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Pull NVMe fixes from Christoph:
"nvme fixes for Linux 6.3
- avoid potential UAF in nvmet_req_complete (Damien Le Moal)
- more quirks (Elmer Miroslav Mosher Golovin, Philipp Geulen)
- fix a memory leak in the nvme-pci probe teardown path (Irvin Cote)
- repair the MAINTAINERS entry (Lukas Bulwahn)
- fix handling single range discard request (Ming Lei)
- show more opcode names in trace events (Minwoo Im)
- fix nvme-tcp timeout reporting (Sagi Grimberg)"
* tag 'nvme-6.3-2022-03-16' of git://git.infradead.org/nvme:
nvmet: avoid potential UAF in nvmet_req_complete()
nvme-trace: show more opcode names
nvme-tcp: add nvme-tcp pdu size build protection
nvme-tcp: fix opcode reporting in the timeout handler
nvme-pci: add NVME_QUIRK_BOGUS_NID for Lexar NM620
nvme-pci: add NVME_QUIRK_BOGUS_NID for Netac NV3000
nvme-pci: fixing memory leak in probe teardown path
nvme: fix handling single range discard request
MAINTAINERS: repair malformed T: entries in NVM EXPRESS DRIVERS
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Pointer variables of void * type do not require type cast.
Signed-off-by: Yu Zhe <yuzhe@nfschina.com>
Reviewed-by: Juergen Gross <jgross@suse.com>
Link: https://lore.kernel.org/r/20230316083954.4223-1-yuzhe@nfschina.com
Signed-off-by: Juergen Gross <jgross@suse.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/djakov/icc into char-misc-linus
Georgi writes:
interconnect fixes for v6.3-rc
This contains a bunch of fixes with the highlight being fixes for a race
condition that could sometimes occur during the interconnect provider
driver registration. There are also fixes for memory overallocation and
a memory leak.
- interconnect: qcom: osm-l3: fix icc_onecell_data allocation
- interconnect: qcom: sm8450: switch to qcom_icc_rpmh_* function
- interconnect: qcom: sm8550: switch to qcom_icc_rpmh_* function
- interconnect: qcom: qcm2290: Fix MASTER_SNOC_BIMC_NRT
- interconnect: fix mem leak when freeing nodes
- interconnect: fix icc_provider_del() error handling
- interconnect: fix provider registration API
- interconnect: imx: fix registration race
- interconnect: qcom: osm-l3: fix registration race
- interconnect: qcom: rpm: fix probe child-node error handling
- interconnect: qcom: rpm: fix registration race
- interconnect: qcom: rpmh: fix probe child-node error handling
- interconnect: qcom: rpmh: fix registration race
- interconnect: qcom: msm8974: fix registration race
- interconnect: exynos: fix node leak in probe PM QoS error path
- interconnect: exynos: fix registration race
- interconnect: exynos: drop redundant link destroy
- memory: tegra: fix interconnect registration race
- memory: tegra124-emc: fix interconnect registration race
- memory: tegra20-emc: fix interconnect registration race
- memory: tegra30-emc: fix interconnect registration race
Signed-off-by: Georgi Djakov <djakov@kernel.org>
* tag 'icc-6.3-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/djakov/icc: (21 commits)
memory: tegra30-emc: fix interconnect registration race
memory: tegra20-emc: fix interconnect registration race
memory: tegra124-emc: fix interconnect registration race
memory: tegra: fix interconnect registration race
interconnect: exynos: drop redundant link destroy
interconnect: exynos: fix registration race
interconnect: exynos: fix node leak in probe PM QoS error path
interconnect: qcom: msm8974: fix registration race
interconnect: qcom: rpmh: fix registration race
interconnect: qcom: rpmh: fix probe child-node error handling
interconnect: qcom: rpm: fix registration race
interconnect: qcom: rpm: fix probe child-node error handling
interconnect: qcom: osm-l3: fix registration race
interconnect: imx: fix registration race
interconnect: fix provider registration API
interconnect: fix icc_provider_del() error handling
interconnect: fix mem leak when freeing nodes
interconnect: qcom: qcm2290: Fix MASTER_SNOC_BIMC_NRT
interconnect: qcom: sm8550: switch to qcom_icc_rpmh_* function
interconnect: qcom: sm8450: switch to qcom_icc_rpmh_* function
...
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When ida_alloc() fails, "pi" is not freed although the misleading
comment says otherwise.
Move the ida_alloc() call up so we really don't have to free "pi" in
case of ida_alloc() failure.
Also move ida_free() call from pi_remove_one() to
pata_parport_dev_release(). It was dereferencing already freed dev
pointer.
Testing revealed leak even in non-failure case which was tracked down
to missing put_device() call after bus_find_device_by_name(). As a
result, pata_parport_dev_release() was never called.
Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Dan Carpenter <error27@gmail.com>
Link: https://lore.kernel.org/r/202303111822.IHNchbkp-lkp@intel.com/
Signed-off-by: Ondrej Zary <linux@zary.sk>
Signed-off-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
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Since the blamed commit, phy_ethtool_get_wol() and phy_ethtool_set_wol()
acquire phydev->lock, but the mscc phy driver implementations,
vsc85xx_wol_get() and vsc85xx_wol_set(), acquire the same lock as well,
resulting in a deadlock.
