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Free the created fd or allocated bpf_object after test case succeeds,
else there will be resource leaks.
Spotted by using address sanitizer and checking the content of
/proc/$pid/fd directory.
Signed-off-by: Hou Tao <houtao1@huawei.com>
Link: https://lore.kernel.org/r/20220921070035.2016413-3-houtao@huaweicloud.com
Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org>
Destroy the created skeleton when CONFIG_PREEMPT is off, else will be
resource leak.
Fixes: 73b97bc78b32 ("selftests/bpf: Test concurrent updates on bpf_task_storage_busy")
Signed-off-by: Hou Tao <houtao1@huawei.com>
Link: https://lore.kernel.org/r/20220921070035.2016413-2-houtao@huaweicloud.com
Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org>
The following warning appears when executing:
make -C tools/testing/selftests/kvm
rseq_test.c: In function ‘main’:
rseq_test.c:237:33: warning: implicit declaration of function ‘gettid’; did you mean ‘getgid’? [-Wimplicit-function-declaration]
(void *)(unsigned long)gettid());
^~~~~~
getgid
/usr/bin/ld: /tmp/ccr5mMko.o: in function `main':
../kvm/tools/testing/selftests/kvm/rseq_test.c:237: undefined reference to `gettid'
collect2: error: ld returned 1 exit status
make: *** [../lib.mk:173: ../kvm/tools/testing/selftests/kvm/rseq_test] Error 1
Use the more compatible syscall(SYS_gettid) instead of gettid() to fix it.
More subsequent reuse may cause it to be wrapped in a lib file.
Signed-off-by: Jinrong Liang <cloudliang@tencent.com>
Message-Id: <20220802071240.84626-1-cloudliang@tencent.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Added urandom_read shared lib is missing from the list of installed
files what makes urandom_read test after `make install` or `make
gen_tar` broken.
Add the library to TEST_GEN_FILES. The names in the list do not
contain $(OUTPUT) since it's added by lib.mk code.
Fixes: 00a0fa2d7d49 ("selftests/bpf: Add urandom_read shared lib and USDTs")
Signed-off-by: Yauheni Kaliuta <ykaliuta@redhat.com>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/20220920161409.129953-1-ykaliuta@redhat.com
We use a local variable hwcap to refer to the element of the hwcaps array
which we are currently checking. When checking for the relevant hwcap bit
being set in testing we were dereferencing hwcaps rather than hwcap in
fetching the AT_HWCAP to use, which is perfectly valid C but means we were
always checking the bit was set in the hwcap for whichever feature is first
in the array. Remove the stray s.
Signed-off-by: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20220907113400.12982-1-broonie@kernel.org
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
A handful of awaited fixes here - revert of the FEC changes,
bluetooth fix, fixes for iwlwifi spew.
We added a warning in PHY/MDIO code which is triggering on
a couple of platforms in a false-positive-ish way. If we can't
iron that out over the week we'll drop it and re-add for 6.1.
I've added a new "follow up fixes" section for fixes to fixes
in 6.0-rcs but it may actually give the false impression that
those are problematic or that more testing time would have
caught them. So likely a one time thing.
Follow up fixes:
- nf_tables_addchain: fix nft_counters_enabled underflow
- ebtables: fix memory leak when blob is malformed
- nf_ct_ftp: fix deadlock when nat rewrite is needed
Current release - regressions:
- Revert "fec: Restart PPS after link state change"
- Revert "net: fec: Use a spinlock to guard `fep->ptp_clk_on`"
- Bluetooth: fix HCIGETDEVINFO regression
- wifi: mt76: fix 5 GHz connection regression on mt76x0/mt76x2
- mptcp: fix fwd memory accounting on coalesce
- rwlock removal fall out:
- ipmr: always call ip{,6}_mr_forward() from RCU read-side
critical section
- ipv6: fix crash when IPv6 is administratively disabled
- tcp: read multiple skbs in tcp_read_skb()
- mdio_bus_phy_resume state warning fallout:
- eth: ravb: fix PHY state warning splat during system resume
- eth: sh_eth: fix PHY state warning splat during system resume
Current release - new code bugs:
- wifi: iwlwifi: don't spam logs with NSS>2 messages
- eth: mtk_eth_soc: enable XDP support just for MT7986 SoC
Previous releases - regressions:
- bonding: fix NULL deref in bond_rr_gen_slave_id
- wifi: iwlwifi: mark IWLMEI as broken
Previous releases - always broken:
- nf_conntrack helpers:
- irc: tighten matching on DCC message
- sip: fix ct_sip_walk_headers
- osf: fix possible bogus match in nf_osf_find()
- ipvlan: fix out-of-bound bugs caused by unset skb->mac_header
- core: fix flow symmetric hash
- bonding, team: unsync device addresses on ndo_stop
- phy: micrel: fix shared interrupt on LAN8814
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-6.0-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Jakub Kicinski:
"Including fixes from wifi, netfilter and can.
A handful of awaited fixes here - revert of the FEC changes, bluetooth
fix, fixes for iwlwifi spew.
We added a warning in PHY/MDIO code which is triggering on a couple of
platforms in a false-positive-ish way. If we can't iron that out over
the week we'll drop it and re-add for 6.1.
I've added a new "follow up fixes" section for fixes to fixes in
6.0-rcs but it may actually give the false impression that those are
problematic or that more testing time would have caught them. So
likely a one time thing.
