Merge tag 'v6.6.79' into for/openbmc/dev-6.6

This is the 6.6.79 stable release

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Merge tag 'v6.6.79' into for/openbmc/dev-6.6

This is the 6.6.79 stable release

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vrf: use RCU protection in l3mdev_l3_out()

[ Upstream commit 6d0ce46a93135d96b7fa075a94a88fe0da8e8773 ]

l3mdev_l3_out() can be called without RCU being held:

raw_sendmsg()
ip_push_pending_frames(

vrf: use RCU protection in l3mdev_l3_out()

[ Upstream commit 6d0ce46a93135d96b7fa075a94a88fe0da8e8773 ]

l3mdev_l3_out() can be called without RCU being held:

raw_sendmsg()
ip_push_pending_frames()
ip_send_skb()
ip_local_out()
__ip_local_out()
l3mdev_ip_out()

Add rcu_read_lock() / rcu_read_unlock() pair to avoid
a potential UAF.

Fixes: a8e3e1a9f020 ("net: l3mdev: Add hook to output path")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: David Ahern <dsahern@kernel.org>
Reviewed-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Link: https://patch.msgid.link/20250207135841.1948589-7-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>

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Merge branch 'next' into for-linus

Prepare input updates for 5.11 merge window.

Merge tag 'v5.9' into next

Sync up with mainline to bring in the latest DTS files.

Merge drm/drm-next into drm-intel-next-queued

Sync drm-intel-gt-next here so we can have an unified fixes flow.

Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>

Merge branch 'for-linus' into for-next

Back-merge to apply the tasklet conversion patches that are based
on the already applied tasklet API changes on 5.9-rc4.

Signed-off-by: Takashi Iwai <tiwai@su

Merge branch 'for-linus' into for-next

Back-merge to apply the tasklet conversion patches that are based
on the already applied tasklet API changes on 5.9-rc4.

Signed-off-by: Takashi Iwai <tiwai@suse.de>

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Merge branch 'topic/tasklet-convert' into for-linus

Pull tasklet API conversions.

Signed-off-by: Takashi Iwai <tiwai@suse.de>

Merge branch 'master' into for-next

Sync with Linus' branch in order to be able to apply fixups
of more recent patches.

Merge tag 'v5.9-rc2' into regulator-5.9

Linux 5.9-rc2

Merge tag 'v5.9-rc2' into asoc-5.9

Linux 5.9-rc2

Merge tag 'v5.9-rc2' into drm-misc-fixes

Backmerge requested by Tomi for a fix to omap inconsistent
locking state issue, and because we need at least v5.9-rc2 now.

Signed-off-by: Maarten Lankhorst

Merge tag 'v5.9-rc2' into drm-misc-fixes

Backmerge requested by Tomi for a fix to omap inconsistent
locking state issue, and because we need at least v5.9-rc2 now.

Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>

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Merge v5.9-rc1 into drm-misc-next

Sam needs 5.9-rc1 to have dev_err_probe in to merge some patches.

Signed-off-by: Maxime Ripard <maxime@cerno.tech>

Mgerge remote-tracking branch 'torvalds/master' into perf/core

To sync headers, for instance, in this case tools/perf was ahead of
upstream till Linus merged tip/perf/core to get the
PERF_RECORD_TEX

Mgerge remote-tracking branch 'torvalds/master' into perf/core

To sync headers, for instance, in this case tools/perf was ahead of
upstream till Linus merged tip/perf/core to get the
PERF_RECORD_TEXT_POKE changes:

Warning: Kernel ABI header at 'tools/include/uapi/linux/perf_event.h' differs from latest version at 'include/uapi/linux/perf_event.h'
diff -u tools/include/uapi/linux/perf_event.h include/uapi/linux/perf_event.h

Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

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Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next

Pull networking updates from David Miller:

1) Support 6Ghz band in ath11k driver, from Rajkumar Manoharan.

