Commit 651fdda840 ("relay: update relay to use mmap_prepare")
changed the `mmap` file operation to `mmap_prepare` for relayfs, but
the lockdown check in debugfs was not updated accordingly.
This prevents debugfs from being locked down when the kernel is in
integrity mode if a file uses `mmap_prepare` but not `mmap`.
Since the conversion to `mmap_prepare` across the kernel is not yet
complete, update the lockdown check to look for both `mmap` and
`mmap_prepare` to ensure comprehensive coverage.
Fixes: 651fdda840 ("relay: update relay to use mmap_prepare")
Signed-off-by: Chun-Yi Lee <jlee@suse.com>
Cc: David Howells <dhowells@redhat.com>
Cc: Lorenzo Stoakes <ljs@kernel.org>
Cc: Andy Shevchenko <andy.shevchenko@gmail.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Rafael J. Wysocki <rafael@kernel.org>
Cc: Matthew Garrett <mjg59@srcf.ucam.org>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Danilo Krummrich <dakr@kernel.org>
Cc: driver-core@lists.linux.dev
Cc: linux-kernel@vger.kernel.org
Cc: stable@vger.kernel.org
Tested-by: Disha Goel <disgoel@linux.ibm.com>
Reviewed-by: Lorenzo Stoakes <ljs@kernel.org>
Link: https://patch.msgid.link/20260615104750.1000-1-jlee@suse.com
Signed-off-by: Danilo Krummrich <dakr@kernel.org>
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Merge tag 'v7.2-rc1' into drm-rust-next
Merge v7.2-rc1 into drm-rust-next to start the next cycle.
Devres now requires T: 'static, which conflicts with shmem::Object using
Devres<SGTableMap<T, C>> without that bound. Resolve by adding 'static
as a supertrait to DriverObject and DeviceContext, which does not
restrict any current use cases since DriverObject is always implemented
on owned, refcounted types and DeviceContext is a sealed marker trait
with only unit-type implementors.
If DriverObject (or DeviceContext) ever becomes lifetime-parameterized
(e.g. via a GAT for TTM backed objects), the 'static supertrait can be
relaxed at that point.
Signed-off-by: Danilo Krummrich <dakr@kernel.org>
The argument args is not documented, and the latest kernel version
complains about that.
This fixes the following warning:
Warning: include/media/media-entity.h:1394 function parameter 'args'
not described in 'media_entity_call'
Fixes: 48a7c4bac9 ("[media] docs-rst: improve the kAPI documentation for the mediactl")
Signed-off-by: Ricardo Ribalda <ribalda@chromium.org>
Reviewed-by: Daniel Scally <dan.scally@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Hans Verkuil <hverkuil+cisco@kernel.org>
The variable has been previously removed but not its kerneldoc.
Also remove the leftover reference to state in the description of qlock.
This patch fixes the following warning:
Warning: drivers/media/platform/renesas/rzg2l-cru/rzg2l-cru.h:164
Excess struct member 'state' description in 'rzg2l_cru_dev'
Fixes: 85d8820d48 ("media: rzg2l-cru: Remove the 'state' variable")
Signed-off-by: Ricardo Ribalda <ribalda@chromium.org>
Reviewed-by: Daniel Scally <dan.scally@ideasonboard.com>
Reviewed-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Signed-off-by: Hans Verkuil <hverkuil+cisco@kernel.org>
The field has been removed, but the kerneldoc not. Let's take care of
this.
This patch fixes the following warning:
Warning: drivers/media/i2c/ov9282.c:223 Excess struct member 'mutex'
description in 'ov9282'
Fixes: 0c69a963a3 ("media: i2c: ov9282: Switch to using the sub-device state lock")
Signed-off-by: Ricardo Ribalda <ribalda@chromium.org>
Reviewed-by: Daniel Scally <dan.scally@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Reviewed-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
Signed-off-by: Hans Verkuil <hverkuil+cisco@kernel.org>
When batadv_tp_handle_out_of_order() searches the already existing list of
unacked packets, it can often find an entry to merge with. In this case, it
would be a waste of time and resources to allocate a batadv_tp_unacked
which is then immediately freed again.
Instead, search first through the list. Only when no mergeable entry could
be found, it is necessary to record the place to allocate+store the new
entry.
Signed-off-by: Sven Eckelmann <sven@narfation.org>
The lock used to protect the receiver from reading/writing in parallel to
ack sequence number relevant data was still called unacked_lock. But it is
no longer only about the unacked_list. Use a broader term to reflect this.
Signed-off-by: Sven Eckelmann <sven@narfation.org>
There is no need to share the unacked list between sender and receivers.
Only receivers will ever write to and read from it. The initialization in
batadv_tp_start() was therefore never needed. After its removal, it is
enough to just store it in struct batadv_tp_receiver.
