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This reverts commit 410bd754cd73c4a2ac3856d9a03d7b08f9c906bf.
The reverted commit had added a retry mechanism to the command entry
index allocation. The previous patch ensures that there is a free
command entry index once the command work handler holds the command
semaphore. Thus the retry mechanism is not needed.
Fixes: 410bd754cd73 ("net/mlx5: Add retry mechanism to the command entry index allocation")
Signed-off-by: Moshe Shemesh <moshe@nvidia.com>
Reviewed-by: Eran Ben Elisha <eranbe@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
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Avoid a race where command work handler may fail to allocate command
entry index, by holding the command semaphore down till command entry
index is being freed.
Fixes: 410bd754cd73 ("net/mlx5: Add retry mechanism to the command entry index allocation")
Signed-off-by: Moshe Shemesh <moshe@nvidia.com>
Reviewed-by: Eran Ben Elisha <eranbe@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
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Currently during NIC profile disablement all VXLAN udp ports offloaded to the
HW are flushed and during its enablement the driver send notification to
the stack to inform the core that the entire UDP tunnel port state has been
lost, uplink representor doesn't have the same behavior which can cause
VXLAN udp ports offload to be in bad state while moving between modes while
VXLAN interface exist.
Fixed by aligning the uplink representor profile behavior to the NIC behavior.
Fixes: 84db66124714 ("net/mlx5e: Move set vxlan nic info to profile init")
Signed-off-by: Maor Dickman <maord@nvidia.com>
Reviewed-by: Roi Dayan <roid@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
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Even when SF devices are supported, the SF device table allocation
can still fail.
In such case mlx5_sf_dev_supported still reports true, but SF device
table is invalid. This can result in NULL table access.
Hence, fix it by adding NULL table check.
Fixes: 1958fc2f0712 ("net/mlx5: SF, Add auxiliary device driver")
Signed-off-by: Shay Drory <shayd@nvidia.com>
Reviewed-by: Parav Pandit <parav@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
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Tunnel device follows RFC 6040, and during decapsulation inner
ip_ecn might change depending on inner and outer ip_ecn as follows:
+---------+----------------------------------------+
|Arriving | Arriving Outer Header |
| Inner +---------+---------+---------+----------+
| Header | Not-ECT | ECT(0) | ECT(1) | CE |
+---------+---------+---------+---------+----------+
| Not-ECT | Not-ECT | Not-ECT | Not-ECT | <drop> |
| ECT(0) | ECT(0) | ECT(0) | ECT(1) | CE* |
| ECT(1) | ECT(1) | ECT(1) | ECT(1)* | CE* |
| CE | CE | CE | CE | CE |
+---------+---------+---------+---------+----------+
Cells marked above are changed from original inner packet ip_ecn value.
Tc then matches on the modified inner ip_ecn, but hw offload which
matches the inner ip_ecn value before decap, will fail.
Fix that by mapping all the cases of outer and inner ip_ecn matching,
and only supporting cases where we know inner wouldn't be changed by
decap, or in the outer ip_ecn=CE case, inner ip_ecn didn't matter.
Fixes: bcef735c59f2 ("net/mlx5e: Offload TC matching on tos/ttl for ip tunnels")
Signed-off-by: Paul Blakey <paulb@nvidia.com>
Reviewed-by: Oz Shlomo <ozsh@nvidia.com>
Reviewed-by: Eli Cohen <elic@nvidia.com>
Reviewed-by: Roi Dayan <roid@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
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This reverts commit 54e1217b90486c94b26f24dcee1ee5ef5372f832.
Although the NIC doesn't support offload of outer header CSUM, using
gso_partial_features allows offloading the tunnel's segmentation. The
driver relies on the stack CSUM calculation of the outer header. For
this, NETIF_F_GSO_GRE_CSUM must be a member of the device's features.
Fixes: 54e1217b9048 ("net/mlx5e: Block offload of outer header csum for GRE tunnel")
Signed-off-by: Aya Levin <ayal@nvidia.com>
Reviewed-by: Gal Pressman <gal@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
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This reverts commit 6d6727dddc7f93fcc155cb8d0c49c29ae0e71122.
Although the NIC doesn't support offload of outer header CSUM, using
gso_partial_features allows offloading the tunnel's segmentation. The
driver relies on the stack CSUM calculation of the outer header. For
this, NETIF_F_GSO_UDP_TUNNEL_CSUM must be a member of the device's
features.
Fixes: 6d6727dddc7f ("net/mlx5e: Block offload of outer header csum for UDP tunnels")
Signed-off-by: Aya Levin <ayal@nvidia.com>
Reviewed-by: Gal Pressman <gal@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
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Routes with nexthop objects is currently not supported by multipath offload
and any attempts to use it is blocked, however this also block adding SW
routes with nexthop.
Resolve this by returning NOTIFY_DONE instead of an error which will allow such
a route to be created in SW but not offloaded.
This fix also solve an issue which block adding such routes on different devices
due to missing check if the route FIB device is one of multipath devices.
Fixes: 6a87afc072c3 ("mlx5: Fail attempts to use routes with nexthop objects")
Signed-off-by: Maor Dickman <maord@nvidia.com>
Reviewed-by: Roi Dayan <roid@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
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are used
Creating routes with nexthop objects while in switchdev mode leads to access to
un-allocated memory and trigger bellow call trace due to hitting WARN_ON.
This is caused due to illegal usage of fib_info_nh in TC tunnel FIB event handling to
resolve the FIB device while fib_info built in with nexthop.
