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2020-11-03perf tools: Remove LTO compiler options when building perl supportJustin M. Forbes
To avoid breaking the build by mixing files compiled with things coming from distro specific compiler options for perl with the rest of perf, i.e. to avoid this: `.gnu.debuglto_.debug_macro' referenced in section `.gnu.debuglto_.debug_macro' of /tmp/build/perf/util/scripting-engines/perf-in.o: defined in discarded section `.gnu.debuglto_.debug_macro[wm4.stdcpredef.h.19.8dc41bed5d9037ff9622e015fb5f0ce3]' of /tmp/build/perf/util/scripting-engines/perf-in.o Noticed on Fedora 33. Signed-off-by: Justin M. Forbes <jforbes@fedoraproject.org> Bugzilla: https://bugzilla.redhat.com/show_bug.cgi?id=1593431 Cc: Jiri Olsa <jolsa@redhat.com> Link: https://src.fedoraproject.org/rpms/kernel-tools/c/589a32b62f0c12516ab7b34e3dd30d450145bfa4?branch=master Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2020-11-02selftests: add test script for bareudp tunnelsGuillaume Nault
Test different encapsulation modes of the bareudp module: * Unicast MPLS, * IPv4 only, * IPv4 in multiproto mode (that is, IPv4 and IPv6), * IPv6. Each mode is tested with both an IPv4 and an IPv6 underlay. v2: * Add build dependencies in config file (Willem de Bruijn). * The MPLS test now uses its own IP addresses. This minimises the amount of cleanup between tests and simplifies the script. * Verify that iproute2 supports bareudp tunnels before running the script (and other minor usability improvements). Signed-off-by: Guillaume Nault <gnault@redhat.com> Link: https://lore.kernel.org/r/8abc0e58f8a7eeb404f82466505a73110bc43ab8.1604088587.git.gnault@redhat.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-11-02libbpf, hashmap: Fix undefined behavior in hash_bitsIan Rogers
If bits is 0, the case when the map is empty, then the >> is the size of the register which is undefined behavior - on x86 it is the same as a shift by 0. Fix by handling the 0 case explicitly and guarding calls to hash_bits for empty maps in hashmap__for_each_key_entry and hashmap__for_each_entry_safe. Fixes: e3b924224028 ("libbpf: add resizable non-thread safe internal hashmap") Suggested-by: Andrii Nakryiko <andriin@fb.com>, Signed-off-by: Ian Rogers <irogers@google.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Acked-by: Andrii Nakryiko <andrii@kernel.org> Acked-by: Song Liu <songliubraving@fb.com> Link: https://lore.kernel.org/bpf/20201029223707.494059-1-irogers@google.com
2020-11-02selftests/net: timestamping: add ptp v2 supportGrygorii Strashko
The timestamping tool is supporting now only PTPv1 (IEEE-1588 2002) while modern HW often supports also/only PTPv2. Hence timestamping tool is still useful for sanity testing of PTP drivers HW timestamping capabilities it's reasonable to upstate it to support PTPv2. This patch adds corresponding support which can be enabled by using new parameter "PTPV2". Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com> Acked-by: Richard Cochran <richardcochran@gmail.com> Link: https://lore.kernel.org/r/20201029190931.30883-1-grygorii.strashko@ti.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-11-02epoll: add a selftest for epoll timeout raceSoheil Hassas Yeganeh
Add a test case to ensure an event is observed by at least one poller when an epoll timeout is used. Signed-off-by: Guantao Liu <guantaol@google.com> Signed-off-by: Soheil Hassas Yeganeh <soheil@google.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Reviewed-by: Eric Dumazet <edumazet@google.com> Reviewed-by: Khazhismel Kumykov <khazhy@google.com> Acked-by: Willem de Bruijn <willemb@google.com> Cc: Al Viro <viro@zeniv.linux.org.uk> Cc: Davidlohr Bueso <dave@stgolabs.net> Link: https://lkml.kernel.org/r/20201028180202.952079-2-soheil.kdev@gmail.com Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2020-11-01Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvmLinus Torvalds
