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* selftests: pmtu: Drop prints to kernel log from pmtu_vti6_link_change_mtuStefano Brivio2018-03-18
| | | | | | | Reported-by: David Ahern <dsahern@gmail.com> Fixes: 1fad59ea1c34 ("selftests: pmtu: Add pmtu_vti6_link_change_mtu test") Signed-off-by: Stefano Brivio <sbrivio@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* selftests: pmtu: Add pmtu_vti6_link_change_mtu testStefano Brivio2018-03-17
| | | | | | | | | | This test checks that MTU configured from userspace is used on link creation and changes, and that when it's not passed from userspace, it's calculated properly from the MTU of the lower layer. Signed-off-by: Stefano Brivio <sbrivio@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* selftests: pmtu: Add pmtu_vti6_link_add_mtu testStefano Brivio2018-03-17
| | | | | | | Same as pmtu_vti4_link_add_mtu test, but for IPv6. Signed-off-by: Stefano Brivio <sbrivio@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* selftests: pmtu: Add pmtu_vti4_link_add_mtu testStefano Brivio2018-03-17
| | | | | | | | | This test checks that MTU given on vti link creation is actually configured, and that tunnel is not created with an invalid MTU value. Signed-off-by: Stefano Brivio <sbrivio@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* selftests: pmtu: Add test_pmtu_vti4_exception testStefano Brivio2018-03-17
| | | | | | | | | | | | | This test checks that PMTU exceptions are created only when needed on IPv4 routes with vti and xfrm, and their PMTU value is checked as well. We can't adopt the same approach as test_pmtu_vti6_exception() here, because on IPv4 administrative MTU changes won't be reflected directly on PMTU. Signed-off-by: Stefano Brivio <sbrivio@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* selftests: pmtu: Add pmtu_vti6_default_mtu testStefano Brivio2018-03-17
| | | | | | | Same as pmtu_vti4_default_mtu, but on IPv6 with vti6. Signed-off-by: Stefano Brivio <sbrivio@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* selftests: pmtu: Add pmtu_vti4_default_mtu testStefano Brivio2018-03-17
| | | | | | | | | This test checks that the MTU assigned by default to a vti (IPv4) interface created on top of veth is simply veth's MTU minus the length of the encapsulated IPv4 header. Signed-off-by: Stefano Brivio <sbrivio@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* selftests: pmtu: Introduce support for multiple testsStefano Brivio2018-03-17
| | | | | | | | | | | | | | | | | | | | | | | | | Introduce list of tests and their descriptions, and loop on it in main body. Tests will now just take care of calling setup with a list of "units" they need, and return 0 on success, 1 on failure, 2 if the test had to be skipped. Main script body will take care of displaying results and cleaning up after every test. Introduce guard variable so that we don't clean up twice in case of interrupts or unexpected failures. The pmtu_vti6_exception test can now run its third step even if the previous one failed, as we can return values from it. Also introduce support to display test descriptions, and display aligned OK/FAIL/SKIP test outcomes. Buffer error strings so that in case of failure we can display them right under the outcome for each test. Signed-off-by: Stefano Brivio <sbrivio@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* selftests: pmtu: Factor out MTU parsing helperStefano Brivio2018-03-17
| | | | | | | ...so that it can be used for any iproute command output. Signed-off-by: Stefano Brivio <sbrivio@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* selftests: pmtu: Use namespace command prefix to fetch route mtuStefano Brivio2018-03-17
| | | | | | | | | | | In 7af137b72131 ("selftests: net: Introduce first PMTU test") I accidentally assumed route_get_* helpers would run from a single namespace. Make them a bit more generic, by passing the namespace command prefix as a parameter instead. Fixes: 7af137b72131 ("selftests: net: Introduce first PMTU test") Signed-off-by: Stefano Brivio <sbrivio@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* selftests: pmtu: Reverse return codes of functionsStefano Brivio2018-03-17
