The test works by sending packets through a tunnel, whence they are
forwarded to a LAG. One of the LAG children is removed from the LAG prior
to the exercise, and the test then counts how many packets pass through the
other one. The issue with this is that it counts all packets, not just the
encapsulated ones.
So instead add a second gretap endpoint to receive the sent packets, and
check reception counters there.
Signed-off-by: Petr Machata <petrm@nvidia.com>
Reviewed-by: Danielle Ratson <danieller@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The argument $dir has a fallback value of "ingress". Move the fallback from
the usage site to the argument definition block to make the fact clearer.
Signed-off-by: Petr Machata <petrm@nvidia.com>
Reviewed-by: Danielle Ratson <danieller@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The argument is not used by these functions except to propagate it for
ultimately no purpose.
Signed-off-by: Petr Machata <petrm@nvidia.com>
Reviewed-by: Danielle Ratson <danieller@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
In some functions, argument-forwarding through "$@" without listing the
individual arguments explicitly is fundamental to the operation of a
function. E.g. xfail_on_veth() should be able to run various tests in the
fail-to-xfail regime, and usage of "$@" is appropriate as an abstraction
mechanism. For functions such as simple_if_init(), $@ is a handy way to
pass an array.
In other functions, it's merely a mechanism to save some typing, which
however ends up obscuring the real arguments and makes life hard for those
that end up reading the code.
This patch adds some of the implicit function arguments and correspondingly
expands $@'s. In several cases this will come in handy as following patches
adjust the parameter lists.
Signed-off-by: Petr Machata <petrm@nvidia.com>
Reviewed-by: Danielle Ratson <danieller@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The pmtu testing will require that the OVS module is installed,
so do that.
Reviewed-by: Simon Horman <horms@kernel.org>
Tested-by: Simon Horman <horms@kernel.org>
Signed-off-by: Aaron Conole <aconole@redhat.com>
Link: https://patch.msgid.link/20240625172245.233874-8-aconole@redhat.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The current pmtu test infrastucture requires an installed copy of the
ovs-vswitchd userspace. This means that any automated or constrained
environments may not have the requisite tools to run the tests. However,
the pmtu tests don't require any special classifier processing. Indeed
they are only using the vswitchd in the most basic mode - as a NORMAL
switch.
However, the ovs-dpctl kernel utility can now program all the needed basic
flows to allow traffic to traverse the tunnels and provide support for at
least testing some basic pmtu scenarios. More complicated flow pipelines
can be added to the internal ovs test infrastructure, but that is work for
the future. For now, enable the most common cases - wide mega flows with
no other prerequisites.
Enhance the pmtu testing to try testing using the internal utility, first.
As a fallback, if the internal utility isn't running, then try with the
ovs-vswitchd userspace tools.
Additionally, make sure that when the pyroute2 package is not available
the ovs-dpctl utility will error out to properly signal an error has
occurred and skip using the internal utility.
Reviewed-by: Stefano Brivio <sbrivio@redhat.com>
Signed-off-by: Aaron Conole <aconole@redhat.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Tested-by: Simon Horman <horms@kernel.org>
Link: https://patch.msgid.link/20240625172245.233874-7-aconole@redhat.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The current iteration of IPv6 support requires explicit fields to be set
in addition to not properly support the actual IPv6 addresses properly.
With this change, make it so that the ipv6() bare option is usable to
create wildcarded flows to match broad swaths of ipv6 traffic.
Reviewed-by: Simon Horman <horms@kernel.org>
Tested-by: Simon Horman <horms@kernel.org>
Signed-off-by: Aaron Conole <aconole@redhat.com>
Link: https://patch.msgid.link/20240625172245.233874-6-aconole@redhat.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This will be used when setting details about the tunnel to use as
transport. There is a difference between the ODP format between tunnel():
the 'key' flag is not actually a flag field, so we don't support it in the
same way that the vswitchd userspace supports displaying it.
Signed-off-by: Aaron Conole <aconole@redhat.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Tested-by: Simon Horman <horms@kernel.org>
Link: https://patch.msgid.link/20240625172245.233874-5-aconole@redhat.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
These will be used in upcoming commits to set specific attributes for
interacting with tunnels. Since set() will use the key parsing routine, we
also make sure to prepend it with an open paren, for the action parsing to
properly understand it.
Reviewed-by: Simon Horman <horms@kernel.org>
Tested-by: Simon Horman <horms@kernel.org>
Signed-off-by: Aaron Conole <aconole@redhat.com>
Link: https://patch.msgid.link/20240625172245.233874-4-aconole@redhat.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Until recently, the ovs-dpctl utility was used with a limited actions set
and didn't need to have support for multiple similar actions. However,
when adding support for tunnels, it will be important to support multiple
set() actions in a single flow. When printing these actions, the existing
code will be unable to print all of the sets - it will only print the
first.
Refactor this code to be easier to read and support multiple actions of the
same type in an action list.
Reviewed-by: Simon Horman <horms@kernel.org>
Tested-by: Simon Horman <horms@kernel.org>
Signed-off-by: Aaron Conole <aconole@redhat.com>
Link: https://patch.msgid.link/20240625172245.233874-3-aconole@redhat.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The OVS module can operate in conjunction with various types of
tunnel ports. These are created as either explicit tunnel vport
types, OR by creating a tunnel interface which acts as an anchor
for the lightweight tunnel support.