2) Support UDP segm

Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next

Pull networking updates from David Miller:

1) Support 6Ghz band in ath11k driver, from Rajkumar Manoharan.

2) Support UDP segmentation in code TSO code, from Eric Dumazet.

3) Allow flashing different flash images in cxgb4 driver, from Vishal
Kulkarni.

4) Add drop frames counter and flow status to tc flower offloading,
from Po Liu.

5) Support n-tuple filters in cxgb4, from Vishal Kulkarni.

6) Various new indirect call avoidance, from Eric Dumazet and Brian
Vazquez.

7) Fix BPF verifier failures on 32-bit pointer arithmetic, from
Yonghong Song.

8) Support querying and setting hardware address of a port function via
devlink, use this in mlx5, from Parav Pandit.

9) Support hw ipsec offload on bonding slaves, from Jarod Wilson.

10) Switch qca8k driver over to phylink, from Jonathan McDowell.

11) In bpftool, show list of processes holding BPF FD references to
maps, programs, links, and btf objects. From Andrii Nakryiko.

12) Several conversions over to generic power management, from Vaibhav
Gupta.

13) Add support for SO_KEEPALIVE et al. to bpf_setsockopt(), from Dmitry
Yakunin.

14) Various https url conversions, from Alexander A. Klimov.

15) Timestamping and PHC support for mscc PHY driver, from Antoine
Tenart.

16) Support bpf iterating over tcp and udp sockets, from Yonghong Song.

17) Support 5GBASE-T i40e NICs, from Aleksandr Loktionov.

18) Add kTLS RX HW offload support to mlx5e, from Tariq Toukan.

19) Fix the ->ndo_start_xmit() return type to be netdev_tx_t in several
drivers. From Luc Van Oostenryck.

20) XDP support for xen-netfront, from Denis Kirjanov.

21) Support receive buffer autotuning in MPTCP, from Florian Westphal.

22) Support EF100 chip in sfc driver, from Edward Cree.

23) Add XDP support to mvpp2 driver, from Matteo Croce.

24) Support MPTCP in sock_diag, from Paolo Abeni.

25) Commonize UDP tunnel offloading code by creating udp_tunnel_nic
infrastructure, from Jakub Kicinski.

26) Several pci_ --> dma_ API conversions, from Christophe JAILLET.

27) Add FLOW_ACTION_POLICE support to mlxsw, from Ido Schimmel.

28) Add SK_LOOKUP bpf program type, from Jakub Sitnicki.

29) Refactor a lot of networking socket option handling code in order to
avoid set_fs() calls, from Christoph Hellwig.

30) Add rfc4884 support to icmp code, from Willem de Bruijn.

31) Support TBF offload in dpaa2-eth driver, from Ioana Ciornei.

32) Support XDP_REDIRECT in qede driver, from Alexander Lobakin.

33) Support PCI relaxed ordering in mlx5 driver, from Aya Levin.

34) Support TCP syncookies in MPTCP, from Flowian Westphal.

35) Fix several tricky cases of PMTU handling wrt. briding, from Stefano
Brivio.

* git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next: (2056 commits)
net: thunderx: initialize VF's mailbox mutex before first usage
usb: hso: remove bogus check for EINPROGRESS
usb: hso: no complaint about kmalloc failure
hso: fix bailout in error case of probe
ip_tunnel_core: Fix build for archs without _HAVE_ARCH_IPV6_CSUM
selftests/net: relax cpu affinity requirement in msg_zerocopy test
mptcp: be careful on subflow creation
selftests: rtnetlink: make kci_test_encap() return sub-test result
selftests: rtnetlink: correct the final return value for the test
net: dsa: sja1105: use detected device id instead of DT one on mismatch
tipc: set ub->ifindex for local ipv6 address
ipv6: add ipv6_dev_find()
net: openvswitch: silence suspicious RCU usage warning
Revert "vxlan: fix tos value before xmit"
ptp: only allow phase values lower than 1 period
farsync: switch from 'pci_' to 'dma_' API
wan: wanxl: switch from 'pci_' to 'dma_' API
hv_netvsc: do not use VF device if link is down
dpaa2-eth: Fix passing zero to 'PTR_ERR' warning
net: macb: Properly handle phylink on at91sam9x
...