| | | | | | | | | | | | David suggests it's more intuitive to return non-zero on failures, and zero on success. No need to introduce tail 'return 0' in functions, they will return the exit code of the last command anyway. Suggested-by: David Ahern <dsahern@gmail.com> Signed-off-by: Stefano Brivio <sbrivio@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* selftests/txtimestamp: Add more configurable parametersVinicius Costa Gomes2018-03-16
| | | | | | | | | Add a way to configure if poll() should wait forever for an event, the number of packets that should be sent for each and if there should be any delay between packets. Signed-off-by: Vinicius Costa Gomes <vinicius.gomes@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* selftests: fib_tests: Add IPv6 nexthop spec testsDavid Ahern2018-03-16
| | | | | | | | | | | | | | | | | | | | | | | | | Add series of tests for valid and invalid nexthop specs for IPv6. $ TEST=fib_nexthop_test ./fib_tests.sh ... IPv6 nexthop tests TEST: Directly connected nexthop, unicast address [ OK ] TEST: Directly connected nexthop, unicast address with device [ OK ] TEST: Gateway is linklocal address [ OK ] TEST: Gateway is linklocal address, no device [ OK ] TEST: Gateway can not be local unicast address [ OK ] TEST: Gateway can not be local unicast address, with device [ OK ] TEST: Gateway can not be a local linklocal address [ OK ] TEST: Gateway can be local address in a VRF [ OK ] TEST: Gateway can be local address in a VRF, with device [ OK ] TEST: Gateway can be local linklocal address in a VRF [ OK ] TEST: Redirect to VRF lookup [ OK ] TEST: VRF route, gateway can be local address in default VRF [ OK ] TEST: VRF route, gateway can not be a local address [ OK ] TEST: VRF route, gateway can not be a local addr with device [ OK ] Signed-off-by: David Ahern <dsahern@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* selftests: fib_tests: Allow user to run a specific testDavid Ahern2018-03-16
| | | | | | | | Allow a user to run just a specific fib test by setting the TEST environment variable. Signed-off-by: David Ahern <dsahern@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* selftests: fib_tests: Use an alias for ip commandDavid Ahern2018-03-16
| | | | | | | | Replace 'ip -netns testns' with the alias IP. Shortens the line lengths and makes running the commands manually a bit easier. Signed-off-by: David Ahern <dsahern@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* tc-testing: updated gact tests with batch test casesRoman Mashak2018-03-12
| | | | | Signed-off-by: Roman Mashak <mrv@mojatatu.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* tc-testing: add TC vlan action testsRoman Mashak2018-03-12
| | | | | Signed-off-by: Roman Mashak <mrv@mojatatu.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* selftests: forwarding: Allow creation of interfaces without a config fileIdo Schimmel2018-03-11
| | | | | | | | | | | | | | | Some users want to be able to run the tests without a configuration file which is useful when one needs to test both virtual and physical interfaces on the same machine. Move the defines that set the type of interface to create and whether to create it away from the optional configuration file to the library like the rest of the defines. Signed-off-by: Ido Schimmel <idosch@mellanox.com> Reviewed-by: Jiri Pirko <jiri@mellanox.com> Reviewed-by: David Ahern <dsahern@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* selftests: forwarding: Exit with error when missing interfacesIdo Schimmel2018-03-11
