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Why a Bourne-shell "for" loop? And why 192 instances of "a"? This commit
adds a shell comment to present the answer to these mysteries. It also
uses a series of factor-of-four Bourne-shell assignments to make it
easy to see how many instances there are, replacing the earlier wall of
'a' characters.
Reported-by: Josh Triplett <josh@joshtriplett.org>
Signed-off-by: Paul E. McKenney <paulmck@linux.ibm.com>
Reviewed-by: Josh Triplett <josh@joshtriplett.org>
[ paulmck: Fix wrong-variable bugs noted by Andrea Parri. ]
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Passing EPERM during syscall skipping was confusing since the test wasn't
actually exercising the errno evaluation -- it was just passing a literal
"1" (EPERM). Instead, expand the tests to check both direct value returns
(positive, 45000 in this case), and errno values (negative, -ESRCH in this
case) to check both fake success and fake failure during syscall skipping.
Reported-by: Colin Ian King <colin.king@canonical.com>
Fixes: a33b2d0359a0 ("selftests/seccomp: Add tests for basic ptrace actions")
Cc: stable@vger.kernel.org
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Shuah Khan <shuah@kernel.org>
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When the system lirc.h is older than v4.16, you will get errors like:
ir_loopback.c:32:16: error: field ‘proto’ has incomplete type
enum rc_proto proto;
Cc: Shuah Khan <shuah@kernel.org>
Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Shuah Khan <shuah@kernel.org>
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The cpu-hotplug test assumes that we can offline the maximum CPU as
described by /sys/devices/system/cpu/offline. However, in the case
where the number of CPUs exceeds like kernel configuration then
the offline count can be greater than the present count and we end
up trying to test the offlining of a CPU that is not available to
offline. Fix this by testing the maximum present CPU instead.
Also, the test currently offlines the CPU and does not online it,
so fix this by onlining the CPU after the test.
Fixes: d89dffa976bc ("fault-injection: add selftests for cpu and memory hotplug")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Shuah Khan <shuah@kernel.org>
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Check that KVM_CAP_HYPERV_ENLIGHTENED_VMCS returns correct version range.
Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Fix a call to userspace_mem_region_find to conform to its spec of
taking an inclusive, inclusive range. It was previously being called
with an inclusive, exclusive range. Also remove a redundant region bounds
check in vm_userspace_mem_region_add. Region overlap checking is already
performed by the call to userspace_mem_region_find.
Tested: Compiled tools/testing/selftests/kvm with -static
Ran all resulting test binaries on an Intel Haswell test machine
All tests passed
Signed-off-by: Ben Gardon <bgardon@google.com>
Reviewed-by: Jim Mattson <jmattson@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Before:
$ make -s -C tools/testing/selftests/bpf
readelf: Error: Missing knowledge of 32-bit reloc types used in DWARF
sections of machine number 247
readelf: Warning: unable to apply unsupported reloc type 10 to section
.debug_info
readelf: Warning: unable to apply unsupported reloc type 1 to section
.debug_info
readelf: Warning: unable to apply unsupported reloc type 10 to section
.debug_info
After:
$ make -s -C tools/testing/selftests/bpf
v2:
* use llvm-readelf instead of redirecting binutils' readelf stderr to
/dev/null
Signed-off-by: Stanislav Fomichev <sdf@google.com>
Acked-by: Song Liu <songliubraving@fb.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
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This adds the ability to read gso_segs from a BPF program.
v3: Use BPF_REG_AX instead of BPF_REG_TMP for the temporary register,
as suggested by Martin.
v2: refined Eddie Hao patch to address Alexei feedback.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Eddie Hao <eddieh@google.com>
Cc: Martin KaFai Lau <kafai@fb.com>
Acked-by: Martin KaFai Lau <kafai@fb.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
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Add tests for newly added dead code elimination. Both verifier
and BTF tests are added. BTF test infrastructure has to be
extended to be able to account for line info which is eliminated
during dead code removal.
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Acked-by: Yonghong Song <yhs@fb.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
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system() is calling shell which should find the appropriate full path
via $PATH. On some systems, full path to iptables and/or nc might be
different that we one we have hardcoded.
