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Move the files, adjust includes, remove entry from Makefile & .gitignore
I also added pthread_cond_wait for the server thread startup. We don't
want to connect to the server that's not yet up (for some reason
this existing race is now more prominent with test_progs).
Signed-off-by: Stanislav Fomichev <sdf@google.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
test__join_cgroup() combines the following operations that usually
go hand in hand and returns cgroup fd:
* setup cgroup environment (make sure cgroupfs is mounted)
* mkdir cgroup
* join cgroup
It also marks a test as a "cgroup cleanup needed" and removes cgroup
state after the test is done.
Signed-off-by: Stanislav Fomichev <sdf@google.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Daniel Borkmann says:
====================
The following pull-request contains BPF updates for your *net-next* tree.
The main changes are:
1) Add the ability to use unaligned chunks in the AF_XDP umem. By
relaxing where the chunks can be placed, it allows to use an
arbitrary buffer size and place whenever there is a free
address in the umem. Helps more seamless DPDK AF_XDP driver
integration. Support for i40e, ixgbe and mlx5e, from Kevin and
Maxim.
2) Addition of a wakeup flag for AF_XDP tx and fill rings so the
application can wake up the kernel for rx/tx processing which
avoids busy-spinning of the latter, useful when app and driver
is located on the same core. Support for i40e, ixgbe and mlx5e,
from Magnus and Maxim.
3) bpftool fixes for printf()-like functions so compiler can actually
enforce checks, bpftool build system improvements for custom output
directories, and addition of 'bpftool map freeze' command, from Quentin.
4) Support attaching/detaching XDP programs from 'bpftool net' command,
from Daniel.
5) Automatic xskmap cleanup when AF_XDP socket is released, and several
barrier/{read,write}_once fixes in AF_XDP code, from Björn.
6) Relicense of bpf_helpers.h/bpf_endian.h for future libbpf
inclusion as well as libbpf versioning improvements, from Andrii.
7) Several new BPF kselftests for verifier precision tracking, from Alexei.
8) Several BPF kselftest fixes wrt endianess to run on s390x, from Ilya.
9) And more BPF kselftest improvements all over the place, from Stanislav.
10) Add simple BPF map op cache for nfp driver to batch dumps, from Jakub.
11) AF_XDP socket umem mapping improvements for 32bit archs, from Ivan.
12) Add BPF-to-BPF call and BTF line info support for s390x JIT, from Yauheni.
13) Small optimization in arm64 JIT to spare 1 insns for BPF_MOD, from Jerin.
14) Fix an error check in bpf_tcp_gen_syncookie() helper, from Petar.
15) Various minor fixes and cleanups, from Nathan, Masahiro, Masanari,
Peter, Wei, Yue.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Steffen Klassert says:
====================
pull request (net): ipsec 2019-09-05
1) Several xfrm interface fixes from Nicolas Dichtel:
- Avoid an interface ID corruption on changelink.
- Fix wrong intterface names in the logs.
- Fix a list corruption when changing network namespaces.
- Fix unregistation of the underying phydev.
2) Fix a potential warning when merging xfrm_plocy nodes.
From Florian Westphal.
Please pull or let me know if there are problems.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Add two tests to check that stack slot marking during backtracking
doesn't trigger 'spi > allocated_stack' warning.
One test is using BPF_ST insn. Another is using BPF_STX.
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Cleanups of the tests in fib_nexthops.sh
1. Several tests noted unexpected route output, but the
discrepancy was not showing in the summary output and
overlooked in the verbose output. Add a WARNING message
to the summary output to make it clear a test is not showing
expected output.
2. Several check_* calls are missing extra data like scope and metric
causing mismatches when the nexthops or routes are correct - some of
them are a side effect of the evolving iproute2 command. Update the
data to the expected output.
3. Several check_routes are checking for the wrong nexthop data,
most likely a copy-paste-update error.
4. A couple of tests were re-using a nexthop id that already existed.
Fix those to use a new id.
