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2020-03-05tc-testing: list kernel options for basic filter with canid ematch.Roman Mashak
Signed-off-by: Roman Mashak <mrv@mojatatu.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-05selftests: forwarding: ETS: Use Qdisc countersPetr Machata
Currently the SW-datapath ETS selftests use "ip link" stats to obtain the number of packets that went through a given band. mlxsw then uses ethtool per-priority counters. Instead, change both to use qdiscs. In SW datapath this is the obvious choice, and now that mlxsw offloads FIFO, this should work on the offloaded datapath as well. This has the effect of verifying that the FIFO offload works. Signed-off-by: Petr Machata <petrm@mellanox.com> Signed-off-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-05selftests/bpf: Add send_signal_sched_switch testYonghong Song
Added one test, send_signal_sched_switch, to test bpf_send_signal() helper triggered by sched/sched_switch tracepoint. This test can be used to verify kernel deadlocks fixed by the previous commit. The test itself is heavily borrowed from Commit eac9153f2b58 ("bpf/stackmap: Fix deadlock with rq_lock in bpf_get_stack()"). Signed-off-by: Yonghong Song <yhs@fb.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org> Acked-by: Andrii Nakryiko <andriin@fb.com> Cc: Song Liu <songliubraving@fb.com> Link: https://lore.kernel.org/bpf/20200304191105.2796601-1-yhs@fb.com
2020-03-04seccomp: allow TSYNC and USER_NOTIF togetherTycho Andersen
The restriction introduced in 7a0df7fbc145 ("seccomp: Make NEW_LISTENER and TSYNC flags exclusive") is mostly artificial: there is enough information in a seccomp user notification to tell which thread triggered a notification. The reason it was introduced is because TSYNC makes the syscall return a thread-id on failure, and NEW_LISTENER returns an fd, and there's no way to distinguish between these two cases (well, I suppose the caller could check all fds it has, then do the syscall, and if the return value was an fd that already existed, then it must be a thread id, but bleh). Matthew would like to use these two flags together in the Chrome sandbox which wants to use TSYNC for video drivers and NEW_LISTENER to proxy syscalls. So, let's fix this ugliness by adding another flag, TSYNC_ESRCH, which tells the kernel to just return -ESRCH on a TSYNC error. This way, NEW_LISTENER (and any subsequent seccomp() commands that want to return positive values) don't conflict with each other. Suggested-by: Matthew Denton <mpdenton@google.com> Signed-off-by: Tycho Andersen <tycho@tycho.ws> Link: https://lore.kernel.org/r/20200304180517.23867-1-tycho@tycho.ws Signed-off-by: Kees Cook <keescook@chromium.org>
2020-03-04bpf: Add selftests for BPF_MODIFY_RETURNKP Singh
Test for two scenarios: * When the fmod_ret program returns 0, the original function should be called along with fentry and fexit programs. * When the fmod_ret program returns a non-zero value, the original function should not be called, no side effect should be observed and fentry and fexit programs should be called. The result from the kernel function call and whether a side-effect is observed is returned via the retval attr of the BPF_PROG_TEST_RUN (bpf) syscall. Signed-off-by: KP Singh <kpsingh@google.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org> Acked-by: Andrii Nakryiko <andriin@fb.com> Acked-by: Daniel Borkmann <daniel@iogearbox.net> Link: https://lore.kernel.org/bpf/20200304191853.1529-8-kpsingh@chromium.org
2020-03-04bpf: Add test ops for BPF_PROG_TYPE_TRACINGKP Singh
The current fexit and fentry tests rely on a different program to exercise the functions they attach to. Instead of doing this, implement the test operations for tracing which will also be used for BPF_MODIFY_RETURN in a subsequent patch. Also, clean up the fexit test to use the generated skeleton. Signed-off-by: KP Singh <kpsingh@google.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org> Acked-by: Andrii Nakryiko <andriin@fb.com> Acked-by: Daniel Borkmann <daniel@iogearbox.net> Link: https://lore.kernel.org/bpf/20200304191853.1529-7-kpsingh@chromium.org
2020-03-04selftests/bpf: Support out-of-tree vmlinux builds for VMLINUX_BTFAndrii Nakryiko
Add detection of out-of-tree built vmlinux image for the purpose of VMLINUX_BTF detection. According to Documentation/kbuild/kbuild.rst, O takes precedence over KBUILD_OUTPUT. Also ensure ~/path/to/build/dir also works by relying on wildcard's resolution first, but then applying $(abspath) at the end to also handle O=../../whatever cases. Signed-off-by: Andrii Nakryiko <andriin@fb.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org> Link: https://lore.kernel.org/bpf/20200304184336.165766-1-andriin@fb.com
