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This adds set of tests which use io_uring for rx/tx. This test suite is
implemented as separated util like 'vsock_test' and has the same set of
input arguments as 'vsock_test'. These tests only cover cases of data
transmission (no connect/bind/accept etc).
Signed-off-by: Arseniy Krasnov <avkrasnov@salutedevices.com>
Reviewed-by: Stefano Garzarella <sgarzare@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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To use this option pass '--zerocopy' parameter:
./vsock_perf --zerocopy --sender <cid> ...
With this option MSG_ZEROCOPY flag will be passed to the 'send()' call.
Signed-off-by: Arseniy Krasnov <avkrasnov@salutedevices.com>
Reviewed-by: Stefano Garzarella <sgarzare@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This adds three tests for MSG_ZEROCOPY feature:
1) SOCK_STREAM tx with different buffers.
2) SOCK_SEQPACKET tx with different buffers.
3) SOCK_STREAM test to read empty error queue of the socket.
Patch also works as preparation for the next patches for tools in this
patchset: vsock_perf and vsock_uring_test:
1) Adds several new functions to util.c - they will be also used by
vsock_uring_test.
2) Adds two new functions for MSG_ZEROCOPY handling to a new source
file - such source will be shared between vsock_test, vsock_perf and
vsock_uring_test, thus avoiding code copy-pasting.
Signed-off-by: Arseniy Krasnov <avkrasnov@salutedevices.com>
Reviewed-by: Stefano Garzarella <sgarzare@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The file name used in flash test was "dummy" because at the time test
was written, drivers were responsible for file request and as netdevsim
didn't do that, name was unused. However, the file load request is
now done in devlink code and therefore the file has to exist.
Use first random file from /lib/firmware for this purpose.
Signed-off-by: Jiri Pirko <jiri@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Extend the test to check flushing with bridge device, test flush by device
and by VID.
Add test case for flushing with "self" and "master" and attributes that are
supported only in one driver, this is unrecommended configuration, check it
to verify that user gets an error.
Signed-off-by: Amit Cohen <amcohen@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Test all the supported arguments for FDB flush. The test checks
configuration, not traffic. Note that the flag 'offloaded' is not checked
as it is not relevant when there is no hardware.
Signed-off-by: Amit Cohen <amcohen@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Cross-merge networking fixes after downstream PR.
No conflicts.
Adjacent changes:
kernel/bpf/verifier.c
829955981c55 ("bpf: Fix verifier log for async callback return values")
a923819fb2c5 ("bpf: Treat first argument as return value for bpf_throw")
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 and BPF.
We have a regression in TC currently under investigation, otherwise
the things that stand off most are probably the TCP and AF_PACKET
fixes, with both issues coming from 6.5.
Previous releases - regressions:
- af_packet: fix fortified memcpy() without flex array.
- tcp: fix crashes trying to free half-baked MTU probes
- xdp: fix zero-size allocation warning in xskq_create()
- can: sja1000: always restart the tx queue after an overrun
- eth: mlx5e: again mutually exclude RX-FCS and RX-port-timestamp
- eth: nfp: avoid rmmod nfp crash issues
- eth: octeontx2-pf: fix page pool frag allocation warning
Previous releases - always broken:
- mctp: perform route lookups under a RCU read-side lock
- bpf: s390: fix clobbering the caller's backchain in the trampoline
- phy: lynx-28g: cancel the CDR check work item on the remove path
- dsa: qca8k: fix qca8k driver for Turris 1.x
- eth: ravb: fix use-after-free issue in ravb_tx_timeout_work()
- eth: ixgbe: fix crash with empty VF macvlan list"
* tag 'net-6.6-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (54 commits)
rswitch: Fix imbalance phy_power_off() calling
rswitch: Fix renesas_eth_sw_remove() implementation
octeontx2-pf: Fix page pool frag allocation warning
nfc: nci: assert requested protocol is valid
af_packet: Fix fortified memcpy() without flex array.
net: tcp: fix crashes trying to free half-baked MTU probes
net/smc: Fix pos miscalculation in statistics
nfp: flower: avoid rmmod nfp crash issues
net: usb: dm9601: fix uninitialized variable use in dm9601_mdio_read
ethtool: Fix mod state of verbose no_mask bitset
net: nfc: fix races in nfc_llcp_sock_get() and nfc_llcp_sock_get_sn()
mctp: perform route lookups under a RCU read-side lock
net: skbuff: fix kernel-doc typos
s390/bpf: Fix unwinding past the trampoline
s390/bpf: Fix clobbering the caller's backchain in the trampoline
net/mlx5e: Again mutually exclude RX-FCS and RX-port-timestamp
net/smc: Fix dependency of SMC on ISM
ixgbe: fix crash with empty VF macvlan list
net/mlx5e: macsec: use update_pn flag instead of PN comparation
net: phy: mscc: macsec: reject PN update requests
...
