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2024-01-31selftests: net: add missing config for GENEVEMatthias May
l2_tos_ttl_inherit.sh verifies the inheritance of tos and ttl for GRETAP, VXLAN and GENEVE. Before testing it checks if the required module is available and if not skips the tests accordingly. Currently only GRETAP and VXLAN are tested because the GENEVE module is missing. Fixes: b690842d12fd ("selftests/net: test l2 tunnel TOS/TTL inheriting") Signed-off-by: Matthias May <matthias.may@westermo.com> Link: https://lore.kernel.org/r/20240130101157.196006-1-matthias.may@westermo.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-01-30selftests: net: Add missing matchall classifierIdo Schimmel
One of the test cases in the test_bridge_backup_port.sh selftest relies on a matchall classifier to drop unrelated traffic so that the Tx drop counter on the VXLAN device will only be incremented as a result of traffic generated by the test. However, the configuration option for the matchall classifier is missing from the configuration file which might explain the failures we see in the netdev CI [1]. Fix by adding CONFIG_NET_CLS_MATCHALL to the configuration file. [1] # Backup nexthop ID - invalid IDs # ------------------------------- [...] # TEST: Forwarding out of vx0 [ OK ] # TEST: No forwarding using backup nexthop ID [ OK ] # TEST: Tx drop increased [FAIL] # TEST: IPv6 address family nexthop as backup nexthop [ OK ] # TEST: No forwarding out of swp1 [ OK ] # TEST: Forwarding out of vx0 [ OK ] # TEST: No forwarding using backup nexthop ID [ OK ] # TEST: Tx drop increased [FAIL] [...] Fixes: b408453053fb ("selftests: net: Add bridge backup port and backup nexthop ID test") Signed-off-by: Ido Schimmel <idosch@nvidia.com> Acked-by: Nikolay Aleksandrov <razor@blackwall.org> Link: https://lore.kernel.org/r/20240129123703.1857843-1-idosch@nvidia.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-01-30Merge tag 'linux_kselftest-fixes-6.8-rc3' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest Pull kselftest fixes from Shuah Khan: "Three fixes to livepatch, rseq, and seccomp tests" * tag 'linux_kselftest-fixes-6.8-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest: kselftest/seccomp: Report each expectation we assert as a KTAP test kselftest/seccomp: Use kselftest output functions for benchmark selftests/livepatch: fix and refactor new dmesg message code selftests/rseq: Do not skip !allowed_cpus for mm_cid
2024-01-30KVM: selftests: Fail tests when open() fails with !ENOENTVitaly Kuznetsov
open_path_or_exit() is used for '/dev/kvm', '/dev/sev', and '/sys/module/%s/parameters/%s' and skipping test when the entry is missing is completely reasonable. Other errors, however, may indicate a real issue which is easy to miss. E.g. when 'hyperv_features' test was entering an infinite loop the output was: ./hyperv_features Testing access to Hyper-V specific MSRs 1..0 # SKIP - /dev/kvm not available (errno: 24) and this can easily get overlooked. Keep ENOENT case 'special' for skipping tests and fail when open() results in any other errno. Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com> Link: https://lore.kernel.org/r/20240129085847.2674082-2-vkuznets@redhat.com Signed-off-by: Sean Christopherson <seanjc@google.com>
2024-01-30KVM: selftests: Avoid infinite loop in hyperv_features when invtsc is missingVitaly Kuznetsov
When X86_FEATURE_INVTSC is missing, guest_test_msrs_access() was supposed to skip testing dependent Hyper-V invariant TSC feature. Unfortunately, 'continue' does not lead to that as stage is not incremented. Moreover, 'vm' allocated with vm_create_with_one_vcpu() is not freed and the test runs out of available file descriptors very quickly. Fixes: bd827bd77537 ("KVM: selftests: Test Hyper-V invariant TSC control") Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com> Link: https://lore.kernel.org/r/20240129085847.2674082-1-vkuznets@redhat.com Signed-off-by: Sean Christopherson <seanjc@google.com>
2024-01-30KVM: selftests: Delete superfluous, unused "stage" variable in AMX testSean Christopherson
Delete the AMX's tests "stage" counter, as the counter is no longer used, which makes clang unhappy: x86_64/amx_test.c:224:6: error: variable 'stage' set but not used int stage, ret; ^ 1 error generated. Note, "stage" was never really used, it just happened to be dumped out by a (failed) assertion on run->exit_reason, i.e. the AMX test has no concept of stages, the code was likely copy+pasted from a different test. Fixes: c96f57b08012 ("KVM: selftests: Make vCPU exit reason test assertion common") Reviewed-by: Jim Mattson <jmattson@google.com> Link: https://lore.kernel.org/r/20240109220302.399296-1-seanjc@google.com Signed-off-by: Sean Christopherson <seanjc@google.com>
2024-01-30KVM: selftests: x86_64: Remove redundant newlinesAndrew Jones
TEST_* functions append their own newline. Remove newlines from TEST_* callsites to avoid extra newlines in output. Signed-off-by: Andrew Jones <ajones@ventanamicro.com> Link: https://lore.kernel.org/r/20231206170241.82801-12-ajones@ventanamicro.com [sean: keep the newline in the "tsc\n" strncmp()] Signed-off-by: Sean Christopherson <seanjc@google.com>
