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There was a time long ago when the "test" command's documentation
claimed that the "-a" and "-o" arguments did something useful.
But this documentation now suggests letting the shell execute
these boolean operators, so this commit applies that suggestion to
kvm-test-1-run-qemu.sh.
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
This commit causes kvm-test-1-run-batch.sh to use the new
kvm-assign-cpus.sh and kvm-get-cpus-script.sh scripts to create a
TORTURE_AFFINITY environment variable containing either an empty string
(for no affinity) or a list of CPUs to pin the scenario's vCPUs to.
The additional change to kvm-test-1-run.sh places the per-scenario
number-of-CPUs information where it can easily be found.
If there is some reason why affinity cannot be supplied, this commit
prints and logs the reason via changes to kvm-again.sh.
Finally, this commit updates the kvm-remote.sh script to copy the
qemu-affinity output files back to the host system.
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
There is "qemu-affinity", "qemu-cmd", "qemu-retval", but also "qemu_pid".
This is hard to remember, not so good for bash tab completion, and just
plain inconsistent. This commit therefore renames the "qemu_pid" file to
"qemu-pid". A couple of the scripts must deal with old runs, and thus
must handle both "qemu_pid" and "qemu-pid", but new runs will produce
"qemu-pid".
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
The jitter.sh script has some entertaining awk code to generate a
hex mask from a randomly selected CPU number, which is handed to the
"taskset" command. Except that this command has a "-c" parameter to
take a comma/dash-separated list of CPU numbers. This commit therefore
saves a few lines of awk by switching to a single-number CPU list.
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
There is no way to place the vCPUs in a two-CPU rcutorture scenario to
get variable memory latency. This commit therefore upgrades the current
two-CPU rcutorture scenarios to four CPUs.
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
This commit causes the kvm-test-1-run-qemu.sh script to check the
TORTURE_AFFINITY environment variable and to add "taskset" commands to
the qemu-cmd file. The first "taskset" command is applied only if the
TORTURE_AFFINITY environment variable is a non-empty string, and this
command pins the current scenario's guest OS to the specified CPUs.
The second "taskset" command reports the guest OS's affinity in a new
"qemu-affinity" file.
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
Currently, kvm-test-1-run-qemu.sh applies redirection to each and every
line of each qemu-cmd script. Only the first line (the only one that
is not a bash comment) needs to be redirected. Although redirecting
the comments is currently harmless, just adding to the comment, it is
an accident waiting to happen. This commit therefore adjusts the "sed"
command to redirect only the qemu-system* command itself.
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
This commit causes kvm.sh to use the new kvm-assign-cpus.sh and
kvm-get-cpus-script.sh scripts to create a TORTURE_AFFINITY environment
variable containing either an empty string (for no affinity) or a list
of CPUs to pin the scenario's vCPUs to. A later commit will make
use of this information to actually pin the vCPUs.
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
Add a simple selftest for a move_mount(MOVE_MOUNT_SET_GROUP). This tests
that one can copy sharing from one mount from nested mntns with nested
userns owner to another mount from other nested mntns with other nested
userns owner while in their parent userns.
TAP version 13
1..1
# Starting 1 tests from 2 test cases.
# RUN move_mount_set_group.complex_sharing_copying ...
# OK move_mount_set_group.complex_sharing_copying
ok 1 move_mount_set_group.complex_sharing_copying
# PASSED: 1 / 1 tests passed.
# Totals: pass:1 fail:0 xfail:0 xpass:0 skip:0 error:0
Link: https://lore.kernel.org/r/20210715100714.120228-2-ptikhomirov@virtuozzo.com
Cc: Shuah Khan <shuah@kernel.org>
Cc: Eric W. Biederman <ebiederm@xmission.com>
Cc: Alexander Viro <viro@zeniv.linux.org.uk>
Cc: Christian Brauner <christian.brauner@ubuntu.com>
Cc: Mattias Nissler <mnissler@chromium.org>
Cc: Aleksa Sarai <cyphar@cyphar.com>
Cc: Andrei Vagin <avagin@gmail.com>
Cc: linux-fsdevel@vger.kernel.org
Cc: linux-kselftest@vger.kernel.org
Cc: lkml <linux-kernel@vger.kernel.org>
Signed-off-by: Pavel Tikhomirov <ptikhomirov@virtuozzo.com>
Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>
This test passes pointers obtained from anon_allocate_area to the
userfaultfd and mremap APIs. This causes a problem if the system
allocator returns tagged pointers because with the tagged address ABI
the kernel rejects tagged addresses passed to these APIs, which would
end up causing the test to fail. To make this test compatible with such
system allocators, stop using the system allocator to allocate memory in
anon_allocate_area, and instead just use mmap.