Pull kvm fixes from Paolo Bonzini: "ARM: - selftest fix - force PTE mapping on device pages provided via VFIO - fix detection of cacheable mapping at S2 - fallback to PMD/PTE mappings for composite huge pages - fix accounting of Stage-2 PGD allocation - fix AArch32 handling of some of the debug registers - simplify host HYP entry - fix stray pointer conversion on nVHE TLB invalidation - fix initialization of the nVHE code - simplify handling of capabilities exposed to HYP - nuke VCPUs caught using a forbidden AArch32 EL0 x86: - new nested virtualization selftest - miscellaneous fixes - make W=1 fixes - reserve new CPUID bit in the KVM leaves" * tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: KVM: vmx: remove unused variable KVM: selftests: Don't require THP to run tests KVM: VMX: eVMCS: make evmcs_sanitize_exec_ctrls() work again KVM: selftests: test behavior of unmapped L2 APIC-access address KVM: x86: Fix NULL dereference at kvm_msr_ignored_check() KVM: x86: replace static const variables with macros KVM: arm64: Handle Asymmetric AArch32 systems arm64: cpufeature: upgrade hyp caps to final arm64: cpufeature: reorder cpus_have_{const, final}_cap() KVM: arm64: Factor out is_{vhe,nvhe}_hyp_code() KVM: arm64: Force PTE mapping on fault resulting in a device mapping KVM: arm64: Use fallback mapping sizes for contiguous huge page sizes KVM: arm64: Fix masks in stage2_pte_cacheable() KVM: arm64: Fix AArch32 handling of DBGD{CCINT,SCRext} and DBGVCR KVM: arm64: Allocate stage-2 pgd pages with GFP_KERNEL_ACCOUNT KVM: arm64: Drop useless PAN setting on host EL1 to EL2 transition KVM: arm64: Remove leftover kern_hyp_va() in nVHE TLB invalidation KVM: arm64: Don't corrupt tpidr_el2 on failed HVC call x86/kvm: Reserve KVM_FEATURE_MSI_EXT_DEST_ID
2020-10-31KVM: selftests: Don't require THP to run testsAndrew Jones
Unless we want to test with THP, then we shouldn't require it to be configured by the host kernel. Unfortunately, even advising with MADV_NOHUGEPAGE does require it, so check for THP first in order to avoid madvise failing with EINVAL. Signed-off-by: Andrew Jones <drjones@redhat.com> Message-Id: <20201029201703.102716-2-drjones@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-10-31KVM: selftests: test behavior of unmapped L2 APIC-access addressJim Mattson
Add a regression test for commit 671ddc700fd0 ("KVM: nVMX: Don't leak L1 MMIO regions to L2"). First, check to see that an L2 guest can be launched with a valid APIC-access address that is backed by a page of L1 physical memory. Next, set the APIC-access address to a (valid) L1 physical address that is not backed by memory. KVM can't handle this situation, so resuming L2 should result in a KVM exit for internal error (emulation). Signed-off-by: Jim Mattson <jmattson@google.com> Reviewed-by: Ricardo Koller <ricarkol@google.com> Reviewed-by: Peter Shier <pshier@google.com> Message-Id: <20201026180922.3120555-1-jmattson@google.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-10-30selftests: net: bridge: add test for igmpv3 *,g auto-addNikolay Aleksandrov
When we have *,G ports in exclude mode and a new S,G,port is added the kernel has to automatically create an S,G entry for each exclude port to get proper forwarding. Signed-off-by: Nikolay Aleksandrov <nikolay@nvidia.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-10-30selftests: net: bridge: add test for igmpv3 exclude timeoutNikolay Aleksandrov
Test that when a group in exclude mode expires it changes mode to include and the blocked entries are deleted. Signed-off-by: Nikolay Aleksandrov <nikolay@nvidia.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-10-30selftests: net: bridge: add test for igmpv3 exc -> block reportNikolay Aleksandrov
The test checks for the following case: state report result action EXCLUDE (X,Y) BLOCK (A) EXCLUDE (X+(A-Y),Y) (A-X-Y)=Group Timer Send Q(G,A-Y) Signed-off-by: Nikolay Aleksandrov <nikolay@nvidia.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-10-30selftests: net: bridge: add test for igmpv3 inc -> block reportNikolay Aleksandrov
The test checks for the following case: state report result action INCLUDE (A) BLOCK (B) INCLUDE (A) Send Q(G,A*B) Signed-off-by: Nikolay Aleksandrov <nikolay@nvidia.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-10-30selftests: net: bridge: add test for igmpv3 exc -> to_exclude reportNikolay Aleksandrov