2024-01-30kselftest/seccomp: Report each expectation we assert as a KTAP testMark Brown
The seccomp benchmark test makes a number of checks on the performance it measures and logs them to the output but does so in a custom format which none of the automated test runners understand meaning that the chances that anyone is paying attention are slim. Let's additionally log each result in KTAP format so that automated systems parsing the test output will see each comparison as a test case. The original logs are left in place since they provide the actual numbers for analysis. As part of this rework the flow for the main program so that when we skip tests we still log all the tests we skip, this is because the standard KTAP headers and footers include counts of the number of expected and run tests. Tested-by: Anders Roxell <anders.roxell@linaro.org> Acked-by: Kees Cook <keescook@chromium.org> Signed-off-by: Mark Brown <broonie@kernel.org> Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
2024-01-30kselftest/seccomp: Use kselftest output functions for benchmarkMark Brown
In preparation for trying to output the test results themselves in TAP format rework all the prints in the benchmark to use the kselftest output functions. The uses of system() all produce single line output so we can avoid having to deal with fully managing the child process and continue to use system() by simply printing an empty message before we invoke system(). We also leave one printf() used to complete a line of output in place. Tested-by: Anders Roxell <anders.roxell@linaro.org> Acked-by: Kees Cook <keescook@chromium.org> Signed-off-by: Mark Brown <broonie@kernel.org> Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
2024-01-30selftests/livepatch: fix and refactor new dmesg message codeJoe Lawrence
The livepatching kselftests rely on comparing expected vs. observed dmesg output. After each test, new dmesg entries are determined by the 'comm' utility comparing a saved, pre-test copy of dmesg to post-test dmesg output. Alexander reports that the 'comm --nocheck-order -13' invocation used by the tests can be confused when dmesg entry timestamps vary in magnitude (ie, "[ 98.820331]" vs. "[ 100.031067]"), in which case, additional messages are reported as new. The unexpected entries then spoil the test results. Instead of relying on 'comm' or 'diff' to determine new testing dmesg entries, refactor the code: - pre-test : log a unique canary dmesg entry - test : run tests, log messages - post-test : filter dmesg starting from pre-test message Reported-by: Alexander Gordeev <agordeev@linux.ibm.com> Closes: https://lore.kernel.org/live-patching/ZYAimyPYhxVA9wKg@li-008a6a4c-3549-11b2-a85c-c5cc2836eea2.ibm.com/ Signed-off-by: Joe Lawrence <joe.lawrence@redhat.com> Acked-by: Alexander Gordeev <agordeev@linux.ibm.com> Tested-by: Marcos Paulo de Souza <mpdesouza@suse.com> Reviewed-by: Marcos Paulo de Souza <mpdesouza@suse.com> Acked-by: Miroslav Benes <mbenes@suse.cz> Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
2024-01-29selftests: net: add missing config for nftables-backed iptablesJakub Kicinski
Modern OSes use iptables implementation with nf_tables as a backend, e.g.: $ iptables -V iptables v1.8.8 (nf_tables) Pablo points out that we need CONFIG_NFT_COMPAT to make that work, otherwise we see a lot of: Warning: Extension DNAT revision 0 not supported, missing kernel module? with DNAT being just an example here, other modules we need include udp, TTL, length etc. Link: https://lore.kernel.org/r/20240126201308.2903602-1-kuba@kernel.org Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-01-29Merge tag 'mm-hotfixes-stable-2024-01-28-23-21' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm Pull misc fixes from Andrew Morton: "22 hotfixes. 11 are cc:stable and the remainder address post-6.7 issues or aren't considered appropriate for backporting" * tag 'mm-hotfixes-stable-2024-01-28-23-21' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (22 commits) mm: thp_get_unmapped_area must honour topdown preference mm: huge_memory: don't force huge page alignment on 32 bit userfaultfd: fix mmap_changing checking in mfill_atomic_hugetlb selftests/mm: ksm_tests should only MADV_HUGEPAGE valid memory scs: add CONFIG_MMU dependency for vfree_atomic() mm/memory: fix folio_set_dirty() vs. folio_mark_dirty() in zap_pte_range() mm/huge_memory: fix folio_set_dirty() vs. folio_mark_dirty() selftests/mm: Update va_high_addr_switch.sh to check CPU for la57 flag selftests: mm: fix map_hugetlb failure on 64K page size systems MAINTAINERS: supplement of zswap maintainers update stackdepot: make fast paths lock-less again stackdepot: add stats counters exported via debugfs mm, kmsan: fix infinite recursion due to RCU critical section mm/writeback: fix possible divide-by-zero in wb_dirty_limits(), again selftests/mm: switch to bash from sh MAINTAINERS: add man-pages git trees mm: memcontrol: don't throttle dying tasks on memory.high mm: mmap: map MAP_STACK to VM_NOHUGEPAGE uprobes: use pagesize-aligned virtual address when replacing pages selftests/mm: mremap_test: fix build warning ...
