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2022-05-20selftests/bpf: Fix subtest number formatting in test_progsMykola Lysenko1-3/+9
Remove weird spaces around / while preserving proper indentation Signed-off-by: Mykola Lysenko <[email protected]> Signed-off-by: Andrii Nakryiko <[email protected]> Acked-by: Daniel Müller <[email protected]> Link: https://lore.kernel.org/bpf/[email protected]
2022-05-20selftests/bpf: Add missing trampoline program type to trampoline_count testYuntao Wang2-90/+60
Currently the trampoline_count test doesn't include any fmod_ret bpf programs, fix it to make the test cover all possible trampoline program types. Since fmod_ret bpf programs can't be attached to __set_task_comm function, as it's neither whitelisted for error injection nor a security hook, change it to bpf_modify_return_test. This patch also does some other cleanups such as removing duplicate code, dropping inconsistent comments, etc. Signed-off-by: Yuntao Wang <[email protected]> Signed-off-by: Andrii Nakryiko <[email protected]> Acked-by: Yonghong Song <[email protected]> Link: https://lore.kernel.org/bpf/[email protected]
2022-05-20selftests/bpf: Verify first of struct mptcp_sockGeliang Tang3-0/+11
This patch verifies the 'first' struct member of struct mptcp_sock, which points to the first subflow of msk. Save 'sk' in mptcp_storage, and verify it with 'first' in verify_msk(). v5: - Use ASSERT_EQ() instead of a manual comparison + log (Andrii). Signed-off-by: Geliang Tang <[email protected]> Signed-off-by: Mat Martineau <[email protected]> Signed-off-by: Andrii Nakryiko <[email protected]> Acked-by: Matthieu Baerts <[email protected]> Link: https://lore.kernel.org/bpf/[email protected]
2022-05-20selftests/bpf: Verify ca_name of struct mptcp_sockGeliang Tang3-0/+39
This patch verifies another member of struct mptcp_sock, ca_name. Add a new function get_msk_ca_name() to read the sysctl tcp_congestion_control and verify it in verify_msk(). v3: Access the sysctl through the filesystem to avoid compatibility issues with the busybox sysctl command. v4: use ASSERT_* instead of CHECK_FAIL (Andrii) v5: use ASSERT_STRNEQ() instead of strncmp() (Andrii) Signed-off-by: Geliang Tang <[email protected]> Signed-off-by: Mat Martineau <[email protected]> Signed-off-by: Andrii Nakryiko <[email protected]> Acked-by: Matthieu Baerts <[email protected]> Link: https://lore.kernel.org/bpf/[email protected]
2022-05-20selftests/bpf: Verify token of struct mptcp_sockGeliang Tang3-2/+31
This patch verifies the struct member token of struct mptcp_sock. Add a new member token in struct mptcp_storage to store the token value of the msk socket got by bpf_skc_to_mptcp_sock(). Trace the kernel function mptcp_pm_new_connection() by using bpf fentry prog to obtain the msk token and save it in a global bpf variable. Pass the variable to verify_msk() to verify it with the token saved in socket_storage_map. v4: - use ASSERT_* instead of CHECK_FAIL (Andrii) - skip the test if 'ip mptcp monitor' is not supported (Mat) v5: - Drop 'ip mptcp monitor', trace mptcp_pm_new_connection instead (Martin) - Use ASSERT_EQ (Andrii) Signed-off-by: Geliang Tang <[email protected]> Signed-off-by: Mat Martineau <[email protected]> Signed-off-by: Andrii Nakryiko <[email protected]> Acked-by: Matthieu Baerts <[email protected]> Link: https://lore.kernel.org/bpf/[email protected]
2022-05-20selftests/bpf: Test bpf_skc_to_mptcp_sockGeliang Tang3-10/+40
This patch extends the MPTCP test base, to test the new helper bpf_skc_to_mptcp_sock(). Define struct mptcp_sock in bpf_tcp_helpers.h, use bpf_skc_to_mptcp_sock to get the msk socket in progs/mptcp_sock.c and store the infos in socket_storage_map. Get the infos from socket_storage_map in prog_tests/mptcp.c. Add a new function verify_msk() to verify the infos of MPTCP socket, and rename verify_sk() to verify_tsk() to verify TCP socket only. v2: Add CONFIG_MPTCP check for clearer error messages v4: - use ASSERT_* instead of CHECK_FAIL (Andrii) - drop bpf_mptcp_helpers.h (Andrii) v5: - some 'ASSERT_*' were replaced in the next commit by mistake. - Drop CONFIG_MPTCP (Martin) - Use ASSERT_EQ (Andrii) Signed-off-by: Geliang Tang <[email protected]> Signed-off-by: Mat Martineau <[email protected]> Signed-off-by: Andrii Nakryiko <[email protected]> Acked-by: Matthieu Baerts <[email protected]> Link: https://lore.kernel.org/bpf/[email protected]
2022-05-20selftests/bpf: Add MPTCP test baseNicolas Rybowski6-9/+200