This patch adds the ability to add tunnel ports to an OVS
datapath for testing various scenarios with tunnel ports. With
this addition, the vswitch "plumbing" will at least be able to
push packets around using the tunnel vports. Future patches
will add support for setting required tunnel metadata for lwts
in the datapath. The end goal will be to push packets via these
tunnels, and will be used in an upcoming commit for testing the
path MTU.
Reviewed-by: Simon Horman <horms@kernel.org>
Tested-by: Simon Horman <horms@kernel.org>
Signed-off-by: Aaron Conole <aconole@redhat.com>
Link: https://patch.msgid.link/20240625172245.233874-2-aconole@redhat.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Cross-merge networking fixes after downstream PR.
No conflicts.
Adjacent changes:
e3f02f32a0 ("ionic: fix kernel panic due to multi-buffer handling")
d9c0420999 ("ionic: Mark error paths in the data path as unlikely")
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Current release - regressions:
- core: add softirq safety to netdev_rename_lock
- tcp: fix tcp_rcv_fastopen_synack() to enter TCP_CA_Loss for failed TFO
- batman-adv: fix RCU race at module unload time
Current release - new code bugs:
Previous releases - regressions:
- openvswitch: get related ct labels from its master if it is not confirmed
- eth: bonding: fix incorrect software timestamping report
- eth: mlxsw: fix memory corruptions on spectrum-4 systems
- eth: ionic: use dev_consume_skb_any outside of napi
Previous releases - always broken:
- netfilter: fully validate NFT_DATA_VALUE on store to data registers
- unix: several fixes for OoB data
- tcp: fix race for duplicate reqsk on identical SYN
- bpf:
- fix may_goto with negative offset.
- fix the corner case with may_goto and jump to the 1st insn.
- fix overrunning reservations in ringbuf
- can:
- j1939: recover socket queue on CAN bus error during BAM transmission
- mcp251xfd: fix infinite loop when xmit fails
- dsa: microchip: monitor potential faults in half-duplex mode
- eth: vxlan: pull inner IP header in vxlan_xmit_one()
- eth: ionic: fix kernel panic due to multi-buffer handling
Misc:
- selftest: unix tests refactor and a lot of new cases added
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Merge tag 'net-6.10-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Paolo Abeni:
"Including fixes from can, bpf and netfilter.
There are a bunch of regressions addressed here, but hopefully nothing
spectacular. We are still waiting the driver fix from Intel, mentioned
by Jakub in the previous networking pull.
Current release - regressions:
- core: add softirq safety to netdev_rename_lock
- tcp: fix tcp_rcv_fastopen_synack() to enter TCP_CA_Loss for failed
TFO
- batman-adv: fix RCU race at module unload time
Previous releases - regressions:
- openvswitch: get related ct labels from its master if it is not
confirmed
- eth: bonding: fix incorrect software timestamping report
- eth: mlxsw: fix memory corruptions on spectrum-4 systems
- eth: ionic: use dev_consume_skb_any outside of napi
Previous releases - always broken:
- netfilter: fully validate NFT_DATA_VALUE on store to data registers
- unix: several fixes for OoB data
- tcp: fix race for duplicate reqsk on identical SYN
- bpf:
- fix may_goto with negative offset
- fix the corner case with may_goto and jump to the 1st insn
- fix overrunning reservations in ringbuf
- can:
- j1939: recover socket queue on CAN bus error during BAM
transmission
- mcp251xfd: fix infinite loop when xmit fails
- dsa: microchip: monitor potential faults in half-duplex mode
- eth: vxlan: pull inner IP header in vxlan_xmit_one()
- eth: ionic: fix kernel panic due to multi-buffer handling
Misc:
- selftest: unix tests refactor and a lot of new cases added"
* tag 'net-6.10-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (61 commits)
net: mana: Fix possible double free in error handling path
selftest: af_unix: Check SIOCATMARK after every send()/recv() in msg_oob.c.
af_unix: Fix wrong ioctl(SIOCATMARK) when consumed OOB skb is at the head.
selftest: af_unix: Check EPOLLPRI after every send()/recv() in msg_oob.c
selftest: af_unix: Check SIGURG after every send() in msg_oob.c
selftest: af_unix: Add SO_OOBINLINE test cases in msg_oob.c
af_unix: Don't stop recv() at consumed ex-OOB skb.
selftest: af_unix: Add non-TCP-compliant test cases in msg_oob.c.
af_unix: Don't stop recv(MSG_DONTWAIT) if consumed OOB skb is at the head.
af_unix: Stop recv(MSG_PEEK) at consumed OOB skb.
selftest: af_unix: Add msg_oob.c.
selftest: af_unix: Remove test_unix_oob.c.
tracing/net_sched: NULL pointer dereference in perf_trace_qdisc_reset()
netfilter: nf_tables: fully validate NFT_DATA_VALUE on store to data registers
net: usb: qmi_wwan: add Telit FN912 compositions
tcp: fix tcp_rcv_fastopen_synack() to enter TCP_CA_Loss for failed TFO
ionic: use dev_consume_skb_any outside of napi
net: dsa: microchip: fix wrong register write when masking interrupt
Fix race for duplicate reqsk on identical SYN
ibmvnic: Add tx check to prevent skb leak
...