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Jiri added more careful handling of output of the code generator
to avoid wiping out existing files in
commit f65f305ae008 ("tools: ynl-gen: use temporary file for rendering")
Make use of the -o option in the Makefiles, it is already used
by ynl-regen.sh.
Link: https://lore.kernel.org/r/20231010202714.4045168-1-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux
Pull hyperv fixes from Wei Liu:
- fixes for Hyper-V VTL code (Saurabh Sengar and Olaf Hering)
- fix hv_kvp_daemon to support keyfile based connection profile
(Shradha Gupta)
* tag 'hyperv-fixes-signed-20231009' of git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux:
hv/hv_kvp_daemon:Support for keyfile based connection profile
hyperv: reduce size of ms_hyperv_info
x86/hyperv: Add common print prefix "Hyper-V" in hv_init
x86/hyperv: Remove hv_vtl_early_init initcall
x86/hyperv: Restrict get_vtl to only VTL platforms
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Ifcfg config file support in NetworkManger is deprecated. This patch
provides support for the new keyfile config format for connection
profiles in NetworkManager. The patch modifies the hv_kvp_daemon code
to generate the new network configuration in keyfile
format(.ini-style format) along with a ifcfg format configuration.
The ifcfg format configuration is also retained to support easy
backward compatibility for distro vendors. These configurations are
stored in temp files which are further translated using the
hv_set_ifconfig.sh script. This script is implemented by individual
distros based on the network management commands supported.
For example, RHEL's implementation could be found here:
https://gitlab.com/redhat/centos-stream/src/hyperv-daemons/-/blob/c9s/hv_set_ifconfig.sh
Debian's implementation could be found here:
https://github.com/endlessm/linux/blob/master/debian/cloud-tools/hv_set_ifconfig
The next part of this support is to let the Distro vendors consume
these modified implementations to the new configuration format.
Tested-on: Rhel9(Hyper-V, Azure)(nm and ifcfg files verified)
Signed-off-by: Shradha Gupta <shradhagupta@linux.microsoft.com>
Reviewed-by: Saurabh Sengar <ssengar@linux.microsoft.com>
Reviewed-by: Ani Sinha <anisinha@redhat.com>
Signed-off-by: Wei Liu <wei.liu@kernel.org>
Link: https://lore.kernel.org/r/1696847920-31125-1-git-send-email-shradhagupta@linux.microsoft.com
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The code supports dumps with no input attributes currently
thru a combination of special-casing and luck.
Clean up the handling of ops with no inputs. Create empty
Structs, and skip printing of empty types.
This makes dos with no inputs work.
Tested-by: Lorenzo Bianconi <lorenzo.bianconi@redhat.com>
Link: https://lore.kernel.org/r/20231006135032.3328523-1-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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A previous commit updated the verifier to print an accurate failure
message for when someone specifies a nonzero return value from an async
callback. This adds a testcase for validating that the verifier emits
the correct message in such a case.
Signed-off-by: David Vernet <void@manifault.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Link: https://lore.kernel.org/bpf/20231009161414.235829-2-void@manifault.com
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Martin reported that on his local dev machine the test_tc_chain_mixed() fails as
"test_tc_chain_mixed:FAIL:seen_tc5 unexpected seen_tc5: actual 1 != expected 0"
and others occasionally, too.
However, when running in a more isolated setup (qemu in particular), it works fine
for him. The reason is that there is a small race-window where seen_tc* could turn
into true for various test cases when there is background traffic, e.g. after the
asserts they often get reset. In such case when subsequent detach takes place,
unrelated background traffic could have already flipped the bool to true beforehand.
Add a small helper tc_skel_reset_all_seen() to reset all bools before we do the ping
test. At this point, everything is set up as expected and therefore no race can occur.
All tc_{opts,links} tests continue to pass after this change.
Reported-by: Martin KaFai Lau <martin.lau@kernel.org>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Link: https://lore.kernel.org/r/20231006220655.1653-7-daniel@iogearbox.net
Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org>
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Add a new test case to query on an empty bpf_mprog and pass the revision
directly into expected_revision for attachment to assert that this does
succeed.
./test_progs -t tc_opts
[ 1.406778] tsc: Refined TSC clocksource calibration: 3407.990 MHz
[ 1.408863] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x311fcaf6eb0, max_idle_ns: 440795321766 ns
[ 1.412419] clocksource: Switched to clocksource tsc
[ 1.428671] bpf_testmod: loading out-of-tree module taints kernel.
