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Signed-off-by: Sabrina Dubroca <sd@queasysnail.net>
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
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Signed-off-by: Sabrina Dubroca <sd@queasysnail.net>
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
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xfrm_user_rcv_msg() already handles extack, we just need to pass it down.
Signed-off-by: Sabrina Dubroca <sd@queasysnail.net>
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
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'unsigned int' is better than 'unsigned'.
Signed-off-by: Xin Gao <gaoxin@cdjrlc.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This reverts commit 6005a8aecee8afeba826295321a612ab485c230e.
The assertion was intentionally removed in commit 043b8413e8c0 ("net:
devlink: remove redundant rtnl lock assert") and, contrary what is
described in the commit message, the comment reflects that: "Caller must
hold RTNL mutex or reference to dev...".
Signed-off-by: Vlad Buslov <vladbu@nvidia.com>
Tested-by: Leon Romanovsky <leonro@nvidia.com>
Link: https://lore.kernel.org/r/20220829121324.3980376-1-vladbu@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Stefan Schmidt says:
====================
ieee802154 for net 2022-08-29
- repeated word fix from Jilin Yuan.
- missed return code setting in the cc2520 driver by Li Qiong.
- fixing a potential race in by defering the workqueue destroy
in the adf7242 driver by Lin Ma.
- fixing a long standing problem in the mac802154 rx path to match
corretcly by Miquel Raynal.
* tag 'ieee802154-for-net-2022-08-29' of git://git.kernel.org/pub/scm/linux/kernel/git/sschmidt/wpan:
ieee802154: cc2520: add rc code in cc2520_tx()
net: mac802154: Fix a condition in the receive path
net/ieee802154: fix repeated words in comments
ieee802154/adf7242: defer destroy_workqueue call
====================
Link: https://lore.kernel.org/r/20220829100308.2802578-1-stefan@datenfreihafen.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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In attach_default_qdiscs(), if a dev has multiple queues and queue 0 fails
to attach qdisc because there is no memory in attach_one_default_qdisc().
Then dev->qdisc will be noop_qdisc by default. But the other queues may be
able to successfully attach to default qdisc.
In this case, the fallback to noqueue process will be triggered. If the
original attached qdisc is not released and a new one is directly
attached, this will cause netdevice reference leaks.
The following is the bug log:
veth0: default qdisc (fq_codel) fail, fallback to noqueue
unregister_netdevice: waiting for veth0 to become free. Usage count = 32
leaked reference.
qdisc_alloc+0x12e/0x210
qdisc_create_dflt+0x62/0x140
attach_one_default_qdisc.constprop.41+0x44/0x70
dev_activate+0x128/0x290
__dev_open+0x12a/0x190
__dev_change_flags+0x1a2/0x1f0
dev_change_flags+0x23/0x60
do_setlink+0x332/0x1150
__rtnl_newlink+0x52f/0x8e0
rtnl_newlink+0x43/0x70
rtnetlink_rcv_msg+0x140/0x3b0
netlink_rcv_skb+0x50/0x100
netlink_unicast+0x1bb/0x290
netlink_sendmsg+0x37c/0x4e0
sock_sendmsg+0x5f/0x70
____sys_sendmsg+0x208/0x280
Fix this bug by clearing any non-noop qdiscs that may have been assigned
before trying to re-attach.
Fixes: bf6dba76d278 ("net: sched: fallback to qdisc noqueue if default qdisc setup fail")
Signed-off-by: Wang Hai <wanghai38@huawei.com>
Link: https://lore.kernel.org/r/20220826090055.24424-1-wanghai38@huawei.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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There should be no reason to adjust old ktermios which is going to get
discarded anyway.
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Link: https://lore.kernel.org/r/20220816115739.10928-9-ilpo.jarvinen@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Follow-up the removal of unused internal api of port params made by
commit 42ded61aa75e ("devlink: Delete not used port parameters APIs")
and stub the commands and add extack message to tell the user what is
going on.
If later on port params are needed, could be easily re-introduced,
but until then it is a dead code.
