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2020-03-30bpf: lsm: Add selftests for BPF_PROG_TYPE_LSMKP Singh
* Load/attach a BPF program that hooks to file_mprotect (int) and bprm_committed_creds (void). * Perform an action that triggers the hook. * Verify if the audit event was received using the shared global variables for the process executed. * Verify if the mprotect returns a -EPERM. Signed-off-by: KP Singh <kpsingh@google.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Reviewed-by: Brendan Jackman <jackmanb@google.com> Reviewed-by: Florent Revest <revest@google.com> Reviewed-by: Thomas Garnier <thgarnie@google.com> Reviewed-by: James Morris <jamorris@linux.microsoft.com> Acked-by: Andrii Nakryiko <andriin@fb.com> Link: https://lore.kernel.org/bpf/20200329004356.27286-8-kpsingh@chromium.org
2019-08-21selftests/bpf: add config fragment BPF_JITAnders Roxell
When running test_kmod.sh the following shows up # sysctl cannot stat /proc/sys/net/core/bpf_jit_enable No such file or directory cannot: stat_/proc/sys/net/core/bpf_jit_enable # # sysctl cannot stat /proc/sys/net/core/bpf_jit_harden No such file or directory cannot: stat_/proc/sys/net/core/bpf_jit_harden # Rework to enable CONFIG_BPF_JIT to solve "No such file or directory" Signed-off-by: Anders Roxell <anders.roxell@linaro.org> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
2019-04-24selftests/bpf: expand test_tc_tunnel with SIT encapWillem de Bruijn
So far, all BPF tc tunnel testcases encapsulate in the same network protocol. Add an encap testcase that requires updating skb->protocol. The 6in4 tunnel encapsulates an IPv6 packet inside an IPv4 tunnel. Verify that bpf_skb_net_grow correctly updates skb->protocol to select the right protocol handler in __netif_receive_skb_core. The BPF program should also manually update the link layer header to encode the right network protocol. Changes v1->v2 - improve documentation of non-obvious logic Signed-off-by: Willem de Bruijn <willemb@google.com> Tested-by: Alan Maguire <alan.maguire@oracle.com> Acked-by: Yonghong Song <yhs@fb.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
2019-04-11selftests_bpf: add L2 encap to test_tc_tunnelAlan Maguire
Update test_tc_tunnel to verify adding inner L2 header encapsulation (an MPLS label or ethernet header) works. Signed-off-by: Alan Maguire <alan.maguire@oracle.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
2019-04-11selftests_bpf: extend test_tc_tunnel for UDP encapAlan Maguire
commit 868d523535c2 ("bpf: add bpf_skb_adjust_room encap flags") introduced support to bpf_skb_adjust_room for GSO-friendly GRE and UDP encapsulation and later introduced associated test_tc_tunnel tests. Here those tests are extended to cover UDP encapsulation also. Signed-off-by: Alan Maguire <alan.maguire@oracle.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
2019-03-22selftests/bpf: expand bpf tunnel test to ipv6Willem de Bruijn
The test only uses ipv4 so far, expand to ipv6. This is mostly a boilerplate near copy of the ipv4 path. Signed-off-by: Willem de Bruijn <willemb@google.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2018-11-28selftests/bpf: add config fragment CONFIG_FTRACE_SYSCALLSNaresh Kamboju
CONFIG_FTRACE_SYSCALLS=y is required for get_cgroup_id_user test case this test reads a file from debug trace path /sys/kernel/debug/tracing/events/syscalls/sys_enter_nanosleep/id Signed-off-by: Naresh Kamboju <naresh.kamboju@linaro.org> Acked-by: Yonghong Song <yhs@fb.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
2018-10-26selftests/bpf: add config fragments BPF_STREAM_PARSER and XDP_SOCKETSNaresh Kamboju
BPF sockmap and hashmap are dependent on CONFIG_BPF_STREAM_PARSER and xskmap is dependent on CONFIG_XDP_SOCKETS Signed-off-by: Naresh Kamboju <naresh.kamboju@linaro.org> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
2018-10-11selftests: bpf: add config fragment LWTUNNELAnders Roxell