Signed-off-by: Sven Eckelmann <sven@narfation.org>
Right at the point when the receiver gets the first packet with a seqno gap
(due to some packet loss/reordering), entries in the unacked list are
created. They are (besides direct seqno matches) are not combined. A lot
more then necessary entries are therefore created. Not for each gap but for
each packet.
This increases the memory consumption and management overhead. But it is
trivial to handle overlapping or adjacent sequence number ranges during the
insert. Only the handling of closed gaps by a new packets requires an extra
step after the insert.
Signed-off-by: Sven Eckelmann <sven@narfation.org>
When batadv_tp_ack_unordered() goes through the list of unacked sequence
numbers and checks for now closed gaps, it is first calculating a delta of
the sequence numbers which could be acked. Just to revert this calculation
in the next steps to the sequence number which would be ackable.
Skip the delta step and directly work with the sequence numbers.
Signed-off-by: Sven Eckelmann <sven@narfation.org>
batadv_tvlv_containers_contain() and batadv_tvlv_containers_process() are
using the same code to iterate through the TVLV containers. To simplify the
code, extract the shared portions of both functions.
Signed-off-by: Sven Eckelmann <sven@narfation.org>
With the immutability guarantee of batadv_hard_iface->mesh_iface, the check
for "changed" (or NULL) mesh_iface is no longer necessary because a
batadv_hard_iface can no longer migrate from one batadv_mesh_iface to
another one.
Signed-off-by: Sven Eckelmann <sven@narfation.org>
With the immutability guarantee of batadv_hard_iface->mesh_iface, the check
for "changed" (or NULL) mesh_iface doesn't work anymore and is also no
longer necessary. The extra (complicated) code for the sending of OGMv2s
can therefore be removed and the original code can be used again.
This reverts commit f8ce8b8331.
Signed-off-by: Sven Eckelmann <sven@narfation.org>
The batadv_hard_iface->mesh_iface became immutable after the global
batadv_hardif_list was removed and batadv_hard_iface only exists when it is
assigned to an mesh_iface. This member can never become NULL and thus a
check is now unnecessary.
Signed-off-by: Sven Eckelmann <sven@narfation.org>
The only use of the label was too early for primary_if to be set
anyways.
Also move the put of primary_if further up to hold the reference only as
long as necessary, hopefully avoiding the need to re-introduce the goto
label with future code changes.
Signed-off-by: Nora Schiffer <neocturne@universe-factory.net>
Signed-off-by: Sven Eckelmann <sven@narfation.org>
The counter doesn't need to be global.
Signed-off-by: Nora Schiffer <neocturne@universe-factory.net>
Signed-off-by: Sven Eckelmann <sven@narfation.org>
With hardifs only existing while an interface is part of a mesh, the
BATADV_IF_NOT_IN_USE state has become redundant.
Signed-off-by: Nora Schiffer <neocturne@universe-factory.net>
Signed-off-by: Sven Eckelmann <sven@narfation.org>
With the hard_iface now being created for a specific mesh_iface, it is
beneficial not to set mesh_iface to NULL when the interface is disabled,
but instead keeping it immutable after the initial setup of the
hard_iface. By also holding the reference to the mesh_iface until the
hard_iface is released, hard_ifaces iterated over under RCU will always
point to a valid mesh_iface.
Co-developed-by: Nora Schiffer <neocturne@universe-factory.net>
Signed-off-by: Nora Schiffer <neocturne@universe-factory.net>
Signed-off-by: Sven Eckelmann <sven@narfation.org>
With interfaces being kept track of as iflink private data, there is no
need for the global list anymore. batadv_hardif_get_by_netdev() can now
use netdev_master_upper_dev_get()+netdev_lower_dev_get_private() to find
the hardif corresponding to a netdev.
Signed-off-by: Nora Schiffer <neocturne@universe-factory.net>
Signed-off-by: Sven Eckelmann <sven@narfation.org>
batman-adv is using netdev notifiers to create a hard_iface struct for
every Ethernet-like netdev in the system. These hardifs are tracked in a
global linked list, which results in a few performance issues:
Lookups in this list are O(n) in the total number of netdevs. As a
hardif is looked up when a netdev is removed, this also takes O(n) in
the number of netdevs, and removing n netdevs may take O(n^2). This
slowdown will always happen when the batman-adv module is loaded, no
mesh needs to be active.
With the hardif being referenced as iflink private data, the global list
is only needed for hardifs that are *not* part of a mesh (that is, the
hardif is unused). To prepare for removing the global list, only create
a hardif struct when an interface is added to a mesh and destroy it on
removal.
As adding/removing and enabling/disabling a hardif become one and the
same, batadv_hardif_add_interface() is merged into
batadv_hardif_enable_interface(), and batadv_hardif_remove_interface()
can be dropped altogether.
Signed-off-by: Nora Schiffer <neocturne@universe-factory.net>
Signed-off-by: Sven Eckelmann <sven@narfation.org>
No in-tree board references these gates yet. Boards drive the codec
MCLK through the parent I2S*_8CH_MCLKOUT, and now that the gates are
managed clocks, clk_disable_unused() turns them off at boot. On a board
that relied on firmware leaving the output enabled, that cuts the MCLK
and analog audio stops working.