Fixed by ignoring attempts to use nexthop objects with routes until support can be
properly added.
WARNING: CPU: 1 PID: 1724 at include/net/nexthop.h:468 mlx5e_tc_tun_fib_event+0x448/0x570 [mlx5_core]
CPU: 1 PID: 1724 Comm: ip Not tainted 5.15.0_for_upstream_min_debug_2021_11_09_02_04 #1
RIP: 0010:mlx5e_tc_tun_fib_event+0x448/0x570 [mlx5_core]
RSP: 0018:ffff8881349f7910 EFLAGS: 00010202
RAX: ffff8881492f1980 RBX: ffff8881349f79e8 RCX: 0000000000000000
RDX: ffff8881349f79e8 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffff8881349f7950 R08: 00000000000000fe R09: 0000000000000001
R10: 0000000000000000 R11: 0000000000000000 R12: ffff88811e9d0000
R13: ffff88810eb62000 R14: ffff888106710268 R15: 0000000000000018
FS: 00007f1d5ca6e800(0000) GS:ffff88852c880000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffedba44ff8 CR3: 0000000129808004 CR4: 0000000000370ea0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<TASK>
atomic_notifier_call_chain+0x42/0x60
call_fib_notifiers+0x21/0x40
fib_table_insert+0x479/0x6d0
? try_charge_memcg+0x480/0x6d0
inet_rtm_newroute+0x65/0xb0
rtnetlink_rcv_msg+0x2af/0x360
? page_add_file_rmap+0x13/0x130
? do_set_pte+0xcd/0x120
? rtnl_calcit.isra.0+0x120/0x120
netlink_rcv_skb+0x4e/0xf0
netlink_unicast+0x1ee/0x2b0
netlink_sendmsg+0x22e/0x460
sock_sendmsg+0x33/0x40
____sys_sendmsg+0x1d1/0x1f0
___sys_sendmsg+0xab/0xf0
? __mod_memcg_lruvec_state+0x40/0x60
? __mod_lruvec_page_state+0x95/0xd0
? page_add_new_anon_rmap+0x4e/0xf0
? __handle_mm_fault+0xec6/0x1470
__sys_sendmsg+0x51/0x90
? internal_get_user_pages_fast+0x480/0xa10
do_syscall_64+0x3d/0x90
entry_SYSCALL_64_after_hwframe+0x44/0xae
Fixes: 8914add2c9e5 ("net/mlx5e: Handle FIB events to update tunnel endpoint device")
Signed-off-by: Maor Dickman <maord@nvidia.com>
Reviewed-by: Vlad Buslov <vladbu@nvidia.com>
Reviewed-by: Roi Dayan <roid@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
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Deleting a Tc rule with multiple outputs, one of which is internal port,
like this one:
tc filter del dev enp8s0f0_0 ingress protocol ip pref 5 flower \
dst_mac 0c:42:a1:d1:d0:88 \
src_mac e4:ea:09:08:00:02 \
action tunnel_key set \
src_ip 0.0.0.0 \
dst_ip 7.7.7.8 \
id 8 \
dst_port 4789 \
action mirred egress mirror dev vxlan_sys_4789 pipe \
action mirred egress redirect dev enp8s0f0_1
Triggers a call trace:
BUG: kernel NULL pointer dereference, address: 0000000000000230
RIP: 0010:del_sw_hw_rule+0x2b/0x1f0 [mlx5_core]
Call Trace:
tree_remove_node+0x16/0x30 [mlx5_core]
mlx5_del_flow_rules+0x51/0x160 [mlx5_core]
__mlx5_eswitch_del_rule+0x4b/0x170 [mlx5_core]
mlx5e_tc_del_fdb_flow+0x295/0x550 [mlx5_core]
mlx5e_flow_put+0x1f/0x70 [mlx5_core]
mlx5e_delete_flower+0x286/0x390 [mlx5_core]
tc_setup_cb_destroy+0xac/0x170
fl_hw_destroy_filter+0x94/0xc0 [cls_flower]
__fl_delete+0x15e/0x170 [cls_flower]
fl_delete+0x36/0x80 [cls_flower]
tc_del_tfilter+0x3a6/0x6e0
rtnetlink_rcv_msg+0xe5/0x360
? rtnl_calcit.isra.0+0x110/0x110
netlink_rcv_skb+0x46/0x110
netlink_unicast+0x16b/0x200
netlink_sendmsg+0x202/0x3d0
sock_sendmsg+0x33/0x40
____sys_sendmsg+0x1c3/0x200
? copy_msghdr_from_user+0xd6/0x150
___sys_sendmsg+0x88/0xd0
? ___sys_recvmsg+0x88/0xc0
? do_futex+0x10c/0x460
__sys_sendmsg+0x59/0xa0
do_syscall_64+0x48/0x140
entry_SYSCALL_64_after_hwframe+0x44/0xa9
Fix by disabling offloading for flows matching
esw_is_chain_src_port_rewrite() which have more than one output.
Fixes: 10742efc20a4 ("net/mlx5e: VF tunnel TX traffic offloading")
Signed-off-by: Dima Chumak <dchumak@nvidia.com>
Reviewed-by: Roi Dayan <roid@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
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Driver initiates DMA sync, hence it may skip CPU sync. Add
DMA_ATTR_SKIP_CPU_SYNC as input attribute both to dma_map_page and
dma_unmap_page to avoid redundant sync with the CPU.
When forcing the device to work with SWIOTLB, the extra sync might cause
data corruption. The driver unmaps the whole page while the hardware
used just a part of the bounce buffer. So syncing overrides the entire
page with bounce buffer that only partially contains real data.
