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e751256486
1463049 Commits
| Author | SHA1 | Message | Date | |
|---|---|---|---|---|
Shiming Cheng
|
e751256486 |
net: gro: fix double aggregation of flush-marked skbs
Commit |
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Nikhil P. Rao
|
7be2552e60 |
pds_core: reject component parameter in legacy firmware update
The legacy firmware update path does not support per-component updates.
If a user specifies a component parameter with devlink flash, reject
the request with -EOPNOTSUPP rather than silently ignoring the component
parameter and flashing the entire firmware image.
Fixes:
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Enrico Zanda
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3c0d10f233 |
vhost-net: fix TX stall when vhost owns virtio-net header
When vhost owns the virtio-net header, i.e. when VHOST_NET_F_VIRTIO_NET_HDR is negotiated, sock_hlen is 0, meaning that no header will be forwarded to the TAP device. In the current vhost_net_build_xdp() implementation, when sock_hlen == 0, the gso pointer can point at the start of the Ethernet frame instead of a virtio-net header. This results in a wrong interpretation of the destination MAC address bytes as struct virtio_net_hdr fields. This can, for some MAC addresses, trigger -EINVAL and return early before the TX descriptor is completed, which can stall vhost-net TX. Before |
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Ruoyu Wang
|
91957b89da |
wan: wanxl: Only reset hardware after BAR mapping
wanxl_pci_init_one() stores the freshly allocated card in driver data
before the PLX BAR is mapped. Several early probe failures then unwind
through wanxl_pci_remove_one(), including failure to allocate the coherent
status area or to restore the DMA mask.
wanxl_pci_remove_one() unconditionally calls wanxl_reset(), and
wanxl_reset() dereferences card->plx. On those early failures card->plx
is still NULL, so the error path can dereference a NULL MMIO pointer.
Only issue the hardware reset once the BAR mapping exists. The remaining
cleanup in wanxl_pci_remove_one() already checks whether later resources
were allocated.
This issue was found by a static analysis checker and confirmed by
manual source review.
Fixes:
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Ruoyu Wang
|
a61b4db34a |
nfp: Check resource mutex allocation
nfp_cpp_resource_find() allocates a CPP mutex handle for the matching
resource-table entry and then reports success. nfp_resource_try_acquire()
immediately passes that handle to nfp_cpp_mutex_trylock().
However, nfp_cpp_mutex_alloc() returns NULL on failure. If that happens
for a matching table entry, the resource lookup still returns success and
the following trylock dereferences a NULL mutex pointer while opening the
resource.
nfp_resource_acquire() already treats failure to allocate the table mutex
as -ENOMEM. Do the same for the resource mutex and fail the lookup before
publishing the rest of the resource handle.
This issue was found by a static analysis checker and confirmed by
manual source review.
Fixes:
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Wayen Yan
|
6f884eb87a |
net: airoha: Fix DMA direction for NPU mailbox buffer
airoha_npu_send_msg() always maps the mailbox buffer with DMA_TO_DEVICE,
but some callers expect the NPU to write response data back into the
same buffer:
- airoha_npu_wlan_msg_get() (NPU_OP_GET): NPU writes response into
the buffer, then the caller reads it via memcpy()
- airoha_npu_ppe_stats_setup() (NPU_OP_SET): NPU writes back
npu_stats_addr field in the response
On non-cache-coherent architectures like EN7581 (Cortex-A53 without
hardware cache coherency for NPU DMA), DMA_TO_DEVICE unmap is a no-op
— it does not invalidate the CPU cache. If the NPU-written cache line
is still present in the CPU cache when the caller reads the buffer,
the CPU observes stale data instead of the NPU response.
This is a timing-sensitive bug: small mailbox buffers (~24 bytes)
typically fit in a single cache line and may survive in the cache
until the caller reads them, producing silent data corruption rather
than a crash. The bug is more likely to trigger when the caller reads
the response immediately after dma_unmap_single() without intervening
cache-evicting operations.
Fix by using DMA_BIDIRECTIONAL for both map and unmap, which ensures
dma_unmap_single() invalidates the CPU cache on non-coherent systems.
The mailbox buffers are small so there is no performance concern.
Fixes:
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Guangshuo Li
|
b4b201cc93 |
dpaa2-eth: put MAC endpoint device on disconnect
fsl_mc_get_endpoint() returns the MAC endpoint device with a reference
taken through device_find_child(). The Ethernet connect path stores that
device in mac->mc_dev and keeps it for the lifetime of the connected MAC
object.
However, the disconnect path only disconnects and closes the MAC before
freeing the dpaa2_mac object. It does not drop the endpoint device
reference stored in mac->mc_dev, so every successful connect leaks that
device reference when the MAC is later disconnected.
Drop the endpoint device reference after closing the MAC and before
freeing the dpaa2_mac object.
Fixes:
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Wayen Yan
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2484568a33 |
net: airoha: Fix potential use-after-free in airoha_ppe_deinit()
airoha_ppe_deinit() replaces the NPU pointer with NULL via rcu_replace_pointer() but does not wait for existing RCU readers to exit before calling ppe_deinit() and airoha_npu_put(). This can cause a use-after-free if a reader in an RCU read-side critical section still holds a reference to the NPU when it is freed. The init path (airoha_ppe_init) already calls synchronize_rcu() after rcu_assign_pointer(), but the deinit path introduced in commit |
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Guangshuo Li
|
4c1eabbef7 |
dpaa2-switch: put MAC endpoint device on disconnect
fsl_mc_get_endpoint() returns the MAC endpoint device with a reference
taken through device_find_child(). The switch port connect path stores
that device in mac->mc_dev and keeps it for the lifetime of the connected
MAC object.
However, the disconnect path only closes the MAC and frees the dpaa2_mac
object. It does not drop the endpoint device reference stored in
mac->mc_dev, so every successful connect leaks that device reference when
the MAC is later disconnected.
Drop the endpoint device reference before freeing the dpaa2_mac object.
Fixes:
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Paolo Abeni
|
0f1570553e |
Merge branch 'vsock-virtio-collapse-receive-queue-under-memory-pressure'
Stefano Garzarella says:
====================
vsock/virtio: collapse receive queue under memory pressure
This series contains a patch (the first one) that is part of work I'm
doing to improve the tracking of memory used by AF_VSOCK sockets.
The second patch is a test for our suite that highlights the issue.
Since Brien reported an issue with his environment (based on Linux 6.12.y)
related to the work I’m doing, I extracted this patch and tried to make it
as easy as possible to backport. Brien tested it by backporting it to
6.12.y, which now contains the backport of the
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Stefano Garzarella
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30c82aa0a8 |
vsock/test: add test for small packets under pressure
Add a test that sends 2 MB of data using randomly sized small packets (129-512 bytes) over a SOCK_STREAM connection. Packets above GOOD_COPY_LEN (128) bypass the in-place coalescing in recv_enqueue(), forcing each one into its own skb. Without receive queue collapsing, the per-skb overhead eventually exceeds buf_alloc and the connection is reset. The test verifies that all data arrives and that content integrity is preserved. Signed-off-by: Stefano Garzarella <sgarzare@redhat.com> Acked-by: Michael S. Tsirkin <mst@redhat.com> Reviewed-by: Bobby Eshleman <bobbyeshleman@meta.com> Link: https://patch.msgid.link/20260708102904.50732-3-sgarzare@redhat.com Signed-off-by: Paolo Abeni <pabeni@redhat.com> |
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Stefano Garzarella
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2a12c05aef |
vsock/virtio: collapse receive queue under memory pressure
When many small packets accumulate in the receive queue, the skb overhead can exceed buf_alloc even while the payload is within bounds. This causes virtio_transport_inc_rx_pkt() to reject packets, leading to connection resets during large transfers under backpressure. The issue was reported by Brien, who has a reproducer, but it is also easily reproducible with iperf-vsock [1] using a small packet size: iperf3 --vsock -c $CID -l 129 which fails immediately without this patch but with commit |
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Xuanqiang Luo
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745fb794c3 |
rxrpc: fix io_thread race in rxrpc_wake_up_io_thread()
rxrpc_wake_up_io_thread() checks local->io_thread before waking it, but
then reloads the pointer for wake_up_process().
local->io_thread is cleared with WRITE_ONCE() when the I/O thread exits, so
the second load can see NULL even if the first load did not.
Take a READ_ONCE() snapshot and use it for both the NULL check and the
wake_up_process() call, as rxrpc_encap_rcv() already does.
Fixes:
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Zhixing Chen
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96e37e2f61 |
gtp: parse extension headers before reading inner protocol
GTPv1-U packets may carry a chain of extension headers before the inner
IP packet. The receive path already parses and skips these extension
headers, but it currently reads the inner protocol before doing so.
As a result, the first extension header byte is interpreted as the inner
IP version. Packets with extension headers are then dropped before PDP
lookup.
Parse the extension header chain before calling gtp_inner_proto(), so the
inner protocol is read from the actual inner IP header.
Fixes:
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Aldo Ariel Panzardo
|
5521ae71e3 |
rds: drop incoming messages that cross network namespace boundaries
rds_find_bound() looks up the destination socket using a global
rhashtable keyed solely on (addr, port, scope_id). Network namespaces
are not part of the key, so a sender in netns A can deliver an incoming
message (inc) to a socket that lives in a different netns B.
