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Selftests are supposed to run on any kernels, including the old ones not
supporting all MPTCP features.
One of them is the MPTCP Userspace PM introduced by commit 4638de5aefe5
("mptcp: handle local addrs announced by userspace PMs").
We can skip all these tests if the feature is not supported simply by
looking for the MPTCP pm_type's sysctl knob.
Link: https://github.com/multipath-tcp/mptcp_net-next/issues/368
Fixes: 259a834fadda ("selftests: mptcp: functional tests for the userspace PM type")
Cc: stable@vger.kernel.org
Signed-off-by: Matthieu Baerts <matthieu.baerts@tessares.net>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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When a required tool is missing, the return code 4 (SKIP) should be
returned instead of 1 (FAIL).
Link: https://github.com/multipath-tcp/mptcp_net-next/issues/368
Fixes: 259a834fadda ("selftests: mptcp: functional tests for the userspace PM type")
Cc: stable@vger.kernel.org
Signed-off-by: Matthieu Baerts <matthieu.baerts@tessares.net>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Selftests are supposed to run on any kernels, including the old ones not
supporting all MPTCP features.
One of them is TCP_INQ cmsg support introduced in commit 2c9e77659a0c
("mptcp: add TCP_INQ cmsg support").
It is possible to look for "mptcp_ioctl" in kallsyms because it was
needed to introduce the mentioned feature. We can skip these tests and
not set TCPINQ option if the feature is not supported.
Link: https://github.com/multipath-tcp/mptcp_net-next/issues/368
Fixes: 5cbd886ce2a9 ("selftests: mptcp: add TCP_INQ support")
Cc: stable@vger.kernel.org
Signed-off-by: Matthieu Baerts <matthieu.baerts@tessares.net>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Selftests are supposed to run on any kernels, including the old ones not
supporting all MPTCP features.
One of them is the getsockopt(SOL_MPTCP) to get info about the MPTCP
connections introduced by commit 55c42fa7fa33 ("mptcp: add MPTCP_INFO
getsockopt") and the following ones.
It is possible to look for "mptcp_diag_fill_info" in kallsyms because
it is introduced by the mentioned feature. So we can know in advance if
the feature is supported and skip the sub-test if not.
Link: https://github.com/multipath-tcp/mptcp_net-next/issues/368
Fixes: ce9979129a0b ("selftests: mptcp: add mptcp getsockopt test cases")
Cc: stable@vger.kernel.org
Signed-off-by: Matthieu Baerts <matthieu.baerts@tessares.net>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Selftests are supposed to run on any kernels, including the old ones not
supporting all MPTCP features.
One of them is the getsockopt(SOL_MPTCP) to get info about the MPTCP
connections introduced by commit 55c42fa7fa33 ("mptcp: add MPTCP_INFO
getsockopt") and the following ones.
We cannot guess in advance which sizes the kernel will returned: older
kernel can returned smaller sizes, e.g. recently the tcp_info structure
has been modified in commit 71fc704768f6 ("tcp: add rcv_wnd and
plb_rehash to TCP_INFO") where a new field has been added.
The userspace can also expect a smaller size if it is compiled with old
uAPI kernel headers.
So for these sizes, we can only check if they are above a certain
threshold, 0 for the moment. We can also only compared sizes with the
ones set by the kernel.
Link: https://github.com/multipath-tcp/mptcp_net-next/issues/368
Fixes: ce9979129a0b ("selftests: mptcp: add mptcp getsockopt test cases")
Cc: stable@vger.kernel.org
Signed-off-by: Matthieu Baerts <matthieu.baerts@tessares.net>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Selftests are supposed to run on any kernels, including the old ones not
supporting all MPTCP features.
One of them is the fullmesh flag that can be given to the MPTCP
in-kernel path-manager and introduced in commit 2843ff6f36db ("mptcp:
remote addresses fullmesh").
If the flag is not visible in the dump after having set it, we don't
check the content. Note that if we expect to have this feature and
SELFTESTS_MPTCP_LIB_EXPECT_ALL_FEATURES env var is set to 1, we always
check the content to avoid regressions.
