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Merge tag 'linux-can-fixes-for-6.11-20240912' of git://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can
Marc Kleine-Budde says:
====================
pull-request: can 2024-09-12
Kuniyuki Iwashima's patch fixes an incomplete bug fix in the CAN BCM
protocol, which was introduced during v6.11.
A patch by Stefan Mätje removes the unsupported CAN_CTRLMODE_3_SAMPLES
mode for CAN-USB/3-FD devices in the esd_usb driver.
The next patch is by Martin Jocic and enables 64-bit DMA addressing
for the kvaser_pciefd driver.
The last two patches both affect the m_can driver. Jake Hamby's patch
activates NAPI before interrupts are activated, a patch by me moves
the stopping of the clock after the device has been shut down.
* tag 'linux-can-fixes-for-6.11-20240912' of git://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can:
can: m_can: m_can_close(): stop clocks after device has been shut down
can: m_can: enable NAPI before enabling interrupts
can: kvaser_pciefd: Enable 64-bit DMA addressing
can: esd_usb: Remove CAN_CTRLMODE_3_SAMPLES for CAN-USB/3-FD
can: bcm: Clear bo->bcm_proc_read after remove_proc_entry().
====================
Link: https://patch.msgid.link/20240912075804.2825408-1-mkl@pengutronix.de
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Clang static checker (scan-build) warning:
net/tipc/bcast.c:305:4:
The expression is an uninitialized value. The computed value will also
be garbage [core.uninitialized.Assign]
305 | (*cong_link_cnt)++;
| ^~~~~~~~~~~~~~~~~~
tipc_rcast_xmit() will increase cong_link_cnt's value, but cong_link_cnt
is uninitialized. Although it won't really cause a problem, it's better
to fix it.
Fixes: dca4a17d24 ("tipc: fix potential hanging after b/rcast changing")
Signed-off-by: Su Hui <suhui@nfschina.com>
Reviewed-by: Justin Stitt <justinstitt@google.com>
Link: https://patch.msgid.link/20240912110119.2025503-1-suhui@nfschina.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The driver calls netif_napi_set_irq() and then calls netif_napi_add(),
which calls netif_napi_add_weight(). At the end of
netif_napi_add_weight() is a call to netif_napi_set_irq(napi, -1), which
clears the previously set napi->irq value. Fix this by calling
netif_napi_set_irq() after calling netif_napi_add().
This was found when reviewing another patch and I have no way to test
this, but the fix seemed relatively straight forward.
Fixes: bc6107771b ("eth: fbnic: Allocate a netdevice and napi vectors with queues")
Signed-off-by: Brett Creeley <brett.creeley@amd.com>
Reviewed-by: Joe Damato <jdamato@fastly.com>
Reviewed-by: Vadim Fedorenko <vadim.fedorenko@linux.dev>
Link: https://patch.msgid.link/20240912174922.10550-1-brett.creeley@amd.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Free the skb before returning from rpl_input when skb_cow_head() fails.
Use a "drop" label and goto instructions.
Fixes: a7a29f9c36 ("net: ipv6: add rpl sr tunnel")
Signed-off-by: Justin Iurman <justin.iurman@uliege.be>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://patch.msgid.link/20240911174557.11536-1-justin.iurman@uliege.be
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
En-Wei reported that traffic breaks if cable is unplugged for more
than 3s and then re-plugged. This was supposed to be fixed by
621735f590 ("r8169: fix rare issue with broken rx after link-down on
RTL8125"). But apparently this didn't fix the issue for everybody.
The 3s threshold rang a bell, as this is the delay after which ALDPS
kicks in. And indeed disabling ALDPS fixes the issue for this user.
Maybe this fixes the issue in general. In a follow-up step we could
remove the first fix attempt and see whether anybody complains.
Fixes: f1bce4ad2f ("r8169: add support for RTL8125")
Tested-by: En-Wei WU <en-wei.wu@canonical.com>
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Link: https://patch.msgid.link/778b9d86-05c4-4856-be59-cde4487b9e52@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
During the introduction of struct bpf_net_context handling for
XDP-redirect, the netkit driver has been missed, which also requires it
because NETKIT_REDIRECT invokes skb_do_redirect() which is accessing the
per-CPU variables. Otherwise we see the following crash:
BUG: kernel NULL pointer dereference, address: 0000000000000038
bpf_redirect()
netkit_xmit()
dev_hard_start_xmit()
Set the bpf_net_context before invoking netkit_xmit() program within the
netkit driver.
Fixes: 401cb7dae8 ("net: Reference bpf_redirect_info via task_struct on PREEMPT_RT.")
Signed-off-by: Breno Leitao <leitao@debian.org>
Acked-by: Daniel Borkmann <daniel@iogearbox.net>
Reviewed-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Reviewed-by: Toke Høiland-Jørgensen <toke@redhat.com>
Acked-by: Nikolay Aleksandrov <razor@blackwall.org>
Acked-by: Martin KaFai Lau <martin.lau@kernel.org>
Link: https://patch.msgid.link/20240912155620.1334587-1-leitao@debian.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
In cases when synchronizing DMA operations is necessary,
xsk_buff_alloc_batch() returns a single buffer instead of the requested
count. This puts the pressure on drivers that use batch API as they have
to check for this corner case on their side and take care of allocations
by themselves, which feels counter productive. Let us improve the core
by looping over xp_alloc() @max times when slow path needs to be taken.