Fixes: bc77b240b3c5 ("net/mlx5e: Add fragmented memory support for RX multi packet WQE")
Fixes: db05815b36cb ("net/mlx5e: Add XSK zero-copy support")
Signed-off-by: Aya Levin <ayal@nvidia.com>
Reviewed-by: Gal Pressman <gal@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
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SMC connections might fail to be registered in a link group due to
unable to find a usable link during its creation. As a result,
smc_conn_create() will return a failure and most resources related
to the connection won't be applied or initialized, such as
conn->abort_work or conn->lnk.
If smc_conn_free() is invoked later, it will try to access the
uninitialized resources related to the connection, thus causing
a warning or crash.
This patch tries to fix this by resetting conn->lgr to NULL if an
abnormal exit occurs in smc_lgr_register_conn(), thus avoiding the
access to uninitialized resources in smc_conn_free().
Meanwhile, the new created link group should be terminated if smc
connections can't be registered in it. So smc_lgr_cleanup_early() is
modified to take care of link group only and invoked to terminate
unusable link group by smc_conn_create(). The call to smc_conn_free()
is moved out from smc_lgr_cleanup_early() to smc_conn_abort().
Fixes: 56bc3b2094b4 ("net/smc: assign link to a new connection")
Suggested-by: Karsten Graul <kgraul@linux.ibm.com>
Signed-off-by: Wen Gu <guwen@linux.alibaba.com>
Acked-by: Karsten Graul <kgraul@linux.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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As the possible failure of the allocation, the devm_ioremap() may return
NULL pointer.
Take tgec_initialization() as an example.
If allocation fails, the params->base_addr will be NULL pointer and will
be assigned to tgec->regs in tgec_config().
Then it will cause the dereference of NULL pointer in set_mac_address(),
which is called by tgec_init().
Therefore, it should be better to add the sanity check after the calling
of the devm_ioremap().
Fixes: 3933961682a3 ("fsl/fman: Add FMan MAC driver")
Signed-off-by: Jiasheng Jiang <jiasheng@iscas.ac.cn>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This code is holding the &ofdpa->flow_tbl_lock spinlock so it is not
allowed to sleep. That means we have to pass the OFDPA_OP_FLAG_NOWAIT
flag to ofdpa_flow_tbl_del().
Fixes: 936bd486564a ("rocker: use FIB notifications instead of switchdev calls")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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It seems pretty clear ppp layer assumed user space
would always be kind to provide enough data
in their write() to a ppp device.
This patch makes sure user provides at least
2 bytes.
It adds PPP_PROTO_LEN macro that could replace
in net-next many occurrences of hard-coded 2 value.
I replaced only one occurrence to ease backports
to stable kernels.
The bug manifests in the following report:
BUG: KMSAN: uninit-value in ppp_send_frame+0x28d/0x27c0 drivers/net/ppp/ppp_generic.c:1740
ppp_send_frame+0x28d/0x27c0 drivers/net/ppp/ppp_generic.c:1740
__ppp_xmit_process+0x23e/0x4b0 drivers/net/ppp/ppp_generic.c:1640
ppp_xmit_process+0x1fe/0x480 drivers/net/ppp/ppp_generic.c:1661
ppp_write+0x5cb/0x5e0 drivers/net/ppp/ppp_generic.c:513
do_iter_write+0xb0c/0x1500 fs/read_write.c:853
vfs_writev fs/read_write.c:924 [inline]
do_writev+0x645/0xe00 fs/read_write.c:967
__do_sys_writev fs/read_write.c:1040 [inline]
__se_sys_writev fs/read_write.c:1037 [inline]
__x64_sys_writev+0xe5/0x120 fs/read_write.c:1037
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x54/0xd0 arch/x86/entry/common.c:82
entry_SYSCALL_64_after_hwframe+0x44/0xae
Uninit was created at:
slab_post_alloc_hook mm/slab.h:524 [inline]
slab_alloc_node mm/slub.c:3251 [inline]
__kmalloc_node_track_caller+0xe0c/0x1510 mm/slub.c:4974
kmalloc_reserve net/core/skbuff.c:354 [inline]
__alloc_skb+0x545/0xf90 net/core/skbuff.c:426
alloc_skb include/linux/skbuff.h:1126 [inline]
ppp_write+0x11d/0x5e0 drivers/net/ppp/ppp_generic.c:501
do_iter_write+0xb0c/0x1500 fs/read_write.c:853
vfs_writev fs/read_write.c:924 [inline]
do_writev+0x645/0xe00 fs/read_write.c:967
__do_sys_writev fs/read_write.c:1040 [inline]
__se_sys_writev fs/read_write.c:1037 [inline]
__x64_sys_writev+0xe5/0x120 fs/read_write.c:1037
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x54/0xd0 arch/x86/entry/common.c:82
entry_SYSCALL_64_after_hwframe+0x44/0xae
Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: linux-ppp@vger.kernel.org
Reported-by: syzbot <syzkaller@googlegroups.com>
Acked-by: Guillaume Nault <gnault@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec
Steffen Klassert says:
====================
pull request (net): ipsec 2022-01-06
1) Fix xfrm policy lookups for ipv6 gre packets by initializing
fl6_gre_key properly. From Ghalem Boudour.
2) Fix the dflt policy check on forwarding when there is no
policy configured. The check was done for the wrong direction.
From Nicolas Dichtel.
3) Use the correct 'struct xfrm_user_offload' when calculating
netlink message lenghts in xfrm_sa_len(). From Eric Dumazet.