To catch regression, let's check ioctl(SIOCATMARK) after every
send() and recv() calls.
Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Even if OOB data is recv()ed, ioctl(SIOCATMARK) must return 1 when the
OOB skb is at the head of the receive queue and no new OOB data is queued.
Without fix:
# RUN msg_oob.no_peek.oob ...
# msg_oob.c:305:oob:Expected answ[0] (0) == oob_head (1)
# oob: Test terminated by assertion
# FAIL msg_oob.no_peek.oob
not ok 2 msg_oob.no_peek.oob
With fix:
# RUN msg_oob.no_peek.oob ...
# OK msg_oob.no_peek.oob
ok 2 msg_oob.no_peek.oob
Fixes: 314001f0bf ("af_unix: Add OOB support")
Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
When OOB data is in recvq, we can detect it with epoll by checking
EPOLLPRI.
This patch add checks for EPOLLPRI after every send() and recv() in
all test cases.
Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
When data is sent with MSG_OOB, SIGURG is sent to a process if the
receiver socket has set its owner to the process by ioctl(FIOSETOWN)
or fcntl(F_SETOWN).
This patch adds SIGURG check after every send(MSG_OOB) call.
Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
When SO_OOBINLINE is enabled on a socket, MSG_OOB can be recv()ed
without MSG_OOB flag, and ioctl(SIOCATMARK) will behaves differently.
This patch adds some test cases for SO_OOBINLINE.
Note the new test cases found two bugs in TCP.
1) After reading OOB data with non-inline mode, we can re-read
the data by setting SO_OOBINLINE.
# RUN msg_oob.no_peek.inline_oob_ahead_break ...
# msg_oob.c:146:inline_oob_ahead_break:AF_UNIX :world
# msg_oob.c:147:inline_oob_ahead_break:TCP :oworld
# OK msg_oob.no_peek.inline_oob_ahead_break
ok 14 msg_oob.no_peek.inline_oob_ahead_break
2) The head OOB data is dropped if SO_OOBINLINE is disabled
if a new OOB data is queued.
# RUN msg_oob.no_peek.inline_ex_oob_drop ...
# msg_oob.c:171:inline_ex_oob_drop:AF_UNIX :x
# msg_oob.c:172:inline_ex_oob_drop:TCP :y
# msg_oob.c:146:inline_ex_oob_drop:AF_UNIX :y
# msg_oob.c:147:inline_ex_oob_drop:TCP :Resource temporarily unavailable
# OK msg_oob.no_peek.inline_ex_oob_drop
ok 17 msg_oob.no_peek.inline_ex_oob_drop
Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Currently, recv() is stopped at a consumed OOB skb even if a new
OOB skb is queued and we can ignore the old OOB skb.
>>> from socket import *
>>> c1, c2 = socket(AF_UNIX, SOCK_STREAM)
>>> c1.send(b'hellowor', MSG_OOB)
8
>>> c2.recv(1, MSG_OOB) # consume OOB data stays at middle of recvq.
b'r'
>>> c1.send(b'ld', MSG_OOB)
2
>>> c2.recv(10) # recv() stops at the old consumed OOB
b'hellowo' # should be 'hellowol'
manage_oob() should not stop recv() at the old consumed OOB skb if
there is a new OOB data queued.
Note that TCP behaviour is apparently wrong in this test case because
we can recv() the same OOB data twice.
Without fix:
# RUN msg_oob.no_peek.ex_oob_ahead_break ...
# msg_oob.c:138:ex_oob_ahead_break:AF_UNIX :hellowo
# msg_oob.c:139:ex_oob_ahead_break:Expected:hellowol
# msg_oob.c:141:ex_oob_ahead_break:Expected ret[0] (7) == expected_len (8)
# ex_oob_ahead_break: Test terminated by assertion
# FAIL msg_oob.no_peek.ex_oob_ahead_break
not ok 11 msg_oob.no_peek.ex_oob_ahead_break
With fix:
# RUN msg_oob.no_peek.ex_oob_ahead_break ...
# msg_oob.c:146:ex_oob_ahead_break:AF_UNIX :hellowol
# msg_oob.c:147:ex_oob_ahead_break:TCP :helloworl
# OK msg_oob.no_peek.ex_oob_ahead_break
ok 11 msg_oob.no_peek.ex_oob_ahead_break
Fixes: 314001f0bf ("af_unix: Add OOB support")
Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
While testing, I found some weird behaviour on the TCP side as well.
For example, TCP drops the preceding OOB data when queueing a new
OOB data if the old OOB data is at the head of recvq.
# RUN msg_oob.no_peek.ex_oob_drop ...
# msg_oob.c:146:ex_oob_drop:AF_UNIX :x
# msg_oob.c:147:ex_oob_drop:TCP :Resource temporarily unavailable
# msg_oob.c:146:ex_oob_drop:AF_UNIX :y
# msg_oob.c:147:ex_oob_drop:TCP :Invalid argument
# OK msg_oob.no_peek.ex_oob_drop
ok 9 msg_oob.no_peek.ex_oob_drop
# RUN msg_oob.no_peek.ex_oob_drop_2 ...
# msg_oob.c:146:ex_oob_drop_2:AF_UNIX :x
# msg_oob.c:147:ex_oob_drop_2:TCP :Resource temporarily unavailable
# OK msg_oob.no_peek.ex_oob_drop_2
ok 10 msg_oob.no_peek.ex_oob_drop_2
This patch allows AF_UNIX's MSG_OOB implementation to produce different
results from TCP when operations are guarded with tcp_incompliant{}.
Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Let's say a socket send()s "hello" with MSG_OOB and "world" without flags,
>>> from socket import *
>>> c1, c2 = socketpair(AF_UNIX)
>>> c1.send(b'hello', MSG_OOB)
5
>>> c1.send(b'world')
5
and its peer recv()s "hell" and "o".
>>> c2.recv(10)
b'hell'
>>> c2.recv(1, MSG_OOB)
b'o'
Now the consumed OOB skb stays at the head of recvq to return a correct
value for ioctl(SIOCATMARK), which is broken now and fixed by a later
patch.
Then, if peer issues recv() with MSG_DONTWAIT, manage_oob() returns NULL,
so recv() ends up with -EAGAIN.
>>> c2.setblocking(False) # This causes -EAGAIN even with available data
>>> c2.recv(5)
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
BlockingIOError: [Errno 11] Resource temporarily unavailable
However, next recv() will return the following available data, "world".
>>> c2.recv(5)
b'world'
When the consumed OOB skb is at the head of the queue, we need to fetch
the next skb to fix the weird behaviour.
Note that the issue does not happen without MSG_DONTWAIT because we can
retry after manage_oob().
This patch also adds a test case that covers the issue.
Without fix:
# RUN msg_oob.no_peek.ex_oob_break ...
# msg_oob.c:134:ex_oob_break:AF_UNIX :Resource temporarily unavailable
# msg_oob.c:135:ex_oob_break:Expected:ld
# msg_oob.c:137:ex_oob_break:Expected ret[0] (-1) == expected_len (2)
# ex_oob_break: Test terminated by assertion
# FAIL msg_oob.no_peek.ex_oob_break
not ok 8 msg_oob.no_peek.ex_oob_break
With fix:
# RUN msg_oob.no_peek.ex_oob_break ...
# OK msg_oob.no_peek.ex_oob_break
ok 8 msg_oob.no_peek.ex_oob_break
Fixes: 314001f0bf ("af_unix: Add OOB support")
Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
After consuming OOB data, recv() reading the preceding data must break at
the OOB skb regardless of MSG_PEEK.
Currently, MSG_PEEK does not stop recv() for AF_UNIX, and the behaviour is
not compliant with TCP.
>>> from socket import *
>>> c1, c2 = socketpair(AF_UNIX)
>>> c1.send(b'hello', MSG_OOB)
5
>>> c1.send(b'world')
5
>>> c2.recv(1, MSG_OOB)
b'o'
>>> c2.recv(9, MSG_PEEK) # This should return b'hell'
b'hellworld' # even with enough buffer.
Let's fix it by returning NULL for consumed skb and unlinking it only if
MSG_PEEK is not specified.
This patch also adds test cases that add recv(MSG_PEEK) before each recv().
Without fix:
# RUN msg_oob.peek.oob_ahead_break ...
# msg_oob.c:134:oob_ahead_break:AF_UNIX :hellworld
# msg_oob.c:135:oob_ahead_break:Expected:hell
# msg_oob.c:137:oob_ahead_break:Expected ret[0] (9) == expected_len (4)
# oob_ahead_break: Test terminated by assertion
# FAIL msg_oob.peek.oob_ahead_break
not ok 13 msg_oob.peek.oob_ahead_break
With fix:
# RUN msg_oob.peek.oob_ahead_break ...
# OK msg_oob.peek.oob_ahead_break
ok 13 msg_oob.peek.oob_ahead_break
Fixes: 314001f0bf ("af_unix: Add OOB support")
Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
AF_UNIX's MSG_OOB functionality lacked thorough testing, and we found
some bizarre behaviour.
The new selftest validates every MSG_OOB operation against TCP as a
reference implementation.
This patch adds only a few tests with basic send() and recv() that
do not fail.
The following patches will add more test cases for SO_OOBINLINE, SIGURG,
EPOLLPRI, and SIOCATMARK.
Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
test_unix_oob.c does not fully cover AF_UNIX's MSG_OOB functionality,
thus there are discrepancies between TCP behaviour.
Also, the test uses fork() to create message producer, and it's not
easy to understand and add more test cases.
Let's remove test_unix_oob.c and rewrite a new test.
Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Add tests focusing on indirection table configuration and
creating extra RSS contexts in drivers which support it.
$ export NETIF=eth0 REMOTE_...
$ ./drivers/net/hw/rss_ctx.py
KTAP version 1
1..8
ok 1 rss_ctx.test_rss_key_indir
ok 2 rss_ctx.test_rss_context
ok 3 rss_ctx.test_rss_context4
# Increasing queue count 44 -> 66
# Failed to create context 32, trying to test what we got
ok 4 rss_ctx.test_rss_context32 # SKIP Tested only 31 contexts, wanted 32
ok 5 rss_ctx.test_rss_context_overlap
ok 6 rss_ctx.test_rss_context_overlap2
# .. sprays traffic like a headless chicken ..
not ok 7 rss_ctx.test_rss_context_out_of_order
ok 8 rss_ctx.test_rss_context4_create_with_cfg
# Totals: pass:6 fail:1 xfail:0 xpass:0 skip:1 error:0
Note that rss_ctx.test_rss_context_out_of_order fails with the device
I tested with, but it seems to be a device / driver bug.