Link: https://lkml.kernel.org/r/20210714195437.118982-3-pcc@google.com
Link: https://linux-review.googlesource.com/id/Icac91064fcd923f77a83e8e133f8631c5b8fc241
Fixes: c47174fc362a ("userfaultfd: selftest")
Co-developed-by: Lokesh Gidra <lokeshgidra@google.com>
Signed-off-by: Lokesh Gidra <lokeshgidra@google.com>
Signed-off-by: Peter Collingbourne <pcc@google.com>
Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>
Cc: Vincenzo Frascino <vincenzo.frascino@arm.com>
Cc: Dave Martin <Dave.Martin@arm.com>
Cc: Will Deacon <will@kernel.org>
Cc: Andrea Arcangeli <aarcange@redhat.com>
Cc: Alistair Delva <adelva@google.com>
Cc: William McVicker <willmcvicker@google.com>
Cc: Evgenii Stepanov <eugenis@google.com>
Cc: Mitch Phillips <mitchp@google.com>
Cc: Andrey Konovalov <andreyknvl@gmail.com>
Cc: <stable@vger.kernel.org> [5.4]
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Add a list of vmtest script dependencies to make it easier for new
contributors to get going.
Signed-off-by: Evgeniy Litvinenko <evgeniyl@fb.com>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/20210723223645.907802-1-evgeniyl@fb.com
This patch adds tests for the batching and bpf_(get|set)sockopt in
bpf tcp iter.
It first creates:
a) 1 non SO_REUSEPORT listener in lhash2.
b) 256 passive and active fds connected to the listener in (a).
c) 256 SO_REUSEPORT listeners in one of the lhash2 bucket.
The test sets all listeners and connections to bpf_cubic before
running the bpf iter.
The bpf iter then calls setsockopt(TCP_CONGESTION) to switch
each listener and connection from bpf_cubic to bpf_dctcp.
The bpf iter has a random_retry mode such that it can return EAGAIN
to the usespace in the middle of a batch.
Signed-off-by: Martin KaFai Lau <kafai@fb.com>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Acked-by: Kuniyuki Iwashima <kuniyu@amazon.co.jp>
Acked-by: Yonghong Song <yhs@fb.com>
Link: https://lore.kernel.org/bpf/20210701200625.1036874-1-kafai@fb.com
Previously, the newly introduced test case in test_map_in_map(), which
checks whether the inner map is destroyed after unsuccessful creation of
the outer map, logged the following harmless and expected error:
libbpf: map 'mim': failed to create: Invalid argument(-22) libbpf:
failed to load object './test_map_in_map_invalid.o'
To avoid any possible confusion, mute the logging during loading of the
prog.
Fixes: 08f71a1e39a1 ("selftests/bpf: Check inner map deletion")
Reported-by: Andrii Nakryiko <andrii@kernel.org>
Signed-off-by: Martynas Pumputis <m@lambda.lt>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/20210721140941.563175-1-m@lambda.lt
Pull networking fixes from David Miller:
1) Fix type of bind option flag in af_xdp, from Baruch Siach.
2) Fix use after free in bpf_xdp_link_release(), from Xuan Zhao.
3) PM refcnt imbakance in r8152, from Takashi Iwai.
4) Sign extension ug in liquidio, from Colin Ian King.
5) Mising range check in s390 bpf jit, from Colin Ian King.
6) Uninit value in caif_seqpkt_sendmsg(), from Ziyong Xuan.
7) Fix skb page recycling race, from Ilias Apalodimas.
8) Fix memory leak in tcindex_partial_destroy_work, from Pave Skripkin.
9) netrom timer sk refcnt issues, from Nguyen Dinh Phi.