2024-01-29KVM: selftests: s390x: Remove redundant newlinesAndrew Jones
TEST_* functions append their own newline. Remove newlines from TEST_* callsites to avoid extra newlines in output. Signed-off-by: Andrew Jones <ajones@ventanamicro.com> Acked-by: Janosch Frank <frankja@linux.ibm.com> Acked-by: Claudio Imbrenda <imbrenda@linux.ibm.com> Link: https://lore.kernel.org/r/20231206170241.82801-11-ajones@ventanamicro.com Signed-off-by: Sean Christopherson <seanjc@google.com>
2024-01-29KVM: selftests: riscv: Remove redundant newlinesAndrew Jones
TEST_* functions append their own newline. Remove newlines from TEST_* callsites to avoid extra newlines in output. Signed-off-by: Andrew Jones <ajones@ventanamicro.com> Acked-by: Anup Patel <anup@brainfault.org> Link: https://lore.kernel.org/r/20231206170241.82801-10-ajones@ventanamicro.com Signed-off-by: Sean Christopherson <seanjc@google.com>
2024-01-29KVM: selftests: aarch64: Remove redundant newlinesAndrew Jones
TEST_* functions append their own newline. Remove newlines from TEST_* callsites to avoid extra newlines in output. Signed-off-by: Andrew Jones <ajones@ventanamicro.com> Acked-by: Zenghui Yu <yuzenghui@huawei.com> Link: https://lore.kernel.org/r/20231206170241.82801-9-ajones@ventanamicro.com Signed-off-by: Sean Christopherson <seanjc@google.com>
2024-01-29KVM: selftests: Remove redundant newlinesAndrew Jones
TEST_* functions append their own newline. Remove newlines from TEST_* callsites to avoid extra newlines in output. Signed-off-by: Andrew Jones <ajones@ventanamicro.com> Link: https://lore.kernel.org/r/20231206170241.82801-8-ajones@ventanamicro.com Signed-off-by: Sean Christopherson <seanjc@google.com>
2024-01-29KVM: selftests: Reword the NX hugepage test's skip message to be more helpfulSean Christopherson
Rework the NX hugepage test's skip message regarding the magic token to provide all of the necessary magic, and to very explicitly recommended using the wrapper shell script. Opportunistically remove an overzealous newline; splitting the recommendation message across two lines of ~45 characters makes it much harder to read than running out a single line to 98 characters. Link: https://lore.kernel.org/r/20231129224042.530798-1-seanjc@google.com Signed-off-by: Sean Christopherson <seanjc@google.com>
2024-01-28Merge tag 'cxl-fixes-6.8-rc2' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl Pull cxl fixes from Dan Williams: "A build regression fix, a device compatibility fix, and an original bug preventing creation of large (16 device) interleave sets: - Fix unit test build regression fallout from global "missing-prototypes" change - Fix compatibility with devices that do not support interrupts - Fix overflow when calculating the capacity of large interleave sets" * tag 'cxl-fixes-6.8-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl: cxl/region：Fix overflow issue in alloc_hpa() cxl/pci: Skip irq features if MSI/MSI-X are not supported tools/testing/nvdimm: Disable "missing prototypes / declarations" warnings tools/testing/cxl: Disable "missing prototypes / declarations" warnings
2024-01-26selftests: net: give more time for GRO aggregationPaolo Abeni
The gro.sh test-case relay on the gro_flush_timeout to ensure that all the segments belonging to any given batch are properly aggregated. The other end, the sender is a user-space program transmitting each packet with a separate write syscall. A busy host and/or stracing the sender program can make the relevant segments reach the GRO engine after the flush timeout triggers. Give the GRO flush timeout more slack, to avoid sporadic self-tests failures. Fixes: 9af771d2ec04 ("selftests/net: allow GRO coalesce test on veth") Signed-off-by: Paolo Abeni <pabeni@redhat.com> Reviewed-by: Eric Dumazet <edumazet@google.com> Tested-by: Eric Dumazet <edumazet@google.com> Link: https://lore.kernel.org/r/bffec2beab3a5672dd13ecabe4fad81d2155b367.1706206101.git.pabeni@redhat.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-01-26selftests: net: add missing required classifierPaolo Abeni
the udpgro_fraglist self-test uses the BPF classifiers, but the current net self-test configuration does not include it, causing CI failures: # selftests: net: udpgro_frglist.sh # ipv6 # tcp - over veth touching data # -l 4 -6 -D 2001:db8::1 -t rx -4 -t # Error: TC classifier not found. # We have an error talking to the kernel # Error: TC classifier not found. # We have an error talking to the kernel Add the missing knob. Fixes: edae34a3ed92 ("selftests net: add UDP GRO fraglist + bpf self-tests") Signed-off-by: Paolo Abeni <pabeni@redhat.com> Reviewed-by: Maciej Żenczykowski <maze@google.com> Reviewed-by: Eric Dumazet <edumazet@google.com> Link: https://lore.kernel.org/r/7c3643763b331e9a400e1874fe089193c99a1c3f.1706170897.git.pabeni@redhat.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-01-26selftests: net: add missing config for big tcp testsPaolo Abeni
The big_tcp test-case requires a few kernel knobs currently not specified in the net selftests config, causing the following failure: # selftests: net: big_tcp.sh # Error: Failed to load TC action module. # We have an error talking to the kernel ... # Testing for BIG TCP: # CLI GSO | GW GRO | GW GSO | SER GRO # ./big_tcp.sh: line 107: test: !=: unary operator expected ... # on on on on : [FAIL_on_link1] Add the missing configs Fixes: 6bb382bcf742 ("selftests: add a selftest for big tcp") Signed-off-by: Paolo Abeni <pabeni@redhat.com> Acked-by: Aaron Conole <aconole@redhat.com> Acked-by: Xin Long <lucien.xin@gmail.com> Link: https://lore.kernel.org/all/21630ecea872fea13f071342ac64ef52a991a9b5.1706282943.git.pabeni@redhat.com/ Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-01-26Merge tag 'kvm-riscv-6.8-2' of https://github.com/kvm-riscv/linux into HEADPaolo Bonzini
