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2019-12-23kunit: Rename 'kunitconfig' to '.kunitconfig'SeongJae Park
This commit renames 'kunitconfig' to '.kunitconfig' so that it can be automatically ignored by git and do not disturb people who want to type 'kernel/' by pressing only the 'k' and then 'tab' key. Signed-off-by: SeongJae Park <sjpark@amazon.de> Reviewed-by: Brendan Higgins <brendanhiggins@google.com> Tested-by: Brendan Higgins <brendanhiggins@google.com> Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
2019-12-23kunit: Place 'test.log' under the 'build_dir'SeongJae Park
'kunit' writes the 'test.log' under the kernel source directory even though a 'build_dir' option is given. As users who use the option might expect the outputs to be placed under the specified directory, this commit modifies the logic to write the log file under the 'build_dir'. Signed-off-by: SeongJae Park <sjpark@amazon.de> Reviewed-by: Brendan Higgins <brendanhiggins@google.com> Tested-by: Brendan Higgins <brendanhiggins@google.com> Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
2019-12-23kunit: Create default config in '--build_dir'SeongJae Park
If both '--build_dir' and '--defconfig' are given, the handling of '--defconfig' ignores '--build_dir' option. This commit modifies the behavior to respect '--build_dir' option. Reported-by: Brendan Higgins <brendanhiggins@google.com> Suggested-by: Brendan Higgins <brendanhiggins@google.com> Signed-off-by: SeongJae Park <sjpark@amazon.de> Reviewed-by: Brendan Higgins <brendanhiggins@google.com> Tested-by: Brendan Higgins <brendanhiggins@google.com> Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
2019-12-23kunit: Remove duplicated defconfig creationSeongJae Park
'--defconfig' option is handled by the 'main() of the 'kunit.py' but again handled in following 'run_tests()'. This commit removes this duplicated handling of the option in the 'run_tests()'. Signed-off-by: SeongJae Park <sjpark@amazon.de> Reviewed-by: Brendan Higgins <brendanhiggins@google.com> Tested-by: Brendan Higgins <brendanhiggins@google.com> Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
2019-12-23selftests: livepatch: Fix it to do root uid check and skipShuah Khan
livepatch test configures the system and debug environment to run tests. Some of these actions fail without root access and test dumps several permission denied messages before it exits. Fix test-state.sh to call setup_config instead of set_dynamic_debug as suggested by Petr Mladek <pmladek@suse.com> Fix it to check root uid and exit with skip code instead. Signed-off-by: Shuah Khan <skhan@linuxfoundation.org> Acked-by: Joe Lawrence <joe.lawrence@redhat.com> Reviewed-by: Petr Mladek <pmladek@suse.com> Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
2019-12-23selftests: firmware: Fix it to do root uid check and skipShuah Khan
firmware attempts to load test modules that require root access and fail. Fix it to check for root uid and exit with skip code instead. Before this fix: selftests: firmware: fw_run_tests.sh modprobe: ERROR: could not insert 'test_firmware': Operation not permitted You must have the following enabled in your kernel: CONFIG_TEST_FIRMWARE=y CONFIG_FW_LOADER=y CONFIG_FW_LOADER_USER_HELPER=y CONFIG_IKCONFIG=y CONFIG_IKCONFIG_PROC=y not ok 1 selftests: firmware: fw_run_tests.sh # SKIP With this fix: selftests: firmware: fw_run_tests.sh skip all tests: must be run as root not ok 1 selftests: firmware: fw_run_tests.sh # SKIP Signed-off-by: Shuah Khan <skhan@linuxfoundation.org> Reviwed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
2019-12-23selftests: filesystems/epoll: fix build errorShuah Khan
epoll build fails to find pthread lib. Fix Makefile to use LDLIBS instead of LDFLAGS. LDLIBS is the right flag to use here with -l option when invoking ld. gcc -I../../../../../usr/include/ -lpthread epoll_wakeup_test.c -o .../tools/testing/selftests/filesystems/epoll/epoll_wakeup_test /usr/bin/ld: /tmp/ccaZvJUl.o: in function `kill_timeout': epoll_wakeup_test.c:(.text+0x4dd): undefined reference to `pthread_kill' /usr/bin/ld: epoll_wakeup_test.c:(.text+0x4f2): undefined reference to `pthread_kill' /usr/bin/ld: /tmp/ccaZvJUl.o: in function `epoll9': epoll_wakeup_test.c:(.text+0x6382): undefined reference to `pthread_create' /usr/bin/ld: epoll_wakeup_test.c:(.text+0x64d2): undefined reference to `pthread_create' /usr/bin/ld: epoll_wakeup_test.c:(.text+0x6626): undefined reference to `pthread_join' /usr/bin/ld: epoll_wakeup_test.c:(.text+0x684c): undefined reference to `pthread_tryjoin_np' /usr/bin/ld: epoll_wakeup_test.c:(.text+0x6864): undefined reference to `pthread_kill' /usr/bin/ld: epoll_wakeup_test.c:(.text+0x6878): undefined reference to `pthread_join' Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