When this happens, inc->i_conn points to an rds_connection whose c_net
is netns A, but the receiving rs lives in netns B. Once the child
process that created netns A exits, cleanup_net() calls
rds_loop_exit_net() -> rds_loop_kill_conns() -> rds_conn_destroy(),
freeing that connection. If the survivor socket in netns B still holds
the inc, any subsequent dereference of inc->i_conn is a use-after-free.
There are two dangerous sites in rds_clear_recv_queue():
1. inc->i_conn->c_lcong (offset 88 of freed rds_connection, size 200)
read via rds_recv_rcvbuf_delta() -- confirmed by KASAN.
2. inc->i_conn->c_trans->inc_free(inc) (function pointer at offset 80)
called via rds_inc_put() when the inc refcount reaches zero -- same
race window, potential call-through-freed-object primitive.
The bug is reachable from unprivileged user namespaces
(CLONE_NEWUSER + CLONE_NEWNET), available since Linux 3.8.
Fix this by rejecting the delivery in rds_recv_incoming() when the
socket returned by rds_find_bound() belongs to a different network
namespace than the connection that carried the message. Use the
existing rds_conn_net() / sock_net() helpers and net_eq() for the
comparison.
Fixes:
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Manjunath Patil
|
e32649b4ba |
net/mlx5e: Use sender devcom for MPV master-up
After PCIe DPC recovery, mlx5 reloads the affected functions and
replays multiport affiliation events. In the reported failure, the
first relevant device error was:
pcieport 0000:10:01.1: DPC: containment event
pcieport 0000:10:01.1: PCIe Bus Error: severity=Uncorrected (Fatal)
pcieport 0000:10:01.1: [ 5] SDES (First)
mlx5 recovered the PCI functions and resumed 0000:11:00.1. During
that resume, RDMA multiport binding replayed
MLX5_DRIVER_EVENT_AFFILIATION_DONE and mlx5e sent
MPV_DEVCOM_MASTER_UP. The host then panicked with:
BUG: kernel NULL pointer dereference, address: 0000000000000010
RIP: mlx5_devcom_comp_set_ready+0x5/0x40 [mlx5_core]
RDI: 0000000000000000
Call trace included:
mlx5_devcom_comp_set_ready
mlx5e_devcom_event_mpv
mlx5_devcom_send_event
mlx5_ib_bind_slave_port
mlx5r_mp_probe
mlx5_pci_resume
MPV devcom registration publishes mlx5e private data to the component
peer list before mlx5e_devcom_init_mpv() stores the returned component
device in priv->devcom. A concurrent master-up event can therefore
reach a peer whose private data is visible but whose priv->devcom
backpointer is still NULL.
MPV_DEVCOM_MASTER_UP already carries the sender/master mlx5e private
data as event_data. The ready bit is stored on the shared devcom
component, not on an individual peer. Use the sender devcom when
marking the MPV component ready.
This preserves the readiness transition while avoiding a NULL
dereference of the peer devcom pointer during affiliation replay after
PCI error recovery.
Fixes:
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Kyle Zeng
|
4032f8ed10 |
openvswitch: fix GSO userspace truncation underflow
OVS_ACTION_ATTR_TRUNC currently stores a delta from the original skb
length in OVS_CB(skb)->cutlen. When a later userspace action segments a
GSO skb, queue_gso_packets() reuses that delta for each smaller segment.
A segment can then reach queue_userspace_packet() with cutlen greater
than skb->len, underflowing the length passed to skb_zerocopy().
Store the maximum preserved length instead and bound each consumer
against the current skb length. Use U32_MAX as the no-truncation
sentinel so the value remains valid if skb geometry changes before a
consumer handles it.
Fixes:
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Aniket Negi
|
d163725af8 |
net: airoha: fix MIB stats collection to be lossless
REG_FE_GDM_MIB_CLEAR after every read creates a race window where
packets arriving between read and clear are lost from statistics.
Switch to a delta-based approach instead:
- 64-bit H+L registers (ok pkts/bytes, E64..L1023): read absolute
hardware total directly into a local variable; clamp with max(new, old)
to prevent torn-read regression when the counter carries between the
two reads.
- 32-bit registers (drops, bc, mc, errors, runt, long): accumulate
(u32)(curr - prev) into a 64-bit software counter; unsigned
subtraction handles wrap-around transparently.
- tx/rx_len[0] ([0,64] bucket): combines RUNT_CNT (32-bit, delta via
tx_runt/rx_runt) and E64_CNT (64-bit, absolute) into a single local
accumulator; max(new, old) applied here too to guard against a torn
read of E64 when the RUNT accumulator is unchanged between polls.
MIB counters are zeroed by the SCU FE reset (EN7581_FE_RST) asserted
in airoha_hw_init() at module load, so no explicit MIB clear is needed
in airoha_fe_init().
Merge airoha_dev_get_hw_stats() into airoha_update_hw_stats() and
move stats_lock inside. Plain spin_lock() is correct: the function
is only called from ndo_get_stats64() in process context. Each dev
refreshes only its own MIB counters; sibling devs on a shared GDM3/4
port are polled when their own netdev is queried.
Fixes:
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Bryam Vargas
|
be7cc4656e |
net/iucv: fix use-after-free of a severed iucv_path
af_iucv queues not-yet-received message notifications on iucv->message_q,
each holding a raw pointer to the connection's iucv_path. When the peer
severs the connection, iucv_sever_path() frees that path with
iucv_path_free() but leaves the notifications queued. A later recvmsg()
drains message_q via iucv_process_message_q() and hands the stale path to
message_receive() -- a use-after-free of the freed iucv_path.
Drop the queued notifications when the path is severed; once the path is
gone they can no longer be received. This also frees the notifications
leaked when a socket is closed with messages still queued.
Fixes:
|
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Zhaolong Zhang
|
1c975de334 |
bonding: fix devconf_all NULL dereference when IPv6 is disabled
When booting with the 'ipv6.disable=1' parameter, the devconf_all is
never initialized because inet6_init() exits before addrconf_init() is
called which initializes it. bond_send_validate(), however, will still
call bond_ns_send_all() even ipv6 is indeed disabled. It will lead to
NULL derefence of net->ipv6.devconf_all in ip6_pol_route().
BUG: kernel NULL pointer dereference, address: 000000000000000c
[...]
Workqueue: bond0 bond_arp_monitor [bonding]
RIP: 0010:ip6_pol_route+0x69/0x480
[...]
Call Trace:
<TASK>
? srso_return_thunk+0x5/0x5f
? __pfx_ip6_pol_route_output+0x10/0x10
fib6_rule_lookup+0xfe/0x260
? wakeup_preempt+0x8a/0x90
? srso_return_thunk+0x5/0x5f
? srso_return_thunk+0x5/0x5f
? sched_balance_rq+0x369/0x810
ip6_route_output_flags+0xd7/0x170
bond_ns_send_all+0xde/0x280 [bonding]
bond_ab_arp_probe+0x296/0x320 [bonding]
? srso_return_thunk+0x5/0x5f
bond_activebackup_arp_mon+0xb4/0x2c0 [bonding]
process_one_work+0x196/0x370
worker_thread+0x1af/0x320
? srso_return_thunk+0x5/0x5f
? __pfx_worker_thread+0x10/0x10
kthread+0xe3/0x120
? __pfx_kthread+0x10/0x10
ret_from_fork+0x199/0x260
? __pfx_kthread+0x10/0x10
ret_from_fork_asm+0x1a/0x30
</TASK>
Fix this by adding ipv6_mod_enabled() condition check in the caller.