Another issue with current interface, as spotted and fixed by Dries, was
that when driver called xsk_buff_alloc_batch() with @max == 0, for slow
path case it still allocated and returned a single buffer, which should
not happen. By introducing the logic from first paragraph we kill two
birds with one stone and address this problem as well.
Fixes: 47e4075df3 ("xsk: Batched buffer allocation for the pool")
Reported-and-tested-by: Dries De Winter <ddewinter@synamedia.com>
Co-developed-by: Dries De Winter <ddewinter@synamedia.com>
Signed-off-by: Dries De Winter <ddewinter@synamedia.com>
Signed-off-by: Maciej Fijalkowski <maciej.fijalkowski@intel.com>
Acked-by: Magnus Karlsson <magnus.karlsson@intel.com>
Acked-by: Alexei Starovoitov <ast@kernel.org>
Link: https://patch.msgid.link/20240911191019.296480-1-maciej.fijalkowski@intel.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Guillaume Nault says:
====================
bareudp: Pull inner IP header on xmit/recv.
Bareudp accesses the inner IP header in its xmit and recv paths.
However it doesn't ensure that this header is part of skb->head.
Both vxlan and geneve have received fixes for similar problems
in the past. This series fixes bareudp using the same approach.
====================
Link: https://patch.msgid.link/cover.1726046181.git.gnault@redhat.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Both bareudp_xmit_skb() and bareudp6_xmit_skb() read their skb's inner
IP header to get its ECN value (with ip_tunnel_ecn_encap()). Therefore
we need to ensure that the inner IP header is part of the skb's linear
data.
Fixes: 571912c69f ("net: UDP tunnel encapsulation module for tunnelling different protocols like MPLS, IP, NSH etc.")
Signed-off-by: Guillaume Nault <gnault@redhat.com>
Reviewed-by: Willem de Bruijn <willemb@google.com>
Link: https://patch.msgid.link/267328222f0a11519c6de04c640a4f87a38ea9ed.1726046181.git.gnault@redhat.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Bareudp reads the inner IP header to get the ECN value. Therefore, it
needs to ensure that it's part of the skb's linear data.
This is similar to the vxlan and geneve fixes for that same problem:
* commit f778941913 ("vxlan: Pull inner IP header in vxlan_rcv().")
* commit 1ca1ba465e ("geneve: make sure to pull inner header in
geneve_rx()")
Fixes: 571912c69f ("net: UDP tunnel encapsulation module for tunnelling different protocols like MPLS, IP, NSH etc.")
Signed-off-by: Guillaume Nault <gnault@redhat.com>
Reviewed-by: Willem de Bruijn <willemb@google.com>
Link: https://patch.msgid.link/5205940067c40218a70fbb888080466b2fc288db.1726046181.git.gnault@redhat.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
*think* such fix will not land in the next week.
Including fixes from netfilter.
Current release - regressions:
- core: tighten bad gso csum offset check in virtio_net_hdr
- netfilter: move nf flowtable bpf initialization in nf_flow_table_module_init()
- eth: ice: stop calling pci_disable_device() as we use pcim
- eth: fou: fix null-ptr-deref in GRO.
Current release - new code bugs:
- hsr: prevent NULL pointer dereference in hsr_proxy_announce()
Previous releases - regressions:
- hsr: remove seqnr_lock
- netfilter: nft_socket: fix sk refcount leaks
- mptcp: pm: fix uaf in __timer_delete_sync
- phy: dp83822: fix NULL pointer dereference on DP83825 devices
- eth: revert "virtio_net: rx enable premapped mode by default"
- eth: octeontx2-af: Modify SMQ flush sequence to drop packets
Previous releases - always broken:
- eth: mlx5: fix bridge mode operations when there are no VFs
- eth: igb: Always call igb_xdp_ring_update_tail() under Tx lock
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Merge tag 'net-6.11-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Paolo Abeni:
"Including fixes from netfilter.
There is a recently notified BT regression with no fix yet. I do not
think a fix will land in the next week.
Current release - regressions:
- core: tighten bad gso csum offset check in virtio_net_hdr
- netfilter: move nf flowtable bpf initialization in
nf_flow_table_module_init()
- eth: ice: stop calling pci_disable_device() as we use pcim
- eth: fou: fix null-ptr-deref in GRO.