2019-12-23libbpf: Fix build on read-only filesystemsNamhyung Kim
I got the following error when I tried to build perf on a read-only filesystem with O=dir option. $ cd /some/where/ro/linux/tools/perf $ make O=$HOME/build/perf ... CC /home/namhyung/build/perf/lib.o /bin/sh: bpf_helper_defs.h: Read-only file system make[3]: *** [Makefile:184: bpf_helper_defs.h] Error 1 make[2]: *** [Makefile.perf:778: /home/namhyung/build/perf/libbpf.a] Error 2 make[2]: *** Waiting for unfinished jobs.... LD /home/namhyung/build/perf/libperf-in.o AR /home/namhyung/build/perf/libperf.a PERF_VERSION = 5.4.0 make[1]: *** [Makefile.perf:225: sub-make] Error 2 make: *** [Makefile:70: all] Error 2 It was becaused bpf_helper_defs.h was generated in current directory. Move it to OUTPUT directory. Signed-off-by: Namhyung Kim <namhyung@kernel.org> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Tested-by: Andrii Nakryiko <andriin@fb.com> Acked-by: Andrii Nakryiko <andriin@fb.com> Link: https://lore.kernel.org/bpf/20191223061326.843366-1-namhyung@kernel.org
2019-12-22Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/netDavid S. Miller
Mere overlapping changes in the conflicts here. Signed-off-by: David S. Miller <davem@davemloft.net>
2019-12-22Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/netLinus Torvalds
Pull networking fixes from David Miller: 1) Several nf_flow_table_offload fixes from Pablo Neira Ayuso, including adding a missing ipv6 match description. 2) Several heap overflow fixes in mwifiex from qize wang and Ganapathi Bhat. 3) Fix uninit value in bond_neigh_init(), from Eric Dumazet. 4) Fix non-ACPI probing of nxp-nci, from Stephan Gerhold. 5) Fix use after free in tipc_disc_rcv(), from Tuong Lien. 6) Enforce limit of 33 tail calls in mips and riscv JIT, from Paul Chaignon. 7) Multicast MAC limit test is off by one in qede, from Manish Chopra. 8) Fix established socket lookup race when socket goes from TCP_ESTABLISHED to TCP_LISTEN, because there lacks an intervening RCU grace period. From Eric Dumazet. 9) Don't send empty SKBs from tcp_write_xmit(), also from Eric Dumazet. 10) Fix active backup transition after link failure in bonding, from Mahesh Bandewar. 11) Avoid zero sized hash table in gtp driver, from Taehee Yoo. 12) Fix wrong interface passed to ->mac_link_up(), from Russell King. 13) Fix DSA egress flooding settings in b53, from Florian Fainelli. 14) Memory leak in gmac_setup_txqs(), from Navid Emamdoost. 15) Fix double free in dpaa2-ptp code, from Ioana Ciornei. 16) Reject invalid MTU values in stmmac, from Jose Abreu. 17) Fix refcount leak in error path of u32 classifier, from Davide Caratti. 18) Fix regression causing iwlwifi firmware crashes on boot, from Anders Kaseorg. 19) Fix inverted return value logic in llc2 code, from Chan Shu Tak. 20) Disable hardware GRO when XDP is attached to qede, frm Manish Chopra. 21) Since we encode state in the low pointer bits, dst metrics must be at least 4 byte aligned, which is not necessarily true on m68k. Add annotations to fix this, from Geert Uytterhoeven. * git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (160 commits) sfc: Include XDP packet headroom in buffer step size. sfc: fix channel allocation with brute force net: dst: Force 4-byte alignment of dst_metrics selftests: pmtu: fix init mtu value in description hv_netvsc: Fix unwanted rx_table reset net: phy: ensure that phy IDs are correctly typed mod_devicetable: fix PHY module format qede: Disable hardware gro when xdp prog is installed net: ena: fix issues in setting interrupt moderation params in ethtool net: ena: fix default tx interrupt moderation interval net/smc: unregister ib devices in reboot_event net: stmmac: platform: Fix MDIO init for platforms without PHY llc2: Fix return statement of llc_stat_ev_rx_null_dsap_xid_c (and _test_c) net: hisilicon: Fix a BUG trigered by wrong bytes_compl net: dsa: ksz: use common define for tag len s390/qeth: don't return -ENOTSUPP to userspace s390/qeth: fix promiscuous mode after reset s390/qeth: handle error due to unsupported transport mode cxgb4: fix refcount init for TC-MQPRIO offload tc-testing: initial tdc selftests for cls_u32 ...
