID cat passt.pid
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host kill __PASST_PID__
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sleep 1
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pout VALGRIND_EXIT echo $?
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check [ "__VALGRIND_EXIT__" = "0" ]
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22
test/valgrind/passt_in_ns
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22
test/valgrind/passt_in_ns
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@ -0,0 +1,22 @@
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# SPDX-License-Identifier: AGPL-3.0-or-later
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#
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# PASST - Plug A Simple Socket Transport
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# for qemu/UNIX domain socket mode
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#
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# PASTA - Pack A Subtle Tap Abstraction
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# for network namespace/tap device mode
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#
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# test/valgrind/passt_in_ns - Terminate passt and check valgrind exit code
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#
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# Copyright (c) 2022 Red Hat GmbH
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# Author: Stefano Brivio <sbrivio@redhat.com>
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onlyfor passt_in_ns
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test valgrind: exit code
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nsout PASST_PID cat passt.pid
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ns kill __PASST_PID__
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sleep 1
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pout VALGRIND_EXIT echo $?
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check [ "__VALGRIND_EXIT__" = "0" ]
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