Current release - new code bugs:
- hsr: prevent NULL pointer dereference in hsr_proxy_announce()
Previous releases - regressions:
- hsr: remove seqnr_lock
- netfilter: nft_socket: fix sk refcount leaks
- mptcp: pm: fix uaf in __timer_delete_sync
- phy: dp83822: fix NULL pointer dereference on DP83825 devices
- eth: revert "virtio_net: rx enable premapped mode by default"
- eth: octeontx2-af: Modify SMQ flush sequence to drop packets
Previous releases - always broken:
- eth: mlx5: fix bridge mode operations when there are no VFs
- eth: igb: Always call igb_xdp_ring_update_tail() under Tx lock"
* tag 'net-6.11-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (36 commits)
net: netfilter: move nf flowtable bpf initialization in nf_flow_table_module_init()
net: tighten bad gso csum offset check in virtio_net_hdr
netlink: specs: mptcp: fix port endianness
net: dpaa: Pad packets to ETH_ZLEN
mptcp: pm: Fix uaf in __timer_delete_sync
net: libwx: fix number of Rx and Tx descriptors
net: dsa: felix: ignore pending status of TAS module when it's disabled
net: hsr: prevent NULL pointer dereference in hsr_proxy_announce()
selftests: mptcp: include net_helper.sh file
selftests: mptcp: include lib.sh file
selftests: mptcp: join: restrict fullmesh endp on 1st sf
netfilter: nft_socket: make cgroupsv2 matching work with namespaces
netfilter: nft_socket: fix sk refcount leaks
MAINTAINERS: Add ethtool pse-pd to PSE NETWORK DRIVER
dt-bindings: net: tja11xx: fix the broken binding
selftests: net: csum: Fix checksums for packets with non-zero padding
net: phy: dp83822: Fix NULL pointer dereference on DP83825 devices
virtio_net: disable premapped mode by default
Revert "virtio_net: big mode skip the unmap check"
Revert "virtio_net: rx remove premapped failover code"
...
Fixes:
- asus-wmi: Disable OOBE that interferes with backlight control
- panasonic-laptop: Two fixes to SINF array handling
The following is an automated shortlog grouped by driver:
asus-wmi:
- Disable OOBE experience on Zenbook S 16
panasonic-laptop:
- Allocate 1 entry extra in the sinf array
- Fix SINF array out of bounds accesses
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Merge tag 'platform-drivers-x86-v6.11-7' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86
Pull x86 platform driver fixes from Ilpo Järvinen:
- asus-wmi: Disable OOBE that interferes with backlight control
- panasonic-laptop: Two fixes to SINF array handling
* tag 'platform-drivers-x86-v6.11-7' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86:
platform/x86: asus-wmi: Disable OOBE experience on Zenbook S 16
platform/x86: panasonic-laptop: Allocate 1 entry extra in the sinf array
platform/x86: panasonic-laptop: Fix SINF array out of bounds accesses
As Jann points out, PFN mappings are special, because unlike normal
memory mappings, there is no lifetime information associated with the
mapping - it is just a raw mapping of PFNs with no reference counting of
a 'struct page'.
That's all very much intentional, but it does mean that it's easy to
mess up the cleanup in case of errors. Yes, a failed mmap() will always
eventually clean up any partial mappings, but without any explicit
lifetime in the page table mapping itself, it's very easy to do the
error handling in the wrong order.
In particular, it's easy to mistakenly free the physical backing store
before the page tables are actually cleaned up and (temporarily) have
stale dangling PTE entries.
To make this situation less error-prone, just make sure that any partial
pfn mapping is torn down early, before any other error handling.
Reported-and-tested-by: Jann Horn <jannh@google.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Jason Gunthorpe <jgg@ziepe.ca>
Cc: Simona Vetter <simona.vetter@ffwll.ch>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Merge tag 'nf-24-09-12' of git://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf
Pablo Neira Ayuso says:
====================
Netfilter fixes for net
The following batch contains two fixes from Florian Westphal:
Patch #1 fixes a sk refcount leak in nft_socket on mismatch.
Patch #2 fixes cgroupsv2 matching from containers due to incorrect
level in subtree.
netfilter pull request 24-09-12
* tag 'nf-24-09-12' of git://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf:
netfilter: nft_socket: make cgroupsv2 matching work with namespaces
netfilter: nft_socket: fix sk refcount leaks
====================
Link: https://patch.msgid.link/20240911222520.3606-1-pablo@netfilter.org
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Marc Kleine-Budde <mkl@pengutronix.de> says:
Under high CAN-bus load the struct net_device_ops::{open,stop}
callbacks (m_can_open(), m_can_close()) don't properly start and
shutdown the device.
Fix the problems by re-arranging the order of functions in
m_can_open() and m_can_close().
Link: https://patch.msgid.link/20240910-can-m_can-fix-ifup-v3-0-6c1720ba45ce@pengutronix.de
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
After calling m_can_stop() an interrupt may be pending or NAPI might
still be executed. This means the driver might still touch registers
of the IP core after the clocks have been disabled. This is not good
practice and might lead to aborts depending on the SoC integration.
To avoid these potential problems, make m_can_close() symmetric to
m_can_open(), i.e. stop the clocks at the end, right before shutting
down the transceiver.