Signed-off-by: Stanislav Fomichev <sdf@google.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
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We need to let users check their wrong ELF section name with proper
ELF section names when they fail to get a prog/attach type from it.
Because users can't realize libbpf guess prog/attach types from given
ELF section names. For example, when a 'cgroup' section name of a
BPF program is used, show available ELF section names(types).
Before:
$ bpftool prog load bpf-prog.o /sys/fs/bpf/prog1
Error: failed to guess program type based on ELF section name cgroup
After:
libbpf: failed to guess program type based on ELF section name 'cgroup'
libbpf: supported section(type) names are: socket kprobe/ kretprobe/ classifier action tracepoint/ raw_tracepoint/ xdp perf_event lwt_in lwt_out lwt_xmit lwt_seg6local cgroup_skb/ingress cgroup_skb/egress cgroup/skb cgroup/sock cgroup/post_bind4 cgroup/post_bind6 cgroup/dev sockops sk_skb/stream_parser sk_skb/stream_verdict sk_skb sk_msg lirc_mode2 flow_dissector cgroup/bind4 cgroup/bind6 cgroup/connect4 cgroup/connect6 cgroup/sendmsg4 cgroup/sendmsg6
Signed-off-by: Taeung Song <treeze.taeung@gmail.com>
Cc: Quentin Monnet <quentin.monnet@netronome.com>
Cc: Jakub Kicinski <jakub.kicinski@netronome.com>
Cc: Andrey Ignatov <rdna@fb.com>
Reviewed-by: Quentin Monnet <quentin.monnet@netronome.com>
Acked-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
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ARP suppression allows the Linux bridge to answer ARP requests on behalf
of remote hosts. It reduces the amount of packets a VTEP needs to flood.
This test verifies that ARP suppression on / off works when a neighbour
exists and when it does not exist. It does so by sending an ARP request
from a host connected to one VTEP and checking whether it was received
by a second VTEP.
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Reviewed-by: Petr Machata <petrm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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In a similar fashion to the asymmetric test, add a test for symmetric
routing. In symmetric routing both the ingress and egress VTEPs perform
routing in the overlay network into / from the VXLAN tunnel. Packets in
different directions use the same VNI - the L3 VNI. Different tenants
(VRFs) use different L3 VNIs.
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Reviewed-by: Petr Machata <petrm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Verify that ARP packets are correctly decapsulated by the ingress VTEP
by removing the neighbours configured on both VLAN interfaces and
running a ping test.
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Reviewed-by: Petr Machata <petrm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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In asymmetric routing the ingress VTEP routes the packet into the
correct VXLAN tunnel, whereas the egress VTEP only bridges the packet to
the correct host. Therefore, packets in different directions use
different VNIs - the target VNI.
The test uses a simple topology with two VTEPs and two VNIs and verifies
that ping passes between hosts (local / remote) in the same VLAN (VNI)
and in different VLANs belonging to the same tenant (VRF).
While the test does not check VM mobility, it does configure an anycast
gateway using a macvlan device on both VTEPs.
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Reviewed-by: Petr Machata <petrm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest
Pull kselftest fixes from Shuah Khan:
"Fixes to rtc, seccomp and other tests"
* tag 'linux-kselftest-5.0-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest:
selftests/seccomp: Abort without user notification support
selftests: gpio-mockup-chardev: Check asprintf() for error
selftests: seccomp: use LDLIBS instead of LDFLAGS
selftests/vm/gup_benchmark.c: match gup struct to kernel
tools/testing/selftests/x86/unwind_vdso.c: Remove duplicate header
x86/mpx/selftests: fix spelling mistake "succeded" -> "succeeded"
selftests: rtc: rtctest: add alarm test on minute boundary
selftests: rtc: rtctest: fix alarm tests
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Completely minor snmp doc conflict.
Signed-off-by: David S. Miller <davem@davemloft.net>
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The override status function needs to be updated to use the proper
request parameter in order to get the security state.
Fixes: 3c13e2ac747a ("...Add test support for Intel nvdimm security DSMs")
Reported-by: Vishal Verma <vishal.l.verma@intel.com>
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
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Add a test that checks IP-in-IP GRE tunneling and MTU change of tunnel,
where an ikey/okey pair is set. This test is based on hierarchical topology
described in file ipip_lib.sh.
