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2021-06-22tc-testing: fix list handlingMarcelo Ricardo Leitner1-1/+1
python lists don't have an 'add' method, but 'append'. Fixes: 14e5175e9e04 ("tc-testing: introduce scapyPlugin for basic traffic") Signed-off-by: Marcelo Ricardo Leitner <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2021-06-22selftests: mptcp: display proper reason to abort testsMatthieu Baerts1-16/+36
Without this modification, we were often displaying this error messages: FAIL: Could not even run loopback test But $ret could have been set to a non 0 value in many different cases: - net.mptcp.enabled=0 is not working as expected - setsockopt(..., TCP_ULP, "mptcp", ...) is allowed - ping between each netns are failing - tests between ns1 as a receiver and ns>1 are failing - other tests not involving ns1 as a receiver are failing So not only for the loopback test. Now a clearer message, including the time it took to run all tests, is displayed. Signed-off-by: Matthieu Baerts <[email protected]> Signed-off-by: Mat Martineau <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2021-06-22selftests: futex: Add futex compare requeue testAndré Almeida4-1/+142
Add testing for futex_cmp_requeue(). The first test just requeues from one waiter to another one, and wakes it. The second performs both wake and requeue, and checks the return values to see if the operation woke/requeued the expected number of waiters. Signed-off-by: André Almeida <[email protected]> Signed-off-by: Thomas Gleixner <[email protected]> Acked-by: Davidlohr Bueso <[email protected]> Link: https://lore.kernel.org/r/[email protected]
2021-06-22selftests: futex: Add futex wait testAndré Almeida4-1/+177
There are three different strategies to uniquely identify a futex in the kernel: - Private futexes: uses the pointer to mm_struct and the page address - Shared futexes: checks if the page containing the address is a PageAnon: - If it is, uses the same data as a private futexes - If it isn't, uses an inode sequence number from struct inode and the page's index Create a selftest to check those three paths and basic wait/wake mechanism. Signed-off-by: André Almeida <[email protected]> Signed-off-by: Thomas Gleixner <[email protected]> Acked-by: Davidlohr Bueso <[email protected]> Link: https://lore.kernel.org/r/[email protected]
2021-06-22Merge branch kvm-arm64/selftest/sysreg-list-fix into kvmarm-master/nextMarc Zyngier4-123/+321
Selftest updates from Andrew Jones, fixing the sysgreg list expectations by dealing with multiple configurations, such as with or without a PMU. * kvm-arm64/selftest/sysreg-list-fix: KVM: arm64: Update MAINTAINERS to include selftests KVM: arm64: selftests: get-reg-list: Split base and pmu registers KVM: arm64: selftests: get-reg-list: Remove get-reg-list-sve KVM: arm64: selftests: get-reg-list: Provide config selection option KVM: arm64: selftests: get-reg-list: Prepare to run multiple configs at once KVM: arm64: selftests: get-reg-list: Introduce vcpu configs
2021-06-22KVM: arm64: selftests: get-reg-list: Split base and pmu registersAndrew Jones1-8/+31
Since KVM commit 11663111cd49 ("KVM: arm64: Hide PMU registers from userspace when not available") the get-reg-list* tests have been failing with ... ... There are 74 missing registers. The following lines are missing registers: ... where the 74 missing registers are all PMU registers. This isn't a bug in KVM that the selftest found, even though it's true that a KVM userspace that wasn't setting the KVM_ARM_VCPU_PMU_V3 VCPU flag, but still expecting the PMU registers to be in the reg-list, would suddenly no longer have their expectations met. In that case, the expectations were wrong, though, so that KVM userspace needs to be fixed, and so does this selftest. The fix for this selftest is to pull the PMU registers out of the base register sublist into their own sublist and then create new, pmu-enabled vcpu configs which can be tested. Signed-off-by: Andrew Jones <[email protected]> Reviewed-by: Ricardo Koller <[email protected]> Signed-off-by: Marc Zyngier <[email protected]> Link: https://lore.kernel.org/r/[email protected]
