Source the ethtool library from the correct path and avoid the following
error:
./ethtool_lanes.sh: line 14: ./../../../net/forwarding/ethtool_lib.sh: No such file or directory
Fixes: 40d269c000 ("selftests: forwarding: Move several selftests")
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: Petr Machata <petrm@nvidia.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://patch.msgid.link/2112faff02e536e1ac14beb4c2be09c9574b90ae.1724150067.git.petrm@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This case was not covered, and the wrong ID was set before the previous
commit.
The rest is not modified, it is just that it will increase the code
coverage.
The right address ID can be verified by looking at the packet traces. We
could automate that using Netfilter with some cBPF code for example, but
that's always a bit cryptic. Packetdrill seems better fitted for that.
Fixes: 4f49d63352 ("selftests: mptcp: add fullmesh testcases")
Cc: stable@vger.kernel.org
Reviewed-by: Mat Martineau <martineau@kernel.org>
Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Link: https://patch.msgid.link/20240819-net-mptcp-pm-reusing-id-v1-13-38035d40de5b@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
After having flushed endpoints that didn't cause the creation of new
subflows, it is important to check endpoints can be re-created, re-using
previously used IDs.
Before the previous commit, the client would not have been able to
re-create the subflow that was previously rejected.
The 'Fixes' tag here below is the same as the one from the previous
commit: this patch here is not fixing anything wrong in the selftests,
but it validates the previous fix for an issue introduced by this commit
ID.
Fixes: 06faa22710 ("mptcp: remove multi addresses and subflows in PM")
Cc: stable@vger.kernel.org
Reviewed-by: Mat Martineau <martineau@kernel.org>
Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Link: https://patch.msgid.link/20240819-net-mptcp-pm-reusing-id-v1-6-38035d40de5b@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This test extends "delete and re-add" to validate the previous commit. A
new 'subflow' endpoint is added, but the subflow request will be
rejected. The result is that no subflow will be established from this
address.
Later, the endpoint is removed and re-added after having cleared the
firewall rule. Before the previous commit, the client would not have
been able to create this new subflow.
While at it, extra checks have been added to validate the expected
numbers of MPJ and RM_ADDR.
The 'Fixes' tag here below is the same as the one from the previous
commit: this patch here is not fixing anything wrong in the selftests,
but it validates the previous fix for an issue introduced by this commit
ID.
Fixes: b6c0838086 ("mptcp: remove addr and subflow in PM netlink")
Cc: stable@vger.kernel.org
Reviewed-by: Mat Martineau <martineau@kernel.org>
Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Link: https://patch.msgid.link/20240819-net-mptcp-pm-reusing-id-v1-4-38035d40de5b@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This test extends "delete re-add signal" to validate the previous
commit. An extra address is announced by the server, but this address
cannot be used by the client. The result is that no subflow will be
established to this address.
Later, the server will delete this extra endpoint, and set a new one,
with a valid address, but re-using the same ID. Before the previous
commit, the server would not have been able to announce this new
address.
While at it, extra checks have been added to validate the expected
numbers of MPJ, ADD_ADDR and RM_ADDR.
The 'Fixes' tag here below is the same as the one from the previous
commit: this patch here is not fixing anything wrong in the selftests,
but it validates the previous fix for an issue introduced by this commit
ID.
Fixes: b6c0838086 ("mptcp: remove addr and subflow in PM netlink")
Cc: stable@vger.kernel.org
Reviewed-by: Mat Martineau <martineau@kernel.org>
Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Link: https://patch.msgid.link/20240819-net-mptcp-pm-reusing-id-v1-2-38035d40de5b@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
After commit d7db7775ea ("net: veth: do not manipulate GRO when using
XDP"), there is no need to load XDP program to enable GRO. On the other
hand, the current test is failed due to loading the XDP program. e.g.
# selftests: net: udpgro.sh
# ipv4
# no GRO ok
# no GRO chk cmsg ok
# GRO ./udpgso_bench_rx: recv: bad packet len, got 1472, expected 14720
#
# failed
[...]
# bad GRO lookup ok
# multiple GRO socks ./udpgso_bench_rx: recv: bad packet len, got 1452, expected 14520
#
# ./udpgso_bench_rx: recv: bad packet len, got 1452, expected 14520
#
# failed
ok 1 selftests: net: udpgro.sh
After fix, all the test passed.
# ./udpgro.sh
ipv4
no GRO ok
[...]
multiple GRO socks ok
Fixes: d7db7775ea ("net: veth: do not manipulate GRO when using XDP")
Reported-by: Yi Chen <yiche@redhat.com>
Closes: https://issues.redhat.com/browse/RHEL-53858
Reviewed-by: Toke Høiland-Jørgensen <toke@redhat.com>
Acked-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Hangbin Liu <liuhangbin@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Currently, we only check the latest senders's exit code. If the receiver
report failed, it is not recoreded. Fix it by checking the exit code
of all the involved processes.
Before:
bad GRO lookup ok
multiple GRO socks ./udpgso_bench_rx: recv: bad packet len, got 1452, expected 14520
./udpgso_bench_rx: recv: bad packet len, got 1452, expected 14520
failed
$ echo $?
0
After:
bad GRO lookup ok
multiple GRO socks ./udpgso_bench_rx: recv: bad packet len, got 1452, expected 14520
./udpgso_bench_rx: recv: bad packet len, got 1452, expected 14520
failed
$ echo $?
1
Fixes: 3327a9c463 ("selftests: add functionals test for UDP GRO")
Suggested-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Hangbin Liu <liuhangbin@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Since commit 255c1c7279 ("tc-testing: Allow test cases to be skipped")
the variable test_ordinal doesn't exist in call_pre_case().
So it should not be accessed when an exception occurs.
This resolves the following splat:
...
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File ".../tdc.py", line 1028, in <module>
main()
File ".../tdc.py", line 1022, in main
set_operation_mode(pm, parser, args, remaining)
File ".../tdc.py", line 966, in set_operation_mode
catresults = test_runner_serial(pm, args, alltests)
File ".../tdc.py", line 642, in test_runner_serial
(index, tsr) = test_runner(pm, args, alltests)
File ".../tdc.py", line 536, in test_runner
res = run_one_test(pm, args, index, tidx)
File ".../tdc.py", line 419, in run_one_test
pm.call_pre_case(tidx)
File ".../tdc.py", line 146, in call_pre_case
print('test_ordinal is {}'.format(test_ordinal))
NameError: name 'test_ordinal' is not defined
Fixes: 255c1c7279 ("tc-testing: Allow test cases to be skipped")
Signed-off-by: Simon Horman <horms@kernel.org>
Acked-by: Jamal Hadi Salim <jhs@mojatatu.com>
Link: https://patch.msgid.link/20240815-tdc-test-ordinal-v1-1-0255c122a427@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The bridge VLAN implementation w.r.t. VLAN protocol is described in
merge commit 1a0b20b257 ("Merge branch 'bridge-next'"). We are only
sensitive to those VLAN tags whose TPID is equal to the bridge's
vlan_protocol. Thus, an 802.1ad VLAN should be treated as 802.1Q-untagged.