$ ip link set swp3 down
============================================
WARNING: possible recursive locking detected
mscc_felix 0000:00:00.5 swp3: Link is Down
--------------------------------------------
ip/375 is trying to acquire lock:
ffff3d7e82e987a8 (&dev->lock){+.+.}-{4:4}, at: vsc85xx_wol_get+0x2c/0xf4
but task is already holding lock:
ffff3d7e82e987a8 (&dev->lock){+.+.}-{4:4}, at: phy_ethtool_get_wol+0x3c/0x6c
other info that might help us debug this:
Possible unsafe locking scenario:
CPU0
----
lock(&dev->lock);
lock(&dev->lock);
*** DEADLOCK ***
May be due to missing lock nesting notation
2 locks held by ip/375:
#0: ffffd43b2a955788 (rtnl_mutex){+.+.}-{4:4}, at: rtnetlink_rcv_msg+0x144/0x58c
#1: ffff3d7e82e987a8 (&dev->lock){+.+.}-{4:4}, at: phy_ethtool_get_wol+0x3c/0x6c
Call trace:
__mutex_lock+0x98/0x454
mutex_lock_nested+0x2c/0x38
vsc85xx_wol_get+0x2c/0xf4
phy_ethtool_get_wol+0x50/0x6c
phy_suspend+0x84/0xcc
phy_state_machine+0x1b8/0x27c
phy_stop+0x70/0x154
phylink_stop+0x34/0xc0
dsa_port_disable_rt+0x2c/0xa4
dsa_slave_close+0x38/0xec
__dev_close_many+0xc8/0x16c
__dev_change_flags+0xdc/0x218
dev_change_flags+0x24/0x6c
do_setlink+0x234/0xea4
__rtnl_newlink+0x46c/0x878
rtnl_newlink+0x50/0x7c
rtnetlink_rcv_msg+0x16c/0x58c
Removing the mutex_lock(&phydev->lock) calls from the driver restores
the functionality.
Fixes: 2f987d486610 ("net: phy: Add locks to ethtool functions")
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Reviewed-by: Simon Horman <simon.horman@corigine.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://lore.kernel.org/r/20230314153025.2372970-1-vladimir.oltean@nxp.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Commit 718a18a0c8a6 ("veth: Rework veth_xdp_rcv_skb in order
to accept non-linear skb") introduced a bug where it tried to
use pskb_expand_head() if the headroom was less than
XDP_PACKET_HEADROOM. This however uses kmalloc to expand the head,
which will later allow consume_skb() to free the skb while is it still
in use by AF_XDP.
Previously if the headroom was less than XDP_PACKET_HEADROOM we
continued on to allocate a new skb from pages so this restores that
behavior.
BUG: KASAN: use-after-free in __xsk_rcv+0x18d/0x2c0
Read of size 78 at addr ffff888976250154 by task napi/iconduit-g/148640
CPU: 5 PID: 148640 Comm: napi/iconduit-g Kdump: loaded Tainted: G O 6.1.4-cloudflare-kasan-2023.1.2 #1
Hardware name: Quanta Computer Inc. QuantaPlex T41S-2U/S2S-MB, BIOS S2S_3B10.03 06/21/2018
Call Trace:
<TASK>
dump_stack_lvl+0x34/0x48
print_report+0x170/0x473
? __xsk_rcv+0x18d/0x2c0
kasan_report+0xad/0x130
? __xsk_rcv+0x18d/0x2c0
kasan_check_range+0x149/0x1a0
memcpy+0x20/0x60
__xsk_rcv+0x18d/0x2c0
__xsk_map_redirect+0x1f3/0x490
? veth_xdp_rcv_skb+0x89c/0x1ba0 [veth]
xdp_do_redirect+0x5ca/0xd60
veth_xdp_rcv_skb+0x935/0x1ba0 [veth]
? __netif_receive_skb_list_core+0x671/0x920
? veth_xdp+0x670/0x670 [veth]
veth_xdp_rcv+0x304/0xa20 [veth]
? do_xdp_generic+0x150/0x150
? veth_xdp_rcv_one+0xde0/0xde0 [veth]
? _raw_spin_lock_bh+0xe0/0xe0
? newidle_balance+0x887/0xe30
? __perf_event_task_sched_in+0xdb/0x800
veth_poll+0x139/0x571 [veth]
? veth_xdp_rcv+0xa20/0xa20 [veth]
? _raw_spin_unlock+0x39/0x70
? finish_task_switch.isra.0+0x17e/0x7d0
? __switch_to+0x5cf/0x1070
? __schedule+0x95b/0x2640
? io_schedule_timeout+0x160/0x160
__napi_poll+0xa1/0x440
napi_threaded_poll+0x3d1/0x460
? __napi_poll+0x440/0x440
? __kthread_parkme+0xc6/0x1f0
? __napi_poll+0x440/0x440
kthread+0x2a2/0x340
? kthread_complete_and_exit+0x20/0x20
ret_from_fork+0x22/0x30
</TASK>
Freed by task 148640:
kasan_save_stack+0x23/0x50
kasan_set_track+0x21/0x30
kasan_save_free_info+0x2a/0x40
____kasan_slab_free+0x169/0x1d0
slab_free_freelist_hook+0xd2/0x190
__kmem_cache_free+0x1a1/0x2f0
skb_release_data+0x449/0x600
consume_skb+0x9f/0x1c0
veth_xdp_rcv_skb+0x89c/0x1ba0 [veth]
veth_xdp_rcv+0x304/0xa20 [veth]
veth_poll+0x139/0x571 [veth]
__napi_poll+0xa1/0x440
napi_threaded_poll+0x3d1/0x460
kthread+0x2a2/0x340
ret_from_fork+0x22/0x30
The buggy address belongs to the object at ffff888976250000
which belongs to the cache kmalloc-2k of size 2048
The buggy address is located 340 bytes inside of
2048-byte region [ffff888976250000, ffff888976250800)
The buggy address belongs to the physical page:
page:00000000ae18262a refcount:2 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x976250
head:00000000ae18262a order:3 compound_mapcount:0 compound_pincount:0
flags: 0x2ffff800010200(slab|head|node=0|zone=2|lastcpupid=0x1ffff)
raw: 002ffff800010200 0000000000000000 dead000000000122 ffff88810004cf00
raw: 0000000000000000 0000000080080008 00000002ffffffff 0000000000000000
page dumped because: kasan: bad access detected
Memory state around the buggy address:
ffff888976250000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
