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2020-03-25selftests/net/forwarding: define libs as TEST_PROGS_EXTENDEDHangbin Liu
The lib files should not be defined as TEST_PROGS, or we will run them in run_kselftest.sh. Also remove ethtool_lib.sh exec permission. Fixes: 81573b18f26d ("selftests/net/forwarding: add Makefile to install tests") Signed-off-by: Hangbin Liu <liuhangbin@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-25selftests/net: add missing tests to MakefileHangbin Liu
Find some tests are missed in Makefile by running: for file in $(ls *.sh); do grep -q $file Makefile || echo $file; done Signed-off-by: Hangbin Liu <liuhangbin@gmail.com> Reviewed-by: David Ahern <dsahern@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-25kunit: kunit_tool: Allow .kunitconfig to disable config itemsDavid Gow
Rework kunit_tool in order to allow .kunitconfig files to better enforce that disabled items in .kunitconfig are disabled in the generated .config. Previously, kunit_tool simply enforced that any line present in .kunitconfig was also present in .config, but this could cause problems if a config option was disabled in .kunitconfig, but not listed in .config due to (for example) having disabled dependencies. To fix this, re-work the parser to track config names and values, and require values to match unless they are explicitly disabled with the "CONFIG_x is not set" comment (or by setting its value to 'n'). Those "disabled" values will pass validation if omitted from the .config, but not if they have a different value. Signed-off-by: David Gow <davidgow@google.com> Reviewed-by: Brendan Higgins <brendanhiggins@google.com> Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
2020-03-25selftests/ptrace: add test cases for dead-locksBernd Edlinger
This adds test cases for ptrace deadlocks. Additionally fixes a compile problem in get_syscall_info.c, observed with gcc-4.8.4: get_syscall_info.c: In function 'get_syscall_info': get_syscall_info.c:93:3: error: 'for' loop initial declarations are only allowed in C99 mode for (unsigned int i = 0; i < ARRAY_SIZE(args); ++i) { ^ get_syscall_info.c:93:3: note: use option -std=c99 or -std=gnu99 to compile your code Signed-off-by: Bernd Edlinger <bernd.edlinger@hotmail.de> Reviewed-by: Kees Cook <keescook@chromium.org> Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
2020-03-25selftests: add pid namespace ENOMEM regression testChristian Brauner
We recently regressed (cf. [1] and its corresponding fix in [2]) returning ENOMEM when trying to create a process in a pid namespace whose init process/child subreaper has already died. This has caused confusion at least once before that (cf. [3]). Let's add a simple regression test to catch this in the future. [1]: 49cb2fc42ce4 ("fork: extend clone3() to support setting a PID") [2]: b26ebfe12f34 ("pid: Fix error return value in some cases") [3]: 35f71bc0a09a ("fork: report pid reservation failure properly") Cc: Corey Minyard <cminyard@mvista.com> Cc: Oleg Nesterov <oleg@redhat.com> Cc: Adrian Reber <areber@redhat.com> Cc: Dmitry Safonov <0x7f454c46@gmail.com> Cc: Andrei Vagin <avagin@gmail.com> Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>
2020-03-25.gitignore: add SPDX License IdentifierMasahiro Yamada
Add SPDX License Identifier to all .gitignore files. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-03-25selftests/powerpc: Turn off timeout setting for benchmarks, dscr, signal, tmPo-Hsu Lin
Some specific tests in powerpc can take longer than the default 45 seconds that added in commit 852c8cbf34d3 ("selftests/kselftest/runner.sh: Add 45 second timeout per test") to run, the following test result was collected across 2 Power8 nodes and 1 Power9 node in our pool: powerpc/benchmarks/futex_bench - 52s powerpc/dscr/dscr_sysfs_test - 116s powerpc/signal/signal_fuzzer - 88s powerpc/tm/tm_unavailable_test - 168s powerpc/tm/tm-poison - 240s Thus they will fail with TIMEOUT error. Disable the timeout setting for these sub-tests to allow them finish properly. https://bugs.launchpad.net/bugs/1864642 Fixes: 852c8cbf34d3 ("selftests/kselftest/runner.sh: Add 45 second timeout per test") Signed-off-by: Po-Hsu Lin <po-hsu.lin@canonical.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/20200318060004.10685-1-po-hsu.lin@canonical.com
