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2021-02-15selftests: gpio: rework and simplify test implementationKent Gibson4-288/+535
The GPIO mockup selftests are overly complicated with separate implementations of the tests for sysfs and cdev uAPI, and with the cdev implementation being dependent on tools/gpio and libmount. Rework the test implementation to provide a common test suite with a simplified pluggable uAPI interface. The cdev implementation utilises the GPIO uAPI directly to remove the dependence on tools/gpio. The simplified uAPI interface removes the need for any file system mount checks in C, and so removes the dependence on libmount. The rework also fixes the sysfs test implementation which has been broken since the device created in the multiple gpiochip case was split into separate devices. Fixes: 8a39f597bcfd ("gpio: mockup: rework device probing") Signed-off-by: Kent Gibson <[email protected]> Acked-by: Linus Walleij <[email protected]> Signed-off-by: Bartosz Golaszewski <[email protected]>
2021-02-15kselftest: add support for skipped testsTimur Tabi1-6/+12
Update the kselftest framework to allow client drivers to specify that some tests were skipped. Signed-off-by: Timur Tabi <[email protected]> Reviewed-by: Petr Mladek <[email protected]> Tested-by: Petr Mladek <[email protected]> Acked-by: Marco Elver <[email protected]> Signed-off-by: Petr Mladek <[email protected]> Link: https://lore.kernel.org/r/[email protected]
2021-02-12selftests/bpf: Add unit tests for pointers in global functionsDmitrii Banshchikov11-0/+449
test_global_func9 - check valid pointer's scenarios test_global_func10 - check that a smaller type cannot be passed as a larger one test_global_func11 - check that CTX pointer cannot be passed test_global_func12 - check access to a null pointer test_global_func13 - check access to an arbitrary pointer value test_global_func14 - check that an opaque pointer cannot be passed test_global_func15 - check that a variable has an unknown value after it was passed to a global function by pointer test_global_func16 - check access to uninitialized stack memory test_global_func_args - check read and write operations through a pointer Signed-off-by: Dmitrii Banshchikov <[email protected]> Signed-off-by: Alexei Starovoitov <[email protected]> Acked-by: Andrii Nakryiko <[email protected]> Link: https://lore.kernel.org/bpf/[email protected]
2021-02-12selftests: tc: Add generic mpls matching support for tc-flowerGuillaume Nault2-1/+162
Add tests in tc_flower.sh for generic matching on MPLS Label Stack Entries. The label, tc, bos and ttl fields are tested for the first and second labels. For each field, the minimal and maximal values are tested (the former at depth 1 and the later at depth 2). There are also tests for matching the presence of a label stack entry at a given depth. In order to reduce the amount of code, all "lse" subcommands are tested in match_mpls_lse_test(). Action "continue" is used, so that test packets are evaluated by all filters. Then, we can verify if each filter matched the expected number of packets. Some versions of tc-flower produced invalid json output when dumping MPLS filters with depth > 1. Skip the test if tc isn't recent enough. Signed-off-by: Guillaume Nault <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2021-02-12selftests: tc: Add basic mpls_* matching support for tc-flowerGuillaume Nault3-1/+187
Add tests in tc_flower.sh for mpls_label, mpls_tc, mpls_bos and mpls_ttl. For each keyword, test the minimal and maximal values. Selectively skip these new mpls tests for tc versions that don't support them. Signed-off-by: Guillaume Nault <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2021-02-12flow_dissector: fix TTL and TOS dissection on IPv4 fragmentsDavide Caratti1-1/+37
