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2019-11-15selftests: net: tcp_mmap should create detached threadsEric Dumazet
Since we do not plan using pthread_join() in the server do_accept() loop, we better create detached threads, or risk increasing memory footprint over time. Fixes: 192dc405f308 ("selftests: net: add tcp_mmap program") Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-11-15selftests: mlxsw: Adjust test to recent changesIdo Schimmel
mlxsw does not support VXLAN devices with a physical device attached and vetoes such configurations upon enslavement to an offloaded bridge. Commit 0ce1822c2a08 ("vxlan: add adjacent link to limit depth level") changed the VXLAN device to be an upper of the physical device which causes mlxsw to veto the creation of the VXLAN device with "Unknown upper device type". This is OK as this configuration is not supported, but it prevents us from testing bad flows involving the enslavement of VXLAN devices with a physical device to a bridge, regardless if the physical device is an mlxsw netdev or not. Adjust the test to use a dummy device as a physical device instead of a mlxsw netdev. Fixes: 0ce1822c2a08 ("vxlan: add adjacent link to limit depth level") Signed-off-by: Ido Schimmel <idosch@mellanox.com> Acked-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-11-15ftrace/selftests: Fix spelling mistake "wakeing" -> "waking"Colin Ian King
There is a spelling mistake in a trace_printk message. As well as in the selftests that search for this string. Link: http://lkml.kernel.org/r/20191115085938.38947-1-colin.king@canonical.com Link: http://lkml.kernel.org/r/20191115090356.39572-1-colin.king@canonical.com Signed-off-by: Colin Ian King <colin.king@canonical.com> Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
2019-11-15selftests: kvm: Simplify loop in kvm_create_max_vcpus testWainer dos Santos Moschetta
On kvm_create_max_vcpus test remove unneeded local variable in the loop that add vcpus to the VM. Signed-off-by: Wainer dos Santos Moschetta <wainersm@redhat.com> Reviewed-by: Krish Sadhukhan <krish.sadhukhan@oracle.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2019-11-14tracing/selftests: Turn off timeout settingSteven Rostedt (VMware)
As the ftrace selftests can run for a long period of time, disable the timeout that the general selftests have. If a selftest hangs, then it probably means the machine will hang too. Link: https://lore.kernel.org/r/alpine.LSU.2.21.1911131604170.18679@pobox.suse.cz Suggested-by: Miroslav Benes <mbenes@suse.cz> Tested-by: Miroslav Benes <mbenes@suse.cz> Reviewed-by: Miroslav Benes <mbenes@suse.cz> Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
2019-11-14selftests/powerpc: Handle Makefile for unrecognized optionHarish
On older distributions like Sles12SP5 gcc does not recognize -no-pie option making the powerpc selftests build to fail Fixes the following: gcc: error: unrecognized command line option ‘-no-pie’ Signed-off-by: Harish <harish@linux.ibm.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/20191113094219.14946-1-harish@linux.ibm.com
2019-11-13selftests: kvm: fix build with glibc >= 2.30Vitaly Kuznetsov
Glibc-2.30 gained gettid() wrapper, selftests fail to compile: lib/assert.c:58:14: error: static declaration of ‘gettid’ follows non-static declaration 58 | static pid_t gettid(void) | ^~~~~~ In file included from /usr/include/unistd.h:1170, from include/test_util.h:18, from lib/assert.c:10: /usr/include/bits/unistd_ext.h:34:16: note: previous declaration of ‘gettid’ was here 34 | extern __pid_t gettid (void) __THROW; | ^~~~~~ Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2019-11-13ftrace/selftests: Update the direct call selftests to test two direct callsSteven Rostedt (VMware)
The register_ftrace_direct() takes a different path if there's already a direct call registered, but this was not tested in the self tests. Now that there's a second direct caller test module, we can use this to test not only one direct caller, but two. Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
2019-11-13ftrace/selftest: Add tests to test register_ftrace_direct()Steven Rostedt (VMware)