Mark the four gates CLK_IGNORE_UNUSED so an unreferenced gate keeps the
state firmware left. A board that wants the kernel to own the gate can
reference I2S*_8CH_MCLKOUT_TO_IO from DT instead.
Fixes: 02b9b0bb62 ("clk: rockchip: rk3588: add GATE_GRF clocks for I2S MCLK output to IO")
Reported-by: Diederik de Haas <diederik@cknow-tech.com>
Closes: https://lore.kernel.org/linux-rockchip/DJGDSS875DDO.22TYPVYK5X8KZ@cknow-tech.com/
Tested-by: Diederik de Haas <diederik@cknow-tech.com>
Signed-off-by: Daniele Briguglio <hello@superkali.me>
Tested-by: Ricardo Pardini <ricardo@pardini.net> # on R58X-Pro+NanoPC-T6
Reviewed-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Link: https://patch.msgid.link/20260624123914.1767374-1-hello@superkali.me
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
According to the Jedec 5.1 specification, the device is held in reset
when RST_n is low, therefore the polarity of the line must be that, as
specified in the Device Tree binding (mmc/mmc-pwrseq-emmc.yaml).
Due to the wrong polarity, eMMC devices with RST_n_FUNCTION[162]
bitfield [1:0] set to 0x1 (the default is 0x0) will be held in reset
forever.
Cc: stable@vger.kernel.org
Fixes: 56198acdbf ("arm64: dts: rockchip: add px30-pp1516 base dtsi and board variants")
Signed-off-by: Quentin Schulz <quentin.schulz@cherry.de>
Link: https://patch.msgid.link/20260612-pp1516-emmc-polarity-v1-1-4816c1c909f7@cherry.de
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Technically, the reset signal is active low - it's called RST_n after all.
But it is ignored completely unless RST_n_FUNCTION=1 (byte 162 in extcsd)
is set in the emmc. It is 0 per default.
For emmcs that have RST_n_FUNCTION=1 we failed like this:
[ 3.074480] mmc1: Failed to initialize a non-removable card
With this change they work normally.
Cc: stable@vger.kernel.org
Fixes: bb510ddc9d ("arm64: dts: rockchip: add px30-cobra base dtsi and board variants")
Signed-off-by: Jakob Unterwurzacher <jakob.unterwurzacher@cherry.de>
Tested-by: Quentin Schulz <quentin.schulz@cherry.de>
Reviewed-by: Quentin Schulz <quentin.schulz@cherry.de>
Link: https://patch.msgid.link/20260609081728.30616-2-jakobunt@gmail.com
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
device removal, along with documentation fixes and minor AMD driver
cleanups.
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Merge tag 'ntb-7.2' of https://github.com/jonmason/ntb
Pull NTB updates from Jon Mason:
"An EPF bug fix to prevent an invalid unmap during device removal,
along with documentation fixes and minor AMD driver cleanups"
* tag 'ntb-7.2' of https://github.com/jonmason/ntb:
ntb: amd: Use named initializer for pci_device_id::driver_data
NTB: fix kernel-doc warnings in ntb.h
NTB: epf: Avoid pci_iounmap() with offset when PEER_SPAD and CONFIG share BAR
ntb_hw_amd: Fix incorrect debug message in link disable path
- Updates to Synaptics RMI4 driver to fix potential OOB accesses in
F30 and F3A keymap handling
- A workaround in Synaptics RMI4 to tolerate buggy firmware on some
touchpads (e.g. ThinkPad T14 Gen 1) that report incomplete register
descriptor structures, preventing probe failures
- A revert of an incorrect register descriptor address calculation in
Synaptics RMI4 driver
- A fix for a regression in HP GSC PS/2 (gscps2) driver where the
receive buffer write index was not advanced, leaving keyboard and
mouse unusable.
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Merge tag 'input-for-v7.2-rc0-2' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull more input updates from Dmitry Torokhov:
- Updates to Synaptics RMI4 driver to fix potential OOB accesses in F30
and F3A keymap handling
- A workaround in Synaptics RMI4 to tolerate buggy firmware on some
touchpads (e.g. ThinkPad T14 Gen 1) that report incomplete register
descriptor structures, preventing probe failures
- A revert of an incorrect register descriptor address calculation in
Synaptics RMI4 driver
- A fix for a regression in HP GSC PS/2 (gscps2) driver where the
receive buffer write index was not advanced, leaving keyboard and
mouse unusable.