10) Fix data races aroun tcp's tfo_active_disable_stamp, from Eric
Dumazet.
11) act_skbmod should only operate on ethernet packets, from Peilin Ye.
12) Fix slab out-of-bpunds in fib6_nh_flush_exceptions(),, from Psolo
Abeni.
13) Fix sparx5 dependencies, from Yajun Deng.
* git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (74 commits)
dpaa2-switch: seed the buffer pool after allocating the swp
net: sched: cls_api: Fix the the wrong parameter
net: sparx5: fix unmet dependencies warning
net: dsa: tag_ksz: dont let the hardware process the layer 4 checksum
net: dsa: ensure linearized SKBs in case of tail taggers
ravb: Remove extra TAB
ravb: Fix a typo in comment
net: dsa: sja1105: make VID 4095 a bridge VLAN too
tcp: disable TFO blackhole logic by default
sctp: do not update transport pathmtu if SPP_PMTUD_ENABLE is not set
net: ixp46x: fix ptp build failure
ibmvnic: Remove the proper scrq flush
selftests: net: add ESP-in-UDP PMTU test
udp: check encap socket in __udp_lib_err
sctp: update active_key for asoc when old key is being replaced
r8169: Avoid duplicate sysfs entry creation error
ixgbe: Fix packet corruption due to missing DMA sync
Revert "qed: fix possible unpaired spin_{un}lock_bh in _qed_mcp_cmd_and_union()"
ipv6: fix another slab-out-of-bounds in fib6_nh_flush_exceptions
fsl/fman: Add fibre support
...
The case of ESP in UDP encapsulation was not covered before. Add
cases of local changes of MTU and difference on routed path.
Signed-off-by: Vadim Fedorenko <vfedorenko@novek.ru>
Signed-off-by: David S. Miller <davem@davemloft.net>
This test evaluates the IOAM insertion for IPv6 by checking the IOAM data
integrity on the receiver.
The topology is formed by 3 nodes: Alpha (sender), Beta (router in-between)
and Gamma (receiver). An IOAM domain is configured from Alpha to Gamma only,
which means not on the reverse path. When Gamma is the destination, Alpha
adds an IOAM option (Pre-allocated Trace) inside a Hop-by-hop and fills the
trace with its own IOAM data. Beta and Gamma also fill the trace. The IOAM
data integrity is checked on Gamma, by comparing with the pre-defined IOAM
configuration (see below).
+-------------------+ +-------------------+
| | | |
| alpha netns | | gamma netns |
| | | |
| +-------------+ | | +-------------+ |
| | veth0 | | | | veth0 | |
| | db01::2/64 | | | | db02::2/64 | |
| +-------------+ | | +-------------+ |
| . | | . |
+-------------------+ +-------------------+
. .
. .
. .
+----------------------------------------------------+
| . . |
| +-------------+ +-------------+ |
| | veth0 | | veth1 | |
| | db01::1/64 | ................ | db02::1/64 | |
| +-------------+ +-------------+ |
| |
| beta netns |
| |
+--------------------------+-------------------------+
~~~~~~~~~~~~~~~~~~~~~~
| IOAM configuration |
~~~~~~~~~~~~~~~~~~~~~~
Alpha
+-----------------------------------------------------------+
| Type | Value |
+-----------------------------------------------------------+
| Node ID | 1 |
+-----------------------------------------------------------+
| Node Wide ID | 11111111 |
+-----------------------------------------------------------+
| Ingress ID | 0xffff (default value) |
+-----------------------------------------------------------+
| Ingress Wide ID | 0xffffffff (default value) |
+-----------------------------------------------------------+
| Egress ID | 101 |
+-----------------------------------------------------------+
| Egress Wide ID | 101101 |
+-----------------------------------------------------------+
| Namespace Data | 0xdeadbee0 |
+-----------------------------------------------------------+
| Namespace Wide Data | 0xcafec0caf00dc0de |
+-----------------------------------------------------------+
| Schema ID | 777 |
+-----------------------------------------------------------+
| Schema Data | something that will be 4n-aligned |
+-----------------------------------------------------------+
Note: When Gamma is the destination, Alpha adds an IOAM Pre-allocated Trace
option inside a Hop-by-hop, where 164 bytes are pre-allocated for the
trace, with 123 as the IOAM-Namespace and with 0xfff00200 as the trace
type (= all available options at this time). As a result, and based on
IOAM configurations here, only both Alpha and Beta should be capable of
inserting their IOAM data while Gamma won't have enough space and will
set the overflow bit.