Follow up fixes:
- nf_tables_addchain: fix nft_counters_enabled underflow
- ebtables: fix memory leak when blob is malformed
- nf_ct_ftp: fix deadlock when nat rewrite is needed
Current release - regressions:
- Revert "fec: Restart PPS after link state change" and the related
"net: fec: Use a spinlock to guard `fep->ptp_clk_on`"
- Bluetooth: fix HCIGETDEVINFO regression
- wifi: mt76: fix 5 GHz connection regression on mt76x0/mt76x2
- mptcp: fix fwd memory accounting on coalesce
- rwlock removal fall out:
- ipmr: always call ip{,6}_mr_forward() from RCU read-side
critical section
- ipv6: fix crash when IPv6 is administratively disabled
- tcp: read multiple skbs in tcp_read_skb()
- mdio_bus_phy_resume state warning fallout:
- eth: ravb: fix PHY state warning splat during system resume
- eth: sh_eth: fix PHY state warning splat during system resume
Current release - new code bugs:
- wifi: iwlwifi: don't spam logs with NSS>2 messages
- eth: mtk_eth_soc: enable XDP support just for MT7986 SoC
Previous releases - regressions:
- bonding: fix NULL deref in bond_rr_gen_slave_id
- wifi: iwlwifi: mark IWLMEI as broken
Previous releases - always broken:
- nf_conntrack helpers:
- irc: tighten matching on DCC message
- sip: fix ct_sip_walk_headers
- osf: fix possible bogus match in nf_osf_find()
- ipvlan: fix out-of-bound bugs caused by unset skb->mac_header
- core: fix flow symmetric hash
- bonding, team: unsync device addresses on ndo_stop
- phy: micrel: fix shared interrupt on LAN8814"
* tag 'net-6.0-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (83 commits)
selftests: forwarding: add shebang for sch_red.sh
bnxt: prevent skb UAF after handing over to PTP worker
net: marvell: Fix refcounting bugs in prestera_port_sfp_bind()
net: sched: fix possible refcount leak in tc_new_tfilter()
net: sunhme: Fix packet reception for len < RX_COPY_THRESHOLD
udp: Use WARN_ON_ONCE() in udp_read_skb()
selftests: bonding: cause oops in bond_rr_gen_slave_id
bonding: fix NULL deref in bond_rr_gen_slave_id
net: phy: micrel: fix shared interrupt on LAN8814
net/smc: Stop the CLC flow if no link to map buffers on
ice: Fix ice_xdp_xmit() when XDP TX queue number is not sufficient
net: atlantic: fix potential memory leak in aq_ndev_close()
can: gs_usb: gs_usb_set_phys_id(): return with error if identify is not supported
can: gs_usb: gs_can_open(): fix race dev->can.state condition
can: flexcan: flexcan_mailbox_read() fix return value for drop = true
net: sh_eth: Fix PHY state warning splat during system resume
net: ravb: Fix PHY state warning splat during system resume
netfilter: nf_ct_ftp: fix deadlock when nat rewrite is needed
netfilter: ebtables: fix memory leak when blob is malformed
netfilter: nf_tables: fix percpu memory leak at nf_tables_addchain()
...
RHEL/Fedora RPM build checks are stricter, and complain when executable
files don't have a shebang line, e.g.
*** WARNING: ./kselftests/net/forwarding/sch_red.sh is executable but has no shebang, removing executable bit
Fix it by adding shebang line.
Fixes: 6cf0291f9517 ("selftests: forwarding: Add a RED test for SW datapath")
Signed-off-by: Hangbin Liu <liuhangbin@gmail.com>
Reviewed-by: Petr Machata <petrm@nvidia.com>
Link: https://lore.kernel.org/r/20220922024453.437757-1-liuhangbin@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This bonding selftest used to cause a kernel oops on aarch64
and should be architectures agnostic.
Signed-off-by: Jonathan Toppins <jtoppins@redhat.com>
Acked-by: Jay Vosburgh <jay.vosburgh@canonical.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Add -f (--filter) argument which accepts glob-based filters for
narrowing down what BPF object files and programs within them should be
processed by veristat. This filtering applies both to comparison and
main (verification) mode.
Filter can be of two forms:
- file (object) filter: 'strobemeta*'; in this case all the programs
within matching files are implicitly allowed (or denied, depending
if it's positive or negative rule, see below);
- file and prog filter: 'strobemeta*/*unroll*' will further filter
programs within matching files to only allow those program names that
match '*unroll*' glob.
As mentioned, filters can be positive (allowlisting) and negative
(denylisting). Negative filters should start with '!': '!strobemeta*'
will deny any filename which basename starts with "strobemeta".
Further, one extra special syntax is supported to allow more convenient
use in practice. Instead of specifying rule on the command line,
veristat allows to specify file that contains rules, both positive and
negative, one line per one filter. This is achieved with -f @<filepath>
use, where <filepath> points to a text file containing rules (negative
and positive rules can be mixed). For convenience empty lines and lines
starting with '#' are ignored. This feature is useful to have some
pre-canned list of object files and program names that are tested
repeatedly, allowing to check in a list of rules and quickly specify
them on the command line.
As a demonstration (and a short cut for nearest future), create a small
list of "interesting" BPF object files from selftests/bpf and commit it
as veristat.cfg. It currently includes 73 programs, most of which are
the most complex and largest BPF programs in selftests, as judged by
total verified instruction count and verifier states total.