Add 3 tests which validate that:
- 802.1ad-tagged traffic is learned into the PVID of an 802.1Q-aware
bridge
- Double-tagged traffic is forwarded when just the PVID of the port is
present in the VLAN group of the ports
- Double-tagged traffic is not forwarded when the PVID of the port is
absent from the VLAN group of the ports
The test passes with both veth and ocelot.
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Reviewed-by: Ido Schimmel <idosch@nvidia.com>
Tested-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
A breakage in the felix DSA driver shows we do not have enough test
coverage. More generally, it is sufficiently special that it is likely
drivers will treat it differently.
This is not meant to be a full PTP test, it just makes sure that PTP
packets sent to the different addresses corresponding to their profiles
are received correctly. The local_termination selftest seemed like the
most appropriate place for this addition.
PTP RX/TX in some cases makes no sense (over a bridge) and this is why
$skip_ptp exists. And in others - PTP over a bridge port - the IP stack
needs convincing through the available bridge netfilter hooks to leave
the PTP packets alone and not stolen by the bridge rx_handler. It is
safe to assume that users have that figured out already. This is a
driver level test, and by using tcpdump, all that extra setup is out of
scope here.
send_non_ip() was an unfinished idea; written but never used.
Replace it with a more generic send_raw(), and send 3 PTP packet types
times 3 transports.
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
xfail_on_veth() for this test is an incorrect approximation which gives
false positives and false negatives.
When local_termination fails with "reception succeeded, but should have failed",
it is because the DUT ($h2) accepts packets even when not configured as
promiscuous. This is not something specific to veth; even the bridge
behaves that way, but this is not captured by the xfail_on_veth test.
The IFF_UNICAST_FLT flag is not explicitly exported to user space, but
it can somewhat be determined from the interface's behavior. We have to
create a macvlan upper with a different MAC address. This forces a
dev_uc_add() call in the kernel. When the unicast filtering list is
not empty, but the device doesn't support IFF_UNICAST_FLT,
__dev_set_rx_mode() force-enables promiscuity on the interface, to
ensure correct behavior (that the requested address is received).
We can monitor the change in the promiscuity flag and infer from it
whether the device supports unicast filtering.
There is no equivalent thing for allmulti, unfortunately. We never know
what's hiding behind a device which has allmulti=off. Whether it will
actually perform RX multicast filtering of unknown traffic is a strong
"maybe". The bridge driver, for example, completely ignores the flag.
We'll have to keep the xfail behavior, but instead of XFAIL on just
veth, always XFAIL.
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Add more coverage to the local termination selftest as follows:
- 8021q upper of $h2
- 8021q upper of $h2, where $h2 is a port of a VLAN-unaware bridge
- 8021q upper of $h2, where $h2 is a port of a VLAN-aware bridge
- 8021q upper of VLAN-unaware br0, which is the upper of $h2
- 8021q upper of VLAN-aware br0, which is the upper of $h2
Especially the cases with traffic sent through the VLAN upper of a
VLAN-aware bridge port will be immediately relevant when we will start
transmitting PTP packets as an additional kind of traffic.
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The current bridge() test is for packet reception on a VLAN-unaware
bridge. Some things are different enough with VLAN-aware bridges that
it's worth renaming this test into vlan_unaware_bridge(), and add a new
vlan_aware_bridge() test.
The two will share the same implementation: bridge() becomes a common
function, which receives $vlan_filtering as an argument. Rename it to
test_bridge() at the same time, because just bridge() pollutes the
global namespace and we cannot invoke the binary with the same name from
the iproute2 package currently.
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
There are upcoming tests which verify the RX filtering of a bridge
(or bridge port), but under differing vlan_filtering conditions.
Since we currently print $h2 (the DUT) in the log_test() output, it
becomes necessary to make a further distinction between tests, to not
give the user the impression that the exact same thing is run twice.
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
In future changes we will want to subject the DUT, $h2, to additional
VLAN-tagged traffic. For that, we need to run the tests using $h1.100 as
a sending interface, rather than the currently hardcoded $h1.
Add a parameter to run_test() and modify its 2 callers to explicitly
pass $h1, as was implicit before.
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This will be used in other subtests as well; make new macvlan_create()
and macvlan_destroy() functions.
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Current release - regressions:
- udp: fall back to software USO if IPv6 extension headers are present
- wifi: iwlwifi: correctly lookup DMA address in SG table
Current release - new code bugs:
- eth: mlx5e: fix queue stats access to non-existing channels splat
Previous releases - regressions:
- eth: mlx5e: take state lock during tx timeout reporter
- eth: mlxbf_gige: disable RX filters until RX path initialized
- eth: igc: fix reset adapter logics when tx mode change
Previous releases - always broken:
- tcp: update window clamping condition
- netfilter:
- nf_queue: drop packets with cloned unconfirmed conntracks
- nf_tables: Add locking for NFT_MSG_GETOBJ_RESET requests
- vsock: fix recursive ->recvmsg calls
- dsa: vsc73xx: fix MDIO bus access and PHY opera
- eth: gtp: pull network headers in gtp_dev_xmit()
- eth: igc: fix packet still tx after gate close by reducing i226 MAC retry buffer
- eth: mana: fix RX buf alloc_size alignment and atomic op panic
- eth: hns3: fix a deadlock problem when config TC during resetting
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Merge tag 'net-6.11-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Paolo Abeni:
"Including fixes from wireless and netfilter
Current release - regressions:
- udp: fall back to software USO if IPv6 extension headers are
present
- wifi: iwlwifi: correctly lookup DMA address in SG table
Current release - new code bugs:
- eth: mlx5e: fix queue stats access to non-existing channels splat
Previous releases - regressions:
- eth: mlx5e: take state lock during tx timeout reporter
- eth: mlxbf_gige: disable RX filters until RX path initialized
- eth: igc: fix reset adapter logics when tx mode change
Previous releases - always broken:
- tcp: update window clamping condition
- netfilter:
- nf_queue: drop packets with cloned unconfirmed conntracks
- nf_tables: Add locking for NFT_MSG_GETOBJ_RESET requests
- vsock: fix recursive ->recvmsg calls
- dsa: vsc73xx: fix MDIO bus access and PHY opera
- eth: gtp: pull network headers in gtp_dev_xmit()
- eth: igc: fix packet still tx after gate close by reducing i226 MAC
retry buffer
- eth: mana: fix RX buf alloc_size alignment and atomic op panic
- eth: hns3: fix a deadlock problem when config TC during resetting"
* tag 'net-6.11-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (58 commits)
net: hns3: use correct release function during uninitialization
net: hns3: void array out of bound when loop tnl_num
net: hns3: fix a deadlock problem when config TC during resetting
net: hns3: use the user's cfg after reset
net: hns3: fix wrong use of semaphore up
selftests: net: lib: kill PIDs before del netns
pse-core: Conditionally set current limit during PI regulator registration
net: thunder_bgx: Fix netdev structure allocation
net: ethtool: Allow write mechanism of LPL and both LPL and EPL
vsock: fix recursive ->recvmsg calls
selftest: af_unix: Fix kselftest compilation warnings
netfilter: nf_tables: Add locking for NFT_MSG_GETOBJ_RESET requests
netfilter: nf_tables: Introduce nf_tables_getobj_single
netfilter: nf_tables: Audit log dump reset after the fact
selftests: netfilter: add test for br_netfilter+conntrack+queue combination
netfilter: nf_queue: drop packets with cloned unconfirmed conntracks
netfilter: flowtable: initialise extack before use
netfilter: nfnetlink: Initialise extack before use in ACKs
netfilter: allow ipv6 fragments to arrive on different devices
tcp: Update window clamping condition
...