Fixes: 6345266a9989 ("selftests: Add test cases for nexthop objects")
Signed-off-by: David Ahern <dsahern@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Use the new eeh_dev_check and eeh_dev_break interfaces to test EEH
recovery. Historically this has been done manually using platform specific
EEH error injection facilities (e.g. via RTAS). However, documentation on
how to use these facilities is haphazard at best and non-existent at worst
so it's hard to develop a cross-platform test.
The new debugfs interfaces allow the kernel to handle the platform specific
details so we can write a more generic set of sets. This patch adds the
most basic of recovery tests where:
a) Errors are injected and recovered from sequentially,
b) Errors are not injected into PCI-PCI bridges, such as PCIe switches.
c) Errors are only injected into device function zero.
d) No errors are injected into Virtual Functions.
a), b) and c) are largely due to limitations of Linux's EEH support. EEH
recovery is serialised in the EEH recovery thread which forces a).
Similarly, multi-function PCI devices are almost always grouped into the
same PE so injecting an error on one function exercises the same code
paths. c) is because we currently more or less ignore PCI bridges during
recovery and assume that the recovered topology will be the same as the
original.
d) is due to the limits of the eeh_dev_break interface. With the current
implementation we can't inject an error into a specific VF without
potentially causing additional errors on other VFs. Due to the serialised
recovery process we might end up timing out waiting for another function to
recover before the function of interest is recovered. The platform specific
error injection facilities are finer-grained and allow this capability, but
doing that requires working out how to use those facilities first.
Basicly, it's better than nothing and it's a base to build on.
Signed-off-by: Oliver O'Halloran <oohall@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20190903101605.2890-15-oohall@gmail.com
Now that we disallow invalid bits in kvm_valid_regs and kvm_dirty_regs
on s390x, too, we should also check this condition in the selftests.
The code has been taken from the x86-version of the sync_regs_test.
Reviewed-by: Janosch Frank <frankja@linux.ibm.com>
Reviewed-by: Christian Borntraeger <borntraeger@de.ibm.com>
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Link: https://lore.kernel.org/lkml/20190904085200.29021-3-thuth@redhat.com/
Signed-off-by: Janosch Frank <frankja@linux.ibm.com>
Add tests cases for checking request_firmware_into_buf api.
API was introduced into kernel with no testing present previously.
Signed-off-by: Scott Branden <scott.branden@broadcom.com>
Acked-by: Luis Chamberlain <mcgrof@kernel.org>
Acked-by: Shuah Khan <skhan@linuxfoundation.org>
Link: https://lore.kernel.org/r/20190822184005.901-3-scott.branden@broadcom.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
A lot of test_sysctl sub-tests fail due to handling strings as a bunch
of immediate values in a little-endian-specific manner.
Fix by wrapping all immediates in bpf_ntohl and the new bpf_be64_to_cpu.
fixup_sysctl_value() dynamically writes an immediate, and thus should be
endianness-aware. Implement this by simply memcpy()ing the raw
user-provided value, since testcase endianness and bpf program
endianness match.
Fixes: 1f5fa9ab6e2e ("selftests/bpf: Test BPF_CGROUP_SYSCTL")
Fixes: 9a1027e52535 ("selftests/bpf: Test file_pos field in bpf_sysctl ctx")
Fixes: 6041c67f28d8 ("selftests/bpf: Test bpf_sysctl_get_name helper")
Fixes: 11ff34f74e32 ("selftests/bpf: Test sysctl_get_current_value helper")
Fixes: 786047dd08de ("selftests/bpf: Test bpf_sysctl_{get,set}_new_value helpers")
Fixes: 8549ddc832d6 ("selftests/bpf: Test bpf_strtol and bpf_strtoul helpers")
Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
When tests fail because sysctl() unexpectedly succeeds, they print an
inappropriate "Unexpected failure" message and a random errno. Zero
out errno before calling sysctl() and replace the message with
"Unexpected success".
Fixes: 1f5fa9ab6e2e ("selftests/bpf: Test BPF_CGROUP_SYSCTL")
Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
"ctx:write sysctl:write read ok" fails on s390 because it reads the
first byte of an int assuming it's the least-significant one, which
is not the case on big-endian arches. Since we are not testing narrow
accesses here (there is e.g. "ctx:file_pos sysctl:read read ok narrow"
for that), simply read the whole int.