This patch adds a base for MPTCP specific tests. It is currently limited to the is_mptcp field in case of plain TCP connection because there is no easy way to get the subflow sk from a msk in userspace. This implies that we cannot lookup the sk_storage attached to the subflow sk in the sockops program. v4: - add copyright 2022 (Andrii) - use ASSERT_* instead of CHECK_FAIL (Andrii) - drop SEC("version") (Andrii) - use is_mptcp in tcp_sock, instead of bpf_tcp_sock (Martin & Andrii) v5: - Drop connect_to_mptcp_fd (Martin) - Use BPF test skeleton (Andrii) - Use ASSERT_EQ (Andrii) - Drop the 'msg' parameter of verify_sk Co-developed-by: Geliang Tang <[email protected]> Signed-off-by: Geliang Tang <[email protected]> Signed-off-by: Nicolas Rybowski <[email protected]> Signed-off-by: Mat Martineau <[email protected]> Signed-off-by: Andrii Nakryiko <[email protected]> Acked-by: Matthieu Baerts <[email protected]> Link: https://lore.kernel.org/bpf/[email protected]
2022-05-20selftests/bpf: Enable CONFIG_IKCONFIG_PROC in configGeliang Tang1-0/+2
CONFIG_IKCONFIG_PROC is required by BPF selftests, otherwise we get errors like this: libbpf: failed to open system Kconfig libbpf: failed to load object 'kprobe_multi' libbpf: failed to load BPF skeleton 'kprobe_multi': -22 It's because /proc/config.gz is opened in bpf_object__read_kconfig_file() in tools/lib/bpf/libbpf.c: file = gzopen("/proc/config.gz", "r"); So this patch enables CONFIG_IKCONFIG and CONFIG_IKCONFIG_PROC in tools/testing/selftests/bpf/config. Suggested-by: Mat Martineau <[email protected]> Signed-off-by: Geliang Tang <[email protected]> Signed-off-by: Mat Martineau <[email protected]> Signed-off-by: Andrii Nakryiko <[email protected]> Acked-by: Andrii Nakryiko <[email protected]> Link: https://lore.kernel.org/bpf/[email protected]
2022-05-20selftests/bpf: Fix some bugs in map_lookup_percpu_elem testcaseFeng Zhou2-39/+73
comments from Andrii Nakryiko, details in here: https://lore.kernel.org/lkml/[email protected]/T/ use /* */ instead of // use libbpf_num_possible_cpus() instead of sysconf(_SC_NPROCESSORS_ONLN) use 8 bytes for value size fix memory leak use ASSERT_EQ instead of ASSERT_OK add bpf_loop to fetch values on each possible CPU Fixes: ed7c13776e20c74486b0939a3c1de984c5efb6aa ("selftests/bpf: add test case for bpf_map_lookup_percpu_elem") Signed-off-by: Feng Zhou <[email protected]> Signed-off-by: Andrii Nakryiko <[email protected]> Acked-by: Yonghong Song <[email protected]> Link: https://lore.kernel.org/bpf/[email protected]
2022-05-20KVM: s390: selftest: Test suppression indication on key prot exceptionJanis Schoetterl-Glausch1-1/+45
Check that suppression is not indicated on injection of a key checked protection exception caused by a memop after it already modified guest memory, as that violates the definition of suppression. Signed-off-by: Janis Schoetterl-Glausch <[email protected]> Reviewed-by: Christian Borntraeger <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Christian Borntraeger <[email protected]> Signed-off-by: Janosch Frank <[email protected]>
2022-05-20selftests: drivers/s390x: Add uvdevice testsSteffen Eiden5-0/+301
Adds some selftests to test ioctl error paths of the uv-uapi. The Kconfig S390_UV_UAPI must be selected and the Ultravisor facility must be available. The test can be executed by non-root, however, the uvdevice special file /dev/uv must be accessible for reading and writing which may imply root privileges. ./test-uv-device TAP version 13 1..6 # Starting 6 tests from 3 test cases. # RUN uvio_fixture.att.fault_ioctl_arg ... # OK uvio_fixture.att.fault_ioctl_arg ok 1 uvio_fixture.att.fault_ioctl_arg # RUN uvio_fixture.att.fault_uvio_arg ... # OK uvio_fixture.att.fault_uvio_arg ok 2 uvio_fixture.att.fault_uvio_arg # RUN uvio_fixture.att.inval_ioctl_cb ... # OK uvio_fixture.att.inval_ioctl_cb ok 3 uvio_fixture.att.inval_ioctl_cb # RUN uvio_fixture.att.inval_ioctl_cmd ... # OK uvio_fixture.att.inval_ioctl_cmd ok 4 uvio_fixture.att.inval_ioctl_cmd # RUN attest_fixture.att_inval_request ... # OK attest_fixture.att_inval_request ok 5 attest_fixture.att_inval_request # RUN attest_fixture.att_inval_addr ... # OK attest_fixture.att_inval_addr ok 6 attest_fixture.att_inval_addr # PASSED: 6 / 6 tests passed. # Totals: pass:6 fail:0 xfail:0 xpass:0 skip:0 error:0 Signed-off-by: Steffen Eiden <[email protected]> Acked-by: Janosch Frank <[email protected]> Message-Id: <[email protected]> Link: https://lore.kernel.org/kvm/[email protected]/ Signed-off-by: Janosch Frank <[email protected]>
2022-05-20selftests: kvm/x86: Verify the pmu event filter matches the correct eventAaron Lewis1-0/+19