Fixes: e0d1f4816f ("can: m_can: add Bosch M_CAN controller support")
Link: https://patch.msgid.link/20240910-can-m_can-fix-ifup-v3-2-6c1720ba45ce@pengutronix.de
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
If an interrupt (RX-complete or error flag) is set when bringing up
the CAN device, e.g. due to CAN bus traffic before initializing the
device, when m_can_start() is called and interrupts are enabled,
m_can_isr() is called immediately, which disables all CAN interrupts
and calls napi_schedule().
Because napi_enable() isn't called until later in m_can_open(), the
call to napi_schedule() never schedules the m_can_poll() callback and
the device is left with interrupts disabled and can't receive any CAN
packets until rebooted.
This can be verified by running "cansend" from another device before
setting the bitrate and calling "ip link set up can0" on the test
device. Adding debug lines to m_can_isr() shows it's called with flags
(IR_EP | IR_EW | IR_CRCE), which calls m_can_disable_all_interrupts()
and napi_schedule(), and then m_can_poll() is never called.
Move the call to napi_enable() above the call to m_can_start() to
enable any initial interrupt flags to be handled by m_can_poll() so
that interrupts are reenabled. Add a call to napi_disable() in the
error handling section of m_can_open(), to handle the case where later
functions return errors.
Also, in m_can_close(), move the call to napi_disable() below the call
to m_can_stop() to ensure all interrupts are handled when bringing
down the device. This race condition is much less likely to occur.
Tested on a Microchip SAMA7G54 MPU. The fix should be applicable to
any SoC with a Bosch M_CAN controller.
Signed-off-by: Jake Hamby <Jake.Hamby@Teledyne.com>
Fixes: e0d1f4816f ("can: m_can: add Bosch M_CAN controller support")
Link: https://patch.msgid.link/20240910-can-m_can-fix-ifup-v3-1-6c1720ba45ce@pengutronix.de
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Enabling 64-bit addressing for DMA buffers will prevent issues
on some memory constrained platforms like e.g. Raspberry Pi 5,
where the driver won't load because it cannot allocate enough
continuous memory in the default 32-bit memory address range.
Signed-off-by: Martin Jocic <martin.jocic@kvaser.com>
Link: https://patch.msgid.link/d7340f78e3db305bfeeb8229d2dd1c9077e10b92.1725875278.git.martin.jocic@kvaser.com
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Remove the CAN_CTRLMODE_3_SAMPLES announcement for CAN-USB/3-FD devices
because these devices don't support it.
The hardware has a Microchip SAM E70 microcontroller that uses a Bosch
MCAN IP core as CAN FD controller. But this MCAN core doesn't support
triple sampling.
Fixes: 80662d9430 ("can: esd_usb: Add support for esd CAN-USB/3")
Cc: stable@vger.kernel.org
Signed-off-by: Stefan Mätje <stefan.maetje@esd.eu>
Reviewed-by: Vincent Mailhol <mailhol.vincent@wanadoo.fr>
Link: https://patch.msgid.link/20240904222740.2985864-2-stefan.maetje@esd.eu
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
The referenced commit drops bad input, but has false positives.
Tighten the check to avoid these.
The check detects illegal checksum offload requests, which produce
csum_start/csum_off beyond end of packet after segmentation.
But it is based on two incorrect assumptions:
1. virtio_net_hdr_to_skb with VIRTIO_NET_HDR_GSO_TCP[46] implies GSO.
True in callers that inject into the tx path, such as tap.
But false in callers that inject into rx, like virtio-net.
Here, the flags indicate GRO, and CHECKSUM_UNNECESSARY or
CHECKSUM_NONE without VIRTIO_NET_HDR_F_NEEDS_CSUM is normal.
2. TSO requires checksum offload, i.e., ip_summed == CHECKSUM_PARTIAL.
False, as tcp[46]_gso_segment will fix up csum_start and offset for
all other ip_summed by calling __tcp_v4_send_check.
Because of 2, we can limit the scope of the fix to virtio_net_hdr
that do try to set these fields, with a bogus value.
Link: https://lore.kernel.org/netdev/20240909094527.GA3048202@port70.net/
Fixes: 89add40066 ("net: drop bad gso csum_start and offset in virtio_net_hdr")
Signed-off-by: Willem de Bruijn <willemb@google.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Cc: stable@vger.kernel.org
Link: https://patch.msgid.link/20240910213553.839926-1-willemdebruijn.kernel@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The MPTCP port attribute is in host endianness, but was documented
as big-endian in the ynl specification.
Below are two examples from net/mptcp/pm_netlink.c showing that the
attribute is converted to/from host endianness for use with netlink.
Import from netlink:
addr->port = htons(nla_get_u16(tb[MPTCP_PM_ADDR_ATTR_PORT]))
Export to netlink:
nla_put_u16(skb, MPTCP_PM_ADDR_ATTR_PORT, ntohs(addr->port))
Where addr->port is defined as __be16.
No functional change intended.