[ 1.430260] bpf_testmod: module verification failed: signature and/or required key missing - tainting kernel
#252 tc_opts_after:OK
#253 tc_opts_append:OK
#254 tc_opts_basic:OK
#255 tc_opts_before:OK
#256 tc_opts_chain_classic:OK
#257 tc_opts_chain_mixed:OK
#258 tc_opts_delete_empty:OK
#259 tc_opts_demixed:OK
#260 tc_opts_detach:OK
#261 tc_opts_detach_after:OK
#262 tc_opts_detach_before:OK
#263 tc_opts_dev_cleanup:OK
#264 tc_opts_invalid:OK
#265 tc_opts_max:OK
#266 tc_opts_mixed:OK
#267 tc_opts_prepend:OK
#268 tc_opts_query:OK
#269 tc_opts_query_attach:OK <--- (new test)
#270 tc_opts_replace:OK
#271 tc_opts_revision:OK
Summary: 20/0 PASSED, 0 SKIPPED, 0 FAILED
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Link: https://lore.kernel.org/r/20231006220655.1653-6-daniel@iogearbox.net
Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org>
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Simplify __assert_mprog_count() to remove the -ENOENT corner case as the
bpf_prog_query() now returns 0 when no bpf_mprog is attached. This also
allows to convert a few test cases from using raw __assert_mprog_count()
over to plain assert_mprog_count() helper.
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Link: https://lore.kernel.org/r/20231006220655.1653-5-daniel@iogearbox.net
Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org>
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Add a new test case which performs double query of the bpf_mprog through
libbpf API, but also via raw bpf(2) syscall. This is testing to gather
first the count and then in a subsequent probe the full information with
the program array without clearing passed structs in between.
# ./vmtest.sh -- ./test_progs -t tc_opts
[...]
./test_progs -t tc_opts
[ 1.398818] tsc: Refined TSC clocksource calibration: 3407.999 MHz
[ 1.400263] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x311fd336761, max_idle_ns: 440795243819 ns
[ 1.402734] clocksource: Switched to clocksource tsc
[ 1.426639] bpf_testmod: loading out-of-tree module taints kernel.
[ 1.428112] bpf_testmod: module verification failed: signature and/or required key missing - tainting kernel
#252 tc_opts_after:OK
#253 tc_opts_append:OK
#254 tc_opts_basic:OK
#255 tc_opts_before:OK
#256 tc_opts_chain_classic:OK
#257 tc_opts_chain_mixed:OK
#258 tc_opts_delete_empty:OK
#259 tc_opts_demixed:OK
#260 tc_opts_detach:OK
#261 tc_opts_detach_after:OK
#262 tc_opts_detach_before:OK
#263 tc_opts_dev_cleanup:OK
#264 tc_opts_invalid:OK
#265 tc_opts_max:OK
#266 tc_opts_mixed:OK
#267 tc_opts_prepend:OK
#268 tc_opts_query:OK <--- (new test)
#269 tc_opts_replace:OK
#270 tc_opts_revision:OK
Summary: 19/0 PASSED, 0 SKIPPED, 0 FAILED
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Link: https://lore.kernel.org/r/20231006220655.1653-4-daniel@iogearbox.net
Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org>
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Chuck points out that we should use the uapi-header property
when generating the guard. Otherwise we may generate the same
guard as another file in the tree.
Tested-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Reviewed-by: Przemek Kitszel <przemyslaw.kitszel@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Cross-merge networking fixes after downstream PR.
No conflicts (or adjacent changes of note).
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 Jakub Kicinski:
"Including fixes from Bluetooth, netfilter, BPF and WiFi.
I didn't collect precise data but feels like we've got a lot of 6.5
fixes here. WiFi fixes are most user-awaited.
Current release - regressions:
- Bluetooth: fix hci_link_tx_to RCU lock usage
Current release - new code bugs:
- bpf: mprog: fix maximum program check on mprog attachment
- eth: ti: icssg-prueth: fix signedness bug in prueth_init_tx_chns()
Previous releases - regressions:
- ipv6: tcp: add a missing nf_reset_ct() in 3WHS handling
- vringh: don't use vringh_kiov_advance() in vringh_iov_xfer(), it
doesn't handle zero length like we expected
- wifi:
- cfg80211: fix cqm_config access race, fix crashes with brcmfmac
- iwlwifi: mvm: handle PS changes in vif_cfg_changed
- mac80211: fix mesh id corruption on 32 bit systems
- mt76: mt76x02: fix MT76x0 external LNA gain handling
- Bluetooth: fix handling of HCI_QUIRK_STRICT_DUPLICATE_FILTER
- l2tp: fix handling of transhdrlen in __ip{,6}_append_data()
- dsa: mv88e6xxx: avoid EEPROM timeout when EEPROM is absent
- eth: stmmac: fix the incorrect parameter after refactoring
Previous releases - always broken:
- net: replace calls to sock->ops->connect() with kernel_connect(),
prevent address rewrite in kernel_bind(); otherwise BPF hooks may
modify arguments, unexpectedly to the caller
- tcp: fix delayed ACKs when reads and writes align with MSS
- bpf:
- verifier: unconditionally reset backtrack_state masks on global
func exit
- s390: let arch_prepare_bpf_trampoline return program size, fix
struct_ops offsets
- sockmap: fix accounting of available bytes in presence of PEEKs
- sockmap: reject sk_msg egress redirects to non-TCP sockets
- ipv4/fib: send netlink notify when delete source address routes
- ethtool: plca: fix width of reads when parsing netlink commands
- netfilter: nft_payload: rebuild vlan header on h_proto access