Add a test to demonstrate that when the guest programs an event select it is matched correctly in the pmu event filter and not inadvertently filtered. This could happen on AMD if the high nybble[1] in the event select gets truncated away only leaving the bottom byte[2] left for matching. This is a contrived example used for the convenience of demonstrating this issue, however, this can be applied to event selects 0x28A (OC Mode Switch) and 0x08A (L1 BTB Correction), where 0x08A could end up being denied when the event select was only set up to deny 0x28A. [1] bits 35:32 in the event select register and bits 11:8 in the event select. [2] bits 7:0 in the event select register and bits 7:0 in the event select. Signed-off-by: Aaron Lewis <[email protected]> Message-Id: <[email protected]> Signed-off-by: Paolo Bonzini <[email protected]>
2022-05-20selftests: kvm/x86: Add the helper function create_pmu_event_filterAaron Lewis1-4/+14
Add a helper function that creates a pmu event filter given an event list. Currently, a pmu event filter can only be created with the same hard coded event list. Add a way to create one given a different event list. Also, rename make_pmu_event_filter to alloc_pmu_event_filter to clarify it's purpose given the introduction of create_pmu_event_filter. No functional changes intended. Signed-off-by: Aaron Lewis <[email protected]> Message-Id: <[email protected]> Signed-off-by: Paolo Bonzini <[email protected]>
2022-05-20KVM: selftests: riscv: Remove unneeded semicolonJiapeng Chong1-1/+1
Fix the following coccicheck warnings: ./tools/testing/selftests/kvm/lib/riscv/processor.c:353:3-4: Unneeded semicolon. Reported-by: Abaci Robot <[email protected]> Signed-off-by: Jiapeng Chong <[email protected]> Signed-off-by: Anup Patel <[email protected]>
2022-05-20KVM: selftests: riscv: Improve unexpected guest trap handlingAnup Patel3-17/+31
Currently, we simply hang using "while (1) ;" upon any unexpected guest traps because the default guest trap handler is guest_hang(). The above approach is not useful to anyone because KVM selftests users will only see a hung application upon any unexpected guest trap. This patch improves unexpected guest trap handling for KVM RISC-V selftests by doing the following: 1) Return to host user-space 2) Dump VCPU registers 3) Die using TEST_ASSERT(0, ...) Signed-off-by: Anup Patel <[email protected]> Tested-by: Mayuresh Chitale <[email protected]> Signed-off-by: Anup Patel <[email protected]>
2022-05-19selftests: mptcp: add MP_FAIL reset testcaseGeliang Tang1-0/+10
Add the multiple subflows test case for MP_FAIL, to test the MP_FAIL reset case. Use the test_linkfail value to make 1024KB test files. Invoke reset_with_fail() to use 'iptables' and 'tc action pedit' rules to produce the bit flips to trigger the checksum failures on ns2eth2. Add delays on ns2eth1 to make sure more data can translate on ns2eth2. The check_invert flag is enabled in reset_with_fail(), so this test prints out the inverted bytes, instead of the file mismatch errors. Invoke pedit_action_pkts() to get the numbers of the packets edited by the tc pedit actions, and print this numbers to the output. Co-developed-by: Paolo Abeni <[email protected]> Signed-off-by: Paolo Abeni <[email protected]> Signed-off-by: Geliang Tang <[email protected]> Signed-off-by: Mat Martineau <[email protected]> Signed-off-by: Jakub Kicinski <[email protected]>
2022-05-19Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/netJakub Kicinski3-8/+52
drivers/net/ethernet/mellanox/mlx5/core/main.c b33886971dbc ("net/mlx5: Initialize flow steering during driver probe") 40379a0084c2 ("net/mlx5_fpga: Drop INNOVA TLS support") f2b41b32cde8 ("net/mlx5: Remove ipsec_ops function table") https://lore.kernel.org/all/20220519040345.6yrjromcdistu7vh@sx1/ 16d42d313350 ("net/mlx5: Drain fw_reset when removing device") 8324a02c342a ("net/mlx5: Add exit route when waiting for FW") https://lore.kernel.org/all/[email protected]/ tools/testing/selftests/net/mptcp/mptcp_join.sh e274f7154008 ("selftests: mptcp: add subflow limits test-cases") b6e074e171bc ("selftests: mptcp: add infinite map testcase") 5ac1d2d63451 ("selftests: mptcp: Add tests for userspace PM type") https://lore.kernel.org/all/[email protected]/ net/mptcp/options.c ba2c89e0ea74 ("mptcp: fix checksum byte order") 1e39e5a32ad7 ("mptcp: infinite mapping sending") ea66758c1795 ("tcp: allow MPTCP to update the announced window") https://lore.kernel.org/all/[email protected]/ net/mptcp/pm.c 95d686517884 ("mptcp: fix subflow accounting on close") 4d25247d3ae4 ("mptcp: bypass in-kernel PM restrictions for non-kernel PMs") https://lore.kernel.org/all/[email protected]/ net/mptcp/subflow.c ae66fb2ba6c3 ("mptcp: Do TCP fallback on early DSS checksum failure") 0348c690ed37 ("mptcp: add the fallback check") f8d4bcacff3b ("mptcp: infinite mapping receiving") https://lore.kernel.org/all/[email protected]/ Signed-off-by: Jakub Kicinski <[email protected]>
2022-05-19cxl/port: Reuse 'struct cxl_hdm' context for hdm initDan Williams1-2/+3
