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2020-05-23selftests/bpf: CONFIG_LIRC required for test_lirc_mode2.shAlan Maguire1-0/+1
test_lirc_mode2.sh assumes presence of /sys/class/rc/rc0/lirc*/uevent which will not be present unless CONFIG_LIRC=y Fixes: 6bdd533cee9a ("bpf: add selftest for lirc_mode2 type program") Signed-off-by: Alan Maguire <[email protected]> Signed-off-by: Daniel Borkmann <[email protected]> Link: https://lore.kernel.org/bpf/[email protected]
2020-05-23selftests/bpf: CONFIG_IPV6_SEG6_BPF required for test_seg6_loop.oAlan Maguire1-0/+1
test_seg6_loop.o uses the helper bpf_lwt_seg6_adjust_srh(); it will not be present if CONFIG_IPV6_SEG6_BPF is not specified. Fixes: b061017f8b4d ("selftests/bpf: add realistic loop tests") Signed-off-by: Alan Maguire <[email protected]> Signed-off-by: Daniel Borkmann <[email protected]> Link: https://lore.kernel.org/bpf/[email protected]
2020-05-23selftests/bpf: Add general instructions for test executionAlan Maguire1-0/+2
Getting a clean BPF selftests run involves ensuring latest trunk LLVM/clang are used, pahole is recent (>=1.16) and config matches the specified config file as closely as possible. Add to bpf_devel_QA.rst and point tools/testing/selftests/bpf/README.rst to it. Signed-off-by: Alan Maguire <[email protected]> Signed-off-by: Daniel Borkmann <[email protected]> Acked-by: Andrii Nakryiko <[email protected]> Link: https://lore.kernel.org/bpf/[email protected]
2020-05-22selftests: mlxsw: qos_mc_aware: Specify arping timeout as an integerAmit Cohen1-1/+1
Starting from iputils s20190709 (used in Fedora 31), arping does not support timeout being specified as a decimal: $ arping -c 1 -I swp1 -b 192.0.2.66 -q -w 0.1 arping: invalid argument: '0.1' Previously, such timeouts were rounded to an integer. Fix this by specifying the timeout as an integer. Fixes: a5ee171d087e ("selftests: mlxsw: qos_mc_aware: Add a test for UC awareness") Signed-off-by: Amit Cohen <[email protected]> Reviewed-by: Petr Machata <[email protected]> Signed-off-by: Ido Schimmel <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2020-05-22selftests: netdevsim: Always initialize 'RET' variableIdo Schimmel1-0/+4
The variable is used by log_test() to check if the test case completely successfully or not. In case it is not initialized at the start of a test case, it is possible for the test case to fail despite not encountering any errors. Example: ``` ... TEST: Trap group statistics [ OK ] TEST: Trap policer [FAIL] Policer drop counter was not incremented TEST: Trap policer binding [FAIL] Policer drop counter was not incremented ``` Failure of trap_policer_test() caused trap_policer_bind_test() to fail as well. Fix by adding missing initialization of the variable. Fixes: 5fbff58e27a1 ("selftests: netdevsim: Add test cases for devlink-trap policers") Signed-off-by: Ido Schimmel <[email protected]> Reviewed-by: Jiri Pirko <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2020-05-22Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpfDavid S. Miller2-1/+20
Daniel Borkmann says: ==================== pull-request: bpf 2020-05-22 The following pull-request contains BPF updates for your *net* tree. We've added 3 non-merge commits during the last 3 day(s) which contain a total of 5 files changed, 69 insertions(+), 11 deletions(-). The main changes are: 1) Fix to reject mmap()'ing read-only array maps as writable since BPF verifier relies on such map content to be frozen, from Andrii Nakryiko. 2) Fix breaking audit from secid_to_secctx() LSM hook by avoiding to use call_int_hook() since this hook is not stackable, from KP Singh. 3) Fix BPF flow dissector program ref leak on netns cleanup, from Jakub Sitnicki. ==================== Signed-off-by: David S. Miller <[email protected]>