KVM/riscv changes for 6.8 part #2 - Zbc extension support for Guest/VM - Scalar crypto extensions support for Guest/VM - Vector crypto extensions support for Guest/VM - Zfh[min] extensions support for Guest/VM - Zihintntl extension support for Guest/VM - Zvfh[min] extensions support for Guest/VM - Zfa extension support for Guest/VM
2024-01-25selftests/mm: ksm_tests should only MADV_HUGEPAGE valid memoryRyan Roberts
ksm_tests was previously mmapping a region of memory, aligning the returned pointer to a PMD boundary, then setting MADV_HUGEPAGE, but was setting it past the end of the mmapped area due to not taking the pointer alignment into consideration. Fix this behaviour. Up until commit efa7df3e3bb5 ("mm: align larger anonymous mappings on THP boundaries"), this buggy behavior was (usually) masked because the alignment difference was always less than PMD-size. But since the mentioned commit, `ksm_tests -H -s 100` started failing. Link: https://lkml.kernel.org/r/20240122120554.3108022-1-ryan.roberts@arm.com Fixes: 325254899684 ("selftests: vm: add KSM huge pages merging time test") Signed-off-by: Ryan Roberts <ryan.roberts@arm.com> Cc: Pedro Demarchi Gomes <pedrodemargomes@gmail.com> Cc: Shuah Khan <shuah@kernel.org> Cc: <stable@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2024-01-25selftests/mm: Update va_high_addr_switch.sh to check CPU for la57 flagAudra Mitchell
In order for the page table level 5 to be in use, the CPU must have the setting enabled in addition to the CONFIG option. Check for the flag to be set to avoid false test failures on systems that do not have this cpu flag set. The test does a series of mmap calls including three using the MAP_FIXED flag and specifying an address that is 1<<47 or 1<<48. These addresses are only available if you are using level 5 page tables, which requires both the CPU to have the capabiltiy (la57 flag) and the kernel to be configured. Currently the test only checks for the kernel configuration option, so this test can still report a false positive. Here are the three failing lines: $ ./va_high_addr_switch | grep FAILED mmap(ADDR_SWITCH_HINT, 2 * PAGE_SIZE, MAP_FIXED): 0xffffffffffffffff - FAILED mmap(HIGH_ADDR, MAP_FIXED): 0xffffffffffffffff - FAILED mmap(ADDR_SWITCH_HINT, 2 * PAGE_SIZE, MAP_FIXED): 0xffffffffffffffff - FAILED I thought (for about a second) refactoring the test so that these three mmap calls will only be run on systems with the level 5 page tables available, but the whole point of the test is to check the level 5 feature... Link: https://lkml.kernel.org/r/20240119205801.62769-1-audra@redhat.com Fixes: 4f2930c6718a ("selftests/vm: only run 128TBswitch with 5-level paging") Signed-off-by: Audra Mitchell <audra@redhat.com> Cc: Rafael Aquini <raquini@redhat.com> Cc: Shuah Khan <shuah@kernel.org> Cc: Adam Sindelar <adam@wowsignal.io> Cc: <stable@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2024-01-25selftests: mm: fix map_hugetlb failure on 64K page size systemsNico Pache
On systems with 64k page size and 512M huge page sizes, the allocation and test succeeds but errors out at the munmap. As the comment states, munmap will failure if its not HUGEPAGE aligned. This is due to the length of the mapping being 1/2 the size of the hugepage causing the munmap to not be hugepage aligned. Fix this by making the mapping length the full hugepage if the hugepage is larger than the length of the mapping. Link: https://lkml.kernel.org/r/20240119131429.172448-1-npache@redhat.com Signed-off-by: Nico Pache <npache@redhat.com> Cc: Donet Tom <donettom@linux.vnet.ibm.com> Cc: Shuah Khan <shuah@kernel.org> Cc: Christophe Leroy <christophe.leroy@c-s.fr> Cc: Michael Ellerman <mpe@ellerman.id.au> Cc: <stable@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2024-01-25selftests/mm: switch to bash from shMuhammad Usama Anjum
Running charge_reserved_hugetlb.sh generates errors if sh is set to dash: ./charge_reserved_hugetlb.sh: 9: [[: not found ./charge_reserved_hugetlb.sh: 19: [[: not found ./charge_reserved_hugetlb.sh: 27: [[: not found ./charge_reserved_hugetlb.sh: 37: [[: not found ./charge_reserved_hugetlb.sh: 45: Syntax error: "(" unexpected Switch to using /bin/bash instead of /bin/sh. Make the switch for write_hugetlb_memory.sh as well which is called from charge_reserved_hugetlb.sh. Link: https://lkml.kernel.org/r/20240116090455.3407378-1-usama.anjum@collabora.com Signed-off-by: Muhammad Usama Anjum <usama.anjum@collabora.com> Cc: Muhammad Usama Anjum <usama.anjum@collabora.com> Cc: Shuah Khan <shuah@kernel.org> Cc: David Laight <David.Laight@ACULAB.COM> Cc: <stable@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2024-01-25selftests/mm: mremap_test: fix build warningMuhammad Usama Anjum
Use 2 separate variables of types int and unsigned long long instead of confusing them. This corrects the correct print format for each of them and removes the build warning: warning: format `%d' expects argument of type `int', but argument 2 has type `long long unsigned int' Link: https://lkml.kernel.org/r/20240112071851.612930-1-usama.anjum@collabora.com Fixes: a4cb3b243343 ("selftests: mm: add a test for remapping to area immediately after existing mapping") Signed-off-by: Muhammad Usama Anjum <usama.anjum@collabora.com> Cc: Joel Fernandes (Google) <joel@joelfernandes.org> Cc: Lorenzo Stoakes <lstoakes@gmail.com> Cc: Shuah Khan <shuah@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2024-01-25selftests/net/lib: update busywait timeout valueHangbin Liu
The busywait timeout value is a millisecond, not a second. So the current setting 2 is too small. On slow/busy host (or VMs) the current timeout can expire even on "correct" execution, causing random failures. Let's copy the WAIT_TIMEOUT from forwarding/lib.sh and set BUSYWAIT_TIMEOUT here. Fixes: 25ae948b4478 ("selftests/net: add lib.sh") Signed-off-by: Hangbin Liu <liuhangbin@gmail.com> Reviewed-by: Simon Horman <horms@kernel.org> Link: https://lore.kernel.org/r/20240124061344.1864484-1-liuhangbin@gmail.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-01-25selftests: tcp_ao: set the timeout to 2 minutesJakub Kicinski