4) Tread inserting xfrm interface id 0 as an error.
From Antony Antony.
5) Fail if xfrm state or policy is inserted with XFRMA_IF_ID 0,
xfrm interfaces with id 0 are not allowed.
From Antony Antony.
6) Fix inner_ipproto setting in the sec_path for tunnel mode.
From Raed Salem.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can
Marc Kleine-Budde says:
====================
pull-request: can 2022-01-05
It consists of 2 patches, both by me. The first one fixes the use of
an uninitialized variable in the gs_usb driver the other one a
skb_over_panic in the ISOTP stack in case of reception of too large
ISOTP messages.
* tag 'linux-can-fixes-for-5.16-20220105' of git://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can:
can: isotp: convert struct tpcon::{idx,len} to unsigned int
can: gs_usb: fix use of uninitialized variable, detach device on reception of invalid USB data
====================
Link: https://lore.kernel.org/r/20220105205443.1274709-1-mkl@pengutronix.de
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Jakub Kicinski"
"Networking fixes, including fixes from bpf, and WiFi. One last pull
request, turns out some of the recent fixes did more harm than good.
Current release - regressions:
- Revert "xsk: Do not sleep in poll() when need_wakeup set", made the
problem worse
- Revert "net: phy: fixed_phy: Fix NULL vs IS_ERR() checking in
__fixed_phy_register", broke EPROBE_DEFER handling
- Revert "net: usb: r8152: Add MAC pass-through support for more
Lenovo Docks", broke setups without a Lenovo dock
Current release - new code bugs:
- selftests: set amt.sh executable
Previous releases - regressions:
- batman-adv: mcast: don't send link-local multicast to mcast routers
Previous releases - always broken:
- ipv4/ipv6: check attribute length for RTA_FLOW / RTA_GATEWAY
- sctp: hold endpoint before calling cb in
sctp_transport_lookup_process
- mac80211: mesh: embed mesh_paths and mpp_paths into
ieee80211_if_mesh to avoid complicated handling of sub-object
allocation failures
- seg6: fix traceroute in the presence of SRv6
- tipc: fix a kernel-infoleak in __tipc_sendmsg()"
* tag 'net-5.16-final' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (36 commits)
selftests: set amt.sh executable
Revert "net: usb: r8152: Add MAC passthrough support for more Lenovo Docks"
sfc: The RX page_ring is optional
iavf: Fix limit of total number of queues to active queues of VF
i40e: Fix incorrect netdev's real number of RX/TX queues
i40e: Fix for displaying message regarding NVM version
i40e: fix use-after-free in i40e_sync_filters_subtask()
i40e: Fix to not show opcode msg on unsuccessful VF MAC change
ieee802154: atusb: fix uninit value in atusb_set_extended_addr
mac80211: mesh: embedd mesh_paths and mpp_paths into ieee80211_if_mesh
mac80211: initialize variable have_higher_than_11mbit
sch_qfq: prevent shift-out-of-bounds in qfq_init_qdisc
netrom: fix copying in user data in nr_setsockopt
udp6: Use Segment Routing Header for dest address if present
icmp: ICMPV6: Examine invoking packet for Segment Route Headers.
seg6: export get_srh() for ICMP handling
Revert "net: phy: fixed_phy: Fix NULL vs IS_ERR() checking in __fixed_phy_register"
ipv6: Do cleanup if attribute validation fails in multipath route
ipv6: Continue processing multipath route even if gateway attribute is invalid
net/fsl: Remove leftover definition in xgmac_mdio
...
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In isotp_rcv_ff() 32 bit of data received over the network is assigned
to struct tpcon::len. Later in that function the length is checked for
the maximal supported length against MAX_MSG_LENGTH.
As struct tpcon::len is an "int" this check does not work, if the
provided length overflows the "int".
Later on struct tpcon::idx is compared against struct tpcon::len.
To fix this problem this patch converts both struct tpcon::{idx,len}
to unsigned int.
Fixes: e057dd3fc20f ("can: add ISO 15765-2:2016 transport protocol")
Link: https://lore.kernel.org/all/20220105132429.1170627-1-mkl@pengutronix.de
Cc: stable@vger.kernel.org
Acked-by: Oliver Hartkopp <socketcan@hartkopp.net>
Reported-by: syzbot+4c63f36709a642f801c5@syzkaller.appspotmail.com
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
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of invalid USB data
The received data contains the channel the received data is associated
with. If the channel number is bigger than the actual number of
channels assume broken or malicious USB device and shut it down.
This fixes the error found by clang:
| drivers/net/can/usb/gs_usb.c:386:6: error: variable 'dev' is used
| uninitialized whenever 'if' condition is true
| if (hf->channel >= GS_MAX_INTF)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~
| drivers/net/can/usb/gs_usb.c:474:10: note: uninitialized use occurs here
| hf, dev->gs_hf_size, gs_usb_receive_bulk_callback,
| ^~~
Link: https://lore.kernel.org/all/20211210091158.408326-1-mkl@pengutronix.de
Fixes: d08e973a77d1 ("can: gs_usb: Added support for the GS_USB CAN devices")
Cc: stable@vger.kernel.org
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
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amt.sh test script will not work because it doesn't have execution
permission. So, it adds execution permission.
Reported-by: Hangbin Liu <liuhangbin@gmail.com>
Fixes: c08e8baea78e ("selftests: add amt interface selftest script")
Signed-off-by: Taehee Yoo <ap420073@gmail.com>
Link: https://lore.kernel.org/r/20220105144436.13415-1-ap420073@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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This reverts commit f77b83b5bbab53d2be339184838b19ed2c62c0a5.