2020-05-22selftests: net: add fdb nexthop testsRoopa Prabhu1-2/+158
This commit adds ipv4 and ipv6 fdb nexthop api tests to fib_nexthops.sh. Signed-off-by: Roopa Prabhu <[email protected]> Reviewed-by: David Ahern <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2020-05-22selftests/timens: handle a case when alarm clocks are not supportedAndrei Vagin5-3/+24
This can happen if a testing node doesn't have RTC (real time clock) hardware or it doesn't support alarms. Fixes: 61c57676035d ("selftests/timens: Add Time Namespace test for supported clocks") Acked-by: Vincenzo Frascino <[email protected]> Reported-by: Vincenzo Frascino <[email protected]> Signed-off-by: Andrei Vagin <[email protected]> Signed-off-by: Shuah Khan <[email protected]>
2020-05-22Kernel selftests: Add check if TPM devices are supportedNikita Sobolev2-0/+10
TPM2 tests set uses /dev/tpm0 and /dev/tpmrm0 without check if they are available. In case, when these devices are not available test fails, but expected behaviour is skipped test. Signed-off-by: Nikita Sobolev <[email protected]> Reviewed-by: Jarkko Sakkinen <[email protected]> Reviewed-by: Petr Vorel <[email protected]> Signed-off-by: Shuah Khan <[email protected]>
2020-05-22selftests: vdso: Add a selftest for vDSO getcpu()Mark Brown3-1/+57
Provide a very basic selftest for getcpu() which similarly to our existing test for gettimeofday() looks up the function in the vDSO and prints the results it gets if the function exists and succeeds. Signed-off-by: Mark Brown <[email protected]> Signed-off-by: Shuah Khan <[email protected]>
2020-05-22selftests: vdso: Use a header file to prototype parse_vdso APIMark Brown4-30/+34
Both vdso_test_gettimeofday and vdso_standalone_test_x86 use the library in parse_vdso.c but each separately declares the API it offers which is not ideal. Create a header file with prototypes of the functions and use it in both the library and the tests to ensure that the same prototypes are used throughout. Signed-off-by: Mark Brown <[email protected]> Signed-off-by: Shuah Khan <[email protected]>
2020-05-22selftests: vdso: Rename vdso_test to vdso_test_gettimeofdayMark Brown3-4/+6
Currently the vDSO kselftests have a test called vdso_test which tests the vDSO implementation of gettimeofday(). In preparation for adding tests for other vDSO functionality rename this test to reflect what's going on. Signed-off-by: Mark Brown <[email protected]> Signed-off-by: Shuah Khan <[email protected]>
2020-05-22selftests/exec: Verify execve of non-regular files failKees Cook3-1/+10
Add a named pipe as an exec target to make sure that non-regular files are rejected by execve() with EACCES. This can help verify commit 73601ea5b7b1 ("fs/open.c: allow opening only regular files during execve()"). Signed-off-by: Kees Cook <[email protected]> Signed-off-by: Shuah Khan <[email protected]>
2020-05-21bpf: Selftests, add printk to test_sk_lookup_kern to encode null ptr checkJohn Fastabend1-0/+1
Adding a printk to test_sk_lookup_kern created the reported failure where a pointer type is checked twice for NULL. Lets add it to the progs test test_sk_lookup_kern.c so we test the case from C all the way into the verifier. We already have printk's in selftests so seems OK to add another one. Signed-off-by: John Fastabend <[email protected]> Signed-off-by: Alexei Starovoitov <[email protected]> Acked-by: Andrii Nakryiko <[email protected]> Link: https://lore.kernel.org/bpf/159009170603.6313.1715279795045285176.stgit@john-Precision-5820-Tower
2020-05-21bpf: Selftests, verifier case for non null pointer map value branchJohn Fastabend1-0/+19