The port driver maps component registers for port operations. Reuse that mapping for HDM Decoder Capability setup / enable. Move devm_cxl_setup_hdm() before cxl_hdm_decode_init() and plumb @cxlhdm through the hdm init helpers. Reviewed-by: Ira Weiny <[email protected]> Reviewed-by: Jonathan Cameron <[email protected]> Link: https://lore.kernel.org/r/165291691712.1426646.14336397551571515480.stgit@dwillia2-xfh Signed-off-by: Dan Williams <[email protected]>
2022-05-19cxl/pci: Drop @info argument to cxl_hdm_decode_init()Dan Williams1-6/+3
Now that nothing external to cxl_hdm_decode_init() considers 'struct cxl_endpoint_dvec_info' move it internal to cxl_hdm_decode_init(). Reviewed-by: Ira Weiny <[email protected]> Reviewed-by: Jonathan Cameron <[email protected]> Link: https://lore.kernel.org/r/165291690612.1426646.7866084245521113414.stgit@dwillia2-xfh Signed-off-by: Dan Williams <[email protected]>
2022-05-19cxl/mem: Merge cxl_dvsec_ranges() and cxl_hdm_decode_init()Dan Williams3-16/+5
In preparation for changing how the driver handles 'mem_enable' in the CXL DVSEC control register. Merge the contents of cxl_hdm_decode_init() into cxl_dvsec_ranges() and rename the combined function cxl_hdm_decode_init(). The possible cleanups and fixes that result from this merge are saved for a follow-on change. Reviewed-by: Ira Weiny <[email protected]> Link: https://lore.kernel.org/r/165291690027.1426646.10249756632415633752.stgit@dwillia2-xfh Signed-off-by: Dan Williams <[email protected]>
2022-05-19cxl/mem: Consolidate CXL DVSEC Range enumeration in the coreDan Williams3-10/+17
In preparation for fixing the setting of the 'mem_enabled' bit in CXL DVSEC Control register, move all CXL DVSEC range enumeration into the same source file. Reviewed-by: Ira Weiny <[email protected]> Reviewed-by: Jonathan Cameron <[email protected]> Link: https://lore.kernel.org/r/165291688886.1426646.15046138604010482084.stgit@dwillia2-xfh Signed-off-by: Dan Williams <[email protected]>
2022-05-19cxl/pci: Move cxl_await_media_ready() to the coreDan Williams3-7/+16
Allow cxl_await_media_ready() to be mocked for testing purposes rather than carrying the maintenance burden of an indirect function call in the mainline driver. With the move cxl_await_media_ready() can no longer reuse the mailbox timeout override, so add a media_ready_timeout module parameter to the core to backfill. Reviewed-by: Ira Weiny <[email protected]> Reviewed-by: Jonathan Cameron <[email protected]> Link: https://lore.kernel.org/r/165291688340.1426646.4755627801983775011.stgit@dwillia2-xfh Signed-off-by: Dan Williams <[email protected]>
2022-05-19Merge tag 'net-5.18-rc8' of ↵Linus Torvalds2-3/+47
git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net Pull networking fixes from Paolo Abeni: "Including fixes from can, xfrm and netfilter subtrees. Notably this reverts a recent TCP/DCCP netns-related change to address a possible UaF. Current release - regressions: - tcp: revert "tcp/dccp: get rid of inet_twsk_purge()" - xfrm: set dst dev to blackhole_netdev instead of loopback_dev in ifdown Previous releases - regressions: - netfilter: flowtable: fix TCP flow teardown - can: revert "can: m_can: pci: use custom bit timings for Elkhart Lake" - xfrm: check encryption module availability consistency - eth: vmxnet3: fix possible use-after-free bugs in vmxnet3_rq_alloc_rx_buf() - eth: mlx5: initialize flow steering during driver probe - eth: ice: fix crash when writing timestamp on RX rings Previous releases - always broken: - mptcp: fix checksum byte order - eth: lan966x: fix assignment of the MAC address - eth: mlx5: remove HW-GRO from reported features - eth: ftgmac100: disable hardware checksum on AST2600" * tag 'net-5.18-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (50 commits) net: bridge: Clear offload_fwd_mark when passing frame up bridge interface. ptp: ocp: change sysfs attr group handling selftests: forwarding: fix missing backslash netfilter: nf_tables: disable expression reduction infra netfilter: flowtable: move dst_check to packet path netfilter: flowtable: fix TCP flow teardown net: ftgmac100: Disable hardware checksum on AST2600 igb: skip phy status check where unavailable nfc: pn533: Fix buggy cleanup order mptcp: Do TCP fallback on early DSS checksum failure mptcp: fix checksum byte order net: af_key: check encryption module availability consistency net: af_key: add check for pfkey_broadcast in function pfkey_process net/mlx5: Drain fw_reset when removing device net/mlx5e: CT: Fix setting flow_source for smfs ct tuples net/mlx5e: CT: Fix support for GRE tuples net/mlx5e: Remove HW-GRO from reported features net/mlx5e: Properly block HW GRO when XDP is enabled net/mlx5e: Properly block LRO when XDP is enabled net/mlx5e: Block rx-gro-hw feature in switchdev mode ...