Signed-off-by: Jiri Pirko <jiri@nvidia.com>
Reviewed-by: Jakub Kicinski <kuba@kernel.org>
Link: https://lore.kernel.org/r/20220826082730.1399735-1-jiri@resnulli.us
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Using TCQ_MIN_PRIO_BANDS instead of magic number in prio_tune().
Signed-off-by: Zhengchao Shao <shaozhengchao@huawei.com>
Acked-by: Cong Wang <xiyou.wangcong@gmail.com>
Link: https://lore.kernel.org/r/20220826041035.80129-1-shaozhengchao@huawei.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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The actual presence check for the header is in
ethnl_parse_header_dev_get() but it's a few layers in,
and already has a ton of arguments so let's just pick
the low hanging fruit and check for missing header in
the default request handler.
Reviewed-by: Ido Schimmel <idosch@nvidia.com>
Reviewed-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Strset needs ETHTOOL_A_STRINGSET_ID, use it as an example of
reporting attrs missing in nests.
Reviewed-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Devlink with its global attr policy has a lot of attribute
presence check, use the new ext ack reporting when they are
missing.
Reviewed-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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There is currently no way to report via extack in a structured way
that an attribute is missing. This leads to families resorting to
string messages.
Add a pair of attributes - @offset and @type for machine-readable
way of reporting missing attributes. The @offset points to the
nest which should have contained the attribute, @type is the
expected nla_type. The offset will be skipped if the attribute
is missing at the message level rather than inside a nest.
User space should be able to figure out which attribute enum
(AKA attribute space AKA attribute set) the nest pointed to by
@offset is using.
Reviewed-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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The ext_ack writing code looks very "organically grown".
Move the calculation of the size and writing out to helpers.
This is more idiomatic and gives us the ability to return early
avoiding the long (and randomly ordered) "if" conditions.
Reviewed-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Consolidate alloclen and pagedlen calculation for zerocopy and normal
paged requests. The current non-zerocopy paged version can a bit
overallocate and unnecessary copy a small chunk of data into the linear
part.
Cc: Willem de Bruijn <willemb@google.com>
Link: https://lore.kernel.org/netdev/CA+FuTSf0+cJ9_N_xrHmCGX_KoVCWcE0YQBdtgEkzGvcLMSv7Qw@mail.gmail.com/
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/b0e4edb7b91f171c7119891d3c61040b8c56596e.1661428921.git.asml.silence@gmail.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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The issue is the same to commit c2999f7fb05b ("net: sched: multiq: don't
call qdisc_put() while holding tree lock"). Qdiscs call qdisc_put() while
holding sch tree spinlock, which results sleeping-while-atomic BUG.
Fixes: c266f64dbfa2 ("net: sched: protect block state with mutex")
Signed-off-by: Zhengchao Shao <shaozhengchao@huawei.com>
Link: https://lore.kernel.org/r/20220826013930.340121-1-shaozhengchao@huawei.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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On 32bit-UP u64_stats_fetch_begin() disables only preemption. If the
reader is in preemptible context and the writer side
(u64_stats_update_begin*()) runs in an interrupt context (IRQ or
softirq) then the writer can update the stats during the read operation.
This update remains undetected.
Use u64_stats_fetch_begin_irq() to ensure the stats fetch on 32bit-UP
are not interrupted by a writer. 32bit-SMP remains unaffected by this
change.
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Catherine Sullivan <csully@google.com>
Cc: David Awogbemila <awogbemila@google.com>
Cc: Dimitris Michailidis <dmichail@fungible.com>
Cc: Eric Dumazet <edumazet@google.com>
Cc: Hans Ulli Kroll <ulli.kroll@googlemail.com>
Cc: Jakub Kicinski <kuba@kernel.org>
Cc: Jeroen de Borst <jeroendb@google.com>
Cc: Johannes Berg <johannes@sipsolutions.net>
Cc: Linus Walleij <linus.walleij@linaro.org>
Cc: Paolo Abeni <pabeni@redhat.com>
Cc: Simon Horman <simon.horman@corigine.com>
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-wireless@vger.kernel.org
Cc: netdev@vger.kernel.org
Cc: oss-drivers@corigine.com
Cc: stable@vger.kernel.org
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Reviewed-by: Simon Horman <simon.horman@corigine.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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We had historically not checked that genlmsghdr.reserved
is 0 on input which prevents us from using those precious
bytes in the future.