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Merge tag 'nf-24-08-15' of git://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf
Pablo Neira Ayuso says:
====================
Netfilter fixes for net
The following patchset contains Netfilter fixes for net:
1) Ignores ifindex for types other than mcast/linklocal in ipv6 frag
reasm, from Tom Hughes.
2) Initialize extack for begin/end netlink message marker in batch,
from Donald Hunter.
3) Initialize extack for flowtable offload support, also from Donald.
4) Dropped packets with cloned unconfirmed conntracks in nfqueue,
later it should be possible to explore lookup after reinject but
Florian prefers this approach at this stage. From Florian Westphal.
5) Add selftest for cloned unconfirmed conntracks in nfqueue for
previous update.
6) Audit after filling netlink header successfully in object dump,
from Phil Sutter.
7-8) Fix concurrent dump and reset which could result in underflow
counter / quota objects.
netfilter pull request 24-08-15
* tag 'nf-24-08-15' of git://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf:
netfilter: nf_tables: Add locking for NFT_MSG_GETOBJ_RESET requests
netfilter: nf_tables: Introduce nf_tables_getobj_single
netfilter: nf_tables: Audit log dump reset after the fact
selftests: netfilter: add test for br_netfilter+conntrack+queue combination
netfilter: nf_queue: drop packets with cloned unconfirmed conntracks
netfilter: flowtable: initialise extack before use
netfilter: nfnetlink: Initialise extack before use in ACKs
netfilter: allow ipv6 fragments to arrive on different devices
====================
Link: https://patch.msgid.link/20240814222042.150590-1-pablo@netfilter.org
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
When deleting netns, it is possible to still have some tasks running,
e.g. background tasks like tcpdump running in the background, not
stopped because the test has been interrupted.
Before deleting the netns, it is then safer to kill all attached PIDs,
if any. That should reduce some noises after the end of some tests, and
help with the debugging of some issues. That's why this modification is
seen as a "fix".
Fixes: 25ae948b44 ("selftests/net: add lib.sh")
Acked-by: Mat Martineau <martineau@kernel.org>
Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Acked-by: Florian Westphal <fw@strlen.de>
Reviewed-by: Hangbin Liu <liuhangbin@gmail.com>
Link: https://patch.msgid.link/20240813-upstream-net-20240813-selftests-net-lib-kill-v1-1-27b689b248b8@kernel.org
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Change expected_buf from (const void *) to (const char *)
in function __recvpair().
This change fixes the below warnings during test compilation:
```
In file included from msg_oob.c:14:
msg_oob.c: In function ‘__recvpair’:
../../kselftest_harness.h:106:40: warning: format ‘%s’ expects argument
of type ‘char *’,but argument 6 has type ‘const void *’ [-Wformat=]
../../kselftest_harness.h:101:17: note: in expansion of macro ‘__TH_LOG’
msg_oob.c:235:17: note: in expansion of macro ‘TH_LOG’
../../kselftest_harness.h:106:40: warning: format ‘%s’ expects argument
of type ‘char *’,but argument 6 has type ‘const void *’ [-Wformat=]
../../kselftest_harness.h:101:17: note: in expansion of macro ‘__TH_LOG’
msg_oob.c:259:25: note: in expansion of macro ‘TH_LOG’
```
Fixes: d098d77232 ("selftest: af_unix: Add msg_oob.c.")
Signed-off-by: Abhinav Jain <jain.abhinav177@gmail.com>
Reviewed-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Link: https://patch.msgid.link/20240814080743.1156166-1-jain.abhinav177@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Trigger cloned skbs leaving softirq protection.
This triggers splat without the preceeding change
("netfilter: nf_queue: drop packets with cloned unconfirmed
conntracks"):
WARNING: at net/netfilter/nf_conntrack_core.c:1198 __nf_conntrack_confirm..
because local delivery and forwarding will race for confirmation.
Based on a reproducer script from Yi Chen.
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
* Fix failure to start guests with kvm.use_gisa=0
* Panic if (un)share fails to maintain security.
ARM:
* Use kvfree() for the kvmalloc'd nested MMUs array
* Set of fixes to address warnings in W=1 builds
* Make KVM depend on assembler support for ARMv8.4
* Fix for vgic-debug interface for VMs without LPIs
* Actually check ID_AA64MMFR3_EL1.S1PIE in get-reg-list selftest
* Minor code / comment cleanups for configuring PAuth traps
* Take kvm->arch.config_lock to prevent destruction / initialization
race for a vCPU's CPUIF which may lead to a UAF
x86:
* Disallow read-only memslots for SEV-ES and SEV-SNP (and TDX)
* Fix smatch issues
* Small cleanups
* Make x2APIC ID 100% readonly
* Fix typo in uapi constant
Generic:
* Use synchronize_srcu_expedited() on irqfd shutdown
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
Pull kvm fixes from Paolo Bonzini:
"s390:
- Fix failure to start guests with kvm.use_gisa=0
- Panic if (un)share fails to maintain security.
ARM:
- Use kvfree() for the kvmalloc'd nested MMUs array
- Set of fixes to address warnings in W=1 builds
- Make KVM depend on assembler support for ARMv8.4
- Fix for vgic-debug interface for VMs without LPIs
- Actually check ID_AA64MMFR3_EL1.S1PIE in get-reg-list selftest
- Minor code / comment cleanups for configuring PAuth traps
- Take kvm->arch.config_lock to prevent destruction / initialization
race for a vCPU's CPUIF which may lead to a UAF
x86:
- Disallow read-only memslots for SEV-ES and SEV-SNP (and TDX)
- Fix smatch issues
- Small cleanups
- Make x2APIC ID 100% readonly
- Fix typo in uapi constant
Generic:
- Use synchronize_srcu_expedited() on irqfd shutdown"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (21 commits)
KVM: SEV: uapi: fix typo in SEV_RET_INVALID_CONFIG
KVM: x86: Disallow read-only memslots for SEV-ES and SEV-SNP (and TDX)
KVM: eventfd: Use synchronize_srcu_expedited() on shutdown
KVM: selftests: Add a testcase to verify x2APIC is fully readonly
KVM: x86: Make x2APIC ID 100% readonly
KVM: x86: Use this_cpu_ptr() instead of per_cpu_ptr(smp_processor_id())
KVM: x86: hyper-v: Remove unused inline function kvm_hv_free_pa_page()
KVM: SVM: Fix an error code in sev_gmem_post_populate()
KVM: SVM: Fix uninitialized variable bug
KVM: arm64: vgic: Hold config_lock while tearing down a CPU interface
KVM: selftests: arm64: Correct feature test for S1PIE in get-reg-list
KVM: arm64: Tidying up PAuth code in KVM
KVM: arm64: vgic-debug: Exit the iterator properly w/o LPI
KVM: arm64: Enforce dependency on an ARMv8.4-aware toolchain
s390/uv: Panic for set and remove shared access UVC errors
KVM: s390: fix validity interception issue when gisa is switched off
docs: KVM: Fix register ID of SPSR_FIQ
KVM: arm64: vgic: fix unexpected unlock sparse warnings
KVM: arm64: fix kdoc warnings in W=1 builds
KVM: arm64: fix override-init warnings in W=1 builds
...