Signed-off-by: Nir Dotan <nird@mellanox.com>
Reviewed-by: Petr Machata <petrm@mellanox.com>
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add a test that checks IP-in-IP GRE tunneling and MTU change of tunnel,
where a key is set. This test is based on hierarchical topology described
in file ipip_lib.sh.
Signed-off-by: Nir Dotan <nird@mellanox.com>
Reviewed-by: Petr Machata <petrm@mellanox.com>
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add a test that checks IP-in-IP GRE tunneling and MTU change of tunnel,
based on hierarchical topology described in file ipip_lib.sh.
Signed-off-by: Nir Dotan <nird@mellanox.com>
Reviewed-by: Petr Machata <petrm@mellanox.com>
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add a test that checks IP-in-IP GRE tunneling and MTU change of tunnel,
where an ikey/okey pair is set. This test is based on flat topology
described in file ipip_lib.sh.
Signed-off-by: Nir Dotan <nird@mellanox.com>
Reviewed-by: Petr Machata <petrm@mellanox.com>
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add a test that checks IP-in-IP GRE tunneling and MTU change of tunnel,
where a key is set. This test is based on flat topology described in file
ipip_lib.sh.
Signed-off-by: Nir Dotan <nird@mellanox.com>
Reviewed-by: Petr Machata <petrm@mellanox.com>
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add a test that checks IP-in-IP GRE tunneling and MTU change of tunnel,
based on flat topology described in file ipip_lib.sh.
Signed-off-by: Nir Dotan <nird@mellanox.com>
Reviewed-by: Petr Machata <petrm@mellanox.com>
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add a library with helper functions, to be used in testing IP-in-IP and GRE
tunnels, both in flat and in hierarchical topologies.
The topologies used in this library cover the three scenarios of tunnels -
a tunel with no bound device, a tunnel with bound device in the same VRF
and a tunnel with a bound device in a different VRF.
Signed-off-by: Nir Dotan <nird@mellanox.com>
Reviewed-by: Petr Machata <petrm@mellanox.com>
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Daniel Borkmann says:
====================
pull-request: bpf 2019-01-20
The following pull-request contains BPF updates for your *net* tree.
The main changes are:
1) Fix a out-of-bounds access in __bpf_redirect_no_mac, from Willem.
2) Fix bpf_setsockopt to reset sock dst on SO_MARK changes, from Peter.
3) Fix map in map masking to prevent out-of-bounds access under
speculative execution, from Daniel.
4) Fix bpf_setsockopt's SO_MAX_PACING_RATE to support TCP internal
pacing, from Yuchung.
5) Fix json writer license in bpftool, from Thomas.
6) Fix AF_XDP to check if an actually queue exists during umem
setup, from Krzysztof.
7) Several fixes to BPF stackmap's build id handling. Another fix
for bpftool build to account for libbfd variations wrt linking
requirements, from Stanislav.
8) Fix BPF samples build with clang by working around missing asm
goto, from Yonghong.
9) Fix libbpf to retry program load on signal interrupt, from Lorenz.
10) Various minor compile warning fixes in BPF code, from Mathieu.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Test that externally learned FDB entries can roam, but not age out.
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Reviewed-by: Petr Machata <petrm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Test that externally learned FDB entries added from user space are
marked as offloaded.
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Reviewed-by: Petr Machata <petrm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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mlxsw doesn't implement offloading of all types of FDB entries that the
VXLAN driver supports. Test that such FDB entries are rejected. That
makes sure that the decision made by the existing validation code in
mlxsw propagates up the stack. It also exercises rollback functionality
in VXLAN, and tests that extack is returned.
Signed-off-by: Petr Machata <petrm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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TLS test cases recv_partial & recv_peek_large_buf_mult_recs expect to
receive a certain amount of data and then compare it against known
strings using memcmp. To prevent recvmsg() from returning lesser than
expected number of bytes (compared in memcmp), MSG_WAITALL needs to be
passed in recvmsg().
Signed-off-by: Vakul Garg <vakul.garg@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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In the face of missing user notification support, the self test needs
to stop executing a test (ASSERT_*) instead of just reporting and
continuing (EXPECT_*). This adjusts the user notification tests to do
that where needed.