If there is overlap between positive or negative filters, negative
filter takes precedence (denylisting is stronger than allowlisting). If
no allow filter is specified, veristat implicitly assumes '*/*' rule. If
no deny rule is specified, veristat (logically) assumes no negative
filters.
Also note that -f (just like -e and -s) can be specified multiple times
and their effect is cumulative.
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/r/20220921164254.3630690-5-andrii@kernel.org
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Add ability to compare and contrast two veristat runs, previously
recorded with veristat using CSV output format.
When veristat is called with -C (--compare) flag, veristat expects
exactly two input files specified, both should be in CSV format.
Expectation is that it's output from previous veristat runs, but as long
as column names and formats match, it should just work. First CSV file
is designated as a "baseline" provided, and the second one is
comparison (experiment) data set. Establishing baseline matters later
when calculating difference percentages, see below.
Veristat parses these two CSV files and "reconstructs" verifier stats
(it could be just a subset of all possible stats). File and program
names are mandatory as they are used as joining key (these two "stats"
are designated as "key stats" in the code).
Veristat currently enforces that the set of stats recorded in both CSV
has to exactly match, down to exact order. This is just a simplifying
condition which can be lifted with a bit of additional pre-processing to
reorded stat specs internally, which I didn't bother doing, yet.
For all the non-key stats, veristat will output three columns: one for
baseline data, one for comparison data, and one with an absolute and
relative percentage difference. If either baseline or comparison values
are missing (that is, respective CSV file doesn't have a row with
*exactly* matching file and program name), those values are assumed to
be empty or zero. In such case relative percentages are forced to +100%
or -100% output, for consistency with a typical case.
Veristat's -e (--emit) and -s (--sort) specs still apply, so even if CSV
contains lots of stats, user can request to compare only a subset of
them (and specify desired column order as well). Similarly, both CSV and
human-readable table output is honored. Note that input is currently
always expected to be CSV.
Here's an example shell session, recording data for biosnoop tool on two
different kernels and comparing them afterwards, outputting data in table
format.
# on slightly older production kernel
$ sudo ./veristat biosnoop_bpf.o
File Program Verdict Duration (us) Total insns Total states Peak states
-------------- ------------------------ ------- ------------- ----------- ------------ -----------
biosnoop_bpf.o blk_account_io_merge_bio success 37 24 1 1
biosnoop_bpf.o blk_account_io_start failure 0 0 0 0
biosnoop_bpf.o block_rq_complete success 76 104 6 6
biosnoop_bpf.o block_rq_insert success 83 85 7 7
biosnoop_bpf.o block_rq_issue success 79 85 7 7
-------------- ------------------------ ------- ------------- ----------- ------------ -----------
Done. Processed 1 object files, 5 programs.
$ sudo ./veristat ~/local/tmp/fbcode-bpf-objs/biosnoop_bpf.o -o csv > baseline.csv
$ cat baseline.csv
file_name,prog_name,verdict,duration,total_insns,total_states,peak_states
biosnoop_bpf.o,blk_account_io_merge_bio,success,36,24,1,1
biosnoop_bpf.o,blk_account_io_start,failure,0,0,0,0
biosnoop_bpf.o,block_rq_complete,success,82,104,6,6
biosnoop_bpf.o,block_rq_insert,success,78,85,7,7
biosnoop_bpf.o,block_rq_issue,success,74,85,7,7
# on latest bpf-next kernel
$ sudo ./veristat biosnoop_bpf.o
File Program Verdict Duration (us) Total insns Total states Peak states
-------------- ------------------------ ------- ------------- ----------- ------------ -----------
biosnoop_bpf.o blk_account_io_merge_bio success 31 24 1 1
biosnoop_bpf.o blk_account_io_start failure 0 0 0 0
biosnoop_bpf.o block_rq_complete success 76 104 6 6
biosnoop_bpf.o block_rq_insert success 83 91 7 7
biosnoop_bpf.o block_rq_issue success 74 91 7 7
-------------- ------------------------ ------- ------------- ----------- ------------ -----------
Done. Processed 1 object files, 5 programs.
$ sudo ./veristat biosnoop_bpf.o -o csv > comparison.csv
$ cat comparison.csv
file_name,prog_name,verdict,duration,total_insns,total_states,peak_states
biosnoop_bpf.o,blk_account_io_merge_bio,success,71,24,1,1
biosnoop_bpf.o,blk_account_io_start,failure,0,0,0,0
biosnoop_bpf.o,block_rq_complete,success,82,104,6,6
biosnoop_bpf.o,block_rq_insert,success,83,91,7,7
biosnoop_bpf.o,block_rq_issue,success,87,91,7,7
# now let's compare with human-readable output (note that no sudo needed)
# we also ignore verification duration in this case to shortned output
$ ./veristat -C baseline.csv comparison.csv -e file,prog,verdict,insns
File Program Verdict (A) Verdict (B) Verdict (DIFF) Total insns (A) Total insns (B) Total insns (DIFF)
-------------- ------------------------ ----------- ----------- -------------- --------------- --------------- ------------------
biosnoop_bpf.o blk_account_io_merge_bio success success MATCH 24 24 +0 (+0.00%)
biosnoop_bpf.o blk_account_io_start failure failure MATCH 0 0 +0 (+100.00%)
biosnoop_bpf.o block_rq_complete success success MATCH 104 104 +0 (+0.00%)
biosnoop_bpf.o block_rq_insert success success MATCH 91 85 -6 (-6.59%)
biosnoop_bpf.o block_rq_issue success success MATCH 91 85 -6 (-6.59%)
-------------- ------------------------ ----------- ----------- -------------- --------------- --------------- ------------------
While not particularly exciting example (it turned out to be kind of hard to
quickly find a nice example with significant difference just because of kernel
version bump), it should demonstrate main features.