the following command: # tc filter add dev $h2 ingress protocol ip pref 1 handle 101 flower \ $tcflags dst_ip 192.0.2.2 ip_ttl 63 action drop doesn't drop all IPv4 packets that match the configured TTL / destination address. In particular, if "fragment offset" or "more fragments" have non zero value in the IPv4 header, setting of FLOW_DISSECTOR_KEY_IP is simply ignored. Fix this dissecting IPv4 TTL and TOS before fragment info; while at it, add a selftest for tc flower's match on 'ip_ttl' that verifies the correct behavior. Fixes: 518d8a2e9bad ("net/flow_dissector: add support for dissection of misc ip header fields") Reported-by: Shuang Li <[email protected]> Signed-off-by: Davide Caratti <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2021-02-12selftests: mptcp: fail if not enough SYN/3rd ACKMatthieu Baerts1-8/+20
If we receive less MPCapable SYN or 3rd ACK than expected, we now mark the test as failed. On the other hand, if we receive more, we keep the warning but we add a hint that it is probably due to retransmissions and that's why we don't mark the test as failed. Closes: https://github.com/multipath-tcp/mptcp_net-next/issues/148 Signed-off-by: Matthieu Baerts <[email protected]> Signed-off-by: Mat Martineau <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2021-02-12selftests: mptcp: display warnings on one lineMatthieu Baerts1-23/+40
Before we had this in case of SYN retransmissions: (...) # ns4 MPTCP -> ns2 (10.0.1.2:10034 ) MPTCP (duration 1201ms) [ OK ] # ns4 MPTCP -> ns2 (dead:beef:1::2:10035) MPTCP (duration 1242ms) [ OK ] # ns4 MPTCP -> ns2 (10.0.2.1:10036 ) MPTCP ns2-60143c00-cDZWo4 SYNRX: MPTCP -> MPTCP: expect 11, got # 13 # (duration 6221ms) [ OK ] # ns4 MPTCP -> ns2 (dead:beef:2::1:10037) MPTCP (duration 1427ms) [ OK ] # ns4 MPTCP -> ns3 (10.0.2.2:10038 ) MPTCP (duration 881ms) [ OK ] (...) Now we have: (...) # ns4 MPTCP -> ns2 (10.0.1.2:10034 ) MPTCP (duration 1201ms) [ OK ] # ns4 MPTCP -> ns2 (dead:beef:1::2:10035) MPTCP (duration 1242ms) [ OK ] # ns4 MPTCP -> ns2 (10.0.2.1:10036 ) MPTCP (duration 6221ms) [ OK ] WARN: SYNRX: expect 11, got 13 # ns4 MPTCP -> ns2 (dead:beef:2::1:10037) MPTCP (duration 1427ms) [ OK ] # ns4 MPTCP -> ns3 (10.0.2.2:10038 ) MPTCP (duration 881ms) [ OK ] (...) So we put everything on one line, keep the durations and "OK" aligned and removed duplicated info to short the warning. Signed-off-by: Matthieu Baerts <[email protected]> Signed-off-by: Mat Martineau <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2021-02-12selftests: mptcp: fix ACKRX debug messageMatthieu Baerts1-1/+1
Info from received MPCapable SYN were printed instead of the ones from received MPCapable 3rd ACK. Fixes: fed61c4b584c ("selftests: mptcp: make 2nd net namespace use tcp syn cookies unconditionally") Signed-off-by: Matthieu Baerts <[email protected]> Signed-off-by: Mat Martineau <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2021-02-12selftests: mptcp: dump more info on errorsPaolo Abeni1-3/+12
Even if that may sound completely unlikely, the mptcp implementation is not perfect, yet. When the self-tests report an error we usually need more information of what the scripts currently report. iproute allow provides some additional goodies since a few releases, let's dump them. Signed-off-by: Paolo Abeni <[email protected]> Signed-off-by: Mat Martineau <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2021-02-13selftests/bpf: Tests using bpf_check_mtu BPF-helperJesper Dangaard Brouer2-0/+414
Adding selftest for BPF-helper bpf_check_mtu(). Making sure it can be used from both XDP and TC. V16: - Fix 'void' function definition V11: - Addresse nitpicks from Andrii Nakryiko V10: - Remove errno non-zero test in CHECK_ATTR() - Addresse comments from Andrii Nakryiko Signed-off-by: Jesper Dangaard Brouer <[email protected]> Signed-off-by: Daniel Borkmann <[email protected]> Acked-by: Andrii Nakryiko <[email protected]> Link: https://lore.kernel.org/bpf/161287791989.790810.13612620012522164562.stgit@firesoul
2021-02-13selftests/bpf: Use bpf_check_mtu in selftest test_cls_redirectJesper Dangaard Brouer1-0/+7