* tag 'input-for-v7.2-rc0-2' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
Input: gscps2 - advance receive buffer write index
Input: rmi4 - tolerate short register descriptor structure
Revert "Input: rmi4 - fix register descriptor address calculation"
Input: synaptics-rmi4 - bound the F30 keymap to the GPIO/LED count
Input: synaptics-rmi4 - bound the F3A keymap to the GPIO count
When batadv_get_vid() accesses the proto field of the ethernet header, it
is not checking if the data itself is accessible. The caller is responsible
for it. But in contrast to other call sites, batadv_dat_get_vid() and its
caller didn't make sure this is true. This could have caused an
out-of-bounds access.
Cc: stable@vger.kernel.org
Reported-by: Sashiko <sashiko-bot@kernel.org>
Fixes: be1db4f661 ("batman-adv: make the Distributed ARP Table vlan aware")
Signed-off-by: Sven Eckelmann <sven@narfation.org>
The pskb_may_pull() called by batadv_bla_is_backbone_gw() could reallocate
the buffer behind the skb. Variables which were pointing to the old buffer
need to be reassigned to avoid an use-after-free.
Cc: stable@vger.kernel.org
Fixes: 9e794b6bf4 ("batman-adv: drop unicast packets from other backbone gw")
Signed-off-by: Sven Eckelmann <sven@narfation.org>
The pskb_may_pull() called by batadv_get_vid() could reallocate the buffer
behind the skb. Variables which were pointing to the old buffer need to be
reassigned to avoid an use-after-free.
Cc: stable@vger.kernel.org
Fixes: b61ec31c85 ("batman-adv: Snoop DHCPACKs for DAT")
Signed-off-by: Sven Eckelmann <sven@narfation.org>
The pskb_may_pull() called by batadv_get_vid() could reallocate the buffer
behind the skb. Variables which were pointing to the old buffer need to be
reassigned to avoid an use-after-free.
Cc: stable@vger.kernel.org
Fixes: 6c413b1c22 ("batman-adv: send every DHCP packet as bat-unicast")
Signed-off-by: Sven Eckelmann <sven@narfation.org>
The pskb_may_pull() called by batadv_get_vid() could reallocate the buffer
behind the skb. Variables which were pointing to the old buffer need to be
reassigned to avoid an use-after-free.
This was done correctly for the ethernet header but missed for the
unicast_packet pointer.
Cc: stable@vger.kernel.org
Reported-by: Sashiko <sashiko-bot@kernel.org>
Fixes: c018ad3de6 ("batman-adv: add the VLAN ID attribute to the TT entry")
Signed-off-by: Sven Eckelmann <sven@narfation.org>
pskb_may_pull() in batadv_interface_rx() could reallocate the buffer behind
the skb. Variables which were pointing to the old buffer need to be
reassigned to avoid an use-after-free.
This was done correctly for the VLAN header but missed for the ethernet
header which is later used for the TT and AP isolation handling.
Cc: stable@vger.kernel.org
Reported-by: Sashiko <sashiko-bot@kernel.org>
Fixes: c6c8fea297 ("net: Add batman-adv meshing protocol")
Fixes: c78296665c ("batman-adv: Check skb size before using encapsulated ETH+VLAN header")
Signed-off-by: Sven Eckelmann <sven@narfation.org>
Map xmit skb fragments using skb_frag_dma_map() instead of
dma_map_single(skb_frag_address()). skb_frag_address() relies on
page_address() to obtain a kernel virtual address, which is not
guaranteed to work for all page types (e.g. highmem pages or
user-pinned pages from MSG_ZEROCOPY).
skb_frag_dma_map() maps the fragment directly via its struct page and
offset through dma_map_page(), avoiding the need for a kernel virtual
address entirely.
Introduce an enum airoha_dma_map_type to track how each queue entry was
mapped (single vs page), so that the matching unmap function is called
on completion and in error paths.
Fixes: 23020f0493 ("net: airoha: Introduce ethernet support for EN7581 SoC")
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Reviewed-by: Harshitha Ramamurthy <hramamurthy@google.com>
Link: https://patch.msgid.link/20260625-airoha-eth-skb_frag_dma_map-v1-1-31d9e460aae6@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The tag_8021q.c tagger calls vlan_insert_tag() in dsa_8021q_xmit().
vlan_insert_tag() will consume the skb with kfree_skb() on failure
and return NULL.
When NULL is returned as error code to ->xmit() in dsa_user_xmit()
it will free the same skb again leading to a double-free.
The idea of dsa_user_xmit() and dsa_switch_rcv() dropping the skb
they held before the call to ->xmit() and ->rcv() is conceptually
wrong: the pattern elsewhere in the networking code is that consumers
drop their skb:s on failure.
Modify the ->xmit() and ->rcv() call sites to not drop the SKB if
the taggers return NULL from any of these calls. Move those drops into
the taggers so every callback error path that retains ownership consumes
the skb before returning NULL.
Keep the existing helper ownership rules: VLAN insertion helpers already
free on failure (this is the case in tag_8021q.c), while deferred
transmit paths either transfer the skb reference to worker context or
hold a worker reference with skb_get() and drop the caller's reference.