Fixes: bc8aeb2045 ("Documentation: netlink: add a YAML spec for mptcp")
Signed-off-by: Asbjørn Sloth Tønnesen <ast@fiberby.net>
Reviewed-by: Davide Caratti <dcaratti@redhat.com>
Reviewed-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Link: https://patch.msgid.link/20240911091003.1112179-1-ast@fiberby.net
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
When sending packets under 60 bytes, up to three bytes of the buffer
following the data may be leaked. Avoid this by extending all packets to
ETH_ZLEN, ensuring nothing is leaked in the padding. This bug can be
reproduced by running
$ ping -s 11 destination
Fixes: 9ad1a37493 ("dpaa_eth: add support for DPAA Ethernet")
Suggested-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: Sean Anderson <sean.anderson@linux.dev>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Link: https://patch.msgid.link/20240910143144.1439910-1-sean.anderson@linux.dev
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
There are two paths to access mptcp_pm_del_add_timer, result in a race
condition:
CPU1 CPU2
==== ====
net_rx_action
napi_poll netlink_sendmsg
__napi_poll netlink_unicast
process_backlog netlink_unicast_kernel
__netif_receive_skb genl_rcv
__netif_receive_skb_one_core netlink_rcv_skb
NF_HOOK genl_rcv_msg
ip_local_deliver_finish genl_family_rcv_msg
ip_protocol_deliver_rcu genl_family_rcv_msg_doit
tcp_v4_rcv mptcp_pm_nl_flush_addrs_doit
tcp_v4_do_rcv mptcp_nl_remove_addrs_list
tcp_rcv_established mptcp_pm_remove_addrs_and_subflows
tcp_data_queue remove_anno_list_by_saddr
mptcp_incoming_options mptcp_pm_del_add_timer
mptcp_pm_del_add_timer kfree(entry)
In remove_anno_list_by_saddr(running on CPU2), after leaving the critical
zone protected by "pm.lock", the entry will be released, which leads to the
occurrence of uaf in the mptcp_pm_del_add_timer(running on CPU1).
Keeping a reference to add_timer inside the lock, and calling
sk_stop_timer_sync() with this reference, instead of "entry->add_timer".
Move list_del(&entry->list) to mptcp_pm_del_add_timer and inside the pm lock,
do not directly access any members of the entry outside the pm lock, which
can avoid similar "entry->x" uaf.
Fixes: 00cfd77b90 ("mptcp: retransmit ADD_ADDR when timeout")
Cc: stable@vger.kernel.org
Reported-and-tested-by: syzbot+f3a31fb909db9b2a5c4d@syzkaller.appspotmail.com
Closes: https://syzkaller.appspot.com/bug?extid=f3a31fb909db9b2a5c4d
Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Signed-off-by: Edward Adam Davis <eadavis@qq.com>
Acked-by: Paolo Abeni <pabeni@redhat.com>
Link: https://patch.msgid.link/tencent_7142963A37944B4A74EF76CD66EA3C253609@qq.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The number of transmit and receive descriptors must be a multiple of 128
due to the hardware limitation. If it is set to a multiple of 8 instead of
a multiple 128, the queues will easily be hung.
Cc: stable@vger.kernel.org
Fixes: 883b5984a5 ("net: wangxun: add ethtool_ops for ring parameters")
Signed-off-by: Jiawen Wu <jiawenwu@trustnetic.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://patch.msgid.link/20240910095629.570674-1-jiawenwu@trustnetic.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The TAS module could not be configured when it's running in pending
status. We need disable the module and configure it again. However, the
pending status is not cleared after the module disabled. TC taprio set
will always return busy even it's disabled.
For example, a user uses tc-taprio to configure Qbv and a future
basetime. The TAS module will run in a pending status. There is no way
to reconfigure Qbv, it always returns busy.
Actually the TAS module can be reconfigured when it's disabled. So it
doesn't need to check the pending status if the TAS module is disabled.
After the patch, user can delete the tc taprio configuration to disable
Qbv and reconfigure it again.
Fixes: de143c0e27 ("net: dsa: felix: Configure Time-Aware Scheduler via taprio offload")
Signed-off-by: Xiaoliang Yang <xiaoliang.yang_1@nxp.com>
Link: https://patch.msgid.link/20240906093550.29985-1-xiaoliang.yang_1@nxp.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
In the function hsr_proxy_annouance() added in the previous commit
5f703ce5c9 ("net: hsr: Send supervisory frames to HSR network
with ProxyNodeTable data"), the return value of the hsr_port_get_hsr()
function is not checked to be a NULL pointer, which causes a NULL
pointer dereference.
To solve this, we need to add code to check whether the return value
of hsr_port_get_hsr() is NULL.
Reported-by: syzbot+02a42d9b1bd395cbcab4@syzkaller.appspotmail.com
Fixes: 5f703ce5c9 ("net: hsr: Send supervisory frames to HSR network with ProxyNodeTable data")
Signed-off-by: Jeongjun Park <aha310510@gmail.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Acked-by: Lukasz Majewski <lukma@denx.de>
Link: https://patch.msgid.link/20240907190341.162289-1-aha310510@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Matthieu Baerts says:
====================
selftests: mptcp: misc. small fixes
Here are some various fixes for the MPTCP selftests.