Add two test cases that test the new ftrace direct functionality if the ftrace-direct sample module is available. One test case tests against each available tracer (function, function_graph, mmiotrace, etc), and the other test tests against a kprobe at the same location as the direct caller. Both tests follow the same pattern of testing combinations: enable test (either the tracer or the kprobe) load direct function module unload direct function module disable test enable test load direct function module disable test unload direct function module load direct function module enable test disable test unload direct function module load direct function module enable test unload direct function module disable test As most the bugs in development happened with various ways of enabling or disabling the direct calls with function tracer in one of these combinations. Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
2019-11-13powerpc/watchpoint: Support for 8xx in ptrace-hwbreak.c selftestRavi Bangoria
On the 8xx, signals are generated after executing the instruction. So no need to manually single-step on 8xx. Also, 8xx __set_dabr() currently ignores length and hardcodes the length to 8 bytes. So all unaligned and 512 byte testcase will fail on 8xx. Ignore those testcases on 8xx. Signed-off-by: Ravi Bangoria <ravi.bangoria@linux.ibm.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/20191017093204.7511-8-ravi.bangoria@linux.ibm.com
2019-11-13powerpc/watchpoint: Add DAR outside test in perf-hwbreak.c selftestRavi Bangoria
So far we used to ignore exception if DAR points outside of user specified range. But now we are ignoring it only if actual load/store range does not overlap with user specified range. Include selftests for the same: # ./tools/testing/selftests/powerpc/ptrace/perf-hwbreak ... TESTED: No overlap TESTED: Partial overlap TESTED: Partial overlap TESTED: No overlap TESTED: Full overlap success: perf_hwbreak Signed-off-by: Ravi Bangoria <ravi.bangoria@linux.ibm.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/20191017093204.7511-7-ravi.bangoria@linux.ibm.com
2019-11-13selftests/powerpc: Rewrite ptrace-hwbreak.c selftestRavi Bangoria
ptrace-hwbreak.c selftest is logically broken. On powerpc, when watchpoint is created with ptrace, signals are generated before executing the instruction and user has to manually singlestep the instruction with watchpoint disabled, which selftest never does and thus it keeps on getting the signal at the same instruction. If we fix it, selftest fails because the logical connection between tracer(parent) and tracee(child) is also broken. Rewrite the selftest and add new tests for unaligned access. With patch: $ ./tools/testing/selftests/powerpc/ptrace/ptrace-hwbreak test: ptrace-hwbreak tags: git_version:powerpc-5.3-4-224-g218b868240c7-dirty PTRACE_SET_DEBUGREG, WO, len: 1: Ok PTRACE_SET_DEBUGREG, WO, len: 2: Ok PTRACE_SET_DEBUGREG, WO, len: 4: Ok PTRACE_SET_DEBUGREG, WO, len: 8: Ok PTRACE_SET_DEBUGREG, RO, len: 1: Ok PTRACE_SET_DEBUGREG, RO, len: 2: Ok PTRACE_SET_DEBUGREG, RO, len: 4: Ok PTRACE_SET_DEBUGREG, RO, len: 8: Ok PTRACE_SET_DEBUGREG, RW, len: 1: Ok PTRACE_SET_DEBUGREG, RW, len: 2: Ok PTRACE_SET_DEBUGREG, RW, len: 4: Ok PTRACE_SET_DEBUGREG, RW, len: 8: Ok PPC_PTRACE_SETHWDEBUG, MODE_EXACT, WO, len: 1: Ok PPC_PTRACE_SETHWDEBUG, MODE_EXACT, RO, len: 1: Ok PPC_PTRACE_SETHWDEBUG, MODE_EXACT, RW, len: 1: Ok PPC_PTRACE_SETHWDEBUG, MODE_RANGE, DW ALIGNED, WO, len: 6: Ok PPC_PTRACE_SETHWDEBUG, MODE_RANGE, DW ALIGNED, RO, len: 6: Ok PPC_PTRACE_SETHWDEBUG, MODE_RANGE, DW ALIGNED, RW, len: 6: Ok PPC_PTRACE_SETHWDEBUG, MODE_RANGE, DW UNALIGNED, WO, len: 6: Ok PPC_PTRACE_SETHWDEBUG, MODE_RANGE, DW UNALIGNED, RO, len: 6: Ok PPC_PTRACE_SETHWDEBUG, MODE_RANGE, DW UNALIGNED, RW, len: 6: Ok PPC_PTRACE_SETHWDEBUG, MODE_RANGE, DW UNALIGNED, DAR OUTSIDE, RW, len: 6: Ok PPC_PTRACE_SETHWDEBUG, DAWR_MAX_LEN, RW, len: 512: Ok success: ptrace-hwbreak Signed-off-by: Ravi Bangoria <ravi.bangoria@linux.ibm.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/20191017093204.7511-6-ravi.bangoria@linux.ibm.com
2019-11-12tc-testing: Introduced tdc tests for basic filterRoman Mashak
