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2018-03-17selftests: pmtu: Reverse return codes of functionsStefano Brivio
David suggests it's more intuitive to return non-zero on failures, and zero on success. No need to introduce tail 'return 0' in functions, they will return the exit code of the last command anyway. Suggested-by: David Ahern <dsahern@gmail.com> Signed-off-by: Stefano Brivio <sbrivio@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-03-16selftests/txtimestamp: Add more configurable parametersVinicius Costa Gomes
Add a way to configure if poll() should wait forever for an event, the number of packets that should be sent for each and if there should be any delay between packets. Signed-off-by: Vinicius Costa Gomes <vinicius.gomes@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-03-16selftests: fib_tests: Add IPv6 nexthop spec testsDavid Ahern
Add series of tests for valid and invalid nexthop specs for IPv6. $ TEST=fib_nexthop_test ./fib_tests.sh ... IPv6 nexthop tests TEST: Directly connected nexthop, unicast address [ OK ] TEST: Directly connected nexthop, unicast address with device [ OK ] TEST: Gateway is linklocal address [ OK ] TEST: Gateway is linklocal address, no device [ OK ] TEST: Gateway can not be local unicast address [ OK ] TEST: Gateway can not be local unicast address, with device [ OK ] TEST: Gateway can not be a local linklocal address [ OK ] TEST: Gateway can be local address in a VRF [ OK ] TEST: Gateway can be local address in a VRF, with device [ OK ] TEST: Gateway can be local linklocal address in a VRF [ OK ] TEST: Redirect to VRF lookup [ OK ] TEST: VRF route, gateway can be local address in default VRF [ OK ] TEST: VRF route, gateway can not be a local address [ OK ] TEST: VRF route, gateway can not be a local addr with device [ OK ] Signed-off-by: David Ahern <dsahern@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-03-16selftests: fib_tests: Allow user to run a specific testDavid Ahern
Allow a user to run just a specific fib test by setting the TEST environment variable. Signed-off-by: David Ahern <dsahern@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-03-16selftests: fib_tests: Use an alias for ip commandDavid Ahern
Replace 'ip -netns testns' with the alias IP. Shortens the line lengths and makes running the commands manually a bit easier. Signed-off-by: David Ahern <dsahern@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-03-16arch: remove tile portArnd Bergmann
The Tile architecture port was added by Chris Metcalf in 2010, and maintained until early 2018 when he orphaned it due to his departure from Mellanox, and nobody else stepped up to maintain it. The product line is still around in the form of the BlueField SoC, but no longer uses the Tile architecture. There are also still products for sale with Tile-GX SoCs, notably the Mikrotik CCR router family. The products all use old (linux-3.3) kernels with lots of patches and won't be upgraded by their manufacturers. There have been efforts to port both OpenWRT and Debian to these, but both projects have stalled and are very unlikely to be continued in the future. Given that we are reasonably sure that nobody is still using the port with an upstream kernel any more, it seems better to remove it now while the port is in a good shape than to let it bitrot for a few years first. Cc: Chris Metcalf <chris.d.metcalf@gmail.com> Cc: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de> Link: http://www.mellanox.com/page/npu_multicore_overview Link: https://jenkins.debian.net/view/rebootstrap/job/rebootstrap_tilegx_gcc7/ Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2018-03-15bpf: add selftest for stackmap with BPF_F_STACK_BUILD_IDSong Liu
test_stacktrace_build_id() is added. It accesses tracepoint urandom_read with "dd" and "urandom_read" and gathers stack traces. Then it reads the stack traces from the stackmap. urandom_read is a statically link binary that reads from /dev/urandom. test_stacktrace_build_id() calls readelf to read build ID of urandom_read and compares it with build ID from the stackmap. Signed-off-by: Song Liu <songliubraving@fb.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
2018-03-14test_firmware: replace syfs fallback check with kconfig_has helperLuis R. Rodriguez