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Merge branch 'Strict-mode-for-VRF'

Andrea Mayer says:

====================
Strict mode for VRF

This patch set adds the new "strict mode" functionality to the Virtual
Routing and Forwarding infrast

Merge branch 'Strict-mode-for-VRF'

Andrea Mayer says:

====================
Strict mode for VRF

This patch set adds the new "strict mode" functionality to the Virtual
Routing and Forwarding infrastructure (VRF). Hereafter we discuss the
requirements and the main features of the "strict mode" for VRF.

On VRF creation, it is necessary to specify the associated routing table used
during the lookup operations. Currently, there is no mechanism that avoids
creating multiple VRFs sharing the same routing table. In other words, it is not
possible to force a one-to-one relationship between a specific VRF and the table
associated with it.

The "strict mode" imposes that each VRF can be associated to a routing table
only if such routing table is not already in use by any other VRF.
In particular, the strict mode ensures that:

1) given a specific routing table, the VRF (if exists) is uniquely identified;
2) given a specific VRF, the related table is not shared with any other VRF.

Constraints (1) and (2) force a one-to-one relationship between each VRF and the
corresponding routing table.

The strict mode feature is designed to be network-namespace aware and it can be
directly enabled/disabled acting on the "strict_mode" parameter.
Read and write operations are carried out through the classic sysctl command on
net.vrf.strict_mode path, i.e: sysctl -w net.vrf.strict_mode=1.

Only two distinct values {0,1} are accepted by the strict_mode parameter:

- with strict_mode=0, multiple VRFs can be associated with the same table.
This is the (legacy) default kernel behavior, the same that we experience
when the strict mode patch set is not applied;

- with strict_mode=1, the one-to-one relationship between the VRFs and the
associated tables is guaranteed. In this configuration, the creation of a VRF
which refers to a routing table already associated with another VRF fails and
the error is returned to the user.

The kernel keeps track of the associations between a VRF and the routing table
during the VRF setup, in the "management" plane. Therefore, the strict mode does
not impact the performance or the intrinsic functionality of the data plane in
any way.

When the strict mode is active it is always possible to disable the strict mode,
while the reverse operation is not always allowed.
Setting the strict_mode parameter to 0 is equivalent to removing the one-to-one
constraint between any single VRF and its associated routing table.

Conversely, if the strict mode is disabled and there are multiple VRFs that
refer to the same routing table, then it is prohibited to set the strict_mode
parameter to 1. In this configuration, any attempt to perform the operation will
lead to an error and it will be reported to the user.
To enable strict mode once again (by setting the strict_mode parameter to 1),
you must first remove all the VRFs that share common tables.

There are several use cases which can take advantage from the introduction of
the strict mode feature. In particular, the strict mode allows us to:

i) guarantee the proper functioning of some applications which deal with
routing protocols;

ii) perform some tunneling decap operations which require to use specific
routing tables for segregating and forwarding the traffic.

Considering (i), the creation of different VRFs that point to the same table
leads to the situation where two different routing entities believe they have
exclusive access to the same table. This leads to the situation where different
routing daemons can conflict for gaining routes control due to overlapping
tables. By enabling strict mode it is possible to prevent this situation which
often occurs due to incorrect configurations done by the users.
The ability to enable/disable the strict mode functionality does not depend on
the tool used for configuring the networking. In essence, the strict mode patch
solves, at the kernel level, what some other patches [1] had tried to solve at
the userspace level (using only iproute2) with all the related problems.