| | | | | | | | | | Returning 0 gives a false sense of success when the required modules did not even manage to be initialized and register the required net devices. Signed-off-by: Ido Schimmel <idosch@mellanox.com> Reviewed-by: Jiri Pirko <jiri@mellanox.com> Reviewed-by: David Ahern <dsahern@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* selftests: forwarding: Exit with error when missing dependenciesIdo Schimmel2018-03-11
| | | | | | | | | | We already return an error when some dependencies (e.g., 'jq') are missing so lets be consistent and do that for all. Signed-off-by: Ido Schimmel <idosch@mellanox.com> Reviewed-by: Jiri Pirko <jiri@mellanox.com> Reviewed-by: David Ahern <dsahern@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* selftests: forwarding: Add a test for VLAN-unaware bridgeIdo Schimmel2018-03-11
| | | | | | | | | | Similar to the VLAN-aware bridge test, test the VLAN-unaware bridge and make sure that ping, FDB learning and flooding work as expected. Signed-off-by: Ido Schimmel <idosch@mellanox.com> Reviewed-by: Jiri Pirko <jiri@mellanox.com> Reviewed-by: David Ahern <dsahern@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* tools: tc-testing: Can pause just before post-suiteBrenda J. Butler2018-03-09
| | | | | | | | | With option -P, the test script will pause just before the post_suite functions are called. This allows the tester to inspect the system before it is torn down. Signed-off-by: Brenda J. Butler <bjb@mojatatu.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* tools: tc-testing: Can refer to $TESTID in test specBrenda J. Butler2018-03-09
| | | | | | | | | | | | | | | When processing the commands in the test cases, substitute the test id for $TESTID. This helps to make more flexible tests. For example, the testid can be given as a command line argument. As an example, if we wish to save the test output to a file named for the test case, we can write in the test case: "cmdUnderTest": "some test command | tee -a $TESTID.out" Signed-off-by: Brenda J. Butler <bjb@mojatatu.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* tc-testing: add csum testsRoman Mashak2018-03-09
| | | | | | Signed-off-by: Roman Mashak <mrv@mojatatu.com> Tested-by: Davide Caratti <dcaratti@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* selftests/net: enable fragments for fib-onlink-testsAnders Roxell2018-03-08
| | | | | | | | | | | | | | | | | We miss CONFIG_* fragments so test fib-onlink-tests.sh can do: ip li add lisa type vrf table 1101 ip li add veth1 type veth peer name veth2 And the follow message occurs if it isn't enabled: Configuring interfaces RTNETLINK answers: Operation not supported This enables for NET_NRF (and friends) and VETH so we can create a vrf table and veth. Fixes: 153e1b84f477 ("selftests: Add FIB onlink tests") Signed-off-by: Anders Roxell <anders.roxell@linaro.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* selftests: forwarding: fix flags passed to first drop rule in ↵Jiri Pirko2018-03-07
| | | | | | | | | | gact_drop_and_ok_test Fix copy&paste error and pass proper flags. Signed-off-by: Jiri Pirko <jiri@mellanox.com> Reviewed-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* selftests: forwarding: fix "ok" action testJiri Pirko2018-03-07
| | | | | | | | | Fix the "ok" action test so it checks that packet that is okayed does not continue to be processed by other rules. Fix error message as well. Signed-off-by: Jiri Pirko <jiri@mellanox.com> Reviewed-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* selftests: net: Introduce first PMTU testStefano Brivio2018-03-07
| | | | | | | | | | | | | One single test implemented so far: test_pmtu_vti6_exception checks that the PMTU of a route exception, caused by a tunnel exceeding the link layer MTU, is affected by administrative changes of the tunnel MTU. Creation of the route exception is checked too. Requested-by: David Ahern <dsahern@gmail.com> Signed-off-by: Stefano Brivio <sbrivio@redhat.com> Acked-by: David Ahern <dsahern@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* selftests/net: fix in_netns.sh scriptPrashant Bhole2018-03-07