Reviewed-by: Petr Machata <petrm@nvidia.com>
Reviewed-by: Willem de Bruijn <willemb@google.com>
Link: https://patch.msgid.link/20240626012456.2326192-5-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Teach the load generator how to wait for at least given number
of packets to be received. This will be useful for filtering
where we'll want to send a non-trivial number of packets and
make sure they landed in right queues.
Reviewed-by: Breno Leitao <leitao@debian.org>
Reviewed-by: Petr Machata <petrm@nvidia.com>
Reviewed-by: Willem de Bruijn <willemb@google.com>
Link: https://patch.msgid.link/20240626012456.2326192-4-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Some devices DMA stats to the host periodically. Add a helper
which can wait for that to happen, based on frequency reported
by the driver in ethtool.
Reviewed-by: Petr Machata <petrm@nvidia.com>
Reviewed-by: Willem de Bruijn <willemb@google.com>
Link: https://patch.msgid.link/20240626012456.2326192-3-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
We use random ports for communication. As Willem predicted
this leads to occasional failures. Try to check if port is
already in use by opening a socket and binding to that port.
Reviewed-by: Przemek Kitszel <przemyslaw.kitszel@intel.com>
Reviewed-by: Petr Machata <petrm@nvidia.com>
Reviewed-by: Willem de Bruijn <willemb@google.com>
Link: https://patch.msgid.link/20240626012456.2326192-2-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
It seems that there is no definition for config IP_GRE, and it is not a
dependency of other configs, so remove it.
linux$ find -name Kconfig | xargs grep "IP_GRE"
<-- nothing
There is a IPV6_GRE config defined in net/ipv6/Kconfig. It only depends
on NET_IPGRE_DEMUX but not IP_GRE.
Signed-off-by: Yujie Liu <yujie.liu@intel.com>
Acked-by: Jakub Kicinski <kuba@kernel.org>
Link: https://patch.msgid.link/20240624055539.2092322-1-yujie.liu@intel.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
After calling fork() in test_prctl_fork_exec(), the global variable
ksm_full_scans_fd is initialized to 0 in the child process upon entering
the main function of ./ksm_functional_tests.
In the function call chain test_child_ksm() -> __mmap_and_merge_range ->
ksm_merge-> ksm_get_full_scans, start_scans = ksm_get_full_scans() will
return an error. Therefore, the value of ksm_full_scans_fd needs to be
initialized before calling test_child_ksm in the child process.
Link: https://lkml.kernel.org/r/20240617052934.5834-1-shechenglong001@gmail.com
Signed-off-by: aigourensheng <shechenglong001@gmail.com>
Acked-by: David Hildenbrand <david@redhat.com>
Cc: Shuah Khan <shuah@kernel.org>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
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Merge tag 'for-netdev' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/bpf/bpf
Daniel Borkmann says:
====================
pull-request: bpf 2024-06-24
We've added 12 non-merge commits during the last 10 day(s) which contain
a total of 10 files changed, 412 insertions(+), 16 deletions(-).
The main changes are:
1) Fix a BPF verifier issue validating may_goto with a negative offset,
from Alexei Starovoitov.
2) Fix a BPF verifier validation bug with may_goto combined with jump to
the first instruction, also from Alexei Starovoitov.
3) Fix a bug with overrunning reservations in BPF ring buffer,
from Daniel Borkmann.
4) Fix a bug in BPF verifier due to missing proper var_off setting related
to movsx instruction, from Yonghong Song.
5) Silence unnecessary syzkaller-triggered warning in __xdp_reg_mem_model(),
from Daniil Dulov.
* tag 'for-netdev' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/bpf/bpf:
xdp: Remove WARN() from __xdp_reg_mem_model()
selftests/bpf: Add tests for may_goto with negative offset.
bpf: Fix may_goto with negative offset.
selftests/bpf: Add more ring buffer test coverage
bpf: Fix overrunning reservations in ringbuf
selftests/bpf: Tests with may_goto and jumps to the 1st insn
bpf: Fix the corner case with may_goto and jump to the 1st insn.
bpf: Update BPF LSM maintainer list
bpf: Fix remap of arena.
selftests/bpf: Add a few tests to cover
bpf: Add missed var_off setting in coerce_subreg_to_size_sx()
bpf: Add missed var_off setting in set_sext32_default_val()
====================
Link: https://patch.msgid.link/20240624124330.8401-1-daniel@iogearbox.net
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
* Fix dangling references to a redistributor region if the vgic was
prematurely destroyed.
* Properly mark FFA buffers as released, ensuring that both parties
can make forward progress.
x86:
* Allow getting/setting MSRs for SEV-ES guests, if they're using the pre-6.9
KVM_SEV_ES_INIT API.
* Always sync pending posted interrupts to the IRR prior to IOAPIC
route updates, so that EOIs are intercepted properly if the old routing
table requested that.
Generic:
* Avoid __fls(0)
* Fix reference leak on hwpoisoned page
* Fix a race in kvm_vcpu_on_spin() by ensuring loads and stores are atomic.
* Fix bug in __kvm_handle_hva_range() where KVM calls a function pointer
that was intended to be a marker only (nothing bad happens but kind of
a mine and also technically undefined behavior)
* Do not bother accounting allocations that are small and freed before
getting back to userspace.