When we have pointer type that is known to be non-null we only follow the non-null branch. This adds tests to cover the map_value pointer returned from a map lookup. To force an error if both branches are followed we do an ALU op on R10. Signed-off-by: John Fastabend <[email protected]> Signed-off-by: Alexei Starovoitov <[email protected]> Acked-by: Andrii Nakryiko <[email protected]> Link: https://lore.kernel.org/bpf/159009168650.6313.7434084136067263554.stgit@john-Precision-5820-Tower
2020-05-21bpf: Selftests, verifier case for non null pointer check branch takenJohn Fastabend1-0/+33
When we have pointer type that is known to be non-null and comparing against zero we only follow the non-null branch. This adds tests to cover this case for reference tracking. Also add the other case when comparison against a non-zero value and ensure we still fail with unreleased reference. Signed-off-by: John Fastabend <[email protected]> Signed-off-by: Alexei Starovoitov <[email protected]> Link: https://lore.kernel.org/bpf/159009166599.6313.1593680633787453767.stgit@john-Precision-5820-Tower
2020-05-21selftests/exec: Add binfmt_script regression testKees Cook2-0/+172
While working on commit b5372fe5dc84 ("exec: load_script: Do not exec truncated interpreter path"), I wrote a series of test scripts to verify corner cases. However, soon after, commit 6eb3c3d0a52d ("exec: increase BINPRM_BUF_SIZE to 256") landed, resulting in the tests needing to be refactored for the larger BINPRM_BUF_SIZE, which got lost on my TODO list. During the recent exec refactoring work[1], the need for these tests resurfaced, so I've finished them up for addition to the kernel selftests. [1] https://lore.kernel.org/lkml/202005191144.E3112135@keescook/ Link: https://lkml.kernel.org/r/202005200204.D07DF079@keescook Signed-off-by: Kees Cook <[email protected]> Signed-off-by: Eric W. Biederman <[email protected]>
2020-05-20wireguard: selftests: use newer iproute2 for gcc-10Jason A. Donenfeld1-1/+1
gcc-10 switched to defaulting to -fno-common, which broke iproute2-5.4. This was fixed in iproute-5.6, so switch to that. Because we're after a stable testing surface, we generally don't like to bump these unnecessarily, but in this case, being able to actually build is a basic necessity. Signed-off-by: Jason A. Donenfeld <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2020-05-20bpf: Prevent mmap()'ing read-only maps as writableAndrii Nakryiko2-1/+20
As discussed in [0], it's dangerous to allow mapping BPF map, that's meant to be frozen and is read-only on BPF program side, because that allows user-space to actually store a writable view to the page even after it is frozen. This is exacerbated by BPF verifier making a strong assumption that contents of such frozen map will remain unchanged. To prevent this, disallow mapping BPF_F_RDONLY_PROG mmap()'able BPF maps as writable, ever. [0] https://lore.kernel.org/bpf/CAEf4BzYGWYhXdp6BJ7_=9OQPJxQpgug080MMjdSB72i9R+5c6g@mail.gmail.com/ Fixes: fc9702273e2e ("bpf: Add mmap() support for BPF_MAP_TYPE_ARRAY") Suggested-by: Jann Horn <[email protected]> Signed-off-by: Andrii Nakryiko <[email protected]> Signed-off-by: Alexei Starovoitov <[email protected]> Reviewed-by: Jann Horn <[email protected]> Link: https://lore.kernel.org/bpf/[email protected]
2020-05-20Merge tag 'noinstr-x86-kvm-2020-05-16' of ↵Paolo Bonzini46-143/+744
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip into HEAD
2020-05-19selftests: introduce gen_tar Makefile targetVeronika Kabatova2-1/+13