Link: https://github.com/multipath-tcp/mptcp_net-next/issues/368
Fixes: 6da1dfdd037e ("selftests: mptcp: add set_flags tests in pm_netlink.sh")
Cc: stable@vger.kernel.org
Signed-off-by: Matthieu Baerts <matthieu.baerts@tessares.net>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Selftests are supposed to run on any kernels, including the old ones not
supporting all MPTCP features.
One of them is the checks of the default limits returned by the MPTCP
in-kernel path-manager. The default values have been modified by commit
72bcbc46a5c3 ("mptcp: increase default max additional subflows to 2").
Instead of comparing with hardcoded values, we can get the default one
and compare with them.
Note that if we expect to have the latest version, we continue to check
the hardcoded values to avoid unexpected behaviour changes.
Link: https://github.com/multipath-tcp/mptcp_net-next/issues/368
Fixes: eedbc685321b ("selftests: add PM netlink functional tests")
Cc: stable@vger.kernel.org
Signed-off-by: Matthieu Baerts <matthieu.baerts@tessares.net>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Selftests are supposed to run on any kernels, including the old ones not
supporting all MPTCP features.
One of them is the reporting of the MPTCP sockets being used, introduced
by commit c558246ee73e ("mptcp: add statistics for mptcp socket in use").
Similar to the parent commit, it looks like there is no good pre-check
to do here, i.e. dedicated function available in kallsyms. Instead, we
try to get info and if nothing is returned, the test is marked as
skipped.
Link: https://github.com/multipath-tcp/mptcp_net-next/issues/368
Fixes: e04a30f78809 ("selftest: mptcp: add test for mptcp socket in use")
Cc: stable@vger.kernel.org
Signed-off-by: Matthieu Baerts <matthieu.baerts@tessares.net>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Selftests are supposed to run on any kernels, including the old ones not
supporting all MPTCP features.
One of them is the listen diag dump support introduced by
commit 4fa39b701ce9 ("mptcp: listen diag dump support").
It looks like there is no good pre-check to do here, i.e. dedicated
function available in kallsyms. Instead, we try to get info if nothing
is returned, the test is marked as skipped.
That's not ideal because something could be wrong with the feature and
instead of reporting an error, the test could be marked as skipped. If
we know in advanced that the feature is supposed to be supported, the
tester can set SELFTESTS_MPTCP_LIB_EXPECT_ALL_FEATURES env var to 1: in
this case the test will report an error instead of marking the test as
skipped if nothing is returned.
Link: https://github.com/multipath-tcp/mptcp_net-next/issues/368
Fixes: f2ae0fa68e28 ("selftests/mptcp: add diag listen tests")
Cc: stable@vger.kernel.org
Signed-off-by: Matthieu Baerts <matthieu.baerts@tessares.net>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Selftests are supposed to run on any kernels, including the old ones not
supporting all MPTCP features.
One of them is the support of TCP_FASTOPEN socket option with MPTCP
connections introduced by commit 4ffb0a02346c ("mptcp: add TCP_FASTOPEN
sock option").
It is possible to look for "mptcp_fastopen_" in kallsyms to know if the
feature is supported or not.
Link: https://github.com/multipath-tcp/mptcp_net-next/issues/368
Fixes: ca7ae8916043 ("selftests: mptcp: mptfo Initiator/Listener")
Cc: stable@vger.kernel.org
Signed-off-by: Matthieu Baerts <matthieu.baerts@tessares.net>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Selftests are supposed to run on any kernels, including the old ones not
supporting all MPTCP features.
One of them is the full support of disconnections from the userspace
introduced by commit b29fcfb54cd7 ("mptcp: full disconnect
implementation").
It is possible to look for "mptcp_pm_data_reset" in kallsyms because a
preparation patch added it to ease the introduction of the mentioned
feature.
Link: https://github.com/multipath-tcp/mptcp_net-next/issues/368
Fixes: 05be5e273c84 ("selftests: mptcp: add disconnect tests")
Cc: stable@vger.kernel.org
Signed-off-by: Matthieu Baerts <matthieu.baerts@tessares.net>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Selftests are supposed to run on any kernels, including the old ones not
supporting all MPTCP features.
One of them is the support of IP(V6)_TRANSPARENT socket option with
MPTCP connections introduced by commit c9406a23c116 ("mptcp: sockopt:
add SOL_IP freebind & transparent options").