The default timeout for tests is 45sec, bench-lookups_ipv6 seems to take around 50sec when running in a VM without HW acceleration. Give it a 2x margin and set the timeout to 120sec. Fixes: d1066c9c58d4 ("selftests/net: Add test/benchmark for removing MKTs") Reviewed-by: Dmitry Safonov <0x7f454c46@gmail.com> Link: https://lore.kernel.org/r/20240124233630.1977708-1-kuba@kernel.org Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-01-25selftests: net: explicitly wait for listener readyPaolo Abeni
The UDP GRO forwarding test still hard-code an arbitrary pause to wait for the UDP listener becoming ready in background. That causes sporadic failures depending on the host load. Replace the sleep with the existing helper waiting for the desired port being exposed. Fixes: a062260a9d5f ("selftests: net: add UDP GRO forwarding self-tests") Signed-off-by: Paolo Abeni <pabeni@redhat.com> Reviewed-by: Willem de Bruijn <willemb@google.com> Link: https://lore.kernel.org/r/4d58900fb09cef42749cfcf2ad7f4b91a97d225c.1706131762.git.pabeni@redhat.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-01-25selftests: net: included needed helper in the install targetsPaolo Abeni
The blamed commit below introduce a dependency in some net self-tests towards a newly introduce helper script. Such script is currently not included into the TEST_PROGS_EXTENDED list and thus is not installed, causing failure for the relevant tests when executed from the install dir. Fix the issue updating the install targets. Fixes: 3bdd9fd29cb0 ("selftests/net: synchronize udpgro tests' tx and rx connection") Signed-off-by: Paolo Abeni <pabeni@redhat.com> Reviewed-by: Willem de Bruijn <willemb@google.com> Link: https://lore.kernel.org/r/076e8758e21ff2061cc9f81640e7858df775f0a9.1706131762.git.pabeni@redhat.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-01-25selftests: net: remove dependency on ebpf testsPaolo Abeni
Several net tests requires an XDP program build under the ebpf directory, and error out if such program is not available. That makes running successful net test hard, let's duplicate into the net dir the [very small] program, re-using the existing rules to build it, and finally dropping the bogus dependency. Signed-off-by: Paolo Abeni <pabeni@redhat.com> Reviewed-by: Willem de Bruijn <willemb@google.com> Link: https://lore.kernel.org/r/28e7af7c031557f691dc8045ee41dd549dd5e74c.1706131762.git.pabeni@redhat.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-01-25selftests: tcp_ao: add a config fileJakub Kicinski
Still a bit unclear whether each directory should have its own config file, but assuming they should lets add one for tcp_ao. The following tests still fail with this config in place: - rst_ipv4, - rst_ipv6, - bench-lookups_ipv6. other 21 pass. Fixes: d11301f65977 ("selftests/net: Add TCP-AO ICMPs accept test") Reviewed-by: Dmitry Safonov <0x7f454c46@gmail.com> Link: https://lore.kernel.org/r/20240124192550.1865743-1-kuba@kernel.org Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-01-25Merge tag 'net-6.8-rc2' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net Pull networking fixes from Paolo Abeni: "Including fixes from bpf, netfilter and WiFi. Jakub is doing a lot of work to include the self-tests in our CI, as a result a significant amount of self-tests related fixes is flowing in (and will likely continue in the next few weeks). Current release - regressions: - bpf: fix a kernel crash for the riscv 64 JIT - bnxt_en: fix memory leak in bnxt_hwrm_get_rings() - revert "net: macsec: use skb_ensure_writable_head_tail to expand the skb" Previous releases - regressions: - core: fix removing a namespace with conflicting altnames - tc/flower: fix chain template offload memory leak - tcp: - make sure init the accept_queue's spinlocks once - fix autocork on CPUs with weak memory model - udp: fix busy polling - mlx5e: - fix out-of-bound read in port timestamping - fix peer flow lists corruption - iwlwifi: fix a memory corruption Previous releases - always broken: - netfilter: - nft_chain_filter: handle NETDEV_UNREGISTER for inet/ingress basechain - nft_limit: reject configurations that cause integer overflow - bpf: fix bpf_xdp_adjust_tail() with XSK zero-copy mbuf, avoiding a NULL pointer dereference upon shrinking - llc: make llc_ui_sendmsg() more robust against bonding changes - smc: fix illegal rmb_desc access in SMC-D connection dump - dpll: fix pin dump crash for rebound module - bnxt_en: fix possible crash after creating sw mqprio TCs - hv_netvsc: calculate correct ring size when PAGE_SIZE is not 4kB Misc: - several self-tests fixes for better integration with the netdev CI - added several missing modules descriptions" * tag 'net-6.8-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (88 commits) tsnep: Fix XDP_RING_NEED_WAKEUP for empty fill ring tsnep: Remove FCS for XDP data path net: fec: fix the unhandled context fault from smmu selftests: bonding: do not test arp/ns target with mode balance-alb/tlb fjes: fix memleaks in fjes_hw_setup i40e: update xdp_rxq_info::frag_size for ZC enabled Rx queue i40e: set xdp_rxq_info::frag_size xdp: reflect tail increase for MEM_TYPE_XSK_BUFF_POOL ice: update xdp_rxq_info::frag_size for ZC enabled Rx queue intel: xsk: initialize skb_frag_t::bv_offset in ZC drivers ice: remove redundant xdp_rxq_info registration i40e: handle multi-buffer packets that are shrunk by xdp prog ice: work on pre-XDP prog frag count xsk: fix usage of multi-buffer BPF helpers for ZC XDP xsk: make xsk_buff_pool responsible for clearing xdp_buff::flags xsk: recycle buffer in case Rx queue was full net: fill in MODULE_DESCRIPTION()s for rvu_mbox net: fill in MODULE_DESCRIPTION()s for litex net: fill in MODULE_DESCRIPTION()s for fsl_pq_mdio net: fill in MODULE_DESCRIPTION()s for fec ...