The gen_kselftest_tar.sh always packages *all* selftests and doesn't pass along any variables to `make install` to influence what should be built. This can result in an early error on the command line ("Unknown tarball format TARGETS=XXX"), or unexpected test failures as the tarball contains tests people wanted to skip on purpose. Since the makefile already contains all the logic, we can add a target for packaging. Keep the default .gz target the script uses, and actually extend the supported formats by using tar's autodetection. To not break current workflows, keep the gen_kselftest_tar.sh script as it is, with an added suggestion to use the makefile target instead. Signed-off-by: Veronika Kabatova <[email protected]> Reviewed-by: Stefano Brivio <[email protected]> Signed-off-by: Shuah Khan <[email protected]>
2020-05-19selftests/bpf: Convert bpf_iter_test_kern{3, 4}.c to define own bpf_iter_metaAndrii Nakryiko2-0/+30
b9f4c01f3e0b ("selftest/bpf: Make bpf_iter selftest compilable against old vmlinux.h") missed the fact that bpf_iter_test_kern{3,4}.c are not just including bpf_iter_test_kern_common.h and need similar bpf_iter_meta re-definition explicitly. Fixes: b9f4c01f3e0b ("selftest/bpf: Make bpf_iter selftest compilable against old vmlinux.h") Signed-off-by: Andrii Nakryiko <[email protected]> Signed-off-by: Alexei Starovoitov <[email protected]> Link: https://lore.kernel.org/bpf/[email protected]
2020-05-19mm/hmm/test: add selftests for HMMRalph Campbell6-0/+1478
Add some basic stand alone self tests for HMM. The test program and shell scripts use the test_hmm.ko driver to exercise HMM functionality in the kernel. Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Ralph Campbell <[email protected]> Signed-off-by: Jason Gunthorpe <[email protected]>
2020-05-19selftest/bpf: Make bpf_iter selftest compilable against old vmlinux.hAndrii Nakryiko6-0/+98
It's good to be able to compile bpf_iter selftest even on systems that don't have the very latest vmlinux.h, e.g., for libbpf tests against older kernels in Travis CI. To that extent, re-define bpf_iter_meta and corresponding bpf_iter context structs in each selftest. To avoid type clashes with vmlinux.h, rename vmlinux.h's definitions to get them out of the way. Signed-off-by: Andrii Nakryiko <[email protected]> Signed-off-by: Alexei Starovoitov <[email protected]> Acked-by: Yonghong Song <[email protected]> Acked-by: Jesper Dangaard Brouer <[email protected]> Link: https://lore.kernel.org/bpf/[email protected]
2020-05-19bpf, testing: Add get{peer, sock}name selftests to test_progsDaniel Borkmann5-33/+215
Extend the existing connect_force_port test to assert get{peer,sock}name programs as well. The workflow for e.g. IPv4 is as follows: i) server binds to concrete port, ii) client calls getsockname() on server fd which exposes 1.2.3.4:60000 to client, iii) client connects to service address 1.2.3.4:60000 binds to concrete local address (127.0.0.1:22222) and remaps service address to a concrete backend address (127.0.0.1:60123), iv) client then calls getsockname() on its own fd to verify local address (127.0.0.1:22222) and getpeername() on its own fd which then publishes service address (1.2.3.4:60000) instead of actual backend. Same workflow is done for IPv6 just with different address/port tuples. # ./test_progs -t connect_force_port #14 connect_force_port:OK Summary: 1/0 PASSED, 0 SKIPPED, 0 FAILED Signed-off-by: Daniel Borkmann <[email protected]> Signed-off-by: Alexei Starovoitov <[email protected]> Acked-by: Andrii Nakryiko <[email protected]> Acked-by: Andrey Ignatov <[email protected]> Link: https://lore.kernel.org/bpf/3343da6ad08df81af715a95d61a84fb4a960f2bf.1589841594.git.daniel@iogearbox.net
2020-05-19Merge tag 'noinstr-lds-2020-05-19' into core/rcuThomas Gleixner48-145/+749
Get the noinstr section and annotation markers to base the RCU parts on.