Fixes: 1f5fa9ab6e2e ("selftests/bpf: Test BPF_CGROUP_SYSCTL")
Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
test_lwt_seg6local and test_seg6_loop use custom 64-bit endianness
conversion macros. Centralize their definitions in bpf_endian.h in order
to reduce code duplication. This will also be useful when bpf_endian.h
is promoted to an offical libbpf header.
Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Copy-paste error from CHECK.
Fixes: d38835b75f67 ("selftests/bpf: test_progs: remove global fail/success counts")
Signed-off-by: Stanislav Fomichev <sdf@google.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
fseeko(.., 0, SEEK_SET) on a memstream just puts the buffer pointer
to the beginning so when we call fflush on it we get some garbage
log data from the previous test. Let's manually set terminating
byte to zero at the reported buffer size.
To show the issue consider the following snippet:
stream = open_memstream (&buf, &len);
fprintf(stream, "aaa");
fflush(stream);
printf("buf=%s, len=%zu\n", buf, len);
fseeko(stream, 0, SEEK_SET);
fprintf(stream, "b");
fflush(stream);
printf("buf=%s, len=%zu\n", buf, len);
Output:
buf=aaa, len=3
buf=baa, len=1
Fixes: 946152b3c5d6 ("selftests/bpf: test_progs: switch to open_memstream")
Signed-off-by: Stanislav Fomichev <sdf@google.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
the following tdc test fails on Fedora:
# ./tdc.py -e 2638
-- ns/SubPlugin.__init__
Test 2638: Add matchall and try to get it
-----> prepare stage *** Could not execute: "$TC qdisc add dev $DEV1 clsact"
-----> prepare stage *** Error message: "/bin/sh: ip: command not found"
returncode 127; expected [0]
-----> prepare stage *** Aborting test run.
Let nsPlugin.py use the 'IP' variable introduced with commit 92c1a19e2fb9
("tc-tests: added path to ip command in tdc"), so that the path to 'ip' is
correctly resolved to the value we have in tdc_config.py.
# ./tdc.py -e 2638
-- ns/SubPlugin.__init__
Test 2638: Add matchall and try to get it
All test results:
1..1
ok 1 2638 - Add matchall and try to get it
Fixes: 489ce2f42514 ("tc-testing: Restore original behaviour for namespaces in tdc")
Reported-by: Hangbin Liu <liuhangbin@gmail.com>
Signed-off-by: Davide Caratti <dcaratti@redhat.com>
Acked-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch fix a spelling typo in test_offload.py
Signed-off-by: Masanari Iida <standby24x7@gmail.com>
Acked-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Acked-by: Song Liu <songliubraving@fb.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
There are a number of alternative "make" invocations that can be used to
compile bpftool. The following invocations are expected to work:
- through the kbuild system, from the top of the repository
(make tools/bpf)
- by telling make to change to the bpftool directory
(make -C tools/bpf/bpftool)
- by building the BPF tools from tools/
(cd tools && make bpf)
- by running make from bpftool directory
(cd tools/bpf/bpftool && make)
Additionally, setting the O or OUTPUT variables should tell the build
system to use a custom output path, for each of these alternatives.
The following patch fixes the following invocations:
$ make tools/bpf
$ make tools/bpf O=<dir>
$ make -C tools/bpf/bpftool OUTPUT=<dir>
$ make -C tools/bpf/bpftool O=<dir>
$ cd tools/ && make bpf O=<dir>
$ cd tools/bpf/bpftool && make OUTPUT=<dir>
$ cd tools/bpf/bpftool && make O=<dir>
After this commit, the build still fails for two variants when passing
the OUTPUT variable:
$ make tools/bpf OUTPUT=<dir>
$ cd tools/ && make bpf OUTPUT=<dir>
In order to remember and check what make invocations are supposed to
work, and to document the ones which do not, a new script is added to
the BPF selftests. Note that some invocations require the kernel to be
configured, so the script skips them if no .config file is found.
v2:
- In make_and_clean(), set $ERROR to 1 when "make" returns non-zero,
even if the binary was produced.