2022-05-19Merge tag 'lkdtm-next' of ↵Greg Kroah-Hartman2-4/+6
https://git.kernel.org/pub/scm/linux/kernel/git/kees/linux into char-misc-next Kees writes: lkdtm updates for -next - Test for new usercopy memory regions - avoid GCC 12 warnings - update expected CONFIGs for selftests * tag 'lkdtm-next' of https://git.kernel.org/pub/scm/linux/kernel/git/kees/linux: lkdtm/heap: Hide allocation size from -Warray-bounds selftests/lkdtm: Add configs for stackleak and "after free" tests lkdtm/usercopy: Check vmalloc and >0-order folios lkdtm/usercopy: Rename "heap" to "slab" lkdtm: cfi: Fix type width for masking PAC bits
2022-05-18selftests: forwarding: fix missing backslashJoachim Wiberg1-1/+1
Fix missing backslash, introduced in f62c5acc800ee. Causes all tests to not be installed. Fixes: f62c5acc800e ("selftests/net/forwarding: add missing tests to Makefile") Signed-off-by: Joachim Wiberg <[email protected]> Acked-by: Hangbin Liu <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Jakub Kicinski <[email protected]>
2022-05-18selftests/bpf: Add missed ima_setup.sh in MakefileHangbin Liu1-1/+1
When build bpf test and install it to another folder, e.g. make -j10 install -C tools/testing/selftests/ TARGETS="bpf" \ SKIP_TARGETS="" INSTALL_PATH=/tmp/kselftests The ima_setup.sh is missed in target folder, which makes test_ima failed. Fix it by adding ima_setup.sh to TEST_PROGS_EXTENDED. Fixes: 34b82d3ac105 ("bpf: Add a selftest for bpf_ima_inode_hash") Signed-off-by: Hangbin Liu <[email protected]> Signed-off-by: Andrii Nakryiko <[email protected]> Acked-by: Yonghong Song <[email protected]> Link: https://lore.kernel.org/bpf/[email protected]
2022-05-18kunit: tool: Use qemu-system-i386 for i386 runsDavid Gow1-1/+1
We're currently using the x86_64 qemu for i386 builds. While this is not incorrect, it's probably more sensible to use the i386 one, which will at least fail properly if we accidentally were to build a 64-bit kernel. Signed-off-by: David Gow <[email protected]> Tested-by: Daniel Latypov <[email protected]> Reviewed-by: Brendan Higgins <[email protected]> Signed-off-by: Shuah Khan <[email protected]>
2022-05-18selftests: netdevsim: Increase sleep time in hw_stats_l3.sh testDanielle Ratson1-2/+2
hw_stats_l3.sh test is failing often for l3 stats shows less than 20 packets after 2 seconds sleep. This is happening since there is a race between the 2 seconds sleep and the netdevsim actually delivering the packets. Increase the sleep time so the packets will be delivered successfully on time. Signed-off-by: Danielle Ratson <[email protected]> Reviewed-by: Petr Machata <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2022-05-17selftests/lkdtm: Add configs for stackleak and "after free" testsMuhammad Usama Anjum1-0/+2
Add config options which are needed for LKDTM sub-tests: STACKLEAK_ERASING test needs GCC_PLUGIN_STACKLEAK config. READ_AFTER_FREE and READ_BUDDY_AFTER_FREE tests need INIT_ON_FREE_DEFAULT_ON config. Signed-off-by: Muhammad Usama Anjum <[email protected]> Signed-off-by: Kees Cook <[email protected]> Link: https://lore.kernel.org/r/[email protected]
2022-05-16selftests/bpf: Fix building bpf selftests staticallyYosry Ahmed1-2/+4
bpf selftests can no longer be built with CFLAGS=-static with liburandom_read.so and its dependent target. Filter out -static for liburandom_read.so and its dependent target. When building statically, this leaves urandom_read relying on system-wide shared libraries. Signed-off-by: Yosry Ahmed <[email protected]> Signed-off-by: Andrii Nakryiko <[email protected]> Link: https://lore.kernel.org/bpf/[email protected]
2022-05-16dax: introduce DAX_RECOVERY_WRITE dax access modeJane Chu1-1/+3
Up till now, dax_direct_access() is used implicitly for normal access, but for the purpose of recovery write, dax range with poison is requested. To make the interface clear, introduce enum dax_access_mode { DAX_ACCESS, DAX_RECOVERY_WRITE, } where DAX_ACCESS is used for normal dax access, and DAX_RECOVERY_WRITE is used for dax recovery write. Suggested-by: Dan Williams <[email protected]> Signed-off-by: Jane Chu <[email protected]> Reviewed-by: Christoph Hellwig <[email protected]> Cc: Mike Snitzer <[email protected]> Reviewed-by: Vivek Goyal <[email protected]> Link: https://lore.kernel.org/r/165247982851.52965.11024212198889762949.stgit@dwillia2-desk3.amr.corp.intel.com Signed-off-by: Dan Williams <[email protected]>