2019-12-21Merge tag 'libnvdimm-fix-5.5-rc3' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm Pull libnvdimm fix from Dan Williams: "A minor regression fix. The libnvdimm unit tests were expecting to mock calls to ioremap_nocache() which disappeared in v5.5-rc1. This fix has appeared in -next and collided with some cleanups that Christoph has planned for v5.6, but he will fix up his branch once this goes in. Summary: - Restore the operation of the libnvdimm unit tests after the removal of ioremap_nocache()" * tag 'libnvdimm-fix-5.5-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm: tools/testing/nvdimm: Fix mock support for ioremap
2019-12-20selftests: pmtu: fix init mtu value in descriptionHangbin Liu
There is no a_r3, a_r4 in the testing topology. It should be b_r1, b_r2. Also b_r1 mtu is 1400 and b_r2 mtu is 1500. Fixes: e44e428f59e4 ("selftests: pmtu: add basic IPv4 and IPv6 PMTU tests") Signed-off-by: Hangbin Liu <liuhangbin@gmail.com> Acked-by: Stefano Brivio <sbrivio@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-12-20vsock_test: add SOCK_STREAM MSG_PEEK testStefano Garzarella
Test if the MSG_PEEK flags of recv(2) works as expected. Signed-off-by: Stefano Garzarella <sgarzare@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-12-20testing/vsock: print list of options and descriptionStefano Garzarella
Since we now have several options, in the help we print the list of all supported options and a brief description of them. Signed-off-by: Stefano Garzarella <sgarzare@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-12-20testing/vsock: add parameters to list and skip testsStefano Garzarella
Some tests can fail with transports that have a slightly different behavior, so let's add the possibility to specify which tests to skip. Signed-off-by: Stefano Garzarella <sgarzare@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-12-20vsock_test: wait for the remote to close the connectionStefano Garzarella
Before check if a send returns -EPIPE, we need to make sure the connection is closed. To do that, we use epoll API to wait EPOLLRDHUP or EPOLLHUP events on the socket. Reported-by: Jorgen Hansen <jhansen@vmware.com> Signed-off-by: Stefano Garzarella <sgarzare@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-12-20VSOCK: add AF_VSOCK test casesStefan Hajnoczi
The vsock_test.c program runs a test suite of AF_VSOCK test cases. Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Stefano Garzarella <sgarzare@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-12-20VSOCK: add send_byte()/recv_byte() test utilitiesStefan Hajnoczi
Test cases will want to transfer data. This patch adds utility functions to do this. Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Stefano Garzarella <sgarzare@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-12-20VSOCK: add full barrier between test casesStefan Hajnoczi
See code comment for details. Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Stefano Garzarella <sgarzare@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-12-20VSOCK: extract connect/accept functions from vsock_diag_test.cStefan Hajnoczi
Many test cases will need to connect to the server or accept incoming connections. This patch extracts these operations into utility functions that can be reused. Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Stefano Garzarella <sgarzare@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-12-20VSOCK: extract utility functions from vsock_diag_test.cStefan Hajnoczi
Move useful functions into a separate file in preparation for more vsock test programs. Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Stefano Garzarella <sgarzare@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-12-20VSOCK: add SPDX identifiers to vsock testsStefan Hajnoczi
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Stefano Garzarella <sgarzare@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-12-20VSOCK: fix header include in vsock_diag_testStefan Hajnoczi
The vsock_diag_test program directly included ../../../include/uapi/ headers from the source tree. Tests are supposed to use the usr/include/linux/ headers that have been prepared with make headers_install instead. Suggested-by: David S. Miller <davem@davemloft.net> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Stefano Garzarella <sgarzare@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-12-20selftests/bpf: Preserve errno in test_progs CHECK macrosAndrey Ignatov