2024-01-25selftests/landlock: Fix fs_test build with old libcHu Yadi
One issue comes up while building selftest/landlock/fs_test on my side (gcc 7.3/glibc-2.28/kernel-4.19). gcc -Wall -O2 -isystem fs_test.c -lcap -o selftests/landlock/fs_test fs_test.c:4575:9: error: initializer element is not constant .mnt = mnt_tmp, ^~~~~~~ Signed-off-by: Hu Yadi <hu.yadi@h3c.com> Suggested-by: Jiao <jiaoxupo@h3c.com> Reviewed-by: Berlin <berlin@h3c.com> Link: https://lore.kernel.org/r/20240124022908.42100-1-hu.yadi@h3c.com Fixes: 04f9070e99a4 ("selftests/landlock: Add tests for pseudo filesystems") [mic: Factor out mount's data string and make mnt_tmp static] Signed-off-by: Mickaël Salaün <mic@digikod.net>
2024-01-25selftests/landlock: Fix net_test build with old libcHu Yadi
One issue comes up while building selftest/landlock/net_test on my side (gcc 7.3/glibc-2.28/kernel-4.19). net_test.c: In function ‘set_service’: net_test.c:91:45: warning: implicit declaration of function ‘gettid’; [-Wimplicit-function-declaration] "_selftests-landlock-net-tid%d-index%d", gettid(), ^~~~~~ getgid net_test.c:(.text+0x4e0): undefined reference to `gettid' Signed-off-by: Hu Yadi <hu.yadi@h3c.com> Suggested-by: Jiao <jiaoxupo@h3c.com> Reviewed-by: Berlin <berlin@h3c.com> Fixes: a549d055a22e ("selftests/landlock: Add network tests") Link: https://lore.kernel.org/r/20240123062621.25082-1-hu.yadi@h3c.com [mic: Cosmetic fixes] Signed-off-by: Mickaël Salaün <mic@digikod.net>
2024-01-25selftests: bonding: do not test arp/ns target with mode balance-alb/tlbHangbin Liu
The prio_arp/ns tests hard code the mode to active-backup. At the same time, The balance-alb/tlb modes do not support arp/ns target. So remove the prio_arp/ns tests from the loop and only test active-backup mode. Fixes: 481b56e0391e ("selftests: bonding: re-format bond option tests") Reported-by: Jay Vosburgh <jay.vosburgh@canonical.com> Closes: https://lore.kernel.org/netdev/17415.1705965957@famine/ Signed-off-by: Hangbin Liu <liuhangbin@gmail.com> Acked-by: Jay Vosburgh <jay.vosburgh@canonical.com> Link: https://lore.kernel.org/r/20240123075917.1576360-1-liuhangbin@gmail.com Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2024-01-24selftests: netdevsim: fix the udp_tunnel_nic testJakub Kicinski
This test is missing a whole bunch of checks for interface renaming and one ifup. Presumably it was only used on a system with renaming disabled and NetworkManager running. Fixes: 91f430b2c49d ("selftests: net: add a test for UDP tunnel info infra") Acked-by: Paolo Abeni <pabeni@redhat.com> Reviewed-by: Simon Horman <horms@kernel.org> Link: https://lore.kernel.org/r/20240123060529.1033912-1-kuba@kernel.org Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-01-24selftests: net: fix rps_default_mask with >32 CPUsJakub Kicinski
If there is more than 32 cpus the bitmask will start to contain commas, leading to: ./rps_default_mask.sh: line 36: [: 00000000,00000000: integer expression expected Remove the commas, bash doesn't interpret leading zeroes as oct so that should be good enough. Switch to bash, Simon reports that not all shells support this type of substitution. Fixes: c12e0d5f267d ("self-tests: introduce self-tests for RPS default mask") Reviewed-by: Simon Horman <horms@kernel.org> Link: https://lore.kernel.org/r/20240122195815.638997-1-kuba@kernel.org Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-01-23selftests: fill in some missing configs for netJakub Kicinski
We are missing a lot of config options from net selftests, it seems: tun/tap: CONFIG_TUN, CONFIG_MACVLAN, CONFIG_MACVTAP fib_tests: CONFIG_NET_SCH_FQ_CODEL l2tp: CONFIG_L2TP, CONFIG_L2TP_V3, CONFIG_L2TP_IP, CONFIG_L2TP_ETH sctp-vrf: CONFIG_INET_DIAG txtimestamp: CONFIG_NET_CLS_U32 vxlan_mdb: CONFIG_BRIDGE_VLAN_FILTERING gre_gso: CONFIG_NET_IPGRE_DEMUX, CONFIG_IP_GRE, CONFIG_IPV6_GRE srv6_end_dt*_l3vpn: CONFIG_IPV6_SEG6_LWTUNNEL ip_local_port_range: CONFIG_MPTCP fib_test: CONFIG_NET_CLS_BASIC rtnetlink: CONFIG_MACSEC, CONFIG_NET_SCH_HTB, CONFIG_XFRM_INTERFACE CONFIG_NET_IPGRE, CONFIG_BONDING fib_nexthops: CONFIG_MPLS, CONFIG_MPLS_ROUTING vxlan_mdb: CONFIG_NET_ACT_GACT tls: CONFIG_TLS, CONFIG_CRYPTO_CHACHA20POLY1305 psample: CONFIG_PSAMPLE fcnal: CONFIG_TCP_MD5SIG Try to add them in a semi-alphabetical order. Fixes: 62199e3f1658 ("selftests: net: Add VXLAN MDB test") Fixes: c12e0d5f267d ("self-tests: introduce self-tests for RPS default mask") Fixes: 122db5e3634b ("selftests/net: add MPTCP coverage for IP_LOCAL_PORT_RANGE") Link: https://lore.kernel.org/r/20240122203528.672004-1-kuba@kernel.org Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-01-23selftest: Don't reuse port for SO_INCOMING_CPU test.Kuniyuki Iwashima