ffff888976250080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
> ffff888976250100: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
^
ffff888976250180: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
ffff888976250200: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
Fixes: 718a18a0c8a6 ("veth: Rework veth_xdp_rcv_skb in order to accept non-linear skb")
Signed-off-by: Shawn Bohrer <sbohrer@cloudflare.com>
Acked-by: Lorenzo Bianconi <lorenzo@kernel.org>
Acked-by: Toshiaki Makita <toshiaki.makita1@gmail.com>
Acked-by: Toke Høiland-Jørgensen <toke@kernel.org>
Link: https://lore.kernel.org/r/20230314153351.2201328-1-sbohrer@cloudflare.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The ltc2992 drivers uses a mutex and I2C bus access in its GPIO chip `set`
and `get` implementation. This means these functions can sleep and the GPIO
chip should set the `can_sleep` property to true.
This will ensure that a warning is printed when trying to set or get the
GPIO value from a context that potentially can't sleep.
Fixes: 9ca26df1ba25 ("hwmon: (ltc2992) Add support for GPIOs.")
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Link: https://lore.kernel.org/r/20230314093146.2443845-2-lars@metafoo.de
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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The adm1266 driver uses I2C bus access in its GPIO chip `set` and `get`
implementation. This means these functions can sleep and the GPIO chip
should set the `can_sleep` property to true.
This will ensure that a warning is printed when trying to set or get the
GPIO value from a context that potentially can't sleep.
Fixes: d98dfad35c38 ("hwmon: (pmbus/adm1266) Add support for GPIOs")
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Link: https://lore.kernel.org/r/20230314093146.2443845-1-lars@metafoo.de
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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The cited commit attempts to update the hw stats when dumping tc actions.
However, the driver may be called to update the stats of a police action
that may not be in hardware. In such cases the driver will fail to lookup
the police action object and will output an error message both to extack
and dmesg. The dmesg error is confusing as it may not indicate an actual
error.
Remove the dmesg error.
Fixes: 2b68d659a704 ("net/mlx5e: TC, support per action stats")
Signed-off-by: Oz Shlomo <ozsh@nvidia.com>
Reviewed-by: Paul Blakey <paulb@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
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Currently the cloned flow attr resets the original tc action cookies
count.
Fix that by resetting the cloned flow attribute.
Fixes: cca7eac13856 ("net/mlx5e: TC, store tc action cookies per attr")
Signed-off-by: Oz Shlomo <ozsh@nvidia.com>
Reviewed-by: Paul Blakey <paulb@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
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Missing error code when mlx5e_tc_act_stats_create fails
Fixes: d13674b1d14c ("net/mlx5e: TC, map tc action cookie to a hw counter")
Reported-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Oz Shlomo <ozsh@nvidia.com>
Reviewed-by: Paul Blakey <paulb@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
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Freed counters may be reused by fs core.
As such, raw counters may not be initialized to zero.
Cache the counter values when the action stats object is initialized to
have a proper base value for calculating the difference from the previous
query.
Fixes: 2b68d659a704 ("net/mlx5e: TC, support per action stats")
Signed-off-by: Oz Shlomo <ozsh@nvidia.com>
Reviewed-by: Paul Blakey <paulb@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
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XSK redirecting XDP programs require linearity, hence applies
restrictions on the MTU. For PAGE_SIZE=4K, MTU shouldn't exceed 3498.
Features that contradict with XDP such HW-LRO and HW-GRO are enforced
by the driver in advance, during XSK params validation, except for MTU,
which was not enforced before this patch.
This has been spotted during test scenario described below:
Attaching xdpsock program (PAGE_SIZE=4K), with MTU < 3498, detaching
XDP program, changing the MTU to arbitrary value in the range
[3499, 3754], attaching XDP program again, which ended up with failure
since MTU is > 3498.
This commit lowers the XSK MTU limitation to be aligned with XDP MTU
limitation, since XSK socket is meaningless without XDP program.
Signed-off-by: Adham Faris <afaris@nvidia.com>
Reviewed-by: Tariq Toukan <tariqt@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
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Currently, BREAK_FW_WAIT flag is set after syncing with fw_reset.