It's follow-up for discussion [1] CHECK and CHECK_FAIL macros in test_progs.h can affect errno in some circumstances, e.g. if some code accidentally closes stdout. It makes checking errno in patterns like this unreliable: if (CHECK(!bpf_prog_attach_xattr(...), "tag", "msg")) goto err; CHECK_FAIL(errno != ENOENT); , since by CHECK_FAIL time errno could be affected not only by bpf_prog_attach_xattr but by CHECK as well. Fix it by saving and restoring errno in the macros. There is no "Fixes" tag since no problems were discovered yet and it's rather precaution. test_progs was run with this change and no difference was identified. [1] https://lore.kernel.org/bpf/20191219210907.GD16266@rdna-mbp.dhcp.thefacebook.com/ Signed-off-by: Andrey Ignatov <rdna@fb.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org> Acked-by: Andrii Nakryiko <andriin@fb.com> Link: https://lore.kernel.org/bpf/20191220000511.1684853-1-rdna@fb.com
2019-12-19selftests/bpf: Test BPF_F_REPLACE in cgroup_attach_multiAndrey Ignatov
Test replacing a cgroup-bpf program attached with BPF_F_ALLOW_MULTI and possible failure modes: invalid combination of flags, invalid replace_bpf_fd, replacing a non-attachd to specified cgroup program. Example of program replacing: # gdb -q --args ./test_progs --name=cgroup_attach_multi ... Breakpoint 1, test_cgroup_attach_multi () at cgroup_attach_multi.c:227 (gdb) [1]+ Stopped gdb -q --args ./test_progs --name=cgroup_attach_multi # bpftool c s /mnt/cgroup2/cgroup-test-work-dir/cg1 ID AttachType AttachFlags Name 2133 egress multi 2134 egress multi # fg gdb -q --args ./test_progs --name=cgroup_attach_multi (gdb) c Continuing. Breakpoint 2, test_cgroup_attach_multi () at cgroup_attach_multi.c:233 (gdb) [1]+ Stopped gdb -q --args ./test_progs --name=cgroup_attach_multi # bpftool c s /mnt/cgroup2/cgroup-test-work-dir/cg1 ID AttachType AttachFlags Name 2139 egress multi 2134 egress multi Signed-off-by: Andrey Ignatov <rdna@fb.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org> Acked-by: Andrii Nakryiko <andriin@fb.com> Link: https://lore.kernel.org/bpf/7b9b83e8d5fb82e15b034341bd40b6fb2431eeba.1576741281.git.rdna@fb.com
2019-12-19selftests/bpf: Convert test_cgroup_attach to prog_testsAndrey Ignatov
Convert test_cgroup_attach to prog_tests. This change does a lot of things but in many cases it's pretty expensive to separate them, so they go in one commit. Nevertheless the logic is ketp as is and changes made are just moving things around, simplifying them (w/o changing the meaning of the tests) and making prog_tests compatible: * split the 3 tests in the file into 3 separate files in prog_tests/; * rename the test functions to test_<file_base_name>; * remove unused includes, constants, variables and functions from every test; * replace `if`-s with or `if (CHECK())` where additional context should be logged and with `if (CHECK_FAIL())` where line number is enough; * switch from `log_err()` to logging via `CHECK()`; * replace `assert`-s with `CHECK_FAIL()` to avoid crashing the whole test_progs if one assertion fails; * replace cgroup_helpers with test__join_cgroup() in cgroup_attach_override only, other tests need more fine-grained control for cgroup creation/deletion so cgroup_helpers are still used there; * simplify cgroup_attach_autodetach by switching to easiest possible program since this test doesn't really need such a complicated program as cgroup_attach_multi does; * remove test_cgroup_attach.c itself. Signed-off-by: Andrey Ignatov <rdna@fb.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org> Acked-by: Andrii Nakryiko <andriin@fb.com> Link: https://lore.kernel.org/bpf/0ff19cc64d2dc5cf404349f07131119480e10e32.1576741281.git.rdna@fb.com
2019-12-19tc-testing: initial tdc selftests for cls_u32Davide Caratti
- move test "e9a3 - Add u32 with source match" to u32.json, and change the match pattern to catch all hnodes - add testcases for relevant error paths of cls_u32 module Signed-off-by: Davide Caratti <dcaratti@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-12-20selftests: netfilter: extend flowtable test script with dnat ruleFlorian Westphal
NAT test currently covers snat (masquerade) only. Also add a dnat rule and then check that a connecting to the to-be-dnated address will work. Signed-off-by: Florian Westphal <fw@strlen.de> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2019-12-19Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpfDavid S. Miller
Daniel Borkmann says: ==================== pull-request: bpf 2019-12-19 The following pull-request contains BPF updates for your *net* tree. We've added 10 non-merge commits during the last 8 day(s) which contain a total of 21 files changed, 269 insertions(+), 108 deletions(-). The main changes are: 1) Fix lack of synchronization between xsk wakeup and destroying resources used by xsk wakeup, from Maxim Mikityanskiy. 2) Fix pruning with tail call patching, untrack programs in case of verifier error and fix a cgroup local storage tracking bug, from Daniel Borkmann. 3) Fix clearing skb->tstamp in bpf_redirect() when going from ingress to egress which otherwise cause issues e.g. on fq qdisc, from Lorenz Bauer. 4) Fix compile warning of unused proc_dointvec_minmax_bpf_restricted() when only cBPF is present, from Alexander Lobakin. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2019-12-19bpf: Add further test_verifier cases for record_func_keyDaniel Borkmann