This demonstrate how bpf_check_mtu() helper can easily be used together with bpf_skb_adjust_room() helper, prior to doing size adjustment, as delta argument is already setup. Hint: This specific test can be selected like this: ./test_progs -t cls_redirect Signed-off-by: Jesper Dangaard Brouer <[email protected]> Signed-off-by: Daniel Borkmann <[email protected]> Acked-by: John Fastabend <[email protected]> Link: https://lore.kernel.org/bpf/161287791481.790810.4444271170546646080.stgit@firesoul
2021-02-12selftests/bpf: Add test for bpf_iter_task_vmaSong Liu3-10/+174
The test dumps information similar to /proc/pid/maps. The first line of the output is compared against the /proc file to make sure they match. Signed-off-by: Song Liu <[email protected]> Signed-off-by: Alexei Starovoitov <[email protected]> Acked-by: Yonghong Song <[email protected]> Link: https://lore.kernel.org/bpf/[email protected]
2021-02-12bpf: selftests: Add non function pointer test to struct_opsMartin KaFai Lau1-0/+1
This patch adds a "void *owner" member. The existing bpf_tcp_ca test will ensure the bpf_cubic.o and bpf_dctcp.o can be loaded. Signed-off-by: Martin KaFai Lau <[email protected]> Signed-off-by: Andrii Nakryiko <[email protected]> Acked-by: Andrii Nakryiko <[email protected]> Link: https://lore.kernel.org/bpf/[email protected]
2021-02-12Merge tag 'kvmarm-5.12' of ↵Paolo Bonzini5-9/+17
git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into HEAD KVM/arm64 updates for Linux 5.12 - Make the nVHE EL2 object relocatable, resulting in much more maintainable code - Handle concurrent translation faults hitting the same page in a more elegant way - Support for the standard TRNG hypervisor call - A bunch of small PMU/Debug fixes - Allow the disabling of symbol export from assembly code - Simplification of the early init hypercall handling
2021-02-12Merge branch 'for-mingo-nolibc' of ↵Ingo Molnar1-1/+1
git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu into core/rcu Pull nolibc fixes from Paul E. McKenney. Signed-off-by: Ingo Molnar <[email protected]>
2021-02-12Merge branch 'for-mingo-rcu' of ↵Ingo Molnar13-41/+642
git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu into core/rcu Pull RCU updates from Paul E. McKenney: - Documentation updates. - Miscellaneous fixes. - kfree_rcu() updates: Addition of mem_dump_obj() to provide allocator return addresses to more easily locate bugs. This has a couple of RCU-related commits, but is mostly MM. Was pulled in with akpm's agreement. - Per-callback-batch tracking of numbers of callbacks, which enables better debugging information and smarter reactions to large numbers of callbacks. - The first round of changes to allow CPUs to be runtime switched from and to callback-offloaded state. - CONFIG_PREEMPT_RT-related changes. - RCU CPU stall warning updates. - Addition of polling grace-period APIs for SRCU. - Torture-test and torture-test scripting updates, including a "torture everything" script that runs rcutorture, locktorture, scftorture, rcuscale, and refscale. Plus does an allmodconfig build. Signed-off-by: Ingo Molnar <[email protected]>
2021-02-11selftests/bpf: Add a selftest for the tracing bpf_get_socket_cookieFlorent Revest2-6/+41
This builds up on the existing socket cookie test which checks whether the bpf_get_socket_cookie helpers provide the same value in cgroup/connect6 and sockops programs for a socket created by the userspace part of the test. Instead of having an update_cookie sockops program tag a socket local storage with 0xFF, this uses both an update_cookie_sockops program and an update_cookie_tracing program which succesively tag the socket with 0x0F and then 0xF0. Signed-off-by: Florent Revest <[email protected]> Signed-off-by: Alexei Starovoitov <[email protected]> Acked-by: KP Singh <[email protected]> Link: https://lore.kernel.org/bpf/[email protected]
2021-02-11selftests/bpf: Use vmlinux.h in socket_cookie_prog.cFlorent Revest1-5/+6