Considering (ii), the introduction of the strict mode functionality allows us
implementing the SRv6 End.DT4 behavior. Such behavior terminates a SR tunnel and
it forwards the IPv4 traffic according to the routes present in the routing
table supplied during the configuration. The SRv6 End.DT4 can be realized
exploiting the routing capabilities made available by the VRF infrastructure.
This behavior could leverage a specific VRF for forcing the traffic to be
forwarded in accordance with the routes available in the VRF table.
Anyway, in order to make the End.DT4 properly work, it must be guaranteed that
the table used for the route lookup operations is bound to one and only one VRF.
In this way, it is possible to use the table for uniquely retrieving the
associated VRF and for routing packets.

I would like to thank David Ahern for his constant and valuable support during
the design and development phases of this patch set.

Comments, suggestions and improvements are very welcome!
====================

Acked-by: David Ahern <dsahern@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

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l3mdev: add infrastructure for table to VRF mapping

Add infrastructure to l3mdev (the core code for Layer 3 master devices) in
order to find out the corresponding VRF device for a given table id.
Th

l3mdev: add infrastructure for table to VRF mapping

Add infrastructure to l3mdev (the core code for Layer 3 master devices) in
order to find out the corresponding VRF device for a given table id.
Therefore, the l3mdev implementations:
- can register a callback that returns the device index of the l3mdev
associated with a given table id;
- can offer the lookup function (table to VRF device).

Signed-off-by: Andrea Mayer <andrea.mayer@uniroma2.it>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Merge remote-tracking branch 'remotes/powerpc/topic/ppc-kvm' into kvm-ppc-next

This merges in fixes for the XIVE interrupt controller which touch both
generic powerpc and PPC KVM code. To avoid mer

Merge remote-tracking branch 'remotes/powerpc/topic/ppc-kvm' into kvm-ppc-next

This merges in fixes for the XIVE interrupt controller which touch both
generic powerpc and PPC KVM code. To avoid merge conflicts, these
commits will go upstream via the powerpc tree as well as the KVM tree.

Signed-off-by: Paul Mackerras <paulus@ozlabs.org>

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Merge branch 'ti-sysc-fixes' into fixes

Merge branch 'next' into for-linus

Prepare second round of input updates for 5.3 merge window.

Merge tag 'v5.2' into next

Sync up with mainline to resolve conflicts in iforce driver.

Merge tag 'kvm-arm-for-5.3' of git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into HEAD

KVM/arm updates for 5.3

- Add support for chained PMU counters in guests
- Improve SError handli

Merge tag 'kvm-arm-for-5.3' of git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into HEAD

KVM/arm updates for 5.3

- Add support for chained PMU counters in guests
- Improve SError handling
- Handle Neoverse N1 erratum #1349291
- Allow side-channel mitigation status to be migrated
- Standardise most AArch64 system register accesses to msr_s/mrs_s
- Fix host MPIDR corruption on 32bit

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Merge branch 'next' into for-linus

Prepare input updates for 5.3 merge window.

Merge drm/drm-next into drm-intel-next-queued

Catch-up with 5.2. Specially to remove a drm-tip merge
fixup around intel_workarounds.

Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>

Merge branches 'for-5.2/fixes', 'for-5.3/doc', 'for-5.3/ish', 'for-5.3/logitech' and 'for-5.3/wacom' into for-linus

Merge tag 'asoc-v5.3' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus

ASoC: Updates for v5.3

This is a very big update, mainly thanks to Morimoto-san's refactoring
w

Merge tag 'asoc-v5.3' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus

ASoC: Updates for v5.3

This is a very big update, mainly thanks to Morimoto-san's refactoring
work and some fairly large new drivers.

- Lots more work on moving towards a component based framework from
Morimoto-san.
- Support for force disconnecting muxes from Jerome Brunet.
- New drivers for Cirrus Logic CS47L35, CS47L85 and CS47L90, Conexant
CX2072X, Realtek RT1011 and RT1308.

Signed-off-by: Takashi Iwai <tiwai@suse.de>

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