Fixes:
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Jakub Kicinski
|
1572d5862c |
Merge branch 'fix-broken-tc_act_redirect-from-qdiscs'
Daniel Borkmann says: ==================== Fix broken TC_ACT_REDIRECT from qdiscs This is an alternative fix to [0] in order to not uglify __dev_queue_xmit() with sprinkled ifdefs given this can be simplified and isolated through a simple test into the BPF redirect helper itself. I've also added a proper BPF selftest, so there is no need to check-in a binary BPF object into selftests given we do have BPF infra for all of this. [0] https://lore.kernel.org/netdev/20260629102157.737306-1-jhs@mojatatu.com/ [1] https://lore.kernel.org/netdev/20260629102157.737306-4-jhs@mojatatu.com/ ==================== Link: https://patch.msgid.link/20260706185609.330006-1-daniel@iogearbox.net Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
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Daniel Borkmann
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f789afed94 |
selftests/bpf: Add test for redirect from qdisc qevent block
Add a regression test for the NULL current->bpf_net_context deref hit when a BPF classifier attached to a qdisc qevent block asks for a redirect. The classifier runs from tcf_qevent_handle() on the qdisc enqueue path, outside any bpf_net_context. # LDLIBS=-static PKG_CONFIG='pkg-config --static' ./vmtest.sh -- ./test_progs -t qevent [...] + /etc/rcS.d/S50-startup ./test_progs -t qevent #496/1 tc_qevent/redirect_verdict:OK #496/2 tc_qevent/redirect_helper:OK #496 tc_qevent:OK Summary: 1/2 PASSED, 0 SKIPPED, 0 FAILED Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Reviewed-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Link: https://patch.msgid.link/20260706185609.330006-4-daniel@iogearbox.net Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
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Jamal Hadi Salim
|
ec48b3be2c |
net/sched: Handle TC_ACT_REDIRECT from qdisc filter chains
When a TC filter attached to a qdisc filter chain returns TC_ACT_REDIRECT (ex: via an eBPF program calling bpf_redirect() or an act_bpf action), the redirect was silently lost i.e no qdisc classify function handled TC_ACT_REDIRECT, so the packet fell through the switch and was enqueued normally instead of being redirected. This has been broken since bpf_redirect() was introduced for TC in commit |
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Daniel Borkmann
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3f4920d165 |
bpf: Reject redirect helpers without a bpf_net_context
The bpf_redirect*() helpers and skb_do_redirect() obtain the per-task
bpf_redirect_info via bpf_net_ctx_get_ri(), which dereferences the
current->bpf_net_context unconditionally. That context is established
on the paths that run tc BPF such as sch_handle_{ingress,egress}(),
*except* for the case where {cls,act}_bpf was attached to a proper
qdisc. A program running from there reaches the NULL deref in two ways:
* It calls bpf_redirect() directly, which dereferences the context at
the top of the helper:
tc qdisc add dev eth0 root handle 1: red limit 1MB min 10KB max 20KB \
avpkt 1000 burst 100 qevent early_drop block 10
tc filter add block 10 pref 1 bpf obj redirect.o
* It simply returns TC_ACT_REDIRECT without helper call: tcf_qevent_handle()
then dispatches to skb_do_redirect(), which dereferences the context
Rather than extending bpf_net_context management into the qdisc path,
make the redirect helpers refuse to operate when no context exists, and
have tcf_qevent_handle() drop a TC_ACT_REDIRECT verdict instead of
calling skb_do_redirect(). Previous behaviour was a crash, so nothing
regresses by not supporting it.
Fixes:
|
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|
David Lee
|
50aff80475 |
net/packet: avoid fanout hook re-registration after unregister
packet_set_ring() temporarily detaches a socket from packet delivery while
reconfiguring its ring. It records the previous running state, clears
po->num, unregisters the protocol hook when needed, drops po->bind_lock,
and later restores po->num and re-registers the hook from the saved
was_running value.
That unlocked window can race with NETDEV_UNREGISTER. The notifier can
observe the socket as not running, skip __unregister_prot_hook(), and
invalidate the per-socket binding by setting po->ifindex to -1 and clearing
po->prot_hook.dev. A one-member fanout group can still retain its shared
fanout hook device pointer. When packet_set_ring() resumes, re-registering
solely from the stale was_running state can re-add the fanout hook after
the device has been unregistered.
Treat po->ifindex == -1 as an invalidated binding after reacquiring
po->bind_lock. This is distinct from ifindex 0, the normal
unbound/wildcard state: ifindex -1 marks an existing device binding that
was invalidated when the device was unregistered. Restore po->num as
before, but do not re-register the hook if device unregister already
detached the socket.
Fixes:
|
||
|
Danielle Ratson
|
f6e3b21608 |
netlink: specs: rt-link: convert bridge port flag attributes to u8
A number of IFLA_BRPORT_* attributes are documented in the rt-link spec
as having the "flag" type, i.e. a payload-less NLA_FLAG attribute whose
meaning is presence-only. This does not match the kernel, which emits
these attributes with nla_put_u8() and validates them as NLA_U8 in
br_port_policy[]. The values are not mere presence flags but carry a u8
payload (0/1).
Convert these bridge port attributes from "flag" to "u8" so the spec
reflects the actual wire format.
Fixes:
|
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|
Ricardo B. Marlière
|
ef01724fa2 |
selftests/net: Fix tun IPv6 test addresses to avoid 6to4 range
The IPv6 addresses used for the tun_vnet_udptnl fixture currently fall in
the 2002::/16 prefix, which is reserved for the 6to4 transition mechanism
(RFC 3056).
On systems where the sit module is loaded, the kernel automatically claims
2002::/16 as a 6to4 tunnel prefix. When the test assigns a 2002:: address
to a TUN interface, sit registers a competing local route for the same
address. This ambiguity breaks the GENEVE decapsulation path: packets
injected via the TUN fd are not delivered to the test socket, causing the
IPv6-outer gtgso send_gso_packet variants to fail.
Replace all four IPv6 test addresses with addresses from the fd00:db8::/32
range, which is part of the ULA space (fc00::/7, RFC 4193) and carries no
special kernel semantics.
Fixes:
|
||
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Michael Walle
|
7d8ca62d6a |
net: phy: marvell: fix return code
Return the correct error code, not the value written to the register.
Fixes:
|
||
|
Linus Torvalds
|
e13caf1c26 |
Including fixes from Wireless, IPsec, Netfilter and Bluetooth.
Current release - new code bugs:
- netfilter: flowtable: use correct direction to set up tunnel route
Previous releases - regressions:
- wifi:
- mac80211:
- free AP_VLAN bc_buf SKBs outside IRQ lock
- defer link RX stats percpu free to RCU
- fix double free on alloc failure
- cfg80211: convert pmsr_free_wk to wiphy_work to fix deadlock
- ipv4: free fib_alias with kfree_rcu() on insert error path
- sched: act_tunnel_key: Defer dst_release to RCU callback
- xfrm: fix sk_dst_cache double-free in xfrm_user_policy()
- bluetooth: fix locking in unpair_device/disconnect_sync
- can: add locking for raw flags bitfield
- openvswitch: reject oversized nested action attrs
- eth: bnxt_en: handle partially initialized auxiliary devices
- eth: ppp: defer channel free to an RCU grace period to fix UAF
Previous releases - always broken:
- netfilter: xt_nat: reject unsupported target families
- wifi:
- brcmfmac: fix heap overflow on a short auth frame
- cfg80211: add missing FTM API validation
- xfrm:
- reject optional IPTFS templates in outbound policies
- policy: preallocate inexact bins before xfrm_hash_rebuild reinsert
- bluetooth: revalidate LOAD_CONN_PARAM queued update
- can: fix lockless bound/ifindex race and silent RX_SETUP failure
- eth: mlx5: free mlx5_st_idx_data on final dealloc
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Merge tag 'net-7.2-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Paolo Abeni:
"Including fixes from Wireless, IPsec, Netfilter and Bluetooth.
Current release - new code bugs:
- netfilter: flowtable: use correct direction to set up tunnel route
Previous releases - regressions:
- wifi:
- mac80211:
- free AP_VLAN bc_buf SKBs outside IRQ lock
- defer link RX stats percpu free to RCU
- fix double free on alloc failure
- cfg80211: convert pmsr_free_wk to wiphy_work to fix deadlock
- ipv4: free fib_alias with kfree_rcu() on insert error path
- sched: act_tunnel_key: Defer dst_release to RCU callback
- xfrm: fix sk_dst_cache double-free in xfrm_user_policy()
- bluetooth: fix locking in unpair_device/disconnect_sync
- can: add locking for raw flags bitfield
- openvswitch: reject oversized nested action attrs
- eth:
- bnxt_en: handle partially initialized auxiliary devices
- ppp: defer channel free to an RCU grace period to fix UAF
Previous releases - always broken:
- netfilter: xt_nat: reject unsupported target families
- wifi:
- brcmfmac: fix heap overflow on a short auth frame
- cfg80211: add missing FTM API validation
- xfrm:
- reject optional IPTFS templates in outbound policies
- policy: preallocate inexact bins before xfrm_hash_rebuild reinsert
- bluetooth: revalidate LOAD_CONN_PARAM queued update
- can: fix lockless bound/ifindex race and silent RX_SETUP failure
- eth: mlx5: free mlx5_st_idx_data on final dealloc"
* tag 'net-7.2-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (108 commits)
mpls: fix NULL deref in mpls_valid_fib_dump_req() on CONFIG_INET=n
llc: fix SAP refcount leak when creating incoming sockets
selftests: netconsole: only restore MAC when it changed on resume
bnxt_en: Handle partially initialized auxiliary devices
sctp: fix auth_hmacs array size in struct sctp_cookie
net/sched: act_tunnel_key: Defer dst_release to RCU callback
dpll: fix NULL pointer dereference in dpll_msg_add_pin_ref_sync()
tcp: fix TIME_WAIT socket reference leak on PSP policy failure
net/mlx5: free mlx5_st_idx_data on final dealloc
can: isotp: serialize TX state transitions under so->rx_lock
can: isotp: fix use-after-free race with concurrent NETDEV_UNREGISTER
can: isotp: use unconditional synchronize_rcu() in isotp_release()
can: bcm: track a single source interface for ANYDEV timeout/throttle ops
can: bcm: fix data race on rx_stamp/rx_ifindex in bcm_rx_handler()
can: bcm: fix stale rx/tx ops after device removal
can: bcm: add missing device refcount for CAN filter removal
can: bcm: validate frame length in bcm_rx_setup() for RTR replies
can: bcm: extend bcm_tx_lock usage for data and timer updates
can: bcm: add missing rcu list annotations and operations
can: bcm: fix CAN frame rx/tx statistics
...
|
||
|
Linus Torvalds
|
af5e34a41c |
Among the most important fixes that we have here, there are:
- the revert of the uclinux map driver which was presumably no longer
used but in fact was
- the use of SPI match data to get chip capabilities in the mchp23k256
driver
- several fixes addressing the newly introduced virt-concat support
- a missing build dependency on ndfc
There is as well the usual load (if not actually bigger than ususal) of
uninitialized variables, leaks, double free, and AI fuzzed issues being
fixed.