Patch 1 fixes a recently modified test to continue to work as expected
on older kernels. This is a fix for a recent fix that can be backported
up to v5.15.
Patch 2 and 3 include dependences when exporting or installing the
tests. Two fixes for v6.11-rc1.
====================
Link: https://patch.msgid.link/20240910-net-selftests-mptcp-fix-install-v1-0-8f124aa9156d@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Similar to the previous commit, the net_helper.sh file from the parent
directory is used by the MPTCP selftests and it needs to be present when
running the tests.
This file then needs to be listed in the Makefile to be included when
exporting or installing the tests, e.g. with:
make -C tools/testing/selftests \
TARGETS=net/mptcp \
install INSTALL_PATH=$KSFT_INSTALL_PATH
cd $KSFT_INSTALL_PATH
./run_kselftest.sh -c net/mptcp
Fixes: 1af3bc912e ("selftests: mptcp: lib: use wait_local_port_listen helper")
Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Link: https://patch.msgid.link/20240910-net-selftests-mptcp-fix-install-v1-3-8f124aa9156d@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The lib.sh file from the parent directory is used by the MPTCP selftests
and it needs to be present when running the tests.
This file then needs to be listed in the Makefile to be included when
exporting or installing the tests, e.g. with:
make -C tools/testing/selftests \
TARGETS=net/mptcp \
install INSTALL_PATH=$KSFT_INSTALL_PATH
cd $KSFT_INSTALL_PATH
./run_kselftest.sh -c net/mptcp
Fixes: f265d3119a ("selftests: mptcp: lib: use setup/cleanup_ns helpers")
Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Link: https://patch.msgid.link/20240910-net-selftests-mptcp-fix-install-v1-2-8f124aa9156d@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
A new endpoint using the IP of the initial subflow has been recently
added to increase the code coverage. But it breaks the test when using
old kernels not having commit 86e39e0448 ("mptcp: keep track of local
endpoint still available for each msk"), e.g. on v5.15.
Similar to commit d4c81bbb86 ("selftests: mptcp: join: support local
endpoint being tracked or not"), it is possible to add the new endpoint
conditionally, by checking if "mptcp_pm_subflow_check_next" is present
in kallsyms: this is not directly linked to the commit introducing this
symbol but for the parent one which is linked anyway. So we can know in
advance what will be the expected behaviour, and add the new endpoint
only when it makes sense to do so.
Fixes: 4878f9f842 ("selftests: mptcp: join: validate fullmesh endp on 1st sf")
Cc: stable@vger.kernel.org
Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Link: https://patch.msgid.link/20240910-net-selftests-mptcp-fix-install-v1-1-8f124aa9156d@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
When running in container environmment, /sys/fs/cgroup/ might not be
the real root node of the sk-attached cgroup.
Example:
In container:
% stat /sys//fs/cgroup/
Device: 0,21 Inode: 2214 ..
% stat /sys/fs/cgroup/foo
Device: 0,21 Inode: 2264 ..
The expectation would be for:
nft add rule .. socket cgroupv2 level 1 "foo" counter
to match traffic from a process that got added to "foo" via
"echo $pid > /sys/fs/cgroup/foo/cgroup.procs".
However, 'level 3' is needed to make this work.
Seen from initial namespace, the complete hierarchy is:
% stat /sys/fs/cgroup/system.slice/docker-.../foo
Device: 0,21 Inode: 2264 ..
i.e. hierarchy is
0 1 2 3
/ -> system.slice -> docker-1... -> foo
... but the container doesn't know that its "/" is the "docker-1.."
cgroup. Current code will retrieve the 'system.slice' cgroup node
and store its kn->id in the destination register, so compare with
2264 ("foo" cgroup id) will not match.
Fetch "/" cgroup from ->init() and add its level to the level we try to
extract. cgroup root-level is 0 for the init-namespace or the level
of the ancestor that is exposed as the cgroup root inside the container.
In the above case, cgrp->level of "/" resolved in the container is 2
(docker-1...scope/) and request for 'level 1' will get adjusted
to fetch the actual level (3).
v2: use CONFIG_SOCK_CGROUP_DATA, eval function depends on it.
(kernel test robot)
Cc: cgroups@vger.kernel.org
Fixes: e0bb96db96 ("netfilter: nft_socket: add support for cgroupsv2")
Reported-by: Nadia Pinaeva <n.m.pinaeva@gmail.com>
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
We must put 'sk' reference before returning.
Fixes: 039b1f4f24 ("netfilter: nft_socket: fix erroneous socket assignment")
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
The bulk of the changes this time are for device tree files in the
rockchips platform, addressing correctness issues on individual
boards, plus one change in the rk356x SoC file to make it match
the binding.
The only other changes that came in are
- a CPU frequencey scaling fix for JH7110 (RISC-V)
- a build fix for the cznic hwrandom driver
- a fix for a deadlock in qualcomm uefi secure
application firmware driver
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Merge tag 'arm-fixes-6.11-3' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM SoC fixes from Arnd Bergmann:
"The bulk of the changes this time are for device tree files in the
rockchips platform, addressing correctness issues on individual
boards, plus one change in the rk356x SoC file to make it match the
binding.