2021-06-22KVM: arm64: selftests: get-reg-list: Remove get-reg-list-sveAndrew Jones4-15/+21
Now that we can easily run the test for multiple vcpu configs, let's merge get-reg-list and get-reg-list-sve into just get-reg-list. We also add a final change to make it more possible to run multiple tests, which is to fork the test, rather than directly run it. That allows a test to fail, but subsequent tests can still run. Signed-off-by: Andrew Jones <[email protected]> Reviewed-by: Ricardo Koller <[email protected]> Signed-off-by: Marc Zyngier <[email protected]> Link: https://lore.kernel.org/r/[email protected]
2021-06-22KVM: arm64: selftests: get-reg-list: Provide config selection optionAndrew Jones1-3/+53
Add a new command line option that allows the user to select a specific configuration, e.g. --config=sve will give the sve config. Also provide help text and the --help/-h options. Signed-off-by: Andrew Jones <[email protected]> Reviewed-by: Ricardo Koller <[email protected]> Signed-off-by: Marc Zyngier <[email protected]> Link: https://lore.kernel.org/r/[email protected]
2021-06-22KVM: arm64: selftests: get-reg-list: Prepare to run multiple configs at onceAndrew Jones1-17/+51
We don't want to have to create a new binary for each vcpu config, so prepare to run the test for multiple vcpu configs in a single binary. We do this by factoring out the test from main() and then looping over configs. When given '--list' we still never print more than a single reg-list for a single vcpu config though, because it would be confusing otherwise. No functional change intended. Signed-off-by: Andrew Jones <[email protected]> Reviewed-by: Ricardo Koller <[email protected]> Signed-off-by: Marc Zyngier <[email protected]> Link: https://lore.kernel.org/r/[email protected]
2021-06-22KVM: arm64: selftests: get-reg-list: Introduce vcpu configsAndrew Jones1-90/+175
We already break register lists into sublists that get selected based on vcpu config. However, since we only had two configs (vregs and sve), we didn't structure the code very well to manage them. Restructure it now to more cleanly handle register sublists that are dependent on the vcpu config. This patch has no intended functional change (except for the vcpu config name now being prepended to all output). Signed-off-by: Andrew Jones <[email protected]> Reviewed-by: Ricardo Koller <[email protected]> Signed-off-by: Marc Zyngier <[email protected]> Link: https://lore.kernel.org/r/[email protected]
2021-06-21selftests: tls: fix chacha+bidir testsJakub Kicinski1-28/+39
ChaCha support did not adjust the bidirectional test. We need to set up KTLS in reverse direction correctly, otherwise these two cases will fail: tls.12_chacha.bidir tls.13_chacha.bidir Fixes: 4f336e88a870 ("selftests/tls: add CHACHA20-POLY1305 to tls selftests") Signed-off-by: Jakub Kicinski <[email protected]> Acked-by: Vadim Fedorenko <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2021-06-21selftests: tls: clean up uninitialized warningsJakub Kicinski1-0/+20
A bunch of tests uses uninitialized stack memory as random data to send. This is harmless but generates compiler warnings. Explicitly init the buffers with random data. Signed-off-by: Jakub Kicinski <[email protected]> Acked-by: Vadim Fedorenko <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2021-06-21selftests/bpf: Retry for EAGAIN in udp_redir_to_connected()Cong Wang1-1/+6
We use non-blocking sockets for testing sockmap redirections, and got some random EAGAIN errors from UDP tests. There is no guarantee the packet would be immediately available to receive as soon as it is sent out, even on the local host. For UDP, this is especially true because it does not lock the sock during BH (unlike the TCP path). This is probably why we only saw this error in UDP cases. No matter how hard we try to make the queue empty check accurate, it is always possible for recvmsg() to beat ->sk_data_ready(). Therefore, we should just retry in case of EAGAIN. Fixes: d6378af615275 ("selftests/bpf: Add a test case for udp sockmap") Reported-by: Jiang Wang <[email protected]> Signed-off-by: Cong Wang <[email protected]> Signed-off-by: Daniel Borkmann <[email protected]> Acked-by: John Fastabend <[email protected]> Acked-by: Jakub Sitnicki <[email protected]> Link: https://lore.kernel.org/bpf/[email protected]