Beta
+-----------------------------------------------------------+
| Type | Value |
+-----------------------------------------------------------+
| Node ID | 2 |
+-----------------------------------------------------------+
| Node Wide ID | 22222222 |
+-----------------------------------------------------------+
| Ingress ID | 201 |
+-----------------------------------------------------------+
| Ingress Wide ID | 201201 |
+-----------------------------------------------------------+
| Egress ID | 202 |
+-----------------------------------------------------------+
| Egress Wide ID | 202202 |
+-----------------------------------------------------------+
| Namespace Data | 0xdeadbee1 |
+-----------------------------------------------------------+
| Namespace Wide Data | 0xcafec0caf11dc0de |
+-----------------------------------------------------------+
| Schema ID | 0xffffff (= None) |
+-----------------------------------------------------------+
| Schema Data | |
+-----------------------------------------------------------+
Gamma
+-----------------------------------------------------------+
| Type | Value |
+-----------------------------------------------------------+
| Node ID | 3 |
+-----------------------------------------------------------+
| Node Wide ID | 33333333 |
+-----------------------------------------------------------+
| Ingress ID | 301 |
+-----------------------------------------------------------+
| Ingress Wide ID | 301301 |
+-----------------------------------------------------------+
| Egress ID | 0xffff (default value) |
+-----------------------------------------------------------+
| Egress Wide ID | 0xffffffff (default value) |
+-----------------------------------------------------------+
| Namespace Data | 0xdeadbee2 |
+-----------------------------------------------------------+
| Namespace Wide Data | 0xcafec0caf22dc0de |
+-----------------------------------------------------------+
| Schema ID | 0xffffff (= None) |
+-----------------------------------------------------------+
| Schema Data | |
+-----------------------------------------------------------+
Signed-off-by: Justin Iurman <justin.iurman@uliege.be>
Signed-off-by: David S. Miller <davem@davemloft.net>
Fix the following ingonred return val of asprintf() warn during
build:
cc -Wall -O2 fw_namespace.c -o ../tools/testing/selftests/firmware/fw_namespace
fw_namespace.c: In function ‘main’:
fw_namespace.c:132:2: warning: ignoring return value of ‘asprintf’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
132 | asprintf(&fw_path, "/lib/firmware/%s", fw_name);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
Link: https://lore.kernel.org/r/20210708031827.51293-1-skhan@linuxfoundation.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Verify that feature files are created successfully after mounting a
binderfs instance. Note that only "oneway_spam_detection" feature is
tested with this patch as it is currently the only feature listed.
Acked-by: Christian Brauner <christian.brauner@ubuntu.com>
Signed-off-by: Carlos Llamas <cmllamas@google.com>
Link: https://lore.kernel.org/r/20210715031805.1725878-3-cmllamas@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Set hthresh, dump it again and verify thresh.lbits && thresh.rbits.
They are passed as attributes of xfrm_spdattr_type_t, different from
other message attributes that use xfrm_attr_type_t.
Also, test attribute that is bigger than XFRMA_SPD_MAX, currently it
should be silently ignored.
Cc: Shuah Khan <shuah@kernel.org>
Cc: linux-kselftest@vger.kernel.org
Signed-off-by: Dmitry Safonov <dima@arista.com>
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
This commit is a first step towards pinning guest-OS vCPUs so as
to force latency differences, especially on multi-socket systems.
The kvm.sh script puts its batch-creation awk script into a temporary
file so that later commits can add the awk code needed to dole out CPUs
so as to maximize latency differences. This awk code will be used by
multiple scripts.
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
The last line of kvm-test-1-run-qemu.sh invokes parse-console.sh, but
kvm-test-1-run-qemu.sh is unaware of the PATH containing this script
and does not have the job title handy. This commit therefore moves
the invocation of parse-console.sh to kvm-test-1-run.sh, which has
PATH and title at hand. This commit does not add an invocation of
parse-console.sh to kvm-test-1-run-batch.sh because this latter script
is run in the background, and the information will be gathered at the
end of the full run.