2022-05-16selftests: mptcp: fix a mp_fail test warningGeliang Tang1-0/+1
Old tc versions (iproute2 5.3) show actions in multiple lines, not a single line. Then the following unexpected MP_FAIL selftest output occurs: file received by server has inverted byte at 169 ./mptcp_join.sh: line 1277: [: [{"total acts":1},{"actions":[{"order":0 pedit ,"control_action":{"type":"pipe"}keys 1 index 1 ref 1 bind 1,"installed":0,"last_used":0 key #0 at 148: val ff000000 mask ffffffff 5: integer expression expected 001 Infinite map syn[ ok ] - synack[ ok ] - ack[ ok ] sum[ ok ] - csum [ ok ] ftx[ ok ] - failrx[ ok ] rtx[ ok ] - rstrx [ ok ] itx[ ok ] - infirx[ ok ] ftx[ ok ] - failrx[ ok ] invert This patch adds a 'grep' before 'sed' to fix this. Fixes: b6e074e171bc ("selftests: mptcp: add infinite map testcase") Reviewed-by: Matthieu Baerts <[email protected]> Signed-off-by: Geliang Tang <[email protected]> Signed-off-by: Mat Martineau <[email protected]> Signed-off-by: Jakub Kicinski <[email protected]>
2022-05-16kselftests/ir : Improve readability of modprobe error messageGautam Menghani1-1/+1
Improve the readability of error message which says module not found. The new behaviour is consistent with the modprobe command. Signed-off-by: Gautam Menghani <[email protected]> Signed-off-by: Shuah Khan <[email protected]>
2022-05-16kunit: tool: update riscv QEMU config with new serial dependencyBrendan Higgins1-0/+1
The config for the serial console for riscv, CONFIG_SERIAL_EARLYCON_RISCV_SBI, added a dependency, CONFIG_RISCV_SBI_V01, at some point, so add that in to the base arch config. Signed-off-by: Brendan Higgins <[email protected]> Reviewed-by: David Gow <[email protected]> Signed-off-by: Shuah Khan <[email protected]>
2022-05-16kunit: tool: Add list of all valid test configs on UMLDavid Gow1-0/+37
It's often desirable (particularly in test automation) to run as many tests as possible. This config enables all the tests which work as builtins under UML at present, increasing the total tests run from 156 to 342 (not counting 36 'skipped' tests). They can be run with: ./tools/testing/kunit/kunit.py run --kunitconfig=./tools/testing/kunit/configs/all_tests_uml.config This acts as an in-between point between the KUNIT_ALL_TESTS config (which enables only tests whose dependencies are already enabled), and the kunit_tool --alltests option, which tries to use allyesconfig, taking a very long time to build and breaking very often. Signed-off-by: David Gow <[email protected]> Tested-by: Daniel Latypov <[email protected]> Reviewed-by: Brendan Higgins <[email protected]> Signed-off-by: Shuah Khan <[email protected]>
2022-05-16kunit: tool: misc cleanupsDaniel Latypov7-46/+39
This primarily comes from running pylint over kunit tool code and ignoring some warnings we don't care about. If we ever got a fully clean setup, we could add this to run_checks.py, but we're not there yet. Fix things like * Drop unused imports * check `is None`, not `== None` (see PEP 8) * remove redundant parens around returns * remove redundant `else` / convert `elif` to `if` where appropriate * rename make_arch_qemuconfig() param to base_kunitconfig (this is the name used in the subclass, and it's a better one) * kunit_tool_test: check the exit code for SystemExit (could be 0) Signed-off-by: Daniel Latypov <[email protected]> Reviewed-by: David Gow <[email protected]> Reviewed-by: Brendan Higgins <[email protected]> Signed-off-by: Shuah Khan <[email protected]>
2022-05-16kunit: tool: minor cosmetic cleanups in kunit_parser.pyDaniel Latypov1-54/+17
There should be no behavioral changes from this patch. This patch removes redundant comment text, inlines a function used in only one place, and other such minor tweaks. Signed-off-by: Daniel Latypov <[email protected]> Reviewed-by: David Gow <[email protected]> Reviewed-by: Brendan Higgins <[email protected]> Signed-off-by: Shuah Khan <[email protected]>
2022-05-16kunit: tool: make parser stop overwriting status of suites w/ no_testsDaniel Latypov2-3/+6