The only other changes that came in are
- a CPU frequencey scaling fix for JH7110 (RISC-V)
- a build fix for the cznic hwrandom driver
- a fix for a deadlock in qualcomm uefi secure application firmware
driver"
* tag 'arm-fixes-6.11-3' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc:
platform: cznic: turris-omnia-mcu: fix HW_RANDOM dependency
riscv: dts: starfive: jh7110-common: Fix lower rate of CPUfreq by setting PLL0 rate to 1.5GHz
firmware: qcom: uefisecapp: Fix deadlock in qcuefi_acquire()
arm64: dts: rockchip: Fix compatibles for RK3588 VO{0,1}_GRF
dt-bindings: soc: rockchip: Fix compatibles for RK3588 VO{0,1}_GRF
arm64: dts: rockchip: override BIOS_DISABLE signal via GPIO hog on RK3399 Puma
arm64: dts: rockchip: fix eMMC/SPI corruption when audio has been used on RK3399 Puma
arm64: dts: rockchip: fix PMIC interrupt pin in pinctrl for ROCK Pi E
arm64: dts: rockchip: Remove broken tsadc pinctrl binding for rk356x
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Merge tag 'for-6.11/dm-fixes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm
Pull device mapper fix from Mikulas Patocka:
- fix a race condition in dm-integrity
* tag 'for-6.11/dm-fixes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm:
dm-integrity: fix a race condition when accessing recalc_sector
Avoid unnecessary nested min()/max() which results in egregious macro
expansion.
Use clamp_t() as this introduces the least possible expansion, and turn
the {s,u}DIGIT_FITTING() macros into inline functions to avoid the
nested expansion.
This resolves an issue with slackware 15.0 32-bit compilation as
reported by Richard Narron.
Presumably the min/max fixups would be difficult to backport, this patch
should be easier and fix's Richard's problem in 5.15.
Reported-by: Richard Narron <richard@aaazen.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Closes: https://lore.kernel.org/all/4a5321bd-b1f-1832-f0c-cea8694dc5aa@aaazen.com/
Fixes: 867046cc70 ("minmax: relax check to allow comparison between unsigned arguments and signed constants")
Cc: stable@vger.kernel.org
Signed-off-by: Lorenzo Stoakes <lorenzo.stoakes@oracle.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
StarFive:
A fix to return one of the clocks on the JH7110 from 1 GHz to 1.5 GHz
Signed-off-by: Conor Dooley <conor.dooley@microchip.com>
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Merge tag 'riscv-soc-fixes-for-v6.11-final' of https://git.kernel.org/pub/scm/linux/kernel/git/conor/linux into arm/fixes
RISC-V soc fixes for v6.11-final
StarFive:
A fix to return one of the clocks on the JH7110 from 1 GHz to 1.5 GHz
Signed-off-by: Conor Dooley <conor.dooley@microchip.com>
* tag 'riscv-soc-fixes-for-v6.11-final' of https://git.kernel.org/pub/scm/linux/kernel/git/conor/linux:
riscv: dts: starfive: jh7110-common: Fix lower rate of CPUfreq by setting PLL0 rate to 1.5GHz
Link: https://lore.kernel.org/r/20240909-hybrid-groovy-601a33b5b309@spud
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
There is still a build failure when the rwrng support is in a loadable
module but the mcu driver is built-in:
arm-linux-gnueabi-ld: drivers/platform/cznic/turris-omnia-mcu-trng.o: in function `omnia_mcu_register_trng':
turris-omnia-mcu-trng.c:(.text.omnia_mcu_register_trng+0x11c): undefined reference to `devm_hwrng_register'
Change the dependency to explicitly disallow the broken
configuration.
Fixes: 41bb142a40 ("platform: cznic: turris-omnia-mcu: Add support for MCU provided TRNG")
Reviewed-by: Marek Behún <kabel@kernel.org>
Link: https://lore.kernel.org/r/20240909110417.247453-1-arnd@kernel.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Tony Nguyen says:
====================
Intel Wired LAN Driver Updates 2024-09-09 (ice, igb)
This series contains updates to ice and igb drivers.
Martyna moves LLDP rule removal to the proper uninitialization function
for ice.
Jake corrects accounting logic for FWD_TO_VSI_LIST switch filters on
ice.
Przemek removes incorrect, explicit calls to pci_disable_device() for
ice.
Michal Schmidt stops incorrect use of VSI list for VLAN use on ice.
Sriram Yagnaraman adjusts igb_xdp_ring_update_tail() to be called under
Tx lock on igb.
* '100GbE' of git://git.kernel.org/pub/scm/linux/kernel/git/tnguy/net-queue:
igb: Always call igb_xdp_ring_update_tail() under Tx lock
ice: fix VSI lists confusion when adding VLANs
ice: stop calling pci_disable_device() as we use pcim
ice: fix accounting for filters shared by multiple VSIs
ice: Fix lldp packets dropping after changing the number of channels
====================
Link: https://patch.msgid.link/20240909203842.3109822-1-anthony.l.nguyen@intel.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'mlx5-fixes-2024-09-09' of git://git.kernel.org/pub/scm/linux/kernel/git/saeed/linux
Saeed Mahameed says:
====================
mlx5 fixes 2024-09-09
This series provides bug fixes to mlx5 driver.