Reported-by: Shuah Khan <shuah@kernel.org>
Fixes: 6a21cc50f0c7 ("seccomp: add a return code to trap to userspace")
Signed-off-by: Kees Cook <keescook@chromium.org>
Reviewed-by: Tycho Andersen <tycho@tycho.ws>
Tested-by: Shuah Khan <shuah@kernel.org>
Signed-off-by: Shuah Khan <shuah@kernel.org>
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While running test_progs in a loop I found out that I'm sometimes hitting
"Didn't find expected build ID from the map" error.
Looking at stack_map_get_build_id_offset() it seems that it is racy (by
design) and can sometimes return BPF_STACK_BUILD_ID_IP (i.e. can't trylock
current->mm->mmap_sem).
Let's retry this test a single time.
Fixes: 13790d1cc72c ("bpf: add selftest for stackmap with build_id in NMI context")
Acked-by: Song Liu <songliubraving@fb.com>
Signed-off-by: Stanislav Fomichev <sdf@google.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
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In iproute2 commit 90c5c969f0b9 ("fix print_0xhex on 32 bit"), the format
specifier for the ife type changed from 0x%X to %#llX, causing systematic
failures in the following TDC test cases:
7682 - Create valid ife encode action with mark and pass control
ef47 - Create valid ife encode action with mark and pipe control
df43 - Create valid ife encode action with mark and continue control
e4cf - Create valid ife encode action with mark and drop control
ccba - Create valid ife encode action with mark and reclassify control
a1cf - Create valid ife encode action with mark and jump control
cb3d - Create valid ife encode action with mark value at 32-bit maximum
95ed - Create valid ife encode action with prio and pass control
aa17 - Create valid ife encode action with prio and pipe control
74c7 - Create valid ife encode action with prio and continue control
7a97 - Create valid ife encode action with prio and drop control
f66b - Create valid ife encode action with prio and reclassify control
3056 - Create valid ife encode action with prio and jump control
7dd3 - Create valid ife encode action with prio value at 32-bit maximum
05bb - Create valid ife encode action with tcindex and pass control
ce65 - Create valid ife encode action with tcindex and pipe control
09cd - Create valid ife encode action with tcindex and continue control
8eb5 - Create valid ife encode action with tcindex and continue control
451a - Create valid ife encode action with tcindex and drop control
d76c - Create valid ife encode action with tcindex and reclassify control
e731 - Create valid ife encode action with tcindex and jump control
b7b8 - Create valid ife encode action with tcindex value at 16-bit maximum
2a9c - Create valid ife encode action with mac src parameter
cf5c - Create valid ife encode action with mac dst parameter
2353 - Create valid ife encode action with mac src and mac dst parameters
552c - Create valid ife encode action with mark and type parameters
0421 - Create valid ife encode action with prio and type parameters
4017 - Create valid ife encode action with tcindex and type parameters
fac3 - Create valid ife encode action with index at 32-bit maximnum
7c25 - Create valid ife decode action with pass control
dccb - Create valid ife decode action with pipe control
7bb9 - Create valid ife decode action with continue control
d9ad - Create valid ife decode action with drop control
219f - Create valid ife decode action with reclassify control
8f44 - Create valid ife decode action with jump control
b330 - Create ife encode action with cookie
Change 'matchPattern' values, allowing '0' and '0x0' if ife type is equal
to 0, and accepting both '0x' and '0X' otherwise, to let these tests pass
both with old and new tc binaries.
While at it, fix a small typo in test case fac3 ('maximnum'->'maximum').
Signed-off-by: Davide Caratti <dcaratti@redhat.com>
Acked-by: Stephen Hemminger <stephen@networkplumber.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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With gcc 7.3.0:
gpio-mockup-chardev.c: In function ‘get_debugfs’:
gpio-mockup-chardev.c:62:3: warning: ignoring return value of ‘asprintf’, declared with attribute warn_unused_result [-Wunused-result]
asprintf(path, "%s/gpio", mnt_fs_get_target(fs));
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Handle asprintf() failures to fix this.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Shuah Khan <shuah@kernel.org>
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The bpffs pretty print test is extended to cover int128 types.
Tested on an x64 machine.
$ test_btf -p
......