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Merge tag 'mtd/fixes-for-7.2-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux
Pull mtd fixes from Miquel Raynal:
"Among the most important fixes that we have here, there are:
- the revert of the uclinux map driver which was presumed to
be no longer used but in fact was
- the use of SPI match data to get chip capabilities in the
mchp23k256 driver
- several fixes addressing the newly introduced virt-concat
support
- a missing build dependency on ndfc
as well as the usual load (if not actually bigger than usual) of
uninitialized variables, leaks, double free, and AI fuzzed issues
being fixed"
* tag 'mtd/fixes-for-7.2-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux:
Revert "mtd: maps: remove uclinux map driver"
mtd: onenand: samsung: report DMA completion timeouts
mtd: rawnand: fsl_ifc: return errors for failed page reads
mtd: mchp23k256: use SPI match data for chip caps
mtd: rawnand: lpc32xx_slc: fail DMA transfer on completion timeout
mtd: rawnand: lpc32xx_mlc: fail DMA transfers on timeout
mtd: fix double free and WARN_ON in add_mtd_device() error paths
mtd: virt-concat: free duplicate generated name
mtd: nand: mtk-ecc: stop on ECC idle timeouts
mtd: mtdswap: remove debugfs stats file on teardown
mtd: mtdpart: validate partition bounds in mtd_add_partition()
mtd: mtdpart: fix uninitialized erasesize on MTDPART_OFS_RETAIN error path
mtd: rawnand: ndfc: add CONFIG_OF dependency
mtd: spinand: initialize ret in regular page reads
mtd: virt_concat: fix use-after-free in mtd_virt_concat_destroy()
mtd: rawnand: ingenic: handle ECC clock enable failures
mtd: nand: ecc-mtk: handle ECC clock enable failures
mtd: virt_concat: fix use-after-free in mtd_virt_concat_destroy_joins()
mtd: rawnand: ndfc: fix gcc uninitialized var
|
||
|
Linus Torvalds
|
45419d06c9 |
MMC core:
- Fix RPMB device unregister ordering
- Fix __counted_by handling in mmc_test
MMC host:
- mtk-sd: Document missing clocks for MT8189
- sdhci-esdhc-imx: Fix the support for system suspend/resume for SDIO
- sdhci-of-dwcmshc: Fix error handling for clock prepare/enable
- vub300: Fix lockdep issue for the cmd_mutex
- vub300: Fix use-after-free on probe failure
MEMSTICK:
- Reject a card that reports too many blocks
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Merge tag 'mmc-v7.2-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc
Pull MMC fixes from Ulf Hansson:
"MMC core:
- Fix RPMB device unregister ordering
- Fix __counted_by handling in mmc_test
MMC host:
- mtk-sd: Document missing clocks for MT8189
- sdhci-esdhc-imx: Fix the support for system suspend/resume for SDIO
- sdhci-of-dwcmshc: Fix error handling for clock prepare/enable
- vub300:
- Fix lockdep issue for the cmd_mutex
- Fix use-after-free on probe failure
MEMSTICK:
- Reject a card that reports too many blocks"
* tag 'mmc-v7.2-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc:
mmc: sdhci-esdhc-imx: fix resume error handling
mmc: sdhci-esdhc-imx: make non-fatal errors non-blocking in suspend
mmc: sdhci-esdhc-imx: use pm_runtime_resume_and_get() in suspend
mmc: sdhci-esdhc-imx: disable irq during suspend to fix unhandled interrupt
mmc: sdhci-esdhc-imx: restore pinctrl before restoring ios timing on resume
mmc: sdhci-esdhc-imx: fix esdhc_change_pinstate() to allow default state restore
mmc: sdhci-esdhc-imx: restore DLL override for DDR modes on resume
mmc: sdhci-esdhc-imx: remove unnecessary mmc_card_wake_sdio_irq check for tuning save/restore
mmc: block: fix RPMB device unregister ordering
memstick: ms_block: reject a card that reports too many blocks
dt-bindings: mmc: mtk-sd: Document extra clocks for MT8189
mmc: vub300: defer reset until cmd_mutex is unlocked
mmc: vub300: fix use-after-free on probe failure
mmc: mmc_test: Fix __counted_by handling after kzalloc_flex() conversion
mmc: sdhci-of-dwcmshc: check bus clock enable result in the probe() method
|
||
|
Linus Torvalds
|
111e7b23e5 |
SoC fixes for 7.2
There are only three devicetree fixes this time: one critical memory
corruption fix for Renesas and three minor corrections for Tegra.
The MAINTAINERS file is updated for a new maintainer of the CIX platform
and two address changes.
The rest is all driver fixes, mostly firmware:
- multiple runtime issues in ARM SCMI and FF-A firmware code, dealing
with error handling for corner cases in firmware.
- multiple fixes for reset drivers, dealing with individual platform
specific mistakes and more error handling
- minor build and runtime fixes for the Tegra SoC drivers
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Merge tag 'soc-fixes-7.2-1' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull SoC fixes from Arnd Bergmann:
"There are only three devicetree fixes this time: one critical memory
corruption fix for Renesas and three minor corrections for Tegra.
The MAINTAINERS file is updated for a new maintainer of the CIX
platform and two address changes.
The rest is all driver fixes, mostly firmware:
- multiple runtime issues in ARM SCMI and FF-A firmware code, dealing
with error handling for corner cases in firmware.
- multiple fixes for reset drivers, dealing with individual platform
specific mistakes and more error handling
- minor build and runtime fixes for the Tegra SoC drivers"
* tag 'soc-fixes-7.2-1' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc:
arm64: dts: renesas: ironhide: Describe inline ECC carveouts
MAINTAINERS: Update maintainer and git tree for CIX SoC
ARM: Don't let ARMv5 platforms select USE_OF
MAINTAINERS: Update SpacemiT SoC git tree repository
firmware: arm_scmi: Rate-limit queue-full warnings in IRQ context
firmware: arm_scmi: Use 64-bit division for clock rate rounding
reset: imx7: Correct polarity of MIPI CSI resets on i.MX8MQ
reset: sunxi: fix memory region leak on ioremap failure
dt-bindings: reset: altr: add COMBOPHY_RESET for Agilex5
reset: spacemit: k3: fix USB2 ahb reset
firmware: arm_scmi: Grammar s/may needed/may be needed/
firmware: arm_ffa: Fix NULL dereference in ffa_partition_info_get()
firmware: arm_ffa: Respect firmware advertised RX/TX buffer size limits
arm64: tegra: Fix CPU1 node unit-address on Tegra264
arm64: tegra: Fix CPU compatible string to cortex-a78ae on Tegra234
MAINTAINERS: .mailmap: update Jens Wiklander's email address
soc/tegra: fuse: Fix spurious straps warning on SMCCC platforms
soc/tegra: pmc: fix #ifdef block in header
drm/tegra: Fix a strange error handling path
arm64: tegra: Remove fallback compatible for GPCDMA
|
||
|
Linus Torvalds
|
6917aa7767 |
powerpc fixes for 7.2 #2
- Enable CONFIG_VPA_PMU to be used with KVM - Initialize starttime at boot for native accounting - Set CPU_FTR_P11_PVR for Power11 and later processors - fix memory leak on krealloc failure in papr_init - Misc fixes and cleanups Thanks to: Amit Machhiwal, Christophe Leroy (CS GROUP), Ethan Nelson-Moore, Gautam Menghani, Harsh Prateek Bora, Junrui Luo, Mukesh Kumar Chaurasiya (IBM), Ritesh Harjani (IBM), Rosen Penev, Shrikanth Hegde, Thorsten Blum, Yuhao Jiang -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEqX2DNAOgU8sBX3pRpnEsdPSHZJQFAmpZtKcACgkQpnEsdPSH ZJSzpxAAvEWlybs7IZWdkZA74GCb1LXXElqANbhUpkl/bNuV2LDaxb5v63FIhTuu tqFISwJ86+wodsKH6vyMk1dGGxbphXl4AOUcNQVRlA6C4EWJBiMtukhn6AFmi294 crEXLCY91w5a5ftvu2Bvvn6DaJwCmjxzDw3pZ9MWDgwe3drKtb9/HPyC3IKSFAWo f00sw7r9WqBxnvJaHzPi+NpUdTP/DB86TzH9IKxq7jQtGainj978Ghy9KIm68Eb+ kqET9ecytynNw0wSbIn2O1WXSw9Axg038bwoIXnpUc6MSmSLrgTeFuEuugcyH1cJ yor/FHeeImfGTaUgtjjJr1yRgRHe7TC1PiHjgKk4dko6X9PXiP+6kxyY+kQGGTqx +e2R1lXC1YS/V1fGOd2yEep/7ThrCto6wCKqwg45B/la9tjUfwb8oGfR0SVTT2ZS u1j3z154bz8sv3a2H3Dx5tslDeSPPCcA1sElTT9Ir+/ppZZjt2gzGAPFCb0OSOAA WyjmK9bM0Fp//jL+PpARBSsfQmvqnllgKqBLTZ0Y/btnJPMra7ptalkhs/Dtx8W1 8IkLc56C/s5nPaU0BcF/LtJfLENETzq/EPV1YRiNDHykALp3yFOaOk0CJtEteLk4 mmWbb9P7SbsmEijXtDptt62Lv0YWSoS5OCRfOLHV/Q4VYd1JN+w= =jI4x -----END PGP SIGNATURE----- Merge tag 'powerpc-7.2-2' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux Pull powerpc fixes from Madhavan Srinivasan: - Enable CONFIG_VPA_PMU to be used with KVM - Initialize starttime at boot for native accounting - Set CPU_FTR_P11_PVR for Power11 and later processors - fix memory leak on krealloc failure in papr_init - Misc fixes and cleanups Thanks to Amit Machhiwal, Christophe Leroy (CS GROUP), Ethan Nelson-Moore, Gautam Menghani, Harsh Prateek Bora, Junrui Luo, Mukesh Kumar Chaurasiya (IBM), Ritesh Harjani (IBM), Rosen Penev, Shrikanth Hegde, Thorsten Blum, and Yuhao Jiang * tag 'powerpc-7.2-2' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: powerpc: Remove dead non-preemption code powerpc/dt_cpu_ftrs: Set CPU_FTR_P11_PVR for Power11 and later processors powerpc/pseries: fix memory leak on krealloc failure in papr_init powerpc/uaccess: correct check for CONFIG_PPC_E500 in mask_user_address() powerpc/vtime: Initialize starttime at boot for native accounting powerpc/85xx: Add fsl,ifc to common device ids powerpc/spufs: fix out-of-bounds access in spufs_mem_mmap_access() powerpc/pseries/Kconfig: Enable CONFIG_VPA_PMU to be used with KVM |
||
|
Weiming Shi
|
56d96feded |
mpls: fix NULL deref in mpls_valid_fib_dump_req() on CONFIG_INET=n
On CONFIG_INET=n builds, mpls_valid_fib_dump_req() walks the parsed
attribute table itself instead of calling ip_valid_fib_dump_req(). The
RTA_OIF arm passes tb[RTA_OIF] to nla_get_u32() without checking it is
present, so an RTM_GETROUTE dump for AF_MPLS with strict checking and no
RTA_OIF hits a NULL dereference.