When test_lwt_seg6local.sh was added commit c99a84eac026 ("selftests/bpf: test for seg6local End.BPF action") config fragment wasn't added, and without CONFIG_LWTUNNEL enabled we see this: Error: CONFIG_LWTUNNEL is not enabled in this kernel. selftests: test_lwt_seg6local [FAILED] Signed-off-by: Anders Roxell <anders.roxell@linaro.org> Acked-by: Song Liu <songliubraving@fb.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
2018-09-14selftests/bpf: test bpf flow dissectionPetar Penkov
Adds a test that sends different types of packets over multiple tunnels and verifies that valid packets are dissected correctly. To do so, a tc-flower rule is added to drop packets on UDP src port 9, and packets are sent from ports 8, 9, and 10. Only the packets on port 9 should be dropped. Because tc-flower relies on the flow dissector to match flows, correct classification demonstrates correct dissection. Also add support logic to load the BPF program and to inject the test packets. Signed-off-by: Petar Penkov <ppenkov@google.com> Signed-off-by: Willem de Bruijn <willemb@google.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2018-06-26selftests: bpf: add missing NET_SCHED to configAnders Roxell
CONFIG_NET_SCHED wasn't enabled in arm64's defconfig only for x86. So bpf/test_tunnel.sh tests fails with: RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported We have an error talking to the kernel, -1 Enable NET_SCHED and more tests pass. Fixes: 3bce593ac06b ("selftests: bpf: config: add config fragments") Signed-off-by: Anders Roxell <anders.roxell@linaro.org> Acked-by: Song Liu <songliubraving@fb.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
2018-06-13selftests: bpf: config: add config fragmentsAnders Roxell
Tests test_tunnel.sh fails due to config fragments ins't enabled. Fixes: 933a741e3b82 ("selftests/bpf: bpf tunnel test.") Signed-off-by: Anders Roxell <anders.roxell@linaro.org> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
2018-05-18selftests: bpf: config: enable NET_SCH_INGRESS for xdp_meta.shAnders Roxell
When running bpf's selftest test_xdp_meta.sh it fails: ./test_xdp_meta.sh Error: Specified qdisc not found. selftests: test_xdp_meta [FAILED] Need to enable CONFIG_NET_SCH_INGRESS and CONFIG_NET_CLS_ACT to get the test to pass. Fixes: 22c8852624fc ("bpf: improve selftests and add tests for meta pointer") Signed-off-by: Anders Roxell <anders.roxell@linaro.org> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
2017-12-19selftests/bpf: add netdevsim to configJakub Kicinski
BPF offload tests (test_offload.py) will require netdevsim to be built, add it to config. Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com> Reviewed-by: Quentin Monnet <quentin.monnet@netronome.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
2017-12-12selftests: bpf: Adding config fragment CONFIG_CGROUP_BPF=yNaresh Kamboju
CONFIG_CGROUP_BPF=y is required for test_dev_cgroup test case. Signed-off-by: Naresh Kamboju <naresh.kamboju@linaro.org> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
2016-10-18bpf: add initial suite for selftestsDaniel Borkmann
Add a start of a test suite for kernel selftests. This moves test_verifier and test_maps over to tools/testing/selftests/bpf/ along with various code improvements and also adds a script for invoking test_bpf module. The test suite can simply be run via selftest framework, f.e.: # cd tools/testing/selftests/bpf/ # make # make run_tests Both test_verifier and test_maps were kind of misplaced in samples/bpf/ directory and we were looking into adding them to selftests for a while now, so it can be picked up by kbuild bot et al and hopefully also get more exposure and thus new test case additions. Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Acked-by: Alexei Starovoitov <ast@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
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