BTF pretty print array(#3)......OK
PASS:9 SKIP:0 FAIL:0
Acked-by: Martin KaFai Lau <kafai@fb.com>
Signed-off-by: Yonghong Song <yhs@fb.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
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The test_btf pretty print is refactored in order to easily
support multiple map value formats. The next patch will
add __int128 type tests which needs macro guard __SIZEOF_INT128__.
There is no functionality change with this patch.
Acked-by: Martin KaFai Lau <kafai@fb.com>
Signed-off-by: Yonghong Song <yhs@fb.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
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Several int128 raw type tests are added to test_btf.
Currently these tests are enabled only for x64 and arm64
for which kernel has CONFIG_ARCH_SUPPORTS_INT128 set.
$ test_btf
......
BTF raw test[106] (128-bit int): OK
BTF raw test[107] (struct, 128-bit int member): OK
BTF raw test[108] (struct, 120-bit int member bitfield): OK
BTF raw test[109] (struct, kind_flag, 128-bit int member): OK
BTF raw test[110] (struct, kind_flag, 120-bit int member bitfield): OK
......
Acked-by: Martin KaFai Lau <kafai@fb.com>
Signed-off-by: Yonghong Song <yhs@fb.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
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seccomp_bpf fails to build due to undefined reference errors:
aarch64-linaro-linux-gcc --sysroot=/build/tmp-rpb-glibc/sysroots/hikey
-O2 -pipe -g -feliminate-unused-debug-types -Wl,-no-as-needed -Wall
-Wl,-O1 -Wl,--hash-style=gnu -Wl,--as-needed -lpthread seccomp_bpf.c -o
/build/tmp-rpb-glibc/work/hikey-linaro-linux/kselftests/4.12-r0/linux-4.12-rc7/tools/testing/selftests/seccomp/seccomp_bpf
/tmp/ccrlR3MW.o: In function `tsync_sibling':
/usr/src/debug/kselftests/4.12-r0/linux-4.12-rc7/tools/testing/selftests/seccomp/seccomp_bpf.c:1920: undefined reference to `sem_post'
/usr/src/debug/kselftests/4.12-r0/linux-4.12-rc7/tools/testing/selftests/seccomp/seccomp_bpf.c:1920: undefined reference to `sem_post'
/tmp/ccrlR3MW.o: In function `TSYNC_setup':
/usr/src/debug/kselftests/4.12-r0/linux-4.12-rc7/tools/testing/selftests/seccomp/seccomp_bpf.c:1863: undefined reference to `sem_init'
/tmp/ccrlR3MW.o: In function `TSYNC_teardown':
/usr/src/debug/kselftests/4.12-r0/linux-4.12-rc7/tools/testing/selftests/seccomp/seccomp_bpf.c:1904: undefined reference to `sem_destroy'
/usr/src/debug/kselftests/4.12-r0/linux-4.12-rc7/tools/testing/selftests/seccomp/seccomp_bpf.c:1897: undefined reference to `pthread_kill'
/usr/src/debug/kselftests/4.12-r0/linux-4.12-rc7/tools/testing/selftests/seccomp/seccomp_bpf.c:1898: undefined reference to `pthread_cancel'
/usr/src/debug/kselftests/4.12-r0/linux-4.12-rc7/tools/testing/selftests/seccomp/seccomp_bpf.c:1899: undefined reference to `pthread_join'
/tmp/ccrlR3MW.o: In function `tsync_start_sibling':
/usr/src/debug/kselftests/4.12-r0/linux-4.12-rc7/tools/testing/selftests/seccomp/seccomp_bpf.c:1941: undefined reference to `pthread_create'
/usr/src/debug/kselftests/4.12-r0/linux-4.12-rc7/tools/testing/selftests/seccomp/seccomp_bpf.c:1941: undefined reference to `pthread_create'
/tmp/ccrlR3MW.o: In function `TSYNC_siblings_fail_prctl':
/usr/src/debug/kselftests/4.12-r0/linux-4.12-rc7/tools/testing/selftests/seccomp/seccomp_bpf.c:1978: undefined reference to `sem_wait'
/usr/src/debug/kselftests/4.12-r0/linux-4.12-rc7/tools/testing/selftests/seccomp/seccomp_bpf.c:1990: undefined reference to `pthread_join'