Selftests:
* Fix compilation for RISC-V.
* Fix a "shift too big" goof in the KVM_SEV_INIT2 selftest.
* Compute the max mappable gfn for KVM selftests on x86 using GuestMaxPhyAddr
from KVM's supported CPUID (if it's available).
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
Pull kvm fixes from Paolo Bonzini:
"ARM:
- Fix dangling references to a redistributor region if the vgic was
prematurely destroyed.
- Properly mark FFA buffers as released, ensuring that both parties
can make forward progress.
x86:
- Allow getting/setting MSRs for SEV-ES guests, if they're using the
pre-6.9 KVM_SEV_ES_INIT API.
- Always sync pending posted interrupts to the IRR prior to IOAPIC
route updates, so that EOIs are intercepted properly if the old
routing table requested that.
Generic:
- Avoid __fls(0)
- Fix reference leak on hwpoisoned page
- Fix a race in kvm_vcpu_on_spin() by ensuring loads and stores are
atomic.
- Fix bug in __kvm_handle_hva_range() where KVM calls a function
pointer that was intended to be a marker only (nothing bad happens
but kind of a mine and also technically undefined behavior)
- Do not bother accounting allocations that are small and freed
before getting back to userspace.
Selftests:
- Fix compilation for RISC-V.
- Fix a "shift too big" goof in the KVM_SEV_INIT2 selftest.
- Compute the max mappable gfn for KVM selftests on x86 using
GuestMaxPhyAddr from KVM's supported CPUID (if it's available)"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
KVM: SEV-ES: Fix svm_get_msr()/svm_set_msr() for KVM_SEV_ES_INIT guests
KVM: Discard zero mask with function kvm_dirty_ring_reset
virt: guest_memfd: fix reference leak on hwpoisoned page
kvm: do not account temporary allocations to kmem
MAINTAINERS: Drop Wanpeng Li as a Reviewer for KVM Paravirt support
KVM: x86: Always sync PIR to IRR prior to scanning I/O APIC routes
KVM: Stop processing *all* memslots when "null" mmu_notifier handler is found
KVM: arm64: FFA: Release hyp rx buffer
KVM: selftests: Fix RISC-V compilation
KVM: arm64: Disassociate vcpus from redistributor region on teardown
KVM: Fix a data race on last_boosted_vcpu in kvm_vcpu_on_spin()
KVM: selftests: x86: Prioritize getting max_gfn from GuestPhysBits
KVM: selftests: Fix shift of 32 bit unsigned int more than 32 bits
amt.sh is written in bash, not sh.
So, shebang should be bash.
Signed-off-by: Taehee Yoo <ap420073@gmail.com>
Acked-by: Muhammad Usama Anjum <usama.anjum@collabora.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diag_uid selftest failed on NIPA where the received nlmsg_type is
NLMSG_ERROR [0] because CONFIG_UNIX_DIAG is not set [1] by default
and sock_diag_lock_handler() failed to load the module.
# # Starting 2 tests from 2 test cases.
# # RUN diag_uid.uid.1 ...
# # diag_uid.c:159:1:Expected nlh->nlmsg_type (2) == SOCK_DIAG_BY_FAMILY (20)
# # 1: Test terminated by assertion
# # FAIL diag_uid.uid.1
# not ok 1 diag_uid.uid.1
Let's add all AF_UNIX Kconfig to the config file under af_unix dir
so that NIPA consumes it.
Fixes: ac011361bd ("af_unix: Add test for sock_diag and UDIAG_SHOW_UID.")
Link: https://netdev-3.bots.linux.dev/vmksft-net/results/644841/104-diag-uid/stdout [0]
Link: https://netdev-3.bots.linux.dev/vmksft-net/results/644841/config [1]
Reported-by: Jakub Kicinski <kuba@kernel.org>
Closes: https://lore.kernel.org/netdev/20240617073033.0cbb829d@kernel.org/
Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Cross-merge networking fixes after downstream PR.
Conflicts:
drivers/net/ethernet/broadcom/bnxt/bnxt.c
1e7962114c ("bnxt_en: Restore PTP tx_avail count in case of skb_pad() error")
165f87691a ("bnxt_en: add timestamping statistics support")
No adjacent changes.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Current release - regressions:
- ipv6: bring NLM_DONE out to a separate recv() again
Current release - new code bugs:
- wifi: cfg80211: wext: set ssids=NULL for passive scans via old wext API
Previous releases - regressions:
- wifi: mac80211: fix monitor channel setting with chanctx emulation
(probably most awaited of the fixes in this PR, tracked by Thorsten)
- usb: ax88179_178a: bring back reset on init, if PHY is disconnected
- bpf: fix UML x86_64 compile failure with BPF
- bpf: avoid splat in pskb_pull_reason(), sanity check added can be hit
with malicious BPF
- eth: mvpp2: use slab_build_skb() for packets in slab, driver was
missed during API refactoring
- wifi: iwlwifi: add missing unlock of mvm mutex
Previous releases - always broken:
- ipv6: add a number of missing null-checks for in6_dev_get(), in case
IPv6 disabling races with the datapath
- bpf: fix reg_set_min_max corruption of fake_reg
- sched: act_ct: add netns as part of the key of tcf_ct_flow_table
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-6.10-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Jakub Kicinski:
"Including fixes from wireless, bpf and netfilter.