Now that we have a kconfig checker just use that instead of relying on testing a sysfs directory being present, since our requirements are spelled out. Acked-by: Kees Cook <keescook@chromium.org> Signed-off-by: Luis R. Rodriguez <mcgrof@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-03-14test_firmware: enable custom fallback testing on limited kernel configsLuis R. Rodriguez
When a kernel is not built with: CONFIG_HAS_FW_LOADER_USER_HELPER_FALLBACK=y We don't currently enable testing fw_fallback.sh. For kernels that still enable the fallback mechanism, its possible to use the async request firmware API call request_firmware_nowait() using the custom interface to use the fallback mechanism, so we should be able to test this but we currently cannot. We can enable testing without CONFIG_HAS_FW_LOADER_USER_HELPER_FALLBACK=y by relying on /proc/config.gz (CONFIG_IKCONFIG_PROC), if present. If you don't have this we'll have no option but to rely on old heuristics for now. We stuff the new kconfig_has() helper into our shared library as we'll later expando on its use elsewhere. Acked-by: Kees Cook <keescook@chromium.org> Signed-off-by: Luis R. Rodriguez <mcgrof@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-03-14test_firmware: add simple firmware firmware test libraryLuis R. Rodriguez
We'll expland on this later, for now just add basic module checker. While at it, move this all to use /bin/bash as we'll have much more flexibility with it. Signed-off-by: Luis R. Rodriguez <mcgrof@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-03-14selftests: add devpts selftestsChristian Brauner
This adds tests to check: - bind-mounts from /dev/pts/ptmx to /dev/ptmx work - non-standard mounts of devpts work - bind-mounts of /dev/pts/ptmx to locations that do not resolve to a valid slave pty path under the originating devpts mount fail Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com> Acked-by: "Eric W. Biederman" <ebiederm@xmission.com> Acked-by: Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-03-14selftests/x86/entry_from_vm86: Add test cases for POPFAndy Lutomirski
POPF is currently broken -- add tests to catch the error. This results in: [RUN] POPF with VIP set and IF clear from vm86 mode [INFO] Exited vm86 mode due to STI [FAIL] Incorrect return reason (started at eip = 0xd, ended at eip = 0xf) because POPF currently fails to check IF before reporting a pending interrupt. This patch also makes the FAIL message a bit more informative. Reported-by: Bart Oldeman <bartoldeman@gmail.com> Signed-off-by: Andy Lutomirski <luto@kernel.org> Cc: Borislav Petkov <bp@alien8.de> Cc: Brian Gerst <brgerst@gmail.com> Cc: Denys Vlasenko <dvlasenk@redhat.com> Cc: H. Peter Anvin <hpa@zytor.com> Cc: Josh Poimboeuf <jpoimboe@redhat.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Stas Sergeev <stsp@list.ru> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: stable@vger.kernel.org Link: http://lkml.kernel.org/r/a16270b5cfe7832d6d00c479d0f871066cbdb52b.1521003603.git.luto@kernel.org Signed-off-by: Ingo Molnar <mingo@kernel.org>
2018-03-14selftests/x86/entry_from_vm86: Exit with 1 if we failAndy Lutomirski
Fix a logic error that caused the test to exit with 0 even if test cases failed. Signed-off-by: Andy Lutomirski <luto@kernel.org> Cc: Borislav Petkov <bp@alien8.de> Cc: Brian Gerst <brgerst@gmail.com> Cc: Denys Vlasenko <dvlasenk@redhat.com> Cc: H. Peter Anvin <hpa@zytor.com> Cc: Josh Poimboeuf <jpoimboe@redhat.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Stas Sergeev <stsp@list.ru> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: bartoldeman@gmail.com Cc: stable@vger.kernel.org Link: http://lkml.kernel.org/r/b1cc37144038958a469c8f70a5f47a6a5638636a.1521003603.git.luto@kernel.org Signed-off-by: Ingo Molnar <mingo@kernel.org>
2018-03-13selftests/powerpc: Skip tm-unavailable if TM is not enabledGustavo Romero
Some processor revisions do not support transactional memory, and additionally kernel support can be disabled. In either case the tm-unavailable test should be skipped, otherwise it will fail with a SIGILL. That commit also sets this selftest to be called through the test harness as it's done for other TM selftests. Finally, it avoids using "ping" as a thread name since it's ambiguous and can be confusing when shown, for instance, in a kernel backtrace log. Fixes: 77fad8bfb1d2 ("selftests/powerpc: Check FP/VEC on exception in TM") Signed-off-by: Gustavo Romero <gromero@linux.vnet.ibm.com> Reviewed-by: Cyril Bur <cyrilbur@gmail.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