- Run "make clean" from the correct directory (bpf/ instead of bpftool/,
when relevant).
Reported-by: Lorenz Bauer <lmb@cloudflare.com>
Signed-off-by: Quentin Monnet <quentin.monnet@netronome.com>
Reviewed-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
In the process of debugging a system with an NVDIMM that was failing to
unlock it was found that the kernel is reporting 'locked' while the DIMM
security interface is 'frozen'. Unfortunately the security state is
tracked internally as an enum which prevents it from communicating the
difference between 'locked' and 'locked + frozen'. It follows that the
enum also prevents the kernel from communicating 'unlocked + frozen'
which would be useful for debugging why security operations like 'change
passphrase' are disabled.
Ditch the security state enum for a set of flags and introduce a new
sysfs attribute explicitly for the 'frozen' state. The regression risk
is low because the 'frozen' state was already blocked behind the
'locked' state, but will need to revisit if there were cases where
applications need 'frozen' to show up in the primary 'security'
attribute. The expectation is that communicating 'frozen' is mostly a
helper for debug and status monitoring.
Reviewed-by: Dave Jiang <dave.jiang@intel.com>
Reported-by: Jeff Moyer <jmoyer@redhat.com>
Reviewed-by: Jeff Moyer <jmoyer@redhat.com>
Link: https://lore.kernel.org/r/156686729474.184120.5835135644278860826.stgit@dwillia2-desk3.amr.corp.intel.com
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
In addition to the PE/COFF and IMA xattr signatures, the kexec kernel
image can be signed with an appended signature, using the same
scripts/sign-file tool that is used to sign kernel modules.
This patch adds support for detecting a kernel image signed with an
appended signature and updates the existing test messages
appropriately.
Reviewed-by: Petr Vorel <pvorel@suse.cz>
Acked-by: Shuah Khan <skhan@linuxfoundation.org>
Reviewed-by: Thiago Jung Bauermann <bauerman@linux.ibm.com>
Reviewed-by: Jordan Hand <jorhand@linux.microsoft.com> (x86_64 QEMU)
Tested-by: Jordan Hand <jorhand@linux.microsoft.com> (x86_64 QEMU)
Signed-off-by: Mimi Zohar <zohar@linux.ibm.com>
Check that we can write and read the guest memory with this s390x
ioctl, and that some error cases are handled correctly.
Signed-off-by: Thomas Huth <thuth@redhat.com>
Link: https://lkml.kernel.org/r/20190829130732.580-1-thuth@redhat.com
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
.nhoff = 0 is (correctly) reset to ETH_HLEN on the next line so let's
drop it.
Signed-off-by: Stanislav Fomichev <sdf@google.com>
Acked-by: Song Liu <songliubraving@fb.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
send_signal test returns static codes from the subtests which
nobody looks at, let's rely on the CHECK macros instead.
Signed-off-by: Stanislav Fomichev <sdf@google.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Otherwise they can bring the whole process down.
Cc: Andrii Nakryiko <andriin@fb.com>
Signed-off-by: Stanislav Fomichev <sdf@google.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Now that we have a global per-test/per-environment state, there
is no longer need to have global fail/success counters (and there
is no need to save/get the diff before/after the test).
Introduce CHECK_FAIL macro (suggested by Andrii) and covert existing tests
to it. CHECK_FAIL uses new test__fail() to record the failure.
Cc: Andrii Nakryiko <andriin@fb.com>
Signed-off-by: Stanislav Fomichev <sdf@google.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Export test__skip() to indicate skipped tests and use it in
test_send_signal_nmi().
Cc: Andrii Nakryiko <andriin@fb.com>
Signed-off-by: Stanislav Fomichev <sdf@google.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Copy-paste of existing test
"calls: cross frame pruning - liveness propagation"
but ran with different parentage chain heuristic
which stresses different path in precision tracking logic.