2021-06-18Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/netJakub Kicinski33-200/+1929
Trivial conflicts in net/can/isotp.c and tools/testing/selftests/net/mptcp/mptcp_connect.sh scaled_ppm_to_ppb() was moved from drivers/ptp/ptp_clock.c to include/linux/ptp_clock_kernel.h in -next so re-apply the fix there. Signed-off-by: Jakub Kicinski <[email protected]>
2021-06-18Merge tag 'net-5.13-rc7' of ↵Linus Torvalds15-15/+386
git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net Pull networking fixes from Jakub Kicinski: "Networking fixes for 5.13-rc7, including fixes from wireless, bpf, bluetooth, netfilter and can. Current release - regressions: - mlxsw: spectrum_qdisc: Pass handle, not band number to find_class() to fix modifying offloaded qdiscs - lantiq: net: fix duplicated skb in rx descriptor ring - rtnetlink: fix regression in bridge VLAN configuration, empty info is not an error, bot-generated "fix" was not needed - libbpf: s/rx/tx/ typo on umem->rx_ring_setup_done to fix umem creation Current release - new code bugs: - ethtool: fix NULL pointer dereference during module EEPROM dump via the new netlink API - mlx5e: don't update netdev RQs with PTP-RQ, the special purpose queue should not be visible to the stack - mlx5e: select special PTP queue only for SKBTX_HW_TSTAMP skbs - mlx5e: verify dev is present in get devlink port ndo, avoid a panic Previous releases - regressions: - neighbour: allow NUD_NOARP entries to be force GCed - further fixes for fallout from reorg of WiFi locking (staging: rtl8723bs, mac80211, cfg80211) - skbuff: fix incorrect msg_zerocopy copy notifications - mac80211: fix NULL ptr deref for injected rate info - Revert "net/mlx5: Arm only EQs with EQEs" it may cause missed IRQs Previous releases - always broken: - bpf: more speculative execution fixes - netfilter: nft_fib_ipv6: skip ipv6 packets from any to link-local - udp: fix race between close() and udp_abort() resulting in a panic - fix out of bounds when parsing TCP options before packets are validated (in netfilter: synproxy, tc: sch_cake and mptcp) - mptcp: improve operation under memory pressure, add missing wake-ups - mptcp: fix double-lock/soft lookup in subflow_error_report() - bridge: fix races (null pointer deref and UAF) in vlan tunnel egress - ena: fix DMA mapping function issues in XDP - rds: fix memory leak in rds_recvmsg Misc: - vrf: allow larger MTUs - icmp: don't send out ICMP messages with a source address of 0.0.0.0 - cdc_ncm: switch to eth%d interface naming" * tag 'net-5.13-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (139 commits) net: ethernet: fix potential use-after-free in ec_bhf_remove selftests/net: Add icmp.sh for testing ICMP dummy address responses icmp: don't send out ICMP messages with a source address of 0.0.0.0 net: ll_temac: Avoid ndo_start_xmit returning NETDEV_TX_BUSY net: ll_temac: Fix TX BD buffer overwrite net: ll_temac: Add memory-barriers for TX BD access net: ll_temac: Make sure to free skb when it is completely used MAINTAINERS: add Guvenc as SMC maintainer bnxt_en: Call bnxt_ethtool_free() in bnxt_init_one() error path bnxt_en: Fix TQM fastpath ring backing store computation bnxt_en: Rediscover PHY capabilities after firmware reset cxgb4: fix wrong shift. mac80211: handle various extensible elements correctly mac80211: reset profile_periodicity/ema_ap cfg80211: avoid double free of PMSR request cfg80211: make certificate generation more robust mac80211: minstrel_ht: fix sample time check net: qed: Fix memcpy() overflow of qed_dcbx_params() net: cdc_eem: fix tx fixup skb leak net: hamradio: fix memory leak in mkiss_close ...