Add a test to verify that userspace can't change a vCPU's x2APIC ID by
abusing KVM_SET_LAPIC. KVM models the x2APIC ID (and x2APIC LDR) as
readonly, and silently ignores userspace attempts to change the x2APIC ID
for backwards compatibility.
Signed-off-by: Michal Luczaj <mhal@rbox.co>
[sean: write changelog, add to existing test]
Signed-off-by: Sean Christopherson <seanjc@google.com>
Message-ID: <20240802202941.344889-3-seanjc@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
- Use kvfree() for the kvmalloc'd nested MMUs array
- Set of fixes to address warnings in W=1 builds
- Make KVM depend on assembler support for ARMv8.4
- Fix for vgic-debug interface for VMs without LPIs
- Actually check ID_AA64MMFR3_EL1.S1PIE in get-reg-list selftest
- Minor code / comment cleanups for configuring PAuth traps
- Take kvm->arch.config_lock to prevent destruction / initialization
race for a vCPU's CPUIF which may lead to a UAF
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Merge tag 'kvmarm-fixes-6.11-1' of git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into HEAD
KVM/arm64 fixes for 6.11, round #1
- Use kvfree() for the kvmalloc'd nested MMUs array
- Set of fixes to address warnings in W=1 builds
- Make KVM depend on assembler support for ARMv8.4
- Fix for vgic-debug interface for VMs without LPIs
- Actually check ID_AA64MMFR3_EL1.S1PIE in get-reg-list selftest
- Minor code / comment cleanups for configuring PAuth traps
- Take kvm->arch.config_lock to prevent destruction / initialization
race for a vCPU's CPUIF which may lead to a UAF
A selftest is added such that without the previous patch,
a crash can happen. With the previous patch, the test can
run successfully. The new test is written in a way which
mimics original crash case:
main_prog
static_prog_1
static_prog_2
where static_prog_1 has different paths to static_prog_2
and some path has stack allocated and some other path
does not. A stacksafe() checking in static_prog_2()
triggered the crash.
Signed-off-by: Yonghong Song <yonghong.song@linux.dev>
Link: https://lore.kernel.org/r/20240812214852.214037-1-yonghong.song@linux.dev
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
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Merge tag 'pull-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull fd bitmap fix from Al Viro:
"Fix bitmap corruption on close_range() by cleaning up
copy_fd_bitmaps()"
* tag 'pull-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
fix bitmap corruption on close_range() with CLOSE_RANGE_UNSHARE
After enabling UDP GSO for devices not offering checksum offload, we have
hit a regression where a bad offload warning can be triggered when sending
a datagram with IPv6 extension headers.
Extend the UDP GSO IPv6 tests to cover this scenario.
Reviewed-by: Willem de Bruijn <willemb@google.com>
Signed-off-by: Jakub Sitnicki <jakub@cloudflare.com>
Link: https://patch.msgid.link/20240808-udp-gso-egress-from-tunnel-v4-3-f5c5b4149ab9@cloudflare.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Current release - regressions:
- eth: bnxt_en: fix memory out-of-bounds in bnxt_fill_hw_rss_tbl()
on older chips
Current release - new code bugs:
- ethtool: fix off-by-one error / kdoc contradicting the code
for max RSS context IDs
- Bluetooth: hci_qca:
- QCA6390: fix support on non-DT platforms
- QCA6390: don't call pwrseq_power_off() twice
- fix a NULL-pointer derefence at shutdown
- eth: ice: fix incorrect assigns of FEC counters
Previous releases - regressions:
- mptcp: fix handling endpoints with both 'signal' and 'subflow'
flags set
- virtio-net: fix changing ring count when vq IRQ coalescing not
supported
- eth: gve: fix use of netif_carrier_ok() during reconfig / reset
Previous releases - always broken:
- eth: idpf: fix bugs in queue re-allocation on reconfig / reset
- ethtool: fix context creation with no parameters
Misc:
- linkwatch: use system_unbound_wq to ease RTNL contention
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-6.11-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Jakub Kicinski:
"Including fixes from bluetooth.
Current release - regressions:
- eth: bnxt_en: fix memory out-of-bounds in bnxt_fill_hw_rss_tbl() on
older chips
Current release - new code bugs:
- ethtool: fix off-by-one error / kdoc contradicting the code for max
RSS context IDs
- Bluetooth: hci_qca:
- QCA6390: fix support on non-DT platforms
- QCA6390: don't call pwrseq_power_off() twice
- fix a NULL-pointer derefence at shutdown
- eth: ice: fix incorrect assigns of FEC counters
Previous releases - regressions:
- mptcp: fix handling endpoints with both 'signal' and 'subflow'
flags set
- virtio-net: fix changing ring count when vq IRQ coalescing not
supported
- eth: gve: fix use of netif_carrier_ok() during reconfig / reset
Previous releases - always broken:
- eth: idpf: fix bugs in queue re-allocation on reconfig / reset
- ethtool: fix context creation with no parameters
Misc:
- linkwatch: use system_unbound_wq to ease RTNL contention"
* tag 'net-6.11-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (41 commits)
net: dsa: microchip: disable EEE for KSZ8567/KSZ9567/KSZ9896/KSZ9897.
ethtool: Fix context creation with no parameters
net: ethtool: fix off-by-one error in max RSS context IDs
net: pse-pd: tps23881: include missing bitfield.h header
net: fec: Stop PPS on driver remove
net: bcmgenet: Properly overlay PHY and MAC Wake-on-LAN capabilities
l2tp: fix lockdep splat
net: stmmac: dwmac4: fix PCS duplex mode decode
idpf: fix UAFs when destroying the queues
idpf: fix memleak in vport interrupt configuration
idpf: fix memory leaks and crashes while performing a soft reset
bnxt_en : Fix memory out-of-bounds in bnxt_fill_hw_rss_tbl()
net: dsa: bcm_sf2: Fix a possible memory leak in bcm_sf2_mdio_register()
net/smc: add the max value of fallback reason count
Bluetooth: hci_sync: avoid dup filtering when passive scanning with adv monitor
Bluetooth: l2cap: always unlock channel in l2cap_conless_channel()
Bluetooth: hci_qca: fix a NULL-pointer derefence at shutdown
Bluetooth: hci_qca: fix QCA6390 support on non-DT platforms
Bluetooth: hci_qca: don't call pwrseq_power_off() twice for QCA6390
ice: Fix incorrect assigns of FEC counts
...
aren't considered necessary for earlier kernels. 5 are MM and 4 are
non-MM. No identifiable theme here - please see the individual changelogs.