This change breaks multiple usb to ethernet dongles attached on Lenovo
USB hub.
Fixes: f77b83b5bbab ("net: usb: r8152: Add MAC passthrough support for more Lenovo Docks")
Signed-off-by: Aaron Ma <aaron.ma@canonical.com>
Link: https://lore.kernel.org/r/20220105155102.8557-1-aaron.ma@canonical.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux
Pull gpio fixes from Bartosz Golaszewski:
"Here are two last fixes for this release cycle from the GPIO
subsystem:
- fix irq offset calculation in gpio-aspeed-sgpio
- update the MAINTAINERS entry for gpio-brcmstb"
* tag 'gpio-fixes-for-v5.16' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux:
MAINTAINERS: update gpio-brcmstb maintainers
gpio: gpio-aspeed-sgpio: Fix wrong hwirq base in irq handler
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git://git.kernel.org/pub/scm/linux/kernel/git/sschmidt/wpan
Stefan Schmidt says:
====================
pull-request: ieee802154 for net 2022-01-05
Below I have a last minute fix for the atusb driver.
Pavel fixes a KASAN uninit report for the driver. This version is the
minimal impact fix to ease backporting. A bigger rework of the driver to
avoid potential similar problems is ongoing and will come through net-next
when ready.
* tag 'ieee802154-for-net-2022-01-05' of git://git.kernel.org/pub/scm/linux/kernel/git/sschmidt/wpan:
ieee802154: atusb: fix uninit value in atusb_set_extended_addr
====================
Link: https://lore.kernel.org/r/20220105153914.512305-1-stefan@datenfreihafen.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/tnguy/net-queue
Tony Nguyen says:
====================
Intel Wired LAN Driver Updates 2022-01-04
This series contains updates to i40e and iavf drivers.
Mateusz adjusts displaying of failed VF MAC message when the failure is
expected as well as modifying an NVM info message to not confuse the user
for i40e.
Di Zhu fixes a use-after-free issue MAC filters for i40e.
Jedrzej fixes an issue with misreporting of Rx and Tx queues during
reinitialization for i40e.
Karen correct checking of channel queue configuration to occur against
active queues for iavf.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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The inner_ipproto saves the inner IP protocol of the plain
text packet. This allows vendor's IPsec feature making offload
decision at skb's features_check and configuring hardware at
ndo_start_xmit, current code implenetation did not handle the
case where IPsec is used in tunnel mode.
Fix by handling the case when IPsec is used in tunnel mode by
reading the protocol of the plain text packet IP protocol.
Fixes: fa4535238fb5 ("net/xfrm: Add inner_ipproto into sec_path")
Signed-off-by: Raed Salem <raeds@nvidia.com>
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
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The RX page_ring is an optional feature that improves
performance. When allocation fails the driver can still
function, but possibly with a lower bandwidth.
Guard against dereferencing a NULL page_ring.
Fixes: 2768935a4660 ("sfc: reuse pages to avoid DMA mapping/unmapping costs")
Signed-off-by: Martin Habets <habetsm.xilinx@gmail.com>
Reported-by: Jiasheng Jiang <jiasheng@iscas.ac.cn>
Link: https://lore.kernel.org/r/164111288276.5798.10330502993729113868.stgit@palantir17.mph.net
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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In the absence of this validation, if the user requests to
configure queues more than the enabled queues, it results in
sending the requested number of queues to the kernel stack
(due to the asynchronous nature of VF response), in which
case the stack might pick a queue to transmit that is not
enabled and result in Tx hang. Fix this bug by
limiting the total number of queues allocated for VF to
active queues of VF.
Fixes: d5b33d024496 ("i40evf: add ndo_setup_tc callback to i40evf")
Signed-off-by: Ashwin Vijayavel <ashwin.vijayavel@intel.com>
Signed-off-by: Karen Sornek <karen.sornek@intel.com>
Tested-by: Konrad Jankowski <konrad0.jankowski@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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There was a wrong queues representation in sysfs during
driver's reinitialization in case of online cpus number is
less than combined queues. It was caused by stopped
NetworkManager, which is responsible for calling vsi_open
function during driver's initialization.
In specific situation (ex. 12 cpus online) there were 16 queues
in /sys/class/net/<iface>/queues. In case of modifying queues with
value higher, than number of online cpus, then it caused write
errors and other errors.
Add updating of sysfs's queues representation during driver
initialization.
Fixes: 41c445ff0f48 ("i40e: main driver core")
Signed-off-by: Lukasz Cieplicki <lukaszx.cieplicki@intel.com>
Signed-off-by: Jedrzej Jagielski <jedrzej.jagielski@intel.com>
Tested-by: Gurucharan G <gurucharanx.g@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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When loading the i40e driver, it prints a message like: 'The driver for the
device detected a newer version of the NVM image v1.x than expected v1.y.
Please install the most recent version of the network driver.' This is
misleading as the driver is working as expected.
Fix that by removing the second part of message and changing it from
dev_info to dev_dbg.
Fixes: 4fb29bddb57f ("i40e: The driver now prints the API version in error message")
Signed-off-by: Mateusz Palczewski <mateusz.palczewski@intel.com>
Tested-by: Gurucharan G <gurucharanx.g@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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Using ifconfig command to delete the ipv6 address will cause
the i40e network card driver to delete its internal mac_filter and
i40e_service_task kernel thread will concurrently access the mac_filter.