It is possible to look for "__ip_sock_set_tos" in kallsyms because
IP(V6)_TRANSPARENT socket option support has been added after TOS
support which came with the required infrastructure in MPTCP sockopt
code. To support TOS, the following function has been exported (T). Not
great but better than checking for a specific kernel version.
Link: https://github.com/multipath-tcp/mptcp_net-next/issues/368
Fixes: 5fb62e9cd3ad ("selftests: mptcp: add tproxy test case")
Cc: stable@vger.kernel.org
Signed-off-by: Matthieu Baerts <matthieu.baerts@tessares.net>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Selftests are supposed to run on any kernels, including the old ones not
supporting all MPTCP features.
New functions are now available to easily detect if a certain feature is
missing by looking at kallsyms.
These new helpers are going to be used in the following commits. In
order to ease the backport of such future patches, it would be good if
this patch is backported up to the introduction of MPTCP selftests,
hence the Fixes tag below: this type of check was supposed to be done
from the beginning.
Link: https://github.com/multipath-tcp/mptcp_net-next/issues/368
Fixes: 048d19d444be ("mptcp: add basic kselftest for mptcp")
Cc: stable@vger.kernel.org
Signed-off-by: Matthieu Baerts <matthieu.baerts@tessares.net>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Kernel does not have padding requirements for 64b attrs.
We can ignore pad attrs.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The op_name argument is barely used and identical to op.name
in all cases.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Netlink specs support both events and notifications (former can
define their own message contents). Plug in missing code to
generate types, parsers and include events into notification
tables.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Don't modify the raw dicts (as loaded from YAML) to pretend
that the notify attributes also exist on the ops. This makes
the code easier to follow.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Remove unused notification handlers.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Common notification handler was supposed to be a way for the user
to parse the notifications from a socket synchronously.
I don't think we'll end up using it, ynl_ntf_check() works for
all known use cases.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Renegate the code to combine } and else and use tmp variable
to store type.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Reading attr type with mnl_attr_get_type() for each condition
leads to most conditions being longer than 80 chars.
Avoid this by reading the type to a variable on the stack.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Code gen currently prints:
}
else if (...
This is really ugly. Fix it by delaying printing of closing
brackets in anticipation of else coming along.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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C keywords need to be avoided when naming things.
Complete the list (ethtool has at least one thing called "auto").
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Remove unnecessary includes.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Bots started screaming that we're including stdlib.h twice.
While at it move string.h into a common spot and drop stdio.h
which we don't need.
Reported-by: Abaci Robot <abaci@linux.alibaba.com>
Closes: https://bugzilla.openanolis.cn/show_bug.cgi?id=5464
Closes: https://bugzilla.openanolis.cn/show_bug.cgi?id=5466
Closes: https://bugzilla.openanolis.cn/show_bug.cgi?id=5467
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Pull virtio bug fixes from Michael Tsirkin:
"A bunch of fixes all over the place"
* tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost:
tools/virtio: use canonical ftrace path
vhost_vdpa: support PACKED when setting-getting vring_base
vhost: support PACKED when setting-getting vring_base
vhost: Fix worker hangs due to missed wake up calls
vhost: Fix crash during early vhost_transport_send_pkt calls
vhost_net: revert upend_idx only on retriable error
vhost_vdpa: tell vqs about the negotiated
vdpa/mlx5: Fix hang when cvq commands are triggered during device unregister
tools/virtio: Add .gitignore for ringtest
tools/virtio: Fix arm64 ringtest compilation error
vduse: avoid empty string for dev name
vhost: use kzalloc() instead of kmalloc() followed by memset()
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This reverts commit e7c5433c5aaab52ddd5448967a9a5db94a3939cc.
Commit e7c5433c5aaa ("tools: ynl: Remove duplicated include
in handshake-user.c") was applied too hastily. It changes
an auto-generated file, and there's already a proper fix
on the list.
Link: https://lore.kernel.org/all/ZIMPLYi%2FxRih+DlC@nanopsycho/
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The canonical location for the tracefs filesystem is at /sys/kernel/tracing.
But, from Documentation/trace/ftrace.rst:
Before 4.1, all ftrace tracing control files were within the debugfs
file system, which is typically located at /sys/kernel/debug/tracing.