Expand dummy prog generation such that we can easily check on return codes and add few more test cases to make sure we keep on tracking pruning behavior. # ./test_verifier [...] #1066/p XDP pkt read, pkt_data <= pkt_meta', bad access 1 OK #1067/p XDP pkt read, pkt_data <= pkt_meta', bad access 2 OK Summary: 1580 PASSED, 0 SKIPPED, 0 FAILED Also verified that JIT dump of added test cases looks good. Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Signed-off-by: Alexei Starovoitov <ast@kernel.org> Link: https://lore.kernel.org/bpf/df7200b6021444fd369376d227de917357285b65.1576789878.git.daniel@iogearbox.net
2019-12-19selftests/bpf: Fix test_attach_probeAlexei Starovoitov
Fix two issues in test_attach_probe: 1. it was not able to parse /proc/self/maps beyond the first line, since %s means parse string until white space. 2. offset has to be accounted for otherwise uprobed address is incorrect. Fixes: 1e8611bbdfc9 ("selftests/bpf: add kprobe/uprobe selftests") Signed-off-by: Alexei Starovoitov <ast@kernel.org> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Acked-by: Yonghong Song <yhs@fb.com> Acked-by: Andrii Nakryiko <andriin@fb.com> Link: https://lore.kernel.org/bpf/20191219020442.1922617-1-ast@kernel.org
2019-12-18libbpf: Allow to augment system Kconfig through extra optional configAndrii Nakryiko
Instead of all or nothing approach of overriding Kconfig file location, allow to extend it with extra values and override chosen subset of values though optional user-provided extra config, passed as a string through open options' .kconfig option. If same config key is present in both user-supplied config and Kconfig, user-supplied one wins. This allows applications to more easily test various conditions despite host kernel's real configuration. If all of BPF object's __kconfig externs are satisfied from user-supplied config, system Kconfig won't be read at all. Simplify selftests by not needing to create temporary Kconfig files. Suggested-by: Alexei Starovoitov <ast@fb.com> Signed-off-by: Andrii Nakryiko <andriin@fb.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org> Link: https://lore.kernel.org/bpf/20191219002837.3074619-3-andriin@fb.com
2019-12-18libbpf: Put Kconfig externs into .kconfig sectionAndrii Nakryiko
Move Kconfig-provided externs into custom .kconfig section. Add __kconfig into bpf_helpers.h for user convenience. Update selftests accordingly. Suggested-by: Daniel Borkmann <daniel@iogearbox.net> Signed-off-by: Andrii Nakryiko <andriin@fb.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org> Link: https://lore.kernel.org/bpf/20191219002837.3074619-2-andriin@fb.com
2019-12-18Merge tag 'tpmdd-next-20191219' of git://git.infradead.org/users/jjs/linux-tpmddLinus Torvalds
Pull tpm fixes from Jarkko Sakkinen: "Bunch of fixes for rc3" * tag 'tpmdd-next-20191219' of git://git.infradead.org/users/jjs/linux-tpmdd: tpm/tpm_ftpm_tee: add shutdown call back tpm: selftest: cleanup after unseal with wrong auth/policy test tpm: selftest: add test covering async mode tpm: fix invalid locking in NONBLOCKING mode security: keys: trusted: fix lost handle flush tpm_tis: reserve chip for duration of tpm_tis_core_init KEYS: asymmetric: return ENOMEM if akcipher_request_alloc() fails KEYS: remove CONFIG_KEYS_COMPAT
2019-12-18bpf: Allow to change skb mark in test_runNikita V. Shirokov
allow to pass skb's mark field into bpf_prog_test_run ctx for BPF_PROG_TYPE_SCHED_CLS prog type. that would allow to test bpf programs which are doing decision based on this field Signed-off-by: Nikita V. Shirokov <tehnerd@tehnerd.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2019-12-18selftests: qdiscs: Add test coverage for ETS QdiscPetr Machata
Add TDC coverage for the new ETS Qdisc. Signed-off-by: Petr Machata <petrm@mellanox.com> Reviewed-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-12-18selftests: forwarding: sch_ets: Add test coverage for ETS QdiscPetr Machata