2020-03-25selftests/powerpc: Don't rely on segfault to rerun the testGustavo Luiz Duarte
The test case tm-signal-context-force-tm expects a segfault to happen on returning from signal handler, and then does a setcontext() to run the test again. However, the test doesn't always segfault, causing the test to run a single time. This patch fixes the test by putting it within a loop and jumping, via setcontext, just prior to the loop in case it segfaults. This way we get the desired behavior (run the test COUNT_MAX times) regardless if it segfaults or not. This also reduces the use of setcontext for control flow logic, keeping it only in the segfault handler. Also, since 'count' is changed within the signal handler, it is declared as volatile to prevent any compiler optimization getting confused with asynchronous changes. Signed-off-by: Gustavo Luiz Duarte <gustavold@linux.ibm.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/20200211033831.11165-3-gustavold@linux.ibm.com
2020-03-24Merge git://git.kernel.org/pub/scm/linux/kernel/git/pablo/nfDavid S. Miller
Pablo Neira Ayuso says: ==================== Netfilter fixes for net The following patchset contains Netfilter fixes for net: 1) A new selftest for nf_queue, from Florian Westphal. This test covers two recent fixes: 07f8e4d0fddb ("tcp: also NULL skb->dev when copy was needed") and b738a185beaa ("tcp: ensure skb->dev is NULL before leaving TCP stack"). 2) The fwd action breaks with ifb. For safety in next extensions, make sure the fwd action only runs from ingress until it is extended to be used from a different hook. 3) The pipapo set type now reports EEXIST in case of subrange overlaps. Update the rbtree set to validate range overlaps, so far this validation is only done only from userspace. From Stefano Brivio. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-24selftests: netfilter: add nfqueue test caseFlorian Westphal
Add a test case to check nf queue infrastructure. Could be extended in the future to also cover serialization of conntrack, uid and secctx attributes in nfqueue. For now, this checks that 'queue bypass' works, that a queue rule with no bypass option blocks traffic and that userspace receives the expected number of packets. For this we add two queues and hook all of prerouting/input/forward/output/postrouting. Packets get queued twice with a dummy base chain in between: This passes with current nf tree, but reverting commit 946c0d8e6ed4 ("netfilter: nf_queue: fix reinject verdict handling") makes this trip (it processes 30 instead of expected 20 packets). v2: update config file with queue and other options missing/needed for other tests. v3: also test with tcp, this reveals problem with commit 28f8bfd1ac94 ("netfilter: Support iif matches in POSTROUTING"), due to skb->dev pointing at another skb in the retransmit rbtree (skb->dev aliases to rbnode child). Signed-off-by: Florian Westphal <fw@strlen.de> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2020-03-24Merge branch 'for-mingo' of ↵Ingo Molnar
git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu into core/rcu Pull RCU changes from Paul E. McKenney: - Make kfree_rcu() use kfree_bulk() for added performance - RCU updates - Callback-overload handling updates - Tasks-RCU KCSAN and sparse updates - Locking torture test and RCU torture test updates - Documentation updates - Miscellaneous fixes Signed-off-by: Ingo Molnar <mingo@kernel.org>
2020-03-23selftests/net/forwarding: add Makefile to install testsVadym Kochan
Add missing Makefile for net/forwarding tests and include it to the targets list, otherwise forwarding tests are not installed in case of cross-compilation. Signed-off-by: Vadym Kochan <vadym.kochan@plvision.eu> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-23kunit: add --make_optionsGreg Thelen