- Bluetooth: hci_codec: fix leaking memory of local_codecs
- eth: intel: ice: always add legacy 32byte RXDID in supported_rxdids
- eth: stmmac:
- dwmac-stm32: fix resume on STM32 MCU
- remove buggy and unneeded stmmac_poll_controller, depend on NAPI
- ibmveth: always recompute TCP pseudo-header checksum, fix use of
the driver with Open vSwitch
- wifi:
- rtw88: rtw8723d: fix MAC address offset in EEPROM
- mt76: fix lock dependency problem for wed_lock
- mwifiex: sanity check data reported by the device
- iwlwifi: ensure ack flag is properly cleared
- iwlwifi: mvm: fix a memory corruption due to bad pointer arithm
- iwlwifi: mvm: fix incorrect usage of scan API
Misc:
- wifi: mac80211: work around Cisco AP 9115 VHT MPDU length"
* tag 'net-6.6-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (99 commits)
MAINTAINERS: update Matthieu's email address
mptcp: userspace pm allow creating id 0 subflow
mptcp: fix delegated action races
net: stmmac: remove unneeded stmmac_poll_controller
net: lan743x: also select PHYLIB
net: ethernet: mediatek: disable irq before schedule napi
net: mana: Fix oversized sge0 for GSO packets
net: mana: Fix the tso_bytes calculation
net: mana: Fix TX CQE error handling
netlink: annotate data-races around sk->sk_err
sctp: update hb timer immediately after users change hb_interval
sctp: update transport state when processing a dupcook packet
tcp: fix delayed ACKs for MSS boundary condition
tcp: fix quick-ack counting to count actual ACKs of new data
page_pool: fix documentation typos
tipc: fix a potential deadlock on &tx->lock
net: stmmac: dwmac-stm32: fix resume on STM32 MCU
ipv4: Set offload_failed flag in fibmatch results
netfilter: nf_tables: nft_set_rbtree: fix spurious insertion failure
netfilter: nf_tables: Deduplicate nft_register_obj audit logs
...
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git://git.kernel.org/pub/scm/linux/kernel/git/bristot/linux
Pull rtla fixes from Daniel Bristot de Oliveira:
"rtla (Real-Time Linux Analysis) tool fixes.
Timerlat auto-analysis:
- Timerlat is reporting thread interference time without thread noise
events occurrence. It was caused because the thread interference
variable was not reset after the analysis of a timerlat activation
that did not hit the threshold.
- The IRQ handler delay is estimated from the delta of the IRQ
latency reported by timerlat, and the timestamp from IRQ handler
start event. If the delta is near-zero, the drift from the external
clock and the trace event and/or the overhead can cause the value
to be negative. If the value is negative, print a zero-delay.
- IRQ handlers happening after the timerlat thread event but before
the stop tracing were being reported as IRQ that happened before
the *current* IRQ occurrence. Ignore Previous IRQ noise in this
condition because they are valid only for the *next* timerlat
activation.
Timerlat user-space:
- Timerlat is stopping all user-space thread if a CPU becomes
offline. Do not stop the entire tool if a CPU is/become offline,
but only the thread of the unavailable CPU. Stop the tool only, if
all threads leave because the CPUs become/are offline.
man-pages:
- Fix command line example in timerlat hist man page"
* tag 'rtla-v6.6-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/bristot/linux:
rtla: fix a example in rtla-timerlat-hist.rst
rtla/timerlat: Do not stop user-space if a cpu is offline
rtla/timerlat_aa: Fix previous IRQ delay for IRQs that happens after thread sample
rtla/timerlat_aa: Fix negative IRQ delay
rtla/timerlat_aa: Zero thread sum after every sample analysis
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Makefile.deps provides direct includes in CFLAGS_$(obj).
We just need to rewrite the rules to make use of the extra
flags, no need to hard-include all of tools/include/uapi.
Acked-by: Stanislav Fomichev <sdf@google.com>
Link: https://lore.kernel.org/r/20231003153416.2479808-4-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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As far as I can tell the normal Makefile dependency tracking
works, generated files get re-generated if the YAML was updated.
Let make do its job, don't force the re-generation.
make hardclean can be used to force regeneration.
Acked-by: Stanislav Fomichev <sdf@google.com>
Link: https://lore.kernel.org/r/20231003153416.2479808-3-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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https://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf
Florian Westphal says:
====================
netfilter patches for net
First patch resolves a regression with vlan header matching, this was
broken since 6.5 release. From myself.
Second patch fixes an ancient problem with sctp connection tracking in
case INIT_ACK packets are delayed. This comes with a selftest, both
patches from Xin Long.
Patch 4 extends the existing nftables audit selftest, from
Phil Sutter.
Patch 5, also from Phil, avoids a situation where nftables
would emit an audit record twice. This was broken since 5.13 days.
Patch 6, from myself, avoids spurious insertion failure if we encounter an
overlapping but expired range during element insertion with the
'nft_set_rbtree' backend. This problem exists since 6.2.