However, fw_reset can call mlx5_load_one() which is waiting for fw
init bit and BREAK_FW_WAIT flag is intended to stop. e.g.: the driver
might wait on a loop it should exit.
Fix it by setting the flag before syncing with fw_reset.
Fixes: 8324a02c342a ("net/mlx5: Add exit route when waiting for FW")
Signed-off-by: Shay Drory <shayd@nvidia.com>
Reviewed-by: Moshe Shemesh <moshe@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
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Do proper error unwinding when adding an unsupported TX/RX cipher type.
Move the switch case prior to key creation so there's less to unwind,
and change the goto label name to describe the action performed instead
of what failed.
Fixes: 4960c414db35 ("net/mlx5e: Support 256 bit keys with kTLS device offload")
Signed-off-by: Gal Pressman <gal@nvidia.com>
Reviewed-by: Tariq Toukan <tariqt@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
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During module is unloaded while a peer tc flow is still offloaded,
first the peer uplink rep profile is changed to a nic profile, and so
neigh encap lock is destroyed. Next during unload, the VF reps netdevs
are unregistered which causes the original non-peer tc flow to be deleted,
which deletes the peer flow. The peer flow deletion detaches the encap
entry and try to take the already destroyed encap lock, causing the
below trace.
Fix this by clearing peer flows during tc eswitch cleanup
(mlx5e_tc_esw_cleanup()).
Relevant trace:
[ 4316.837128] BUG: kernel NULL pointer dereference, address: 00000000000001d8
[ 4316.842239] RIP: 0010:__mutex_lock+0xb5/0xc40
[ 4316.851897] Call Trace:
[ 4316.852481] <TASK>
[ 4316.857214] mlx5e_rep_neigh_entry_release+0x93/0x790 [mlx5_core]
[ 4316.858258] mlx5e_rep_encap_entry_detach+0xa7/0xf0 [mlx5_core]
[ 4316.859134] mlx5e_encap_dealloc+0xa3/0xf0 [mlx5_core]
[ 4316.859867] clean_encap_dests.part.0+0x5c/0xe0 [mlx5_core]
[ 4316.860605] mlx5e_tc_del_fdb_flow+0x32a/0x810 [mlx5_core]
[ 4316.862609] __mlx5e_tc_del_fdb_peer_flow+0x1a2/0x250 [mlx5_core]
[ 4316.863394] mlx5e_tc_del_flow+0x(/0x630 [mlx5_core]
[ 4316.864090] mlx5e_flow_put+0x5f/0x100 [mlx5_core]
[ 4316.864771] mlx5e_delete_flower+0x4de/0xa40 [mlx5_core]
[ 4316.865486] tc_setup_cb_reoffload+0x20/0x80
[ 4316.865905] fl_reoffload+0x47c/0x510 [cls_flower]
[ 4316.869181] tcf_block_playback_offloads+0x91/0x1d0
[ 4316.869649] tcf_block_unbind+0xe7/0x1b0
[ 4316.870049] tcf_block_offload_cmd.isra.0+0x1ee/0x270
[ 4316.879266] tcf_block_offload_unbind+0x61/0xa0
[ 4316.879711] __tcf_block_put+0xa4/0x310
Fixes: 04de7dda7394 ("net/mlx5e: Infrastructure for duplicated offloading of TC flows")
Fixes: 1418ddd96afd ("net/mlx5e: Duplicate offloaded TC eswitch rules under uplink LAG")
Signed-off-by: Paul Blakey <paulb@nvidia.com>
Reviewed-by: Chris Mi <cmi@nvidia.com>
Reviewed-by: Roi Dayan <roid@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
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internal port
Rules with mirror actions are split to two FTEs when the actions after the mirror
action contains pedit, vlan push/pop or ct. Forward to ovs internal port adds
implicit header rewrite (pedit) but missing trigger to do split.
Fix by setting split_count when forwarding to ovs internal port which
will trigger split in mirror rules.
Fixes: 27484f7170ed ("net/mlx5e: Offload tc rules that redirect to ovs internal port")
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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In few cases, rules with mirror use case are split to two FTEs, one which
do the mirror action and forward to second FTE which do the rest of the rule
actions and the second redirect action.
In case of mirror rules which do split and forward to ovs internal port or
VF stack devices, source port rewrite should be used in the second FTE but
it is wrongly also set in the first FTE which break the offload.
Fix this issue by removing the wrong check if source port rewrite is needed to
be used on the first FTE of the split and instead return EOPNOTSUPP which will
block offload of rules which mirror to ovs internal port or VF stack devices
which isn't supported.
Fixes: 10742efc20a4 ("net/mlx5e: VF tunnel TX traffic offloading")
Fixes: a508728a4c8b ("net/mlx5e: VF tunnel RX traffic offloading")
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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The offending commit changed the ordering of moving to legacy mode and
waiting for the VF pages. Moving to legacy mode is important in
bluefield, because it sends the host driver into error state, and frees
its pages. Without this transition we end up waiting 2 minutes for
pages that aren't coming before carrying on with the unload process.
Fixes: f019679ea5f2 ("net/mlx5: E-switch, Remove dependency between sriov and eswitch mode")
Signed-off-by: Daniel Jurgens <danielj@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
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When ECPF is a page supplier, reclaim pages missed to honor the
ec_function bit provided by the firmware. It always used the ec_function
to true during driver unload flow for ECPF. This is incorrect.