/usr/src/debug/kselftests/4.12-r0/linux-4.12-rc7/tools/testing/selftests/seccomp/seccomp_bpf.c:1992: undefined reference to `pthread_join'
/tmp/ccrlR3MW.o: In function `tsync_start_sibling':
/usr/src/debug/kselftests/4.12-r0/linux-4.12-rc7/tools/testing/selftests/seccomp/seccomp_bpf.c:1941: undefined reference to `pthread_create'
/usr/src/debug/kselftests/4.12-r0/linux-4.12-rc7/tools/testing/selftests/seccomp/seccomp_bpf.c:1941: undefined reference to `pthread_create'
/tmp/ccrlR3MW.o: In function `TSYNC_two_siblings_with_ancestor':
/usr/src/debug/kselftests/4.12-r0/linux-4.12-rc7/tools/testing/selftests/seccomp/seccomp_bpf.c:2016: undefined reference to `sem_wait'
/usr/src/debug/kselftests/4.12-r0/linux-4.12-rc7/tools/testing/selftests/seccomp/seccomp_bpf.c:2032: undefined reference to `pthread_join'
/usr/src/debug/kselftests/4.12-r0/linux-4.12-rc7/tools/testing/selftests/seccomp/seccomp_bpf.c:2034: undefined reference to `pthread_join'
/tmp/ccrlR3MW.o: In function `tsync_start_sibling':
/usr/src/debug/kselftests/4.12-r0/linux-4.12-rc7/tools/testing/selftests/seccomp/seccomp_bpf.c:1941: undefined reference to `pthread_create'
/usr/src/debug/kselftests/4.12-r0/linux-4.12-rc7/tools/testing/selftests/seccomp/seccomp_bpf.c:1941: undefined reference to `pthread_create'
/tmp/ccrlR3MW.o: In function `TSYNC_two_sibling_want_nnp':
/usr/src/debug/kselftests/4.12-r0/linux-4.12-rc7/tools/testing/selftests/seccomp/seccomp_bpf.c:2046: undefined reference to `sem_wait'
/usr/src/debug/kselftests/4.12-r0/linux-4.12-rc7/tools/testing/selftests/seccomp/seccomp_bpf.c:2058: undefined reference to `pthread_join'
/usr/src/debug/kselftests/4.12-r0/linux-4.12-rc7/tools/testing/selftests/seccomp/seccomp_bpf.c:2060: undefined reference to `pthread_join'
/tmp/ccrlR3MW.o: In function `tsync_start_sibling':
/usr/src/debug/kselftests/4.12-r0/linux-4.12-rc7/tools/testing/selftests/seccomp/seccomp_bpf.c:1941: undefined reference to `pthread_create'
/usr/src/debug/kselftests/4.12-r0/linux-4.12-rc7/tools/testing/selftests/seccomp/seccomp_bpf.c:1941: undefined reference to `pthread_create'
/tmp/ccrlR3MW.o: In function `TSYNC_two_siblings_with_no_filter':
/usr/src/debug/kselftests/4.12-r0/linux-4.12-rc7/tools/testing/selftests/seccomp/seccomp_bpf.c:2073: undefined reference to `sem_wait'
/usr/src/debug/kselftests/4.12-r0/linux-4.12-rc7/tools/testing/selftests/seccomp/seccomp_bpf.c:2098: undefined reference to `pthread_join'
/usr/src/debug/kselftests/4.12-r0/linux-4.12-rc7/tools/testing/selftests/seccomp/seccomp_bpf.c:2100: undefined reference to `pthread_join'
/tmp/ccrlR3MW.o: In function `tsync_start_sibling':
/usr/src/debug/kselftests/4.12-r0/linux-4.12-rc7/tools/testing/selftests/seccomp/seccomp_bpf.c:1941: undefined reference to `pthread_create'
/usr/src/debug/kselftests/4.12-r0/linux-4.12-rc7/tools/testing/selftests/seccomp/seccomp_bpf.c:1941: undefined reference to `pthread_create'
/tmp/ccrlR3MW.o: In function `TSYNC_two_siblings_with_one_divergence':
/usr/src/debug/kselftests/4.12-r0/linux-4.12-rc7/tools/testing/selftests/seccomp/seccomp_bpf.c:2125: undefined reference to `sem_wait'
/usr/src/debug/kselftests/4.12-r0/linux-4.12-rc7/tools/testing/selftests/seccomp/seccomp_bpf.c:2143: undefined reference to `pthread_join'
/usr/src/debug/kselftests/4.12-r0/linux-4.12-rc7/tools/testing/selftests/seccomp/seccomp_bpf.c:2145: undefined reference to `pthread_join'
/tmp/ccrlR3MW.o: In function `tsync_start_sibling':