* tag 'nf-23-10-04' of https://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf:
netfilter: nf_tables: nft_set_rbtree: fix spurious insertion failure
netfilter: nf_tables: Deduplicate nft_register_obj audit logs
selftests: netfilter: Extend nft_audit.sh
selftests: netfilter: test for sctp collision processing in nf_conntrack
netfilter: handle the connecting collision properly in nf_conntrack_proto_sctp
netfilter: nft_payload: rebuild vlan header on h_proto access
====================
Link: https://lore.kernel.org/r/20231004141405.28749-1-fw@strlen.de
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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https://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf-next
Florian Westphal says:
====================
netfilter updates for net-next
First patch, from myself, is a bug fix. The issue (connect timeout) is
ancient, so I think its safe to give this more soak time given the esoteric
conditions needed to trigger this.
Also updates the existing selftest to cover this.
Add netlink extacks when an update references a non-existent
table/chain/set. This allows userspace to provide much better
errors to the user, from Pablo Neira Ayuso.
Last patch adds more policy checks to nf_tables as a better
alternative to the existing runtime checks, from Phil Sutter.
* tag 'nf-next-23-09-28' of https://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf-next:
netfilter: nf_tables: Utilize NLA_POLICY_NESTED_ARRAY
netfilter: nf_tables: missing extended netlink error in lookup functions
selftests: netfilter: test nat source port clash resolution interaction with tcp early demux
netfilter: nf_nat: undo erroneous tcp edemux lookup after port clash
====================
Link: https://lore.kernel.org/r/20230928144916.18339-1-fw@strlen.de
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest
Pull kselftest fix from Shuah Khan:
"One single fix to Makefile to fix the incorrect TARGET name for uevent
test"
* tag 'linux-kselftest-fixes-6.6-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest:
selftests: Fix wrong TARGET in kselftest top level Makefile
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https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf
Daniel Borkmann says:
====================
pull-request: bpf 2023-10-02
We've added 11 non-merge commits during the last 12 day(s) which contain
a total of 12 files changed, 176 insertions(+), 41 deletions(-).
The main changes are:
1) Fix BPF verifier to reset backtrack_state masks on global function
exit as otherwise subsequent precision tracking would reuse them,
from Andrii Nakryiko.
2) Several sockmap fixes for available bytes accounting,
from John Fastabend.
3) Reject sk_msg egress redirects to non-TCP sockets given this
is only supported for TCP sockets today, from Jakub Sitnicki.
4) Fix a syzkaller splat in bpf_mprog when hitting maximum program
limits with BPF_F_BEFORE directive, from Daniel Borkmann
and Nikolay Aleksandrov.
5) Fix BPF memory allocator to use kmalloc_size_roundup() to adjust
size_index for selecting a bpf_mem_cache, from Hou Tao.
6) Fix arch_prepare_bpf_trampoline return code for s390 JIT,
from Song Liu.
7) Fix bpf_trampoline_get when CONFIG_BPF_JIT is turned off,
from Leon Hwang.
* tag 'for-netdev' of https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf:
bpf: Use kmalloc_size_roundup() to adjust size_index
selftest/bpf: Add various selftests for program limits
bpf, mprog: Fix maximum program check on mprog attachment
bpf, sockmap: Reject sk_msg egress redirects to non-TCP sockets
bpf, sockmap: Add tests for MSG_F_PEEK
bpf, sockmap: Do not inc copied_seq when PEEK flag set
bpf: tcp_read_skb needs to pop skb regardless of seq
bpf: unconditionally reset backtrack_state masks on global func exit
bpf: Fix tr dereferencing
selftests/bpf: Check bpf_cubic_acked() is called via struct_ops
s390/bpf: Let arch_prepare_bpf_trampoline return program size
====================
Link: https://lore.kernel.org/r/20231002113417.2309-1-daniel@iogearbox.net
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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When adding/updating an object, the transaction handler emits suitable
audit log entries already, the one in nft_obj_notify() is redundant. To
fix that (and retain the audit logging from objects' 'update' callback),
Introduce an "audit log free" variant for internal use.
Fixes: c520292f29b8 ("audit: log nftables configuration change events once per table")
Signed-off-by: Phil Sutter <phil@nwl.cc>
Reviewed-by: Richard Guy Briggs <rgb@redhat.com>
Acked-by: Paul Moore <paul@paul-moore.com> (Audit)
Signed-off-by: Florian Westphal <fw@strlen.de>
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Add tests for sets and elements and deletion of all kinds. Also
reorder rule reset tests: By moving the bulk rule add command up, the
two 'reset rules' tests become identical.
While at it, fix for a failing bulk rule add test's error status getting
lost due to its use in a pipe. Avoid this by using a temporary file.
Headings in diff output for failing tests contain no useful data, strip
them.
Signed-off-by: Phil Sutter <phil@nwl.cc>
Signed-off-by: Florian Westphal <fw@strlen.de>
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This patch adds a test case to reproduce the SCTP DATA chunk retransmission
timeout issue caused by the improper SCTP collision processing in netfilter
nf_conntrack_proto_sctp.