| | | | | | | | | execute the subprocess in netns using 'ip netns exec' Fixes: cc30c93fa020 ("selftests/net: ignore background traffic in psock_fanout") Signed-off-by: Prashant Bhole <bhole_prashant_q7@lab.ntt.co.jp> Acked-by: Willem de Bruijn <willemb@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/netDavid S. Miller2018-03-06
|\ | | | | | | | | | | | | | | | | | | All of the conflicts were cases of overlapping changes. In net/core/devlink.c, we have to make care that the resouce size_params have become a struct member rather than a pointer to such an object. Signed-off-by: David S. Miller <davem@davemloft.net>
| * Merge tag 'linux-kselftest-4.16-rc5' of ↵Linus Torvalds2018-03-05
| |\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest Pull kselftest fixes from Shuah Khan: "A fix for regression in memory-hotplug install script that prevents the test from running on the target" * tag 'linux-kselftest-4.16-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest: selftests: memory-hotplug: fix emit_tests regression
| | * selftests: memory-hotplug: fix emit_tests regressionShuah Khan2018-03-02
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Commit 16c513b13477 ("selftests: memory-hotplug: silence test command echo") introduced regression in emit_tests and results in the following failure when selftests are installed and run. Fix it. Running tests in memory-hotplug ======================================== ./run_kselftest.sh: line 121: @./mem-on-off-test.sh: No such file or directory selftests: memory-hotplug [FAIL] Fixes: 16c513b13477 (selftests: memory-hotplug: silence test command echo") Reported-by: Naresh Kamboju <naresh.kamboju@linaro.org> Tested-by: Anders Roxell <anders.roxell@linaro.org> Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
| * | Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/netLinus Torvalds2018-03-05
| |\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Pull networking fixes from David Miller: 1) Use an appropriate TSQ pacing shift in mac80211, from Toke Høiland-Jørgensen. 2) Just like ipv4's ip_route_me_harder(), we have to use skb_to_full_sk in ip6_route_me_harder, from Eric Dumazet. 3) Fix several shutdown races and similar other problems in l2tp, from James Chapman. 4) Handle missing XDP flush properly in tuntap, for real this time. From Jason Wang. 5) Out-of-bounds access in powerpc ebpf tailcalls, from Daniel Borkmann. 6) Fix phy_resume() locking, from Andrew Lunn. 7) IFLA_MTU values are ignored on newlink for some tunnel types, fix from Xin Long. 8) Revert F-RTO middle box workarounds, they only handle one dimension of the problem. From Yuchung Cheng. 9) Fix socket refcounting in RDS, from Ka-Cheong Poon. 10) Don't allow ppp unit registration to an unregistered channel, from Guillaume Nault. 11) Various hv_netvsc fixes from Stephen Hemminger. * git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (98 commits) hv_netvsc: propagate rx filters to VF hv_netvsc: filter multicast/broadcast hv_netvsc: defer queue selection to VF hv_netvsc: use napi_schedule_irqoff hv_netvsc: fix race in napi poll when rescheduling hv_netvsc: cancel subchannel setup before halting device hv_netvsc: fix error unwind handling if vmbus_open fails hv_netvsc: only wake transmit queue if link is up hv_netvsc: avoid retry on send during shutdown virtio-net: re enable XDP_REDIRECT for mergeable buffer ppp: prevent unregistered channels from connecting to PPP units tc-testing: skbmod: fix match value of ethertype mlxsw: spectrum_switchdev: Check success of FDB add operation net: make skb_gso_*_seglen functions private net: xfrm: use skb_gso_validate_network_len() to check gso sizes net: sched: tbf: handle GSO_BY_FRAGS case in enqueue net: rename skb_gso_validate_mtu -> skb_gso_validate_network_len rds: Incorrect reference counting in TCP socket creation net: ethtool: don't ignore return from driver get_fecparam method vrf: check forwarding on the original netdevice when generating ICMP dest unreachable ...