Added tests for 'cmp' extended match rules. Signed-off-by: Roman Mashak <mrv@mojatatu.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-11-12selftests: Add a test of large binary to devlink health testAya Levin
Add a test of 2 PAGEs size (exceeds devlink previous length limitation) of binary data on a 'devlink health dump show' command. Set binary length to 8192, issue a dump show command and clear it. Signed-off-by: Aya Levin <ayal@mellanox.com> Acked-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-11-12kselftests: cgroup: Avoid the reuse of fd after it is deallocatedHewenliang
It is necessary to set fd to -1 when inotify_add_watch() fails in cg_prepare_for_wait. Otherwise the fd which has been closed in cg_prepare_for_wait may be misused in other functions such as cg_enter_and_wait_for_frozen and cg_freeze_wait. Fixes: 5313bfe425c8 ("selftests: cgroup: add freezer controller self-tests") Signed-off-by: Hewenliang <hewenliang4@huawei.com> Signed-off-by: Tejun Heo <tj@kernel.org>
2019-11-12selftests: add tests for clone3()Adrian Reber
This adds tests for clone3() with different values and sizes of struct clone_args. This selftest was initially part of of the clone3() with PID selftest. After that patch was almost merged Eugene sent out a couple of patches to fix problems with these test. This commit now only contains the clone3() selftest after the LPC decision to rework clone3() with PID to allow setting the PID in multiple PID namespaces including all of Eugene's patches. Signed-off-by: Eugene Syromiatnikov <esyr@redhat.com> Signed-off-by: Adrian Reber <areber@redhat.com> Reviewed-by: Christian Brauner <christian.brauner@ubuntu.com> Link: https://lore.kernel.org/r/20191112095851.811884-1-areber@redhat.com Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>
2019-11-11bpf, testing: Add missing object file to TEST_FILESAnders Roxell
When installing kselftests to its own directory and run the test_lwt_ip_encap.sh it will complain that test_lwt_ip_encap.o can't be found. Same with the test_tc_edt.sh test it will complain that test_tc_edt.o can't be found. $ ./test_lwt_ip_encap.sh starting egress IPv4 encap test Error opening object test_lwt_ip_encap.o: No such file or directory Object hashing failed! Cannot initialize ELF context! Failed to parse eBPF program: Invalid argument Rework to add test_lwt_ip_encap.o and test_tc_edt.o to TEST_FILES so the object file gets installed when installing kselftest. Fixes: 74b5a5968fe8 ("selftests/bpf: Replace test_progs and test_maps w/ general rule") Signed-off-by: Anders Roxell <anders.roxell@linaro.org> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Acked-by: Song Liu <songliubraving@fb.com> Link: https://lore.kernel.org/bpf/20191111161728.8854-1-anders.roxell@linaro.org
2019-11-11kselftest: arm64: fix spelling mistake "contiguos" -> "contiguous"Colin Ian King
There is a spelling mistake in an error message literal string. Fix it. Fixes: f96bf4340316 ("kselftest: arm64: mangle_pstate_invalid_compat_toggle and common utils") Signed-off-by: Colin Ian King <colin.king@canonical.com> Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2019-11-11bpf, testing: Workaround a verifier failure for test_progsYonghong Song
With latest llvm compiler, running test_progs will have the following verifier failure for test_sysctl_loop1.o: libbpf: load bpf program failed: Permission denied libbpf: -- BEGIN DUMP LOG --- libbpf: invalid indirect read from stack var_off (0x0; 0xff)+196 size 7 ... libbpf: -- END LOG -- libbpf: failed to load program 'cgroup/sysctl' libbpf: failed to load object 'test_sysctl_loop1.o' The related bytecode looks as below: 0000000000000308 LBB0_8: 97: r4 = r10 98: r4 += -288 99: r4 += r7 100: w8 &= 255 101: r1 = r10 102: r1 += -488 103: r1 += r8 104: r2 = 7 105: r3 = 0 106: call 106 107: w1 = w0 108: w1 += -1 109: if w1 > 6 goto -24 <LBB0_5> 110: w0 += w8 111: r7 += 8 112: w8 = w0 113: if r7 != 224 goto -17 <LBB0_8> And source code: for (i = 0; i < ARRAY_SIZE(tcp_mem); ++i) { ret = bpf_strtoul(value + off, MAX_ULONG_STR_LEN, 0, tcp_mem + i); if (ret <= 0 || ret > MAX_ULONG_STR_LEN) return 0; off += ret & MAX_ULONG_STR_LEN; } Current verifier is not