2020-03-04libbpf: Assume unsigned values for BTF_KIND_ENUMAndrii Nakryiko
Currently, BTF_KIND_ENUM type doesn't record whether enum values should be interpreted as signed or unsigned. In Linux, most enums are unsigned, though, so interpreting them as unsigned matches real world better. Change btf_dump test case to test maximum 32-bit value, instead of negative value. Signed-off-by: Andrii Nakryiko <andriin@fb.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Link: https://lore.kernel.org/bpf/20200303003233.3496043-3-andriin@fb.com
2020-03-03selftests: mlxsw: qos_defprio: Use until_counter_isPetr Machata
Instead of hand-coding the busywait() predicate, use the until_counter_is() introduced recently. Signed-off-by: Petr Machata <petrm@mellanox.com> Reviewed-by: Amit Cohen <amitc@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-03selftests: forwarding: tc_common: Convert to use busywaitPetr Machata
A function busywait() was recently added based on the logic in __tc_check_packets(). Convert the code in tc_common to use the new function. Signed-off-by: Petr Machata <petrm@mellanox.com> Reviewed-by: Amit Cohen <amitc@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-03selftests: forwarding: Convert until_counter_is() to take expressionPetr Machata
until_counter_is() currently takes as an argument a number and the condition holds when the current counter value is >= that number. Make the function more generic by taking a partial expression instead of just the number. Convert the two existing users. Signed-off-by: Petr Machata <petrm@mellanox.com> Reviewed-by: Amit Cohen <amitc@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-03selftests: forwarding: lib: Add tc_rule_handle_stats_get()Petr Machata
The function tc_rule_stats_get() fetches a given statistic of a TC rule given the rule preference. Another common way to reference a rule is using its handle. Introduce a dual to the aforementioned function that gets a statistic given rule handle. Signed-off-by: Petr Machata <petrm@mellanox.com> Reviewed-by: Amit Cohen <amitc@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-03selftests/bpf: Test new __sk_buff field gso_sizeWillem de Bruijn
Analogous to the gso_segs selftests introduced in commit d9ff286a0f59 ("bpf: allow BPF programs access skb_shared_info->gso_segs field"). Signed-off-by: Willem de Bruijn <willemb@google.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org> Link: https://lore.kernel.org/bpf/20200303200503.226217-4-willemdebruijn.kernel@gmail.com
2020-03-03selftests/net/fib_tests: update addr_metric_test for peer route testingHangbin Liu
This patch update {ipv4, ipv6}_addr_metric_test with 1. Set metric of address with peer route and see if the route added correctly. 2. Modify metric and peer address for peer route and see if the route changed correctly. Signed-off-by: Hangbin Liu <liuhangbin@gmail.com> Reviewed-by: David Ahern <dsahern@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-02selftests/bpf: Add link pinning selftestsAndrii Nakryiko
Add selftests validating link pinning/unpinning and associated BPF link (attachment) lifetime. Signed-off-by: Andrii Nakryiko <andriin@fb.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org> Link: https://lore.kernel.org/bpf/20200303043159.323675-4-andriin@fb.com
2020-03-02selftests/bpf: Declare bpf_log_buf variables as staticToke Høiland-Jørgensen
The cgroup selftests did not declare the bpf_log_buf variable as static, leading to a linker error with GCC 10 (which defaults to -fno-common). Fix this by adding the missing static declarations. Fixes: 257c88559f36 ("selftests/bpf: Convert test_cgroup_attach to prog_tests") Signed-off-by: Toke Høiland-Jørgensen <toke@redhat.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org> Acked-by: Andrey Ignatov <rdna@fb.com> Link: https://lore.kernel.org/bpf/20200302145348.559177-1-toke@redhat.com
2020-03-02libbpf: Merge selftests' bpf_trace_helpers.h into libbpf's bpf_tracing.hAndrii Nakryiko
Move BPF_PROG, BPF_KPROBE, and BPF_KRETPROBE macro into libbpf's bpf_tracing.h header to make it available for non-selftests users. Signed-off-by: Andrii Nakryiko <andriin@fb.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org> Link: https://lore.kernel.org/bpf/20200229231112.1240137-5-andriin@fb.com