These two processes are not protected by lock
so causing the following use-after-free problems.
print_address_description+0x70/0x360
? vprintk_func+0x5e/0xf0
kasan_report+0x1b2/0x330
i40e_sync_vsi_filters+0x4f0/0x1850 [i40e]
i40e_sync_filters_subtask+0xe3/0x130 [i40e]
i40e_service_task+0x195/0x24c0 [i40e]
process_one_work+0x3f5/0x7d0
worker_thread+0x61/0x6c0
? process_one_work+0x7d0/0x7d0
kthread+0x1c3/0x1f0
? kthread_park+0xc0/0xc0
ret_from_fork+0x35/0x40
Allocated by task 2279810:
kasan_kmalloc+0xa0/0xd0
kmem_cache_alloc_trace+0xf3/0x1e0
i40e_add_filter+0x127/0x2b0 [i40e]
i40e_add_mac_filter+0x156/0x190 [i40e]
i40e_addr_sync+0x2d/0x40 [i40e]
__hw_addr_sync_dev+0x154/0x210
i40e_set_rx_mode+0x6d/0xf0 [i40e]
__dev_set_rx_mode+0xfb/0x1f0
__dev_mc_add+0x6c/0x90
igmp6_group_added+0x214/0x230
__ipv6_dev_mc_inc+0x338/0x4f0
addrconf_join_solict.part.7+0xa2/0xd0
addrconf_dad_work+0x500/0x980
process_one_work+0x3f5/0x7d0
worker_thread+0x61/0x6c0
kthread+0x1c3/0x1f0
ret_from_fork+0x35/0x40
Freed by task 2547073:
__kasan_slab_free+0x130/0x180
kfree+0x90/0x1b0
__i40e_del_filter+0xa3/0xf0 [i40e]
i40e_del_mac_filter+0xf3/0x130 [i40e]
i40e_addr_unsync+0x85/0xa0 [i40e]
__hw_addr_sync_dev+0x9d/0x210
i40e_set_rx_mode+0x6d/0xf0 [i40e]
__dev_set_rx_mode+0xfb/0x1f0
__dev_mc_del+0x69/0x80
igmp6_group_dropped+0x279/0x510
__ipv6_dev_mc_dec+0x174/0x220
addrconf_leave_solict.part.8+0xa2/0xd0
__ipv6_ifa_notify+0x4cd/0x570
ipv6_ifa_notify+0x58/0x80
ipv6_del_addr+0x259/0x4a0
inet6_addr_del+0x188/0x260
addrconf_del_ifaddr+0xcc/0x130
inet6_ioctl+0x152/0x190
sock_do_ioctl+0xd8/0x2b0
sock_ioctl+0x2e5/0x4c0
do_vfs_ioctl+0x14e/0xa80
ksys_ioctl+0x7c/0xa0
__x64_sys_ioctl+0x42/0x50
do_syscall_64+0x98/0x2c0
entry_SYSCALL_64_after_hwframe+0x65/0xca
Fixes: 41c445ff0f48 ("i40e: main driver core")
Signed-off-by: Di Zhu <zhudi2@huawei.com>
Signed-off-by: Rui Zhang <zhangrui182@huawei.com>
Tested-by: Gurucharan G <gurucharanx.g@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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Hide i40e opcode information sent during response to VF in case when
untrusted VF tried to change MAC on the VF interface.
This is implemented by adding an additional parameter 'hide' to the
response sent to VF function that hides the display of error
information, but forwards the error code to VF.
Previously it was not possible to send response with some error code
to VF without displaying opcode information.
Fixes: 5c3c48ac6bf5 ("i40e: implement virtual device interface")
Signed-off-by: Grzegorz Szczurek <grzegorzx.szczurek@intel.com>
Signed-off-by: Mateusz Palczewski <mateusz.palczewski@intel.com>
Reviewed-by: Paul M Stillwell Jr <paul.m.stillwell.jr@intel.com>
Reviewed-by: Aleksandr Loktionov <aleksandr.loktionov@intel.com>
Tested-by: Tony Brelinski <tony.brelinski@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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Alexander reported a use of uninitialized value in
atusb_set_extended_addr(), that is caused by reading 0 bytes via
usb_control_msg().
Fix it by validating if the number of bytes transferred is actually
correct, since usb_control_msg() may read less bytes, than was requested
by caller.
Fail log:
BUG: KASAN: uninit-cmp in ieee802154_is_valid_extended_unicast_addr include/linux/ieee802154.h:310 [inline]
BUG: KASAN: uninit-cmp in atusb_set_extended_addr drivers/net/ieee802154/atusb.c:1000 [inline]
BUG: KASAN: uninit-cmp in atusb_probe.cold+0x29f/0x14db drivers/net/ieee802154/atusb.c:1056
Uninit value used in comparison: 311daa649a2003bd stack handle: 000000009a2003bd
ieee802154_is_valid_extended_unicast_addr include/linux/ieee802154.h:310 [inline]
atusb_set_extended_addr drivers/net/ieee802154/atusb.c:1000 [inline]
atusb_probe.cold+0x29f/0x14db drivers/net/ieee802154/atusb.c:1056
usb_probe_interface+0x314/0x7f0 drivers/usb/core/driver.c:396
Fixes: 7490b008d123 ("ieee802154: add support for atusb transceiver")
Reported-by: Alexander Potapenko <glider@google.com>
Acked-by: Alexander Aring <aahringo@redhat.com>
Signed-off-by: Pavel Skripkin <paskripkin@gmail.com>
Link: https://lore.kernel.org/r/20220104182806.7188-1-paskripkin@gmail.com
Signed-off-by: Stefan Schmidt <stefan@datenfreihafen.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211
Johannes Berg says:
====================
Two more changes:
- mac80211: initialize a variable to avoid using it uninitialized
- mac80211 mesh: put some data structures into the container to
fix bugs with and not have to deal with allocation failures
* tag 'mac80211-for-net-2022-01-04' of git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211:
mac80211: mesh: embedd mesh_paths and mpp_paths into ieee80211_if_mesh
mac80211: initialize variable have_higher_than_11mbit
====================
Link: https://lore.kernel.org/r/20220104144449.64937-1-johannes@sipsolutions.net
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Syzbot hit NULL deref in rhashtable_free_and_destroy(). The problem was
in mesh_paths and mpp_paths being NULL.