RTM_GETROUTE is RTNL_KIND_GET, which rtnetlink_rcv_msg() permits without
CAP_NET_ADMIN, so an unprivileged user can trigger it.
Oops: general protection fault, probably for non-canonical address
0xdffffc0000000000: 0000 [#1] SMP KASAN NOPTI
KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007]
RIP: 0010:mpls_valid_fib_dump_req (net/mpls/af_mpls.c:2189)
Call Trace:
mpls_dump_routes (net/mpls/af_mpls.c:2236)
netlink_dump (net/netlink/af_netlink.c:2331)
__netlink_dump_start (net/netlink/af_netlink.c:2446)
rtnetlink_rcv_msg (net/core/rtnetlink.c:7033)
netlink_rcv_skb (net/netlink/af_netlink.c:2556)
netlink_unicast (net/netlink/af_netlink.c:1345)
netlink_sendmsg (net/netlink/af_netlink.c:1900)
__sock_sendmsg (net/socket.c:790)
____sys_sendmsg (net/socket.c:2684)
___sys_sendmsg (net/socket.c:2738)
__sys_sendmsg (net/socket.c:2770)
do_syscall_64 (arch/x86/entry/syscall_64.c:94)
entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
Skip unset attributes, as ip_valid_fib_dump_req() does.
Fixes:
|
||
|
Xuanqiang Luo
|
2c72eb6286 |
llc: fix SAP refcount leak when creating incoming sockets
llc_sap_add_socket() takes a SAP reference for each socket added to a SAP, and llc_sap_remove_socket() releases it. llc_create_incoming_sock() takes an additional SAP reference after adding the child socket. This extra reference was balanced by an explicit llc_sap_put() in llc_ui_release() until commit |
||
|
Andre Carvalho
|
04aeddf2da |
selftests: netconsole: only restore MAC when it changed on resume
The "mac" bind mode reactivation downs the interface, restores the saved
MAC and renames it to trigger a target resume. This assumes the recreated
interface comes back with a different MAC, which is true under
MACAddressPolicy=none (as on the Netdev CI) but not when MACs are
persistent. In the persistent case netconsole resumes the target on its
own, and the down/restore/rename flow instead drops it and fails the test.
Guard the block on the MAC having actually changed so the test passes
under both policies.
Fixes:
|
||
|
Ruoyu Wang
|
1cb8553c02 |
bnxt_en: Handle partially initialized auxiliary devices
bnxt_aux_devices_init() calls auxiliary_device_init() before all fields
used by bnxt_aux_dev_release() are initialized. After
auxiliary_device_init() succeeds, later errors must unwind with
auxiliary_device_uninit(), which invokes the release callback.
The release callback assumes that aux_priv->id, aux_priv->edev,
edev->net and edev->ulp_tbl are all populated. If allocation fails
after auxiliary_device_init(), the release path can otherwise dereference
or clear partially initialized state.
Allocate and attach the bnxt_en_dev and ULP table before calling
auxiliary_device_init(), so the release callback only sees a fully
initialized auxiliary private object. If auxiliary_device_init() itself
fails, free those allocations directly because device_initialize() has not
run and the release callback will not be invoked.
This issue was found by a static analysis checker and confirmed by manual
source review.
Fixes:
|
||
|
Xin Long
|
e0b5252a59 |
sctp: fix auth_hmacs array size in struct sctp_cookie
The auth_hmacs array in struct sctp_cookie is supposed to store a complete
SCTP_AUTH_HMAC_ALGO parameter, which consists of a struct sctp_paramhdr
followed by N HMAC identifiers.
However, the array size was calculated using an extra 2 bytes instead of
sizeof(struct sctp_paramhdr), which is 4 bytes. When four HMAC identifiers
are configured, the HMAC-ALGO parameter stored in the endpoint is larger
than the auth_hmacs buffer in the cookie.
As a result, sctp_association_init() copies beyond the end of auth_hmacs
when initializing the association, corrupting the adjacent auth_chunks
field. This can lead to an invalid HMAC identifier being accepted and later
cause an out-of-bounds read in sctp_auth_get_hmac().
Fix the array size calculation by including the full SCTP parameter header
size.
Fixes:
|
||
|
Jamal Hadi Salim
|
f1f5c8a395 |
net/sched: act_tunnel_key: Defer dst_release to RCU callback
Fix a race-condition use-after-free in tunnel_key_release_params().
The function releases the metadata_dst of the old params synchronously
via dst_release() while deferring the params struct free with
kfree_rcu(). A concurrent tunnel_key_act() reader on the datapath may
still hold the old params pointer (under rcu_read_lock_bh) and proceed
to call dst_clone(¶ms->tcft_enc_metadata->dst) after the writer's
dst_release has already pushed the dst's rcuref to RCUREF_DEAD.
zdi-disclosures@trendmicro.com produced a poc which i (and Victor) verified
that KASAN reports:
==================================================================
BUG: KASAN: slab-use-after-free in instrument_atomic_read_write include/linux/instrumented.h:112
BUG: KASAN: slab-use-after-free in atomic_sub_return_release include/linux/atomic/atomic-instrumented.h:326
BUG: KASAN: slab-use-after-free in __rcuref_put include/linux/rcuref.h:109
BUG: KASAN: slab-use-after-free in rcuref_put include/linux/rcuref.h:173
BUG: KASAN: slab-use-after-free in dst_release+0x5b/0x370 net/core/dst.c:168
Write of size 4 at addr ffff88806158de40 by task poc/9388
CPU: 0 UID: 0 PID: 9388 Comm: poc Tainted: G W 7.1.0-rc7 #7 PREEMPT(lazy)
Tainted: [W]=WARN
Hardware name: QEMU Ubuntu 25.10 PC v2 (i440FX + PIIX, + 10.1 machine, 1996), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
Call Trace:
<TASK>
__dump_stack lib/dump_stack.c:94
dump_stack_lvl+0x100/0x190 lib/dump_stack.c:120
print_address_description mm/kasan/report.c:378
print_report+0x139/0x4ad mm/kasan/report.c:482
kasan_report+0xe4/0x1d0 mm/kasan/report.c:595
check_region_inline mm/kasan/generic.c:186
kasan_check_range+0x125/0x200 mm/kasan/generic.c:200
instrument_atomic_read_write include/linux/instrumented.h:112
atomic_sub_return_release include/linux/atomic/atomic-instrumented.h:326
__rcuref_put include/linux/rcuref.h:109
rcuref_put include/linux/rcuref.h:173
dst_release+0x5b/0x370 net/core/dst.c:168
refdst_drop include/net/dst.h:272
skb_dst_drop include/net/dst.h:284
skb_release_head_state+0x293/0x400 net/core/skbuff.c:1163
skb_release_all net/core/skbuff.c:1187
[..]
