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2021-06-24KVM: selftests: Fix mapping length truncation in m{,un}map()Zenghui Yu
max_mem_slots is now declared as uint32_t. The result of (0x200000 * 32767) is unexpectedly truncated to be 0xffe00000, whilst we actually need to allocate about, 63GB. Cast max_mem_slots to size_t in both mmap() and munmap() to fix the length truncation. We'll otherwise see the failure on arm64 thanks to the access_ok() checking in __kvm_set_memory_region(), as the unmapped VA happen to go beyond the task's allowed address space. # ./set_memory_region_test Allowed number of memory slots: 32767 Adding slots 0..32766, each memory region with 2048K size ==== Test Assertion Failure ==== set_memory_region_test.c:391: ret == 0 pid=94861 tid=94861 errno=22 - Invalid argument 1 0x00000000004015a7: test_add_max_memory_regions at set_memory_region_test.c:389 2 (inlined by) main at set_memory_region_test.c:426 3 0x0000ffffb8e67bdf: ?? ??:0 4 0x00000000004016db: _start at :? KVM_SET_USER_MEMORY_REGION IOCTL failed, rc: -1 errno: 22 slot: 2615 Fixes: 3bf0fcd75434 ("KVM: selftests: Speed up set_memory_region_test") Signed-off-by: Zenghui Yu <yuzenghui@huawei.com> Message-Id: <20210624070931.565-1-yuzenghui@huawei.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2021-06-23selftests/sgx: remove checks for file execute permissionsDave Hansen
The SGX selftests can fail for a bunch of non-obvious reasons like 'noexec' permissions on /dev (which is the default *EVERYWHERE* it seems). A new test mistakenly also looked for +x permission on the /dev/sgx_enclave. File execute permissions really only apply to the ability of execve() to work on a file, *NOT* on the ability for an application to map the file with PROT_EXEC. SGX needs to mmap(PROT_EXEC), but doesn't need to execve() the device file. Remove the check. Fixes: 4284f7acb78b ("selftests/sgx: Improve error detection and messages") Reported-by: Tim Gardner <tim.gardner@canonical.com> Cc: Jarkko Sakkinen <jarkko@kernel.org> Cc: Reinette Chatre <reinette.chatre@intel.com> Cc: Dave Hansen <dave.hansen@linux.intel.com> Cc: Shuah Khan <shuah@kernel.org> Cc: linux-sgx@vger.kernel.org Cc: linux-kselftest@vger.kernel.org Cc: linux-kernel@vger.kernel.org Tested-by: Reinette Chatre <reinette.chatre@intel.com> Signed-off-by: Dave Hansen <dave.hansen@linux.intel.com> Reviewed-by: Jarkko Sakkinen <jarkko@kernel.org> Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
2021-06-23selftests/ftrace: fix event-no-pid on 1-core machineKrzysztof Kozlowski
When running event-no-pid test on small machines (e.g. cloud 1-core instance), other events might not happen: + cat trace + cnt=0 + [ 0 -eq 0 ] + fail No other events were recorded [15] event tracing - restricts events based on pid notrace filtering [FAIL] Schedule a simple sleep task to be sure that some other process events get recorded. Fixes: ebed9628f5c2 ("selftests/ftrace: Add test to test new set_event_notrace_pid file") Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com> Acked-by: Steven Rostedt (VMware) <rostedt@goodmis.org> Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
2021-06-23kunit: Remove the unused all_tests.configDavid Gow
This isn't used anywhere. While it's possible that people were manually referencing it, the new default config (in default.config in the same path) provides equivalent functionality. Signed-off-by: David Gow <davidgow@google.com> Reviewed-by: Brendan Higgins <brendanhiggins@google.com> Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
2021-06-23kunit: Move default config from arch/um -> tools/testing/kunitDavid Gow
The default .kunitconfig file is currently kept in arch/um/configs/kunit_defconfig, but -- with the impending QEMU patch -- will no-longer be exclusively used for UML-based kernels. Move it alongside the other KUnit configs in tools/testing/kunit/configs, and give it a name which matches the existing all_tests.config and broken_on_uml.config files. Also update the Getting Started documentation to point to the new file. Signed-off-by: David Gow <davidgow@google.com> Reviewed-by: Brendan Higgins <brendanhiggins@google.com> Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
2021-06-23Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpfDavid S. Miller