2020-03-02selftests/bpf: Fix BPF_KRETPROBE macro and use it in attach_probe testAndrii Nakryiko
For kretprobes, there is no point in capturing input arguments from pt_regs, as they are going to be, most probably, clobbered by the time probed kernel function returns. So switch BPF_KRETPROBE to accept zero or one argument (optional return result). Fixes: ac065870d928 ("selftests/bpf: Add BPF_PROG, BPF_KPROBE, and BPF_KRETPROBE macros") Signed-off-by: Andrii Nakryiko <andriin@fb.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org> Link: https://lore.kernel.org/bpf/20200229231112.1240137-4-andriin@fb.com
2020-03-02selftest/lkdtm: Use local .gitignoreChristophe Leroy
Commit 68ca0fd272da ("selftest/lkdtm: Don't pollute 'git status'") introduced patterns for git to ignore files generated in tools/testing/selftests/lkdtm/ Use local .gitignore file instead of using the root one. Fixes: 68ca0fd272da ("selftest/lkdtm: Don't pollute 'git status'") Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr> Acked-by: Kees Cook <keescook@chromium.org> Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
2020-02-29Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-nextDavid S. Miller
Alexei Starovoitov says: ==================== pull-request: bpf-next 2020-02-28 The following pull-request contains BPF updates for your *net-next* tree. We've added 41 non-merge commits during the last 7 day(s) which contain a total of 49 files changed, 1383 insertions(+), 499 deletions(-). The main changes are: 1) BPF and Real-Time nicely co-exist. 2) bpftool feature improvements. 3) retrieve bpf_sk_storage via INET_DIAG. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2020-02-28selftests: pidfd: Add pidfd_fdinfo_test in .gitignoreChristophe Leroy
The commit identified below added pidfd_fdinfo_test but failed to add it to .gitignore Fixes: 2def297ec7fb ("pidfd: add tests for NSpid info in fdinfo") Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr> Acked-by: Christian Brauner <christian.brauner@ubuntu.com> Cc: stable@vger.kernel.org Link: https://lore.kernel.org/r/966567c7dbaa26a06730d796354f8a086c0ee288.1582847778.git.christophe.leroy@c-s.fr Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>
2020-02-27Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/netDavid S. Miller
The mptcp conflict was overlapping additions. The SMC conflict was an additional and removal happening at the same time. Signed-off-by: David S. Miller <davem@davemloft.net>
2020-02-27Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/netLinus Torvalds
Pull networking fixes from David Miller: 1) Fix leak in nl80211 AP start where we leak the ACL memory, from Johannes Berg. 2) Fix double mutex unlock in mac80211, from Andrei Otcheretianski. 3) Fix RCU stall in ipset, from Jozsef Kadlecsik. 4) Fix devlink locking in devlink_dpipe_table_register, from Madhuparna Bhowmik. 5) Fix race causing TX hang in ll_temac, from Esben Haabendal. 6) Stale eth hdr pointer in br_dev_xmit(), from Nikolay Aleksandrov. 7) Fix TX hash calculation bounds checking wrt. tc rules, from Amritha Nambiar. 8) Size netlink responses properly in schedule action code to take into consideration TCA_ACT_FLAGS. From Jiri Pirko. 9) Fix firmware paths for mscc PHY driver, from Antoine Tenart. 10) Don't register stmmac notifier multiple times, from Aaro Koskinen. 11) Various rmnet bug fixes, from Taehee Yoo. 12) Fix vsock deadlock in vsock transport release, from Stefano Garzarella. * git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (61 commits) net: dsa: mv88e6xxx: Fix masking of egress port mlxsw: pci: Wait longer before accessing the device after reset sfc: fix timestamp reconstruction at 16-bit rollover points vsock: fix potential deadlock in transport->release() unix: It's CONFIG_PROC_FS not CONFIG_PROCFS net: rmnet: fix packet forwarding in rmnet bridge mode net: rmnet: fix bridge mode bugs net: rmnet: use upper/lower device infrastructure net: rmnet: do not allow to change mux id if mux id is duplicated net: rmnet: remove rcu_read_lock in rmnet_force_unassociate_device() net: rmnet: fix suspicious RCU usage net: rmnet: fix NULL pointer dereference in rmnet_changelink() net: rmnet: fix NULL pointer dereference in rmnet_newlink() net: phy: marvell: don't interpret PHY status unless resolved mlx5: register lag notifier for init network namespace only unix: define and set show_fdinfo only if procfs is enabled hinic: fix a bug of rss configuration hinic: fix a bug of setting hw_ioctxt hinic: fix a irq affinity bug net/smc: check for valid ib_client_data ...