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/r/20220921164254.3630690-4-andrii@kernel.org
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Teach veristat to output results as CSV table for easier programmatic
processing. Change what was --output/-o argument to now be --emit/-e.
And then use --output-format/-o <fmt> to specify output format.
Currently "table" and "csv" is supported, table being default.
For CSV output mode veristat is using spec identifiers as column names.
E.g., instead of "Total states" veristat uses "total_states" as a CSV
header name.
Internally veristat recognizes three formats, one of them
(RESFMT_TABLE_CALCLEN) is a special format instructing veristat to
calculate column widths for table output. This felt a bit cleaner and
more uniform than either creating separate functions just for this.
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/r/20220921164254.3630690-3-andrii@kernel.org
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
bpf_object__close(obj) is called twice for BPF object files with single
BPF program in it. This causes crash. Fix this by not calling
bpf_object__close() unnecessarily.
Fixes: c8bc5e050976 ("selftests/bpf: Add veristat tool for mass-verifying BPF object files")
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/r/20220921164254.3630690-2-andrii@kernel.org
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Add tests to ensure that only supported dynamic pointer types are accepted,
that the passed argument is actually a dynamic pointer, that the passed
argument is a pointer to the stack, and that bpf_verify_pkcs7_signature()
correctly handles dynamic pointers with data set to NULL.
The tests are currently in the deny list for s390x (JIT does not support
calling kernel function).
Signed-off-by: Roberto Sassu <roberto.sassu@huawei.com>
Acked-by: Kumar Kartikeya Dwivedi <memxor@gmail.com>
Link: https://lore.kernel.org/r/20220920075951.929132-14-roberto.sassu@huaweicloud.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Perform several tests to ensure the correct implementation of the
bpf_verify_pkcs7_signature() kfunc.
Do the tests with data signed with a generated testing key (by using
sign-file from scripts/) and with the tcp_bic.ko kernel module if it is
found in the system. The test does not fail if tcp_bic.ko is not found.
First, perform an unsuccessful signature verification without data.
Second, perform a successful signature verification with the session
keyring and a new one created for testing.
Then, ensure that permission and validation checks are done properly on the
keyring provided to bpf_verify_pkcs7_signature(), despite those checks were
deferred at the time the keyring was retrieved with bpf_lookup_user_key().
The tests expect to encounter an error if the Search permission is removed
from the keyring, or the keyring is expired.
Finally, perform a successful and unsuccessful signature verification with
the keyrings with pre-determined IDs (the last test fails because the key
is not in the platform keyring).
The test is currently in the deny list for s390x (JIT does not support
calling kernel function).
Signed-off-by: Roberto Sassu <roberto.sassu@huawei.com>
Link: https://lore.kernel.org/r/20220920075951.929132-13-roberto.sassu@huaweicloud.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Add a test to ensure that bpf_lookup_user_key() creates a referenced
special keyring when the KEY_LOOKUP_CREATE flag is passed to this function.
Ensure that the kfunc rejects invalid flags.
Ensure that a keyring can be obtained from bpf_lookup_system_key() when one
of the pre-determined keyring IDs is provided.
The test is currently blacklisted for s390x (JIT does not support calling
kernel function).
Signed-off-by: Roberto Sassu <roberto.sassu@huawei.com>
Link: https://lore.kernel.org/r/20220920075951.929132-12-roberto.sassu@huaweicloud.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Add verifier tests for bpf_lookup_*_key() and bpf_key_put(), to ensure that
acquired key references stored in the bpf_key structure are released, that
a non-NULL bpf_key pointer is passed to bpf_key_put(), and that key
references are not leaked.
Also, slightly modify test_verifier.c, to find the BTF ID of the attach
point for the LSM program type (currently, it is done only for TRACING).
Signed-off-by: Roberto Sassu <roberto.sassu@huawei.com>
Acked-by: Kumar Kartikeya Dwivedi <memxor@gmail.com>
Link: https://lore.kernel.org/r/20220920075951.929132-11-roberto.sassu@huaweicloud.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Since the eBPF CI does not support kernel modules, change the kernel config
to compile everything as built-in.
Signed-off-by: Roberto Sassu <roberto.sassu@huawei.com>
Acked-by: Daniel Müller <deso@posteo.net>
Acked-by: Kumar Kartikeya Dwivedi <memxor@gmail.com>
Link: https://lore.kernel.org/r/20220920075951.929132-10-roberto.sassu@huaweicloud.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Move dynptr type check to is_dynptr_type_expected() from
is_dynptr_reg_valid_init(), so that callers can better determine the cause
of a negative result (dynamic pointer not valid/initialized, dynamic
pointer of the wrong type). It will be useful for example for BTF, to
restrict which dynamic pointer types can be passed to kfuncs, as initially
only the local type will be supported.
Also, splitting makes the code more readable, since checking the dynamic
pointer type is not necessarily related to validity and initialization.
Split the validity/initialization and dynamic pointer type check also in
the verifier, and adjust the expected error message in the test (a test for
an unexpected dynptr type passed to a helper cannot be added due to missing
suitable helpers, but this case has been tested manually).