For SJA1105 meta RX, transfer the buffered stampable skb under the meta
lock and return NULL while the skb is waiting for its meta frame: the
skb is not dropped in this case.
NOTICE: Backporting patches to taggers (e.g. for stable kernels) after
this point cannot be mechanical or they will introduce double
kfree_skb().
Reported-by: Sashiko AI Review <sashiko-bot@kernel.org>
Closes: https://lore.kernel.org/r/20260610153952.1685895-1-kuba@kernel.org/
Suggested-by: Jakub Kicinski <kuba@kernel.org>
Acked-by: David Yang <mmyangfl@gmail.com> # yt921x
Acked-by: Kurt Kanzenbach <kurt@linutronix.de> # hellcreek
Reviewed-by: Wei Fang <wei.fang@nxp.com> # netc
Signed-off-by: Linus Walleij <linusw@kernel.org>
Link: https://patch.msgid.link/20260625-dsa-fix-free-skb-v5-1-b5931e4cbdb0@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
In SCTP handshake, the INIT chunk is initially processed by the server
and embedded into the cookie carried in INIT-ACK. The client then
returns this cookie via COOKIE-ECHO, where the server unpacks it and
reconstructs the original INIT chunk.
When cookie authentication is enabled, the cookie contents are protected
against tampering, so reusing the unpacked INIT without re-verification
is safe.
However, when cookie authentication is disabled, the reconstructed INIT
can no longer be trusted. In this case, the INIT must be explicitly
validated after unpacking to avoid processing potentially tampered data.
Add sctp_verify_init() checks after cookie unpacking in COOKIE-ECHO
processing paths (sctp_sf_do_5_1D_ce() and sctp_sf_do_5_2_4_dupcook())
when cookie_auth_enable is disabled. On failure, the new association is
freed and the packet is discarded.
Also tighten cookie validation in sctp_unpack_cookie() by verifying the
embedded chunk type is SCTP_CID_INIT before treating it as an INIT
chunk.
Finally, update sctp_verify_init() to validate parameter bounds using
the actual embedded INIT length instead of chunk->chunk_end, since the
INIT stored in COOKIE-ECHO may not span the entire chunk buffer.
Fixes: 1da177e4c3 ("Linux-2.6.12-rc2")
Signed-off-by: Xin Long <lucien.xin@gmail.com>
Link: https://patch.msgid.link/ebcbbac574815b0850f371b4bdb02f2e602b94d3.1782341592.git.lucien.xin@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
There is a use-after-free error on netpoll, which is clearly detected by
KASAN.
BUG: KASAN: slab-use-after-free in _raw_spin_lock_irqsave+0x3b/0x80
Read of size 1 at addr ... by task kworker/9:1
Workqueue: events queue_process
Call Trace:
skb_dequeue+0x1e/0xb0
queue_process+0x2c/0x600
process_scheduled_works+0x4b6/0x850
worker_thread+0x414/0x5a0
Allocated by task 242:
__netpoll_setup+0x201/0x4a0
netpoll_setup+0x249/0x550
enabled_store+0x32f/0x380
Freed by task 0:
kfree+0x1b7/0x540
rcu_core+0x3f8/0x7a0
The problem happens when there is a pending TX worker running in
parallel with the cleanup path.
This is what happens on netpoll shutdown path:
1) __netpoll_cleanup() is called
2) set dev->npinfo to NULL
3) call_rcu() with rcu_cleanup_netpoll_info()
3.1) rcu_cleanup_netpoll_info() tries to cancel all workers with
cancel_delayed_work(), but doesn't wait for the worker to finish
4) and kfree(npinfo);
Because 3.1) doesn't really cancel the work, as the comment says "we
can't call cancel_delayed_work_sync here, as we are in softirq", the TX
worker can run after 4).
Tl;DR: queue_process() is not an RCU reader, it reaches npinfo through
the work item via container_of().
Use disable_delayed_work_sync() to ensure the worker is completely
stopped and prevent any future re-arming attempts. Once npinfo is set
to NULL, senders will bail out and not queue new work. The disable flag
ensures any in-flight re-arming attempts also fail silently.
In the future, we can do the cleanup inline here without needing the
npinfo->rcu rcu_head, but that is net-next material.
Cc: stable@vger.kernel.org
Fixes: 38e6bc185d ("netpoll: make __netpoll_cleanup non-block")
Reviewed-by: Pavan Chebbi <pavan.chebbi@broadcom.com>
Signed-off-by: Breno Leitao <leitao@debian.org>
Link: https://patch.msgid.link/20260625-netpoll_rcu_fix-v2-1-0748ffac1e98@debian.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
SCTP_RESET_STREAMS carries a flexible array of u16 stream IDs, but the
optlen clamps treat USHRT_MAX as a byte count and then multiply
sizeof(__u16) by the fixed header size.
That caps the copied and validated option buffer at about 64 KiB, which
rejects valid requests containing more than about half of the u16 stream
ID range.