2021-06-18selftests/net: Add icmp.sh for testing ICMP dummy address responsesToke Høiland-Jørgensen1-0/+74
This adds a new icmp.sh selftest for testing that the kernel will respond correctly with an ICMP unreachable message with the dummy (192.0.0.8) source address when there are no IPv4 addresses configured to use as source addresses. Signed-off-by: Toke Høiland-Jørgensen <[email protected]> Reviewed-by: David Ahern <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2021-06-18selftests: mptcp: enable checksum in mptcp_join.shGeliang Tang1-4/+103
This patch added a new argument "-C" for the mptcp_join.sh script to set the sysctl checksum_enabled to 1 in ns1 and ns2 to enable the data checksum. In chk_join_nr, check the counter of the mib for the data checksum. Also added a new argument "-S" for the mptcp_join.sh script to start the test cases that verify the checksum handshake: * Sender and listener both have checksums off * Sender and listener both have checksums on * Sender checksums off, listener checksums on * Sender checksums on, listener checksums off The output looks like this: 01 checksum test 0 0 sum[ ok ] - csum [ ok ] 02 checksum test 1 1 sum[ ok ] - csum [ ok ] 03 checksum test 0 1 sum[ ok ] - csum [ ok ] 04 checksum test 1 0 sum[ ok ] - csum [ ok ] 05 no JOIN syn[ ok ] - synack[ ok ] - ack[ ok ] sum[ ok ] - csum [ ok ] 06 single subflow, limited by client syn[ ok ] - synack[ ok ] - ack[ ok ] sum[ ok ] - csum [ ok ] Acked-by: Paolo Abeni <[email protected]> Signed-off-by: Geliang Tang <[email protected]> Signed-off-by: Mat Martineau <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2021-06-18selftests: mptcp: enable checksum in mptcp_connect.shGeliang Tang1-1/+12
This patch added a new argument "-C" for the mptcp_connect.sh script to set the sysctl checksum_enabled to 1 in ns1, ns2, ns3 and ns4 to enable the data checksum. Acked-by: Paolo Abeni <[email protected]> Signed-off-by: Geliang Tang <[email protected]> Signed-off-by: Mat Martineau <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2021-06-18selftests: seg6: add selftest for SRv6 End.DT46 BehaviorAndrea Mayer1-0/+573
this selftest is designed for evaluating the new SRv6 End.DT46 Behavior used, in this example, for implementing IPv4/IPv6 L3 VPN use cases. Signed-off-by: Andrea Mayer <[email protected]> Signed-off-by: Paolo Lungaroni <[email protected]> Acked-by: David Ahern <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2021-06-18Merge branch 'sched/urgent' into sched/core, to resolve conflictsIngo Molnar9-21/+63
This commit in sched/urgent moved the cfs_rq_is_decayed() function: a7b359fc6a37: ("sched/fair: Correctly insert cfs_rq's to list on unthrottle") and this fresh commit in sched/core modified it in the old location: 9e077b52d86a: ("sched/pelt: Check that *_avg are null when *_sum are") Merge the two variants. Conflicts: kernel/sched/fair.c Signed-off-by: Ingo Molnar <[email protected]>
2021-06-17selftests/bpf: Fix ringbuf test fetching map FDAndrii Nakryiko1-1/+1
Seems like 4d1b62986125 ("selftests/bpf: Convert few tests to light skeleton.") and 704e2beba23c ("selftests/bpf: Test ringbuf mmap read-only and read-write restrictions") were done independently on bpf and bpf-next trees and are in conflict with each other, despite a clean merge. Fix fetching of ringbuf's map_fd to use light skeleton properly. Fixes: 704e2beba23c ("selftests/bpf: Test ringbuf mmap read-only and read-write restrictions") Fixes: 4d1b62986125 ("selftests/bpf: Convert few tests to light skeleton.") Signed-off-by: Andrii Nakryiko <[email protected]> Signed-off-by: Alexei Starovoitov <[email protected]> Link: https://lore.kernel.org/bpf/[email protected]
2021-06-17Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvmLinus Torvalds2-20/+20