The kunit.py utility builds an ARCH=um kernel and then runs it. Add optional --make_options flag to kunit.py allowing for the operator to specify extra build options. This allows use of the clang compiler for kunit: tools/testing/kunit/kunit.py run --defconfig \ --make_options CC=clang --make_options HOSTCC=clang Signed-off-by: Greg Thelen <gthelen@google.com> Reviewed-by: Brendan Higgins <brendanhiggins@google.com> Reviewed-by: Nathan Chancellor <natechancellor@gmail.com> Tested-by: David Gow <davidgow@google.com> Signed-off-by: Brendan Higgins <brendanhiggins@google.com> Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
2020-03-23samples, bpf: Move read_trace_pipe to trace_helpersDaniel T. Lee
To reduce the reliance of trace samples (trace*_user) on bpf_load, move read_trace_pipe to trace_helpers. By moving this bpf_loader helper elsewhere, trace functions can be easily migrated to libbbpf. Signed-off-by: Daniel T. Lee <danieltimlee@gmail.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Acked-by: Andrii Nakryiko <andriin@fb.com> Link: https://lore.kernel.org/bpf/20200321100424.1593964-2-danieltimlee@gmail.com
2020-03-23bpf: Add tests for bpf_sk_storage to bpf_tcp_caMartin KaFai Lau
This patch adds test to exercise the bpf_sk_storage_get() and bpf_sk_storage_delete() helper from the bpf_dctcp.c. The setup and check on the sk_storage is done immediately before and after the connect(). This patch also takes this chance to move the pthread_create() after the connect() has been done. That will remove the need of the "wait_thread" label. Signed-off-by: Martin KaFai Lau <kafai@fb.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Acked-by: Yonghong Song <yhs@fb.com> Link: https://lore.kernel.org/bpf/20200320152107.2169904-1-kafai@fb.com
2020-03-23Merge 5.6-rc7 into char-misc-nextGreg Kroah-Hartman
We need the char/misc driver fixes in here as well. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-03-21selftests/net: add definition for SOL_DCCP to fix compilation errors for old ↵Alan Maguire
libc Many systems build/test up-to-date kernels with older libcs, and an older glibc (2.17) lacks the definition of SOL_DCCP in /usr/include/bits/socket.h (it was added in the 4.6 timeframe). Adding the definition to the test program avoids a compilation failure that gets in the way of building tools/testing/selftests/net. The test itself will work once the definition is added; either skipping due to DCCP not being configured in the kernel under test or passing, so there are no other more up-to-date glibc dependencies here it seems beyond that missing definition. Fixes: 11fb60d1089f ("selftests: net: reuseport_addr_any: add DCCP") Signed-off-by: Alan Maguire <alan.maguire@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-21selftests: txtimestamp: print statistics for timestamp events.Jian Yang
Statistics on timestamps is useful to quantify average and tail latency. Print timestamp statistics in count/avg/min/max format. Signed-off-by: Jian Yang <jianyang@google.com> Acked-by: Willem de Bruijn <willemb@google.com> Acked-by: Soheil Hassas Yeganeh <soheil@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-21selftests: txtimestamp: add support for epoll().Jian Yang
Add the following new flags: -e: use level-triggered epoll() instead of poll(). -E: use event-triggered epoll() instead of poll(). Signed-off-by: Jian Yang <jianyang@google.com> Acked-by: Willem de Bruijn <willemb@google.com> Acked-by: Soheil Hassas Yeganeh <soheil@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-21selftests: txtimestamp: add new command-line flags.Jian Yang
A longer sleep duration between sendmsg()s makes more cachelines to be evicted and results in higher latency. Making the duration configurable. Add the following new flags: -S: Configurable sleep duration. -b: Busy loop instead of poll(). Remove the following flag: -D: No delay between packets: subsumed by -S. Signed-off-by: Jian Yang <jianyang@google.com> Acked-by: Willem de Bruijn <willemb@google.com> Acked-by: Soheil Hassas Yeganeh <soheil@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-21selftests: txtimestamp: allow printing latencies in nsec.Jian Yang