Honor the ec_function bit provided by device during page allocation
request event.
Fixes: d6945242f45d ("net/mlx5: Hold pages RB tree per VF")
Signed-off-by: Parav Pandit <parav@nvidia.com>
Signed-off-by: Daniel Jurgens <danielj@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
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When mlx5e attaches again after device health recovery, the device
capabilities might have changed by the eswitch manager.
For example in one flow when ECPF changes the eswitch mode between
legacy and switchdev, it updates the flow table tunnel capability.
The cached value is only used in one place, so just check the capability
there instead.
Fixes: 5bef709d76a2 ("net/mlx5: Enable host PF HCA after eswitch is initialized")
Signed-off-by: Parav Pandit <parav@nvidia.com>
Signed-off-by: Daniel Jurgens <danielj@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
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Currently mlx5e_macsec_umr struct does not satisfy hardware memory
alignment requirement. Hence the result of querying advanced steering
operation (ASO) is not copied to the memory region as expected.
Fix by satisfying hardware memory alignment requirement and move
context to be first field in struct for better readability.
Fixes: 1f53da676439 ("net/mlx5e: Create advanced steering operation (ASO) object for MACsec")
Signed-off-by: Emeel Hakim <ehakim@nvidia.com>
Reviewed-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
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Check kfd->init_complete in kgd2kfd_iommu_resume, consistent with other
kgd2kfd calls. This should fix IOMMU errors on resume from suspend when
KFD IOMMU initialization failed.
Reported-by: Matt Fagnani <matt.fagnani@bell.net>
Link: https://lore.kernel.org/r/4a3b225c-2ffd-e758-4de1-447375e34cad@bell.net/
Link: https://bugzilla.kernel.org/show_bug.cgi?id=217170
Link: https://gitlab.freedesktop.org/drm/amd/-/issues/2454
Cc: Vasant Hegde <vasant.hegde@amd.com>
Cc: Linux regression tracking (Thorsten Leemhuis) <regressions@leemhuis.info>
Cc: stable@vger.kernel.org
Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Tested-by: Matt Fagnani <matt.fagnani@bell.net>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Handle case when module is unloaded (kfd_exit) before a process space
(mm_struct) is released.
v2: Fixed potential race conditions by removing all kfd_process from
the process table first, then working on releasing the resources.
v3: Fixed loop element access / synchronization. Fixed extra empty lines.
Signed-off-by: David Belanger <david.belanger@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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[Why]
Framedrops are observed while playing Vp9 and Av1 10 bit
video on 8k resolution using VSR while playback controls
are disappeared/appeared
[How]
Now ODM 2 to 1 is disabled for 5k or greater resolutions on VSR.
Cc: stable@vger.kernel.org
Cc: Mario Limonciello <mario.limonciello@amd.com>
Reviewed-by: Alvin Lee <Alvin.Lee2@amd.com>
Acked-by: Qingqing Zhuo <qingqing.zhuo@amd.com>
Signed-off-by: Ayush Gupta <ayugupta@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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[Why]
In USB4 DP tunneling, it's possible to have this scenario that
the path becomes unavailable and CM tears down the path a little bit late.
So, in this case, the HPD is high but fails to read any DPCD register.
That causes the link connection type to be set to sst.
And not all sinks are removed behind the MST branch.
[How]
Restore the link connection type if it fails to read DPCD register.
Cc: stable@vger.kernel.org
Cc: Mario Limonciello <mario.limonciello@amd.com>
Reviewed-by: Wenjing Liu <Wenjing.Liu@amd.com>
Acked-by: Qingqing Zhuo <qingqing.zhuo@amd.com>
Signed-off-by: Cruise Hung <Cruise.Hung@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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[WHY]
Writing to DRR registers such as OTG_V_TOTAL_MIN on the same frame as a
pipe commit can cause underflow.
Cc: stable@vger.kernel.org
Cc: Mario Limonciello <mario.limonciello@amd.com>
Reviewed-by: Jun Lei <Jun.Lei@amd.com>
Acked-by: Qingqing Zhuo <qingqing.zhuo@amd.com>
Signed-off-by: Wesley Chalmers <Wesley.Chalmers@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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[WHY]
Hot plugging and then hot unplugging leads to k1 and k2 values to
change, as signal is detected as a virtual signal on hot unplug. Writing
these values to OTG_PIXEL_RATE_DIV register might cause primary display
to blank (known hw bug).
[HOW]
No longer write k1 and k2 values to register if signal is virtual, we
have safe guards in place in the case that k1 and k2 is unassigned so
that an unknown value is not written to the register either.
Cc: stable@vger.kernel.org
Cc: Mario Limonciello <mario.limonciello@amd.com>
Reviewed-by: Samson Tam <Samson.Tam@amd.com>
Reviewed-by: Alvin Lee <Alvin.Lee2@amd.com>
Acked-by: Qingqing Zhuo <qingqing.zhuo@amd.com>
Signed-off-by: Saaem Rizvi <SyedSaaem.Rizvi@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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https://git.kernel.org/pub/scm/linux/kernel/git/song/md into block-6.3
Pull MD fixes from Song:
"This set contains two fixes for old issues (by Neil) and one fix
for 6.3 (by Xiao)."