The test checks for the following case: state report result action EXCLUDE (X,Y) TO_EX (A) EXCLUDE (A-Y,Y*A) (A-X-Y)=Group Timer Delete (X-A) Delete (Y-A) Send Q(G,A-Y) Group Timer=GMI Signed-off-by: Nikolay Aleksandrov <nikolay@nvidia.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-10-30selftests: net: bridge: add test for igmpv3 exc -> is_exclude reportNikolay Aleksandrov
The test checks for the following case: state report result action EXCLUDE (X,Y) IS_EX (A) EXCLUDE (A-Y,Y*A) (A-X-Y)=GMI Delete (X-A) Delete (Y-A) Group Timer=GMI Signed-off-by: Nikolay Aleksandrov <nikolay@nvidia.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-10-30selftests: net: bridge: add test for igmpv3 exc -> is_include reportNikolay Aleksandrov
The test checks for the following case: state report result action EXCLUDE (X,Y) IS_IN (A) EXCLUDE (X+A,Y-A) (A)=GMI Signed-off-by: Nikolay Aleksandrov <nikolay@nvidia.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-10-30selftests: net: bridge: add test for igmpv3 exc -> allow reportNikolay Aleksandrov
The test checks for the following case: state report result action EXCLUDE (X,Y) ALLOW (A) EXCLUDE (X+A,Y-A) (A)=GMI Signed-off-by: Nikolay Aleksandrov <nikolay@nvidia.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-10-30selftests: net: bridge: add test for igmpv3 inc -> to_exclude reportNikolay Aleksandrov
The test checks for the following case: state report result action INCLUDE (A) TO_EX (B) EXCLUDE (A*B,B-A) (B-A)=0 Delete (A-B) Send Q(G,A*B) Group Timer=GMI Signed-off-by: Nikolay Aleksandrov <nikolay@nvidia.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-10-30selftests: net: bridge: add test for igmpv3 inc -> is_exclude reportNikolay Aleksandrov
The test checks for the following case: state report result action INCLUDE (A) IS_EX (B) EXCLUDE (A*B,B-A) (B-A)=0 Delete (A-B) Group Timer=GMI Signed-off-by: Nikolay Aleksandrov <nikolay@nvidia.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-10-30selftests: net: bridge: add test for igmpv3 inc -> is_include reportNikolay Aleksandrov
The test checks for the following case: state report result action INCLUDE (A) IS_IN (B) INCLUDE (A+B) (B)=GMI Signed-off-by: Nikolay Aleksandrov <nikolay@nvidia.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-10-30selftests: net: bridge: add tests for igmpv3 is_include and inc -> allow reportsNikolay Aleksandrov
First we test is_include/include mode then we build on that with allow effectively achieving: state report result action INCLUDE (A) ALLOW (B) INCLUDE (A+B) (B)=GMI Signed-off-by: Nikolay Aleksandrov <nikolay@nvidia.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-10-30selftests: net: bridge: igmp: add IGMPv3 entries' state helpersNikolay Aleksandrov
Add helpers which will be used in subsequent tests, they are: - check_sg_entries: check for proper source list and S,G entry existence - check_sg_fwding: check for proper traffic forwarding/blocking - check_sg_state: check for proper blocked/forwarding entry state Signed-off-by: Nikolay Aleksandrov <nikolay@nvidia.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-10-30selftests: net: bridge: igmp: check for specific udp ip protocolNikolay Aleksandrov
We have to specifically check for udp protocol in addition to the mac address because in IGMPv3 tests group-specific queries will use the same mac address. Signed-off-by: Nikolay Aleksandrov <nikolay@nvidia.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-10-30selftests: net: bridge: igmp: add support for packet source addressNikolay Aleksandrov
Add support for one more argument which specifies the source address to use. It will be later used for IGMPv3 S,G entry testing. Signed-off-by: Nikolay Aleksandrov <nikolay@nvidia.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-10-30selftests: net: bridge: rename current igmp tests to igmpv2Nikolay Aleksandrov
To prepare the bridge_igmp.sh for IGMPv3 we need to rename the current test to IGMPv2. Signed-off-by: Nikolay Aleksandrov <nikolay@nvidia.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-10-30wireguard: selftests: check that route_me_harder packets use the right skJason A. Donenfeld