Consider this invocation $ ./tools/testing/kunit/kunit.py parse <<EOF TAP version 14 1..2 ok 1 - suite # Subtest: no_tests_suite # catastrophic error! not ok 1 - no_tests_suite EOF It will have a 0 exit code even though there's a "not ok". Consider this one: $ ./tools/testing/kunit/kunit.py parse <<EOF TAP version 14 1..2 ok 1 - suite not ok 1 - no_tests_suite EOF It will a non-zero exit code. Why? We have this line in the kunit_parser.py > parent_test = parse_test_header(lines, test) where we have special handling when we see "# Subtest" and we ignore the explicit reported "not ok 1" status! Also, NO_TESTS at a suite-level only results in a non-zero status code where then there's only one suite atm. This change is the minimal one to make sure we don't overwrite it. Signed-off-by: Daniel Latypov <[email protected]> Reviewed-by: David Gow <[email protected]> Reviewed-by: Brendan Higgins <[email protected]> Signed-off-by: Shuah Khan <[email protected]>
2022-05-16kunit: tool: remove dead parse_crash_in_log() logicDaniel Latypov3-104/+4
This logic depends on the kernel logging a message containing 'kunit test case crashed', but there is no corresponding logic to do so. This is likely a relic of the revision process KUnit initially went through when being upstreamed. Delete it given 1) it's been missing for years and likely won't get implemented 2) the parser has been moving to be a more general KTAP parser, kunit-only magic like this isn't how we'd want to implement it. Signed-off-by: Daniel Latypov <[email protected]> Reviewed-by: David Gow <[email protected]> Reviewed-by: Brendan Higgins <[email protected]> Signed-off-by: Shuah Khan <[email protected]>
2022-05-16kselftest/arm64: Explicitly build no BTI tests with BTI disabledMark Brown1-1/+1
In case a distribution enables branch protection by default do as we do for the main kernel and explicitly disable branch protection when building the test case for having BTI disabled to ensure it doesn't get turned on by the toolchain defaults. Signed-off-by: Mark Brown <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Catalin Marinas <[email protected]>
2022-05-16kselftest/arm64: bti: force static linkingAndre Przywara1-2/+2
The "bti" selftests are built with -nostdlib, which apparently automatically creates a statically linked binary, which is what we want and need for BTI (to avoid interactions with the dynamic linker). However this is not true when building a PIE binary, which some toolchains (Ubuntu) configure as the default. When compiling btitest with such a toolchain, it will create a dynamically linked binary, which will probably fail some tests, as the dynamic linker might not support BTI: =================== TAP version 13 1..18 not ok 1 nohint_func/call_using_br_x0 not ok 2 nohint_func/call_using_br_x16 not ok 3 nohint_func/call_using_blr .... =================== To make sure we create static binaries, add an explicit -static on the linker command line. This forces static linking even if the toolchain defaults to PIE builds, and fixes btitest runs on BTI enabled machines. Signed-off-by: Andre Przywara <[email protected]> Reviewed-by: Mark Brown <[email protected]> Fixes: 314bcbf09f14 ("kselftest: arm64: Add BTI tests") Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Catalin Marinas <[email protected]>
2022-05-16Merge branch kvm-arm64/psci-suspend into kvmarm-master/nextMarc Zyngier1-31/+132
* kvm-arm64/psci-suspend: : . : Add support for PSCI SYSTEM_SUSPEND and allow userspace to : filter the wake-up events. : : Patches courtesy of Oliver. : . Documentation: KVM: Fix title level for PSCI_SUSPEND selftests: KVM: Test SYSTEM_SUSPEND PSCI call selftests: KVM: Refactor psci_test to make it amenable to new tests selftests: KVM: Use KVM_SET_MP_STATE to power off vCPU in psci_test selftests: KVM: Create helper for making SMCCC calls selftests: KVM: Rename psci_cpu_on_test to psci_test KVM: arm64: Implement PSCI SYSTEM_SUSPEND KVM: arm64: Add support for userspace to suspend a vCPU KVM: arm64: Return a value from check_vcpu_requests() KVM: arm64: Rename the KVM_REQ_SLEEP handler KVM: arm64: Track vCPU power state using MP state values KVM: arm64: Dedupe vCPU power off helpers KVM: arm64: Don't depend on fallthrough to hide SYSTEM_RESET2 Signed-off-by: Marc Zyngier <[email protected]>
2022-05-16Merge branch kvm-arm64/hcall-selection into kvmarm-master/nextMarc Zyngier8-29/+406