In this test, client sends a INIT chunk, but the INIT_ACK replied from
server is delayed until the server sends a INIT chunk to start a new
connection from its side. After the connection is complete from server
side, the delayed INIT_ACK arrives in nf_conntrack_proto_sctp.
The delayed INIT_ACK should be dropped in nf_conntrack_proto_sctp instead
of updating the vtag with the out-of-date init_tag, otherwise, the vtag
in DATA chunks later sent by client don't match the vtag in the conntrack
entry and the DATA chunks get dropped.
Signed-off-by: Xin Long <lucien.xin@gmail.com>
Signed-off-by: Florian Westphal <fw@strlen.de>
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key_serial_t fields are signed integers. Use nla_get/put_s32 for
those to avoid implicit signed conversion in the netlink protocol.
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://lore.kernel.org/r/169530167716.8905.645746457741372879.stgit@oracle-102.nfsv4bat.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Socket file descriptors are signed integers. Use nla_get/put_s32 for
those to avoid implicit signed conversion in the netlink protocol.
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://lore.kernel.org/r/169530165057.8905.8650469415145814828.stgit@oracle-102.nfsv4bat.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull misc fixes from Andrew Morton:
"Fourteen hotfixes, eleven of which are cc:stable. The remainder
pertain to issues which were introduced after 6.5"
* tag 'mm-hotfixes-stable-2023-10-01-08-34' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm:
Crash: add lock to serialize crash hotplug handling
selftests/mm: fix awk usage in charge_reserved_hugetlb.sh and hugetlb_reparenting_test.sh that may cause error
mm: mempolicy: keep VMA walk if both MPOL_MF_STRICT and MPOL_MF_MOVE are specified
mm/damon/vaddr-test: fix memory leak in damon_do_test_apply_three_regions()
mm, memcg: reconsider kmem.limit_in_bytes deprecation
mm: zswap: fix potential memory corruption on duplicate store
arm64: hugetlb: fix set_huge_pte_at() to work with all swap entries
mm: hugetlb: add huge page size param to set_huge_pte_at()
maple_tree: add MAS_UNDERFLOW and MAS_OVERFLOW states
maple_tree: add mas_is_active() to detect in-tree walks
nilfs2: fix potential use after free in nilfs_gccache_submit_read_data()
mm: abstract moving to the next PFN
mm: report success more often from filemap_map_folio_range()
fs: binfmt_elf_efpic: fix personality for ELF-FDPIC
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Some reads of inet->tos are racy.
Add needed READ_ONCE() annotations and convert IP_TOS option lockless.
v2: missing changes in include/net/route.h (David Ahern)
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: David Ahern <dsahern@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
Pull powerpc fixes from Michael Ellerman:
- Fix arch_stack_walk_reliable(), used by live patching
- Fix powerpc selftests to work with run_kselftest.sh
Thanks to Joe Lawrence and Petr Mladek.
* tag 'powerpc-6.6-3' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
selftests/powerpc: Fix emit_tests to work with run_kselftest.sh
powerpc/stacktrace: Fix arch_stack_walk_reliable()
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hugetlb_reparenting_test.sh that may cause error
According to the awk manual, the -e option does not need to be specified
in front of 'program' (unless you need to mix program-file).
The redundant -e option can cause error when users use awk tools other
than gawk (for example, mawk does not support the -e option).
Error Example:
awk: not an option: -e
Link: https://lkml.kernel.org/r/VI1P193MB075228810591AF2FDD7D42C599C3A@VI1P193MB0752.EURP193.PROD.OUTLOOK.COM
Signed-off-by: Juntong Deng <juntong.deng@outlook.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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Add various tests to check maximum number of supported programs
being attached:
# ./vmtest.sh -- ./test_progs -t tc_opts
[...]
./test_progs -t tc_opts
[ 1.185325] bpf_testmod: loading out-of-tree module taints kernel.
[ 1.186826] bpf_testmod: module verification failed: signature and/or required key missing - tainting kernel
[ 1.270123] tsc: Refined TSC clocksource calibration: 3407.988 MHz
[ 1.272428] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x311fc932722, max_idle_ns: 440795381586 ns
[ 1.276408] clocksource: Switched to clocksource tsc
#252 tc_opts_after:OK
#253 tc_opts_append:OK
#254 tc_opts_basic:OK
#255 tc_opts_before:OK
#256 tc_opts_chain_classic:OK
#257 tc_opts_chain_mixed:OK
#258 tc_opts_delete_empty:OK
#259 tc_opts_demixed:OK
#260 tc_opts_detach:OK
#261 tc_opts_detach_after:OK
#262 tc_opts_detach_before:OK
#263 tc_opts_dev_cleanup:OK
#264 tc_opts_invalid:OK
#265 tc_opts_max:OK <--- (new test)
#266 tc_opts_mixed:OK
#267 tc_opts_prepend:OK
#268 tc_opts_replace:OK
#269 tc_opts_revision:OK
Summary: 18/0 PASSED, 0 SKIPPED, 0 FAILED
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/20230929204121.20305-2-daniel@iogearbox.net
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Test that we can read with MSG_F_PEEK and then still get correct number
of available bytes through FIONREAD. The recv() (without PEEK) then
returns the bytes as expected. The recv() always worked though because
it was just the available byte reporting that was broke before latest
fixes.