Txtimestamp reports latencies in uses resolution, while nsec is needed in cases such as measuring latencies on localhost. Add the following new flag: -N: print timestamps and durations in nsec (instead of usec) Signed-off-by: Jian Yang <jianyang@google.com> Acked-by: Willem de Bruijn <willemb@google.com> Acked-by: Soheil Hassas Yeganeh <soheil@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-21selftests: txtimestamp: allow individual txtimestamp tests.Jian Yang
The wrapper script txtimestamp.sh executes a pre-defined list of testcases sequentially without configuration options available. Add an option (-r/--run) to setup the test namespace and pass remaining arguments to txtimestamp binary. The script still runs all tests when no argument is passed. Signed-off-by: Jian Yang <jianyang@google.com> Acked-by: Willem de Bruijn <willemb@google.com> Acked-by: Soheil Hassas Yeganeh <soheil@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-21Merge branches 'doc.2020.02.27a', 'fixes.2020.03.21a', ↵Paul E. McKenney
'kfree_rcu.2020.02.20a', 'locktorture.2020.02.20a', 'ovld.2020.02.20a', 'rcu-tasks.2020.02.20a', 'srcu.2020.02.20a' and 'torture.2020.02.20a' into HEAD doc.2020.02.27a: Documentation updates. fixes.2020.03.21a: Miscellaneous fixes. kfree_rcu.2020.02.20a: Updates to kfree_rcu(). locktorture.2020.02.20a: Lock torture-test updates. ovld.2020.02.20a: Updates to callback-overload handling. rcu-tasks.2020.02.20a: RCU-tasks updates. srcu.2020.02.20a: SRCU updates. torture.2020.02.20a: Torture-test updates.
2020-03-20kunit: Run all KUnit tests through allyesconfigHeidi Fahim
Implemented the functionality to run all KUnit tests through kunit_tool by specifying an --alltests flag, which builds UML with allyesconfig enabled, and consequently runs every KUnit test. A new function was added to kunit_kernel: make_allyesconfig. Firstly, if --alltests is specified, kunit.py triggers build_um_kernel which call make_allyesconfig. This function calls the make command, disables the broken configs that would otherwise prevent UML from building, then starts the kernel with all possible configurations enabled. All stdout and stderr is sent to test.log and read from there then fed through kunit_parser to parse the tests to the user. Also added a signal_handler in case kunit is interrupted while running. Tested: Run under different conditions such as testing with --raw_output, testing program interrupt then immediately running kunit again without --alltests and making sure to clean the console. Signed-off-by: Heidi Fahim <heidifahim@google.com> Reviewed-by: Brendan Higgins <brendanhiggins@google.com> Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
2020-03-20kunit: kunit_parser: make parser more robustHeidi Fahim
Previously, kunit_parser did not properly handle kunit TAP output that - had any prefixes (generated from different configs e.g. CONFIG_PRINTK_TIME) - had unrelated kernel output mixed in the middle of it, which has shown up when testing with allyesconfig To remove prefixes, the parser looks for the first line that includes TAP output, "TAP version 14". It then determines the length of the string before this sequence, and strips that number of characters off the beginning of the following lines until the last KUnit output line is reached. These fixes have been tested with additional tests in the KUnitParseTest and their associated logs have also been added. Signed-off-by: Heidi Fahim <heidifahim@google.com> Reviewed-by: Brendan Higgins <brendanhiggins@google.com> Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
2020-03-20selftests/bpf: Fix mix of tabs and spacesBill Wendling
Clang's -Wmisleading-indentation warns about misleading indentations if there's a mixture of spaces and tabs. Remove extraneous spaces. Signed-off-by: Bill Wendling <morbo@google.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Link: https://lore.kernel.org/bpf/20200320201510.217169-1-morbo@google.com
2020-03-20selftests: firmware: Add firmware_request_platform testsHans de Goede
Add tests cases for checking the new firmware_request_platform api. Signed-off-by: Hans de Goede <hdegoede@redhat.com> Acked-by: Luis Chamberlain <mcgrof@kernel.org> Link: https://lore.kernel.org/r/20200115163554.101315-7-hdegoede@redhat.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-03-20selftests/x86/ptrace_syscall_32: Fix no-vDSO segfaultAndy Lutomirski