Cc: Joanne Koong <joannelkoong@gmail.com>
Cc: Kumar Kartikeya Dwivedi <memxor@gmail.com>
Signed-off-by: Roberto Sassu <roberto.sassu@huawei.com>
Acked-by: Kumar Kartikeya Dwivedi <memxor@gmail.com>
Link: https://lore.kernel.org/r/20220920075951.929132-4-roberto.sassu@huaweicloud.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
It's possible to specify particular tests for test_bpf.ko with
module parameters. Make it possible to pass the module parameters,
example:
test_kmod.sh test_range=1,3
Since magnitude tests take long time it can be reasonable to skip
them.
Signed-off-by: Yauheni Kaliuta <ykaliuta@redhat.com>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/20220908120146.381218-1-ykaliuta@redhat.com
This change includes selftests that validate the expected behavior and
APIs of the new BPF_MAP_TYPE_USER_RINGBUF map type.
Signed-off-by: David Vernet <void@manifault.com>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/20220920000100.477320-5-void@manifault.com
The attach flags is meaningless for effective query and
its value will always be set as 0 during effective query.
Root cg's effective progs is always its attached progs,
so we use non-effective query to get its progs count and
attach flags. And we don't need the remain attach flags
check.
Fixes: b79c9fc9551b ("bpf: implement BPF_PROG_QUERY for BPF_LSM_CGROUP")
Signed-off-by: Pu Lehui <pulehui@huawei.com>
Link: https://lore.kernel.org/r/20220921104604.2340580-4-pulehui@huaweicloud.com
Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org>
Extend the ptrace test support for NT_ARM_TLS to cover TPIDR2_EL0 - on
systems that support SME the NT_ARM_TLS regset can be up to 2 elements
long with the second element containing TPIDR2_EL0. On systems
supporting SME we verify that this value can be read and written while
on systems that do not support SME we verify correct truncation of reads
and writes.
Signed-off-by: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20220829154921.837871-5-broonie@kernel.org
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
In preparation for extending support for NT_ARM_TLS to cover additional
TPIDRs add some tests for the existing interface. Do this in a generic
ptrace test program to provide a place to collect additional tests in
the future.
Signed-off-by: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20220829154921.837871-2-broonie@kernel.org
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Test 0811: Add multiple basic filter with cmp ematch u8/link layer and
default action and dump them
Test 5129: List basic filters
Signed-off-by: Zhengchao Shao <shaozhengchao@huawei.com>
Reviewed-by: Jamal Hadi Salim <jhs@mojatatu.com>
Reviewed-by: Victor Nogueira <victor@mojatatu.com>
Tested-by: Victor Nogueira <victor@mojatatu.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Test 8293: Add tcindex filter with default action
Test 7281: Add tcindex filter with hash size and pass action
Test b294: Add tcindex filter with mask shift and reclassify action
Test 0532: Add tcindex filter with pass_on and continue actions
Test d473: Add tcindex filter with pipe action
Test 2940: Add tcindex filter with miltiple actions
Test 1893: List tcindex filters
Test 2041: Change tcindex filter with pass action
Test 9203: Replace tcindex filter with pass action
Test 7957: Delete tcindex filter with drop action
Signed-off-by: Zhengchao Shao <shaozhengchao@huawei.com>
Reviewed-by: Jamal Hadi Salim <jhs@mojatatu.com>
Reviewed-by: Victor Nogueira <victor@mojatatu.com>
Tested-by: Victor Nogueira <victor@mojatatu.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Test 2141: Add rsvp filter with tcp proto and specific IP address
Test 5267: Add rsvp filter with udp proto and specific IP address
Test 2819: Add rsvp filter with src ip and src port
Test c967: Add rsvp filter with tunnelid and continue action
Test 5463: Add rsvp filter with tunnel and pipe action
Test 2332: Add rsvp filter with miltiple actions
Test 8879: Add rsvp filter with tunnel and skp flag
Test 8261: List rsvp filters
Test 8989: Delete rsvp filter
Signed-off-by: Zhengchao Shao <shaozhengchao@huawei.com>
Reviewed-by: Jamal Hadi Salim <jhs@mojatatu.com>
Reviewed-by: Victor Nogueira <victor@mojatatu.com>
Tested-by: Victor Nogueira <victor@mojatatu.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Test e122: Add route filter with from and to tag
Test 6573: Add route filter with fromif and to tag
Test 1362: Add route filter with to flag and reclassify action
Test 4720: Add route filter with from flag and continue actions
Test 2812: Add route filter with form tag and pipe action
Test 7994: Add route filter with miltiple actions
Test 4312: List route filters
Test 2634: Delete route filter with pipe action
Signed-off-by: Zhengchao Shao <shaozhengchao@huawei.com>
Reviewed-by: Jamal Hadi Salim <jhs@mojatatu.com>
Reviewed-by: Victor Nogueira <victor@mojatatu.com>
Tested-by: Victor Nogueira <victor@mojatatu.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Test 5294: Add flow filter with map key and ops
Test 3514: Add flow filter with map key or ops
Test 7534: Add flow filter with map key xor ops
Test 4524: Add flow filter with map key rshift ops
Test 0230: Add flow filter with map key addend ops
Test 2344: Add flow filter with src map key
Test 9304: Add flow filter with proto map key
Test 9038: Add flow filter with proto-src map key
Test 2a03: Add flow filter with proto-dst map key
Test a073: Add flow filter with iif map key
Test 3b20: Add flow filter with priority map key
Test 8945: Add flow filter with mark map key
Test c034: Add flow filter with nfct map key
Test 0205: Add flow filter with nfct-src map key
Test 5315: Add flow filter with nfct-src map key
Test 7849: Add flow filter with nfct-proto-src map key