Daniel Borkmann says: ==================== pull-request: bpf 2021-06-23 The following pull-request contains BPF updates for your *net* tree. We've added 14 non-merge commits during the last 6 day(s) which contain a total of 13 files changed, 137 insertions(+), 64 deletions(-). Note that when you merge net into net-next, there is a small merge conflict between 9f2470fbc4cb ("skmsg: Improve udp_bpf_recvmsg() accuracy") from bpf with c49661aa6f70 ("skmsg: Remove unused parameters of sk_msg_wait_data()") from net-next. Resolution is to: i) net/ipv4/udp_bpf.c: take udp_msg_wait_data() and remove err parameter from the function, ii) net/ipv4/tcp_bpf.c: take tcp_msg_wait_data() and remove err parameter from the function, iii) for net/core/skmsg.c and include/linux/skmsg.h: remove the sk_msg_wait_data() implementation and its prototype in header. The main changes are: 1) Fix BPF poke descriptor adjustments after insn rewrite, from John Fastabend. 2) Fix regression when using BPF_OBJ_GET with non-O_RDWR flags, from Maciej Żenczykowski. 3) Various bug and error handling fixes for UDP-related sock_map, from Cong Wang. 4) Fix patching of vmlinux BTF IDs with correct endianness, from Tony Ambardar. 5) Two fixes for TX descriptor validation in AF_XDP, from Magnus Karlsson. 6) Fix overflow in size calculation for bpf_map_area_alloc(), from Bui Quang Minh. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2021-06-23selftests: icmp_redirect: support expected failuresAndrea Righi
According to a comment in commit 99513cfa16c6 ("selftest: Fixes for icmp_redirect test") the test "IPv6: mtu exception plus redirect" is expected to fail, because of a bug in the IPv6 logic that hasn't been fixed yet apparently. We should probably consider this failure as an "expected failure", therefore change the script to return XFAIL for that particular test and also report the total amount of expected failures at the end of the run. Signed-off-by: Andrea Righi <andrea.righi@canonical.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-06-23Merge x86/urgent into x86/fpuBorislav Petkov
Pick up dependent changes which either went mainline (x86/urgent is based on -rc7 and that contains them) as urgent fixes and the current x86/urgent branch which contains two more urgent fixes, so that the bigger FPU rework can base off ontop. Signed-off-by: Borislav Petkov <bp@suse.de>
2021-06-23Merge branch 'topic/ppc-kvm' of ↵Paolo Bonzini
https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux into HEAD - Support for the H_RPT_INVALIDATE hypercall - Conversion of Book3S entry/exit to C - Bug fixes
2021-06-22selftests: mptcp: turn rp_filter off on each NICYonglong Li
To turn rp_filter off we should: echo 0 > /proc/sys/net/ipv4/conf/default/rp_filter and echo 0 > /proc/sys/net/ipv4/conf/all/rp_filter before NIC created. Co-developed-by: Paolo Abeni <pabeni@redhat.com> Signed-off-by: Paolo Abeni <pabeni@redhat.com> Signed-off-by: Yonglong Li <liyonglong@chinatelecom.cn> Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-06-22selftests: mptcp: add deny_join_id0 testcasesGeliang Tang
This patch added a new argument '-d' for mptcp_join.sh script, to invoke the testcases for the MP_CAPABLE 'C' flag. Acked-by: Paolo Abeni <pabeni@redhat.com> Signed-off-by: Geliang Tang <geliangtang@gmail.com> Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-06-22tc-testing: add test for ct DNAT tuple collisionMarcelo Ricardo Leitner
When this test fails, /proc/net/nf_conntrack gets only 1 entry: ipv4 2 tcp 6 119 SYN_SENT src=10.0.0.10 dst=10.0.0.10 sport=5000 dport=10 [UNREPLIED] src=20.0.0.1 dst=10.0.0.10 sport=10 dport=5000 mark=0 secctx=system_u:object_r:unlabeled_t:s0 zone=0 use=2 When it works, it gets 2 entries: ipv4 2 tcp 6 119 SYN_SENT src=10.0.0.10 dst=10.0.0.20 sport=5000 dport=10 [UNREPLIED] src=20.0.0.1 dst=10.0.0.10 sport=10 dport=58203 mark=0 secctx=system_u:object_r:unlabeled_t:s0 zone=0 use=2 ipv4 2 tcp 6 119 SYN_SENT src=10.0.0.10 dst=10.0.0.10 sport=5000 dport=10 [UNREPLIED] src=20.0.0.1 dst=10.0.0.10 sport=10 dport=5000 mark=0 secctx=system_u:object_r:unlabeled_t:s0 zone=0 use=2 The missing entry is because the 2nd packet hits a tuple collusion and the conntrack entry doesn't get allocated. Signed-off-by: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-06-22tc-testing: add support for sending various scapy packetsMarcelo Ricardo Leitner
It can be worth sending different scapy packets on a given test, as in the last patch of this series. For that, lets listify the scapy attribute and simply iterate over it. Signed-off-by: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-06-22tc-testing: fix list handlingMarcelo Ricardo Leitner
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 <marcelo.leitner@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-06-22selftests: mptcp: display proper reason to abort testsMatthieu Baerts
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 <matthieu.baerts@tessares.net> Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-06-22selftests: futex: Add futex compare requeue testAndré Almeida