If netfilter changes the packet mark, the packet is rerouted. The ip_route_me_harder family of functions fails to use the right sk, opting to instead use skb->sk, resulting in a routing loop when used with tunnels. With the next change fixing this issue in netfilter, test for the relevant condition inside our test suite, since wireguard was where the bug was discovered. Reported-by: Chen Minqiang <ptpt52@gmail.com> Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2020-10-29tools, bpftool: Remove two unused variables.Ian Rogers
Avoid an unused variable warning. Signed-off-by: Ian Rogers <irogers@google.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Reviewed-by: Tobias Klauser <tklauser@distanz.ch> Acked-by: Andrii Nakryiko <andrii@kernel.org> Link: https://lore.kernel.org/bpf/20201027233646.3434896-2-irogers@google.com
2020-10-29tools, bpftool: Avoid array index warnings.Ian Rogers
The bpf_caps array is shorter without CAP_BPF, avoid out of bounds reads if this isn't defined. Working around this avoids -Wno-array-bounds with clang. Signed-off-by: Ian Rogers <irogers@google.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Reviewed-by: Tobias Klauser <tklauser@distanz.ch> Acked-by: Andrii Nakryiko <andrii@kernel.org> Link: https://lore.kernel.org/bpf/20201027233646.3434896-1-irogers@google.com
2020-10-28selftests: kselftest_harness.h: fix kernel-doc markupsMauro Carvalho Chehab
The kernel-doc markups there is violating the expected syntax, causing it to not parse the name of the markup identifier properly, preventing it to check if the kernel-doc matches the #define below each markup. Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Link: https://lore.kernel.org/r/697640045663f1366beb15e76e78b420dac5f5a2.1603791716.git.mchehab+huawei@kernel.org Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2020-10-28kselftest/arm64: Fix check_user_mem testVincenzo Frascino
The check_user_mem test reports the error below because the test plan is not declared correctly: # Planned tests != run tests (0 != 4) Fix the test adding the correct test plan declaration. Fixes: 4dafc08d0ba4 ("kselftest/arm64: Check mte tagged user address in kernel") Signed-off-by: Vincenzo Frascino <vincenzo.frascino@arm.com> Cc: Shuah Khan <shuah@kernel.org> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Will Deacon <will@kernel.org> Cc: Gabor Kertesz <gabor.kertesz@arm.com> Cc: Amit Daniel Kachhap <amit.kachhap@arm.com> Link: https://lore.kernel.org/r/20201026121248.2340-7-vincenzo.frascino@arm.com Signed-off-by: Will Deacon <will@kernel.org>
2020-10-28kselftest/arm64: Fix check_ksm_options testVincenzo Frascino
The check_ksm_options test reports the error below because the test plan is not declared correctly: # Planned tests != run tests (0 != 4) Fix the test adding the correct test plan declaration. Fixes: f981d8fa2646 ("kselftest/arm64: Verify KSM page merge for MTE pages") Signed-off-by: Vincenzo Frascino <vincenzo.frascino@arm.com> Cc: Shuah Khan <shuah@kernel.org> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Will Deacon <will@kernel.org> Cc: Gabor Kertesz <gabor.kertesz@arm.com> Cc: Amit Daniel Kachhap <amit.kachhap@arm.com> Link: https://lore.kernel.org/r/20201026121248.2340-6-vincenzo.frascino@arm.com Signed-off-by: Will Deacon <will@kernel.org>
2020-10-28kselftest/arm64: Fix check_mmap_options testVincenzo Frascino
The check_mmap_options test reports the error below because the test plan is not declared correctly: # Planned tests != run tests (0 != 22) Fix the test adding the correct test plan declaration. Fixes: 53ec81d23213 ("kselftest/arm64: Verify all different mmap MTE options") Signed-off-by: Vincenzo Frascino <vincenzo.frascino@arm.com> Cc: Shuah Khan <shuah@kernel.org> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Will Deacon <will@kernel.org> Cc: Gabor Kertesz <gabor.kertesz@arm.com> Cc: Amit Daniel Kachhap <amit.kachhap@arm.com> Link: https://lore.kernel.org/r/20201026121248.2340-5-vincenzo.frascino@arm.com Signed-off-by: Will Deacon <will@kernel.org>