Signed-off-by: John Fastabend <john.fastabend@gmail.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Reviewed-by: Jakub Sitnicki <jakub@cloudflare.com>
Link: https://lore.kernel.org/bpf/20230926035300.135096-4-john.fastabend@gmail.com
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tcp early demux
Test that nat engine resolves the source port clash and tcp packet
is passed to the correct socket.
While at it, get rid of the iperf3 dependency, just use socat for
listener side too.
Signed-off-by: Florian Westphal <fw@strlen.de>
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Update the documentation to reflect the changes made to tdc with regards
to minimal requirements and test definitions expectations.
Tested-by: Davide Caratti <dcaratti@redhat.com>
Signed-off-by: Pedro Tammela <pctammela@mojatatu.com>
Acked-by: Jamal Hadi Salim <jhs@mojatatu.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Use a Python process pool to run the tests in parallel.
Not all tests can run in parallel, for instance tests that are not
namespaced and tests that use netdevsim, as they can conflict with one
another.
The code logic will split the tests into serial and parallel.
For the parallel tests, we build batches of 32 tests and queue each
batch on the process pool. For the serial tests, they are queued as a
whole into the process pool, which in turn executes them concurrently
with the parallel tests.
Even though the tests serialize on rtnl_lock in the kernel, this feature
showed results with a ~3x speedup on the wall time for the entire test suite
running in a VM:
Before - 4m32.502s
After - 1m19.202s
Examples:
In order to run tdc using 4 processes:
./tdc.py -J4 <...>
In order to run tdc using 1 process:
./tdc.py -J1 <...> || ./tdc.py <...>
Note that the kernel configuration will affect the speed of the tests,
especially if such configuration slows down process creation and/or
fork().
Tested-by: Davide Caratti <dcaratti@redhat.com>
Signed-off-by: Pedro Tammela <pctammela@mojatatu.com>
Acked-by: Jamal Hadi Salim <jhs@mojatatu.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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With resources localized on a per test basis, some tests definitions
either contain redundant commands, were wrong or could be simplified.
Update all of them to match the new requirements.
Tested-by: Davide Caratti <dcaratti@redhat.com>
Signed-off-by: Pedro Tammela <pctammela@mojatatu.com>
Acked-by: Jamal Hadi Salim <jhs@mojatatu.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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As of today, the current tdc architecture creates one netns and uses it
to run all tests. This assumption was embedded into the nsPlugin which
carried over as how the tests were written.
The tdc tests are by definition self contained and can,
theoretically, run in parallel. Even though in the kernel they will
serialize over the rtnl lock, we should expect a significant speedup of the
total wall time for the entire test suite, which is hitting close to
1100 tests at this point.
A first step to achieve this goal is to remove sharing of global resources like
veth/dummy interfaces and the netns. In this patch we 'localize' these
resources on a per test basis. Each test gets it's own netns, VETH/dummy interfaces.
The resources are spawned in the pre_suite phase, where tdc will prepare
all netns and interfaces for all tests. This is done in order to avoid
concurrency issues with netns / interfaces spawning and commands using
them. As tdc progresses, the resources are deleted after each test finishes
executing.
Tests that don't use the nsPlugin still run under the root namespace,
but are now required to manage any external resources like interfaces.
These cannot be parallelized as their definition doesn't allow it.
On the other hand, when using the nsPlugin, tests don't need to create
dummy/veth interfaces as these are handled already.
Tested-by: Davide Caratti <dcaratti@redhat.com>
Signed-off-by: Pedro Tammela <pctammela@mojatatu.com>
Acked-by: Jamal Hadi Salim <jhs@mojatatu.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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The 'uevents' subdirectory does not exist in tools/testing/selftests/
and adding 'uevents' to the TARGETS list results in the following error:
make[1]: Entering directory 'xx/tools/testing/selftests/uevents'
make[1]: *** No targets specified and no makefile found. Stop.
make[1]: Leaving directory 'xx/tools/testing/selftests/uevents'
What actually exists in tools/testing/selftests/ is the 'uevent'
subdirectory.
Signed-off-by: Juntong Deng <juntong.deng@outlook.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest
Pull kselftest fix from Shuah Khan:
"One single fix to unmount tracefs when test created mount"
* tag 'linux-kselftest-fixes-6.6-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest:
selftests/user_events: Fix to unmount tracefs when test created mount
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git://git.kernel.org/pub/scm/linux/kernel/git/perf/perf-tools
Pull perf tools fixes from Namhyung Kim:
"Build:
- Update header files in the tools/**/include directory to sync with
the kernel sources as usual.