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
Currently, kvm-recheck.sh attempts to create a kcsan.sum file even for
build-only runs. This results in false-positive bash errors due to
there being no console.log files in that case. This commit therefore
makes kvm-recheck.sh skip creating the kcsan.sum file for build-only runs.
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
The kvm-remote.sh script places the datestamped directory containing
all the build artifacts in the destination systems' /tmp directories,
where they accumulate runtime artifacts such as console.log. This works,
but some systems have a habit of removing files in /tmp that have not
been recently accessed. This commit therefore runs a simple script that
periodically accesses all files in the datestamped directory.
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
The qemu-cmd file can contain comments that are not relevant to the
operation of kvm-recheck-lock.sh. This commit therefore strips these
comments before looking for timing information.
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
The qemu-cmd file can contain comments that are not relevant to the
operation of kvm-recheck-scf.sh. This commit therefore strips these
comments before looking for timing information.
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
Currently, each -kcsan run in a torture.sh group of runs has its own
kcsan.sum summary. This works, but there is usually a lot of duplication
between the runs. This commit therefore also creates an overall kcsan.sum
file for the entire torture.sh run, if there was at least one -kcsan run.
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
The kcsan-collapse.sh script assumes that it is being run over the output
of a single kvm.sh run, which is less than helpful for torture.sh runs.
This commit therefore changes the kcsan-collapse.sh script's "ls" pattern
with a "find" command to enable a KCSAN summary across all the -kcsan
runs in a full torture.sh run.
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
Currently, torture.sh accepts --doall on the one hand and --do-none
on the other, which is a bit inconsistent. This commit therefore adds
--do-all and --donone so that a fully consistent test may be used.
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
This commit adds three short tests of the clocksource-watchdog capability
to the torture.sh script, all to avoid otherwise-inevitable bitrot.
While in the area, fix an obsolete comment.
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
When run test_tc_tunnel.sh, it complains following error
ipip
encap 192.168.1.1 to 192.168.1.2, type ipip, mac none len 100
test basic connectivity
nc: cannot use -p and -l
nc man page has:
-l Listen for an incoming connection rather than initiating
a connection to a remote host.Cannot be used together with
any of the options -psxz. Additionally, any timeouts specified
with the -w option are ignored.
Correct nc in server_listen().
Signed-off-by: Vincent Li <vincent.mc.li@gmail.com>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Acked-by: Martin KaFai Lau <kafai@fb.com>
Link: https://lore.kernel.org/bpf/20210719223022.66681-1-vincent.mc.li@gmail.com
UDP socket support was added recently so testing UDP insert failure is no
longer correct and causes test_maps failure. The fix is easy though, we
simply need to test that UDP is correctly added instead of blocked.
Fixes: 122e6c79efe1c ("sock_map: Update sock type checks for UDP")
Reported-by: Andrii Nakryiko <andrii@kernel.org>
Signed-off-by: John Fastabend <john.fastabend@gmail.com>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/20210720184832.452430-1-john.fastabend@gmail.com
Simple functional test for the newly exposed features.
Also add an optional stress test for the channel number
update under flood.
RFC v1 -> RFC v2:
- add the stress test
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Add a test case to check whether an unsuccessful creation of an outer
map of a BTF-defined map-in-map destroys the inner map.
As bpf_object__create_map() is a static function, we cannot just call it
from the test case and then check whether a map accessible via
map->inner_map_fd has been closed. Instead, we iterate over all maps and
check whether the map "$MAP_NAME.inner" does not exist.
Signed-off-by: Martynas Pumputis <m@lambda.lt>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Acked-by: John Fastabend <john.fastabend@gmail.com>
Link: https://lore.kernel.org/bpf/20210719173838.423148-3-m@lambda.lt
- Fix MTE shared page detection
- Fix selftest use of obsolete pthread_yield() in favour of sched_yield()
- Enable selftest's use of PMU registers when asked to
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Merge tag 'kvmarm-fixes-5.14-1' of git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into HEAD
KVM/arm64 fixes for 5.14, take #1
- Fix MTE shared page detection
- Fix selftest use of obsolete pthread_yield() in favour of sched_yield()
- Enable selftest's use of PMU registers when asked to
This KUnit fixes update for Linux 5.14-rc2 consists of fixes to kunit
tool and documentation:
-- asserts on older python versions.