| | * | tc-testing: skbmod: fix match value of ethertypeDavide Caratti2018-03-04
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | iproute2 print_skbmod() prints the configured ethertype using format 0x%X: therefore, test 9aa8 systematically fails, because it configures action #4 using ethertype 0x0031, and expects 0x0031 when it reads it back. Changing the expected value to 0x31 lets the test result 'not ok' become 'ok'. tested with: # ./tdc.py -e 9aa8 Test 9aa8: Get a single skbmod action from a list All test results: 1..1 ok 1 9aa8 Get a single skbmod action from a list Fixes: cf797ac49b94 ("tc-testing: Add test cases for police and skbmod") Signed-off-by: Davide Caratti <dcaratti@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| | * | Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpfDavid S. Miller2018-03-01
| | |\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Daniel Borkmann says: ==================== pull-request: bpf 2018-02-28 The following pull-request contains BPF updates for your *net* tree. The main changes are: 1) Add schedule points and reduce the number of loop iterations the test_bpf kernel module is performing in order to not hog the CPU for too long, from Eric. 2) Fix an out of bounds access in tail calls in the ppc64 BPF JIT compiler, from Daniel. 3) Fix a crash on arm64 on unaligned BPF xadd operations that could be triggered via interpreter and JIT, from Daniel. Please not that once you merge net into net-next at some point, there is a minor merge conflict in test_verifier.c since test cases had been added at the end in both trees. Resolution is trivial: keep all the test cases from both trees. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
| | | * | bpf: allow xadd only on aligned memoryDaniel Borkmann2018-02-23
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The requirements around atomic_add() / atomic64_add() resp. their JIT implementations differ across architectures. E.g. while x86_64 seems just fine with BPF's xadd on unaligned memory, on arm64 it triggers via interpreter but also JIT the following crash: [ 830.864985] Unable to handle kernel paging request at virtual address ffff8097d7ed6703 [...] [ 830.916161] Internal error: Oops: 96000021 [#1] SMP [ 830.984755] CPU: 37 PID: 2788 Comm: test_verifier Not tainted 4.16.0-rc2+ #8 [ 830.991790] Hardware name: Huawei TaiShan 2280 /BC11SPCD, BIOS 1.29 07/17/2017 [ 830.998998] pstate: 80400005 (Nzcv daif +PAN -UAO) [ 831.003793] pc : __ll_sc_atomic_add+0x4/0x18 [ 831.008055] lr : ___bpf_prog_run+0x1198/0x1588 [ 831.012485] sp : ffff00001ccabc20 [ 831.015786] x29: ffff00001ccabc20 x28: ffff8017d56a0f00 [ 831.021087] x27: 0000000000000001 x26: 0000000000000000 [ 831.026387] x25: 000000c168d9db98 x24: 0000000000000000 [ 831.031686] x23: ffff000008203878 x22: ffff000009488000 [ 831.036986] x21: ffff000008b14e28 x20: ffff00001ccabcb0 [ 831.042286] x19: ffff0000097b5080 x18: 0000000000000a03 [ 831.047585] x17: 0000000000000000 x16: 0000000000000000 [ 831.052885] x15: 0000ffffaeca8000 x14: 0000000000000000 [ 831.058184] x13: 0000000000000000 x12: 0000000000000000 [ 831.063484] x11: 0000000000000001 x10: 0000000000000000 [ 831.068783] x9 : 0000000000000000 x8 : 0000000000000000 [ 831.074083] x7 : 0000000000000000 x6 : 000580d428000000 [ 831.079383] x5 : 0000000000000018 x4 : 0000000000000000 [ 831.084682] x3 : ffff00001ccabcb0 x2 : 0000000000000001 [ 831.089982] x1 : ffff8097d7ed6703 x0 : 0000000000000001 [ 831.095282] Process test_verifier (pid: 2788, stack limit = 0x0000000018370044) [ 831.102577] Call trace: [ 831.105012] __ll_sc_atomic_add+0x4/0x18 [ 831.108923] __bpf_prog_run32+0x4c/0x70 [ 831.112748] bpf_test_run+0x78/0xf8 [ 831.116224] bpf_prog_test_run_xdp+0xb4/0x120 [ 831.120567] SyS_bpf+0x77c/0x1110 [ 831.123873] el0_svc_naked+0x30/0x34 [ 831.127437] Code: 97fffe97 17ffffec 00000000 f9800031 (885f7c31) Reason for this is because memory is required to be aligned. In case of BPF, we always enforce alignment in terms of stack access, but not when accessing map values or packet data when the underlying arch (e.g. arm64) has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS set. xadd on packet data that is local to us anyway is just wrong, so forbid this case entirely. The only place where xadd makes sense in fact are map values; xadd on stack is wrong as well, but it's been around for much longer. Specifically enforce strict alignment in case of xadd, so that we handle this case generically and avoid such crashes in the first place. Fixes: 17a5267067f3 ("bpf: verifier (add verifier core)") Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Signed-off-by: Alexei Starovoitov <ast@kernel.org>