2020-05-17selftests: Drop 'pref medium' in route checksDavid Ahern1-2/+2
The 'pref medium' attribute was moved in iproute2 to be near the prefix which is where it applies versus after the last nexthop. The nexthop tests were updated to drop the string from route checking, but it crept in again with the compat tests. Fixes: 4dddb5be136a ("selftests: net: add new testcases for nexthop API compat mode sysctl") Signed-off-by: David Ahern <[email protected]> Cc: Roopa Prabhu <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2020-05-16selftests: mlxsw: Do not hard code trap group nameIdo Schimmel7-72/+43
It can be derived dynamically from the trap's name, so drop it. Signed-off-by: Ido Schimmel <[email protected]> Reviewed-by: Jiri Pirko <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2020-05-16selftests: devlink_lib: Remove double blank lineIdo Schimmel1-1/+0
One blank line is enough. Signed-off-by: Ido Schimmel <[email protected]> Reviewed-by: Jiri Pirko <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2020-05-16Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvmLinus Torvalds4-0/+214
Pull kvm fixes from Paolo Bonzini: "A new testcase for guest debugging (gdbstub) that exposed a bunch of bugs, mostly for AMD processors. And a few other x86 fixes" * tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: KVM: x86: Fix off-by-one error in kvm_vcpu_ioctl_x86_setup_mce KVM: x86: Fix pkru save/restore when guest CR4.PKE=0, move it to x86.c KVM: SVM: Disable AVIC before setting V_IRQ KVM: Introduce kvm_make_all_cpus_request_except() KVM: VMX: pass correct DR6 for GD userspace exit KVM: x86, SVM: isolate vcpu->arch.dr6 from vmcb->save.dr6 KVM: SVM: keep DR6 synchronized with vcpu->arch.dr6 KVM: nSVM: trap #DB and #BP to userspace if guest debugging is on KVM: selftests: Add KVM_SET_GUEST_DEBUG test KVM: X86: Fix single-step with KVM_SET_GUEST_DEBUG KVM: X86: Set RTM for DB_VECTOR too for KVM_EXIT_DEBUG KVM: x86: fix DR6 delivery for various cases of #DB injection KVM: X86: Declare KVM_CAP_SET_GUEST_DEBUG properly
2020-05-16bpf: Selftests, add ktls tests to test_sockmapJohn Fastabend1-26/+44
Until now we have only had minimal ktls+sockmap testing when being used with helpers and different sendmsg/sendpage patterns. Add a pass with ktls here. To run just ktls tests, $ ./test_sockmap --whitelist="ktls" Signed-off-by: John Fastabend <[email protected]> Signed-off-by: Daniel Borkmann <[email protected]> Reviewed-by: Jakub Sitnicki <[email protected]> Link: https://lore.kernel.org/bpf/158939736278.15176.5435314315563203761.stgit@john-Precision-5820-Tower
2020-05-16bpf: Selftests, add blacklist to test_sockmapJohn Fastabend1-2/+31
This adds a blacklist to test_sockmap. For example, now we can run all apply and cork tests except those with timeouts by doing, $ ./test_sockmap --whitelist "apply,cork" --blacklist "hang" Signed-off-by: John Fastabend <[email protected]> Signed-off-by: Daniel Borkmann <[email protected]> Reviewed-by: Jakub Sitnicki <[email protected]> Link: https://lore.kernel.org/bpf/158939734350.15176.6643981099665208826.stgit@john-Precision-5820-Tower
2020-05-16bpf: Selftests, add whitelist option to test_sockmapJohn Fastabend1-1/+30
Allow running specific tests with a comma deliminated whitelist. For example to run all apply and cork tests. $ ./test_sockmap --whitelist="cork,apply" Signed-off-by: John Fastabend <[email protected]> Signed-off-by: Daniel Borkmann <[email protected]> Reviewed-by: Jakub Sitnicki <[email protected]> Link: https://lore.kernel.org/bpf/158939732464.15176.1959113294944564542.stgit@john-Precision-5820-Tower
2020-05-16bpf: Selftests, provide verbose option for selftests executionJohn Fastabend1-108/+71