2020-10-28kselftest/arm64: Fix check_child_memory testVincenzo Frascino
The check_child_memory test reports the error below because the test plan is not declared correctly: # Planned tests != run tests (0 != 12) Fix the test adding the correct test plan declaration. Fixes: dfe537cf4718 ("kselftest/arm64: Check forked child mte memory accessibility") Signed-off-by: Vincenzo Frascino <vincenzo.frascino@arm.com> Cc: Shuah Khan <shuah@kernel.org> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Will Deacon <will@kernel.org> Cc: Gabor Kertesz <gabor.kertesz@arm.com> Cc: Amit Daniel Kachhap <amit.kachhap@arm.com> Link: https://lore.kernel.org/r/20201026121248.2340-4-vincenzo.frascino@arm.com Signed-off-by: Will Deacon <will@kernel.org>
2020-10-28kselftest/arm64: Fix check_tags_inclusion testVincenzo Frascino
The check_tags_inclusion test reports the error below because the test plan is not declared correctly: # Planned tests != run tests (0 != 4) Fix the test adding the correct test plan declaration. Fixes: f3b2a26ca78d ("kselftest/arm64: Verify mte tag inclusion via prctl") Signed-off-by: Vincenzo Frascino <vincenzo.frascino@arm.com> Cc: Shuah Khan <shuah@kernel.org> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Will Deacon <will@kernel.org> Cc: Gabor Kertesz <gabor.kertesz@arm.com> Cc: Amit Daniel Kachhap <amit.kachhap@arm.com> Link: https://lore.kernel.org/r/20201026121248.2340-3-vincenzo.frascino@arm.com Signed-off-by: Will Deacon <will@kernel.org>
2020-10-28kselftest/arm64: Fix check_buffer_fill testVincenzo Frascino
The check_buffer_fill test reports the error below because the test plan is not declared correctly: # Planned tests != run tests (0 != 20) Fix the test adding the correct test plan declaration. Fixes: e9b60476bea0 ("kselftest/arm64: Add utilities and a test to validate mte memory") Signed-off-by: Vincenzo Frascino <vincenzo.frascino@arm.com> Cc: Shuah Khan <shuah@kernel.org> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Will Deacon <will@kernel.org> Cc: Gabor Kertesz <gabor.kertesz@arm.com> Cc: Amit Daniel Kachhap <amit.kachhap@arm.com> Link: https://lore.kernel.org/r/20201026121248.2340-2-vincenzo.frascino@arm.com Signed-off-by: Will Deacon <will@kernel.org>
2020-10-27selftests: pidfd: drop needless linux/kcmp.h inclusion in pidfd_setns_test.cTommi Rantala
kcmp is not used in pidfd_setns_test.c, so do not include <linux/kcmp.h> Signed-off-by: Tommi Rantala <tommi.t.rantala@nokia.com> Acked-by: Christian Brauner <christian.brauner@ubuntu.com> Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
2020-10-27selftests: pidfd: add CONFIG_CHECKPOINT_RESTORE=y to configTommi Rantala
kcmp syscall is used in pidfd_getfd_test.c, so add CONFIG_CHECKPOINT_RESTORE=y to config to ensure kcmp is available. Signed-off-by: Tommi Rantala <tommi.t.rantala@nokia.com> Acked-by: Christian Brauner <christian.brauner@ubuntu.com> Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
2020-10-27selftests: pidfd: skip test on kcmp() ENOSYSTommi Rantala
Skip test if kcmp() is not available, for example if kernel is compiled without CONFIG_CHECKPOINT_RESTORE=y. Signed-off-by: Tommi Rantala <tommi.t.rantala@nokia.com> Acked-by: Christian Brauner <christian.brauner@ubuntu.com> Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
2020-10-27selftests: pidfd: use ksft_test_result_skip() when skipping testTommi Rantala
There's planned tests != run tests in pidfd_test when some test is skipped: $ ./pidfd_test TAP version 13 1..8 [...] # pidfd_send_signal signal recycled pid test: Skipping test # Planned tests != run tests (8 != 7) # Totals: pass:7 fail:0 xfail:0 xpass:0 skip:0 error:0 Fix by using ksft_test_result_skip(): $ ./pidfd_test TAP version 13 1..8 [...] ok 8 # SKIP pidfd_send_signal signal recycled pid test: Unsharing pid namespace not permitted # Totals: pass:7 fail:0 xfail:0 xpass:0 skip:1 error:0 Signed-off-by: Tommi Rantala <tommi.t.rantala@nokia.com> Acked-by: Christian Brauner <christian.brauner@ubuntu.com> Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
2020-10-27selftests/harness: prettify SKIP message whitespace againTommi Rantala