able to conclude that register w0 before '+' at insn 110 has a range of 1 to 7 and thinks it is from 0 - 255. This leads to more conservative range for w8 at insn 112, and later verifier complaint. Let us workaround this issue until we found a compiler and/or verifier solution. The workaround in this patch is to make variable 'ret' volatile, which will force a reload and then '&' operation to ensure better value range. With this patch, I got the below byte code for the loop: 0000000000000328 LBB0_9: 101: r4 = r10 102: r4 += -288 103: r4 += r7 104: w8 &= 255 105: r1 = r10 106: r1 += -488 107: r1 += r8 108: r2 = 7 109: r3 = 0 110: call 106 111: *(u32 *)(r10 - 64) = r0 112: r1 = *(u32 *)(r10 - 64) 113: if w1 s< 1 goto -28 <LBB0_5> 114: r1 = *(u32 *)(r10 - 64) 115: if w1 s> 7 goto -30 <LBB0_5> 116: r1 = *(u32 *)(r10 - 64) 117: w1 &= 7 118: w1 += w8 119: r7 += 8 120: w8 = w1 121: if r7 != 224 goto -21 <LBB0_9> Insn 117 did the '&' operation and we got more precise value range for 'w8' at insn 120. The test is happy then: #3/17 test_sysctl_loop1.o:OK Signed-off-by: Yonghong Song <yhs@fb.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Acked-by: Song Liu <songliubraving@fb.com> Link: https://lore.kernel.org/bpf/20191107170045.2503480-1-yhs@fb.com
2019-11-10selftests/bpf: Add tests for automatic map unpinning on load failureToke Høiland-Jørgensen
This add tests for the different variations of automatic map unpinning on load failure. Signed-off-by: Toke Høiland-Jørgensen <toke@redhat.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org> Acked-by: Andrii Nakryiko <andriin@fb.com> Acked-by: David S. Miller <davem@davemloft.net> Acked-by: Song Liu <songliubraving@fb.com> Link: https://lore.kernel.org/bpf/157333184838.88376.8243704248624814775.stgit@toke.dk
2019-11-09Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/netDavid S. Miller
One conflict in the BPF samples Makefile, some fixes in 'net' whilst we were converting over to Makefile.target rules in 'net-next'. Signed-off-by: David S. Miller <davem@davemloft.net>
2019-11-08Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/netLinus Torvalds
Pull networking fixes from David Miller: 1) BPF sample build fixes from Björn Töpel 2) Fix powerpc bpf tail call implementation, from Eric Dumazet. 3) DCCP leaks jiffies on the wire, fix also from Eric Dumazet. 4) Fix crash in ebtables when using dnat target, from Florian Westphal. 5) Fix port disable handling whne removing bcm_sf2 driver, from Florian Fainelli. 6) Fix kTLS sk_msg trim on fallback to copy mode, from Jakub Kicinski. 7) Various KCSAN fixes all over the networking, from Eric Dumazet. 8) Memory leaks in mlx5 driver, from Alex Vesker. 9) SMC interface refcounting fix, from Ursula Braun. 10) TSO descriptor handling fixes in stmmac driver, from Jose Abreu. 11) Add a TX lock to synchonize the kTLS TX path properly with crypto operations. From Jakub Kicinski. 12) Sock refcount during shutdown fix in vsock/virtio code, from Stefano Garzarella. 13) Infinite loop in Intel ice driver, from Colin Ian King. * git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (108 commits) ixgbe: need_wakeup flag might not be set for Tx i40e: need_wakeup flag might not be set for Tx igb/igc: use ktime accessors for skb->tstamp i40e: Fix for ethtool -m issue on X722 NIC iavf: initialize ITRN registers with correct values ice: fix potential infinite loop because loop counter being too small qede: fix NULL pointer deref in __qede_remove() net: fix data-race in neigh_event_send() vsock/virtio: fix sock refcnt holding during the shutdown net: ethernet: octeon_mgmt: Account for second possible VLAN header mac80211: fix station inactive_time shortly after boot net/fq_impl: Switch to kvmalloc() for memory allocation mac80211: fix ieee80211_txq_setup_flows() failure path ipv4: Fix table id reference in fib_sync_down_addr ipv6: fixes rt6_probe() and fib6_nh->last_probe init net: hns: Fix the stray netpoll locks causing deadlock in NAPI path net: usb: qmi_wwan: add support for DW5821e with eSIM support CDC-NCM: handle incomplete transfer of MTU nfc: netlink: fix double device reference drop NFC: st21nfca: fix double free ...