2018-03-13selftest/powerpc: Add test for sigreturn in transactionLaurent Dufour
Ensure that kernel is throwing away the suspended transaction when sigreturn() is called otherwise it if fails to restore the signal frame's TM SPRS. Signed-off-by: Laurent Dufour <ldufour@linux.vnet.ibm.com> Reviewed-by: Cyril Bur <cyrilbur@gmail.com> [mpe: Add have_htm() check, minor formatting, add SPDX tag] Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
2018-03-12tc-testing: updated gact tests with batch test casesRoman Mashak
Signed-off-by: Roman Mashak <mrv@mojatatu.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-03-12tc-testing: add TC vlan action testsRoman Mashak
Signed-off-by: Roman Mashak <mrv@mojatatu.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-03-11selftests: forwarding: Allow creation of interfaces without a config fileIdo Schimmel
Some users want to be able to run the tests without a configuration file which is useful when one needs to test both virtual and physical interfaces on the same machine. Move the defines that set the type of interface to create and whether to create it away from the optional configuration file to the library like the rest of the defines. Signed-off-by: Ido Schimmel <idosch@mellanox.com> Reviewed-by: Jiri Pirko <jiri@mellanox.com> Reviewed-by: David Ahern <dsahern@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-03-11selftests: forwarding: Exit with error when missing interfacesIdo Schimmel
Returning 0 gives a false sense of success when the required modules did not even manage to be initialized and register the required net devices. Signed-off-by: Ido Schimmel <idosch@mellanox.com> Reviewed-by: Jiri Pirko <jiri@mellanox.com> Reviewed-by: David Ahern <dsahern@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-03-11selftests: forwarding: Exit with error when missing dependenciesIdo Schimmel
We already return an error when some dependencies (e.g., 'jq') are missing so lets be consistent and do that for all. Signed-off-by: Ido Schimmel <idosch@mellanox.com> Reviewed-by: Jiri Pirko <jiri@mellanox.com> Reviewed-by: David Ahern <dsahern@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-03-11selftests: forwarding: Add a test for VLAN-unaware bridgeIdo Schimmel
Similar to the VLAN-aware bridge test, test the VLAN-unaware bridge and make sure that ping, FDB learning and flooding work as expected. Signed-off-by: Ido Schimmel <idosch@mellanox.com> Reviewed-by: Jiri Pirko <jiri@mellanox.com> Reviewed-by: David Ahern <dsahern@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-03-11Merge branch 'x86-pti-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull x86/pti updates from Thomas Gleixner: "Yet another pile of melted spectrum related updates: - Drop native vsyscall support finally as it causes more trouble than benefit. - Make microcode loading more robust. There were a few issues especially related to late loading which are now surfacing because late loading of the IB* microcodes addressing spectre issues has become more widely used. - Simplify and robustify the syscall handling in the entry code - Prevent kprobes on the entry trampoline code which lead to kernel crashes when the probe hits before CR3 is updated - Don't check microcode versions when running on hypervisors as they are considered as lying anyway. - Fix the 32bit objtool build and a coment typo" * 'x86-pti-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/kprobes: Fix kernel crash when probing .entry_trampoline code x86/pti: Fix a comment typo x86/microcode: Synchronize late microcode loading x86/microcode: Request microcode on the BSP x86/microcode/intel: Look into the patch cache first x86/microcode: Do not upload microcode if CPUs are offline x86/microcode/intel: Writeback and invalidate caches before updating microcode x86/microcode/intel: Check microcode revision before updating sibling threads x86/microcode: Get rid of struct apply_microcode_ctx x86/spectre_v2: Don't check microcode versions when running under hypervisors x86/vsyscall/64: Drop "native" vsyscalls x86/entry/64/compat: Save one instruction in entry_INT80_compat() x86/entry: Do not special-case clone(2) in compat entry x86/syscalls: Use COMPAT_SYSCALL_DEFINEx() macros for x86-only compat syscalls x86/syscalls: Use proper syscall definition for sys_ioperm() x86/entry: Remove stale syscall prototype x86/syscalls/32: Simplify $entry == $compat entries objtool: Fix 32-bit build
2018-03-11Merge branch 'for-mingo' of ↵Ingo Molnar