This tests the newly-added ETS Qdisc. It runs two to three streams of traffic, each with a different priority. ETS Qdisc is supposed to allocate bandwidth according to the DRR algorithm and given weights. After running the traffic for a while, counters are compared for each stream to check that the expected ratio is in fact observed. In order for the DRR process to kick in, a traffic bottleneck must exist in the first place. In slow path, such bottleneck can be implemented by wrapping the ETS Qdisc inside a TBF or other shaper. This might however make the configuration unoffloadable. Instead, on HW datapath, the bottleneck would be set up by lowering port speed and configuring shared buffer suitably. Therefore the test is structured as a core component that implements the testing, with two wrapper scripts that implement the details of slow path resp. fast path configuration. Signed-off-by: Petr Machata <petrm@mellanox.com> Reviewed-by: Ido Schimmel <idosch@mellanox.com> Acked-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-12-18selftests: forwarding: Move start_/stop_traffic from mlxsw to lib.shPetr Machata
These two functions are used for starting several streams of traffic, and then stopping them later. They will be handy for the test coverage of ETS Qdisc. Move them from mlxsw-specific qos_lib.sh to the generic lib.sh. Signed-off-by: Petr Machata <petrm@mellanox.com> Reviewed-by: Ido Schimmel <idosch@mellanox.com> Acked-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-12-17bpftool, selftests/bpf: Embed object file inside skeletonAndrii Nakryiko
Embed contents of BPF object file used for BPF skeleton generation inside skeleton itself. This allows to keep BPF object file and its skeleton in sync at all times, and simpifies skeleton instantiation. Also switch existing selftests to not require BPF_EMBED_OBJ anymore. Signed-off-by: Andrii Nakryiko <andriin@fb.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org> Acked-by: Yonghong Song <yhs@fb.com> Link: https://lore.kernel.org/bpf/20191218052552.2915188-2-andriin@fb.com
2019-12-18selftests/bpf: More succinct Makefile outputAndrii Nakryiko
Similarly to bpftool/libbpf output, make selftests/bpf output succinct per-item output line. Output is roughly as follows: $ make ... CLANG-LLC [test_maps] pyperf600.o CLANG-LLC [test_maps] strobemeta.o CLANG-LLC [test_maps] pyperf100.o EXTRA-OBJ [test_progs] cgroup_helpers.o EXTRA-OBJ [test_progs] trace_helpers.o BINARY test_align BINARY test_verifier_log GEN-SKEL [test_progs] fexit_bpf2bpf.skel.h GEN-SKEL [test_progs] test_global_data.skel.h GEN-SKEL [test_progs] sendmsg6_prog.skel.h ... To see the actual command invocation, verbose mode can be turned on with V=1 argument: $ make V=1 ... very verbose output ... Signed-off-by: Andrii Nakryiko <andriin@fb.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Acked-by: Yonghong Song <yhs@fb.com> Link: https://lore.kernel.org/bpf/20191217061425.2346359-1-andriin@fb.com
2019-12-17dma-buf: heaps: Use _IOCTL_ for userspace IOCTL identifierAndrew F. Davis
This is more consistent with the DMA and DRM frameworks convention. This patch is only a name change, no logic is changed. Signed-off-by: Andrew F. Davis <afd@ti.com> Acked-by: John Stultz <john.stultz@linaro.org> Signed-off-by: Sumit Semwal <sumit.semwal@linaro.org> Link: https://patchwork.freedesktop.org/patch/msgid/20191216133405.1001-2-afd@ti.com
2019-12-17Merge tag 'drm-misc-next-2019-12-16' of ↵Daniel Vetter
git://anongit.freedesktop.org/drm/drm-misc into drm-next drm-misc-next for v5.6: UAPI Changes: - Add support for DMA-BUF HEAPS. Cross-subsystem Changes: - mipi dsi definition updates, pulled into drm-intel as well. - Add lockdep annotations for dma_resv vs mmap_sem and fs_reclaim. - Remove support for dma-buf kmap/kunmap. - Constify fb_ops in all fbdev drivers, including drm drivers and drm-core, and media as well. Core Changes: - Small cleanups to ttm. - Fix SCDC definition. - Assorted cleanups to core. - Add todo to remove load/unload hooks, and use generic fbdev emulation. - Assorted documentation updates. - Use blocking ww lock in ttm fault handler. - Remove drm_fb_helper_fbdev_setup/teardown. - Warning fixes with W=1 for atomic. - Use drm_debug_enabled() instead of drm_debug flag testing in various drivers. - Fallback to nontiled mode in fbdev emulation when not all tiles are present. (Later on reverted) - Various kconfig indentation fixes in core and drivers. - Fix freeing transactions in dp-mst correctly. - Sean Paul is steping down as core maintainer. :-( - Add lockdep annotations for atomic locks vs dma-resv. - Prevent use-after-free for a bad job in drm_scheduler. - Fill out all block sizes in the P01x and P210 definitions. - Avoid division by zero in drm/rect, and fix bounds. - Add drm/rect selftests. - Add aspect ratio and alternate clocks for HDMI 4k modes. - Add todo for drm_framebuffer_funcs and fb_create cleanup. - Drop DRM_AUTH for prime import/export ioctls. - Clear DP-MST payload id tables downstream when initializating. - Fix for DSC throughput definition. - Add extra FEC