* tag 'mlx5-fixes-2024-09-09' of git://git.kernel.org/pub/scm/linux/kernel/git/saeed/linux:
net/mlx5: Fix bridge mode operations when there are no VFs
net/mlx5: Verify support for scheduling element and TSAR type
net/mlx5: Add missing masks and QoS bit masks for scheduling elements
net/mlx5: Explicitly set scheduling element and TSAR type
net/mlx5e: Add missing link mode to ptys2ext_ethtool_map
net/mlx5e: Add missing link modes to ptys2ethtool_map
net/mlx5: Update the list of the PCI supported devices
====================
Link: https://patch.msgid.link/20240909194505.69715-1-saeed@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Add net/ethtool/pse-pd.c to PSE NETWORK DRIVER to receive emails concerning
modifications to the ethtool part.
Reviewed-by: Oleksij Rempel <o.rempel@pengutronix.de>
Signed-off-by: Kory Maincent <kory.maincent@bootlin.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://patch.msgid.link/20240909114336.362174-1-kory.maincent@bootlin.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
As Rob pointed in another mail thread [1], the binding of tja11xx PHY
is completely broken, the schema cannot catch the error in the DTS. A
compatiable string must be needed if we want to add a custom propety.
So extract known PHY IDs from the tja11xx PHY drivers and convert them
into supported compatible string list to fix the broken binding issue.
Fixes: 52b2fe4535 ("dt-bindings: net: tja11xx: add nxp,refclk_in property")
Link: https://lore.kernel.org/31058f49-bac5-49a9-a422-c43b121bf049@kernel.org # [1]
Signed-off-by: Wei Fang <wei.fang@nxp.com>
Reviewed-by: Rob Herring (Arm) <robh@kernel.org>
Link: https://patch.msgid.link/20240909012152.431647-1-wei.fang@nxp.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Padding is not included in UDP and TCP checksums. Therefore, reduce the
length of the checksummed data to include only the data in the IP
payload. This fixes spurious reported checksum failures like
rx: pkt: sport=33000 len=26 csum=0xc850 verify=0xf9fe
pkt: bad csum
Technically it is possible for there to be trailing bytes after the UDP
data but before the Ethernet padding (e.g. if sizeof(ip) + sizeof(udp) +
udp.len < ip.len). However, we don't generate such packets.
Fixes: 91a7de8560 ("selftests/net: add csum offload test")
Signed-off-by: Sean Anderson <sean.anderson@linux.dev>
Reviewed-by: Willem de Bruijn <willemb@google.com>
Link: https://patch.msgid.link/20240906210743.627413-1-sean.anderson@linux.dev
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The probe() function is only used for DP83822 and DP83826 PHY,
leaving the private data pointer uninitialized for the DP83825 models
which causes a NULL pointer dereference in the recently introduced/changed
functions dp8382x_config_init() and dp83822_set_wol().
Add the dp8382x_probe() function, so all PHY models will have a valid
private data pointer to fix this issue and also prevent similar issues
in the future.
Fixes: 9ef9ecfa9e ("net: phy: dp8382x: keep WOL settings across suspends")
Signed-off-by: Tomas Paukrt <tomaspaukrt@email.cz>
Reviewed-by: Maxime Chevallier <maxime.chevallier@bootlin.com>
Link: https://patch.msgid.link/66w.ZbGt.65Ljx42yHo5.1csjxu@seznam.cz
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
- Move declaration of interface_lock outside of CONFIG_TIMERLAT_TRACER
The fix to some locking races moved the declaration of the
interface_lock up in the file, but also moved it into the
CONFIG_TIMERLAT_TRACER #ifdef block, breaking the build when
that wasn't set. Move it further up and out of that #ifdef block.
- Remove unused function run_tracer_selftest() stub
When CONFIG_FTRACE_STARTUP_TEST is not set the stub function
run_tracer_selftest() is not used and clang is warning about it.
Remove the function stub as it is not needed.
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Merge tag 'trace-v6.11-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace
Pull tracing fixes from Steven Rostedt:
- Move declaration of interface_lock outside of CONFIG_TIMERLAT_TRACER
The fix to some locking races moved the declaration of the
interface_lock up in the file, but also moved it into the
CONFIG_TIMERLAT_TRACER #ifdef block, breaking the build when that
wasn't set. Move it further up and out of that #ifdef block.
- Remove unused function run_tracer_selftest() stub
When CONFIG_FTRACE_STARTUP_TEST is not set the stub function
run_tracer_selftest() is not used and clang is warning about it.
Remove the function stub as it is not needed.
* tag 'trace-v6.11-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace:
tracing: Drop unused helper function to fix the build
tracing/osnoise: Fix build when timerlat is not enabled