git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu into core/rcu Pull RCU updates from Paul E. McKenney: - Miscellaneous fixes, perhaps most notably removing obsolete code whose only purpose in life was to gather information for the now-removed RCU debugfs facility. Other notable changes include removing NO_HZ_FULL_ALL in favor of the nohz_full kernel boot parameter, minor optimizations for expedited grace periods, some added tracing, creating an RCU-specific workqueue using Tejun's new WQ_MEM_RECLAIM flag, and several cleanups to code and comments. - SRCU cleanups and optimizations. - Torture-test updates, perhaps most notably the adding of ARMv8 support, but also including numerous cleanups and usability fixes. Signed-off-by: Ingo Molnar <mingo@kernel.org>
2018-03-10selftests: ftrace: Add inter-event hist triggers testcasesRajvi Jingar
This adds inter-event hist triggers testcases which covers following: - create/remove synthetic event - disable histogram for synthetic event - extended error support - field variable support - histogram variables - histogram trigger onmatch action - histogram trigger onmax action - histogram trigger onmatch-onmax action - simple expression support - combined histogram Here is the test result. === Ftrace unit tests === [1] event trigger - test extended error support [PASS] [2] event trigger - test field variable support [PASS] [3] event trigger - test inter-event combined histogram trigger [PASS] [4] event trigger - test inter-event histogram trigger onmatch action [PASS] [5] event trigger - test inter-event histogram trigger onmatch-onmax action [PASS] [6] event trigger - test inter-event histogram trigger onmax action [PASS] [7] event trigger - test synthetic event create remove [PASS] Link: http://lkml.kernel.org/r/e07ef1e72f7bf0f84dc87c9b736d6dc91b4b0b49.1516069914.git.tom.zanussi@linux.intel.com Signed-off-by: Rajvi Jingar <rajvi.jingar@intel.com> Signed-off-by: Tom Zanussi <tom.zanussi@linux.intel.com> Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
2018-03-09selftests/vm/run_vmtests: adjust hugetlb size according to nr_cpusLi Zhijian
Fix userfaultfd_hugetlb on hosts which have more than 64 cpus. --------------------------- running userfaultfd_hugetlb --------------------------- invalid MiB Usage: <MiB> <bounces> [FAIL] Via userfaultfd.c we can know, hugetlb_size needs to meet hugetlb_size >= nr_cpus * hugepage_size. hugepage_size is often 2M, so when host cpus > 64, it requires more than 128M. [zhijianx.li@intel.com: update changelog/comments and variable name] Link: http://lkml.kernel.org/r/20180302024356.83359-1-zhijianx.li@intel.com Link: http://lkml.kernel.org/r/20180303125027.81638-1-zhijianx.li@intel.com Link: http://lkml.kernel.org/r/20180302024356.83359-1-zhijianx.li@intel.com Signed-off-by: Li Zhijian <zhijianx.li@intel.com> Cc: Shuah Khan <shuah@kernel.org> Cc: SeongJae Park <sj38.park@gmail.com> Cc: Philippe Ombredanne <pombredanne@nexb.com> Cc: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Cc: Mike Kravetz <mike.kravetz@oracle.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2018-03-09Merge tag 'powerpc-4.16-5' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux Pull powerpc fixes from Michael Ellerman: "One notable fix to properly advertise our support for a new firmware feature, caused by two series conflicting semantically but not textually. There's a new ioctl for the new ocxl driver, which is not a fix, but needed to complete the userspace API and good to have before the driver is in a released kernel. Finally three minor selftest fixes, and a fix for intermittent build failures for some obscure platforms, caused by a missing make dependency. Thanks to: Alastair D'Silva, Bharata B Rao, Guenter Roeck" * tag 'powerpc-4.16-5' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: powerpc/pseries: Fix vector5 in ibm architecture vector table ocxl: Document the OCXL_IOCTL_GET_METADATA IOCTL ocxl: Add get_metadata IOCTL to share OCXL information to userspace selftests/powerpc: Skip the subpage_prot tests if the syscall is unavailable selftests/powerpc: Fix missing clean of pmu/lib.o powerpc/boot: Fix random libfdt related build errors selftests/powerpc: Skip tm-trap if transactional memory is not enabled
2018-03-09tools: tc-testing: Can pause just before post-suiteBrenda J. Butler