If AT_SYSINFO is not present, don't try to call a NULL pointer. Reported-by: kbuild test robot <lkp@intel.com> Signed-off-by: Andy Lutomirski <luto@kernel.org> Signed-off-by: Borislav Petkov <bp@suse.de> Link: https://lkml.kernel.org/r/faaf688265a7e1a5b944d6f8bc0f6368158306d3.1584052409.git.luto@kernel.org
2020-03-20selftests/x86/vdso: Fix no-vDSO segfaultsAndy Lutomirski
test_vdso would try to call a NULL pointer if the vDSO was missing. vdso_restorer_32 hit a genuine failure: trying to use the kernel-provided signal restorer doesn't work if the vDSO is missing. Skip the test if the vDSO is missing, since the test adds no particular value in that case. Reported-by: kbuild test robot <lkp@intel.com> Signed-off-by: Andy Lutomirski <luto@kernel.org> Signed-off-by: Borislav Petkov <bp@suse.de> Link: https://lkml.kernel.org/r/618ea7b8c55b10d08b1cb139e9a3a957934b8647.1584653439.git.luto@kernel.org
2020-03-19selftests: forwarding: Add an skbedit priority selftestPetr Machata
Add a test that runs traffic through a port such that skbedit priority action acts on it during forwarding. Test that at egress, it is classified correctly according to the new priority at a PRIO qdisc. 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>
2020-03-20selftests/powerpc: Add tm-signal-pagefault testGustavo Luiz Duarte
This test triggers a TM Bad Thing by raising a signal in transactional state and forcing a pagefault to happen in kernelspace when the kernel signal handling code first touches the user signal stack. This is inspired by the test tm-signal-context-force-tm but uses userfaultfd to make the test deterministic. While this test always triggers the bug in one run, I had to execute tm-signal-context-force-tm several times (the test runs 5000 times each execution) to trigger the same bug. tm-signal-context-force-tm is kept instead of replaced because, while this test is more reliable and triggers the same bug, tm-signal-context-force-tm has a better coverage, in the sense that by running the test several times it might trigger the pagefault and/or be preempted at different places. v3: skip test if userfaultfd is unavailable. Signed-off-by: Gustavo Luiz Duarte <gustavold@linux.ibm.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/20200211033831.11165-2-gustavold@linux.ibm.com
2020-03-20selftests/powerpc: Add a test of sigreturn vs VDSOMichael Ellerman
There's two different paths through the sigreturn code, depending on whether the VDSO is mapped or not. We recently discovered a bug in the unmapped case, because it's not commonly used these days. So add a test that sends itself a signal, then moves the VDSO, takes another signal and finally unmaps the VDSO before sending itself another signal. That tests the standard signal path, the code that handles the VDSO being moved, and also the signal path in the case where the VDSO is unmapped. Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/20200304110402.6038-1-mpe@ellerman.id.au
2020-03-19selftest/ftrace: Fix function trigger test to handle trace not disabling the ↵Steven Rostedt (VMware)
tracer The ftrace selftest "ftrace - test for function traceon/off triggers" enables all events and reads the trace file. Now that the trace file does not disable tracing, and will attempt to continually read new data that is added, the selftest gets stuck reading the trace file. This is because the data added to the trace file will fill up quicker than the reading of it. By only enabling scheduling events, the read can keep up with the writes. Instead of enabling all events, only enable the scheduler events. Link: http://lkml.kernel.org/r/20200318111345.0516642e@gandalf.local.home Cc: Shuah Khan <skhan@linuxfoundation.org> Cc: linux-kselftest@vger.kernel.org Acked-by: Masami Hiramatsu <mhiramat@kernel.org> Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
2020-03-19binderfs: add stress test for binderfs binder devicesChristian Brauner