mesh_pathtbl_init() could fail in case of memory allocation failure, but
nobody cared, since ieee80211_mesh_init_sdata() returns void. It led to
leaving 2 pointers as NULL. Syzbot has found null deref on exit path,
but it could happen anywhere else, because code assumes these pointers are
valid.
Since all ieee80211_*_setup_sdata functions are void and do not fail,
let's embedd mesh_paths and mpp_paths into parent struct to avoid
adding error handling on higher levels and follow the pattern of others
setup_sdata functions
Fixes: 60854fd94573 ("mac80211: mesh: convert path table to rhashtable")
Reported-and-tested-by: syzbot+860268315ba86ea6b96b@syzkaller.appspotmail.com
Signed-off-by: Pavel Skripkin <paskripkin@gmail.com>
Link: https://lore.kernel.org/r/20211230195547.23977-1-paskripkin@gmail.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Clang static analysis reports this warnings
mlme.c:5332:7: warning: Branch condition evaluates to a
garbage value
have_higher_than_11mbit)
^~~~~~~~~~~~~~~~~~~~~~~
have_higher_than_11mbit is only set to true some of the time in
ieee80211_get_rates() but is checked all of the time. So
have_higher_than_11mbit needs to be initialized to false.
Fixes: 5d6a1b069b7f ("mac80211: set basic rates earlier")
Signed-off-by: Tom Rix <trix@redhat.com>
Reviewed-by: Nick Desaulniers <ndesaulniers@google.com>
Link: https://lore.kernel.org/r/20211223162848.3243702-1-trix@redhat.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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tx_queue_len can be set to ~0U, we need to be more
careful about overflows.
__fls(0) is undefined, as this report shows:
UBSAN: shift-out-of-bounds in net/sched/sch_qfq.c:1430:24
shift exponent 51770272 is too large for 32-bit type 'int'
CPU: 0 PID: 25574 Comm: syz-executor.0 Not tainted 5.16.0-rc7-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
<TASK>
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x201/0x2d8 lib/dump_stack.c:106
ubsan_epilogue lib/ubsan.c:151 [inline]
__ubsan_handle_shift_out_of_bounds+0x494/0x530 lib/ubsan.c:330
qfq_init_qdisc+0x43f/0x450 net/sched/sch_qfq.c:1430
qdisc_create+0x895/0x1430 net/sched/sch_api.c:1253
tc_modify_qdisc+0x9d9/0x1e20 net/sched/sch_api.c:1660
rtnetlink_rcv_msg+0x934/0xe60 net/core/rtnetlink.c:5571
netlink_rcv_skb+0x200/0x470 net/netlink/af_netlink.c:2496
netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline]
netlink_unicast+0x814/0x9f0 net/netlink/af_netlink.c:1345
netlink_sendmsg+0xaea/0xe60 net/netlink/af_netlink.c:1921
sock_sendmsg_nosec net/socket.c:704 [inline]
sock_sendmsg net/socket.c:724 [inline]
____sys_sendmsg+0x5b9/0x910 net/socket.c:2409
___sys_sendmsg net/socket.c:2463 [inline]
__sys_sendmsg+0x280/0x370 net/socket.c:2492
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x44/0xd0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x44/0xae
Fixes: 462dbc9101ac ("pkt_sched: QFQ Plus: fair-queueing service at DRR cost")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reported-by: syzbot <syzkaller@googlegroups.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
|
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This code used to copy in an unsigned long worth of data before
the sockptr_t conversion, so restore that.
Fixes: a7b75c5a8c41 ("net: pass a sockptr_t into ->setsockopt")
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
|
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Andrew Lunn says:
====================
Fix traceroute in the presence of SRv6
When using SRv6 the destination IP address in the IPv6 header is not
always the true destination, it can be a router along the path that
SRv6 is using.
When ICMP reports an error, e.g, time exceeded, which is what
traceroute uses, it included the packet which invoked the error into
the ICMP message body. Upon receiving such an ICMP packet, the
invoking packet is examined and an attempt is made to find the socket
which sent the packet, so the error can be reported. Lookup is
performed using the source and destination address. If the
intermediary router IP address from the IP header is used, the lookup
fails. It is necessary to dig into the header and find the true
destination address in the Segment Router header, SRH.
v2:
Play games with the skb->network_header rather than clone the skb
v3:
Move helpers into seg6.c
v4:
Move short helper into header file.
Rework getting SRH destination address
v5:
Fix comment to describe function, not caller
Patch 1 exports a helper which can find the SRH in a packet
Patch 2 does the actual examination of the invoking packet
Patch 3 makes use of the results when trying to find the socket.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
|
|
When finding the socket to report an error on, if the invoking packet
is using Segment Routing, the IPv6 destination address is that of an
intermediate router, not the end destination. Extract the ultimate
destination address from the segment address.