2020-02-27selftests: mlxsw: resource_scale: Invoke for Spectrum-3Amit Cohen
The scale test for Spectrum-2 should be invoked for Spectrum-2 and Spectrum-3. Add the appropriate device ID. Signed-off-by: Amit Cohen <amitc@mellanox.com> Signed-off-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-02-27selftests: mlxsw: Reduce router scale running time using offload indicationDanielle Ratson
Currently, the test inserts X /32 routes and for each route it is testing that a packet sent from the first host is received by the second host, which is very time-consuming. Instead only validate the offload flag of each route and get the same result. Wait between the creation of the routes and the offload validation in order to make sure that all the routes were successfully offloaded. Signed-off-by: Danielle Ratson <danieller@mellanox.com> Signed-off-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-02-27selftests: mlxsw: Reduce running time using offload indicationDanielle Ratson
After adding a given number of flower rules for different IPv6 addresses, the test generates traffic and ensures that each packet is received, which is time-consuming. Instead, test the offload indication of the tc flower rules and reduce the running time by half. Signed-off-by: Danielle Ratson <danieller@mellanox.com> Signed-off-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-02-27selftests: mlxsw: Add shared buffer traffic testShalom Toledo
Test the max shared buffer occupancy for port's pool and port's TC's (using different types of packets). Signed-off-by: Shalom Toledo <shalomt@mellanox.com> Signed-off-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-02-27selftests: mlxsw: Add mlxsw libShalom Toledo
Add mlxsw lib for common defines, helpers etc. Signed-off-by: Shalom Toledo <shalomt@mellanox.com> Signed-off-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-02-27selftests: devlink_lib: Add devlink port helpersShalom Toledo
Add two devlink port helpers: * devlink port get by netdev * devlink cpu port get Signed-off-by: Shalom Toledo <shalomt@mellanox.com> Signed-off-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-02-27selftests: devlink_lib: Check devlink info command is supportedShalom Toledo
Sanity check for devlink info command. Signed-off-by: Shalom Toledo <shalomt@mellanox.com> Signed-off-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-02-27selftests: mlxsw: Add shared buffer configuration testShalom Toledo
Test physical ports' shared buffer configuration options using random values related to a specific configuration option. There are 3 configuration options: pool, TC bind and portpool. Each sub-test, test a different configuration option and random the related values as the follow: * For pools, pool's size will be randomized. * For TC bind, pool number and threshold will be randomized. * For portpools, threshold will be randomized. Signed-off-by: Shalom Toledo <shalomt@mellanox.com> Signed-off-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-02-27selftests: mlxsw: Use busywait helper in rtnetlink testDanielle Ratson
Rtnetlink test uses offload indication checks. Use a busywait helper and wait until the offload indication is set or fail if it reaches timeout. Signed-off-by: Danielle Ratson <danieller@mellanox.com> Reviewed-by: Petr Machata <petrm@mellanox.com> Signed-off-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-02-27selftests: mlxsw: Use busywait helper in vxlan testDanielle Ratson
Vxlan test uses offload indication checks. Use a busywait helper and wait until the offload indication is set or fail if it reaches timeout. Signed-off-by: Danielle Ratson <danieller@mellanox.com> Reviewed-by: Petr Machata <petrm@mellanox.com> Signed-off-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-02-27selftests: mlxsw: Use busywait helper in blackhole routes testDanielle Ratson
Blackhole routes test uses offload indication checks. Use busywait helper and wait until the routes offload indication is set or fail if it reaches timeout. Signed-off-by: Danielle Ratson <danieller@mellanox.com> Reviewed-by: Petr Machata <petrm@mellanox.com> Signed-off-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-02-27selftests: devlink_trap_l3_drops: Avoid race conditionIdo Schimmel