Pull kvm fixes from Paolo Bonzini: "Miscellaneous bugfixes. The main interesting one is a NULL pointer dereference reported by syzkaller ("KVM: x86: Immediately reset the MMU context when the SMM flag is cleared")" * tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: KVM: selftests: Fix kvm_check_cap() assertion KVM: x86/mmu: Calculate and check "full" mmu_role for nested MMU KVM: X86: Fix x86_emulator slab cache leak KVM: SVM: Call SEV Guest Decommission if ASID binding fails KVM: x86: Immediately reset the MMU context when the SMM flag is cleared KVM: x86: Fix fall-through warnings for Clang KVM: SVM: fix doc warnings KVM: selftests: Fix compiling errors when initializing the static structure kvm: LAPIC: Restore guard to prevent illegal APIC register access
2021-06-17Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-nextDavid S. Miller83-441/+1931
Daniel Borkmann says: ==================== pull-request: bpf-next 2021-06-17 The following pull-request contains BPF updates for your *net-next* tree. We've added 50 non-merge commits during the last 25 day(s) which contain a total of 148 files changed, 4779 insertions(+), 1248 deletions(-). The main changes are: 1) BPF infrastructure to migrate TCP child sockets from a listener to another in the same reuseport group/map, from Kuniyuki Iwashima. 2) Add a provably sound, faster and more precise algorithm for tnum_mul() as noted in https://arxiv.org/abs/2105.05398, from Harishankar Vishwanathan. 3) Streamline error reporting changes in libbpf as planned out in the 'libbpf: the road to v1.0' effort, from Andrii Nakryiko. 4) Add broadcast support to xdp_redirect_map(), from Hangbin Liu. 5) Extends bpf_map_lookup_and_delete_elem() functionality to 4 more map types, that is, {LRU_,PERCPU_,LRU_PERCPU_,}HASH, from Denis Salopek. 6) Support new LLVM relocations in libbpf to make them more linker friendly, also add a doc to describe the BPF backend relocations, from Yonghong Song. 7) Silence long standing KUBSAN complaints on register-based shifts in interpreter, from Daniel Borkmann and Eric Biggers. 8) Add dummy PT_REGS macros in libbpf to fail BPF program compilation when target arch cannot be determined, from Lorenz Bauer. 9) Extend AF_XDP to support large umems with 1M+ pages, from Magnus Karlsson. 10) Fix two minor libbpf tc BPF API issues, from Kumar Kartikeya Dwivedi. 11) Move libbpf BPF_SEQ_PRINTF/BPF_SNPRINTF macros that can be used by BPF programs to bpf_helpers.h header, from Florent Revest. ==================== Signed-off-by: David S. Miller <[email protected]>
2021-06-17KVM: selftests: evmcs_test: Test that KVM_STATE_NESTED_EVMCS is never lostVitaly Kuznetsov1-26/+38
Do KVM_GET_NESTED_STATE/KVM_SET_NESTED_STATE for a freshly restored VM (before the first KVM_RUN) to check that KVM_STATE_NESTED_EVMCS is not lost. Reviewed-by: Maxim Levitsky <[email protected]> Signed-off-by: Vitaly Kuznetsov <[email protected]> Signed-off-by: Paolo Bonzini <[email protected]> Message-Id: <[email protected]> Signed-off-by: Paolo Bonzini <[email protected]>
2021-06-17KVM: selftests: Introduce hyperv_features testVitaly Kuznetsov4-0/+817
The initial implementation of the test only tests that access to Hyper-V MSRs and hypercalls is in compliance with guest visible CPUID feature bits. Signed-off-by: Vitaly Kuznetsov <[email protected]> Signed-off-by: Paolo Bonzini <[email protected]> Message-Id: <[email protected]> Signed-off-by: Paolo Bonzini <[email protected]>
2021-06-17KVM: selftests: Move evmcs.h to x86_64/Vitaly Kuznetsov1-1/+1
evmcs.h is x86_64 only thing, move it to x86_64/ subdirectory. Signed-off-by: Vitaly Kuznetsov <[email protected]> Signed-off-by: Paolo Bonzini <[email protected]> Message-Id: <[email protected]> Signed-off-by: Paolo Bonzini <[email protected]>
2021-06-17KVM: selftests: move Hyper-V MSR definitions to hyperv.hVitaly Kuznetsov2-7/+20
These defines can be shared by multiple tests, move them to a dedicated header. Signed-off-by: Vitaly Kuznetsov <[email protected]> Signed-off-by: Paolo Bonzini <[email protected]> Message-Id: <[email protected]> Signed-off-by: Paolo Bonzini <[email protected]>