Jakub reported that ASSERT_EQ(cpu, i) in so_incoming_cpu.c seems to fire somewhat randomly. # # RUN so_incoming_cpu.before_reuseport.test3 ... # # so_incoming_cpu.c:191:test3:Expected cpu (32) == i (0) # # test3: Test terminated by assertion # # FAIL so_incoming_cpu.before_reuseport.test3 # not ok 3 so_incoming_cpu.before_reuseport.test3 When the test failed, not-yet-accepted CLOSE_WAIT sockets received SYN with a "challenging" SEQ number, which was sent from an unexpected CPU that did not create the receiver. The test basically does: 1. for each cpu: 1-1. create a server 1-2. set SO_INCOMING_CPU 2. for each cpu: 2-1. set cpu affinity 2-2. create some clients 2-3. let clients connect() to the server on the same cpu 2-4. close() clients 3. for each server: 3-1. accept() all child sockets 3-2. check if all children have the same SO_INCOMING_CPU with the server The root cause was the close() in 2-4. and net.ipv4.tcp_tw_reuse. In a loop of 2., close() changed the client state to FIN_WAIT_2, and the peer transitioned to CLOSE_WAIT. In another loop of 2., connect() happened to select the same port of the FIN_WAIT_2 socket, and it was reused as the default value of net.ipv4.tcp_tw_reuse is 2. As a result, the new client sent SYN to the CLOSE_WAIT socket from a different CPU, and the receiver's sk_incoming_cpu was overwritten with unexpected CPU ID. Also, the SYN had a different SEQ number, so the CLOSE_WAIT socket responded with Challenge ACK. The new client properly returned RST and effectively killed the CLOSE_WAIT socket. This way, all clients were created successfully, but the error was detected later by 3-2., ASSERT_EQ(cpu, i). To avoid the failure, let's make sure that (i) the number of clients is less than the number of available ports and (ii) such reuse never happens. Fixes: 6df96146b202 ("selftest: Add test for SO_INCOMING_CPU.") Reported-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com> Tested-by: Jakub Kicinski <kuba@kernel.org> Link: https://lore.kernel.org/r/20240120031642.67014-1-kuniyu@amazon.com Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2024-01-22tools/testing/nvdimm: Disable "missing prototypes / declarations" warningsDan Williams
Prevent warnings of the form: tools/testing/nvdimm/config_check.c:4:6: error: no previous prototype for ‘check’ [-Werror=missing-prototypes] ...by locally disabling some warnings. It turns out that: Commit 0fcb70851fbf ("Makefile.extrawarn: turn on missing-prototypes globally") ...in addition to expanding in-tree coverage, also impacts out-of-tree module builds like those in tools/testing/nvdimm/. Filter out the warning options on unit test code that does not effect mainline builds. Reviewed-by: Alison Schofield <alison.schofield@intel.com> Link: https://lore.kernel.org/r/170543984331.460832.1780246477583036191.stgit@dwillia2-xfh.jf.intel.com Signed-off-by: Dan Williams <dan.j.williams@intel.com>
2024-01-22tools/testing/cxl: Disable "missing prototypes / declarations" warningsDan Williams
Prevent warnings of the form: tools/testing/cxl/test/mock.c:44:6: error: no previous prototype for ‘__wrap_is_acpi_device_node’ [-Werror=missing-prototypes] tools/testing/cxl/test/mock.c:63:5: error: no previous prototype for ‘__wrap_acpi_table_parse_cedt’ [-Werror=missing-prototypes] tools/testing/cxl/test/mock.c:81:13: error: no previous prototype for ‘__wrap_acpi_evaluate_integer’ [-Werror=missing-prototypes] ...by locally disabling some warnings. It turns out that: Commit 0fcb70851fbf ("Makefile.extrawarn: turn on missing-prototypes globally") ...in addition to expanding in-tree coverage, also impacts out-of-tree module builds like those in tools/testing/cxl/. Filter out the warning options on unit test code that does not effect mainline builds. Reviewed-by: Alison Schofield <alison.schofield@intel.com> Link: https://lore.kernel.org/r/170543983780.460832.10920261849128601697.stgit@dwillia2-xfh.jf.intel.com Signed-off-by: Dan Williams <dan.j.williams@intel.com>
2024-01-22selftests/rseq: Do not skip !allowed_cpus for mm_cidMathieu Desnoyers
Indexing with mm_cid is incompatible with skipping disallowed cpumask, because concurrency IDs are based on a virtual ID allocation which is unrelated to the physical CPU mask. These issues can be reproduced by running the rseq selftests under a taskset which excludes CPU 0, e.g. taskset -c 10-20 ./run_param_test.sh Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com> Cc: Shuah Khan <shuah@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: "Paul E. McKenney" <paulmck@kernel.org> Cc: Boqun Feng <boqun.feng@gmail.com> Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
2024-01-22kselftest: dt: Stop relying on dirname to improve performanceNícolas F. R. A. Prado
When walking directory trees, instead of looking for specific files and running dirname to get the parent folder, traverse all folders and ignore the ones not containing the desired files. This avoids the need to call dirname inside the loop, which drastically decreases run time: Running locally on a mt8192-asurada-spherion, which reports 160 test cases, has gone from 5.5s to 2.9s, while running remotely with an nfsroot has gone from 13.5s to 5.5s. This change has a side-effect, which is that the root DT node now also shows in the output, even though it isn't expected to bind to a driver. However there shouldn't be a matching driver for the board compatible, so the end result will be just an extra skipped test: ok 1 / # SKIP Reported-by: Mark Brown <broonie@kernel.org> Closes: https://lore.kernel.org/all/310391e8-fdf2-4c2f-a680-7744eb685177@sirena.org.uk Fixes: 14571ab1ad21 ("kselftest: Add new test for detecting unprobed Devicetree devices") Tested-by: Mark Brown <broonie@kernel.org> Signed-off-by: Nícolas F. R. A. Prado <nfraprado@collabora.com> Link: https://lore.kernel.org/r/20240122-dt-kselftest-dirname-perf-fix-v2-1-f1630532fd38@collabora.com Signed-off-by: Rob Herring <robh@kernel.org>