Commit 9847d24af95c ("selftests/harness: Refactor XFAIL into SKIP") replaced XFAIL with SKIP in the output. Add one more space to make the output aligned and pretty again. Fixes: 9847d24af95c ("selftests/harness: Refactor XFAIL into SKIP") Signed-off-by: Tommi Rantala <tommi.t.rantala@nokia.com> Acked-by: Kees Cook <keescook@chromium.org> Reviewed-by: Christian Brauner <christian.brauner@ubuntu.com> Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
2020-10-27selftests: pidfd: fix compilation errors due to wait.hTommi Rantala
Drop unneeded <linux/wait.h> header inclusion to fix pidfd compilation errors seen in Fedora 32: In file included from pidfd_open_test.c:9: ../../../../usr/include/linux/wait.h:17:16: error: expected identifier before numeric constant 17 | #define P_ALL 0 | ^ Signed-off-by: Tommi Rantala <tommi.t.rantala@nokia.com> Reviewed-by: Kees Cook <keescook@chromium.org> Acked-by: Christian Brauner <christian.brauner@ubuntu.com> Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
2020-10-27selftests: filter kselftest headers from command in lib.mkTommi Rantala
Commit 1056d3d2c97e ("selftests: enforce local header dependency in lib.mk") added header dependency to the rule, but as the rule uses $^, the headers are added to the compiler command line. This can cause unexpected precompiled header files being generated when compilation fails: $ echo { >> openat2_test.c $ make gcc -Wall -O2 -g -fsanitize=address -fsanitize=undefined openat2_test.c tools/testing/selftests/kselftest_harness.h tools/testing/selftests/kselftest.h helpers.c -o tools/testing/selftests/openat2/openat2_test openat2_test.c:313:1: error: expected identifier or ‘(’ before ‘{’ token 313 | { | ^ make: *** [../lib.mk:140: tools/testing/selftests/openat2/openat2_test] Error 1 $ file openat2_test* openat2_test: GCC precompiled header (version 014) for C openat2_test.c: C source, ASCII text Fix it by filtering out the headers, so that we'll only pass the actual *.c files in the compiler command line. Fixes: 1056d3d2c97e ("selftests: enforce local header dependency in lib.mk") Signed-off-by: Tommi Rantala <tommi.t.rantala@nokia.com> Acked-by: Kees Cook <keescook@chromium.org> Reviewed-by: Christian Brauner <christian.brauner@ubuntu.com> Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
2020-10-27selftests/ftrace: check for do_sys_openat2 in user-memory testColin Ian King
More recent libc implementations are now using openat/openat2 system calls so also add do_sys_openat2 to the tracing so that the test passes on these systems because do_sys_open may not be called. Thanks to Masami Hiramatsu for the help on getting this fix to work correctly. Signed-off-by: Colin Ian King <colin.king@canonical.com> Acked-by: Masami Hiramatsu <mhiramat@kernel.org> Acked-by: Steven Rostedt (VMware) <rostedt@goodmis.org> Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
2020-10-27selftests/ftrace: Use $FUNCTION_FORK to reference kernel fork functionSteven Rostedt (VMware)
Commit cad6967ac108 ("fork: introduce kernel_clone()") replaced "_do_fork()" with "kernel_clone()". The ftrace selftests reference the fork function in several of the tests. The rename will make the tests break, but if those names are changed in the tests, they would then break on older kernels. The same set of tests should pass older kernels if they have previously passed. Obviously, a new test may not work on older kernels if the test was added due to a bug or a new feature. The setup of ftracetest will now create a $FUNCTION_FORK bash variable that will contain "_do_fork" for older kernels and "kernel_clone" for newer ones. It figures out the proper name by examining /proc/kallsyms. Note, available_filter_functions could also be used, but because some tests should be able to pass without function tracing enabled, it could not be used. Fixes: eea11285dab3 ("tracing: switch to kernel_clone()") Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org> Acked-by: Masami Hiramatsu <mhiramat@kernel.org> Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