| * | | | Merge branch 'x86-pti-for-linus' of ↵Linus Torvalds2018-03-04
| |\ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull x86/pti fixes from Thomas Gleixner: "Three fixes related to melted spectrum: - Sync the cpu_entry_area page table to initial_page_table on 32 bit. Otherwise suspend/resume fails because resume uses initial_page_table and triggers a triple fault when accessing the cpu entry area. - Zero the SPEC_CTL MRS on XEN before suspend to address a shortcoming in the hypervisor. - Fix another switch table detection issue in objtool" * 'x86-pti-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/cpu_entry_area: Sync cpu_entry_area to initial_page_table objtool: Fix another switch table detection issue x86/xen: Zero MSR_IA32_SPEC_CTRL before suspend
| | * | | | objtool: Fix another switch table detection issueJosh Poimboeuf2018-02-28
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Continue the switch table detection whack-a-mole. Add a check to distinguish KASAN data reads from switch data reads. The switch jump tables in .rodata have relocations associated with them. This fixes the following warning: crypto/asymmetric_keys/x509_cert_parser.o: warning: objtool: x509_note_pkey_algo()+0xa4: sibling call from callable instruction with modified stack frame Reported-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Josh Poimboeuf <jpoimboe@redhat.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Tested-by: Arnd Bergmann <arnd@arndb.de> Cc: Peter Zijlstra <peterz@infradead.org> Link: https://lkml.kernel.org/r/d7c8853022ad47d158cb81e953a40469fc08a95e.1519784382.git.jpoimboe@redhat.com
| * | | | | Merge tag 'linux-kselftest-4.16-rc4' of ↵Linus Torvalds2018-02-28
| |\ \ \ \ \ | | | |_|_|/ | | |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest Pull kselftest fixes from Shuah Khan: "Fixes for various problems in test output, compile errors, and missing configs" * tag 'linux-kselftest-4.16-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest: selftests: vm: update .gitignore with new test selftests: memory-hotplug: silence test command echo selftests/futex: Fix line continuation in Makefile selftests: memfd: add config fragment for fuse selftests: pstore: Adding config fragment CONFIG_PSTORE_RAM=m selftests/android: Fix line continuation in Makefile selftest/vDSO: fix O= selftests: sync: missing CFLAGS while compiling
| | * | | | selftests: vm: update .gitignore with new testShuah Khan2018-02-26
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Update .gitignore with new test. Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
| | * | | | selftests: memory-hotplug: silence test command echoShuah Khan2018-02-26
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Silence the following command being printed while running test. ./mem-on-off-test.sh -r 2 && echo "selftests: memory-hotplug [PASS]" || echo "selftests: memory-hotplug [FAIL]" Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
| | * | | | selftests/futex: Fix line continuation in MakefileDaniel Díaz2018-02-26
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The Makefile lacks a couple of line continuation backslashes in an `if' clause, which produces an error when make versions prior to 4.x are used for building the tests. $ make make[1]: Entering directory `/[...]/linux/tools/testing/selftests/futex' /bin/sh: -c: line 5: syntax error: unexpected end of file make[1]: *** [all] Error 1 make[1]: Leaving directory `/[...]/linux/tools/testing/selftests/futex' make: *** [all] Error 2 Signed-off-by: Daniel Díaz <daniel.diaz@linaro.org> Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
| | * | | | selftests: memfd: add config fragment for fuseAnders Roxell2018-02-13
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The memfd test requires to insert the fuse module (CONFIG_FUSE_FS). Signed-off-by: Anders Roxell <anders.roxell@linaro.org> Signed-off-by: Daniel Díaz <daniel.diaz@linaro.org> Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