This adds a stress test that should hopefully help us catch regressions for [1], [2], and [3]. [1]: 2669b8b0c798 ("binder: prevent UAF for binderfs devices") [2]: f0fe2c0f050d ("binder: prevent UAF for binderfs devices II") [3]: 211b64e4b5b6 ("binderfs: use refcount for binder control devices too") Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com> Reviewed-by: Kees Cook <keescook@chromium.org> Link: https://lore.kernel.org/r/20200313152420.138777-3-christian.brauner@ubuntu.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-03-19binderfs_test: switch from /dev to a unique per-test mountpointChristian Brauner
Unprivileged users will be able to create directories in there. The unprivileged test for /dev wouldn't have worked on most systems. Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com> Reviewed-by: Kees Cook <keescook@chromium.org> Link: https://lore.kernel.org/r/20200313152420.138777-2-christian.brauner@ubuntu.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-03-19binderfs: port tests to test harness infrastructureChristian Brauner
Makes for nicer output and prepares for additional tests. Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com> Reviewed-by: Kees Cook <keescook@chromium.org> Link: https://lore.kernel.org/r/20200313152420.138777-1-christian.brauner@ubuntu.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-03-18wireguard: noise: error out precomputed DH during handshake rather than configJason A. Donenfeld
We precompute the static-static ECDH during configuration time, in order to save an expensive computation later when receiving network packets. However, not all ECDH computations yield a contributory result. Prior, we were just not letting those peers be added to the interface. However, this creates a strange inconsistency, since it was still possible to add other weird points, like a valid public key plus a low-order point, and, like points that result in zeros, a handshake would not complete. In order to make the behavior more uniform and less surprising, simply allow all peers to be added. Then, we'll error out later when doing the crypto if there's an issue. This also adds more separation between the crypto layer and the configuration layer. Discussed-with: Mathias Hall-Andersen <mathias@hall-andersen.dk> Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-18wireguard: selftests: test using new 64-bit time_tJason A. Donenfeld
In case this helps expose bugs with the newer 64-bit time_t types, we do our testing with the newer musl that supports this as well as CONFIG_COMPAT_32BIT_TIME=n. This matters to us, since wireguard does in fact deal with timestamps. Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-18wireguard: selftests: remove duplicated include <sys/types.h>YueHaibing
This commit removes a duplicated include. Signed-off-by: YueHaibing <yuehaibing@huawei.com> Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-18selftests: mlxsw: Add tc action hw_stats testsJiri Pirko
Add tests for mlxsw hw_stats types. 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>
2020-03-18selftests: spectrum-2: Adjust tc_flower_scale limit according to current ↵Jiri Pirko
counter count With the change that made the code to query counter bank size from device instead of using hard-coded value, the number of available counters changed for Spectrum-2. Adjust the limit in the selftests. 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>
2020-03-18KVM: selftests: Rework timespec functions and usageAndrew Jones
The steal_time test's timespec stop condition was wrong and should have used the timespec functions instead to avoid being wrong, but timespec_diff had a strange interface. Rework all the timespec API and its use. Signed-off-by: Andrew Jones <drjones@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-03-17selftests/bpf: Reset process and thread affinity after each test/sub-testAndrii Nakryiko
Some tests and sub-tests are setting "custom" thread/process affinity and don't reset it back. Instead of requiring each test to undo all this, ensure that thread affinity is restored by test_progs test runner itself. Signed-off-by: Andrii Nakryiko <andriin@fb.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Link: https://lore.kernel.org/bpf/20200314013932.4035712-3-andriin@fb.com
2020-03-17selftests/bpf: Fix test_progs's parsing of test numbersAndrii Nakryiko