Pass options from command line args into individual tests which allows us to use verbose option from command line with selftests. Now when verbose option is set individual subtest details will be printed. Also we can consolidate cgroup bring up and tear down. Additionally just setting verbose is very noisy so introduce verbose=1 and verbose=2. Really verbose=2 is only useful when developing tests or debugging some specific issue. For example now we get output like this with --verbose, #20/17 sockhash:txmsg test pull-data:OK [TEST 160]: (512, 1, 3, sendpage, pop (1,3),): msg_loop_rx: iov_count 1 iov_buf 1 cnt 512 err 0 [TEST 161]: (100, 1, 5, sendpage, pop (1,3),): msg_loop_rx: iov_count 1 iov_buf 3 cnt 100 err 0 [TEST 162]: (2, 1024, 256, sendpage, pop (4096,8192),): msg_loop_rx: iov_count 1 iov_buf 255 cnt 2 err 0 [TEST 163]: (512, 1, 3, sendpage, redir,pop (1,3),): msg_loop_rx: iov_count 1 iov_buf 1 cnt 512 err 0 [TEST 164]: (100, 1, 5, sendpage, redir,pop (1,3),): msg_loop_rx: iov_count 1 iov_buf 3 cnt 100 err 0 [TEST 165]: (512, 1, 3, sendpage, cork 512,pop (1,3),): msg_loop_rx: iov_count 1 iov_buf 1 cnt 512 err 0 [TEST 166]: (100, 1, 5, sendpage, cork 512,pop (1,3),): msg_loop_rx: iov_count 1 iov_buf 3 cnt 100 err 0 [TEST 167]: (512, 1, 3, sendpage, redir,cork 4,pop (1,3),): msg_loop_rx: iov_count 1 iov_buf 1 cnt 512 err 0 [TEST 168]: (100, 1, 5, sendpage, redir,cork 4,pop (1,3),): msg_loop_rx: iov_count 1 iov_buf 3 cnt 100 err 0 Signed-off-by: John Fastabend <[email protected]> Signed-off-by: Daniel Borkmann <[email protected]> Reviewed-by: Jakub Sitnicki <[email protected]> Link: https://lore.kernel.org/bpf/158939730412.15176.1975675235035143367.stgit@john-Precision-5820-Tower
2020-05-16bpf: Selftests, break down test_sockmap into subtestsJohn Fastabend1-375/+348
At the moment test_sockmap runs all 800+ tests ungrouped which is not ideal because it makes it hard to see what is failing but also more importantly its hard to confirm all cases are tested. Additionally, after inspecting we noticed the runtime is bloated because we run many duplicate tests. Worse some of these tests are known error cases that wait for the recvmsg handler to timeout which creats long delays. Also we noted some tests were not clearing their options and as a result the following tests would run with extra and incorrect options. Fix this by reorganizing test code so its clear what tests are running and when. Then it becomes easy to remove duplication and run tests with only the set of send/recv patterns that are relavent. To accomplish this break test_sockmap into subtests and remove unnecessary duplication. The output is more readable now and the runtime reduced. Now default output prints subtests like this, $ ./test_sockmap # 1/ 6 sockmap:txmsg test passthrough:OK ... #22/ 1 sockhash:txmsg test push/pop data:OK Pass: 22 Fail: 0 Signed-off-by: John Fastabend <[email protected]> Signed-off-by: Daniel Borkmann <[email protected]> Reviewed-by: Jakub Sitnicki <[email protected]> Link: https://lore.kernel.org/bpf/158939728384.15176.13601520183665880762.stgit@john-Precision-5820-Tower
2020-05-16bpf: Selftests, improve test_sockmap total bytes counterJohn Fastabend1-3/+8
The recv thread in test_sockmap waits to receive all bytes from sender but in the case we use pop data it may wait for more bytes then actually being sent. This stalls the test harness for multiple seconds. Because this happens in multiple tests it slows time to run the selftest. Fix by doing a better job of accounting for total bytes when pop helpers are used. Signed-off-by: John Fastabend <[email protected]> Signed-off-by: Daniel Borkmann <[email protected]> Reviewed-by: Jakub Sitnicki <[email protected]> Link: https://lore.kernel.org/bpf/158939726542.15176.5964532245173539540.stgit@john-Precision-5820-Tower
2020-05-16bpf: Selftests, print error in test_sockmap error casesJohn Fastabend1-8/+17
Its helpful to know the error value if an error occurs. Signed-off-by: John Fastabend <[email protected]> Signed-off-by: Daniel Borkmann <[email protected]> Reviewed-by: Jakub Sitnicki <[email protected]> Link: https://lore.kernel.org/bpf/158939724566.15176.12079885932643225626.stgit@john-Precision-5820-Tower
2020-05-16bpf: Selftests, sockmap test prog run without setting cgroupJohn Fastabend1-6/+22
Running test_sockmap with arguments to specify a test pattern requires including a cgroup argument. Instead of requiring this if the option is not provided create one This is not used by selftest runs but I use it when I want to test a specific test. Most useful when developing new code and/or tests. Signed-off-by: John Fastabend <[email protected]> Signed-off-by: Daniel Borkmann <[email protected]> Reviewed-by: Jakub Sitnicki <[email protected]> Link: https://lore.kernel.org/bpf/158939722675.15176.6294210959489131688.stgit@john-Precision-5820-Tower