When migrating from the bpf.h's to the vmlinux.h's definition of struct bps_sock, an interesting LLVM behavior happened. LLVM started producing two fetches of ctx->sk in the sockops program this means that the verifier could not keep track of the NULL-check on ctx->sk. Therefore, we need to extract ctx->sk in a variable before checking and dereferencing it. Signed-off-by: Florent Revest <[email protected]> Signed-off-by: Alexei Starovoitov <[email protected]> Acked-by: KP Singh <[email protected]> Acked-by: Andrii Nakryiko <[email protected]> Link: https://lore.kernel.org/bpf/[email protected]
2021-02-11selftests/bpf: Integrate the socket_cookie test to test_progsFlorent Revest5-213/+72
Currently, the selftest for the BPF socket_cookie helpers is built and run independently from test_progs. It's easy to forget and hard to maintain. This patch moves the socket cookies test into prog_tests/ and vastly simplifies its logic by: - rewriting the loading code with BPF skeletons - rewriting the server/client code with network helpers - rewriting the cgroup code with test__join_cgroup - rewriting the error handling code with CHECKs Signed-off-by: Florent Revest <[email protected]> Signed-off-by: Alexei Starovoitov <[email protected]> Acked-by: KP Singh <[email protected]> Acked-by: Andrii Nakryiko <[email protected]> Link: https://lore.kernel.org/bpf/[email protected]
2021-02-11selftests/ftrace: Add '!event' synthetic event syntax checkTom Zanussi1-0/+4
Add a check confirming that '!event' alone will remove a synthetic event. Link: https://lkml.kernel.org/r/1dff3f03d18542cece08c10d6323d8a8dba11e42.1612208610.git.zanussi@kernel.org Signed-off-by: Tom Zanussi <[email protected]> Signed-off-by: Steven Rostedt (VMware) <[email protected]>
2021-02-11selftests/ftrace: Update synthetic event syntax errorsTom Zanussi1-8/+27
Some of the synthetic event errors and positions have changed in the code - update those and add several more tests. Also add a runtime check to ensure that the kernel supports dynamic strings in synthetic events, which these tests require. Link: https://lkml.kernel.org/r/51402656433455baead34f068c6e9466b64df9c0.1612208610.git.zanussi@kernel.org Fixes: 81ff92a93d95 (selftests/ftrace: Add test case for synthetic event syntax errors) Reported-by: Masami Hiramatsu <[email protected]> Signed-off-by: Tom Zanussi <[email protected]> Signed-off-by: Steven Rostedt (VMware) <[email protected]>
2021-02-11selftests/bpf: Convert test_xdp_redirect.sh to bashBjörn Töpel1-7/+3
The test_xdp_redirect.sh script uses a bash feature, '&>'. On systems, e.g. Debian, where '/bin/sh' is dash, this will not work as expected. Use bash in the shebang to get the expected behavior. Further, using 'set -e' means that the error of a command cannot be captured without the command being executed with '&&' or '||'. Let us restructure the ping-commands, and use them as an if-expression, so that we can capture the return value. v4: Added missing Fixes:, and removed local variables. (Andrii) v3: Reintroduced /bin/bash, and kept 'set -e'. (Andrii) v2: Kept /bin/sh and removed bashisms. (Randy) Fixes: 996139e801fd ("selftests: bpf: add a test for XDP redirect") Signed-off-by: Björn Töpel <[email protected]> Signed-off-by: Daniel Borkmann <[email protected]> Acked-by: Andrii Nakryiko <[email protected]> Link: https://lore.kernel.org/bpf/[email protected]
2021-02-11selftests/bpf: Add a test for map-in-map and per-cpu maps in sleepable progsAlexei Starovoitov1-0/+69
Add a basic test for map-in-map and per-cpu maps in sleepable programs. Signed-off-by: Alexei Starovoitov <[email protected]> Signed-off-by: Daniel Borkmann <[email protected]> Acked-by: Andrii Nakryiko <[email protected]> Acked-by: KP Singh <[email protected]> Link: https://lore.kernel.org/bpf/[email protected]
2021-02-11selftests/bpf: Improve recursion selftestAlexei Starovoitov1-0/+8
Since recursion_misses counter is available in bpf_prog_info improve the selftest to make sure it's counting correctly. Signed-off-by: Alexei Starovoitov <[email protected]> Signed-off-by: Daniel Borkmann <[email protected]> Link: https://lore.kernel.org/bpf/[email protected]