/usr/src/debug/kselftests/4.12-r0/linux-4.12-rc7/tools/testing/selftests/seccomp/seccomp_bpf.c:1941: undefined reference to `pthread_create'
/usr/src/debug/kselftests/4.12-r0/linux-4.12-rc7/tools/testing/selftests/seccomp/seccomp_bpf.c:1941: undefined reference to `pthread_create'
/tmp/ccrlR3MW.o: In function `TSYNC_two_siblings_not_under_filter':
/usr/src/debug/kselftests/4.12-r0/linux-4.12-rc7/tools/testing/selftests/seccomp/seccomp_bpf.c:2169: undefined reference to `sem_wait'
/usr/src/debug/kselftests/4.12-r0/linux-4.12-rc7/tools/testing/selftests/seccomp/seccomp_bpf.c:2202: undefined reference to `pthread_join'
/usr/src/debug/kselftests/4.12-r0/linux-4.12-rc7/tools/testing/selftests/seccomp/seccomp_bpf.c:2227: undefined reference to `pthread_join'
/tmp/ccrlR3MW.o: In function `tsync_start_sibling':
/usr/src/debug/kselftests/4.12-r0/linux-4.12-rc7/tools/testing/selftests/seccomp/seccomp_bpf.c:1941: undefined reference to `pthread_create'
It's GNU Make and linker specific.
The default Makefile rule looks like:
$(CC) $(CFLAGS) $(LDFLAGS) $@ $^ $(LDLIBS)
When linking is done by gcc itself, no issue, but when it needs to be passed
to proper ld, only LDLIBS follows and then ld cannot know what libs to link
with.
More detail:
https://www.gnu.org/software/make/manual/html_node/Implicit-Variables.html
LDFLAGS
Extra flags to give to compilers when they are supposed to invoke the linker,
‘ld’, such as -L. Libraries (-lfoo) should be added to the LDLIBS variable
instead.
LDLIBS
Library flags or names given to compilers when they are supposed to invoke the
linker, ‘ld’. LOADLIBES is a deprecated (but still supported) alternative to
LDLIBS. Non-library linker flags, such as -L, should go in the LDFLAGS
variable.
https://lkml.org/lkml/2010/2/10/362
tools/perf: libraries must come after objects
Link order matters, use LDLIBS instead of LDFLAGS to properly link against
libpthread.
Signed-off-by: Fathi Boudra <fathi.boudra@linaro.org>
Acked-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Shuah Khan <shuah@kernel.org>
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After commit 1c25324caf82 ("net/sched: act_tunnel_key: Don't dump dst port
if it wasn't set"), act_tunnel_key doesn't dump anymore the destination
port, unless it was explicitly configured. This caused systematic failures
in the following TDC test case:
7a88 - Add tunnel_key action with cookie parameter
Avoid matching zero values of TCA_TUNNEL_KEY_ENC_DST_PORT to let the test
pass again.
Signed-off-by: Davide Caratti <dcaratti@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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After merge of commit 80ef0f22ceda ("net/sched: act_tunnel_key: Allow
key-less tunnels"), act_tunnel_key does not reject anymore requests to
install 'set' rules where the key id is missing. Therefore, drop the
following TDC testcase:
ba4e - Add tunnel_key set action with missing mandatory id parameter
because it's going to become a systematic fail as soon as userspace
iproute2 will start supporting key-less tunnels.
Signed-off-by: Davide Caratti <dcaratti@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This should be == instead of =.
Fixes: b52354aa068e ("selftests: expand txtimestamp with ipv6 dgram + raw and pf_packet")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Willem de Bruijn <willemb@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
|
|
An expansion field was added to the kernel copy of this structure for
future use. See mm/gup_benchmark.c.