2020-10-26kunit: tools: fix kunit_tool tests for parsing test plansBrendan Higgins
Some tests logs for kunit_tool tests are missing their test plans causing their tests to fail; fix this by adding the test plans. Fixes: 45dcbb6f5ef7 ("kunit: test: add test plan to KUnit TAP format") Signed-off-by: Brendan Higgins <brendanhiggins@google.com> Reviewed-by: David Gow <davidgow@google.com> Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
2020-10-26kunit: Don't fail test suites if one of them is emptyAndy Shevchenko
Empty test suite is okay test suite. Don't fail the rest of the test suites if one of them is empty. Fixes: 6ebf5866f2e8 ("kunit: tool: add Python wrappers for running KUnit tests") Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Reviewed-by: Brendan Higgins <brendanhiggins@google.com> Tested-by: Brendan Higgins <brendanhiggins@google.com> Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
2020-10-26kunit: Fix kunit.py --raw_output optionDavid Gow
Due to the raw_output() function on kunit_parser.py actually being a generator, it only runs if something reads the lines it returns. Since we no-longer do that (parsing doesn't actually happen if raw_output is enabled), it was not printing anything. Fixes: 45ba7a893ad8 ("kunit: kunit_tool: Separate out config/build/exec/parse") Signed-off-by: David Gow <davidgow@google.com> Reviewed-by: Brendan Higgins <brendanhiggins@google.com> Tested-by: Brendan Higgins <brendanhiggins@google.com> Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
2020-10-26selftest/bpf: Fix profiler test using CO-RE relocation for enumsAndrii Nakryiko
Instead of hard-coding invalid pids_cgrp_id, use Kconfig to detect the presence of that enum value and CO-RE to capture its actual value in the hosts's kernel. Fixes: 03d4d13fab3f ("selftests/bpf: Add profiler test") Signed-off-by: Andrii Nakryiko <andrii@kernel.org> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Tested-by: Song Liu <songliubraving@fb.com> Link: https://lore.kernel.org/bpf/20201022202739.3667367-1-andrii@kernel.org
2020-10-25treewide: Convert macro and uses of __section(foo) to __section("foo")Joe Perches
Use a more generic form for __section that requires quotes to avoid complications with clang and gcc differences. Remove the quote operator # from compiler_attributes.h __section macro. Convert all unquoted __section(foo) uses to quoted __section("foo"). Also convert __attribute__((section("foo"))) uses to __section("foo") even if the __attribute__ has multiple list entry forms. Conversion done using the script at: https://lore.kernel.org/lkml/75393e5ddc272dc7403de74d645e6c6e0f4e70eb.camel@perches.com/2-convert_section.pl Signed-off-by: Joe Perches <joe@perches.com> Reviewed-by: Nick Desaulniers <ndesaulniers@gooogle.com> Reviewed-by: Miguel Ojeda <ojeda@kernel.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2020-10-25Merge tag 'timers-urgent-2020-10-25' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull timer fixes from Thomas Gleixner: "A time namespace fix and a matching selftest. The futex absolute timeouts which are based on CLOCK_MONOTONIC require time namespace corrected. This was missed in the original time namesapce support" * tag 'timers-urgent-2020-10-25' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: selftests/timens: Add a test for futex() futex: Adjust absolute futex timeouts with per time namespace offset
2020-10-24Merge branch 'work.misc' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs Pull misc vfs updates from Al Viro: "Assorted stuff all over the place (the largest group here is Christoph's stat cleanups)" * 'work.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: fs: remove KSTAT_QUERY_FLAGS fs: remove vfs_stat_set_lookup_flags fs: move vfs_fstatat out of line fs: implement vfs_stat and vfs_lstat in terms of vfs_fstatat fs: remove vfs_statx_fd fs: omfs: use kmemdup() rather than kmalloc+memcpy [PATCH] reduce boilerplate in fsid handling fs: Remove duplicated flag O_NDELAY occurring twice in VALID_OPEN_FLAGS selftests: mount: add nosymfollow tests Add a "nosymfollow" mount option.
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