One use case would be to extend the cmd field, which is
currently just 8 bits wide and 256 is not a lot of commands
for some core families.
To make sure that new families do the right thing by default
put the onus of opting out of validation on existing families.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Acked-by: Paul Moore <paul@paul-moore.com> (NetLabel)
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add the missing unlock before return in the error handling case.
Fixes: ccdde7c74ffd ("wifi: mac80211: properly implement MLO key handling")
Signed-off-by: Sun Ke <sunke32@huawei.com>
Link: https://lore.kernel.org/r/20220827022452.823381-1-sunke32@huawei.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Upon reception, a packet must be categorized, either it's destination is
the host, or it is another host. A packet with no destination addressing
fields may be valid in two situations:
- the packet has no source field: only ACKs are built like that, we
consider the host as the destination.
- the packet has a valid source field: it is directed to the PAN
coordinator, as for know we don't have this information we consider we
are not the PAN coordinator.
There was likely a copy/paste error made during a previous cleanup
because the if clause is now containing exactly the same condition as in
the switch case, which can never be true. In the past the destination
address was used in the switch and the source address was used in the
if, which matches what the spec says.
Cc: stable@vger.kernel.org
Fixes: ae531b9475f6 ("ieee802154: use ieee802154_addr instead of *_sa variants")
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/r/20220826142954.254853-1-miquel.raynal@bootlin.com
Signed-off-by: Stefan Schmidt <stefan@datenfreihafen.org>
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Allow specifying the xfrm interface if_id and link as part of a route
metadata using the lwtunnel infrastructure.
This allows for example using a single xfrm interface in collect_md
mode as the target of multiple routes each specifying a different if_id.
With the appropriate changes to iproute2, considering an xfrm device
ipsec1 in collect_md mode one can for example add a route specifying
an if_id like so:
ip route add <SUBNET> dev ipsec1 encap xfrm if_id 1
In which case traffic routed to the device via this route would use
if_id in the xfrm interface policy lookup.
Or in the context of vrf, one can also specify the "link" property:
ip route add <SUBNET> dev ipsec1 encap xfrm if_id 1 link_dev eth15
Note: LWT_XFRM_LINK uses NLA_U32 similar to IFLA_XFRM_LINK even though
internally "link" is signed. This is consistent with other _LINK
attributes in other devices as well as in bpf and should not have an
effect as device indexes can't be negative.
Reviewed-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Reviewed-by: Nikolay Aleksandrov <razor@blackwall.org>
Signed-off-by: Eyal Birger <eyal.birger@gmail.com>
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
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This commit adds support for 'collect_md' mode on xfrm interfaces.
Each net can have one collect_md device, created by providing the
IFLA_XFRM_COLLECT_METADATA flag at creation. This device cannot be
altered and has no if_id or link device attributes.
On transmit to this device, the if_id is fetched from the attached dst
metadata on the skb. If exists, the link property is also fetched from
the metadata. The dst metadata type used is METADATA_XFRM which holds
these properties.
On the receive side, xfrmi_rcv_cb() populates a dst metadata for each
packet received and attaches it to the skb. The if_id used in this case is
fetched from the xfrm state, and the link is fetched from the incoming
device. This information can later be used by upper layers such as tc,
ebpf, and ip rules.
Because the skb is scrubed in xfrmi_rcv_cb(), the attachment of the dst
metadata is postponed until after scrubing. Similarly, xfrm_input() is
adapted to avoid dropping metadata dsts by only dropping 'valid'
(skb_valid_dst(skb) == true) dsts.
Policy matching on packets arriving from collect_md xfrmi devices is
done by using the xfrm state existing in the skb's sec_path.
The xfrm_if_cb.decode_cb() interface implemented by xfrmi_decode_session()
is changed to keep the details of the if_id extraction tucked away
in xfrm_interface.c.