The test checks that packets are trapped when they should egress a router interface (RIF) that has become disabled. This is a temporary state in a RIF's deletion sequence. Currently, the test deletes the RIF by flushing all the IP addresses configured on the associated netdev (br0). However, this is racy, as this also flushes all the routes pointing to the netdev and if the routes are deleted from the device before the RIF is disabled, then no packets will try to egress the disabled RIF and the trap will not be triggered. Instead, trigger the deletion of the RIF by unlinking the mlxsw port from the bridge that is backing the RIF. Unlike before, this will not cause the kernel to delete the routes pointing to the bridge. Note that due to current mlxsw locking scheme the RIF is always deleted first, but this is going to change. Signed-off-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-02-27selftests: add a mirror test to mlxsw tc flower restrictionsJiri Pirko
Include test of forbidding to have multiple mirror actions. Signed-off-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-02-27selftests: add egress redirect test to mlxsw tc flower restrictionsJiri Pirko
Include test of forbidding to have redirect rule on egress-bound block. Signed-off-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-02-27selftests: mlxsw: Add a RED selftestPetr Machata
This tests that below the queue minimum length, there is no dropping / marking, and above max, everything is dropped / marked. The test is structured as a core file with topology and test code, and three wrappers: one for RED used as a root Qdisc, and two for testing (W)RED under PRIO and ETS. Signed-off-by: Petr Machata <petrm@mellanox.com> Signed-off-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-02-27selftests: forwarding: lib.sh: Add start_tcp_trafficPetr Machata
Extract a helper __start_traffic() configurable by protocol type. Allow passing through extra mausezahn arguments. Add a wrapper, start_tcp_traffic(). Signed-off-by: Petr Machata <petrm@mellanox.com> Signed-off-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-02-27radix tree test suite: Support kmem_cache alignmentMatthew Wilcox (Oracle)
The radix tree doesn't use alignment, so the argument was ignored. The maple tree needs its nodes to be aligned, so we need to pay attention to the alignment argument. Also change the types of 'size' and 'align' to unsigned int to match commit f4957d5bd0916. Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
2020-02-26Merge tag 'linux-kselftest-kunit-5.6-rc4' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest Pull Kunit fixes from Shuah Khan: "This Kselftest kunit update consists of fixes to documentation and the run-time tool from Brendan Higgins and Heidi Fahim" * tag 'linux-kselftest-kunit-5.6-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest: kunit: run kunit_tool from any directory kunit: test: Improve error messages for kunit_tool when kunitconfig is invalid Documentation: kunit: fixed sphinx error in code block
2020-02-26Merge tag 'linux-kselftest-5.6-rc4' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest Pull Kselftest fixes from Shuah Khan: - fixes to TIMEOUT failures and out-of-tree compilation compilation errors from Michael Ellerman. - declutter git status fix from Christophe Leroy * tag 'linux-kselftest-5.6-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest: selftests/rseq: Fix out-of-tree compilation selftests: Install settings files to fix TIMEOUT failures selftest/lkdtm: Don't pollute 'git status'
2020-02-26selftests/bpf: Add test for "bpftool feature" commandMichal Rostecki
Add Python module with tests for "bpftool feature" command, which mainly checks whether the "full" option is working properly. Signed-off-by: Michal Rostecki <mrostecki@opensuse.org> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Reviewed-by: Quentin Monnet <quentin@isovalent.com> Link: https://lore.kernel.org/bpf/20200226165941.6379-6-mrostecki@opensuse.org
2020-02-26selftests: nft_concat_range: Add test for reported add/flush/add issueStefano Brivio
Add a specific test for the crash reported by Phil Sutter and addressed in the previous patch. The test cases that, in my intention, should have covered these cases, that is, the ones from the 'concurrency' section, don't run these sequences tightly enough and spectacularly failed to catch this. While at it, define a convenient way to add these kind of tests, by adding a "reported issues" test section. It's more convenient, for this particular test, to execute the set setup in its own function. However, future test cases like this one might need to call setup functions, and will typically need no tools other than nft, so allow for this in check_tools(). The original form of the reproducer used here was provided by Phil. Reported-by: Phil Sutter <phil@nwl.cc> Signed-off-by: Stefano Brivio <sbrivio@redhat.com> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2020-02-25selftests/bpf: Print backtrace on SIGSEGV in test_progsAndrii Nakryiko