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: Song Liu <songliubraving@fb.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Use BPF_F_TEST_STATE_FREQ flag to check that precision
tracking works as expected by comparing every step it takes.
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: Song Liu <songliubraving@fb.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Pull networking fixes from David Miller:
1) Use 32-bit index for tails calls in s390 bpf JIT, from Ilya
Leoshkevich.
2) Fix missed EPOLLOUT events in TCP, from Eric Dumazet. Same fix for
SMC from Jason Baron.
3) ipv6_mc_may_pull() should return 0 for malformed packets, not
-EINVAL. From Stefano Brivio.
4) Don't forget to unpin umem xdp pages in error path of
xdp_umem_reg(). From Ivan Khoronzhuk.
5) Fix sta object leak in mac80211, from Johannes Berg.
6) Fix regression by not configuring PHYLINK on CPU port of bcm_sf2
switches. From Florian Fainelli.
7) Revert DMA sync removal from r8169 which was causing regressions on
some MIPS Loongson platforms. From Heiner Kallweit.
8) Use after free in flow dissector, from Jakub Sitnicki.
9) Fix NULL derefs of net devices during ICMP processing across
collect_md tunnels, from Hangbin Liu.
10) proto_register() memory leaks, from Zhang Lin.
11) Set NLM_F_MULTI flag in multipart netlink messages consistently,
from John Fastabend.
* git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (66 commits)
r8152: Set memory to all 0xFFs on failed reg reads
openvswitch: Fix conntrack cache with timeout
ipv4: mpls: fix mpls_xmit for iptunnel
nexthop: Fix nexthop_num_path for blackhole nexthops
net: rds: add service level support in rds-info
net: route dump netlink NLM_F_MULTI flag missing
s390/qeth: reject oversized SNMP requests
sock: fix potential memory leak in proto_register()
MAINTAINERS: Add phylink keyword to SFF/SFP/SFP+ MODULE SUPPORT
xfrm/xfrm_policy: fix dst dev null pointer dereference in collect_md mode
ipv4/icmp: fix rt dst dev null pointer dereference
openvswitch: Fix log message in ovs conntrack
bpf: allow narrow loads of some sk_reuseport_md fields with offset > 0
bpf: fix use after free in prog symbol exposure
bpf: fix precision tracking in presence of bpf2bpf calls
flow_dissector: Fix potential use-after-free on BPF_PROG_DETACH
Revert "r8169: remove not needed call to dma_sync_single_for_device"
ipv6: propagate ipv6_add_dev's error returns out of ipv6_find_idev
net/ncsi: Fix the payload copying for the request coming from Netlink
qed: Add cleanup in qed_slowpath_start()
...
TM test tm-unavailable must take into account aborts due to host aborting
a transactin because of a facility unavailable exception, just like it
already does for aborts on reschedules (TM_CAUSE_KVM_RESCHED).
Reported-by: Desnes A. Nunes do Rosario <desnesn@linux.ibm.com>
Tested-by: Desnes A. Nunes do Rosario <desnesn@linux.ibm.com>
Signed-off-by: Gustavo Romero <gromero@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/1566341651-19747-1-git-send-email-gromero@linux.vnet.ibm.com
Currently TM signal context tests for GPR, FPR, VMX, and VSX registers
print wrong register numbers (wrongly starting from register 0 instead
of the first register in the non-volatile subset). Besides it the
output when a mismatch happens is poor giving not much information
about which context and which register mismatches, because it prints
both contexts at the same time and not a comparison between the value
that mismatches and the value expected and, moreover, it stops
printing on the first mismatch, but it's important to know if there
are other mismatches happening beyond the first one.