2021-02-11selftest/bpf: Add a recursion testAlexei Starovoitov2-0/+79
Add recursive non-sleepable fentry program as a test. All attach points where sleepable progs can execute are non recursive so far. The recursion protection mechanism for sleepable cannot be activated yet. Signed-off-by: Alexei Starovoitov <[email protected]> Signed-off-by: Daniel Borkmann <[email protected]> Acked-by: Andrii Nakryiko <[email protected]> Link: https://lore.kernel.org/bpf/[email protected]
2021-02-11bpf: Add per-program recursion prevention mechanismAlexei Starovoitov2-4/+4
Since both sleepable and non-sleepable programs execute under migrate_disable add recursion prevention mechanism to both types of programs when they're executed via bpf trampoline. Signed-off-by: Alexei Starovoitov <[email protected]> Signed-off-by: Daniel Borkmann <[email protected]> Acked-by: Andrii Nakryiko <[email protected]> Link: https://lore.kernel.org/bpf/[email protected]
2021-02-11KVM: selftests: Don't bother mapping GVA for Xen shinfo testSean Christopherson1-4/+3
Don't bother mapping the Xen shinfo pages into the guest, they don't need to be accessed using the GVAs and passing a define with "GPA" in the name to addr_gva2hpa() is confusing. Cc: David Woodhouse <[email protected]> Signed-off-by: Sean Christopherson <[email protected]> Message-Id: <[email protected]> Reviewed-by: David Woodhouse <[email protected]> Signed-off-by: Paolo Bonzini <[email protected]>
2021-02-11KVM: selftests: Fix hex vs. decimal snafu in Xen testSean Christopherson1-1/+1
The Xen shinfo selftest uses '40' when setting the GPA of the vCPU info struct, but checks for the result at '0x40'. Arbitrarily use the hex version to resolve the bug. Fixes: 8d4e7e80838f ("KVM: x86: declare Xen HVM shared info capability and add test case") Cc: David Woodhouse <[email protected]> Signed-off-by: Sean Christopherson <[email protected]> Message-Id: <[email protected]> Reviewed-by: David Woodhouse <[email protected]> Signed-off-by: Paolo Bonzini <[email protected]>
2021-02-11KVM: selftests: Fix size of memslots created by Xen testsSean Christopherson2-4/+2
For better or worse, the memslot APIs take the number of pages, not the size in bytes. The Xen tests need 2 pages, not 8192 pages. Fixes: 8d4e7e80838f ("KVM: x86: declare Xen HVM shared info capability and add test case") Cc: David Woodhouse <[email protected]> Signed-off-by: Sean Christopherson <[email protected]> Message-Id: <[email protected]> Reviewed-by: David Woodhouse <[email protected]> Signed-off-by: Paolo Bonzini <[email protected]>
2021-02-11KVM: selftests: Ignore recently added Xen tests' build outputSean Christopherson1-0/+2
Add the new Xen test binaries to KVM selftest's .gitnore. Signed-off-by: Sean Christopherson <[email protected]> Message-Id: <[email protected]> Reviewed-by: David Woodhouse <[email protected]> Signed-off-by: Paolo Bonzini <[email protected]>
2021-02-11KVM: selftests: Add missing header file needed by xAPIC IPI testsPeter Shier1-0/+55
Fixes: 678e90a349a4 ("KVM: selftests: Test IPI to halted vCPU in xAPIC while backing page moves") Cc: Andrew Jones <[email protected]> Cc: Jim Mattson <[email protected]> Signed-off-by: Peter Shier <[email protected]> Signed-off-by: Sean Christopherson <[email protected]> Message-Id: <[email protected]> Signed-off-by: Paolo Bonzini <[email protected]>
2021-02-11KVM: selftests: Add operand to vmsave/vmload/vmrun in svm.cRicardo Koller1-4/+4