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Merge tag 'mm-hotfixes-stable-2024-08-07-18-32' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull misc fixes from Andrew Morton:
"Nine hotfixes. Five are cc:stable, the others either pertain to
post-6.10 material or aren't considered necessary for earlier kernels.
Five are MM and four are non-MM. No identifiable theme here - please
see the individual changelogs"
* tag 'mm-hotfixes-stable-2024-08-07-18-32' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm:
padata: Fix possible divide-by-0 panic in padata_mt_helper()
mailmap: update entry for David Heidelberg
memcg: protect concurrent access to mem_cgroup_idr
mm: shmem: fix incorrect aligned index when checking conflicts
mm: shmem: avoid allocating huge pages larger than MAX_PAGECACHE_ORDER for shmem
mm: list_lru: fix UAF for memory cgroup
kcov: properly check for softirq context
MAINTAINERS: Update LTP members and web
selftests: mm: add s390 to ARCH check
commit 0518dbe97f ("selftests/mm: fix cross compilation with LLVM")
changed the env variable for the architecture from MACHINE to ARCH.
This is preventing 3 required TEST_GEN_FILES from being included when
cross compiling s390x and errors when trying to run the test suite. This
is due to the ARCH variable already being set and the arch folder name
being s390.
Add "s390" to the filtered list to cover this case and have the 3 files
included in the build.
Link: https://lkml.kernel.org/r/20240724213517.23918-1-npache@redhat.com
Fixes: 0518dbe97f ("selftests/mm: fix cross compilation with LLVM")
Signed-off-by: Nico Pache <npache@redhat.com>
Cc: Mark Brown <broonie@kernel.org>
Cc: Albert Ou <aou@eecs.berkeley.edu>
Cc: Palmer Dabbelt <palmer@dabbelt.com>
Cc: Paul Walmsley <paul.walmsley@sifive.com>
Cc: Shuah Khan <shuah@kernel.org>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
The ID register for S1PIE is ID_AA64MMFR3_EL1.S1PIE which is bits 11:8 but
get-reg-list uses a shift of 4, checking SCTLRX instead. Use a shift of 8
instead.
Fixes: 5f0419a008 ("KVM: selftests: get-reg-list: add Permission Indirection registers")
Signed-off-by: Mark Brown <broonie@kernel.org>
Reviewed-by: Joey Gouly <joey.gouly@arm.com>
Link: https://lore.kernel.org/r/20240731-kvm-arm64-fix-s1pie-test-v1-1-a9253f3b7db4@kernel.org
Signed-off-by: Oliver Upton <oliver.upton@linux.dev>
copy_fd_bitmaps(new, old, count) is expected to copy the first
count/BITS_PER_LONG bits from old->full_fds_bits[] and fill
the rest with zeroes. What it does is copying enough words
(BITS_TO_LONGS(count/BITS_PER_LONG)), then memsets the rest.
That works fine, *if* all bits past the cutoff point are
clear. Otherwise we are risking garbage from the last word
we'd copied.
For most of the callers that is true - expand_fdtable() has
count equal to old->max_fds, so there's no open descriptors
past count, let alone fully occupied words in ->open_fds[],
which is what bits in ->full_fds_bits[] correspond to.
The other caller (dup_fd()) passes sane_fdtable_size(old_fdt, max_fds),
which is the smallest multiple of BITS_PER_LONG that covers all
opened descriptors below max_fds. In the common case (copying on
fork()) max_fds is ~0U, so all opened descriptors will be below
it and we are fine, by the same reasons why the call in expand_fdtable()
is safe.
Unfortunately, there is a case where max_fds is less than that
and where we might, indeed, end up with junk in ->full_fds_bits[] -
close_range(from, to, CLOSE_RANGE_UNSHARE) with
* descriptor table being currently shared
* 'to' being above the current capacity of descriptor table
* 'from' being just under some chunk of opened descriptors.
In that case we end up with observably wrong behaviour - e.g. spawn
a child with CLONE_FILES, get all descriptors in range 0..127 open,
then close_range(64, ~0U, CLOSE_RANGE_UNSHARE) and watch dup(0) ending
up with descriptor #128, despite #64 being observably not open.
The minimally invasive fix would be to deal with that in dup_fd().
If this proves to add measurable overhead, we can go that way, but
let's try to fix copy_fd_bitmaps() first.
* new helper: bitmap_copy_and_expand(to, from, bits_to_copy, size).
* make copy_fd_bitmaps() take the bitmap size in words, rather than
bits; it's 'count' argument is always a multiple of BITS_PER_LONG,
so we are not losing any information, and that way we can use the
same helper for all three bitmaps - compiler will see that count
is a multiple of BITS_PER_LONG for the large ones, so it'll generate
plain memcpy()+memset().
Reproducer added to tools/testing/selftests/core/close_range_test.c
Cc: stable@vger.kernel.org
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This kselftest fixes update consists of a single fix to the conditional
in ksft.py script which incorrectly flags a test suite failed when there
are skipped tests in the mix. The logic is fixed to take skipped tests
into account and report the test as passed.
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Merge tag 'linux_kselftest-fixes-6.11-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest
Pull kselftest fix from Shuah Khan:
"A single fix to the conditional in ksft.py script which incorrectly
flags a test suite failed when there are skipped tests in the mix.
The logic is fixed to take skipped tests into account and report the
test as passed"
* tag 'linux_kselftest-fixes-6.11-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest:
selftests: ksft: Fix finished() helper exit code on skipped tests
confidential VMs
* fix "underline too short" in docs
* eliminate log spam from limited APIC timer periods
* disallow pre-faulting of memory before SEV-SNP VMs are initialized
* delay clearing and encrypting private memory until it is added to
guest page tables
* this change also enables another small cleanup: the checks in
SNP_LAUNCH_UPDATE that limit it to non-populated, private pages
can now be moved in the common kvm_gmem_populate() function
* fix compilation error that the RISC-V merge introduced in selftests
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
Pull kvm updates from Paolo Bonzini:
"The bulk of the changes here is a largish change to guest_memfd,
delaying the clearing and encryption of guest-private pages until they
are actually added to guest page tables. This started as "let's make
it impossible to misuse the API" for SEV-SNP; but then it ballooned a
bit.
The new logic is generally simpler and more ready for hugepage support
in guest_memfd.