For instance, this is the current output when a mismatch happens:
test: tm_signal_context_chk_gpr
tags: git_version:v5.2-8249-g02e970fae465-dirty
Failed on 0 GPR 1 or 18446744073709551615
failure: tm_signal_context_chk_gpr
test: tm_signal_context_chk_fpu
tags: git_version:v5.2-8248-g09c289e3ef80
Failed on 0 FP -1 or -1
failure: tm_signal_context_chk_fpu
test: tm_signal_context_chk_vmx
tags: git_version:v5.2-8248-g09c289e3ef80
Failed on 0 vmx 0xfffffffffffffffefffffffdfffffffc vs 0xfffffffffffffffefffffffdfffffffc
failure: tm_signal_context_chk_vmx
test: tm_signal_context_chk_vsx
tags: git_version:v5.2-8248-g09c289e3ef80
Failed on 0 vsx 0xfffffffffefffffffdfffffffcffffff vs 0xfffffffffefffffffdfffffffcffffff
failure: tm_signal_context_chk_vsx
This commit fixes the register numbers printed and enhances the error
output by providing a full list of mismatching registers separated by
the context (non-speculative or speculative context), for example:
test: tm_signal_context_chk_gpr
tags: git_version:v5.2-8249-g02e970fae465-dirty
GPR14 (1st context) == 1 instead of -1 (expected)
GPR15 (1st context) == 2 instead of -2 (expected)
GPR14 (2nd context) == 0 instead of 18446744073709551615 (expected)
GPR15 (2nd context) == 0 instead of 18446744073709551614 (expected)
failure: tm_signal_context_chk_gpr
test: tm_signal_context_chk_fpu
tags: git_version:v5.2-8249-g02e970fae465-dirty
FPR14 (1st context) == -1 instead of 1 (expected)
FPR15 (1st context) == -2 instead of 2 (expected)
failure: tm_signal_context_chk_fpu
test: tm_signal_context_chk_vmx
tags: git_version:v5.2-8249-g02e970fae465-dirty
VMX20 (1st context) == 0xfffffffffffffffefffffffdfffffffc instead of 0x00000001000000020000000300000004 (expected)
VMX21 (1st context) == 0xfffffffbfffffffafffffff9fffffff8 instead of 0x00000005000000060000000700000008 (expected)
failure: tm_signal_context_chk_vmx
test: tm_signal_context_chk_vsx
tags: git_version:v5.2-8249-g02e970fae465-dirty
VSX20 (1st context) == 0xfffffffffefffffffdfffffffcffffff instead of 0x00000001000000020000000300000004 (expected)
VSX21 (1st context) == 0xfbfffffffafffffff9fffffff8ffffff instead of 0x00000005000000060000000700000008 (expected)
failure: tm_signal_context_chk_vsx
Finally, this commit adds comments to the tests in the hope that it
will help people not so familiar with TM understand the tests.
Signed-off-by: Gustavo Romero <gromero@linux.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20190814205211.24840-1-gromero@linux.ibm.com
Daniel Borkmann says:
====================
pull-request: bpf 2019-08-24
The following pull-request contains BPF updates for your *net* tree.
The main changes are:
1) Fix verifier precision tracking with BPF-to-BPF calls, from Alexei.
2) Fix a use-after-free in prog symbol exposure, from Daniel.
3) Several s390x JIT fixes plus BE related fixes in BPF kselftests, from Ilya.
4) Fix memory leak by unpinning XDP umem pages in error path, from Ivan.
5) Fix a potential use-after-free on flow dissector detach, from Jakub.
6) Fix bpftool to close prog fd after showing metadata, from Quentin.
7) BPF kselftest config and TEST_PROGS_EXTENDED fixes, from Anders.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Pull RCU and LKMM changes from Paul E. McKenney:
- A few more RCU flavor consolidation cleanups.
- Miscellaneous fixes.
- Updates to RCU's list-traversal macros improving lockdep usability.
- Torture-test updates.
- Forward-progress improvements for no-CBs CPUs: Avoid ignoring
incoming callbacks during grace-period waits.
- Forward-progress improvements for no-CBs CPUs: Use ->cblist
structure to take advantage of others' grace periods.
- Also added a small commit that avoids needlessly inflicting
scheduler-clock ticks on callback-offloaded CPUs.
- Forward-progress improvements for no-CBs CPUs: Reduce contention
on ->nocb_lock guarding ->cblist.
- Forward-progress improvements for no-CBs CPUs: Add ->nocb_bypass
list to further reduce contention on ->nocb_lock guarding ->cblist.