2019-11-08selftest: net: add alternative names testJiri Pirko
Add a simple test for recently added netdevice alternative names. Signed-off-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-11-08kselftest: arm64: fake_sigreturn_misaligned_spCristian Marussi
Add a simple fake_sigreturn testcase which places a valid sigframe on a non-16 bytes aligned SP. Expects a SIGSEGV on test PASS. Reviewed-by: Dave Martin <Dave.Martin@arm.com> Signed-off-by: Cristian Marussi <cristian.marussi@arm.com> Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2019-11-08kselftest: arm64: fake_sigreturn_bad_sizeCristian Marussi
Add a simple fake_sigreturn testcase which builds a ucontext_t with a badly sized header that causes a overrun in the __reserved area and place it onto the stack. Expects a SIGSEGV on test PASS. Reviewed-by: Dave Martin <Dave.Martin@arm.com> Signed-off-by: Cristian Marussi <cristian.marussi@arm.com> Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2019-11-08kselftest: arm64: fake_sigreturn_duplicated_fpsimdCristian Marussi
Add a simple fake_sigreturn testcase which builds a ucontext_t with an anomalous additional fpsimd_context and place it onto the stack. Expects a SIGSEGV on test PASS. Reviewed-by: Dave Martin <Dave.Martin@arm.com> Signed-off-by: Cristian Marussi <cristian.marussi@arm.com> Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2019-11-08kselftest: arm64: fake_sigreturn_missing_fpsimdCristian Marussi
Add a simple fake_sigreturn testcase which builds a ucontext_t without the required fpsimd_context and place it onto the stack. Expects a SIGSEGV on test PASS. Reviewed-by: Dave Martin <Dave.Martin@arm.com> Signed-off-by: Cristian Marussi <cristian.marussi@arm.com> Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2019-11-08kselftest: arm64: fake_sigreturn_bad_size_for_magic0Cristian Marussi
Add a simple fake_sigreturn testcase which builds a ucontext_t with a badly sized terminator record and place it onto the stack. Expects a SIGSEGV on test PASS. Reviewed-by: Dave Martin <Dave.Martin@arm.com> Signed-off-by: Cristian Marussi <cristian.marussi@arm.com> Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2019-11-08kselftest: arm64: fake_sigreturn_bad_magicCristian Marussi
Add a simple fake_sigreturn testcase which builds a ucontext_t with a bad magic header and place it onto the stack. Expects a SIGSEGV on test PASS. Introduce a common utility assembly trampoline function to invoke a sigreturn while placing the provided sigframe at wanted alignment and also an helper to make space when needed inside the sigframe reserved area. Reviewed-by: Dave Martin <Dave.Martin@arm.com> Signed-off-by: Cristian Marussi <cristian.marussi@arm.com> Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2019-11-08kselftest: arm64: add helper get_current_contextCristian Marussi
Introduce a new common utility function get_current_context() which can be used to grab a ucontext without the help of libc, and also to detect if such ucontext has been successfully used by placing it on the stack as a fake sigframe. Reviewed-by: Dave Martin <Dave.Martin@arm.com> Signed-off-by: Cristian Marussi <cristian.marussi@arm.com> Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2019-11-08kselftest: arm64: extend test_init functionalitiesCristian Marussi
Extend signal testing framework to allow the definition of a custom per test initialization function to be run at the end of the common test_init after test setup phase has completed and before test-run routine. This custom per-test initialization function also enables the test writer to decide on its own when forcibly skip the test itself using standard KSFT mechanism. Reviewed-by: Dave Martin <Dave.Martin@arm.com> Signed-off-by: Cristian Marussi <cristian.marussi@arm.com> Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2019-11-08kselftest: arm64: mangle_pstate_invalid_mode_el[123][ht]Cristian Marussi
Add 6 simple mangle testcases that mess with the ucontext_t from within the signal handler, trying to toggle PSTATE mode bits to trick the system into switching to EL1/EL2/EL3 using both SP_EL0(t) and SP_ELx(h). Expects SIGSEGV on test PASS. Reviewed-by: Dave Martin <Dave.Martin@arm.com> Signed-off-by: Cristian Marussi <cristian.marussi@arm.com> Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2019-11-08kselftest: arm64: mangle_pstate_invalid_daif_bitsCristian Marussi