For backward compatibility, when mounting the debugfs file system,
the tracefs file system will be automatically mounted at:
/sys/kernel/debug/tracing
A few spots in tools/virtio still refer to this older debugfs
path, so let's update them to avoid confusion.
Signed-off-by: Ross Zwisler <zwisler@google.com>
Message-Id: <20230215223350.2658616-6-zwisler@google.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Mukesh Ojha <quic_mojha@quicinc.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"Lots of small fixes, and almost all are device-specific.
A few of them are the fixes for the old regressions by the fast kctl
lookups (introduced around 5.19). Others are ASoC simple-card fixes,
selftest compile warning fixes, ASoC AMD quirks, various ASoC codec
fixes as well as usual HD-audio quirks"
* tag 'sound-6.4-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (26 commits)
ALSA: hda/realtek: Enable 4 amplifiers instead of 2 on a HP platform
ALSA: hda: Fix kctl->id initialization
ALSA: gus: Fix kctl->id initialization
ALSA: cmipci: Fix kctl->id initialization
ALSA: ymfpci: Fix kctl->id initialization
ALSA: ice1712,ice1724: fix the kcontrol->id initialization
ALSA: hda/realtek: Add quirk for Clevo NS50AU
ALSA: hda/realtek: Add quirks for Asus ROG 2024 laptops using CS35L41
ALSA: hda/realtek: Add "Intel Reference board" and "NUC 13" SSID in the ALC256
ALSA: hda/realtek: Add Lenovo P3 Tower platform
ALSA: hda/realtek: Add a quirk for HP Slim Desktop S01
selftests: alsa: pcm-test: Fix compiler warnings about the format
ASoC: fsl_sai: Enable BCI bit if SAI works on synchronous mode with BYP asserted
ASoC: simple-card-utils: fix PCM constraint error check
ASoC: cs35l56: Remove NULL check from cs35l56_sdw_dai_set_stream()
ASoC: max98363: limit the number of channel to 1
ASoC: max98363: Removed 32bit support
ASoC: mediatek: mt8195: fix use-after-free in driver remove path
ASoC: mediatek: mt8188: fix use-after-free in driver remove path
ASoC: amd: yc: Add Thinkpad Neo14 to quirks list for acp6x
...
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./tools/net/ynl/generated/handshake-user.c: stdlib.h is included more than once.
Reported-by: Abaci Robot <abaci@linux.alibaba.com>
Closes: https://bugzilla.openanolis.cn/show_bug.cgi?id=5464
Signed-off-by: Yang Li <yang.lee@linux.alibaba.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add a sample to show off how to issue basic devlink requests.
For added testing issue get requests while walking a dump.
$ ./devlink
netdevsim/netdevsim1:
driver: netdevsim
running fw:
fw.mgmt: 10.20.30
...
netdevsim/netdevsim2:
driver: netdevsim
running fw:
fw.mgmt: 10.20.30
...
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Admittedly the devlink.yaml spec is fairly limitted,
it only covers basic device get and info-get ops.
That's sufficient to be useful (monitoring FW versions
in the fleet). Plus it gives us a chance to exercise
deep nesting and directional messaging in YNL.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Renegerate code after dropping forward declarations for policies.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Now that all nested types have structs and are sorted topologically
there should be no need to generate forward declarations for policies.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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So far we had only created structures for nested types nested
directly in messages (second level of attrs so to speak).
Walk types in depth to support deeper nesting.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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We only render parse and netlink generation helpers as needed,
to avoid generating dead code. Propagate the information from
first- and second-layer attribute sets onto all children.
Otherwise devlink won't work, it has a lot more levels of nesting.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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We need to sort the structures to avoid the need for forward
declarations. While at it remove the sort of structs when
rendering, it doesn't do anything.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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I think that user space code gen for directional specs
works after recent changes. Let them through.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Move generating strmap lookup function to a helper.
No functional changes.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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In preparation for supporting families which use different msg
ids to and from the kernel - make sure the ids in op strmap
are correct. The map is expected to be used mostly for notifications,
don't generate a separate map for the "to kernel" direction.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Ignore executables for ringtest.
Signed-off-by: Rong Tao <rongtao@cestc.cn>
Message-Id: <tencent_C121802C93CB4095C6D7D95113442E830A07@qq.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Add cpu_relax() for arm64 instead of directly assert(), and add assert.h
header file. Also, add smp_wmb and smp_mb for arm64.