Use struct_size_t() for the maximum struct sctp_reset_streams layout
instead, so the bound matches the flexible array described by
srs_number_streams.
Fixes: 5960cefab9 ("sctp: add a ceiling to optlen in some sockopts")
Acked-by: Xin Long <lucien.xin@gmail.com>
Signed-off-by: Yousef Alhouseen <alhouseenyousef@gmail.com>
Link: https://patch.msgid.link/20260625142354.2600-1-alhouseenyousef@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The size of xdp_redirect_arr array is ENETC_MAX_SKB_FRAGS. However, the
number of fragments contained in xdp_frame may be greater than or equal
to ENETC_MAX_SKB_FRAGS, which will cause the access to xdp_redirect_arr
to be out of bounds.
Fixes: 9d2b68cc10 ("net: enetc: add support for XDP_REDIRECT")
Signed-off-by: Wei Fang <wei.fang@nxp.com>
Link: https://patch.msgid.link/20260626073244.2168214-1-wei.fang@oss.nxp.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Update the maintainer entries for the Marvell OcteonTX (RVU) drivers to
reflect recent organizational changes.
Signed-off-by: Ratheesh Kannoth <rkannoth@marvell.com>
Link: https://patch.msgid.link/20260626044819.3004811-1-rkannoth@marvell.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Two more fixes that I managed to put into the public branch merged into
next before my first PR but missed to include them in it. The first
change is a relevant change that fixes misconfigurations due to a
variable overflow. The 2nd is only cosmetic but very obviously an
improvement.
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Merge tag 'pwm/for-7.2-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/ukleinek/linux
Pull pwm fixes from Uwe Kleine-König:
"Two more fixes that I managed to put into the public branch merged
into next before my first pull request but missed to include them in
it.
The first change is a relevant change that fixes misconfigurations due
to a variable overflow. The second is only cosmetic but very obviously
an improvement"
* tag 'pwm/for-7.2-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/ukleinek/linux:
pwm: rzg2l-gpt: Add missing newlines to dev_err_probe() messages
pwm: rzg2l-gpt: Fix period_ticks type from u32 to u64
Fixes:
- fbcon: fix NULL pointer dereference for a console without vc_data [Ian Bridges]
- fbdev: fix fb_new_modelist to prevent null-ptr-deref in fb_videomode_to_var [Ian Bridges]
Fixes in failure paths:
- pm2fb: unwind write-cache setting on probe failure [Haoxiang Li]
- goldfishfb: fail pan display on base-update timeout [Pengpeng Hou]
- viafb: return error on DMA copy time-out [Pengpeng Hou]
- fbcon: fix out-of-bounds read in error path of fbcon_do_set_font() [Mingyu Wang]
- fbdev: fix modelist use-after-free in store_modes() [Ian Bridges]
Code cleanup:
- vga16fb: clean up platform_device_id table [Uwe Kleine-König]
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Merge tag 'fbdev-for-7.2-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/linux-fbdev
Pull more fbdev updates from Helge Deller:
"Fixes for generic fbdev & fbcon code for the handling of modelists
and preventing a potential NULL ptr dereference in the console code.
Fix missed cleanups in the error path of various fbdev drivers.
And Uwe Kleine-König contributed a cleanup patch to use named
initializers in the vga16fb driver"
* tag 'fbdev-for-7.2-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/linux-fbdev:
fbdev: Fix fb_new_modelist to prevent null-ptr-deref in fb_videomode_to_var
fbcon: fix NULL pointer dereference for a console without vc_data
fbdev: fix use-after-free in store_modes()
fbdev: viafb: return an error when DMA copy times out
fbdev: goldfishfb: fail pan display on base-update timeout
fbdev: fbcon: fix out-of-bounds read in err_out of fbcon_do_set_font()
fbdev: pm2fb: unwind WC setup on probe failure
fbdev: vga16fb: Drop unused assignment of platform_device_id driver data
A collection of small bug fixes accumulated over the last week.
Most are device-specific fixes while there are a few core fixes as
well.
Here are the highlights:
ALSA Core:
- A fix for an uninitialised heap leak in ALSA sequencer core
- A fix for error handling/resource leak in compress-offload API
USB-audio:
- A teardown-ordering fix in USB MIDI 2.0 to prevent use-after-free
- Bounds and length checks for packet data in Native Instruments caiaq
/ Traktor Kontrol input parsers
- Avoidance of expensive kobject path lookups in DualSense controller
matches
- Robustness/memory leak fixes for Qualcomm USB offload driver
- Focusrite Control Protocol (FCP) NULL-pointer dereference fix and a
new device quirk (ISA C8X)
- Device-specific quirks for Yamaha CDS3000 and SC13A
HD-Audio:
- A bunch of quirks and mute/mic-mute LED fixups for various laptops
(Acer, Clevo, Lenovo, HP)
ASoC & SoundWire:
- Avoid failing card registration if the device_link creation fails
- A workaround for SoundWire randconfig build failures by making
helper functions static inline
- Corrected MCLK reference validation for CS530x codecs
- Clean up of untested, problematic guard() macro replacements in
Rockchip SAI driver
- Fix for eDMA maxburst misalignment with channel count in Freescale
ASRC
- Miscellaneous hardware-specific fixes (qcom, rt5650, tlv320aic3x,
tas2781/3)
Others:
- Bounds and length checks for packet data in Apple iSight
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Merge tag 'sound-fix-7.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"A collection of small bug fixes accumulated over the last week.