Add a simple mangle testcase which messes with the ucontext_t from within the signal handler, trying to set PSTATE DAIF bits to an invalid value (masking everything). Expects SIGSEGV on test PASS. Reviewed-by: Dave Martin <Dave.Martin@arm.com> Signed-off-by: Cristian Marussi <cristian.marussi@arm.com> Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2019-11-08kselftest: arm64: mangle_pstate_invalid_compat_toggle and common utilsCristian Marussi
Add some arm64/signal specific boilerplate and utility code to help further testcases' development. Introduce also one simple testcase mangle_pstate_invalid_compat_toggle and some related helpers: it is a simple mangle testcase which messes with the ucontext_t from within the signal handler, trying to toggle PSTATE state bits to switch the system between 32bit/64bit execution state. Expects SIGSEGV on test PASS. Reviewed-by: Dave Martin <Dave.Martin@arm.com> Signed-off-by: Cristian Marussi <cristian.marussi@arm.com> Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2019-11-08kselftest: arm64: extend toplevel skeleton MakefileCristian Marussi
Modify KSFT arm64 toplevel Makefile to maintain arm64 kselftests organized by subsystem, keeping them into distinct subdirectories under arm64 custom KSFT directory: tools/testing/selftests/arm64/ Add to such toplevel Makefile a mechanism to guess the effective location of Kernel headers as installed by KSFT framework. Fit existing arm64 tags kselftest into this new schema moving them into their own subdirectory (arm64/tags). Reviewed-by: Dave Martin <Dave.Martin@arm.com> Signed-off-by: Cristian Marussi <cristian.marussi@arm.com> Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2019-11-07selftests: mlxsw: Add test cases for devlink-trap layer 3 exceptionsAmit Cohen
Test that each supported packet trap exception is triggered under the right conditions. Signed-off-by: Amit Cohen <amitc@mellanox.com> Acked-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-11-07selftests: forwarding: tc_common: Add hitting checkAmit Cohen
Add an option to check that packets hit the tc filter without providing the exact number of packets that should hit it. It is useful while sending many packets in background and checking that at least one of them hit the tc filter. Signed-off-by: Amit Cohen <amitc@mellanox.com> Acked-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-11-07selftests: forwarding: devlink: Add functionality for trap exceptions testAmit Cohen
Add common part of all the tests - check devlink status to ensure that packets were trapped. Signed-off-by: Amit Cohen <amitc@mellanox.com> Acked-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-11-07selftests: mlxsw: Add test cases for devlink-trap layer 3 dropsAmit Cohen
Test that each supported packet trap is triggered under the right conditions and that packets are indeed dropped and not forwarded. Signed-off-by: Amit Cohen <amitc@mellanox.com> Acked-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-11-07selftests: devlink: Make devlink_trap_cleanup() more genericAmit Cohen
Add proto parameter in order to enable the use of devlink_trap_cleanup() in tests that use IPv6 protocol. Signed-off-by: Amit Cohen <amitc@mellanox.com> Acked-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-11-07selftests: devlink: Export functions to devlink libraryAmit Cohen
l2_drops_test() is used to check that drop traps are functioning as intended. Currently it is only used in the layer 2 test, but it is also useful for the layer 3 test introduced in the subsequent patch. l2_drops_cleanup() is used to clean configurations and kill mausezahn proccess. Export the functions to the common devlink library to allow it to be re-used by future tests. Signed-off-by: Amit Cohen <amitc@mellanox.com> Acked-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-11-07selftests: Add source route tests to fib_testsDavid Ahern
Add tests to verify routes with source address set are deleted when source address is deleted. Signed-off-by: David Ahern <dsahern@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-11-07selftests: sync: Fix cast warnings on armMasami Hiramatsu