Allocated by task 9391:
kasan_save_stack+0x30/0x50 mm/kasan/common.c:57
kasan_save_track+0x14/0x30 mm/kasan/common.c:78
poison_kmalloc_redzone mm/kasan/common.c:398
__kasan_kmalloc+0x9a/0xb0 mm/kasan/common.c:415
kasan_kmalloc include/linux/kasan.h:263
__do_kmalloc_node mm/slub.c:5296
__kmalloc_noprof+0x2f1/0x830 mm/slub.c:5308
kmalloc_noprof include/linux/slab.h:954
kzalloc_noprof include/linux/slab.h:1188
offload_action_alloc+0x2f/0x130 net/core/flow_offload.c:35
tcf_action_offload_add_ex+0x1ba/0x880 net/sched/act_api.c:258
tcf_action_offload_add net/sched/act_api.c:293
tcf_action_init+0x66e/0xa20 net/sched/act_api.c:1547
tcf_action_add+0xf6/0x5d0 net/sched/act_api.c:2101
[..]
Freed by task 9391:
kasan_save_stack+0x30/0x50 mm/kasan/common.c:57
kasan_save_track+0x14/0x30 mm/kasan/common.c:78
kasan_save_free_info+0x3b/0x70 mm/kasan/generic.c:584
poison_slab_object mm/kasan/common.c:253
__kasan_slab_free+0x6b/0x90 mm/kasan/common.c:285
kasan_slab_free include/linux/kasan.h:235
slab_free_hook mm/slub.c:2689
slab_free mm/slub.c:6251
kfree+0x21f/0x6b0 mm/slub.c:6566
tcf_action_offload_add_ex+0x4ad/0x880 net/sched/act_api.c:284
tcf_action_offload_add net/sched/act_api.c:293
tcf_action_init+0x66e/0xa20 net/sched/act_api.c:1547
tcf_action_add+0xf6/0x5d0 net/sched/act_api.c:2101
The buggy address belongs to the object at ffff88806158de00
which belongs to the cache kmalloc-256 of size 256
The buggy address is located 64 bytes inside of
freed 256-byte region [ffff88806158de00, ffff88806158df00)
The buggy address belongs to the physical page:
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0xffff88806158d600 pfn:0x6158c
head: order:1 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
flags: 0x4fff00000000240(workingset|head|node=1|zone=1|lastcpupid=0x7ff)
page_type: f5(slab)
raw: 04fff00000000240 ffff88801c841b40 ffffea0001856290 ffffea0001856190
raw: ffff88806158d600 0000000800100009 00000000f5000000 0000000000000000
head: 04fff00000000240 ffff88801c841b40 ffffea0001856290 ffffea0001856190
head: ffff88806158d600 0000000800100009 00000000f5000000 0000000000000000
head: 04fff00000000001 ffffffffffffff81 00000000ffffffff 00000000ffffffff
head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000002
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 1, migratetype Unmovable, gfp_mask 0xd2820(GFP_ATOMIC|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 9391, tgid 9378 (poc), ts 123227323196, free_ts 0
set_page_owner include/linux/page_owner.h:32
post_alloc_hook+0xfe/0x140 mm/page_alloc.c:1853
prep_new_page mm/page_alloc.c:1861
get_page_from_freelist+0x110c/0x2fc0 mm/page_alloc.c:3941
__alloc_frozen_pages_noprof+0x263/0x2bc0 mm/page_alloc.c:5221
alloc_slab_page mm/slub.c:3278
allocate_slab mm/slub.c:3467
new_slab+0xa6/0x690 mm/slub.c:3525
refill_objects+0x271/0x420 mm/slub.c:7272
refill_sheaf mm/slub.c:2816
__pcs_replace_empty_main+0x373/0x630 mm/slub.c:4652
alloc_from_pcs mm/slub.c:4750
slab_alloc_node mm/slub.c:4884
__do_kmalloc_node mm/slub.c:5295
__kmalloc_noprof+0x66d/0x830 mm/slub.c:5308
kmalloc_noprof include/linux/slab.h:954
metadata_dst_alloc+0x26/0x90 net/core/dst.c:298
tun_rx_dst include/net/dst_metadata.h:144
__ip_tun_set_dst include/net/dst_metadata.h:208
tunnel_key_init+0xb01/0x1b90 net/sched/act_tunnel_key.c:451
tcf_action_init_1+0x46b/0x6c0 net/sched/act_api.c:1428
tcf_action_init+0x448/0xa20 net/sched/act_api.c:1503
tcf_action_add+0xf6/0x5d0 net/sched/act_api.c:2101
[..]
==================================================================
Fix by moving dst_release() into a custom RCU callback that runs
after the grace period, matching the lifetime of the containing
params struct. Readers in the datapath therefore always find a live
rcuref when calling dst_clone().
Fixes:
|
||
|
Ivan Vecera
|
d2e914a4a0 |
dpll: fix NULL pointer dereference in dpll_msg_add_pin_ref_sync()
When a dpll_pin is shared across multiple dpll_device instances and
those devices are being unregistered (e.g. during driver module removal),
a NULL pointer dereference can occur in dpll_msg_add_pin_ref_sync().
This happens under the following conditions:
- A pin is registered with two or more dpll devices (dpll_A, dpll_B)
- The pin has ref_sync pairs with other pins
- During unregistration of dpll_A's pins, a ref_sync partner pin is
unregistered first, removing it from dpll_A->pin_refs
- But since the partner pin is still registered with dpll_B, its
dpll_refs is not empty, so dpll_pin_ref_sync_pair_del() does NOT
run and the partner stays in the pin's ref_sync_pins xarray
- When the pin itself is then unregistered from dpll_A, the delete
notification calls dpll_msg_add_pin_ref_sync() which finds the
partner in ref_sync_pins, passes dpll_pin_available() (partner is
still registered with dpll_B), but dpll_pin_on_dpll_priv(dpll_A,
partner) returns NULL because partner was already removed from
dpll_A->pin_refs
- The NULL priv pointer is passed to the driver's ref_sync_get
callback, which dereferences it
BUG: kernel NULL pointer dereference, address: 0000000000000034
Oops: Oops: 0000 [#1] SMP NOPTI
RIP: 0010:zl3073x_dpll_input_pin_ref_sync_get+0x73/0x80 [zl3073x]
Call Trace:
dpll_msg_add_pin_ref_sync+0xb8/0x200
dpll_cmd_pin_get_one+0x3b6/0x4b0
dpll_pin_event_send+0x72/0x140
__dpll_pin_unregister+0x5a/0x2b0
dpll_pin_unregister+0x49/0x70
Fix this by skipping ref_sync pins whose priv pointer cannot be resolved
for the current dpll device.
Fixes:
|
||
|
Eric Dumazet
|
2c1931a811 |
tcp: fix TIME_WAIT socket reference leak on PSP policy failure
Release the TIME_WAIT socket reference and jump to discard_it
upon PSP policy failure in both IPv4 and IPv6 receive paths.
This prevents a memory leak of tcp_tw_bucket structures.
Fixes:
|
||
|
Zhiping Zhang
|
df6134b527 |
net/mlx5: free mlx5_st_idx_data on final dealloc
Workloads that repeatedly allocate and release mkeys carrying TPH
steering-tag hints (e.g. churning RDMA MRs) leak one
struct mlx5_st_idx_data per cycle; kmemleak flags it as unreferenced
and the kmalloc slab grows over time.
When the last reference to an ST table entry is dropped,
mlx5_st_dealloc_index() removed the entry from idx_xa but the backing
mlx5_st_idx_data allocation was never freed.
Free idx_data after the xa_erase() so the lifetime of the bookkeeping
struct matches the lifetime of the ST entry it tracks.