Add the same expansion field here, so that the IOCTL command decodes
correctly. Otherwise, it fails with EINVAL.
Signed-off-by: Alison Schofield <alison.schofield@intel.com>
Acked-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Signed-off-by: Shuah Khan <shuah@kernel.org>
|
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test_flow_dissector.sh depends on both with_addr.sh and with_tunnels.sh
However, we install only with_addr.sh.
Add with_tunnels.sh to TEST_PROGS_EXTENDED to make sure it gets
installed as well.
Tested with: make TARGETS=bpf install INSTALL_PATH=$PWD/x
Fixes: ef4ab8447aa26 ("selftests: bpf: install script with_addr.sh")
Signed-off-by: Stanislav Fomichev <sdf@google.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
|
|
There was a bug where the per-mm pkey state was not being preserved across
fork() in the child. fork() is performed in the pkey selftests, but all of
the pkey activity is performed in the parent. The child does not perform
any actions sensitive to pkey state.
To make the test more sensitive to these kinds of bugs, add a fork() where
the parent exits, and execution continues in the child.
To achieve this let the key exhaustion test not terminate at the first
allocation failure and fork after 2*NR_PKEYS loops and continue in the
child.
Signed-off-by: Dave Hansen <dave.hansen@linux.intel.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: bp@alien8.de
Cc: hpa@zytor.com
Cc: peterz@infradead.org
Cc: mpe@ellerman.id.au
Cc: will.deacon@arm.com
Cc: luto@kernel.org
Cc: jroedel@suse.de
Cc: stable@vger.kernel.org
Cc: Borislav Petkov <bp@alien8.de>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Will Deacon <will.deacon@arm.com>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Joerg Roedel <jroedel@suse.de>
Link: https://lkml.kernel.org/r/20190102215657.585704B7@viggo.jf.intel.com
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Remove sys/ucontext.h which is included more than once.
Signed-off-by: Sabyasachi Gupta <sabyasachi.linux@gmail.com>
Signed-off-by: Shuah Khan <shuah@kernel.org>
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There is a spelling mistake eprintf error message, fix it.
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Shuah Khan <shuah@kernel.org>
|
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Unfortunately, some RTC don't have a second resolution for alarm so also
test for alarm on a minute boundary.
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: Shuah Khan <shuah@kernel.org>
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Return values for select are not checked properly and timeouts may not be
detected.
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: Shuah Khan <shuah@kernel.org>
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|
A new self test that forces MSR[TS] to be set without calling any TM
instruction. This test also tries to cause a page fault at a signal
handler, exactly between MSR[TS] set and tm_recheckpoint(), forcing
thread->texasr to be rewritten with TEXASR[FS] = 0, which will cause a BUG
when tm_recheckpoint() is called.
This test is not deterministic, since it is hard to guarantee that the page
access will cause a page fault. In order to force more page faults at
signal context, the signal handler and the ucontext are being mapped into a
MADV_DONTNEED memory chunks.
Tests have shown that the bug could be exposed with few interactions in a
buggy kernel. This test is configured to loop 5000x, having a good chance
to hit the kernel issue in just one run. This self test takes less than
two seconds to run.
This test uses set/getcontext because the kernel will recheckpoint
zeroed structures, causing the test to segfault, which is undesired because
the test needs to rerun, so, there is a signal handler for SIGSEGV which
will restart the test.
v2: Uses the MADV_DONTNEED memory advice
v3: Fix memcpy and 32-bits compilation
v4: Does not define unused macros
Signed-off-by: Breno Leitao <leitao@debian.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
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Add a few livepatch modules and simple target modules that the included
regression suite can run tests against:
- basic livepatching (multiple patches, atomic replace)
- pre/post (un)patch callbacks
- shadow variable API
Signed-off-by: Joe Lawrence <joe.lawrence@redhat.com>
Signed-off-by: Petr Mladek <pmladek@suse.com>
Tested-by: Miroslav Benes <mbenes@suse.cz>
Tested-by: Alice Ferrazzi <alice.ferrazzi@gmail.com>
Acked-by: Joe Lawrence <joe.lawrence@redhat.com>
Acked-by: Josh Poimboeuf <jpoimboe@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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