2021-06-17KVM: selftests: Introduce x2APIC register manipulation functionsJim Mattson3-5/+14
Standardize reads and writes of the x2APIC MSRs. Signed-off-by: Jim Mattson <[email protected]> Reviewed-by: Oliver Upton <[email protected]> Message-Id: <[email protected]> Signed-off-by: Paolo Bonzini <[email protected]>
2021-06-17KVM: selftests: Hoist APIC functions out of individual testsJim Mattson7-66/+83
Move the APIC functions into the library to encourage code reuse and to avoid unintended deviations. Signed-off-by: Jim Mattson <[email protected]> Reviewed-by: Oliver Upton <[email protected]> Message-Id: <[email protected]> Signed-off-by: Paolo Bonzini <[email protected]>
2021-06-17KVM: selftests: Move APIC definitions into a separate fileJim Mattson3-47/+59
Processor.h is a hodgepodge of definitions. Though the local APIC is technically built into the CPU these days, move the APIC definitions into a new header file: apic.h. Signed-off-by: Jim Mattson <[email protected]> Reviewed-by: Oliver Upton <[email protected]> Message-Id: <[email protected]> Signed-off-by: Paolo Bonzini <[email protected]>
2021-06-17KVM: selftests: x86: Add vmx_nested_tsc_scaling_testIlias Stamatis3-0/+244
Test that nested TSC scaling works as expected with both L1 and L2 scaled. Signed-off-by: Ilias Stamatis <[email protected]> Reviewed-by: Maxim Levitsky <[email protected]> Message-Id: <[email protected]> Signed-off-by: Paolo Bonzini <[email protected]>
2021-06-17KVM: selftests: Fix kvm_check_cap() assertionFuad Tabba1-1/+1
KVM_CHECK_EXTENSION ioctl can return any negative value on error, and not necessarily -1. Change the assertion to reflect that. Signed-off-by: Fuad Tabba <[email protected]> Message-Id: <[email protected]> Signed-off-by: Paolo Bonzini <[email protected]>
2021-06-17selftests/bpf: Fix selftests build with old system-wide headersAndrii Nakryiko1-0/+4
migrate_reuseport.c selftest relies on having TCP_FASTOPEN_CONNECT defined in system-wide netinet/tcp.h. Selftests can use up-to-date uapi/linux/tcp.h, but that one doesn't have SOL_TCP. So instead of switching everything to uapi header, add #define for TCP_FASTOPEN_CONNECT to fix the build. Fixes: c9d0bdef89a6 ("bpf: Test BPF_SK_REUSEPORT_SELECT_OR_MIGRATE.") Signed-off-by: Andrii Nakryiko <[email protected]> Signed-off-by: Daniel Borkmann <[email protected]> Acked-by: Kuniyuki Iwashima <[email protected]> Link: https://lore.kernel.org/bpf/[email protected]
2021-06-16selftests/bpf: Whitelist test_progs.h from .gitignoreDaniel Xu1-0/+1
Somehow test_progs.h was being included by the existing rule: /test_progs* This is bad because: 1) test_progs.h is a checked in file 2) grep-like tools like ripgrep[0] respect gitignore and test_progs.h was being hidden from searches [0]: https://github.com/BurntSushi/ripgrep Fixes: 74b5a5968fe8 ("selftests/bpf: Replace test_progs and test_maps w/ general rule") Signed-off-by: Daniel Xu <[email protected]> Signed-off-by: Andrii Nakryiko <[email protected]> Link: https://lore.kernel.org/bpf/a46f64944bf678bc652410ca6028d3450f4f7f4b.1623880296.git.dxu@dxuuu.xyz
2021-06-16selftests: net: use bash to run udpgro_fwd test caseAndrea Righi1-1/+1
udpgro_fwd.sh contains many bash specific operators ("[[", "local -r"), but it's using /bin/sh; in some distro /bin/sh is mapped to /bin/dash, that doesn't support such operators. Force the test to use /bin/bash explicitly and prevent false positive test failures. Signed-off-by: Andrea Righi <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2021-06-16selftests: net: veth: make test compatible with dashAndrea Righi1-2/+3