Cc: stable@vger.kernel.org
Fixes:
|
||
|
Paolo Abeni
|
892d3087c4 |
linux-can-fixes-for-7.2-20260716
-----BEGIN PGP SIGNATURE----- iIkEABYKADEWIQSl+MghEFFAdY3pYJLMOmT6rpmt0gUCaljFDxMcbWtsQHBlbmd1 dHJvbml4LmRlAAoJEMw6ZPquma3ScvEBAMN4/7N+Es+yBfeHYu2A+6b+5qeW+4Px WtxSffc9OxxtAP9H/UhgxnZdzgCalXipwZGjwSKgm87vPU8H1GDKlX3LBw== =EJTl -----END PGP SIGNATURE----- Merge tag 'linux-can-fixes-for-7.2-20260716' of git://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can Marc Kleine-Budde says: ==================== pull-request: can 2026-07-16 this is a pull request of 19 patches for net/main. The first patch is by Alexander Hölzl and fixes the Kconfig description of the vxcan driver. Next patch by Fan Wu fixes the tear down order in the esd_usb driver. Followed by a patch by Oliver Hartkopp that adds missing locking for the raw flags in the CAN_RAW protocol. Shuhao Fu's patch for the j1939 protocol fix lockless local-destination check. Stéphane Grosjean updates their email address. The next 11 patches all target the CAM Broadcast Manager protocol. One contributed by Lee Jones the remaining ones by Oliver Hartkopp. They fix several concurrency and locking issues found by various bots. The last 3 patches are also by Oliver Hartkopp fixing concurrency and locking issues found by various bots in the CAN ISO Transport Protocol. linux-can-fixes-for-7.2-20260716 * tag 'linux-can-fixes-for-7.2-20260716' of git://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can: can: isotp: serialize TX state transitions under so->rx_lock can: isotp: fix use-after-free race with concurrent NETDEV_UNREGISTER can: isotp: use unconditional synchronize_rcu() in isotp_release() can: bcm: track a single source interface for ANYDEV timeout/throttle ops can: bcm: fix data race on rx_stamp/rx_ifindex in bcm_rx_handler() can: bcm: fix stale rx/tx ops after device removal can: bcm: add missing device refcount for CAN filter removal can: bcm: validate frame length in bcm_rx_setup() for RTR replies can: bcm: extend bcm_tx_lock usage for data and timer updates can: bcm: add missing rcu list annotations and operations can: bcm: fix CAN frame rx/tx statistics can: bcm: add locking when updating filter and timer values can: bcm: fix lockless bound/ifindex race and silent RX_SETUP failure can: bcm: defer rx_op deallocation to workqueue to fix thrtimer UAF can: peak: Modification of references to email accounts being deleted can: j1939: fix lockless local-destination check can: raw: add locking for raw flags bitfield can: esd_usb: kill anchored URBs before freeing netdevs can: vxcan: Kconfig: fix description stating no local echo provided ==================== Link: https://patch.msgid.link/20260716155528.809908-1-mkl@pengutronix.de Signed-off-by: Paolo Abeni <pabeni@redhat.com> |
||
|
Paolo Abeni
|
78d24e77ff |
bluetooth pull request for net:
- hci_sync: hold hdev->lock for hci_conn_params lookups - hci_sync: extend conn_hash lookup critical sections - hci_qca: Clear memdump state on invalid dump size - MGMT: revalidate LOAD_CONN_PARAM queued update - MGMT: Translate HCI reason in Device Disconnected event - MGMT: fix locking in unpair_device/disconnect_sync - MGMT: hold reference for hci_conn in mgmt_pending_cmds - btrtl: validate firmware patch bounds - qca: fix NVM tag length underflow in TLV parser -----BEGIN PGP SIGNATURE----- iQJNBAABCgA3FiEE7E6oRXp8w05ovYr/9JCA4xAyCykFAmpU86UZHGx1aXoudm9u LmRlbnR6QGludGVsLmNvbQAKCRD0kIDjEDILKaNFD/9lG5OnZ0tBecNUImmQkAkP vcLvS/3/IxIot19VFr16qm1PIcqsUwgKFBrh8SD71IgSsIVJ2CrQNvSbRpDCEM3p WmOGraN8e799S3MtJ/nzYwZBmYFIVOcBgqg1ctYMFr6RGjzfbGnF2c5pX/vyzFWq PVfpCQPaRV0PaSlrtvvVWiPfheG07C8qAW8h1NPudHebObO4xO0J4aKqeulpn/5/ G885l9L5q/+P/gU3zpi7dAulJ+EbX8feHh9tvATPSusySZWgFuTAaDxsS68jBThr BAtyHFntB3Fz7Bic8IifMPgFHncnvZssi5s3CGZGauo0sWAn8CkDN+wkJjaN48/Y 6UfKO5puYF6geDDu97WCjdQnxnFIgcLue4BhlZdTo+yx6XKEbTV52kghrM6E1lP4 dBPepdjt3qQDIi3SZSKLb8hq1ml8BUnmXH/f3FIvOP/YTSe3ekqmo6zFf5tMUeYW q31t0rtKvh1oNGzwlfzz00GB/aY/s2tJQhUpboBopvFBZZCjK60hVWqQh45Xrvwi /y7Dnqjv+7wIwTtCkMyKcmznTLEIuaWwYNcvEwfhl137Oa8maqRaX19B4kqLbX/L 4K6VLZyscNqg7zAMHw6SZECGYVLEK1jJAlpXg4MnMKQ7t4GU5sLqk91/SRPrFbsO OECMsLTqGN0btRbxSq3lAw== =t/FR -----END PGP SIGNATURE----- Merge tag 'for-net-2026-07-13' of git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth Luiz Augusto von Dentz says: ==================== bluetooth pull request for net: - hci_sync: hold hdev->lock for hci_conn_params lookups - hci_sync: extend conn_hash lookup critical sections - hci_qca: Clear memdump state on invalid dump size - MGMT: revalidate LOAD_CONN_PARAM queued update - MGMT: Translate HCI reason in Device Disconnected event - MGMT: fix locking in unpair_device/disconnect_sync - MGMT: hold reference for hci_conn in mgmt_pending_cmds - btrtl: validate firmware patch bounds - qca: fix NVM tag length underflow in TLV parser * tag 'for-net-2026-07-13' of git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth: Bluetooth: mgmt: Translate HCI reason in Device Disconnected event Bluetooth: hci_qca: Clear memdump state on invalid dump size Bluetooth: hci_sync: hold hdev->lock for hci_conn_params lookups Bluetooth: mgmt: hold reference for hci_conn in mgmt_pending_cmds Bluetooth: mgmt: fix locking in unpair_device/disconnect_sync Bluetooth: hci_sync: extend conn_hash lookup critical sections Bluetooth: btrtl: validate firmware patch bounds Bluetooth: MGMT: revalidate LOAD_CONN_PARAM queued update Bluetooth: qca: fix NVM tag length underflow in TLV parser ==================== Link: https://patch.msgid.link/20260713141940.954317-1-luiz.dentz@gmail.com Signed-off-by: Paolo Abeni <pabeni@redhat.com> |
||
|
Paolo Abeni
|
bc7291793f |
netfilter pull request nf-26-07-10
-----BEGIN PGP SIGNATURE----- iQJdBAABCABHFiEEgKkgxbID4Gn1hq6fcJGo2a1f9gAFAmpRAaIbFIAAAAAABAAO bWFudTIsMi41KzEuMTIsMiwyDRxmd0BzdHJsZW4uZGUACgkQcJGo2a1f9gAQJw/+ Kj3gIsC+IWVsyF4zVvQrYlNkE6SELujsS7OkzY2voyaMS2waA2awl2Wep7G5Z6B7 o36vez8ajnMCvGzfJKOtLgo2H32qxW4XzRuJVROlHRgSpJjASVTP9WREK4pCmfJr cU/D8YujTMxoEcdaIjDgjKyDogMtfbEyUqbiguLuym9NEX4izXXMv9tfWlFfWDtH RhmDV25WXLTa/h1Iz7rl2m1FPZ48oB7VOaar0seIPYF+kQ+tVr0CsSnfx22uHfoj H2g8ahfjjDhyPJTraDjQbdyenW5TzZ3ZzoBpwlpRynbKwKgLqnFdCBtG/vdm0SMM ZOfITT0aU8/tyh/zUm3pOmhIQJpGrxQC7ox0Jya+wc6tNT9ixKAocfUm/ftSuZBD EmH+YlfdQivEcaiP9GlPyGKFp0xRlAtDjbPiA5ZZXJtCNS17KRHNmc/GRIBnhqJu sv8c5Qxj3xppoBbTENKy0WI81L200CEpBrm+7qUgQj+TRdXzCaLCL7KTyLlmKxQa mor1TPDbrs5FEMWVaPJLloKSlKCm0forFnuRIxD3VYLQxqeomHY4CaV+vNjdMJDC 4oV64Z1XVDR5SjtA+/MmX07FdTBdlGDzBZQugwQyhbM+iHEHBmvxXkyMEBpVBN2x U9XICr1PBibENZAyS/IKYW8ilfPtkUiW6Jgyk5W7bIw= =eXsP -----END PGP SIGNATURE----- Merge tag 'nf-26-07-10' of https://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf Florian Westphal says: ==================== netfilter: updates for net The following patchset contains Netfilter fixes for *net*. These are fixes for bugs except patches 6 and 9 which fix issues added in last PR and 7.1-rc1. 1) Reject unsupported target families in xt_nat_checkentry(). From Wyatt Feng. 2) Fix inverted time_after() check in ecache_work_evict_list(). Causes pointless work rescheds and thus way longer time to clear the pending event backlog. From Yizhou Zhao. 3) Fix a use-after-free in br_ip6_fragment() caused by a dangling prevhdr pointer. From Xiang Mei. 4) Fix incorrect conntrack zone comparison in nf_conncount tuple deduplication. Pass IP_CT_DIR_ORIGINAL, not zone direction. From Yizhou Zhao. 5) Add bridge tunnel flowtable regression test for a bug that got fixed in the previous PR. From Zhengyang Chen. 6) Use the correct direction when setting up tunnel routes in the flowtable xmit path. From Pablo Neira Ayuso. This fixes a bug added in the previous PR. 7) Reload IP header after potential skb head reallocation in IPVS. 8) Fix incorrect IPv6 transport offsets in TCP application code. Correct the ICMPv6 header offset to ensure proper checksumming with extension headers, from Julian Anastasov. this is a followup to the previous PR. 9) Remove null-termination requirement for xt_physdev masks, this broke device names with 15 characters. netfilter pull request nf-26-07-10 * tag 'nf-26-07-10' of https://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf: netfilter: xt_physdev: masks are not c-strings ipvs: fix more places with wrong ipv6 transport offsets ipvs: reload ip header after head reallocation netfilter: flowtable: use correct direction to set up tunnel route selftests: netfilter: add bridge tunnel flowtable regression netfilter: nf_conncount: fix zone comparison in tuple dedup netfilter: bridge: fix stale prevhdr pointer in br_ip6_fragment() netfilter: ecache: fix inverted time_after() check netfilter: xt_nat: reject unsupported target families ==================== Link: https://patch.msgid.link/20260710143733.29741-1-fw@strlen.de Signed-off-by: Paolo Abeni <pabeni@redhat.com> |