Test 9902: Add flow filter with nfct-proto-dst map key
Test 6742: Add flow filter with rt-classid map key
Test 5432: Add flow filter with sk-uid map key
Test 4134: Add flow filter with sk-gid map key
Test 4522: Add flow filter with vlan-tag map key
Test 4253: Add flow filter with rxhash map key
Test 4452: Add flow filter with hash key list
Test 4341: Add flow filter with muliple ops
Test 4392: List flow filters
Test 4322: Change flow filter with map key num
Test 2320: Replace flow filter with map key num
Test 3213: Delete flow filter with map key num
Signed-off-by: Zhengchao Shao <shaozhengchao@huawei.com>
Reviewed-by: Jamal Hadi Salim <jhs@mojatatu.com>
Reviewed-by: Victor Nogueira <victor@mojatatu.com>
Tested-by: Victor Nogueira <victor@mojatatu.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Test 6273: Add cgroup filter with cmp ematch u8/link layer and drop action
Test 4721: Add cgroup filter with cmp ematch u8/link layer with trans
flag and pass action
Test d392: Add cgroup filter with cmp ematch u16/link layer and pipe action
Test 0234: Add cgroup filter with cmp ematch u32/link layer and miltiple
actions
Test 8499: Add cgroup filter with cmp ematch u8/network layer and pass
action
Test b273: Add cgroup filter with cmp ematch u8/network layer with trans
flag and drop action
Test 1934: Add cgroup filter with cmp ematch u16/network layer and pipe
action
Test 2733: Add cgroup filter with cmp ematch u32/network layer and
miltiple actions
Test 3271: Add cgroup filter with NOT cmp ematch rule and pass action
Test 2362: Add cgroup filter with two ANDed cmp ematch rules and single
action
Test 9993: Add cgroup filter with two ORed cmp ematch rules and single
action
Test 2331: Add cgroup filter with two ANDed cmp ematch rules and one ORed
ematch rule and single action
Test 3645: Add cgroup filter with two ANDed cmp ematch rules and one NOT
ORed ematch rule and single action
Test b124: Add cgroup filter with u32 ematch u8/zero offset and drop
action
Test 7381: Add cgroup filter with u32 ematch u8/zero offset and invalid
value >0xFF
Test 2231: Add cgroup filter with u32 ematch u8/positive offset and drop
action
Test 1882: Add cgroup filter with u32 ematch u8/invalid mask >0xFF
Test 1237: Add cgroup filter with u32 ematch u8/missing offset
Test 3812: Add cgroup filter with u32 ematch u8/missing AT keyword
Test 1112: Add cgroup filter with u32 ematch u8/missing value
Test 3241: Add cgroup filter with u32 ematch u8/non-numeric value
Test e231: Add cgroup filter with u32 ematch u8/non-numeric mask
Test 4652: Add cgroup filter with u32 ematch u8/negative offset and pass
Test 1331: Add cgroup filter with u32 ematch u16/zero offset and pipe
action
Test e354: Add cgroup filter with u32 ematch u16/zero offset and invalid
value >0xFFFF
Test 3538: Add cgroup filter with u32 ematch u16/positive offset and drop
action
Test 4576: Add cgroup filter with u32 ematch u16/invalid mask >0xFFFF
Test b842: Add cgroup filter with u32 ematch u16/missing offset
Test c924: Add cgroup filter with u32 ematch u16/missing AT keyword
Test cc93: Add cgroup filter with u32 ematch u16/missing value
Test 123c: Add cgroup filter with u32 ematch u16/non-numeric value
Test 3675: Add cgroup filter with u32 ematch u16/non-numeric mask
Test 1123: Add cgroup filter with u32 ematch u16/negative offset and drop
action
Test 4234: Add cgroup filter with u32 ematch u16/nexthdr+ offset and pass
action
Test e912: Add cgroup filter with u32 ematch u32/zero offset and pipe
action
Test 1435: Add cgroup filter with u32 ematch u32/positive offset and drop
action
Test 1282: Add cgroup filter with u32 ematch u32/missing offset
Test 6456: Add cgroup filter with u32 ematch u32/missing AT keyword
Test 4231: Add cgroup filter with u32 ematch u32/missing value
Test 2131: Add cgroup filter with u32 ematch u32/non-numeric value
Test f125: Add cgroup filter with u32 ematch u32/non-numeric mask
Test 4316: Add cgroup filter with u32 ematch u32/negative offset and drop
action
Test 23ae: Add cgroup filter with u32 ematch u32/nexthdr+ offset and pipe
action
Test 23a1: Add cgroup filter with canid ematch and single SFF
Test 324f: Add cgroup filter with canid ematch and single SFF with mask
Test 2576: Add cgroup filter with canid ematch and multiple SFF
Test 4839: Add cgroup filter with canid ematch and multiple SFF with masks
Test 6713: Add cgroup filter with canid ematch and single EFF
Test ab9d: Add cgroup filter with canid ematch and multiple EFF with masks
Test 5349: Add cgroup filter with canid ematch and a combination of
SFF/EFF
Test c934: Add cgroup filter with canid ematch and a combination of
SFF/EFF with masks
Test 4319: Replace cgroup filter with diffferent match
Test 4636: Delete cgroup filter
Signed-off-by: Zhengchao Shao <shaozhengchao@huawei.com>
Reviewed-by: Jamal Hadi Salim <jhs@mojatatu.com>
Reviewed-by: Victor Nogueira <victor@mojatatu.com>
Tested-by: Victor Nogueira <victor@mojatatu.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Test 23c3: Add cBPF filter with valid bytecode
Test 1563: Add cBPF filter with invalid bytecode
Test 2334: Add eBPF filter with valid object-file
Test 2373: Add eBPF filter with invalid object-file
Test 4423: Replace cBPF bytecode
Test 5122: Delete cBPF filter
Test e0a9: List cBPF filters
Signed-off-by: Zhengchao Shao <shaozhengchao@huawei.com>
Reviewed-by: Jamal Hadi Salim <jhs@mojatatu.com>
Reviewed-by: Victor Nogueira <victor@mojatatu.com>
Tested-by: Victor Nogueira <victor@mojatatu.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Since 1b620d539ccc ("kbuild: disable header exports for UML in a
straightforward way"), installing headers fails on UML, so just disable
installing them, since they're not needed anyway on the architecture.