Summary:
- fix latent bug in how usage of large pages is determined for
confidential VMs
- fix "underline too short" in docs
- eliminate log spam from limited APIC timer periods
- disallow pre-faulting of memory before SEV-SNP VMs are initialized
- delay clearing and encrypting private memory until it is added to
guest page tables
- this change also enables another small cleanup: the checks in
SNP_LAUNCH_UPDATE that limit it to non-populated, private pages can
now be moved in the common kvm_gmem_populate() function
- fix compilation error that the RISC-V merge introduced in selftests"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
KVM: x86/mmu: fix determination of max NPT mapping level for private pages
KVM: riscv: selftests: Fix compile error
KVM: guest_memfd: abstract how prepared folios are recorded
KVM: guest_memfd: let kvm_gmem_populate() operate only on private gfns
KVM: extend kvm_range_has_memory_attributes() to check subset of attributes
KVM: cleanup and add shortcuts to kvm_range_has_memory_attributes()
KVM: guest_memfd: move check for already-populated page to common code
KVM: remove kvm_arch_gmem_prepare_needed()
KVM: guest_memfd: make kvm_gmem_prepare_folio() operate on a single struct kvm
KVM: guest_memfd: delay kvm_gmem_prepare_folio() until the memory is passed to the guest
KVM: guest_memfd: return locked folio from __kvm_gmem_get_pfn
KVM: rename CONFIG_HAVE_KVM_GMEM_* to CONFIG_HAVE_KVM_ARCH_GMEM_*
KVM: guest_memfd: do not go through struct page
KVM: guest_memfd: delay folio_mark_uptodate() until after successful preparation
KVM: guest_memfd: return folio from __kvm_gmem_get_pfn()
KVM: x86: disallow pre-fault for SNP VMs before initialization
KVM: Documentation: Fix title underline too short warning
KVM: x86: Eliminate log spam from limited APIC timer periods
* A fix to avoid dropping some of the internal pseudo-extensions, which
breaks *envcfg dependency parsing.
* The kernel entry address is now aligned in purgatory, which avoids a
misaligned load that can lead to crash on systems that don't support
misaligned accesses early in boot.
* The FW_SFENCE_VMA_RECEIVED perf event was duplicated in a handful of
perf JSON configurations, one of them been updated to
FW_SFENCE_VMA_ASID_SENT.
* The starfive cache driver is now restricted to 64-bit systems, as it
isn't 32-bit clean.
* A fix for to avoid aliasing legacy-mode perf counters with software
perf counters.
* VM_FAULT_SIGSEGV is now handled in the page fault code.
* A fix for stalls during CPU hotplug due to IPIs being disabled.
* A fix for memblock bounds checking. This manifests as a crash on
systems with discontinuous memory maps that have regions that don't
fit in the linear map.
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Merge tag 'riscv-for-linus-6.11-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux
Pull RISC-V fixes from Palmer Dabbelt:
- A fix to avoid dropping some of the internal pseudo-extensions, which
breaks *envcfg dependency parsing
- The kernel entry address is now aligned in purgatory, which avoids a
misaligned load that can lead to crash on systems that don't support
misaligned accesses early in boot
- The FW_SFENCE_VMA_RECEIVED perf event was duplicated in a handful of
perf JSON configurations, one of them been updated to
FW_SFENCE_VMA_ASID_SENT
- The starfive cache driver is now restricted to 64-bit systems, as it
isn't 32-bit clean
- A fix for to avoid aliasing legacy-mode perf counters with software
perf counters
- VM_FAULT_SIGSEGV is now handled in the page fault code
- A fix for stalls during CPU hotplug due to IPIs being disabled
- A fix for memblock bounds checking. This manifests as a crash on
systems with discontinuous memory maps that have regions that don't
fit in the linear map
* tag 'riscv-for-linus-6.11-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux:
riscv: Fix linear mapping checks for non-contiguous memory regions
RISC-V: Enable the IPI before workqueue_online_cpu()
riscv/mm: Add handling for VM_FAULT_SIGSEGV in mm_fault_error()
perf: riscv: Fix selecting counters in legacy mode
cache: StarFive: Require a 64-bit system
perf arch events: Fix duplicate RISC-V SBI firmware event name
riscv/purgatory: align riscv_kernel_entry
riscv: cpufeature: Do not drop Linux-internal extensions
These are three important bug fixes for the cross-architecture tree,
fixing a regression with the new syscall.tbl file, the inconsistent
numbering for the new uretprobe syscall and a bug with iowrite64be
on alpha.
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Merge tag 'asm-generic-fixes-6.11-1' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic
Pull asm-generic fixes from Arnd Bergmann:
"These are three important bug fixes for the cross-architecture tree,
fixing a regression with the new syscall.tbl file, the inconsistent
numbering for the new uretprobe syscall and a bug with iowrite64be on
alpha"
* tag 'asm-generic-fixes-6.11-1' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic:
syscalls: fix syscall macros for newfstat/newfstatat
uretprobe: change syscall number, again
alpha: fix ioread64be()/iowrite64be() helpers
client:
- fix error code
atomic:
- allow damage clips with async flips
- allow explicit sync with async flips
kselftests:
- fix dmabuf-heaps test
panic:
- fix schedule_work in panic paths
panel:
- fix OrangePi Neo orientation
gpuvm:
- fix missing dependency
amdgpu:
- SMU 14.x update
- Fix contiguous VRAM handling for IB parsing
- GFX 12 fix
- Regression fix for old APUs
i915:
- Static analysis fix for int overflow
- Fix for HDCP2_STREAM_STATUS macro and removal of PWR_CLK_STATE for gen12
nouveau:
- revert busy wait change that caused a resume regression
- fix buffer placement fault on dynamic pm s/r
- fix refcount underflow
ast:
- fix black screen on resume
- wake during connector status detect
v3d:
- fix issues with perf/timestamp ioctls
vmwgfx:
- fix deadlock in dma-buf fence polling
- fix screen surface refcounting
- fix dumb buffer handling
- fix support for external buffers
- fix overlay with screen targets
- trigger modeset on screen moves
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Merge tag 'drm-fixes-2024-08-02' of https://gitlab.freedesktop.org/drm/kernel
Pull drm fixes from Dave Airlie:
"Regular weekly fixes. This is a bit larger than usual but doesn't seem
too crazy.
Most of it is vmwgfx changes that fix a bunch of issues with wayland
userspaces with dma-buf/external buffers and modesetting fixes.
Otherwise it's kinda spread out, v3d fixes some new ioctls, nouveau
has regression revert and fixes, amdgpu, i915 and ast have some small
fixes, and some core fixes spread about.
client:
- fix error code
atomic:
- allow damage clips with async flips
- allow explicit sync with async flips
kselftests:
- fix dmabuf-heaps test
panic:
- fix schedule_work in panic paths
panel:
- fix OrangePi Neo orientation
gpuvm:
- fix missing dependency
amdgpu:
- SMU 14.x update
- Fix contiguous VRAM handling for IB parsing
- GFX 12 fix
- Regression fix for old APUs
i915:
- Static analysis fix for int overflow
- Fix for HDCP2_STREAM_STATUS macro and removal of PWR_CLK_STATE for gen12
nouveau:
- revert busy wait change that caused a resume regression
- fix buffer placement fault on dynamic pm s/r
- fix refcount underflow
ast:
- fix black screen on resume
- wake during connector status detect
v3d:
- fix issues with perf/timestamp ioctls
vmwgfx:
- fix deadlock in dma-buf fence polling
- fix screen surface refcounting
- fix dumb buffer handling
- fix support for external buffers
- fix overlay with screen targets
- trigger modeset on screen moves"
* tag 'drm-fixes-2024-08-02' of https://gitlab.freedesktop.org/drm/kernel: (31 commits)
Revert "nouveau: rip out busy fence waits"
nouveau: set placement to original placement on uvmm validate.