Most are device-specific fixes while there are a few core fixes as
well.
Here are the highlights:
ALSA Core:
- A fix for an uninitialised heap leak in ALSA sequencer core
- A fix for error handling/resource leak in compress-offload API
USB-audio:
- A teardown-ordering fix in USB MIDI 2.0 to prevent use-after-free
- Bounds and length checks for packet data in Native Instruments
caiaq / Traktor Kontrol input parsers
- Avoidance of expensive kobject path lookups in DualSense controller
matches
- Robustness/memory leak fixes for Qualcomm USB offload driver
- Focusrite Control Protocol (FCP) NULL-pointer dereference fix and a
new device quirk (ISA C8X)
- Device-specific quirks for Yamaha CDS3000 and SC13A
HD-Audio:
- A bunch of quirks and mute/mic-mute LED fixups for various laptops
(Acer, Clevo, Lenovo, HP)
ASoC & SoundWire:
- Avoid failing card registration if the device_link creation fails
- A workaround for SoundWire randconfig build failures by making
helper functions static inline
- Corrected MCLK reference validation for CS530x codecs
- Clean up of untested, problematic guard() macro replacements in
Rockchip SAI driver
- Fix for eDMA maxburst misalignment with channel count in Freescale
ASRC
- Miscellaneous hardware-specific fixes (qcom, rt5650, tlv320aic3x,
tas2781/3)
Others:
- Bounds and length checks for packet data in Apple iSight"
* tag 'sound-fix-7.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (46 commits)
ALSA: FCP: Fix NULL pointer dereference in interface lookup
ALSA: hda/realtek: Update Acer Nitro ANV15-41 quirk to enable mute LED
ASoC: fsl_asrc_dma: fix eDMA maxburst misalignment with channel count
ASoC: codecs: pcm512x: only print info once on no sclk
ASoC: tas2781: Update default register address to TAS2563
ALSA: firewire: isight: bound the sample count to the packet payload
ALSA: usb-audio: qcom: Free QMI handle
ALSA: hda: Add Lenovo Legion 7i 16IAX7 17AA3874 quirk
ALSA: usb-audio: avoid kobject path lookup in DualSense match
ALSA: hda/realtek: Add quirk for Acer Nitro ANV15-41
ASoC: soc-core: Don't fail if device_link could not be created
ASoC: rockchip: rockchip_sai: #include <linux/platform_device.h> explicitly
ALSA: seq: Fix uninitialised heap leak in snd_seq_event_dup()
ASoC: rt5575: Use __le32 for SPI burst write address
ASoC: tas2783: Update loaded firmware names to linux-firmware 20260519
ASoC: SDCA: Validate written enum value in ge_put_enum_double()
ASoC: realtek: Add back local call to sdw_show_ping_status()
ASoC: ti: Add back local call to sdw_show_ping_status()
ASoC: max98373: Add back local call to sdw_show_ping_status()
ASoC: es9356: Add back local call to sdw_show_ping_status()
...
Subsystem:
- add rtc_read_next_alarm() to read next expiring timer
Drivers:
- ds1307: handle OSF for ds1337/ds1339/ds3231, add clock provider for ds1307,
fix wday for rx8130
- m41t93: DT support, alarm, clock provider, watchdog support
- mv: add suspend/resume support for wakeup
- pcap: remove driver
- renesas-rtca3: many fixes
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Merge tag 'rtc-7.2' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux
Pull RTC updates from Alexandre Belloni:
"Most of the work and improvements are for features of the m41t93.
The ds1307 also gets support for OSF (Oscillator Stop Flag) for
new variants.
The pcap driver is being removed as the Motorola EZX support was
removed a while ago.