* 'md-fixes' of https://git.kernel.org/pub/scm/linux/kernel/git/song/md:
md: select BLOCK_LEGACY_AUTOLOAD
md: avoid signed overflow in slot_store()
md: Free resources in __md_stop
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When BLOCK_LEGACY_AUTOLOAD is not enable, mdadm is not able to
activate new arrays unless "CREATE names=yes" appears in
mdadm.conf
As this is a regression we need to always enable BLOCK_LEGACY_AUTOLOAD
for when MD is selected - at least until mdadm is updated and the
updates widely available.
Cc: stable@vger.kernel.org # v5.18+
Fixes: fbdee71bb5d8 ("block: deprecate autoloading based on dev_t")
Signed-off-by: NeilBrown <neilb@suse.de>
Signed-off-by: Song Liu <song@kernel.org>
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While using iostat for raid, I observed very strange 'await'
occasionally, and turns out it's due to that 'ios' and 'sectors' is
counted in bdev_start_io_acct(), while 'nsecs' is counted in
bdev_end_io_acct(). I'm not sure why they are ccounted like that
but I think this behaviour is obviously wrong because user will get
wrong disk stats.
Fix the problem by counting 'ios' and 'sectors' when io is done, like
what rq-based device does.
Fixes: 394ffa503bc4 ("blk: introduce generic io stat accounting help function")
Signed-off-by: Yu Kuai <yukuai3@huawei.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/r/20230223091226.1135678-1-yukuai1@huaweicloud.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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In vdc_port_probe(), we should check the return value of mdesc_grab() as
it may return NULL, which can cause potential NPD bug.
Fixes: 43fdf27470b2 ("[SPARC64]: Abstract out mdesc accesses for better MD update handling.")
Signed-off-by: Liang He <windhl@126.com>
Link: https://lore.kernel.org/r/20230315062032.1741692-1-windhl@126.com
[axboe: style cleanup]
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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An nvme target ->queue_response() operation implementation may free the
request passed as argument. Such implementation potentially could result
in a use after free of the request pointer when percpu_ref_put() is
called in nvmet_req_complete().
Avoid such problem by using a local variable to save the sq pointer
before calling __nvmet_req_complete(), thus avoiding dereferencing the
req pointer after that function call.
Fixes: a07b4970f464 ("nvmet: add a generic NVMe target")
Signed-off-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
Reviewed-by: Chaitanya Kulkarni <kch@nvidia.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
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Make sure that we don't somehow mess up the wire structures in the spec.
Signed-off-by: Sagi Grimberg <sagi@grimberg.me>
Reviewed-by: Chaitanya Kulkarni <kkch@nvidia.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
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For non in-capsule writes we reuse the request pdu space for a h2cdata
pdu in order to avoid over allocating space (either preallocate or
dynamically upon receving an r2t pdu). However if the request times out
the core expects to find the opcode in the start of the request, which
we override.
In order to prevent that, without sacrificing additional 24 bytes per
request, we just use the tail of the command pdu space instead (last
24 bytes from the 72 bytes command pdu). That should make the command
opcode always available, and we get away from allocating more space.
If in the future we would need the last 24 bytes of the nvme command
available we would need to allocate a dedicated space for it in the
request, but until then we can avoid doing so.
Reported-by: Akinobu Mita <akinobu.mita@gmail.com>
Signed-off-by: Sagi Grimberg <sagi@grimberg.me>
Reviewed-by: Chaitanya Kulkarni <kkch@nvidia.com>
Tested-by: Akinobu Mita <akinobu.mita@gmail.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
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Added a quirk to fix Lexar NM620 1TB SSD reporting duplicate NGUIDs.
Signed-off-by: Philipp Geulen <p.geulen@js-elektronik.de>
Reviewed-by: Chaitanya Kulkarni <kkch@nvidia.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
|
|
Added a quirk to fix the Netac NV3000 SSD reporting duplicate NGUIDs.
Cc: <stable@vger.kernel.org>
Signed-off-by: Elmer Miroslav Mosher Golovin <miroslav@mishamosher.com>
Reviewed-by: Chaitanya Kulkarni <kch@nvidia.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
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In case the nvme_probe teardown path is triggered the ctrl ref count does
not reach 0 thus creating a memory leak upon failure of nvme_probe.
Signed-off-by: Irvin Cote <irvincoteg@gmail.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
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When investigating one customer report on warning in nvme_setup_discard,
we observed the controller(nvme/tcp) actually exposes
queue_max_discard_segments(req->q) == 1.
Obviously the current code can't handle this situation, since contiguity
merge like normal RW request is taken.
Fix the issue by building range from request sector/nr_sectors directly.
Fixes: b35ba01ea697 ("nvme: support ranged discard requests")
Signed-off-by: Ming Lei <ming.lei@redhat.com>
Reviewed-by: Chaitanya Kulkarni <kch@nvidia.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
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Use a local struct request pointer variable to avoid having to
dereference struct blk_mq_queue_data multiple times. While at it, also
fix the function argument indentation and remove a useless "else" after
a return.
Signed-off-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Reviewed-by: Pankaj Raghav <p.raghav@samsung.com>
Link: https://lore.kernel.org/r/20230314041106.19173-2-damien.lemoal@opensource.wdc.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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When injecting a fake timeout into the null_blk driver using
fail_io_timeout, the request timeout handler does not execute
blk_mq_complete_request(), so the complete callback is never executed
for a timedout request.