- LKMM updates.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Currently some binary files which are generated when tests are compiled
are not ignored by git, so 'git status' catch them.
For copyloops test, fix wrong binary names already in .gitignore. For
ptrace, security, and stringloops tests add missing binary names to the
.gitignore file.
Signed-off-by: Gustavo Romero <gromero@linux.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20190814205638.25322-2-gromero@linux.ibm.com
From rdma.git
Jason Gunthorpe says:
====================
This is a collection of general cleanups for ODP to clarify some of the
flows around umem creation and use of the interval tree.
====================
The branch is based on v5.3-rc5 due to dependencies, and is being taken
into hmm.git due to dependencies in the next patches.
* odp_fixes:
RDMA/mlx5: Use odp instead of mr->umem in pagefault_mr
RDMA/mlx5: Use ib_umem_start instead of umem.address
RDMA/core: Make invalidate_range a device operation
RDMA/odp: Use kvcalloc for the dma_list and page_list
RDMA/odp: Check for overflow when computing the umem_odp end
RDMA/odp: Provide ib_umem_odp_release() to undo the allocs
RDMA/odp: Split creating a umem_odp from ib_umem_get
RDMA/odp: Make the three ways to create a umem_odp clear
RMDA/odp: Consolidate umem_odp initialization
RDMA/odp: Make it clearer when a umem is an implicit ODP umem
RDMA/odp: Iterate over the whole rbtree directly
RDMA/odp: Use the common interval tree library instead of generic
RDMA/mlx5: Fix MR npages calculation for IB_ACCESS_HUGETLB
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Test generic devlink-trap functionality over mlxsw. These tests are not
specific to a single trap, but do not check the devlink-trap common
infrastructure either.
Currently, the only test case is device deletion (by reloading the
driver) while packets are being trapped.
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Test that each supported packet trap is triggered under the right
conditions and that packets are indeed dropped and not forwarded.
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
Pull KVM fixes from Paolo Bonzini:
"A couple bugfixes, and mostly selftests changes"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
selftests/kvm: make platform_info_test pass on AMD
Revert "KVM: x86/mmu: Zap only the relevant pages when removing a memslot"
selftests: kvm: fix state save/load on processors without XSAVE
selftests: kvm: fix vmx_set_nested_state_test
selftests: kvm: provide common function to enable eVMCS
selftests: kvm: do not try running the VM in vmx_set_nested_state_test
KVM: x86: svm: remove redundant assignment of var new_entry
MAINTAINERS: add KVM x86 reviewers
MAINTAINERS: change list for KVM/s390
kvm: x86: skip populating logical dest map if apic is not sw enabled
test_msr_platform_info_disabled() generates EXIT_SHUTDOWN but VMCB state
is undefined after that so an attempt to launch this guest again from
test_msr_platform_info_enabled() fails. Reorder the tests to make test
pass.
Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
When ./test_xdp_vlan_mode_generic.sh runs it complains that it can't
find file test_xdp_vlan.sh.
# selftests: bpf: test_xdp_vlan_mode_generic.sh
# ./test_xdp_vlan_mode_generic.sh: line 9: ./test_xdp_vlan.sh: No such
file or directory
Rework so that test_xdp_vlan.sh gets installed, added to the variable
TEST_PROGS_EXTENDED.
Fixes: d35661fcf95d ("selftests/bpf: add wrapper scripts for test_xdp_vlan.sh")
Signed-off-by: Anders Roxell <anders.roxell@linaro.org>
Acked-by: Jesper Dangaard Brouer <jbrouer@redhat.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
When running test_kmod.sh the following shows up
# sysctl cannot stat /proc/sys/net/core/bpf_jit_enable No such file or directory
cannot: stat_/proc/sys/net/core/bpf_jit_enable #
# sysctl cannot stat /proc/sys/net/core/bpf_jit_harden No such file or directory
cannot: stat_/proc/sys/net/core/bpf_jit_harden #
Rework to enable CONFIG_BPF_JIT to solve "No such file or directory"
Signed-off-by: Anders Roxell <anders.roxell@linaro.org>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