definitions. - Fix fake offset in drm_gem_object_funs.mmap. - Stop using encoder->bridge in core directly - Handle bridge chaining slightly better. - Add backlight support to drm/panel, and use it in many panel drivers. - Increase max number of y420 modes from 128 to 256, as preparation to add the new modes. Driver Changes: - Small fixes all over. - Fix documentation in vkms. - Fix mmap_sem vs dma_resv in nouveau. - Small cleanup in komeda. - Add page flip support in gma500 for psb/cdv. - Add ddc symlink in the connector sysfs directory for many drivers. - Add support for analogic an6345, and fix small bugs in it. - Add atomic modesetting support to ast. - Fix radeon fault handler VMA race. - Switch udl to use generic shmem helpers. - Unconditional vblank handling for mcde. - Miscellaneous fixes to mcde. - Tweak debug output from komeda using debugfs. - Add gamma and color transform support to komeda for DOU-IPS. - Add support for sony acx424AKP panel. - Various small cleanups to gma500. - Use generic fbdev emulation in udl, and replace udl_framebuffer with generic implementation. - Add support for Logic PD Type 28 panel. - Use drm_panel_* wrapper functions in exynos/tegra/msm. - Add devicetree bindings for generic DSI panels. - Don't include drm_pci.h directly in many drivers. - Add support for begin/end_cpu_access in udmabuf. - Stop using drm_get_pci_dev in gma500 and mga200. - Fixes to UDL damage handling, and use dma_buf_begin/end_cpu_access. - Add devfreq thermal support to panfrost. - Fix hotplug with daisy chained monitors by removing VCPI when disabling topology manager. - meson: Add support for OSD1 plane AFBC commit. - Stop displaying garbage when toggling ast primary plane on/off. - More cleanups and fixes to UDL. - Add D32 suport to komeda. - Remove globle copy of drm_dev in gma500. - Add support for Boe Himax8279d MIPI-DSI LCD panel. - Add support for ingenic JZ4770 panel. - Small null pointer deference fix in ingenic. - Remove support for the special tfp420 driver, as there is a generic way to do it. Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> From: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/ba73535a-9334-5302-2e1f-5208bd7390bd@linux.intel.com
2019-12-17tpm: selftest: cleanup after unseal with wrong auth/policy testTadeusz Struk
Unseal with wrong auth or wrong policy test affects DA lockout and eventually causes the tests to fail with: "ProtocolError: TPM_RC_LOCKOUT: rc=0x00000921" when the tests run multiple times. Send tpm clear command after the test to reset the DA counters. Signed-off-by: Tadeusz Struk <tadeusz.struk@intel.com> Reviewed-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com> Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
2019-12-17tpm: selftest: add test covering async modeTadeusz Struk
Add a test that sends a tpm cmd in an async mode. Currently there is a gap in test coverage with regards to this functionality. Signed-off-by: Tadeusz Struk <tadeusz.struk@intel.com> Reviewed-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com> Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
2019-12-16wireguard: selftests: import harness makefile for test suiteJason A. Donenfeld
WireGuard has been using this on build.wireguard.com for the last several years with considerable success. It allows for very quick and iterative development cycles, and supports several platforms. To run the test suite on your current platform in QEMU: $ make -C tools/testing/selftests/wireguard/qemu -j$(nproc) To run it with KASAN and such turned on: $ DEBUG_KERNEL=yes make -C tools/testing/selftests/wireguard/qemu -j$(nproc) To run it emulated for another platform in QEMU: $ ARCH=arm make -C tools/testing/selftests/wireguard/qemu -j$(nproc) At the moment, we support aarch64_be, aarch64, arm, armeb, i686, m68k, mips64, mips64el, mips, mipsel, powerpc64le, powerpc, and x86_64. The system supports incremental rebuilding, so it should be very fast to change a single file and then test it out and have immediate feedback. This requires for the right toolchain and qemu to be installed prior. I've had success with those from musl.cc. This is tailored for WireGuard at the moment, though later projects might generalize it for other network testing. Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-12-15selftests/bpf: Add flexible array relocation testsAndrii Nakryiko
Add few tests validation CO-RE relocation handling of flexible array accesses. Signed-off-by: Andrii Nakryiko <andriin@fb.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org> Link: https://lore.kernel.org/bpf/20191215070844.1014385-3-andriin@fb.com
2019-12-15selftests/bpf: Add tests for libbpf-provided externsAndrii Nakryiko