-- fixes to misleading error messages when TAP header format is
incorrect or when file is missing.
-- fixes documentation dropping obsolete information about uml_abort
coverage.
-- removing unnecessary annotations
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Merge tag 'linux-kselftest-kunit-fixes-5.14-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest
Pull kunit fixes from Shuah Khan:
"Fixes to kunit tool and documentation:
- fix asserts on older python versions
- fixes to misleading error messages when TAP header format is
incorrect or when file is missing
- documentation fix: drop obsolete information about uml_abort
coverage
- remove unnecessary annotations"
* tag 'linux-kselftest-kunit-fixes-5.14-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest:
kunit: tool: Assert the version requirement
kunit: tool: remove unnecessary "annotations" import
Documentation: kunit: drop obsolete note about uml_abort for coverage
kunit: tool: Fix error messages for cases of no tests and wrong TAP header
This Kselftest fixes update for Linux 5.14-rc2 consists of fix
to memory-hotplug hot-remove test to stop spamming logs with
dump_page() entries and slowing the system down to a crawl.
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Merge tag 'linux-kselftest-fixes-5.14-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest
Pull kselftest fix from Shuah Khan:
"A fix to memory-hotplug hot-remove test to stop spamming logs with
dump_page() entries and slowing the system down to a crawl"
* tag 'linux-kselftest-fixes-5.14-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest:
selftests: memory-hotplug: avoid spamming logs with dump_page(), ratio limit hot-remove error test
Test various type data dumping operations by comparing expected
format with the dumped string; an snprintf-style printf function
is used to record the string dumped. Also verify overflow handling
where the data passed does not cover the full size of a type,
such as would occur if a tracer has a portion of the 8k
"struct task_struct".
Signed-off-by: Alan Maguire <alan.maguire@oracle.com>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/1626362126-27775-4-git-send-email-alan.maguire@oracle.com
Add several test cases for checking update_alu_sanitation_state() under
multiple paths:
# ./test_verifier
[...]
#1061/u map access: known scalar += value_ptr unknown vs const OK
#1061/p map access: known scalar += value_ptr unknown vs const OK
#1062/u map access: known scalar += value_ptr const vs unknown OK
#1062/p map access: known scalar += value_ptr const vs unknown OK
#1063/u map access: known scalar += value_ptr const vs const (ne) OK
#1063/p map access: known scalar += value_ptr const vs const (ne) OK
#1064/u map access: known scalar += value_ptr const vs const (eq) OK
#1064/p map access: known scalar += value_ptr const vs const (eq) OK
#1065/u map access: known scalar += value_ptr unknown vs unknown (eq) OK
#1065/p map access: known scalar += value_ptr unknown vs unknown (eq) OK
#1066/u map access: known scalar += value_ptr unknown vs unknown (lt) OK
#1066/p map access: known scalar += value_ptr unknown vs unknown (lt) OK
#1067/u map access: known scalar += value_ptr unknown vs unknown (gt) OK
#1067/p map access: known scalar += value_ptr unknown vs unknown (gt) OK
[...]
Summary: 1762 PASSED, 0 SKIPPED, 0 FAILED
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Alexei Starovoitov <ast@kernel.org>
Alexei Starovoitov says:
====================
pull-request: bpf-next 2021-07-15
The following pull-request contains BPF updates for your *net-next* tree.
We've added 45 non-merge commits during the last 15 day(s) which contain
a total of 52 files changed, 3122 insertions(+), 384 deletions(-).
The main changes are:
1) Introduce bpf timers, from Alexei.
2) Add sockmap support for unix datagram socket, from Cong.
3) Fix potential memleak and UAF in the verifier, from He.
4) Add bpf_get_func_ip helper, from Jiri.
5) Improvements to generic XDP mode, from Kumar.
6) Support for passing xdp_md to XDP programs in bpf_prog_run, from Zvi.
===================
Signed-off-by: David S. Miller <davem@davemloft.net>