Fixes: b438b3b8d6e6 ("wireguard: selftests: support UML")
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This is a regression test for commit 592335a4164c ("bonding: accept
unsolicited NA message") and commit b7f14132bf58 ("bonding: use unspecified
address if no available link local address"). When the bond interface
up and no available link local address, unspecified address(::) is used to
send the NS message. The unsolicited NA message should also be accepted
for validation.
Signed-off-by: Hangbin Liu <liuhangbin@gmail.com>
Acked-by: Jonathan Toppins <jtoppins@redhat.com>
Link: https://lore.kernel.org/r/20220920033047.173244-1-liuhangbin@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
- Remove the recent "unshare time namespace on vfork+exec" feature (Andrei Vagin)
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Merge tag 'execve-v6.0-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux
Pull execve reverts from Kees Cook:
"The recent work to support time namespace unsharing turns out to have
some undesirable corner cases, so rather than allowing the API to stay
exposed for another release, it'd be best to remove it ASAP, with the
replacement getting another cycle of testing. Nothing is known to use
this yet, so no userspace breakage is expected.
For more details, see:
https://lore.kernel.org/lkml/ed418e43ad28b8688cfea2b7c90fce1c@ispras.ru
Summary:
- Remove the recent 'unshare time namespace on vfork+exec' feature
(Andrei Vagin)"
* tag 'execve-v6.0-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux:
Revert "fs/exec: allow to unshare a time namespace on vfork+exec"
Revert "selftests/timens: add a test for vfork+exit"
Add IPv4 and IPv6 test cases for unresolved multicast routes, testing
that queued packets are forwarded after installing a matching (S, G)
route.
The test cases can be used to reproduce the bugs fixed in "ipmr: Always
call ip{,6}_mr_forward() from RCU read-side critical section".
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This selftest is designed for testing the support of NEXT-C-SID flavor
for SRv6 End behavior. It instantiates a virtual network composed of
several nodes: hosts and SRv6 routers. Each node is realized using a
network namespace that is properly interconnected to others through veth
pairs.
The test considers SRv6 routers implementing IPv4/IPv6 L3 VPNs leveraged
by hosts for communicating with each other. Such routers i) apply
different SRv6 Policies to the traffic received from connected hosts,
considering the IPv4 or IPv6 protocols; ii) use the NEXT-C-SID
compression mechanism for encoding several SRv6 segments within a single
128-bit SID address, referred to as a Compressed SID (C-SID) container.
The NEXT-C-SID is provided as a "flavor" of the SRv6 End behavior,
enabling it to properly process the C-SID containers. The correct
execution of the enabled NEXT-C-SID SRv6 End behavior is verified
through reachability tests carried out between hosts belonging to the
same VPN.
Signed-off-by: Andrea Mayer <andrea.mayer@uniroma2.it>
Acked-by: David Ahern <dsahern@kernel.org>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
The previous patch added a test which can be used instead of qos_burst.sh.
Remove this test.
Signed-off-by: Amit Cohen <amcohen@nvidia.com>
Reviewed-by: Petr Machata <petrm@nvidia.com>
Signed-off-by: Petr Machata <petrm@nvidia.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Add an equivalent test to qos_burst, the test's purpose is same, but the
new test uses simpler topology and does not require forcing low speed.
In addition, it can be run Spectrum-2 and not only Spectrum-3+. The idea
is to use a shaper in order to limit the traffic and create congestion.
qos_burst test uses small pool, sends many small packets, and verify that
packets are not dropped, which means that many descriptors can be handled.
This test should check the change that commit c864769add96
("mlxsw: Configure descriptor buffers") pushed.
Instead, the new test tries to use more than 85% of maximum supported
descriptors. The idea is to use big pool (as much as the ASIC supports),
such that the pool size does not limit the traffic, then send many small
packets, which means that many descriptors are used, and check how many
packets the switch can handle.
The usage of shaper allows to run the test in all ASICs, regardless of
the CPU abilities, as it is able to create the congestion with low rate
of packets.