The null_blk driver also has a driver-specific fake timeout mechanism
which does not have this problem. Fix the problem with fail_io_timeout
by using the same meachanism as null_blk internal timeout feature, using
the fake_timeout field of null_blk commands.
Reported-by: Akinobu Mita <akinobu.mita@gmail.com>
Fixes: de3510e52b0a ("null_blk: fix command timeout completion handling")
Signed-off-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Link: https://lore.kernel.org/r/20230314041106.19173-2-damien.lemoal@opensource.wdc.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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devm_regulator_get_enable_optional() returns -ENODEV if requested
optional regulator is not present. Adjust code for that, because in the
67d0a30128c9 I've incorrectly assumed that it also returns 0 when
regulator is not present.
Reported-by: Ricardo Cañuelo <ricardo.canuelo@collabora.com>
Fixes: 67d0a30128c9 ("drm/meson: dw-hdmi: Fix devm_regulator_*get_enable*() conversion")
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Acked-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Acked-by: Neil Armstrong <neil.armstrong@linaro.org>
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20230309152446.104913-1-m.szyprowski@samsung.com
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Only restart auto-negotiation and write link timer if actually
necessary. This prevents losing the link in case of minor
changes.
Fixes: 7e538372694b ("net: ethernet: mediatek: Re-add support SGMII")
Reviewed-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Tested-by: Bjørn Mork <bjorn@mork.no>
Signed-off-by: Daniel Golle <daniel@makrotopia.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
|
|
Reset the internal PCS state machine when changing interface mode.
This prevents confusing the state machine when changing interface
modes, e.g. from SGMII to 2500Base-X or vice-versa.
Fixes: 7e538372694b ("net: ethernet: mediatek: Re-add support SGMII")
Reviewed-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Tested-by: Bjørn Mork <bjorn@mork.no>
Signed-off-by: Daniel Golle <daniel@makrotopia.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
|
|
Packet length retrieved from skb data may be larger than
the actual socket buffer length (up to 9026 bytes). In such
case the cloned skb passed up the network stack will leak
kernel memory contents.
Fixes: d0cad871703b ("smsc75xx: SMSC LAN75xx USB gigabit ethernet adapter driver")
Signed-off-by: Szymon Heidrich <szymon.heidrich@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
|
|
Spectrum ASICs have a configurable limit on how deep into the packet
they parse. By default, the limit is 96 bytes.
There are several cases where this parsing depth is not enough and there
is a need to increase it. For example, timestamping of PTP packets and a
FIB multipath hash policy that requires hashing on inner fields. The
driver therefore maintains a reference count that reflects the number of
consumers that require an increased parsing depth.
During reload_down() the parsing depth reference count does not
necessarily drop to zero, but the parsing depth itself is restored to
the default during reload_up() when the firmware is reset. It is
therefore possible to end up in situations where the driver thinks that
the parsing depth was increased (reference count is non-zero), when it
is not.
Fix by making sure that all the consumers that increase the parsing
depth reference count also decrease it during reload_down().
Specifically, make sure that when the routing code is de-initialized it
drops the reference count if it was increased because of a FIB multipath
hash policy that requires hashing on inner fields.
Add a warning if the reference count is not zero after the driver was
de-initialized and explicitly reset it to zero during initialization for
good measures.
Fixes: 2d91f0803b84 ("mlxsw: spectrum: Add infrastructure for parsing configuration")
Reported-by: Maksym Yaremchuk <maksymy@nvidia.com>
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: Petr Machata <petrm@nvidia.com>
Link: https://lore.kernel.org/r/9c35e1b3e6c1d8f319a2449d14e2b86373f3b3ba.1678727526.git.petrm@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
|
|
veth_set_xdp_features()
Fix the following kernel warning in veth_set_xdp_features routine
relying on rtnl_dereference() instead of on rcu_dereference():
=============================
WARNING: suspicious RCU usage
6.3.0-rc1-00144-g064d70527aaa #149 Not tainted
-----------------------------
drivers/net/veth.c:1265 suspicious rcu_dereference_check() usage!