Building the KVM selftests with LLVM's integrated assembler fails with: $ CFLAGS=-fintegrated-as make -C tools/testing/selftests/kvm CC=clang lib/x86_64/svm.c:77:16: error: too few operands for instruction asm volatile ("vmsave\n\t" : : "a" (vmcb_gpa) : "memory"); ^ <inline asm>:1:2: note: instantiated into assembly here vmsave ^ lib/x86_64/svm.c:134:3: error: too few operands for instruction "vmload\n\t" ^ <inline asm>:1:2: note: instantiated into assembly here vmload ^ This is because LLVM IAS does not currently support calling vmsave, vmload, or vmload without an explicit %rax operand. Add an explicit operand to vmsave, vmload, and vmrum in svm.c. Fixing this was suggested by Sean Christopherson. Tested: building without this error in clang 11. The following patch (not queued yet) needs to be applied to solve the other remaining error: "selftests: kvm: remove reassignment of non-absolute variables". Suggested-by: Sean Christopherson <[email protected]> Link: https://lore.kernel.org/kvm/[email protected]/ Reviewed-by: Jim Mattson <[email protected]> Signed-off-by: Ricardo Koller <[email protected]> Message-Id: <[email protected]> Signed-off-by: Paolo Bonzini <[email protected]>
2021-02-10Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/netDavid S. Miller11-21/+1275
2021-02-10selftests/bpf: Simplify the calculation of variablesJiapeng Chong1-3/+3
Fix the following coccicheck warnings: ./tools/testing/selftests/bpf/xdpxceiver.c:954:28-30: WARNING !A || A && B is equivalent to !A || B. ./tools/testing/selftests/bpf/xdpxceiver.c:932:28-30: WARNING !A || A && B is equivalent to !A || B. ./tools/testing/selftests/bpf/xdpxceiver.c:909:28-30: WARNING !A || A && B is equivalent to !A || B. Reported-by: Abaci Robot <[email protected]> Signed-off-by: Jiapeng Chong <[email protected]> Signed-off-by: Andrii Nakryiko <[email protected]> Link: https://lore.kernel.org/bpf/1612860398-102839-1-git-send-email-jiapeng.chong@linux.alibaba.com
2021-02-10selftests/bpf: Fix endianness issues in atomic testsIlya Leoshkevich3-3/+3
Atomic tests store a DW, but then load it back as a W from the same address. This doesn't work on big-endian systems, and since the point of those tests is not testing narrow loads, fix simply by loading a DW. Fixes: 98d666d05a1d ("bpf: Add tests for new BPF atomic operations") Signed-off-by: Ilya Leoshkevich <[email protected]> Signed-off-by: Andrii Nakryiko <[email protected]> Link: https://lore.kernel.org/bpf/[email protected]
2021-02-10Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/netLinus Torvalds3-9/+14
Pull networking fixes from David Miller: "Another pile of networing fixes: 1) ath9k build error fix from Arnd Bergmann 2) dma memory leak fix in mediatec driver from Lorenzo Bianconi. 3) bpf int3 kprobe fix from Alexei Starovoitov. 4) bpf stackmap integer overflow fix from Bui Quang Minh. 5) Add usb device ids for Cinterion MV31 to qmi_qwwan driver, from Christoph Schemmel. 6) Don't update deleted entry in xt_recent netfilter module, from Jazsef Kadlecsik. 7) Use after free in nftables, fix from Pablo Neira Ayuso. 8) Header checksum fix in flowtable from Sven Auhagen. 9) Validate user controlled length in qrtr code, from Sabyrzhan Tasbolatov. 10) Fix race in xen/netback, from Juergen Gross, 11) New device ID in cxgb4, from Raju Rangoju. 12) Fix ring locking in rxrpc release call, from David Howells. 13) Don't return LAPB error codes from x25_open(), from Xie He. 14) Missing error returns in gsi_channel_setup() from Alex Elder. 15) Get skb_copy_and_csum_datagram working properly with odd segment sizes, from Willem de Bruijn. 16) Missing RFS/RSS table init in enetc driver, from Vladimir Oltean. 17) Do teardown on probe failure in DSA, from Vladimir Oltean. 18) Fix compilation failures of txtimestamp selftest, from Vadim Fedorenko. 19) Limit rx per-napi gro queue size to fix latency regression, from Eric Dumazet. 20) dpaa_eth xdp fixes from Camelia Groza. 21) Missing txq mode update when switching CBS off, in stmmac driver, from Mohammad Athari Bin Ismail. 22) Failover pending logic fix in ibmvnic driver, from Sukadev Bhattiprolu. 23) Null deref fix in vmw_vsock, from Norbert Slusarek. 24) Missing verdict update in xdp paths of ena driver, from Shay Agroskin. 25) seq_file iteration fix in sctp from Neil Brown. 26) bpf 32-bit src register truncation fix on div/mod, from Daniel Borkmann. 27) Fix jmp32 pruning in bpf verifier, from Daniel Borkmann. 28) Fix locking in vsock_shutdown(), from Stefano Garzarella. 