Reviewed-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Reviewed-by: Nikolay Aleksandrov <razor@blackwall.org>
Signed-off-by: Eyal Birger <eyal.birger@gmail.com>
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
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Commit 23c7f8d7989e ("net: Fix esp GSO on inter address family
tunnels.") is incomplete. It passes to skb_eth_gso_segment the
protocol for the outer IP version, instead of the inner IP version, so
we end up calling inet_gso_segment on an inner IPv6 packet and
ipv6_gso_segment on an inner IPv4 packet and the packets are dropped.
This patch completes the fix by selecting the correct protocol based
on the inner mode's family.
Fixes: c35fe4106b92 ("xfrm: Add mode handlers for IPsec on layer 2")
Signed-off-by: Sabrina Dubroca <sd@queasysnail.net>
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
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We no longer allow "handle" to be zero, so there is no need to check
for that.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Link: https://lore.kernel.org/r/Ywd4NIoS4aiilnMv@kili
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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CRIU needs OVS_DP_ATTR_PER_CPU_PIDS to checkpoint/restore newest
openvswitch versions.
Add pids to generic datapath reply. Limit exported pids amount to
nr_cpu_ids.
Signed-off-by: Andrey Zhadchenko <andrey.zhadchenko@virtuozzo.com>
Acked-by: Christian Brauner (Microsoft) <brauner@kernel.org>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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CRIU is preserving ifindexes of net devices after restoration. However,
current Open vSwitch API does not allow to target ifindex, so we cannot
correctly restore OVS configuration.
Add new OVS_DP_ATTR_IFINDEX for OVS_DP_CMD_NEW and use it as desired
ifindex.
Use OVS_VPORT_ATTR_IFINDEX during OVS_VPORT_CMD_NEW to specify new netdev
ifindex.
Signed-off-by: Andrey Zhadchenko <andrey.zhadchenko@virtuozzo.com>
Acked-by: Christian Brauner (Microsoft) <brauner@kernel.org>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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ovs_dp_cmd_new()->ovs_dp_change()->ovs_dp_set_upcall_portids()
allocates array via kmalloc.
If for some reason new_vport() fails during ovs_dp_cmd_new()
dp->upcall_portids must be freed.
Add missing kfree.
Kmemleak example:
unreferenced object 0xffff88800c382500 (size 64):
comm "dump_state", pid 323, jiffies 4294955418 (age 104.347s)
hex dump (first 32 bytes):
5e c2 79 e4 1f 7a 38 c7 09 21 38 0c 80 88 ff ff ^.y..z8..!8.....
03 00 00 00 0a 00 00 00 14 00 00 00 28 00 00 00 ............(...
backtrace:
[<0000000071bebc9f>] ovs_dp_set_upcall_portids+0x38/0xa0
[<000000000187d8bd>] ovs_dp_change+0x63/0xe0
[<000000002397e446>] ovs_dp_cmd_new+0x1f0/0x380
[<00000000aa06f36e>] genl_family_rcv_msg_doit+0xea/0x150
[<000000008f583bc4>] genl_rcv_msg+0xdc/0x1e0
[<00000000fa10e377>] netlink_rcv_skb+0x50/0x100
[<000000004959cece>] genl_rcv+0x24/0x40
[<000000004699ac7f>] netlink_unicast+0x23e/0x360
[<00000000c153573e>] netlink_sendmsg+0x24e/0x4b0
[<000000006f4aa380>] sock_sendmsg+0x62/0x70
[<00000000d0068654>] ____sys_sendmsg+0x230/0x270
[<0000000012dacf7d>] ___sys_sendmsg+0x88/0xd0
[<0000000011776020>] __sys_sendmsg+0x59/0xa0
[<000000002e8f2dc1>] do_syscall_64+0x3b/0x90
[<000000003243e7cb>] entry_SYSCALL_64_after_hwframe+0x63/0xcd
Fixes: b83d23a2a38b ("openvswitch: Introduce per-cpu upcall dispatch")
Acked-by: Aaron Conole <aconole@redhat.com>
Signed-off-by: Andrey Zhadchenko <andrey.zhadchenko@virtuozzo.com>
Link: https://lore.kernel.org/r/20220825020326.664073-1-andrey.zhadchenko@virtuozzo.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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In genl_bind(), currently genl_lock and write cb_lock are taken
for iteration of genl_fam_idr and processing of static values
stored in struct genl_family. Take just read cb_lock for this task
as it is sufficient to guard the idr and the struct against
concurrent genl_register/unregister_family() calls.