Happy summer solstice! The line count is a bit inflated by a selftest
and update to a driver's FW interface header, in reality this is
slightly below average for us. We are expecting one driver fix from
Intel, but there are no big known issues.
Current release - regressions:
- ipv6: bring NLM_DONE out to a separate recv() again
Current release - new code bugs:
- wifi: cfg80211: wext: set ssids=NULL for passive scans via old wext API
Previous releases - regressions:
- wifi: mac80211: fix monitor channel setting with chanctx emulation
(probably most awaited of the fixes in this PR, tracked by Thorsten)
- usb: ax88179_178a: bring back reset on init, if PHY is disconnected
- bpf: fix UML x86_64 compile failure with BPF
- bpf: avoid splat in pskb_pull_reason(), sanity check added can be hit
with malicious BPF
- eth: mvpp2: use slab_build_skb() for packets in slab, driver was
missed during API refactoring
- wifi: iwlwifi: add missing unlock of mvm mutex
Previous releases - always broken:
- ipv6: add a number of missing null-checks for in6_dev_get(), in case
IPv6 disabling races with the datapath
- bpf: fix reg_set_min_max corruption of fake_reg
- sched: act_ct: add netns as part of the key of tcf_ct_flow_table"
* tag 'net-6.10-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (63 commits)
net: usb: rtl8150 fix unintiatilzed variables in rtl8150_get_link_ksettings
selftests: virtio_net: add forgotten config options
bnxt_en: Restore PTP tx_avail count in case of skb_pad() error
bnxt_en: Set TSO max segs on devices with limits
bnxt_en: Update firmware interface to 1.10.3.44
net: stmmac: Assign configured channel value to EXTTS event
net: do not leave a dangling sk pointer, when socket creation fails
net/tcp_ao: Don't leak ao_info on error-path
ice: Fix VSI list rule with ICE_SW_LKUP_LAST type
ipv6: bring NLM_DONE out to a separate recv() again
selftests: add selftest for the SRv6 End.DX6 behavior with netfilter
selftests: add selftest for the SRv6 End.DX4 behavior with netfilter
netfilter: move the sysctl nf_hooks_lwtunnel into the netfilter core
seg6: fix parameter passing when calling NF_HOOK() in End.DX4 and End.DX6 behaviors
netfilter: ipset: Fix suspicious rcu_dereference_protected()
selftests: openvswitch: Set value to nla flags.
octeontx2-pf: Fix linking objects into multiple modules
octeontx2-pf: Add error handling to VLAN unoffload handling
virtio_net: fixing XDP for fully checksummed packets handling
virtio_net: checksum offloading handling fix
...
this selftest is designed for evaluating the SRv6 End.DX6 behavior
used with netfilter(rpfilter), in this example, for implementing
IPv6 L3 VPN use cases.
Signed-off-by: Jianguo Wu <wujianguo@chinatelecom.cn>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
this selftest is designed for evaluating the SRv6 End.DX4 behavior
used with netfilter(rpfilter), in this example, for implementing
IPv4 L3 VPN use cases.
Signed-off-by: Jianguo Wu <wujianguo@chinatelecom.cn>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Netlink flags, although they don't have payload at the netlink level,
are represented as having "True" as value in pyroute2.
Without it, trying to add a flow with a flag-type action (e.g: pop_vlan)
fails with the following traceback:
Traceback (most recent call last):
File "[...]/ovs-dpctl.py", line 2498, in <module>
sys.exit(main(sys.argv))
^^^^^^^^^^^^^^
File "[...]/ovs-dpctl.py", line 2487, in main
ovsflow.add_flow(rep["dpifindex"], flow)
File "[...]/ovs-dpctl.py", line 2136, in add_flow
reply = self.nlm_request(
^^^^^^^^^^^^^^^^^
File "[...]/pyroute2/netlink/nlsocket.py", line 822, in nlm_request
return tuple(self._genlm_request(*argv, **kwarg))
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "[...]/pyroute2/netlink/generic/__init__.py", line 126, in
nlm_request
return tuple(super().nlm_request(*argv, **kwarg))
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "[...]/pyroute2/netlink/nlsocket.py", line 1124, in nlm_request
self.put(msg, msg_type, msg_flags, msg_seq=msg_seq)
File "[...]/pyroute2/netlink/nlsocket.py", line 389, in put
self.sendto_gate(msg, addr)
File "[...]/pyroute2/netlink/nlsocket.py", line 1056, in sendto_gate
msg.encode()
File "[...]/pyroute2/netlink/__init__.py", line 1245, in encode
offset = self.encode_nlas(offset)
^^^^^^^^^^^^^^^^^^^^^^^^
File "[...]/pyroute2/netlink/__init__.py", line 1560, in encode_nlas
nla_instance.setvalue(cell[1])
File "[...]/pyroute2/netlink/__init__.py", line 1265, in setvalue
nlv.setvalue(nla_tuple[1])
~~~~~~~~~^^^
IndexError: list index out of range
Signed-off-by: Adrian Moreno <amorenoz@redhat.com>
Acked-by: Aaron Conole <aconole@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
openvswitch.sh makes use of substitutions of the form ${ns:0:1}, to
obtain the first character of $ns. Empirically, this is works with bash
but not dash. When run with dash these evaluate to an empty string and
printing an error to stdout.