With option -P, the test script will pause just before the post_suite functions are called. This allows the tester to inspect the system before it is torn down. Signed-off-by: Brenda J. Butler <bjb@mojatatu.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-03-09tools: tc-testing: Can refer to $TESTID in test specBrenda J. Butler
When processing the commands in the test cases, substitute the test id for $TESTID. This helps to make more flexible tests. For example, the testid can be given as a command line argument. As an example, if we wish to save the test output to a file named for the test case, we can write in the test case: "cmdUnderTest": "some test command | tee -a $TESTID.out" Signed-off-by: Brenda J. Butler <bjb@mojatatu.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-03-09tc-testing: add csum testsRoman Mashak
Signed-off-by: Roman Mashak <mrv@mojatatu.com> Tested-by: Davide Caratti <dcaratti@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-03-08selftests/net: enable fragments for fib-onlink-testsAnders Roxell
We miss CONFIG_* fragments so test fib-onlink-tests.sh can do: ip li add lisa type vrf table 1101 ip li add veth1 type veth peer name veth2 And the follow message occurs if it isn't enabled: Configuring interfaces RTNETLINK answers: Operation not supported This enables for NET_NRF (and friends) and VETH so we can create a vrf table and veth. Fixes: 153e1b84f477 ("selftests: Add FIB onlink tests") Signed-off-by: Anders Roxell <anders.roxell@linaro.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-03-08x86/vsyscall/64: Drop "native" vsyscallsAndy Lutomirski
Since Linux v3.2, vsyscalls have been deprecated and slow. From v3.2 on, Linux had three vsyscall modes: "native", "emulate", and "none". "emulate" is the default. All known user programs work correctly in emulate mode, but vsyscalls turn into page faults and are emulated. This is very slow. In "native" mode, the vsyscall page is easily usable as an exploit gadget, but vsyscalls are a bit faster -- they turn into normal syscalls. (This is in contrast to vDSO functions, which can be much faster than syscalls.) In "none" mode, there are no vsyscalls. For all practical purposes, "native" was really just a chicken bit in case something went wrong with the emulation. It's been over six years, and nothing has gone wrong. Delete it. Signed-off-by: Andy Lutomirski <luto@kernel.org> Acked-by: Kees Cook <keescook@chromium.org> Acked-by: Linus Torvalds <torvalds@linux-foundation.org> Cc: Borislav Petkov <bp@alien8.de> Cc: Dominik Brodowski <linux@dominikbrodowski.net> Cc: Kernel Hardening <kernel-hardening@lists.openwall.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Link: http://lkml.kernel.org/r/519fee5268faea09ae550776ce969fa6e88668b0.1520449896.git.luto@kernel.org Signed-off-by: Ingo Molnar <mingo@kernel.org>
2018-03-07selftests: forwarding: fix flags passed to first drop rule in ↵Jiri Pirko
gact_drop_and_ok_test Fix copy&paste error and pass proper flags. Signed-off-by: Jiri Pirko <jiri@mellanox.com> Reviewed-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-03-07selftests: forwarding: fix "ok" action testJiri Pirko
Fix the "ok" action test so it checks that packet that is okayed does not continue to be processed by other rules. Fix error message as well. Signed-off-by: Jiri Pirko <jiri@mellanox.com> Reviewed-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-03-07selftests: net: Introduce first PMTU testStefano Brivio
One single test implemented so far: test_pmtu_vti6_exception checks that the PMTU of a route exception, caused by a tunnel exceeding the link layer MTU, is affected by administrative changes of the tunnel MTU. Creation of the route exception is checked too. Requested-by: David Ahern <dsahern@gmail.com> Signed-off-by: Stefano Brivio <sbrivio@redhat.com> Acked-by: David Ahern <dsahern@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-03-07selftests/net: fix in_netns.sh scriptPrashant Bhole
execute the subprocess in netns using 'ip netns exec' Fixes: cc30c93fa020 ("selftests/net: ignore background traffic in psock_fanout") Signed-off-by: Prashant Bhole <bhole_prashant_q7@lab.ntt.co.jp> Acked-by: Willem de Bruijn <willemb@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-03-07selftests: futex Makefile add top level TAP header echo to RUN_TESTSShuah Khan