When specifying disjoint set of tests, test_progs doesn't set skipped test's array elements to false. This leads to spurious execution of tests that should have been skipped. Fix it by explicitly initializing them to false. Fixes: 3a516a0a3a7b ("selftests/bpf: add sub-tests support for test_progs") Signed-off-by: Andrii Nakryiko <andriin@fb.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Acked-by: Martin KaFai Lau <kafai@fb.com> Link: https://lore.kernel.org/bpf/20200314013932.4035712-2-andriin@fb.com
2020-03-17selftests/bpf: Fix race in tcp_rtt testAndrii Nakryiko
Previous attempt to make tcp_rtt more robust introduced a new race, in which server_done might be set to true before server can actually accept any connection. Fix this by unconditionally waiting for accept(). Given socket is non-blocking, if there are any problems with client side, it should eventually close listening FD and let server thread exit with failure. Fixes: 4cd729fa022c ("selftests/bpf: Make tcp_rtt test more robust to failures") Signed-off-by: Andrii Nakryiko <andriin@fb.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Acked-by: Martin KaFai Lau <kafai@fb.com> Link: https://lore.kernel.org/bpf/20200314013932.4035712-1-andriin@fb.com
2020-03-17selftests/bpf: Fix nanosleep for real this timeAndrii Nakryiko
Amazingly, some libc implementations don't call __NR_nanosleep syscall from their nanosleep() APIs. Hammer it down with explicit syscall() call and never get back to it again. Also simplify code for timespec initialization. I verified that nanosleep is called w/ printk and in exactly same Linux image that is used in Travis CI. So it should both sleep and call correct syscall. v1->v2: - math is too hard, fix usec -> nsec convertion (Martin); - test_vmlinux has explicit nanosleep() call, convert that one as well. Fixes: 4e1fd25d19e8 ("selftests/bpf: Fix usleep() implementation") Signed-off-by: Andrii Nakryiko <andriin@fb.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Acked-by: Martin KaFai Lau <kafai@fb.com> Link: https://lore.kernel.org/bpf/20200314002743.3782677-1-andriin@fb.com
2020-03-17selftest/bpf: Fix compilation warning in sockmap_parse_prog.cAndrii Nakryiko
Remove unused len variable, which causes compilation warnings. Signed-off-by: Andrii Nakryiko <andriin@fb.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Acked-by: Martin KaFai Lau <kafai@fb.com> Link: https://lore.kernel.org/bpf/20200314001834.3727680-1-andriin@fb.com
2020-03-17selftests/powerpc: Add tlbie_test in .gitignoreChristophe Leroy
The commit identified below added tlbie_test but forgot to add it in .gitignore. Fixes: 93cad5f78995 ("selftests/powerpc: Add test case for tlbie vs mtpidr ordering issue") Cc: stable@vger.kernel.org # v5.4+ Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/259f9c06ed4563c4fa4fa8ffa652347278d769e7.1582847784.git.christophe.leroy@c-s.fr
2020-03-16Merge tag 'kvm-s390-next-5.7-1' of ↵Paolo Bonzini
git://git.kernel.org/pub/scm/linux/kernel/git/kvms390/linux into HEAD KVM: s390: Features and Enhancements for 5.7 part1 1. Allow to disable gisa 2. protected virtual machines Protected VMs (PVM) are KVM VMs, where KVM can't access the VM's state like guest memory and guest registers anymore. Instead the PVMs are mostly managed by a new entity called Ultravisor (UV), which provides an API, so KVM and the PV can request management actions. PVMs are encrypted at rest and protected from hypervisor access while running. They switch from a normal operation into protected mode, so we can still use the standard boot process to load a encrypted blob and then move it into protected mode. Rebooting is only possible by passing through the unprotected/normal mode and switching to protected again. One mm related patch will go via Andrews mm tree ( mm/gup/writeback: add callbacks for inaccessible pages)
2020-03-16KVM: selftests: enlightened VMPTRLD with an incorrect GPAVitaly Kuznetsov
Check that guest doesn't hang when an invalid eVMCS GPA is specified. Testing that #UD is injected would probably be better but selftests lack the infrastructure currently. Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
generated by cgit (git 2.34.1) at 2025-10-01 22:23:05 +0000