Compilation error as follows, avoid __always_inline undefined.
$ make
cc -Wall -pthread -O2 -ggdb -flto -fwhole-program -c -o ring.o ring.c
In file included from ring.c:10:
main.h: In function ‘busy_wait’:
main.h:99:21: warning: implicit declaration of function ‘assert’
[-Wimplicit-function-declaration]
99 | #define cpu_relax() assert(0)
| ^~~~~~
main.h:107:17: note: in expansion of macro ‘cpu_relax’
107 | cpu_relax();
| ^~~~~~~~~
main.h:12:1: note: ‘assert’ is defined in header ‘<assert.h>’; did you
forget to ‘#include <assert.h>’?
11 | #include <stdbool.h>
+++ |+#include <assert.h>
12 |
main.h: At top level:
main.h:143:23: error: expected ‘;’ before ‘void’
143 | static __always_inline
| ^
| ;
144 | void __read_once_size(const volatile void *p, void *res, int
size)
| ~~~~
main.h:158:23: error: expected ‘;’ before ‘void’
158 | static __always_inline void __write_once_size(volatile void *p,
void *res, int size)
| ^~~~~
| ;
make: *** [<builtin>: ring.o] Error 1
Signed-off-by: Rong Tao <rongtao@cestc.cn>
Message-Id: <tencent_F53E159DD7925174445D830DA19FACF44B07@qq.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Cross-merge networking fixes after downstream PR.
Conflicts:
net/sched/sch_taprio.c
d636fc5dd692 ("net: sched: add rcu annotations around qdisc->qdisc_sleeping")
dced11ef84fb ("net/sched: taprio: don't overwrite "sch" variable in taprio_dump_class_stats()")
net/ipv4/sysctl_net_ipv4.c
e209fee4118f ("net/ipv4: ping_group_range: allow GID from 2147483648 to 4294967294")
ccce324dabfe ("tcp: make the first N SYN RTO backoffs linear")
https://lore.kernel.org/all/20230605100816.08d41a7b@canb.auug.org.au/
No adjacent changes.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Paolo Abeni:
"Including fixes from can, wifi, netfilter, bluetooth and ebpf.
Current release - regressions:
- bpf: sockmap: avoid potential NULL dereference in
sk_psock_verdict_data_ready()
- wifi: iwlwifi: fix -Warray-bounds bug in iwl_mvm_wait_d3_notif()
- phylink: actually fix ksettings_set() ethtool call
- eth: dwmac-qcom-ethqos: fix a regression on EMAC < 3
Current release - new code bugs:
- wifi: mt76: fix possible NULL pointer dereference in
mt7996_mac_write_txwi()
Previous releases - regressions:
- netfilter: fix NULL pointer dereference in nf_confirm_cthelper
- wifi: rtw88/rtw89: correct PS calculation for SUPPORTS_DYNAMIC_PS
- openvswitch: fix upcall counter access before allocation
- bluetooth:
- fix use-after-free in hci_remove_ltk/hci_remove_irk
- fix l2cap_disconnect_req deadlock
- nic: bnxt_en: prevent kernel panic when receiving unexpected
PHC_UPDATE event
Previous releases - always broken:
- core: annotate rfs lockless accesses
- sched: fq_pie: ensure reasonable TCA_FQ_PIE_QUANTUM values
- netfilter: add null check for nla_nest_start_noflag() in
nft_dump_basechain_hook()
- bpf: fix UAF in task local storage
- ipv4: ping_group_range: allow GID from 2147483648 to 4294967294
- ipv6: rpl: fix route of death.