This change allows traceroute to function in the presence of Segment
Routing.
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: David Ahern <dsahern@kernel.org>
Reviewed-by: Willem de Bruijn <willemb@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
|
|
RFC8754 says:
ICMP error packets generated within the SR domain are sent to source
nodes within the SR domain. The invoking packet in the ICMP error
message may contain an SRH. Since the destination address of a packet
with an SRH changes as each segment is processed, it may not be the
destination used by the socket or application that generated the
invoking packet.
For the source of an invoking packet to process the ICMP error
message, the ultimate destination address of the IPv6 header may be
required. The following logic is used to determine the destination
address for use by protocol-error handlers.
* Walk all extension headers of the invoking IPv6 packet to the
routing extension header preceding the upper-layer header.
- If routing header is type 4 Segment Routing Header (SRH)
o The SID at Segment List[0] may be used as the destination
address of the invoking packet.
Mangle the skb so the network header points to the invoking packet
inside the ICMP packet. The seg6 helpers can then be used on the skb
to find any segment routing headers. If found, mark this fact in the
IPv6 control block of the skb, and store the offset into the packet of
the SRH. Then restore the skb back to its old state.
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: David Ahern <dsahern@kernel.org>
Reviewed-by: Willem de Bruijn <willemb@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
|
|
An ICMP error message can contain in its message body part of an IPv6
packet which invoked the error. Such a packet might contain a segment
router header. Export get_srh() so the ICMP code can make use of it.
Since his changes the scope of the function from local to global, add
the seg6_ prefix to keep the namespace clean. And move it into seg6.c
so it is always available, not just when IPV6_SEG6_LWTUNNEL is
enabled.
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: David Ahern <dsahern@kernel.org>
Reviewed-by: Willem de Bruijn <willemb@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
|
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git://git.open-mesh.org/linux-merge
Simon Wunderlich says:
====================
Here is a batman-adv bugfix:
- avoid sending link-local multicast to multicast routers,
by Linus Lüssing
* tag 'batadv-net-pullrequest-20220103' of git://git.open-mesh.org/linux-merge:
batman-adv: mcast: don't send link-local multicast to mcast routers
====================
Link: https://lore.kernel.org/r/20220103171203.1124980-1-sw@simonwunderlich.de
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
|
|
__fixed_phy_register"
This reverts commit b45396afa4177f2b1ddfeff7185da733fade1dc3 ("net: phy:
fixed_phy: Fix NULL vs IS_ERR() checking in __fixed_phy_register")
since it prevents any system that uses a fixed PHY without a GPIO
descriptor from properly working:
[ 5.971952] brcm-systemport 9300000.ethernet: failed to register fixed PHY
[ 5.978854] brcm-systemport: probe of 9300000.ethernet failed with error -22
[ 5.986047] brcm-systemport 9400000.ethernet: failed to register fixed PHY
[ 5.992947] brcm-systemport: probe of 9400000.ethernet failed with error -22
Fixes: b45396afa417 ("net: phy: fixed_phy: Fix NULL vs IS_ERR() checking in __fixed_phy_register")
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://lore.kernel.org/r/20220103193453.1214961-1-f.fainelli@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
|
|
As Nicolas noted, if gateway validation fails walking the multipath
attribute the code should jump to the cleanup to free previously
allocated memory.
Fixes: 1ff15a710a86 ("ipv6: Check attribute length for RTA_GATEWAY when deleting multipath route")
Signed-off-by: David Ahern <dsahern@kernel.org>
Acked-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Link: https://lore.kernel.org/r/20220103170555.94638-1-dsahern@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
|
|
ip6_route_multipath_del loop continues processing the multipath
attribute even if delete of a nexthop path fails. For consistency,
do the same if the gateway attribute is invalid.
Fixes: 1ff15a710a86 ("ipv6: Check attribute length for RTA_GATEWAY when deleting multipath route")
Signed-off-by: David Ahern <dsahern@kernel.org>
Acked-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Link: https://lore.kernel.org/r/20220103171911.94739-1-dsahern@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
|
|
Add Doug and Florian as maintainers for gpio-brcmstb, and remove myself.
Signed-off-by: Gregory Fong <gregory.0xf0@gmail.com>
Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
|
|
Each aspeed sgpio bank has 64 gpio pins(32 input pins and 32 output pins).
The hwirq base for each sgpio bank should be multiples of 64 rather than
multiples of 32.
Signed-off-by: Steven Lee <steven_lee@aspeedtech.com>
Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
|
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|
|
git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux
Pull perf tools fixes from Arnaldo Carvalho de Melo:
- Fix TUI exit screen refresh race condition in 'perf top'.
- Fix parsing of Intel PT VM time correlation arguments.
- Honour CPU filtering command line request of a script's switch events
in 'perf script'.
- Fix printing of switch events in Intel PT python script.
- Fix duplicate alias events list printing in 'perf list', noticed on
heterogeneous arm64 systems.
- Fix return value of ids__new(), users expect NULL for failure, not
ERR_PTR(-ENOMEM).
* tag 'perf-tools-fixes-for-v5.16-2022-01-02' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux:
perf top: Fix TUI exit screen refresh race condition
perf pmu: Fix alias events list
perf scripts python: intel-pt-events.py: Fix printing of switch events
perf script: Fix CPU filtering of a script's switch events
perf intel-pt: Fix parsing of VM time correlation arguments
perf expr: Fix return value of ids__new()
|