Add top level TAP header echo, testname and separator line to make the output consistent with the common run_tests target. This change prevents nested TAP13 headers output from individual tests. Nested TAP13 headers could cause problems for some parsers. Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com> Reviewed-by: Darren Hart (VMware) <dvhart@infradead.org> Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
2018-03-06nfit_test: prevent parsing error of nfit_test.0Ross Zwisler
When you load nfit_test you currently see the following error in dmesg: nfit_test nfit_test.0: found a zero length table '0' parsing nfit This happens because when we parse the nfit_test.0 table via acpi_nfit_init(), we specify a size of nfit_test->nfit_size. For the first pass through nfit_test.0 where (t->setup_hotplug == 0) this is the size of the entire buffer we allocated, including space for the hot plug structures, not the size that we've actually filled in. Fix this by only trying to parse the size of the structures that we've filled in. Signed-off-by: Ross Zwisler <ross.zwisler@linux.intel.com> Signed-off-by: Dan Williams <dan.j.williams@intel.com>
2018-03-06nfit_test: fix buffer overrun, add sanity checkRoss Zwisler
It turns out that we were overrunning the 'nfit_buf' buffer in nfit_test0_setup() in the (t->setup_hotplug == 1) case because we failed to correctly account for all of the acpi_nfit_memory_map structures. Fix the structure count which will increase the allocation size of 'nfit_buf' in nfit_test0_alloc(). Also add some WARN_ON()s to nfit_test0_setup() and nfit_test1_setup() to catch future issues where the size of the buffer doesn't match the amount of data we're writing. Signed-off-by: Ross Zwisler <ross.zwisler@linux.intel.com> Signed-off-by: Dan Williams <dan.j.williams@intel.com>
2018-03-06nfit_test: improve structure offset handlingRoss Zwisler
In nfit_test0_setup() and nfit_test1_setup() we keep an 'offset' value which we use to calculate where in our 'nfit_buf' we will place our next structure. The handling of 'offset' and the calculation of the placement of the next structure is a bit inconsistent, though. We don't update 'offset' after we insert each structure, sometimes causing us to update it for multiple structures' sizes at once. When calculating the position of the next structure we aren't always able to just use 'offset', but sometimes have to add in other structure sizes as well. Fix this by updating 'offset' after each structure insertion in a consistent way, allowing us to always calculate the position of the next structure to be inserted by just using 'nfit_buf + offset'. Signed-off-by: Ross Zwisler <ross.zwisler@linux.intel.com> Signed-off-by: Dan Williams <dan.j.williams@intel.com>
2018-03-06Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/netDavid S. Miller
All of the conflicts were cases of overlapping changes. In net/core/devlink.c, we have to make care that the resouce size_params have become a struct member rather than a pointer to such an object. Signed-off-by: David S. Miller <davem@davemloft.net>
2018-03-05selftests: Makefile set KSFT_TAP_LEVEL to prevent nested TAP headersShuah Khan
Export KSFT_TAP_LEVEL and add TAP Header echo to the run_kselftest.sh script from emit_tests target handling. Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
2018-03-05selftests: lib.mk set KSFT_TAP_LEVEL to prevent nested TAP headersShuah Khan
Set KSFT_TAP_LEVEL before running tests to prevent nested TAP header printing from tests. Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
2018-03-05selftests: kselftest framework: add handling for TAP header levelShuah Khan
Introduce environment variable KSFT_TAP_LEVEL to avoid printing nested TAP headers for each test. lib.mk run_tests target prints TAP header before invoking the test program or test script. Tests need a way to suppress TAP headers if it is already printed out. This new environment variable adds a way for ksft_print_header() print TAP header only when KSFT_TAP_LEVEL isn't set. lib.mk run_tests and test program should print TAP header and set KSFT_TAP_LEVEL to avoid a second TAP header to be printed. selftests Makefile should export KSFT_TAP_LEVEL and add TAP Header echo to the run_kselftest.sh script from emit_tests target handling. Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
2018-03-05selftests: ion: Add simple test with the vgem driverLaura Abbott
Ion is designed to be a framework used by other clients who perform operations on the buffer. Use the DRM vgem client as a simple consumer. In conjunction with the dma-buf sync ioctls, this tests the full attach/map path for the system heap. Signed-off-by: Laura Abbott <labbott@redhat.com> Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch> Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