drm/atomic: Allow userspace to use damage clips with async flips
drm/atomic: Allow userspace to use explicit sync with atomic async flips
drm/i915: Fix possible int overflow in skl_ddi_calculate_wrpll()
drm/i915/hdcp: Fix HDCP2_STREAM_STATUS macro
drm/ast: astdp: Wake up during connector status detection
i915/perf: Remove code to update PWR_CLK_STATE for gen12
kselftests: dmabuf-heaps: Ensure the driver name is null-terminated
drm/client: Fix error code in drm_client_buffer_vmap_local()
drm/amdgpu: Fix APU handling in amdgpu_pm_load_smu_firmware()
drm/amdgpu: increase mes log buffer size for gfx12
drm/amdgpu: fix contiguous handling for IB parsing v2
drm/amdgpu/pm: support gpu_metrics sysfs interface for smu v14.0.2/3
drm/vmwgfx: Trigger a modeset when the screen moves
drm/vmwgfx: Fix overlay when using Screen Targets
drm/vmwgfx: Add basic support for external buffers
drm/vmwgfx: Fix handling of dumb buffers
drm/vmwgfx: Make sure the screen surface is ref counted
drm/vmwgfx: Fix a deadlock in dma buf fence polling
...
Despite multiple attempts to get the syscall number assignment right
for the newly added uretprobe syscall, we ended up with a bit of a mess:
- The number is defined as 467 based on the assumption that the
xattrat family of syscalls would use 463 through 466, but those
did not make it into 6.11.
- The include/uapi/asm-generic/unistd.h file still lists the number
463, but the new scripts/syscall.tbl that was supposed to have the
same data lists 467 instead as the number for arc, arm64, csky,
hexagon, loongarch, nios2, openrisc and riscv. None of these
architectures actually provide a uretprobe syscall.
- All the other architectures (powerpc, arm, mips, ...) don't list
this syscall at all.
There are two ways to make it consistent again: either list it with
the same syscall number on all architectures, or only list it on x86
but not in scripts/syscall.tbl and asm-generic/unistd.h.
Based on the most recent discussion, it seems like we won't need it
anywhere else, so just remove the inconsistent assignment and instead
move the x86 number to the next available one in the architecture
specific range, which is 335.
Fixes: 5c28424e9a ("syscalls: Fix to add sys_uretprobe to syscall.tbl")
Fixes: 190fec72df ("uprobe: Wire up uretprobe system call")
Fixes: 63ded11097 ("uprobe: Change uretprobe syscall scope and number")
Acked-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Reviewed-by: Jiri Olsa <jolsa@kernel.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
It should be quite uncommon to set both the subflow and the signal
flags: the initiator of the connection is typically the one creating new
subflows, not the other peer, then no need to announce additional local
addresses, and use it to create subflows.
But some people might be confused about the flags, and set both "just to
be sure at least the right one is set". To verify the previous fix, and
avoid future regressions, this specific case is now validated: the
client announces a new address, and initiates a new subflow from the
same address.
While working on this, another bug has been noticed, where the client
reset the new subflow because an ADD_ADDR echo got received as the 3rd
ACK: this new test also explicitly checks that no RST have been sent by
the client and server.
The 'Fixes' tag here below is the same as the one from the previous
commit: this patch here is not fixing anything wrong in the selftests,
but it validates the previous fix for an issue introduced by this commit
ID.
Fixes: 86e39e0448 ("mptcp: keep track of local endpoint still available for each msk")
Reviewed-by: Mat Martineau <martineau@kernel.org>
Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Link: https://patch.msgid.link/20240731-upstream-net-20240731-mptcp-endp-subflow-signal-v1-7-c8a9b036493b@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
In the following commit, the client will initiate the ADD_ADDR, instead
of the server. We need to way to verify the ADD_ADDR have been correctly
sent.
Note: the default expected counters for when the port number is given
are never changed by the caller, no need to accept them as parameter
then.
The 'Fixes' tag here below is the same as the one from the previous
commit: this patch here is not fixing anything wrong in the selftests,
but it validates the previous fix for an issue introduced by this commit
ID.
Fixes: 86e39e0448 ("mptcp: keep track of local endpoint still available for each msk")
Reviewed-by: Mat Martineau <martineau@kernel.org>
Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Link: https://patch.msgid.link/20240731-upstream-net-20240731-mptcp-endp-subflow-signal-v1-6-c8a9b036493b@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Current release - regressions:
- core: drop bad gso csum_start and offset in virtio_net_hdr
- wifi: mt76: fix null pointer access in mt792x_mac_link_bss_remove
- eth: tun: add missing bpf_net_ctx_clear() in do_xdp_generic()
- phy: aquantia: only poll GLOBAL_CFG regs on aqr113, aqr113c and aqr115c
Current release - new code bugs:
- smc: prevent UAF in inet_create()
- bluetooth: btmtk: fix kernel crash when entering btmtk_usb_suspend
- eth: bnxt: reject unsupported hash functions
Previous releases - regressions:
- sched: act_ct: take care of padding in struct zones_ht_key
- netfilter: fix null-ptr-deref in iptable_nat_table_init().
- tcp: adjust clamping window for applications specifying SO_RCVBUF
Previous releases - always broken:
- ethtool: rss: small fixes to spec and GET
- mptcp:
- fix signal endpoint re-add
- pm: fix backup support in signal endpoints
- wifi: ath12k: fix soft lockup on suspend
- eth: bnxt_en: fix RSS logic in __bnxt_reserve_rings()
- eth: ice: fix AF_XDP ZC timeout and concurrency issues
- eth: mlx5:
- fix missing lock on sync reset reload
- fix error handling in irq_pool_request_irq
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Merge tag 'net-6.11-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Paolo Abeni:
"Including fixes from wireless, bleutooth, BPF and netfilter.
Current release - regressions:
- core: drop bad gso csum_start and offset in virtio_net_hdr
- wifi: mt76: fix null pointer access in mt792x_mac_link_bss_remove
- eth: tun: add missing bpf_net_ctx_clear() in do_xdp_generic()
- phy: aquantia: only poll GLOBAL_CFG regs on aqr113, aqr113c and
aqr115c
Current release - new code bugs:
- smc: prevent UAF in inet_create()
- bluetooth: btmtk: fix kernel crash when entering btmtk_usb_suspend
- eth: bnxt: reject unsupported hash functions
Previous releases - regressions:
- sched: act_ct: take care of padding in struct zones_ht_key
- netfilter: fix null-ptr-deref in iptable_nat_table_init().