2020-05-16bpf: Selftests, remove prints from sockmap testsJohn Fastabend2-174/+9
The prints in the test_sockmap programs were only useful when we didn't have enough control over test infrastructure to know from user program what was being pushed into kernel side. Now that we have or will shortly have better test controls lets remove the printers. This means we can remove half the programs and cleanup bpf side. Signed-off-by: John Fastabend <[email protected]> Signed-off-by: Daniel Borkmann <[email protected]> Reviewed-by: Jakub Sitnicki <[email protected]> Link: https://lore.kernel.org/bpf/158939720756.15176.9806965887313279429.stgit@john-Precision-5820-Tower
2020-05-16bpf: Selftests, move sockmap bpf prog header into progsJohn Fastabend1-0/+0
Moves test_sockmap_kern.h into progs directory but does not change code at all. Signed-off-by: John Fastabend <[email protected]> Signed-off-by: Daniel Borkmann <[email protected]> Reviewed-by: Jakub Sitnicki <[email protected]> Link: https://lore.kernel.org/bpf/158939718921.15176.5766299102332077086.stgit@john-Precision-5820-Tower
2020-05-16selftests/bpf: Move test_align under test_progsStanislav Fomichev1-61/+7
There is a much higher chance we can see the regressions if the test is part of test_progs. Signed-off-by: Stanislav Fomichev <[email protected]> Signed-off-by: Daniel Borkmann <[email protected]> Link: https://lore.kernel.org/bpf/[email protected]
2020-05-16selftests/bpf: Fix test_align verifier log patternsStanislav Fomichev1-20/+21
Commit 294f2fc6da27 ("bpf: Verifer, adjust_scalar_min_max_vals to always call update_reg_bounds()") changed the way verifier logs some of its state, adjust the test_align accordingly. Where possible, I tried to not copy-paste the entire log line and resorted to dropping the last closing brace instead. Fixes: 294f2fc6da27 ("bpf: Verifer, adjust_scalar_min_max_vals to always call update_reg_bounds()") Signed-off-by: Stanislav Fomichev <[email protected]> Signed-off-by: Daniel Borkmann <[email protected]> Link: https://lore.kernel.org/bpf/[email protected]
2020-05-15Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/netDavid S. Miller13-21/+242
Move the bpf verifier trace check into the new switch statement in HEAD. Resolve the overlapping changes in hinic, where bug fixes overlap the addition of VF support. Signed-off-by: David S. Miller <[email protected]>
2020-05-15Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/netLinus Torvalds3-3/+11
Pull networking fixes from David Miller: 1) Fix sk_psock reference count leak on receive, from Xiyu Yang. 2) CONFIG_HNS should be invisible, from Geert Uytterhoeven. 3) Don't allow locking route MTUs in ipv6, RFCs actually forbid this, from Maciej Żenczykowski. 4) ipv4 route redirect backoff wasn't actually enforced, from Paolo Abeni. 5) Fix netprio cgroup v2 leak, from Zefan Li. 6) Fix infinite loop on rmmod in conntrack, from Florian Westphal. 7) Fix tcp SO_RCVLOWAT hangs, from Eric Dumazet. 8) Various bpf probe handling fixes, from Daniel Borkmann. * git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (68 commits) selftests: mptcp: pm: rm the right tmp file dpaa2-eth: properly handle buffer size restrictions bpf: Restrict bpf_trace_printk()'s %s usage and add %pks, %pus specifier bpf: Add bpf_probe_read_{user, kernel}_str() to do_refine_retval_range bpf: Restrict bpf_probe_read{, str}() only to archs where they work MAINTAINERS: Mark networking drivers as Maintained. ipmr: Add lockdep expression to ipmr_for_each_table macro ipmr: Fix RCU list debugging warning drivers: net: hamradio: Fix suspicious RCU usage warning in bpqether.c net: phy: broadcom: fix BCM54XX_SHD_SCR3_TRDDAPD value for BCM54810 tcp: fix error recovery in tcp_zerocopy_receive() MAINTAINERS: Add Jakub to networking drivers. MAINTAINERS: another add of Karsten Graul for S390 networking drivers: ipa: fix typos for ipa_smp2p structure doc pppoe: only process PADT targeted at local interfaces selftests/bpf: Enforce returning 0 for fentry/fexit programs bpf: Enforce returning 0 for fentry/fexit progs net: stmmac: fix num_por initialization security: Fix the default value of secid_to_secctx hook libbpf: Fix register naming in PT_REGS s390 macros ...