- tcp: gso: really support BIG TCP
- mptcp: fixes for user-space PM address advertisement
- smc: avoid to access invalid RMBs' MRs in SMCRv1 ADD LINK CONT
- can: avoid possible use-after-free when j1939_can_rx_register fails
- batman-adv: fix UaF while rescheduling delayed work
- eth: qede: fix scheduling while atomic
- eth: ice: make writes to /dev/gnssX synchronous"
* tag 'net-6.4-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (83 commits)
bnxt_en: Implement .set_port / .unset_port UDP tunnel callbacks
bnxt_en: Prevent kernel panic when receiving unexpected PHC_UPDATE event
bnxt_en: Skip firmware fatal error recovery if chip is not accessible
bnxt_en: Query default VLAN before VNIC setup on a VF
bnxt_en: Don't issue AP reset during ethtool's reset operation
bnxt_en: Fix bnxt_hwrm_update_rss_hash_cfg()
net: bcmgenet: Fix EEE implementation
eth: ixgbe: fix the wake condition
eth: bnxt: fix the wake condition
lib: cpu_rmap: Fix potential use-after-free in irq_cpu_rmap_release()
bpf: Add extra path pointer check to d_path helper
net: sched: fix possible refcount leak in tc_chain_tmplt_add()
net: sched: act_police: fix sparse errors in tcf_police_dump()
net: openvswitch: fix upcall counter access before allocation
net: sched: move rtm_tca_policy declaration to include file
ice: make writes to /dev/gnssX synchronous
net: sched: add rcu annotations around qdisc->qdisc_sleeping
rfs: annotate lockless accesses to RFS sock flow table
rfs: annotate lockless accesses to sk->sk_rxhash
virtio_net: use control_buf for coalesce params
...
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Adding missing prototypes for several kfuncs that are used by
test_verifier tests. We don't really need kfunc prototypes for
these tests, but adding them to silence 'make W=1' build and
to have all test kfuncs declarations in bpf_testmod_kfunc.h.
Also moving __diag_pop for -Wmissing-prototypes to cover also
bpf_testmod_test_write and bpf_testmod_test_read and adding
bpf_fentry_shadow_test in there as well. All of them need to
be exported, but there's no need for declarations.
Fixes: 65eb006d85a2 ("bpf: Move kernel test kfuncs to bpf_testmod")
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Closes: https://lore.kernel.org/oe-kbuild-all/202306051319.EihCQZPs-lkp@intel.com
Link: https://lore.kernel.org/bpf/20230607224046.236510-1-jolsa@kernel.org
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The previous commit fixed a verifier bypass by ensuring that ID is not
preserved on narrowing spills. Add the test cases to check the
problematic patterns.
Signed-off-by: Maxim Mikityanskiy <maxim@isovalent.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Yonghong Song <yhs@fb.com>
Link: https://lore.kernel.org/bpf/20230607123951.558971-3-maxtram95@gmail.com
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https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf
Daniel Borkmann says:
====================
pull-request: bpf 2023-06-07
We've added 7 non-merge commits during the last 7 day(s) which contain
a total of 12 files changed, 112 insertions(+), 7 deletions(-).
The main changes are:
1) Fix a use-after-free in BPF's task local storage, from KP Singh.
2) Make struct path handling more robust in bpf_d_path, from Jiri Olsa.
3) Fix a syzbot NULL-pointer dereference in sockmap, from Eric Dumazet.
4) UAPI fix for BPF_NETFILTER before final kernel ships,
from Florian Westphal.
5) Fix map-in-map array_map_gen_lookup code generation where elem_size was
not being set for inner maps, from Rhys Rustad-Elliott.
6) Fix sockopt_sk selftest's NETLINK_LIST_MEMBERSHIPS assertion,
from Yonghong Song.
* tag 'for-netdev' of https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf:
bpf: Add extra path pointer check to d_path helper
selftests/bpf: Fix sockopt_sk selftest
bpf: netfilter: Add BPF_NETFILTER bpf_attach_type
selftests/bpf: Add access_inner_map selftest
bpf: Fix elem_size not being set for inner maps
bpf: Fix UAF in task local storage
bpf, sockmap: Avoid potential NULL dereference in sk_psock_verdict_data_ready()
====================
Link: https://lore.kernel.org/r/20230607220514.29698-1-daniel@iogearbox.net
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Generate support for the handshake family.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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When parsing multi-attr we count the objects and then allocate
an array to hold the parsed objects. If an attr space has multiple
multi-attr objects, however, if parsing the first array fails
we'll leave the object count for the second even tho the second
array was never allocated.
This may cause crashes when freeing objects on error.
Count attributes to a variable on the stack and only set the count
in the object once the memory was allocated.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The handshake family needs support for MultiAttr scalars.
Right now we only support code gen for MultiAttr nested
types.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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