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 <andrealmeid@collabora.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Davidlohr Bueso <dbueso@suse.de> Link: https://lore.kernel.org/r/20210531165036.41468-3-andrealmeid@collabora.com
2021-06-22selftests: futex: Add futex wait testAndré Almeida
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 <andrealmeid@collabora.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Davidlohr Bueso <dbueso@suse.de> Link: https://lore.kernel.org/r/20210531165036.41468-2-andrealmeid@collabora.com
2021-06-22Merge branch kvm-arm64/selftest/sysreg-list-fix into kvmarm-master/nextMarc Zyngier
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 Jones
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 <drjones@redhat.com> Reviewed-by: Ricardo Koller <ricarkol@google.com> Signed-off-by: Marc Zyngier <maz@kernel.org> Link: https://lore.kernel.org/r/20210531103344.29325-6-drjones@redhat.com
2021-06-22KVM: arm64: selftests: get-reg-list: Remove get-reg-list-sveAndrew Jones
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 <drjones@redhat.com> Reviewed-by: Ricardo Koller <ricarkol@google.com> Signed-off-by: Marc Zyngier <maz@kernel.org> Link: https://lore.kernel.org/r/20210531103344.29325-5-drjones@redhat.com
2021-06-22KVM: arm64: selftests: get-reg-list: Provide config selection optionAndrew Jones
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 <drjones@redhat.com> Reviewed-by: Ricardo Koller <ricarkol@google.com> Signed-off-by: Marc Zyngier <maz@kernel.org> Link: https://lore.kernel.org/r/20210531103344.29325-4-drjones@redhat.com
2021-06-22KVM: arm64: selftests: get-reg-list: Prepare to run multiple configs at onceAndrew Jones
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 <drjones@redhat.com> Reviewed-by: Ricardo Koller <ricarkol@google.com> Signed-off-by: Marc Zyngier <maz@kernel.org> Link: https://lore.kernel.org/r/20210531103344.29325-3-drjones@redhat.com
2021-06-22KVM: arm64: selftests: get-reg-list: Introduce vcpu configsAndrew Jones
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 <drjones@redhat.com> Reviewed-by: Ricardo Koller <ricarkol@google.com> Signed-off-by: Marc Zyngier <maz@kernel.org> Link: https://lore.kernel.org/r/20210531103344.29325-2-drjones@redhat.com
2021-06-21selftests: tls: fix chacha+bidir testsJakub Kicinski
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 <kuba@kernel.org> Acked-by: Vadim Fedorenko <vfedorenko@novek.ru> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-06-21selftests: tls: clean up uninitialized warningsJakub Kicinski
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 <kuba@kernel.org> Acked-by: Vadim Fedorenko <vfedorenko@novek.ru> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-06-21selftests/bpf: Retry for EAGAIN in udp_redir_to_connected()Cong Wang
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 <jiang.wang@bytedance.com> Signed-off-by: Cong Wang <cong.wang@bytedance.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Acked-by: John Fastabend <john.fastabend@gmail.com> Acked-by: Jakub Sitnicki <jakub@cloudflare.com> Link: https://lore.kernel.org/bpf/20210615021342.7416-3-xiyou.wangcong@gmail.com
2021-06-18Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/netJakub Kicinski
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 <kuba@kernel.org>
2021-06-18Merge tag 'net-5.13-rc7' of ↵Linus Torvalds
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-Jørgensen
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 <toke@redhat.com> Reviewed-by: David Ahern <dsahern@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-06-18selftests: mptcp: enable checksum in mptcp_join.shGeliang Tang
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 <pabeni@redhat.com> Signed-off-by: Geliang Tang <geliangtang@gmail.com> Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-06-18selftests: mptcp: enable checksum in mptcp_connect.shGeliang Tang
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 <pabeni@redhat.com> Signed-off-by: Geliang Tang <geliangtang@gmail.com> Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-06-18selftests: seg6: add selftest for SRv6 End.DT46 BehaviorAndrea Mayer
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 <andrea.mayer@uniroma2.it> Signed-off-by: Paolo Lungaroni <paolo.lungaroni@uniroma2.it> Acked-by: David Ahern <dsahern@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-06-18Merge branch 'sched/urgent' into sched/core, to resolve conflictsIngo Molnar
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 <mingo@kernel.org>
2021-06-17selftests/bpf: Fix ringbuf test fetching map FDAndrii Nakryiko