Fix warnings on __u64 and pointer translation on arm and other 32bit architectures. Since the pointer is 32bits on those archs, we should not directly cast those types. Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org> Cc: Emilio López <emilio.lopez@collabora.co.uk> Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
2019-11-07selftests: net: Fix printf format warnings on armMasami Hiramatsu
Fix printf format warnings on arm (and other 32bit arch). - udpgso.c and udpgso_bench_tx use %lu for size_t but it should be unsigned long long on 32bit arch. - so_txtime.c uses %ld for int64_t, but it should be unsigned long long on 32bit arch. Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org> Cc: Willem de Bruijn <willemb@google.com> Cc: David S. Miller <davem@davemloft.net> Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
2019-11-07selftests: net: Use size_t and ssize_t for counting file sizeMasami Hiramatsu
Use size_t and ssize_t correctly for counting send file size instead of unsigned long and long, because long is 32bit on 32bit arch, which is not enough for counting long file size (>4GB). Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org> Cc: Eric Dumazet <edumazet@google.com> Cc: David S. Miller <davem@davemloft.net> Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
2019-11-07selftests: vm: Build/Run 64bit tests only on 64bit archMasami Hiramatsu
Some virtual address range tests requires 64bit address space, and we can not build and run those tests on the 32bit machine. Filter the 64bit architectures in Makefile and run_vmtests, so that those tests are built/run only on 64bit archs. Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org> Cc: Anshuman Khandual <khandual@linux.vnet.ibm.com> Cc: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
2019-11-07selftests: proc: Make va_max 1MBMasami Hiramatsu
Currently proc-self-map-files-002.c sets va_max (max test address of user virtual address) to 4GB, but it is too big for 32bit arch and 1UL << 32 is overflow on 32bit long. Also since this value should be enough bigger than vm.mmap_min_addr (64KB or 32KB by default), 1MB should be enough. Make va_max 1MB unconditionally. Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org> Cc: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
2019-11-07kselftest: Fix NULL INSTALL_PATH for TARGETS runlistPrabhakar Kushwaha
As per commit 131b30c94fbc ("kselftest: exclude failed TARGETS from runlist") failed targets were excluded from the runlist. But value $$INSTALL_PATH is always NULL. It should be $INSTALL_PATH instead $$INSTALL_PATH. So, fix Makefile to use $INSTALL_PATH. Fixes: 131b30c94fbc ("kselftest: exclude failed TARGETS from runlist") Signed-off-by: Prabhakar Kushwaha <pkushwaha@marvell.com> Reviewed-by: Cristian Marussi <cristian.marussi@arm.com> Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
2019-11-07selftests: Move kselftest_module.sh into kselftest/Kees Cook
The kselftest_module.sh file was not being installed by the Makefile "install" target, rendering the lib/*.sh tests nonfunction. This fixes that and takes the opportunity to move it into the kselftest/ subdirectory which is where the kselftest infrastructure bits are collecting. Reported-by: Naresh Kamboju <naresh.kamboju@linaro.org> Link: https://lore.kernel.org/lkml/CA+G9fYsfJpXQvOvHdjtg8z4a89dSStOQZOKa9zMjjQgWKng1aw@mail.gmail.com Fixes: d3460527706e ("kselftest: Add test runner creation script") Signed-off-by: Kees Cook <keescook@chromium.org> Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
2019-11-07selftests: gen_kselftest_tar.sh: Do not clobber kselftest/Kees Cook
The default installation location for gen_kselftest_tar.sh was still "kselftest/" which collides with the existing directory. Instead, this moves the installation target into "kselftest_install/kselftest/" and adjusts the tar creation accordingly. This also adjusts indentation and logic to be consistent. Fixes: 42d46e57ec97 ("selftests: Extract single-test shell logic from lib.mk") Signed-off-by: Kees Cook <keescook@chromium.org> Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
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