2018-03-05selftests: ion: Remove some printsLaura Abbott
There's no need to print messages each time we alloc and free. Remove them. Signed-off-by: Laura Abbott <labbott@redhat.com> Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
2018-03-05Merge tag 'linux-kselftest-4.16-rc5' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest Pull kselftest fixes from Shuah Khan: "A fix for regression in memory-hotplug install script that prevents the test from running on the target" * tag 'linux-kselftest-4.16-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest: selftests: memory-hotplug: fix emit_tests regression
2018-03-05Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/netLinus Torvalds
Pull networking fixes from David Miller: 1) Use an appropriate TSQ pacing shift in mac80211, from Toke Høiland-Jørgensen. 2) Just like ipv4's ip_route_me_harder(), we have to use skb_to_full_sk in ip6_route_me_harder, from Eric Dumazet. 3) Fix several shutdown races and similar other problems in l2tp, from James Chapman. 4) Handle missing XDP flush properly in tuntap, for real this time. From Jason Wang. 5) Out-of-bounds access in powerpc ebpf tailcalls, from Daniel Borkmann. 6) Fix phy_resume() locking, from Andrew Lunn. 7) IFLA_MTU values are ignored on newlink for some tunnel types, fix from Xin Long. 8) Revert F-RTO middle box workarounds, they only handle one dimension of the problem. From Yuchung Cheng. 9) Fix socket refcounting in RDS, from Ka-Cheong Poon. 10) Don't allow ppp unit registration to an unregistered channel, from Guillaume Nault. 11) Various hv_netvsc fixes from Stephen Hemminger. * git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (98 commits) hv_netvsc: propagate rx filters to VF hv_netvsc: filter multicast/broadcast hv_netvsc: defer queue selection to VF hv_netvsc: use napi_schedule_irqoff hv_netvsc: fix race in napi poll when rescheduling hv_netvsc: cancel subchannel setup before halting device hv_netvsc: fix error unwind handling if vmbus_open fails hv_netvsc: only wake transmit queue if link is up hv_netvsc: avoid retry on send during shutdown virtio-net: re enable XDP_REDIRECT for mergeable buffer ppp: prevent unregistered channels from connecting to PPP units tc-testing: skbmod: fix match value of ethertype mlxsw: spectrum_switchdev: Check success of FDB add operation net: make skb_gso_*_seglen functions private net: xfrm: use skb_gso_validate_network_len() to check gso sizes net: sched: tbf: handle GSO_BY_FRAGS case in enqueue net: rename skb_gso_validate_mtu -> skb_gso_validate_network_len rds: Incorrect reference counting in TCP socket creation net: ethtool: don't ignore return from driver get_fecparam method vrf: check forwarding on the original netdevice when generating ICMP dest unreachable ...
2018-03-05selftests: forwarding: Add suppport to create veth interfacesDavid Ahern
For tests using veth interfaces, the test infrastructure can create the netdevs if they do not exist. Arguably this is a preferred approach since the tests require p$N and p$(N+1) to be pairs. Signed-off-by: David Ahern <dsahern@gmail.com> Reviewed-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-03-05selftests: Extend the tc action test for action mirrorArkadi Sharshevsky
Currently the tc action test is used only to test mirred redirect action. This patch extends it for mirred mirror. Signed-off-by: Jiri Pirko <jiri@mellanox.com> Reviewed-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: Arkadi Sharshevsky <arkadis@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-03-04tc-testing: skbmod: fix match value of ethertypeDavide Caratti
iproute2 print_skbmod() prints the configured ethertype using format 0x%X: therefore, test 9aa8 systematically fails, because it configures action #4 using ethertype 0x0031, and expects 0x0031 when it reads it back. Changing the expected value to 0x31 lets the test result 'not ok' become 'ok'. tested with: # ./tdc.py -e 9aa8 Test 9aa8: Get a single skbmod action from a list All test results: 1..1 ok 1 9aa8 Get a single skbmod action from a list Fixes: cf797ac49b94 ("tc-testing: Add test cases for police and skbmod") Signed-off-by: Davide Caratti <dcaratti@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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