Add a set of tests validating libbpf-provided extern variables. One crucial feature that's tested is dead code elimination together with using invalid BPF helper. CONFIG_MISSING is not supposed to exist and should always be specified by libbpf as zero, which allows BPF verifier to correctly do branch pruning and not fail validation, when invalid BPF helper is called from dead if branch. Signed-off-by: Andrii Nakryiko <andriin@fb.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org> Link: https://lore.kernel.org/bpf/20191214014710.3449601-5-andriin@fb.com
2019-12-15libbpf: Support libbpf-provided extern variablesAndrii Nakryiko
Add support for extern variables, provided to BPF program by libbpf. Currently the following extern variables are supported: - LINUX_KERNEL_VERSION; version of a kernel in which BPF program is executing, follows KERNEL_VERSION() macro convention, can be 4- and 8-byte long; - CONFIG_xxx values; a set of values of actual kernel config. Tristate, boolean, strings, and integer values are supported. Set of possible values is determined by declared type of extern variable. Supported types of variables are: - Tristate values. Are represented as `enum libbpf_tristate`. Accepted values are **strictly** 'y', 'n', or 'm', which are represented as TRI_YES, TRI_NO, or TRI_MODULE, respectively. - Boolean values. Are represented as bool (_Bool) types. Accepted values are 'y' and 'n' only, turning into true/false values, respectively. - Single-character values. Can be used both as a substritute for bool/tristate, or as a small-range integer: - 'y'/'n'/'m' are represented as is, as characters 'y', 'n', or 'm'; - integers in a range [-128, 127] or [0, 255] (depending on signedness of char in target architecture) are recognized and represented with respective values of char type. - Strings. String values are declared as fixed-length char arrays. String of up to that length will be accepted and put in first N bytes of char array, with the rest of bytes zeroed out. If config string value is longer than space alloted, it will be truncated and warning message emitted. Char array is always zero terminated. String literals in config have to be enclosed in double quotes, just like C-style string literals. - Integers. 8-, 16-, 32-, and 64-bit integers are supported, both signed and unsigned variants. Libbpf enforces parsed config value to be in the supported range of corresponding integer type. Integers values in config can be: - decimal integers, with optional + and - signs; - hexadecimal integers, prefixed with 0x or 0X; - octal integers, starting with 0. Config file itself is searched in /boot/config-$(uname -r) location with fallback to /proc/config.gz, unless config path is specified explicitly through bpf_object_open_opts' kernel_config_path option. Both gzipped and plain text formats are supported. Libbpf adds explicit dependency on zlib because of this, but this shouldn't be a problem, given libelf already depends on zlib. All detected extern variables, are put into a separate .extern internal map. It, similarly to .rodata map, is marked as read-only from BPF program side, as well as is frozen on load. This allows BPF verifier to track extern values as constants and perform enhanced branch prediction and dead code elimination. This can be relied upon for doing kernel version/feature detection and using potentially unsupported field relocations or BPF helpers in a CO-RE-based BPF program, while still having a single version of BPF program running on old and new kernels. Selftests are validating this explicitly for unexisting BPF helper. Signed-off-by: Andrii Nakryiko <andriin@fb.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org> Link: https://lore.kernel.org/bpf/20191214014710.3449601-3-andriin@fb.com
2019-12-15selftests/bpf: Add test validating data section to struct convertion layoutAndrii Nakryiko
Add a simple selftests validating datasection-to-struct layour dumping. Global variables are constructed in such a way as to cause both natural and artificial padding (through custom alignment requirement). Signed-off-by: Andrii Nakryiko <andriin@fb.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org> Acked-by: Martin KaFai Lau <kafai@fb.com> Link: https://lore.kernel.org/bpf/20191214014341.3442258-17-andriin@fb.com
2019-12-15selftests/bpf: Convert few more selftest to skeletonsAndrii Nakryiko
Convert few more selftests to use generated BPF skeletons as a demonstration on how to use it. Signed-off-by: Andrii Nakryiko <andriin@fb.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org> Acked-by: Martin KaFai Lau <kafai@fb.com> Link: https://lore.kernel.org/bpf/20191214014341.3442258-16-andriin@fb.com
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