# dash -c 'ns=client; echo "${ns:0:1}"' 2>error
# cat error
dash: 1: Bad substitution
# bash -c 'ns=client; echo "${ns:0:1}"' 2>error
c
# cat error
This leads to tests that neither pass nor fail.
F.e.
TEST: arp_ping [START]
adding sandbox 'test_arp_ping'
Adding DP/Bridge IF: sbx:test_arp_ping dp:arpping {, , }
create namespaces
./openvswitch.sh: 282: eval: Bad substitution
TEST: ct_connect_v4 [START]
adding sandbox 'test_ct_connect_v4'
Adding DP/Bridge IF: sbx:test_ct_connect_v4 dp:ct4 {, , }
./openvswitch.sh: 322: eval: Bad substitution
create namespaces
Resolve this by making openvswitch.sh a bash script.
Fixes: 918423fda9 ("selftests: openvswitch: add an initial flow programming case")
Signed-off-by: Simon Horman <horms@kernel.org>
Reviewed-by: Przemek Kitszel <przemyslaw.kitszel@intel.com>
Link: https://lore.kernel.org/r/20240617-ovs-selftest-bash-v1-1-7ae6ccd3617b@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
It is important to have fixed (sub)test names in TAP, because these
names are used to identify them. If they are not fixed, tracking cannot
be done.
Some subtests from the userspace_pm selftest were using random numbers
in their names: the client and server address IDs from $RANDOM, and the
client port number randomly picked by the kernel when creating the
connection. These values have been replaced by 'client' and 'server'
words: that's even more helpful than showing random numbers. Note that
the addresses IDs are incremented and decremented in the test: +1 or -1
are then displayed in these cases.
Not to loose info that can be useful for debugging in case of issues,
these random numbers are now displayed at the beginning of the test.
Fixes: f589234e1a ("selftests: mptcp: userspace_pm: format subtests results in TAP")
Cc: stable@vger.kernel.org
Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://lore.kernel.org/r/20240614-upstream-net-20240614-selftests-mptcp-uspace-pm-fixed-test-names-v1-1-460ad3edb429@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Mainly MM singleton fixes. And a couple of ocfs2 regression fixes.
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Merge tag 'mm-hotfixes-stable-2024-06-17-11-43' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull misc fixes from Andrew Morton:
"Mainly MM singleton fixes. And a couple of ocfs2 regression fixes"
* tag 'mm-hotfixes-stable-2024-06-17-11-43' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm:
kcov: don't lose track of remote references during softirqs
mm: shmem: fix getting incorrect lruvec when replacing a shmem folio
mm/debug_vm_pgtable: drop RANDOM_ORVALUE trick
mm: fix possible OOB in numa_rebuild_large_mapping()
mm/migrate: fix kernel BUG at mm/compaction.c:2761!
selftests: mm: make map_fixed_noreplace test names stable
mm/memfd: add documentation for MFD_NOEXEC_SEAL MFD_EXEC
mm: mmap: allow for the maximum number of bits for randomizing mmap_base by default
gcov: add support for GCC 14
zap_pid_ns_processes: clear TIF_NOTIFY_SIGNAL along with TIF_SIGPENDING
mm: huge_memory: fix misused mapping_large_folio_support() for anon folios
lib/alloc_tag: fix RCU imbalance in pgalloc_tag_get()
lib/alloc_tag: do not register sysctl interface when CONFIG_SYSCTL=n
MAINTAINERS: remove Lorenzo as vmalloc reviewer
Revert "mm: init_mlocked_on_free_v3"
mm/page_table_check: fix crash on ZONE_DEVICE
gcc: disable '-Warray-bounds' for gcc-9
ocfs2: fix NULL pointer dereference in ocfs2_abort_trigger()
ocfs2: fix NULL pointer dereference in ocfs2_journal_dirty()
Add three unit tests in verifier_movsx.c to cover
cases where missed var_off setting can cause
unexpected verification success or failure.
Signed-off-by: Yonghong Song <yonghong.song@linux.dev>
Link: https://lore.kernel.org/r/20240615174637.3995589-1-yonghong.song@linux.dev
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
KTAP parsers interpret the output of ksft_test_result_*() as being the
name of the test. The map_fixed_noreplace test uses a dynamically
allocated base address for the mmap()s that it tests and currently
includes this in the test names that it logs so the test names that are
logged are not stable between runs. It also uses multiples of PAGE_SIZE
which mean that runs for kernels with different PAGE_SIZE configurations
can't be directly compared. Both these factors cause issues for CI
systems when interpreting and displaying results.
Fix this by replacing the current test names with fixed strings describing
the intent of the mappings that are logged, the existing messages with the
actual addresses and sizes are retained as diagnostic prints to aid in
debugging.
Link: https://lkml.kernel.org/r/20240605-kselftest-mm-fixed-noreplace-v1-1-a235db8b9be9@kernel.org
Fixes: 4838cf70e5 ("selftests/mm: map_fixed_noreplace: conform test to TAP format output")
Signed-off-by: Mark Brown <broonie@kernel.org>
Reviewed-by: Ryan Roberts <ryan.roberts@arm.com>
Cc: Muhammad Usama Anjum <usama.anjum@collabora.com>
Cc: Shuah Khan <shuah@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