Due to various bugs in tests clean up code (usually), if host system is misconfigured, it happens that test_progs will just crash in the middle of running a test with little to no indication of where and why the crash happened. For cases where coredump is not readily available (e.g., inside a CI), it's very helpful to have a stack trace, which lead to crash, to be printed out. This change adds a signal handler that will capture and print out symbolized backtrace: $ sudo ./test_progs -t mmap test_mmap:PASS:skel_open_and_load 0 nsec test_mmap:PASS:bss_mmap 0 nsec test_mmap:PASS:data_mmap 0 nsec Caught signal #11! Stack trace: ./test_progs(crash_handler+0x18)[0x42a888] /lib64/libpthread.so.0(+0xf5d0)[0x7f2aab5175d0] ./test_progs(test_mmap+0x3c0)[0x41f0a0] ./test_progs(main+0x160)[0x407d10] /lib64/libc.so.6(__libc_start_main+0xf5)[0x7f2aab15d3d5] ./test_progs[0x407ebc] [1] 1988412 segmentation fault (core dumped) sudo ./test_progs -t mmap Unfortunately, glibc's symbolization support is unable to symbolize static functions, only global ones will be present in stack trace. But it's still a step forward without adding extra libraries to get a better symbolization. Signed-off-by: Andrii Nakryiko <andriin@fb.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Acked-by: Song Liu <songliubraving@fb.com> Link: https://lore.kernel.org/bpf/20200225000847.3965188-1-andriin@fb.com
2020-02-25selftests: netdevsim: Extend devlink trap test to include flow action cookieJiri Pirko
Extend existing devlink trap test to include metadata type for flow action cookie. Signed-off-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-02-25selftests: nft_concat_range: Move option for 'list ruleset' before commandStefano Brivio
Before nftables commit fb9cea50e8b3 ("main: enforce options before commands"), 'nft list ruleset -a' happened to work, but it's wrong and won't work anymore. Replace it by 'nft -a list ruleset'. Reported-by: Chen Yi <yiche@redhat.com> Fixes: 611973c1e06f ("selftests: netfilter: Introduce tests for sets with range concatenation") Signed-off-by: Stefano Brivio <sbrivio@redhat.com> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2020-02-24selftests/bpf: Run SYN cookies with reuseport BPF test only for TCPJakub Sitnicki
Currently we run SYN cookies test for all socket types and mark the test as skipped if socket type is not compatible. This causes confusion because skipped test might indicate a problem with the testing environment. Instead, run the test only for the socket type which supports SYN cookies. Also, switch to using designated initializers when setting up tests, so that we can tweak only some test parameters, leaving the rest initialized to default values. Fixes: eecd618b4516 ("selftests/bpf: Mark SYN cookie test skipped for UDP sockets") Reported-by: Alexei Starovoitov <ast@kernel.org> Signed-off-by: Jakub Sitnicki <jakub@cloudflare.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org> Acked-by: Martin KaFai Lau <kafai@fb.com> Link: https://lore.kernel.org/bpf/20200224135327.121542-2-jakub@cloudflare.com
2020-02-24selftests/bpf: Run reuseport tests only with supported socket typesJakub Sitnicki
SOCKMAP and SOCKHASH map types can be used with reuseport BPF programs but don't support yet storing UDP sockets. Instead of marking UDP tests with SOCK{MAP,HASH} as skipped, don't run them at all. Skipped test might signal that the test environment is not suitable for running the test, while in reality the functionality is not implemented in the kernel yet. Before: sh# ./test_progs -t select_reuseport … #40 select_reuseport:OK Summary: 1/126 PASSED, 30 SKIPPED, 0 FAILED After: sh# ./test_progs -t select_reuseport … #40 select_reuseport:OK Summary: 1/98 PASSED, 2 SKIPPED, 0 FAILED The remaining two skipped tests are SYN cookies tests, which will be addressed in the subsequent patch. Fixes: 11318ba8cafd ("selftests/bpf: Extend SK_REUSEPORT tests to cover SOCKMAP/SOCKHASH") Reported-by: Alexei Starovoitov <ast@kernel.org> Signed-off-by: Jakub Sitnicki <jakub@cloudflare.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org> Acked-by: Martin KaFai Lau <kafai@fb.com> Link: https://lore.kernel.org/bpf/20200224135327.121542-1-jakub@cloudflare.com
2020-02-24selftests: devlink_trap_acl_drops: Add ACL traps testJiri Pirko
Add a test to check functionality of ACL traps. Signed-off-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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