2020-05-15Merge tag 'linux-kselftest-5.7-rc6' of ↵Linus Torvalds4-12/+22
git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest Pull kselftest fixes from Shuah Khan: - lkdtm runner fixes to prevent dmesg clearing and shellcheck errors - ftrace test handling when test module doesn't exist - nsfs test fix to replace zero-length array with flexible-array - dmabuf-heaps test fix to return clear error value * tag 'linux-kselftest-5.7-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest: selftests/lkdtm: Use grep -E instead of egrep selftests/lkdtm: Don't clear dmesg when running tests selftests/ftrace: mark irqsoff_tracer.tc test as unresolved if the test module does not exist tools/testing: Replace zero-length array with flexible-array kselftests: dmabuf-heaps: Fix confused return value on expected error testing
2020-05-15Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpfDavid S. Miller2-2/+10
Alexei Starovoitov says: ==================== pull-request: bpf 2020-05-15 The following pull-request contains BPF updates for your *net* tree. We've added 9 non-merge commits during the last 2 day(s) which contain a total of 14 files changed, 137 insertions(+), 43 deletions(-). The main changes are: 1) Fix secid_to_secctx LSM hook default value, from Anders. 2) Fix bug in mmap of bpf array, from Andrii. 3) Restrict bpf_probe_read to archs where they work, from Daniel. 4) Enforce returning 0 for fentry/fexit progs, from Yonghong. ==================== Signed-off-by: David S. Miller <[email protected]>
2020-05-15Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-nextDavid S. Miller6-33/+205
Alexei Starovoitov says: ==================== pull-request: bpf-next 2020-05-15 The following pull-request contains BPF updates for your *net-next* tree. We've added 37 non-merge commits during the last 1 day(s) which contain a total of 67 files changed, 741 insertions(+), 252 deletions(-). The main changes are: 1) bpf_xdp_adjust_tail() now allows to grow the tail as well, from Jesper. 2) bpftool can probe CONFIG_HZ, from Daniel. 3) CAP_BPF is introduced to isolate user processes that use BPF infra and to secure BPF networking services by dropping CAP_SYS_ADMIN requirement in certain cases, from Alexei. ==================== Signed-off-by: David S. Miller <[email protected]>
2020-05-15selftests: mptcp: pm: rm the right tmp fileMatthieu Baerts1-1/+1
"$err" is a variable pointing to a temp file. "$out" is not: only used as a local variable in "check()" and representing the output of a command line. Fixes: eedbc685321b (selftests: add PM netlink functional tests) Signed-off-by: Matthieu Baerts <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2020-05-15selftests: implement flower classifier terse dump testsVlad Buslov1-0/+38
Implement two basic tests to verify terse dump functionality of flower classifier: - Test that verifies that terse dump works. - Test that verifies that terse dump doesn't print filter key. Signed-off-by: Vlad Buslov <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2020-05-15selftests/bpf: Use CAP_BPF and CAP_PERFMON in testsAlexei Starovoitov3-21/+49
Make all test_verifier test exercise CAP_BPF and CAP_PERFMON Signed-off-by: Alexei Starovoitov <[email protected]> Signed-off-by: Daniel Borkmann <[email protected]> Link: https://lore.kernel.org/bpf/[email protected]
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