veth.sh is a shell script that uses /bin/sh; some distro (Ubuntu for example) use dash as /bin/sh and in this case the test reports the following error: # ./veth.sh: 21: local: -r: bad variable name # ./veth.sh: 21: local: -r: bad variable name This happens because dash doesn't support the option "-r" with local. Moreover, in case of missing bpf object, the script is exiting -1, that is an illegal number for dash: exit: Illegal number: -1 Change the script to be compatible both with bash and dash and prevent the errors above. Signed-off-by: Andrea Righi <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2021-06-17selftests/powerpc: EBB selftest for MMCR0 control for PMU SPRs in ISA v3.1Athira Rajeev2-1/+64
With the MMCR0 control bit (PMCCEXT) in ISA v3.1, read access to group B registers is restricted when MMCR0 PMCC=0b00. In other platforms (like power9), the older behaviour works where group B PMU SPRs are readable. Patch creates a selftest which verifies that the test takes a SIGILL when attempting to read PMU registers via helper function "dump_ebb_state" for ISA v3.1. Signed-off-by: Athira Rajeev <[email protected]> Tested-by: Nageswara R Sastry <[email protected] <mailto:[email protected]>> Signed-off-by: Michael Ellerman <[email protected]> Link: https://lore.kernel.org/r/[email protected]
2021-06-17selftests/powerpc: Fix "no_handler" EBB selftestAthira Rajeev1-2/+0
The "no_handler_test" in ebb selftests attempts to read the PMU registers twice via helper function "dump_ebb_state". First dump is just before closing of event and the second invocation is done after closing of the event. The original intention of second dump_ebb_state was to dump the state of registers at the end of the test when the counters are frozen. But this will be achieved with the first call itself since sample period is set to low value and PMU will be frozen by then. Hence patch removes the dump which was done before closing of the event. Reported-by: Shirisha Ganta <[email protected]> Signed-off-by: Athira Rajeev <[email protected]> Tested-by: Nageswara R Sastry <[email protected] <mailto:[email protected]>> Signed-off-by: Michael Ellerman <[email protected]> Link: https://lore.kernel.org/r/[email protected]
2021-06-17powerpc/selftests: Use gettid() instead of getppid() for null_syscallChristophe Leroy1-1/+2
gettid() is 10% lighter than getppid(), use it for null_syscall selftest. Signed-off-by: Christophe Leroy <[email protected]> Signed-off-by: Michael Ellerman <[email protected]> Link: https://lore.kernel.org/r/0ad62673d3e063f848e7c99d719bb966efd433e8.1622809833.git.christophe.leroy@csgroup.eu
2021-06-15selftests/sgx: Refine the test enclave to have storageJarkko Sakkinen4-15/+74
Extend the enclave to have two operations: ENCL_OP_PUT and ENCL_OP_GET. ENCL_OP_PUT stores value inside the enclave address space and ENCL_OP_GET reads it. The internal buffer can be later extended to be variable size, and allow reclaimer tests. Signed-off-by: Jarkko Sakkinen <[email protected]> Signed-off-by: Shuah Khan <[email protected]>
2021-06-15selftests/sgx: Add EXPECT_EEXIT() macroJarkko Sakkinen1-3/+11
Add EXPECT_EEXIT() macro, which will conditionally print the exception information, in addition to EXPECT_EQ(self->run.function, EEXIT); Signed-off-by: Jarkko Sakkinen <[email protected]> Signed-off-by: Shuah Khan <[email protected]>
2021-06-15selftests/sgx: Dump enclave memory mapJarkko Sakkinen1-0/+14
Often, it's useful to check whether /proc/self/maps looks sane when dealing with memory mapped objects, especially when they are JIT'ish dynamically constructed objects. Therefore, dump "/dev/sgx_enclave" matching lines from the memory map in FIXTURE_SETUP(). Signed-off-by: Jarkko Sakkinen <[email protected]> Signed-off-by: Shuah Khan <[email protected]>
2021-06-15Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpfDavid S. Miller8-8/+53
Daniel Borkmann says: ==================== pull-request: bpf 2021-06-15 The following pull-request contains BPF updates for your *net* tree. We've added 5 non-merge commits during the last 11 day(s) which contain a total of 10 files changed, 115 insertions(+), 16 deletions(-). The main changes are: 1) Fix marking incorrect umem ring as done in libbpf's xsk_socket__create_shared() helper, from Kev Jackson. 2) Fix oob leakage under a spectre v1 type confusion attack, from Daniel Borkmann. ==================== Signed-off-by: David S. Miller <[email protected]>