- tcp: adjust clamping window for applications specifying SO_RCVBUF
Previous releases - always broken:
- ethtool: rss: small fixes to spec and GET
- mptcp:
- fix signal endpoint re-add
- pm: fix backup support in signal endpoints
- wifi: ath12k: fix soft lockup on suspend
- eth: bnxt_en: fix RSS logic in __bnxt_reserve_rings()
- eth: ice: fix AF_XDP ZC timeout and concurrency issues
- eth: mlx5:
- fix missing lock on sync reset reload
- fix error handling in irq_pool_request_irq"
* tag 'net-6.11-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (76 commits)
mptcp: fix duplicate data handling
mptcp: fix bad RCVPRUNED mib accounting
ipv6: fix ndisc_is_useropt() handling for PIO
igc: Fix double reset adapter triggered from a single taprio cmd
net: MAINTAINERS: Demote Qualcomm IPA to "maintained"
net: wan: fsl_qmc_hdlc: Discard received CRC
net: wan: fsl_qmc_hdlc: Convert carrier_lock spinlock to a mutex
net/mlx5e: Add a check for the return value from mlx5_port_set_eth_ptys
net/mlx5e: Fix CT entry update leaks of modify header context
net/mlx5e: Require mlx5 tc classifier action support for IPsec prio capability
net/mlx5: Fix missing lock on sync reset reload
net/mlx5: Lag, don't use the hardcoded value of the first port
net/mlx5: DR, Fix 'stack guard page was hit' error in dr_rule
net/mlx5: Fix error handling in irq_pool_request_irq
net/mlx5: Always drain health in shutdown callback
net: Add skbuff.h to MAINTAINERS
r8169: don't increment tx_dropped in case of NETDEV_TX_BUSY
netfilter: iptables: Fix potential null-ptr-deref in ip6table_nat_table_init().
netfilter: iptables: Fix null-ptr-deref in iptable_nat_table_init().
net: drop bad gso csum_start and offset in virtio_net_hdr
...
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Merge tag 'for-netdev' of https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf
Daniel Borkmann says:
====================
pull-request: bpf 2024-07-31
We've added 2 non-merge commits during the last 2 day(s) which contain
a total of 2 files changed, 2 insertions(+), 2 deletions(-).
The main changes are:
1) Fix BPF selftest build after tree sync with regards to a _GNU_SOURCE
macro redefined compilation error, from Stanislav Fomichev.
2) Fix a wrong test in the ASSERT_OK() check in uprobe_syscall BPF selftest,
from Jiri Olsa.
* tag 'for-netdev' of https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf:
bpf/selftests: Fix ASSERT_OK condition check in uprobe_syscall test
selftests/bpf: Filter out _GNU_SOURCE when compiling test_cpp
====================
Link: https://patch.msgid.link/20240731115706.19677-1-daniel@iogearbox.net
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The Python finished() helper currently exits with KSFT_FAIL when there
are only passed and skipped tests. Fix the logic to exit with KSFT_PASS
instead, making it consistent with its C and bash counterparts
(ksft_finished() and ktap_finished() respectively).
Reviewed-by: Nícolas F. R. A. Prado <nfraprado@collabora.com>
Fixes: dacf1d7a78 ("kselftest: Add test to verify probe of devices from discoverable buses")
Signed-off-by: Laura Nao <laura.nao@collabora.com>
Reviewed-by: Muhammad Usama Anjum <usama.anjum@collabora.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
Some more fixes about the build and a random crash:
* Fix cross-build by setting pkg-config env according to the arch
* Fix static build for missing library dependencies
* Fix Segfault when callchain has no symbols
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
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Merge tag 'perf-tools-fixes-for-v6.11-2024-07-30' of git://git.kernel.org/pub/scm/linux/kernel/git/perf/perf-tools
Pull perf tools fixes from Namhyung Kim:
"Some more build fixes and a random crash fix:
- Fix cross-build by setting pkg-config env according to the arch
- Fix static build for missing library dependencies
- Fix Segfault when callchain has no symbols"
* tag 'perf-tools-fixes-for-v6.11-2024-07-30' of git://git.kernel.org/pub/scm/linux/kernel/git/perf/perf-tools:
perf docs: Document cross compilation
perf: build: Link lib 'zstd' for static build
perf: build: Link lib 'lzma' for static build
perf: build: Only link libebl.a for old libdw
perf: build: Set Python configuration for cross compilation
perf: build: Setup PKG_CONFIG_LIBDIR for cross compilation
perf tool: fix dereferencing NULL al->maps
Fixing ASSERT_OK condition check in uprobe_syscall test,
otherwise we return from test on pipe success.
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Acked-by: Yonghong Song <yonghong.song@linux.dev>
Link: https://lore.kernel.org/bpf/20240726180847.684584-1-jolsa@kernel.org
Before the previous commit, 'signal' endpoints with the 'backup' flag
were ignored when sending the MP_JOIN.
The MPTCP Join selftest has then been modified to validate this case:
the "single address, backup" test, is now validating the MP_JOIN with a
backup flag as it is what we expect it to do with such name. The
previous version has been kept, but renamed to "single address, switch
to backup" to avoid confusions.
The "single address with port, backup" test is also now validating the
MPJ with a backup flag, which makes more sense than checking the switch
to backup with an MP_PRIO.
The "mpc backup both sides" test is now validating that the backup flag
is also set in MP_JOIN from and to the addresses used in the initial
subflow, using the special ID 0.
The 'Fixes' tag here below is the same as the one from the previous
commit: this patch here is not fixing anything wrong in the selftests,
but it validates the previous fix for an issue introduced by this commit
ID.
Fixes: 4596a2c1b7 ("mptcp: allow creating non-backup subflows")
Cc: stable@vger.kernel.org
Reviewed-by: Mat Martineau <martineau@kernel.org>
Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
A peer can notify the other one that a subflow has to be treated as
"backup" by two different ways: either by sending a dedicated MP_PRIO
notification, or by setting the backup flag in the MP_JOIN handshake.
The selftests were previously monitoring the former, but not the latter.
This is what is now done here by looking at these new MIB counters when
validating the 'backup' cases:
MPTcpExtMPJoinSynBackupRx
MPTcpExtMPJoinSynAckBackupRx
The 'Fixes' tag here below is the same as the one from the previous
commit: this patch here is not fixing anything wrong in the selftests,
but it will help to validate a new fix for an issue introduced by this
commit ID.
Fixes: 4596a2c1b7 ("mptcp: allow creating non-backup subflows")
Cc: stable@vger.kernel.org
Reviewed-by: Mat Martineau <martineau@kernel.org>
Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Jakub reports build failures when merging linux/master with net tree:
CXX test_cpp
In file included from <built-in>:454:
<command line>:2:9: error: '_GNU_SOURCE' macro redefined [-Werror,-Wmacro-redefined]
2 | #define _GNU_SOURCE
| ^
<built-in>:445:9: note: previous definition is here
445 | #define _GNU_SOURCE 1
The culprit is commit cc937dad85 ("selftests: centralize -D_GNU_SOURCE= to
CFLAGS in lib.mk") which unconditionally added -D_GNU_SOUCE to CLFAGS.
Apparently clang++ also unconditionally adds it for the C++ targets [0]
which causes a conflict. Add small change in the selftests makefile
to filter it out for test_cpp.
Not sure which tree it should go via, targeting bpf for now, but net
might be better?
0: https://stackoverflow.com/questions/11670581/why-is-gnu-source-defined-by-default-and-how-to-turn-it-off
Signed-off-by: Stanislav Fomichev <sdf@fomichev.me>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Acked-by: Jiri Olsa <jolsa@kernel.org>
Link: https://lore.kernel.org/bpf/20240725214029.1760809-1-sdf@fomichev.me