This will allow to run genl command processing in genl_rcv() and
mnl_socket_setsockopt(.., NETLINK_ADD_MEMBERSHIP, ..) in parallel.
Reported-by: Vikas Gupta <vikas.gupta@broadcom.com>
Signed-off-by: Jiri Pirko <jiri@nvidia.com>
Link: https://lore.kernel.org/r/20220825081940.1283335-1-jiri@resnulli.us
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Similar to devlink_compat_phys_port_name_get(), make sure that
devlink_compat_switch_id_get() is called with RTNL lock held. Comment
already says so, so put this in code as well.
Signed-off-by: Jiri Pirko <jiri@nvidia.com>
Link: https://lore.kernel.org/r/20220825112923.1359194-1-jiri@resnulli.us
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Luiz Augusto von Dentz says:
====================
bluetooth pull request for net:
- Fix handling of duplicate connection handle
- Fix handling of HCI vendor opcode
- Fix suspend performance regression
- Fix build errors
- Fix not handling shutdown condition on ISO sockets
- Fix double free issue
* tag 'for-net-2022-08-25' of git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth:
Bluetooth: hci_sync: hold hdev->lock when cleanup hci_conn
Bluetooth: move from strlcpy with unused retval to strscpy
Bluetooth: hci_event: Fix checking conn for le_conn_complete_evt
Bluetooth: ISO: Fix not handling shutdown condition
Bluetooth: hci_sync: fix double mgmt_pending_free() in remove_adv_monitor()
Bluetooth: MGMT: Fix Get Device Flags
Bluetooth: L2CAP: Fix build errors in some archs
Bluetooth: hci_sync: Fix suspend performance regression
Bluetooth: hci_event: Fix vendor (unknown) opcode status handling
====================
Link: https://lore.kernel.org/r/20220825234559.1837409-1-luiz.dentz@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Daniel borkmann says:
====================
The following pull-request contains BPF updates for your *net* tree.
We've added 11 non-merge commits during the last 14 day(s) which contain
a total of 13 files changed, 61 insertions(+), 24 deletions(-).
The main changes are:
1) Fix BPF verifier's precision tracking around BPF ring buffer, from Kumar Kartikeya Dwivedi.
2) Fix regression in tunnel key infra when passing FLOWI_FLAG_ANYSRC, from Eyal Birger.
3) Fix insufficient permissions for bpf_sys_bpf() helper, from YiFei Zhu.
4) Fix splat from hitting BUG when purging effective cgroup programs, from Pu Lehui.
5) Fix range tracking for array poke descriptors, from Daniel Borkmann.
6) Fix corrupted packets for XDP_SHARED_UMEM in aligned mode, from Magnus Karlsson.
7) Fix NULL pointer splat in BPF sockmap sk_msg_recvmsg(), from Liu Jian.
8) Add READ_ONCE() to bpf_jit_limit when reading from sysctl, from Kuniyuki Iwashima.
9) Add BPF selftest lru_bug check to s390x deny list, from Daniel Müller.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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The memory allocated by using kzallloc_node and kcalloc has been cleared.
Therefore, the structure members of the new qdisc are 0. So there's no
need to explicitly assign a value of 0.
Signed-off-by: Zhengchao Shao <shaozhengchao@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Johannes berg says:
====================
Various updates:
* rtw88: operation, locking, warning, and code style fixes
* rtw89: small updates
* cfg80211/mac80211: more EHT/MLO (802.11be, WiFi 7) work
* brcmfmac: a couple of fixes
* misc cleanups etc.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Johannes Berg says:
====================
pull-request: wireless-2022-08-26
Here are a couple of fixes for the current cycle,
see the tag description below.
Just a couple of fixes:
* two potential leaks
* use-after-free in certain scan races
* warning in IBSS code
* error return from a debugfs file was wrong
* possible NULL-ptr-deref when station lookup fails
Please pull and let me know if there's any problem.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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The full 'unsigned int' is better than 'unsigned'.