Subsystem:
- add rtc_read_next_alarm() to read next expiring timer
Drivers:
- ds1307: handle OSF for ds1337/ds1339/ds3231, add clock provider for
ds1307, fix wday for rx8130
- m41t93: DT support, alarm, clock provider, watchdog support
- mv: add suspend/resume support for wakeup
- pcap: remove driver
- renesas-rtca3: many fixes"
* tag 'rtc-7.2' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux: (36 commits)
rtc: ds1307: update reference to removed CONFIG_RTC_DRV_DS1307_HWMON
platform/x86: amd-pmc: Fix S0i3 wakeup with alarmtimer
rtc: s35390a: fix typo in comment
rtc: cmos: unregister HPET IRQ handler on probe failure
rtc: ds1307: Fix off-by-one issue with wday for rx8130
dt-bindings: rtc: ds1307: Add epson,rx8901
rtc: bq32000: add delay between RTC reads
rtc: m41t93: Add watchdog support
rtc: m41t93: Add square wave clock provider support
rtc: m41t93: Add alarm support
rtc: m41t93: migrate to regmap api for register access
rtc: m41t93: add device tree support
dt-bindings: rtc: Add ST m41t93
rtc: ds1307: add support for clock provider in ds1307
rtc: mv: add suspend/resume support for wakeup
rtc: aspeed: add AST2700 compatible
dt-bindings: rtc: add ASPEED AST2700 compatible
rtc: interface: fix typos in rtc_handle_legacy_irq() documentation
rtc: msc313: fix NULL deref in shared IRQ handler at probe
rtc: remove unused pcap driver
...
- Fix a bug where in a specific edge case, file contents en/decryption
could be done with the wrong data unit size.
- Fix the data structure used for keeping track of users that have added
an fscrypt key to be a simple list instead of a 'struct key' keyring.
This fixes issues such as a lockdep report found by syzbot and
possible unintended interactions with the keyctl() system calls.
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Merge tag 'fscrypt-for-linus' of git://git.kernel.org/pub/scm/fs/fscrypt/linux
Pull fscrypt fixes from Eric Biggers:
- Fix a bug where in a specific edge case, file contents en/decryption
could be done with the wrong data unit size
- Fix the data structure used for keeping track of users that have
added an fscrypt key to be a simple list instead of a 'struct key'
keyring
This fixes issues such as a lockdep report found by syzbot and
possible unintended interactions with the keyctl() system calls
* tag 'fscrypt-for-linus' of git://git.kernel.org/pub/scm/fs/fscrypt/linux:
fscrypt: Replace mk_users keyring with simple list
fscrypt: Fix key setup in edge case with multiple data unit sizes
Commit 44f9200699 ("Input: gscps2 - use guard notation when
acquiring spinlock") moved the receive loop into gscps2_read_data()
and gscps2_report_data().
While moving the code, it preserved the writes to
buffer[ps2port->append], but omitted the following producer index
update from the original loop:
ps2port->append = (ps2port->append + 1) & BUFFER_SIZE;
As a result, append never advances. Since gscps2_report_data() only
reports bytes while act != append, the receive buffer always appears
empty and no keyboard or mouse data reaches the serio core.
Restore the omitted index update.
Fixes: 44f9200699 ("Input: gscps2 - use guard notation when acquiring spinlock")
Cc: stable@vger.kernel.org # 6.13+
Signed-off-by: Xu Rao <raoxu@uniontech.com>
Link: https://patch.msgid.link/460B5655BA580C60+20260624094739.850306-1-raoxu@uniontech.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
The Samsung SUR40 with Microsoft PixelSense is offically specified to
support 52 simultaneuous touch contacts, not 64. The value of 64 was an
unverified guess as noted by the FIXME comment. Update MAX_CONTACTS to
match the documented hardware specification and remove the FIXME.
Signed-off-by: Oliver <oliverburns.kernel@gmail.com>
Link: https://patch.msgid.link/20260614230847.4938-1-oliverburns.kernel@gmail.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Some touchpads (e.g. ThinkPad T14 Gen 1) have buggy firmware that reports
a register descriptor structure size that is too small for the number of
registers it claims to have in the presence map. The remaining bytes in
the structure are 0, which with the new strict bounds checking causes the
parser to fail with -EIO, aborting the device probe.
Tolerate such short reads by dropping the remaining (unparseable or
0-size) registers from the list instead of failing the probe,
preventing the driver from trying to use them.
Fixes: 0adb483fbf ("Input: rmi4 - refactor register descriptor parsing")
Reported-by: Barry K. Nathan <barryn@pobox.com>
Tested-by: Barry K. Nathan <barryn@pobox.com>
Cc: stable@vger.kernel.org
Assisted-by: Antigravity:gemini-3.5-flash
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
The register descriptor presence register is a packet register, which
means its bytes share a single RMI address. It does not occupy
consecutive addresses, and the register structure that follows it
is located at the next RMI address (presence_address + 1), not
(presence_address + presence_size).
Revert the incorrect address calculation introduced in commit
a98518e724.
Reported-by: "Barry K. Nathan" <barryn@pobox.com>
Tested-by: "Barry K. Nathan" <barryn@pobox.com>
Cc: stable@vger.kernel.org
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
The current list initialisation depends on the well hidden two zeros in
the PCI_VDEVICE macro. Instead use a named initialisation that is more
robust and easier to understand.
Signed-off-by: Uwe Kleine-König (The Capable Hub) <u.kleine-koenig@baylibre.com>
Reviewed-by: Dave Jiang <dave.jiang@intel.com>
Signed-off-by: Jon Mason <jdmason@kudzu.us>