* kvm-arm64/hcall-selection: : . : Introduce a new set of virtual sysregs for userspace to : select the hypercalls it wants to see exposed to the guest. : : Patches courtesy of Raghavendra and Oliver. : . KVM: arm64: Fix hypercall bitmap writeback when vcpus have already run KVM: arm64: Hide KVM_REG_ARM_*_BMAP_BIT_COUNT from userspace Documentation: Fix index.rst after psci.rst renaming selftests: KVM: aarch64: Add the bitmap firmware registers to get-reg-list selftests: KVM: aarch64: Introduce hypercall ABI test selftests: KVM: Create helper for making SMCCC calls selftests: KVM: Rename psci_cpu_on_test to psci_test tools: Import ARM SMCCC definitions Docs: KVM: Add doc for the bitmap firmware registers Docs: KVM: Rename psci.rst to hypercalls.rst KVM: arm64: Add vendor hypervisor firmware register KVM: arm64: Add standard hypervisor firmware register KVM: arm64: Setup a framework for hypercall bitmap firmware registers KVM: arm64: Factor out firmware register handling from psci.c Signed-off-by: Marc Zyngier <[email protected]>
2022-05-15selftests/arm64: Use switch statements in mte_common_util.cMark Brown1-7/+16
In the MTE tests there are several places where we use chains of if statements to open code what could be written as switch statements, move over to switch statements to make the idiom clearer. Signed-off-by: Mark Brown <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Catalin Marinas <[email protected]>
2022-05-15selftests/arm64: Remove casts to/from void in check_tags_inclusionMark Brown1-12/+12
Void pointers may be freely used with other pointer types in C, any casts between void * and other pointer types serve no purpose other than to mask potential warnings. Drop such casts from check_tags_inclusion to help with future review of the code. Signed-off-by: Mark Brown <[email protected]> Reviewed-by: Shuah Khan <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Catalin Marinas <[email protected]>
2022-05-15selftests/arm64: Check failures to set tags in check_tags_inclusionMark Brown1-6/+12
The MTE check_tags_inclusion test uses the mte_switch_mode() helper but ignores the return values it generates meaning we might not be testing the things we're trying to test, fail the test if it reports an error. The helper will log any errors it returns. Signed-off-by: Mark Brown <[email protected]> Reviewed-by: Shuah Khan <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Catalin Marinas <[email protected]>
2022-05-15selftests/arm64: Allow zero tags in mte_switch_mode()Mark Brown1-1/+1
mte_switch_mode() currently rejects attempts to set a zero tag however there are tests such as check_tags_inclusion which attempt to cover cases with zero tags using mte_switch_mode(). Since it is not clear why we are rejecting zero tags change the test to accept them. The issue has not previously been as apparent as it should be since the return value of mte_switch_mode() was not always checked in the callers and the tests weren't otherwise failing. Signed-off-by: Mark Brown <[email protected]> Reviewed-by: Shuah Khan <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Catalin Marinas <[email protected]>
2022-05-15selftests/arm64: Log errors in verify_mte_pointer_validity()Mark Brown1-3/+9
When we detect a problem in verify_mte_pointer_validity() while checking tags we don't log what the problem was which makes debugging harder. Add some diagnostics. Signed-off-by: Mark Brown <[email protected]> Reviewed-by: Shuah Khan <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Catalin Marinas <[email protected]>
2022-05-13selftests: mptcp: add subflow limits test-casesPaolo Abeni1-2/+46
Add and delete a bunch of endpoints and verify the respect of configured limits. This covers the codepath introduced by the previous patch. Fixes: 69c6ce7b6eca ("selftests: mptcp: add implicit endpoint test case") Signed-off-by: Paolo Abeni <[email protected]> Signed-off-by: Mat Martineau <[email protected]> Signed-off-by: Jakub Kicinski <[email protected]>
2022-05-13selftests/bpf: Fix usdt_400 test caseAndrii Nakryiko1-4/+2
usdt_400 test case relies on compiler using the same arg spec for usdt_400 USDT. This assumption breaks with Clang (Clang generates different arg specs with varying offsets relative to %rbp), so simplify this further and hard-code the constant which will guarantee that arg spec is the same across all 400 inlinings. Fixes: 630301b0d59d ("selftests/bpf: Add basic USDT selftests") Reported-by: Mykola Lysenko <[email protected]> Signed-off-by: Andrii Nakryiko <[email protected]> Signed-off-by: Daniel Borkmann <[email protected]> Acked-by: Yonghong Song <[email protected]> Link: https://lore.kernel.org/bpf/[email protected]
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