||
|
Linus Torvalds
|
fce2dfa773 |
ten client fixes
-----BEGIN PGP SIGNATURE----- iQGzBAABCgAdFiEE6fsu8pdIjtWE/DpLiiy9cAdyT1EFAmpZZLcACgkQiiy9cAdy T1HsUwv/SMAAxV/8OlEiSfhg+YBjgHio1MRG8eB8yyaJJxpbt5AfYKR5yDc57GUT +CdVKxc+ZBFKhaNDFF+w0Z+nzTC5KGRRiixNVperet8gqzwuL5ZE1BrSJJDbf7CY uPuUTlTol380U7mV/F+3elV+1oFiyNcZFIPPnTKldJdrVOf+tHKIoP9ffVbnVw4X eY5h1EbmV+VCDNI+crkFPl49VeeYhOGeUx+zhW2gwkMae0/CBKeYVa2ztvWOPZeq k8tLdL/OU4ZT85XFPPrjdJ8RY39kNqv6ZKE4k5LScWjm4Cz/kNvMrVbACoUfR6Vr a7kt64rCDmpfcgpB5uIMsQ7TkPPULwT4qic41uBq8LxmsDKvYJD+Fc1mJkl2b4gW 6T0K0jieBleECc4Mj/XLwoZlfQux1F/2801aHo3QxcfY5zjjRY+FlEhrDGJ4dgXA wGVXwvZF4od6Yp+dTn+JxsJs8x3PrLV5uON09yetoPaptIfINlCtfPc8noFOI+aa 3ApU8cuF =MgQD -----END PGP SIGNATURE----- Merge tag 'v7.2-rc3-smb3-client-fixes' of git://git.samba.org/sfrench/cifs-2.6 Pull smb client fixes from Steve French: - fallocate fixes - unit test fixes - fix allocation size after duplicate extents - fix check for overlapping data areas * tag 'v7.2-rc3-smb3-client-fixes' of git://git.samba.org/sfrench/cifs-2.6: smb/client: flush dirty data before punching a hole smb/client: Use EXPORT_SYMBOL_IF_KUNIT() to export symbols in SMB2 smb/client: Use EXPORT_SYMBOL_IF_KUNIT() to export symbols smb: client: reject overlapping data areas in SMB2 responses smb/client: refresh allocation after EOF-extending fallocate smb/client: emulate small EOF-extending mode 0 fallocate ranges smb/client: reduce fallocate zero buffer allocation smb/client: handle overlapping allocated ranges in fallocate smb/client: refresh allocation size after duplicate extents smb: client: use kvzalloc() for megabyte buffer in simple fallocate |
||
|
Linus Torvalds
|
481ed5dd3e |
Landlock fix for v7.2-rc4
-----BEGIN PGP SIGNATURE----- iIYEABYKAC4WIQSVyBthFV4iTW/VU1/l49DojIL20gUCalkmfRAcbWljQGRpZ2lr b2QubmV0AAoJEOXj0OiMgvbSEScA/0ulphDJlXSqY1pEVlnBevE4IefLi7gnjfAj vH0N8fVfAP91GUMSwhj/i308G2pO4Uh+gJykCUqQjoVyf3I5KKm4AA== =lyOn -----END PGP SIGNATURE----- Merge tag 'landlock-7.2-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/mic/linux Pull landlock fix from Mickaël Salaün: "This fixes TCP Fast Open support, specific test environments, and doc warnings" * tag 'landlock-7.2-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/mic/linux: selftests/landlock: Skip scoped_signal subtest with MSG_OOB if not available selftests/landlock: Fix screwed up pointers in the scoped_signal_test landlock: Update formatting landlock: Fix kernel-doc for the nested quiet layer flag selftests/landlock: Add test for TCP fast open landlock: Fix TCP Fast Open connection bypass |
||
|
Linus Torvalds
|
e22254e9dd |
xfs: fixes for v7.2-rc4
Signed-off-by: Carlos Maiolino <cem@kernel.org> -----BEGIN PGP SIGNATURE----- iJUEABMJAB0WIQSmtYVZ/MfVMGUq1GNcsMJ8RxYuYwUCalj/DwAKCRBcsMJ8RxYu Y3UMAYCrPzc41SGZdOkoxvO5g3BwGISXYCiCCIFFvnnDXztuiJytgZ+VPH+C7X4J tlGjRXUBfi8PcoePIbDfPXxay+T/g5Pz29ADyl2UAkxPYRRWeYYxKTyCTBvBdUXS lMCnv0pSPg== =Hcay -----END PGP SIGNATURE----- Merge tag 'xfs-fixes-7.2-rc4' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux Pull xfs fixes from Carlos Maiolino: "This contains mostly a series of bug fixes found by different LLM models" * tag 'xfs-fixes-7.2-rc4' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux: (21 commits) xfs: don't zap bmbt forks if they are MAXLEVELS tall xfs: clamp timestamp nanoseconds correctly xfs: fully check the parent handle when it points to the rootdir xfs: handle non-inode owners for rtrmap record checking xfs: fix off-by-one error when calling xchk_xref_has_rt_owner xfs: set xfarray killable sort correctly xfs: grab rtrmap btree when checking rgsuper xfs: write the rg superblock when fixing it xfs: use the rt version of the cow staging checker xfs: use rtrefcount btree cursor in xchk_xref_is_rt_cow_staging xfs: don't wrap around quota ids in dqiterate xfs: move cow_replace_mapping to xfs_bmap_util.c xfs: make cow repair somewhat flaky when debugging knob enabled xfs: don't replace the wrong part of the cow fork xfs: resample the data fork mapping after cycling ILOCK xfs: fix null pointer dereference in tracepoint xfs: use xfs_csn_t for xlog_cil_push_now() push_seq parameter xfs: tie zoned sysfs lifetime to zone info xfs: fail recovery on a committed log item with no regions xfs: splice unsorted log items back to the transaction after the loop ... |
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Linus Torvalds
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133fc7aacc |
Changes since last update:
- Fix sanity checks for ztailpacking tail pclusters to avoid
false corruption reports
- Use more informative s_id for file-backed mounts
- Hide the meaningless "cache_strategy=" mount option on plain
(uncompressed) filesystems
- Remove the unneeded erofs_is_ishare_inode() helper
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Merge tag 'erofs-for-7.2-rc4-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs
Pull erofs fixes from Gao Xiang:
- Fix sanity checks for ztailpacking tail pclusters to avoid
false corruption reports
- Use more informative s_id for file-backed mounts
- Hide the meaningless "cache_strategy=" mount option on plain
(uncompressed) filesystems
- Remove the unneeded erofs_is_ishare_inode() helper
* tag 'erofs-for-7.2-rc4-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs:
erofs: hide "cache_strategy=" for plain filesystems
erofs: get rid of erofs_is_ishare_inode() helper
erofs: relax sanity check for tail pclusters due to ztailpacking
erofs: use more informative s_id for file-backed mounts
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Linus Torvalds
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6f5156d7a3 |
Power management fixes for 7.2-rc4
- Make cpufreq_update_pressure() use cpuinfo.max_freq as the default
reference frequency when arch_scale_freq_ref() returns 0 to allow
the scheduler to still take CPU frequency caps into account in those
cases (Rafael Wysocki)
- Use the HWP guaranteed performance level as the full capacity
performance in intel_pstate on hybrid systems when turbo frequencies
are not allowed to be used to make scale-invariance work as expected
in those cases (Rafael Wysocki)
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Merge tag 'pm-7.2-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management fixes from Rafael Wysocki:
"These fix two cpufreq issues, one in the intel_pstate driver and one
in the core:
- Make cpufreq_update_pressure() use cpuinfo.max_freq as the default
reference frequency when arch_scale_freq_ref() returns 0 to allow
the scheduler to still take CPU frequency caps into account in
those cases (Rafael Wysocki)
- Use the HWP guaranteed performance level as the full capacity
performance in intel_pstate on hybrid systems when turbo
frequencies are not allowed to be used to make scale-invariance
work as expected in those cases (Rafael Wysocki)"
* tag 'pm-7.2-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
cpufreq: Make cpufreq_update_pressure() fall back to cpuinfo.max_freq
cpufreq: intel_pstate: Set non-turbo capacity to HWP_GUARANTEED_PERF()
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