| | * | | | selftests: pstore: Adding config fragment CONFIG_PSTORE_RAM=mNaresh Kamboju2018-02-13
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | pstore_tests and pstore_post_reboot_tests need CONFIG_PSTORE_RAM=m Signed-off-by: Naresh Kamboju <naresh.kamboju@linaro.org> Acked-by: Kees Cook <keescook@chromium.org> Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
| | * | | | selftests/android: Fix line continuation in MakefileDaniel Díaz2018-02-13
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The Makefile lacks a couple of line continuation backslashes in an `if' clause, which can make the subsequent rsync command go awry over the whole filesystem (`rsync -a / /`). /bin/sh: -c: line 5: syntax error: unexpected end of file make[1]: [all] Error 1 (ignored) TEST=$DIR"_test.sh"; \ if [ -e $DIR/$TEST ]; then /bin/sh: -c: line 2: syntax error: unexpected end of file make[1]: [all] Error 1 (ignored) rsync -a $DIR/$TEST $BUILD_TARGET/; [...a myriad of:] [ rsync: readlink_stat("...") failed: Permission denied (13)] [ skipping non-regular file "..."] [ rsync: opendir "..." failed: Permission denied (13)] [and many other errors...] fi make[1]: fi: Command not found make[1]: [all] Error 127 (ignored) done make[1]: done: Command not found make[1]: [all] Error 127 (ignored) Signed-off-by: Daniel Díaz <daniel.diaz@linaro.org> Acked-by: Pintu Agarwal <pintu.ping@gmail.com> Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
| | * | | | selftest/vDSO: fix O=Dominik Brodowski2018-02-13
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The vDSO selftests ignored the O= or KBUILD_OUTPUT= parameters. Fix it. Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net> Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
| | * | | | selftests: sync: missing CFLAGS while compilingAnders Roxell2018-02-13
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Based on patch: https://patchwork.kernel.org/patch/10042045/ arch64-linux-gnu-gcc -c sync.c -o sync/sync.o sync.c:42:29: fatal error: linux/sync_file.h: No such file or directory #include <linux/sync_file.h> ^ CFLAGS is not used during the compile step, so the system instead of kernel headers are used. Fix this by adding CFLAGS to the OBJS compile rule. Reported-by: Lei Yang <Lei.Yang@windriver.com> Signed-off-by: Anders Roxell <anders.roxell@linaro.org> Signed-off-by: Daniel Díaz <daniel.diaz@linaro.org> Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
| * | | | | Merge branch 'idr-2018-02-06' of git://git.infradead.org/users/willy/linux-daxLinus Torvalds2018-02-26
| |\ \ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Pull idr fixes from Matthew Wilcox: "One test-suite build fix for you and one run-time regression fix. The regression fix includes new tests to make sure they don't pop back up." * 'idr-2018-02-06' of git://git.infradead.org/users/willy/linux-dax: idr: Fix handling of IDs above INT_MAX radix tree test suite: Fix build
| | * | | | | idr: Fix handling of IDs above INT_MAXMatthew Wilcox2018-02-26
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Khalid reported that the kernel selftests are currently failing: selftests: test_bpf.sh ======================================== test_bpf: [FAIL] not ok 1..8 selftests: test_bpf.sh [FAIL] He bisected it to 6ce711f2750031d12cec91384ac5cfa0a485b60a ("idr: Make 1-based IDRs more efficient"). The root cause is doing a signed comparison in idr_alloc_u32() instead of an unsigned comparison. I went looking for any similar problems and found a couple (which would each result in the failure to warn in two situations that aren't supposed to happen). I knocked up a few test-cases to prove that I was right and added them to the test-suite. Reported-by: Khalid Aziz <khalid.aziz@oracle.com> Tested-by: Khalid Aziz <khalid.aziz@oracle.com> Signed-off-by: Matthew Wilcox <mawilcox@microsoft.com>
| | * | | | | radix tree test suite: Fix buildMatthew Wilcox2018-02-25
| | | |_|/ / | | |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | - Add an empty linux/compiler_types.h (now being included by kconfig.h) - Add __GFP_ZERO - Add kzalloc - Test __GFP_DIRECT_RECLAIM instead of __GFP_NOWARN Signed-off-by: Matthew Wilcox <mawilcox@microsoft.com>
generated by cgit v1.2.2 (git 2.25.0) at 2025-08-23 13:49:39 -0400