Signed-off-by: Xin Gao <gaoxin@cdjrlc.com>
Link: https://lore.kernel.org/r/20220816181040.9044-1-gaoxin@cdjrlc.com
[fix indentation]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Follow the advice of the below link and prefer 'strscpy' in this
subsystem. Conversion is 1:1 because the return value is not used.
Generated by a coccinelle script.
Link: https://lore.kernel.org/r/CAHk-=wgfRnXz0W3D37d01q3JFkr_i_uTL=V6A6G1oUZcprmknw@mail.gmail.com/
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Driver may update sinfo directly through .sta_statistics, so this
patch makes sure that ethool gets the correct statistics.
Signed-off-by: Ryder Lee <ryder.lee@mediatek.com>
Link: https://lore.kernel.org/r/f9edff14dd7f5205acf1c21bae8e9d8f9802dd88.1661466499.git.ryder.lee@mediatek.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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If we add 6 GHz capability in MLO, we cannot use the SMPS
mode from the deflink. Pass it separately instead since on
a second link we don't even have a link data struct yet.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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When disconnecting all devices, hci_conn_failed is used to cleanup
hci_conn object when the hci_conn object cannot be aborted.
The function hci_conn_failed requires the caller holds hdev->lock.
Fixes: 9b3628d79b46f ("Bluetooth: hci_sync: Cleanup hci_conn if it cannot be aborted")
Signed-off-by: Zhengping Jiang <jiangzp@google.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
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Follow the advice of the below link and prefer 'strscpy' in this
subsystem. Conversion is 1:1 because the return value is not used.
Generated by a coccinelle script.
Link: https://lore.kernel.org/r/CAHk-=wgfRnXz0W3D37d01q3JFkr_i_uTL=V6A6G1oUZcprmknw@mail.gmail.com/
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
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To prevent multiple conn complete events, we shouldn't look up the
conn with hci_lookup_le_connect, since it requires the state to be
BT_CONNECT. By the time the duplicate event is processed, the state
might have changed, so we end up processing the new event anyway.
Change the lookup function to hci_conn_hash_lookup_ba.
Fixes: d5ebaa7c5f6f6 ("Bluetooth: hci_event: Ignore multiple conn complete events")
Signed-off-by: Archie Pusaka <apusaka@chromium.org>
Reviewed-by: Sonny Sasaka <sonnysasaka@chromium.org>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
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In order to properly handle shutdown syscall the code shall not assume
that the how argument is always SHUT_RDWR resulting in SHUTDOWN_MASK as
that would result in poll to immediately report EPOLLHUP instead of
properly waiting for disconnect_cfm (Disconnect Complete) which is
rather important for the likes of BAP as the CIG may need to be
reprogrammed.
Fixes: ccf74f2390d6 ("Bluetooth: Add BTPROTO_ISO socket type")
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
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syzbot is reporting double kfree() at remove_adv_monitor() [1], for
commit 7cf5c2978f23fdbb ("Bluetooth: hci_sync: Refactor remove Adv
Monitor") forgot to remove duplicated mgmt_pending_remove() when
merging "if (err) {" path and "if (!pending) {" path.
Link: https://syzkaller.appspot.com/bug?extid=915a8416bf15895b8e07 [1]
Reported-by: syzbot <syzbot+915a8416bf15895b8e07@syzkaller.appspotmail.com>
Fixes: 7cf5c2978f23fdbb ("Bluetooth: hci_sync: Refactor remove Adv Monitor")
Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
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Get Device Flags don't check if device does actually use an RPA in which
case it shall only set HCI_CONN_FLAG_REMOTE_WAKEUP if LL Privacy is
enabled.