- Remove unused bpf-prologue files. While it's not strictly a fix,
but the functionality was removed in this cycle so better to get
rid of the code together.
- Other minor build fixes.
Misc:
- Fix uninitialized memory access in PMU parsing code
- Fix segfaults on software event"
* tag 'perf-tools-fixes-for-v6.6-1-2023-09-25' of git://git.kernel.org/pub/scm/linux/kernel/git/perf/perf-tools:
perf jevent: fix core dump on software events on s390
perf pmu: Ensure all alias variables are initialized
perf jevents metric: Fix type of strcmp_cpuid_str
perf trace: Avoid compile error wrt redefining bool
perf bpf-prologue: Remove unused file
tools headers UAPI: Update tools's copy of drm.h headers
tools arch x86: Sync the msr-index.h copy with the kernel sources
perf bench sched-seccomp-notify: Use the tools copy of seccomp.h UAPI
tools headers UAPI: Copy seccomp.h to be able to build 'perf bench' in older systems
tools headers UAPI: Sync files changed by new fchmodat2 and map_shadow_stack syscalls with the kernel sources
perf tools: Update copy of libbpf's hashmap.c
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Pull kvm fixes from Paolo Bonzini:
"ARM:
- Fix EL2 Stage-1 MMIO mappings where a random address was used
- Fix SMCCC function number comparison when the SVE hint is set
RISC-V:
- Fix KVM_GET_REG_LIST API for ISA_EXT registers
- Fix reading ISA_EXT register of a missing extension
- Fix ISA_EXT register handling in get-reg-list test
- Fix filtering of AIA registers in get-reg-list test
x86:
- Fixes for TSC_AUX virtualization
- Stop zapping page tables asynchronously, since we don't zap them as
often as before"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
KVM: SVM: Do not use user return MSR support for virtualized TSC_AUX
KVM: SVM: Fix TSC_AUX virtualization setup
KVM: SVM: INTERCEPT_RDTSCP is never intercepted anyway
KVM: x86/mmu: Stop zapping invalidated TDP MMU roots asynchronously
KVM: x86/mmu: Do not filter address spaces in for_each_tdp_mmu_root_yield_safe()
KVM: x86/mmu: Open code leaf invalidation from mmu_notifier
KVM: riscv: selftests: Selectively filter-out AIA registers
KVM: riscv: selftests: Fix ISA_EXT register handling in get-reg-list
RISC-V: KVM: Fix riscv_vcpu_get_isa_ext_single() for missing extensions
RISC-V: KVM: Fix KVM_GET_REG_LIST API for ISA_EXT registers
KVM: selftests: Assert that vasprintf() is successful
KVM: arm64: nvhe: Ignore SVE hint in SMCCC function ID
KVM: arm64: Properly return allocated EL2 VA from hyp_alloc_private_va_range()
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git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull misc fixes from Andrew Morton:
"13 hotfixes, 10 of which pertain to post-6.5 issues. The other three
are cc:stable"
* tag 'mm-hotfixes-stable-2023-09-23-10-31' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm:
proc: nommu: fix empty /proc/<pid>/maps
filemap: add filemap_map_order0_folio() to handle order0 folio
proc: nommu: /proc/<pid>/maps: release mmap read lock
mm: memcontrol: fix GFP_NOFS recursion in memory.high enforcement
pidfd: prevent a kernel-doc warning
argv_split: fix kernel-doc warnings
scatterlist: add missing function params to kernel-doc
selftests/proc: fixup proc-empty-vm test after KSM changes
revert "scripts/gdb/symbols: add specific ko module load command"
selftests: link libasan statically for tests with -fsanitize=address
task_work: add kerneldoc annotation for 'data' argument
mm: page_alloc: fix CMA and HIGHATOMIC landing on the wrong buddy list
sh: mm: re-add lost __ref to ioremap_prot() to fix modpost warning
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HEAD
KVM/riscv fixes for 6.6, take #1
- Fix KVM_GET_REG_LIST API for ISA_EXT registers
- Fix reading ISA_EXT register of a missing extension
- Fix ISA_EXT register handling in get-reg-list test
- Fix filtering of AIA registers in get-reg-list test
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If no CPU list is passed, timerlat in user-space will dispatch
one thread per sysconf(_SC_NPROCESSORS_CONF). However, not all
CPU might be available, for instance, if HT is disabled.
Currently, rtla timerlat is stopping the session if an user-space
thread cannot set affinity to a CPU, or if a running user-space
thread is killed. However, this is too restrictive.
So, reduce the error to a debug message, and rtla timerlat run as
long as there is at least one user-space thread alive.
Link: https://lore.kernel.org/lkml/59cf2c882900ab7de91c6ee33b382ac7fa6b4ed0.1694781909.git.bristot@kernel.org
Fixes: cdca4f4e5e8e ("rtla/timerlat_top: Add timerlat user-space support")
Signed-off-by: Daniel Bristot de Oliveira <bristot@kernel.org>
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