29) Various missing index bound checks in hns3 driver, from Yufeng Mo. 30) Flush ports on .phylink_mac_link_down() in dsa felix driver, from Vladimir Oltean. 31) Don't mix up stp and mrp port states in bridge layer, from Horatiu Vultur. 32) Fix locking during netif_tx_disable(), from Edwin Peer" * git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (45 commits) bpf: Fix 32 bit src register truncation on div/mod bpf: Fix verifier jmp32 pruning decision logic bpf: Fix verifier jsgt branch analysis on max bound vsock: fix locking in vsock_shutdown() net: hns3: add a check for index in hclge_get_rss_key() net: hns3: add a check for tqp_index in hclge_get_ring_chain_from_mbx() net: hns3: add a check for queue_id in hclge_reset_vf_queue() net: dsa: felix: implement port flushing on .phylink_mac_link_down switchdev: mrp: Remove SWITCHDEV_ATTR_ID_MRP_PORT_STAT bridge: mrp: Fix the usage of br_mrp_port_switchdev_set_state net: watchdog: hold device global xmit lock during tx disable netfilter: nftables: relax check for stateful expressions in set definition netfilter: conntrack: skip identical origin tuple in same zone only vsock/virtio: update credit only if socket is not closed net: fix iteration for sctp transport seq_files net: ena: Update XDP verdict upon failure net/vmw_vsock: improve locking in vsock_connect_timeout() net/vmw_vsock: fix NULL pointer dereference ibmvnic: Clear failover_pending if unable to schedule net: stmmac: set TxQ mode back to DCB after disabling CBS ...
2021-02-10selftest/bpf: Add test for var-offset stack accessAndrei Matei2-0/+86
Add a higher-level test (C BPF program) for the new functionality - variable access stack reads and writes. Signed-off-by: Andrei Matei <[email protected]> Signed-off-by: Alexei Starovoitov <[email protected]> Link: https://lore.kernel.org/bpf/[email protected]
2021-02-10selftest/bpf: Verifier tests for var-off accessAndrei Matei1-2/+97
Add tests for the new functionality - reading and writing to the stack through a variable-offset pointer. Signed-off-by: Andrei Matei <[email protected]> Signed-off-by: Alexei Starovoitov <[email protected]> Link: https://lore.kernel.org/bpf/[email protected]
2021-02-10selftest/bpf: Adjust expected verifier errorsAndrei Matei9-37/+41
The verifier errors around stack accesses have changed slightly in the previous commit (generally for the better). Signed-off-by: Andrei Matei <[email protected]> Signed-off-by: Alexei Starovoitov <[email protected]> Link: https://lore.kernel.org/bpf/[email protected]
2021-02-09selftests/vm: rename file run_vmtests to run_vmtests.shRong Chen1-0/+0
Commit c2aa8afc36fa has renamed run_vmtests in Makefile, but the file still uses the old name. The kernel test robot reported the following issue: # selftests: vm: run_vmtests.sh # Warning: file run_vmtests.sh is missing! not ok 1 selftests: vm: run_vmtests.sh Link: https://lkml.kernel.org/r/[email protected] Fixes: c2aa8afc36fa (selftests/vm: rename run_vmtests --> run_vmtests.sh) Signed-off-by: Rong Chen <[email protected]> Reported-by: kernel test robot <[email protected]> Reviewed-by: John Hubbard <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2021-02-09selftests/seccomp: Accept any valid fd in user_notification_addfdSeth Forshee1-6/+2
This test expects fds to have specific values, which works fine when the test is run standalone. However, the kselftest runner consumes a couple of extra fds for redirection when running tests, so the test fails when run via kselftest. Change the test to pass on any valid fd number. Signed-off-by: Seth Forshee <[email protected]> Acked-by: Shuah Khan <[email protected]> Acked-by: Kees Cook <[email protected]> Signed-off-by: Shuah Khan <[email protected]>
2021-02-09KVM: x86: hyper-v: Make Hyper-V emulation enablement conditionalVitaly Kuznetsov4-39/+39