2024-01-20Merge tag 'riscv-for-linus-6.8-mw4' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux Pull more RISC-V updates from Palmer Dabbelt: - Support for tuning for systems with fast misaligned accesses. - Support for SBI-based suspend. - Support for the new SBI debug console extension. - The T-Head CMOs now use PA-based flushes. - Support for enabling the V extension in kernel code. - Optimized IP checksum routines. - Various ftrace improvements. - Support for archrandom, which depends on the Zkr extension. - The build is no longer broken under NET=n, KUNIT=y for ports that don't define their own ipv6 checksum. * tag 'riscv-for-linus-6.8-mw4' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux: (56 commits) lib: checksum: Fix build with CONFIG_NET=n riscv: lib: Check if output in asm goto supported riscv: Fix build error on rv32 + XIP riscv: optimize ELF relocation function in riscv RISC-V: Implement archrandom when Zkr is available riscv: Optimize hweight API with Zbb extension riscv: add dependency among Image(.gz), loader(.bin), and vmlinuz.efi samples: ftrace: Add RISC-V support for SAMPLE_FTRACE_DIRECT[_MULTI] riscv: ftrace: Add DYNAMIC_FTRACE_WITH_DIRECT_CALLS support riscv: ftrace: Make function graph use ftrace directly riscv: select FTRACE_MCOUNT_USE_PATCHABLE_FUNCTION_ENTRY lib/Kconfig.debug: Update AS_HAS_NON_CONST_LEB128 comment and name riscv: Restrict DWARF5 when building with LLVM to known working versions riscv: Hoist linker relaxation disabling logic into Kconfig kunit: Add tests for csum_ipv6_magic and ip_fast_csum riscv: Add checksum library riscv: Add checksum header riscv: Add static key for misaligned accesses asm-generic: Improve csum_fold RISC-V: selftests: cbo: Ensure asm operands match constraints ...
2024-01-19selftests: bonding: Increase timeout to 1200sBenjamin Poirier
When tests are run by runner.sh, bond_options.sh gets killed before it can complete: make -C tools/testing/selftests run_tests TARGETS="drivers/net/bonding" [...] # timeout set to 120 # selftests: drivers/net/bonding: bond_options.sh # TEST: prio (active-backup miimon primary_reselect 0) [ OK ] # TEST: prio (active-backup miimon primary_reselect 1) [ OK ] # TEST: prio (active-backup miimon primary_reselect 2) [ OK ] # TEST: prio (active-backup arp_ip_target primary_reselect 0) [ OK ] # TEST: prio (active-backup arp_ip_target primary_reselect 1) [ OK ] # TEST: prio (active-backup arp_ip_target primary_reselect 2) [ OK ] # not ok 7 selftests: drivers/net/bonding: bond_options.sh # TIMEOUT 120 seconds This test includes many sleep statements, at least some of which are related to timers in the operation of the bonding driver itself. Increase the test timeout to allow the test to complete. I ran the test in slightly different VMs (including one without HW virtualization support) and got runtimes of 13m39.760s, 13m31.238s, and 13m2.956s. Use a ~1.5x "safety factor" and set the timeout to 1200s. Fixes: 42a8d4aaea84 ("selftests: bonding: add bonding prio option test") Reported-by: Jakub Kicinski <kuba@kernel.org> Closes: https://lore.kernel.org/netdev/20240116104402.1203850a@kernel.org/#t Suggested-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: Benjamin Poirier <bpoirier@nvidia.com> Reviewed-by: Hangbin Liu <liuhangbin@gmail.com> Link: https://lore.kernel.org/r/20240118001233.304759-1-bpoirier@nvidia.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-01-19KVM: riscv: selftests: Add Zfa extension to get-reg-list testAnup Patel
The KVM RISC-V allows Zfa extension for Guest/VM so let us add this extension to get-reg-list test. Signed-off-by: Anup Patel <apatel@ventanamicro.com> Reviewed-by: Andrew Jones <ajones@ventanamicro.com> Signed-off-by: Anup Patel <anup@brainfault.org>
2024-01-19KVM: riscv: selftests: Add Zvfh[min] extensions to get-reg-list testAnup Patel
The KVM RISC-V allows Zvfh[min] extensions for Guest/VM so let us add these extensions to get-reg-list test. Signed-off-by: Anup Patel <apatel@ventanamicro.com> Reviewed-by: Andrew Jones <ajones@ventanamicro.com> Signed-off-by: Anup Patel <anup@brainfault.org>
2024-01-19KVM: riscv: selftests: Add Zihintntl extension to get-reg-list testAnup Patel
The KVM RISC-V allows Zihintntl extension for Guest/VM so let us add this extension to get-reg-list test. Signed-off-by: Anup Patel <apatel@ventanamicro.com> Reviewed-by: Andrew Jones <ajones@ventanamicro.com> Signed-off-by: Anup Patel <anup@brainfault.org>
generated by cgit (git 2.34.1) at 2025-10-03 11:23:25 +0000