2021-06-15selftests/sgx: Migrate to kselftest harnessJarkko Sakkinen2-88/+92
Migrate to kselftest harness. Use a fixture test with enclave initialized and de-initialized for each of the existing three tests, in other words: 1. One FIXTURE() for managing the enclave life-cycle. 2. Three TEST_F()'s, one for each test case. Dump lines of /proc/self/maps matching "sgx" in FIXTURE_SETUP() as this can be very useful debugging information later on. Amended commit log: This migration changes the output of this test. Instead of skipping the tests if open /dev/sgx_enclave fails, it will run all the tests and report failures on all of them. Shuah Khan <[email protected]> Signed-off-by: Jarkko Sakkinen <[email protected]> Signed-off-by: Shuah Khan <[email protected]>
2021-06-15selftests/sgx: Rename 'eenter' and 'sgx_call_vdso'Jarkko Sakkinen3-17/+18
Rename symbols for better clarity: * 'eenter' might be confused for directly calling ENCLU[EENTER]. It does not. It calls into the VDSO, which actually has the EENTER instruction. * 'sgx_call_vdso' is *only* used for entering the enclave. It's not some generic SGX call into the VDSO. Signed-off-by: Jarkko Sakkinen <[email protected]> Signed-off-by: Shuah Khan <[email protected]>
2021-06-15bpf: Test BPF_SK_REUSEPORT_SELECT_OR_MIGRATE.Kuniyuki Iwashima4-1/+692
This patch adds a test for BPF_SK_REUSEPORT_SELECT_OR_MIGRATE and removes 'static' from settimeo() in network_helpers.c. Signed-off-by: Kuniyuki Iwashima <[email protected]> Signed-off-by: Daniel Borkmann <[email protected]> Reviewed-by: Eric Dumazet <[email protected]> Acked-by: Martin KaFai Lau <[email protected]> Link: https://lore.kernel.org/bpf/[email protected]
2021-06-16Merge branch 'fixes' into nextMichael Ellerman1-9/+18
Merge our fixes branch which has a number of important fixes, notably the fix for initrd corruption, as well as the fixes for scv vs ptrace.
2021-06-15selftests/powerpc: Remove the repeated declarationShaokun Zhang1-2/+0
Function 'event_ebb_init' and 'event_leader_ebb_init' are declared twice in the header file, so remove the repeated declaration. Signed-off-by: Shaokun Zhang <[email protected]> Signed-off-by: Michael Ellerman <[email protected]> Link: https://lore.kernel.org/r/[email protected]
2021-06-14bpf, selftests: Adjust few selftest outcomes wrt unreachable codeDaniel Borkmann8-8/+53
In almost all cases from test_verifier that have been changed in here, we've had an unreachable path with a load from a register which has an invalid address on purpose. This was basically to make sure that we never walk this path and to have the verifier complain if it would otherwise. Change it to match on the right error for unprivileged given we now test these paths under speculative execution. There's one case where we match on exact # of insns_processed. Due to the extra path, this will of course mismatch on unprivileged. Thus, restrict the test->insn_processed check to privileged-only. In one other case, we result in a 'pointer comparison prohibited' error. This is similarly due to verifying an 'invalid' branch where we end up with a value pointer on one side of the comparison. Signed-off-by: Daniel Borkmann <[email protected]> Reviewed-by: John Fastabend <[email protected]> Acked-by: Alexei Starovoitov <[email protected]>
2021-06-14testing: selftests: drivers: net: netdevsim: devlink: add test case for hard ↵Oleksandr Mazur1-0/+10
drop statistics Add hard drop counter check testcase, to make sure netdevsim driver properly handles the devlink hard drop counters get/set callbacks. Signed-off-by: Oleksandr Mazur <[email protected]> Signed-off-by: David S. Miller <[email protected]>
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