Hyper-V emulation is enabled in KVM unconditionally. This is bad at least from security standpoint as it is an extra attack surface. Ideally, there should be a per-VM capability explicitly enabled by VMM but currently it is not the case and we can't mandate one without breaking backwards compatibility. We can, however, check guest visible CPUIDs and only enable Hyper-V emulation when "Hv#1" interface was exposed in HYPERV_CPUID_INTERFACE. Note, VMMs are free to act in any sequence they like, e.g. they can try to set MSRs first and CPUIDs later so we still need to allow the host to read/write Hyper-V specific MSRs unconditionally. Signed-off-by: Vitaly Kuznetsov <[email protected]> Message-Id: <[email protected]> [Add selftest vcpu_set_hv_cpuid API to avoid breaking xen_vmcall_test. - Paolo] Signed-off-by: Paolo Bonzini <[email protected]>
2021-02-09selftests: kvm: Properly set Hyper-V CPUIDs in evmcs_testVitaly Kuznetsov1-1/+38
Generally, when Hyper-V emulation is enabled, VMM is supposed to set Hyper-V CPUID identifications so the guest knows that Hyper-V features are available. evmcs_test doesn't currently do that but so far Hyper-V emulation in KVM was enabled unconditionally. As we are about to change that, proper Hyper-V CPUID identification should be set in selftests as well. Signed-off-by: Vitaly Kuznetsov <[email protected]> Message-Id: <[email protected]> Signed-off-by: Paolo Bonzini <[email protected]>
2021-02-09selftests: kvm: Move kvm_get_supported_hv_cpuid() to common codeVitaly Kuznetsov3-28/+39
kvm_get_supported_hv_cpuid() may come handy in all Hyper-V related tests. Split it off hyperv_cpuid test, create system-wide and vcpu versions. Signed-off-by: Vitaly Kuznetsov <[email protected]> Message-Id: <[email protected]> Signed-off-by: Paolo Bonzini <[email protected]>
2021-02-09selftests: kvm: Raise the default timeout to 120 secondsVitaly Kuznetsov1-0/+1
With the updated maximum number of user memslots (32) set_memory_region_test sometimes takes longer than the default 45 seconds to finish. Raise the value to an arbitrary 120 seconds. Signed-off-by: Vitaly Kuznetsov <[email protected]> Message-Id: <[email protected]> Signed-off-by: Paolo Bonzini <[email protected]>
2021-02-08selftests/bpf: Add missing cleanup in atomic_bounds testBrendan Jackman1-0/+2
Add missing skeleton destroy call. Fixes: 37086bfdc737 ("bpf: Propagate stack bounds to registers in atomics w/ BPF_FETCH") Reported-by: Yonghong Song <[email protected]> Signed-off-by: Brendan Jackman <[email protected]> Signed-off-by: Andrii Nakryiko <[email protected]> Link: https://lore.kernel.org/bpf/[email protected]
2021-02-08selftests/bpf: Remove unneeded semicolonYang Li1-1/+1
Eliminate the following coccicheck warning: ./tools/testing/selftests/bpf/test_flow_dissector.c:506:2-3: Unneeded semicolon Reported-by: Abaci Robot <[email protected]> Signed-off-by: Yang Li <[email protected]> Signed-off-by: Andrii Nakryiko <[email protected]> Link: https://lore.kernel.org/bpf/[email protected]
2021-02-08selftests: netdevsim: Test route offload failure notificationsAmit Cohen1-2/+132
Add cases to verify that when debugfs variable "fail_route_offload" is set, notification with "rt_offload_failed" flag is received. Extend the existing cases to verify that when sysctl "fib_notify_on_flag_change" is set to 2, the kernel emits notifications only for failed route installation. $ ./fib_notifications.sh TEST: IPv4 route addition [ OK ] TEST: IPv4 route deletion [ OK ] TEST: IPv4 route replacement [ OK ] TEST: IPv4 route offload failed [ OK ] TEST: IPv6 route addition [ OK ] TEST: IPv6 route deletion [ OK ] TEST: IPv6 route replacement [ OK ] TEST: IPv6 route offload failed [ OK ] Signed-off-by: Amit Cohen <[email protected]> Signed-off-by: Ido Schimmel <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2021-02-08selftests/timens: add futex binary to .gitignoreTobias Klauser1-0/+1
Add the futex test binary introduced by commit a4fd8414659b ("selftests/timens: Add a test for futex()") to .gitignore. Signed-off-by: Tobias Klauser <[email protected]> Signed-off-by: Shuah Khan <[email protected]>
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