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 <andrii@kernel.org> Signed-off-by: Alexei Starovoitov <ast@kernel.org> Link: https://lore.kernel.org/bpf/20210618002824.2081922-1-andrii@kernel.org
2021-06-17Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvmLinus Torvalds
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. Miller
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 <davem@davemloft.net>
2021-06-17KVM: selftests: evmcs_test: Test that KVM_STATE_NESTED_EVMCS is never lostVitaly Kuznetsov
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 <mlevitsk@redhat.com> Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Message-Id: <20210526132026.270394-12-vkuznets@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2021-06-17KVM: selftests: Introduce hyperv_features testVitaly Kuznetsov
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 <vkuznets@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Message-Id: <20210521095204.2161214-31-vkuznets@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2021-06-17KVM: selftests: Move evmcs.h to x86_64/Vitaly Kuznetsov
evmcs.h is x86_64 only thing, move it to x86_64/ subdirectory. Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Message-Id: <20210521095204.2161214-30-vkuznets@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2021-06-17KVM: selftests: move Hyper-V MSR definitions to hyperv.hVitaly Kuznetsov
These defines can be shared by multiple tests, move them to a dedicated header. Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Message-Id: <20210521095204.2161214-29-vkuznets@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2021-06-17KVM: selftests: Introduce x2APIC register manipulation functionsJim Mattson
Standardize reads and writes of the x2APIC MSRs. Signed-off-by: Jim Mattson <jmattson@google.com> Reviewed-by: Oliver Upton <oupton@google.com> Message-Id: <20210604172611.281819-11-jmattson@google.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2021-06-17KVM: selftests: Hoist APIC functions out of individual testsJim Mattson
Move the APIC functions into the library to encourage code reuse and to avoid unintended deviations. Signed-off-by: Jim Mattson <jmattson@google.com> Reviewed-by: Oliver Upton <oupton@google.com> Message-Id: <20210604172611.281819-10-jmattson@google.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2021-06-17KVM: selftests: Move APIC definitions into a separate fileJim Mattson
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 <jmattson@google.com> Reviewed-by: Oliver Upton <oupton@google.com> Message-Id: <20210604172611.281819-9-jmattson@google.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2021-06-17KVM: selftests: x86: Add vmx_nested_tsc_scaling_testIlias Stamatis
Test that nested TSC scaling works as expected with both L1 and L2 scaled. Signed-off-by: Ilias Stamatis <ilstam@amazon.com> Reviewed-by: Maxim Levitsky <mlevitsk@redhat.com> Message-Id: <20210526184418.28881-12-ilstam@amazon.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2021-06-17KVM: selftests: Fix kvm_check_cap() assertionFuad Tabba
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 <tabba@google.com> Message-Id: <20210615150443.1183365-1-tabba@google.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2021-06-17selftests/bpf: Fix selftests build with old system-wide headersAndrii Nakryiko
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 <andrii@kernel.org> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Acked-by: Kuniyuki Iwashima <kuniyu@amazon.co.jp> Link: https://lore.kernel.org/bpf/20210617041446.425283-1-andrii@kernel.org
2021-06-16selftests/bpf: Whitelist test_progs.h from .gitignoreDaniel Xu
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 <dxu@dxuuu.xyz> Signed-off-by: Andrii Nakryiko <andrii@kernel.org> Link: https://lore.kernel.org/bpf/a46f64944bf678bc652410ca6028d3450f4f7f4b.1623880296.git.dxu@dxuuu.xyz
2021-06-16selftests: net: use bash to run udpgro_fwd test caseAndrea Righi
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 <andrea.righi@canonical.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-06-16selftests: net: veth: make test compatible with dashAndrea Righi
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 <andrea.righi@canonical.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-06-17selftests/powerpc: EBB selftest for MMCR0 control for PMU SPRs in ISA v3.1Athira Rajeev
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 <atrajeev@linux.vnet.ibm.com> Tested-by: Nageswara R Sastry <rnsastry@linux.ibm.com <mailto:rnsastry@linux.ibm.com>> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/1621950703-1532-3-git-send-email-atrajeev@linux.vnet.ibm.com
generated by cgit (git 2.34.1) at 2025-10-03 09:37:20 +0000