Signed-off-by: Amit Cohen <amcohen@nvidia.com>
Reviewed-by: Petr Machata <petrm@nvidia.com>
Signed-off-by: Petr Machata <petrm@nvidia.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The maximum pool size is exposed via 'devlink sb' command. The next
patch will add a test which increases some pools to the maximum size.
Add a function to query the value.
Signed-off-by: Amit Cohen <amcohen@nvidia.com>
Reviewed-by: Petr Machata <petrm@nvidia.com>
Signed-off-by: Petr Machata <petrm@nvidia.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
QOS tests create congestion and verify the switch behavior. To create
congestion, they need to have more traffic than the port can handle, so
some of them force 1Gbps speed.
The tests assume that 1Gbps speed is supported, otherwise, they will fail.
Spectrum-4 ASIC will not support this speed in all ports, so to be able
to run the tests there, some adjustments are required. Use shapers to limit
the traffic instead of forcing speed. Note that for several ports, the
speed configuration is just for autoneg issues, so shaper is not needed
instead.
The tests already use ETS qdisc as a root and RED qdiscs as children. Add
a new TBF shaper to limit the rate of traffic, and use it as a root qdisc,
then save the previous hierarchy of qdiscs under the new TBF root.
In some ASICs, the shapers do not limit the traffic as accurately as
forcing speed. To make the tests stable, allow the backlog size to be up to
+-10% of the threshold. The aim of the tests is to make sure that with
backlog << threshold, there are no drops, and that packets are dropped
somewhere in vicinity of the configured threshold.
Signed-off-by: Amit Cohen <amcohen@nvidia.com>
Reviewed-by: Petr Machata <petrm@nvidia.com>
Signed-off-by: Petr Machata <petrm@nvidia.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
QOS tests create congestion and verify the switch behavior. To create
congestion, they need to have more traffic than the port can handle, so
some of them force 1Gbps speed.
The tests assume that 1Gbps speed is supported, otherwise, they will fail.
Spectrum-4 ASIC will not support this speed in all ports, so to be able
to run QOS tests there, some adjustments are required. Use shapers to
limit the traffic instead of forcing speed. Note that for several ports,
the speed configuration is just for autoneg issues, so shaper is not needed
instead.
In tests that already use shapers, set the existing shaper to be a child of
a new TBF shaper which is added as a root qdisc and acts as a port shaper.
Signed-off-by: Amit Cohen <amcohen@nvidia.com>
Reviewed-by: Petr Machata <petrm@nvidia.com>
Signed-off-by: Petr Machata <petrm@nvidia.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Add test result message when test_task_storage_map_stress_lookup()
succeeds or is skipped. The test case can be skipped due to the choose
of preemption model in kernel config, so export skips in test_maps.c and
increase it when needed.
The following is the output of test_maps when the test case succeeds or
is skipped:
test_task_storage_map_stress_lookup:PASS
test_maps: OK, 0 SKIPPED
test_task_storage_map_stress_lookup SKIP (no CONFIG_PREEMPT)
test_maps: OK, 1 SKIPPED
Fixes: 73b97bc78b32 ("selftests/bpf: Test concurrent updates on bpf_task_storage_busy")
Signed-off-by: Hou Tao <houtao1@huawei.com>
Link: https://lore.kernel.org/r/20220919035714.2195144-1-houtao@huaweicloud.com
Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org>
* kvm-arm64/single-step-async-exception:
: .
: Single-step fixes from Reiji Watanabe:
:
: "This series fixes two bugs of single-step execution enabled by
: userspace, and add a test case for KVM_GUESTDBG_SINGLESTEP to
: the debug-exception test to verify the single-step behavior."
: .
KVM: arm64: selftests: Add a test case for KVM_GUESTDBG_SINGLESTEP
KVM: arm64: selftests: Refactor debug-exceptions to make it amenable to new test cases
KVM: arm64: Clear PSTATE.SS when the Software Step state was Active-pending
KVM: arm64: Preserve PSTATE.SS for the guest while single-step is enabled
Signed-off-by: Marc Zyngier <maz@kernel.org>
Add a test case for KVM_GUESTDBG_SINGLESTEP to the debug-exceptions test.
The test enables single-step execution from userspace, and check if the
exit to userspace occurs for each instruction that is stepped.
Set the default number of the test iterations to a number of iterations
sufficient to always reproduce the problem that the previous patch fixes
on an Ampere Altra machine.
Signed-off-by: Reiji Watanabe <reijiw@google.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20220917010600.532642-5-reijiw@google.com
Split up the current test into a helper, but leave the debug version
checking in main(), to make it convenient to add a new debug exception
test case in a subsequent patch.
Signed-off-by: Reiji Watanabe <reijiw@google.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20220917010600.532642-4-reijiw@google.com
Use proper SEC("tc") for test_verif_scale{1,3} programs. It's not
a problem for selftests right now because we manually set type
programmatically, but not having correct SEC() definitions makes it
harded to generically load BPF object files.
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Link: https://lore.kernel.org/bpf/20220909193053.577111-2-andrii@kernel.org
Test that the bonding and team drivers clean up an underlying device's
address lists (dev->uc, dev->mc) when the aggregated device is deleted.
Test addition and removal of the LACPDU multicast address on underlying
devices by the bonding driver.
v2:
* add lag_lib.sh to TEST_FILES
v3:
* extend bond_listen_lacpdu_multicast test to init_state up and down cases
* remove some superfluous shell syntax and 'set dev ... up' commands
Signed-off-by: Benjamin Poirier <bpoirier@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