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
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This attempts to fix the follow errors:
In function 'memcmp',
inlined from 'bacmp' at ./include/net/bluetooth/bluetooth.h:347:9,
inlined from 'l2cap_global_chan_by_psm' at
net/bluetooth/l2cap_core.c:2003:15:
./include/linux/fortify-string.h:44:33: error: '__builtin_memcmp'
specified bound 6 exceeds source size 0 [-Werror=stringop-overread]
44 | #define __underlying_memcmp __builtin_memcmp
| ^
./include/linux/fortify-string.h:420:16: note: in expansion of macro
'__underlying_memcmp'
420 | return __underlying_memcmp(p, q, size);
| ^~~~~~~~~~~~~~~~~~~
In function 'memcmp',
inlined from 'bacmp' at ./include/net/bluetooth/bluetooth.h:347:9,
inlined from 'l2cap_global_chan_by_psm' at
net/bluetooth/l2cap_core.c:2004:15:
./include/linux/fortify-string.h:44:33: error: '__builtin_memcmp'
specified bound 6 exceeds source size 0 [-Werror=stringop-overread]
44 | #define __underlying_memcmp __builtin_memcmp
| ^
./include/linux/fortify-string.h:420:16: note: in expansion of macro
'__underlying_memcmp'
420 | return __underlying_memcmp(p, q, size);
| ^~~~~~~~~~~~~~~~~~~
Fixes: 332f1795ca20 ("Bluetooth: L2CAP: Fix l2cap_global_chan_by_psm regression")
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
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This attempts to fix suspend performance when there is no connections by
not updating the event mask.
Fixes: ef61b6ea1544 ("Bluetooth: Always set event mask on suspend")
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
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Commit c8992cffbe74 ("Bluetooth: hci_event: Use of a function table to
handle Command Complete") was (presumably) meant to only refactor things
without any functional changes.
But it does have one undesirable side-effect, before *status would always
be set to skb->data[0] and it might be overridden by some of the opcode
specific handling. While now it always set by the opcode specific handlers.
This means that if the opcode is not known *status does not get set any
more at all!
This behavior change has broken bluetooth support for BCM4343A0 HCIs,
the hci_bcm.c code tries to configure UART attached HCIs at a higher
baudraute using vendor specific opcodes. The BCM4343A0 does not
support this and this used to simply fail:
[ 25.646442] Bluetooth: hci0: BCM: failed to write clock (-56)
[ 25.646481] Bluetooth: hci0: Failed to set baudrate
After which things would continue with the initial baudraute. But now
that hci_cmd_complete_evt() no longer sets status for unknown opcodes
*status is left at 0. This causes the hci_bcm.c code to think the baudraute
has been changed on the HCI side and to also adjust the UART baudrate,
after which communication with the HCI is broken, leading to:
[ 28.579042] Bluetooth: hci0: command 0x0c03 tx timeout
[ 36.961601] Bluetooth: hci0: BCM: Reset failed (-110)
And non working bluetooth. Fix this by restoring the previous
default "*status = skb->data[0]" handling for unknown opcodes.
Fixes: c8992cffbe74 ("Bluetooth: hci_event: Use of a function table to handle Command Complete")
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
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When disconnecting all devices, hci_conn_failed is used to cleanup
hci_conn object when the hci_conn object cannot be aborted.
The function hci_conn_failed requires the caller holds hdev->lock.
Fixes: 9b3628d79b46f ("Bluetooth: hci_sync: Cleanup hci_conn if it cannot be aborted")
Signed-off-by: Zhengping Jiang <jiangzp@google.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
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Follow the advice of the below link and prefer 'strscpy' in this
subsystem. Conversion is 1:1 because the return value is not used.
Generated by a coccinelle script.
Link: https://lore.kernel.org/r/CAHk-=wgfRnXz0W3D37d01q3JFkr_i_uTL=V6A6G1oUZcprmknw@mail.gmail.com/
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
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Sabrina Dubroca
Xin Gao
Vlad Buslov
Jakub Kicinski
Wang Hai
Ilpo Järvinen
Jiri Pirko
Zhengchao Shao
Pavel Begunkov
Sebastian Andrzej Siewior
Sun Ke
Miquel Raynal
Eyal Birger
Dan Carpenter
Andrey Zhadchenko
David S. Miller
Wolfram Sang
Ryder Lee
Johannes Berg
Zhengping Jiang
Archie Pusaka
Luiz Augusto von Dentz
Tetsuo Handa
Hans de Goede