other info that might help us debug this:
rcu_scheduler_active = 2, debug_locks = 1
1 lock held by ip/135:
(net/core/rtnetlink.c:6172)
stack backtrace:
CPU: 1 PID: 135 Comm: ip Not tainted 6.3.0-rc1-00144-g064d70527aaa #149
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.15.0-1
04/01/2014
Call Trace:
<TASK>
dump_stack_lvl (lib/dump_stack.c:107)
lockdep_rcu_suspicious (include/linux/context_tracking.h:152)
veth_set_xdp_features (drivers/net/veth.c:1265 (discriminator 9))
veth_newlink (drivers/net/veth.c:1892)
? veth_set_features (drivers/net/veth.c:1774)
? kasan_save_stack (mm/kasan/common.c:47)
? kasan_save_stack (mm/kasan/common.c:46)
? kasan_set_track (mm/kasan/common.c:52)
? alloc_netdev_mqs (include/linux/slab.h:737)
? rcu_read_lock_sched_held (kernel/rcu/update.c:125)
? trace_kmalloc (include/trace/events/kmem.h:54)
? __xdp_rxq_info_reg (net/core/xdp.c:188)
? alloc_netdev_mqs (net/core/dev.c:10657)
? rtnl_create_link (net/core/rtnetlink.c:3312)
rtnl_newlink_create (net/core/rtnetlink.c:3440)
? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:3391)
__rtnl_newlink (net/core/rtnetlink.c:3657)
? lock_downgrade (kernel/locking/lockdep.c:5321)
? rtnl_link_unregister (net/core/rtnetlink.c:3487)
rtnl_newlink (net/core/rtnetlink.c:3671)
rtnetlink_rcv_msg (net/core/rtnetlink.c:6174)
? rtnl_link_fill (net/core/rtnetlink.c:6070)
? mark_usage (kernel/locking/lockdep.c:4914)
? mark_usage (kernel/locking/lockdep.c:4914)
netlink_rcv_skb (net/netlink/af_netlink.c:2574)
? rtnl_link_fill (net/core/rtnetlink.c:6070)
? netlink_ack (net/netlink/af_netlink.c:2551)
? lock_acquire (kernel/locking/lockdep.c:467)
? net_generic (include/linux/rcupdate.h:805)
? netlink_deliver_tap (include/linux/rcupdate.h:805)
netlink_unicast (net/netlink/af_netlink.c:1340)
? netlink_attachskb (net/netlink/af_netlink.c:1350)
netlink_sendmsg (net/netlink/af_netlink.c:1942)
? netlink_unicast (net/netlink/af_netlink.c:1861)
? netlink_unicast (net/netlink/af_netlink.c:1861)
sock_sendmsg (net/socket.c:727)
____sys_sendmsg (net/socket.c:2501)
? kernel_sendmsg (net/socket.c:2448)
? __copy_msghdr (net/socket.c:2428)
___sys_sendmsg (net/socket.c:2557)
? mark_usage (kernel/locking/lockdep.c:4914)
? do_recvmmsg (net/socket.c:2544)
? lock_acquire (kernel/locking/lockdep.c:467)
? find_held_lock (kernel/locking/lockdep.c:5159)
? __lock_release (kernel/locking/lockdep.c:5345)
? __might_fault (mm/memory.c:5625)
? lock_downgrade (kernel/locking/lockdep.c:5321)
? __fget_light (include/linux/atomic/atomic-arch-fallback.h:227)
__sys_sendmsg (include/linux/file.h:31)
? __sys_sendmsg_sock (net/socket.c:2572)
? rseq_get_rseq_cs (kernel/rseq.c:275)
? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4263)
do_syscall_64 (arch/x86/entry/common.c:50)
entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:120)
RIP: 0033:0x7f0d1aadeb17
Code: 0f 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e
fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00
f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
Fixes: fccca038f300 ("veth: take into account device reconfiguration for xdp_features flag")
Suggested-by: Eric Dumazet <edumazet@google.com>
Reported-by: Matthieu Baerts <matthieu.baerts@tessares.net>
Link: https://lore.kernel.org/netdev/cover.1678364612.git.lorenzo@kernel.org/T/#me4c9d8e985ec7ebee981cfdb5bc5ec651ef4035d
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Reported-by: syzbot+c3d0d9c42d59ff644ea6@syzkaller.appspotmail.com
Reviewed-by: Eric Dumazet <edumazet@google.com>
Tested-by: Matthieu Baerts <matthieu.baerts@tessares.net>
Link: https://lore.kernel.org/r/dfd6a9a7d85e9113063165e1f47b466b90ad7b8a.1678748579.git.lorenzo@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
|
|
This bug influences both st_nci_i2c_remove and st_nci_spi_remove.
Take st_nci_i2c_remove as an example.
In st_nci_i2c_probe, it called ndlc_probe and bound &ndlc->sm_work
with llt_ndlc_sm_work.
When it calls ndlc_recv or timeout handler, it will finally call
schedule_work to start the work.
When we call st_nci_i2c_remove to remove the driver, there
may be a sequence as follows:
Fix it by finishing the work before cleanup in ndlc_remove
CPU0 CPU1
|llt_ndlc_sm_work
st_nci_i2c_remove |
ndlc_remove |
st_nci_remove |
nci_free_device|
kfree(ndev) |
//free ndlc->ndev |
|llt_ndlc_rcv_queue
|nci_recv_frame
|//use ndlc->ndev
Fixes: 35630df68d60 ("NFC: st21nfcb: Add driver for STMicroelectronics ST21NFCB NFC chip")
Signed-off-by: Zheng Wang <zyytlz.wz@163.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20230312160837.2040857-1-zyytlz.wz@163.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
|
|
If genphy_read_status fails then further access to the PHY may result
in unpredictable behavior. To prevent this bail out immediately if
genphy_read_status fails.
Fixes: 4223dbffed9f ("net: phy: smsc: Re-enable EDPD mode for LAN87xx")
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Reviewed-by: Simon Horman <simon.horman@corigine.com>
Link: https://lore.kernel.org/r/026aa4f2-36f5-1c10-ab9f-cdb17dda6ac4@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
|
|
RDMA is not supported in ice on a PF that has been added to a bonded
interface. To enforce this, when an interface enters a bond, we unplug
the auxiliary device that supports RDMA functionality. This unplug
currently happens in the context of handling the netdev bonding event.
This event is sent to the ice driver under RTNL context. This is causing
a deadlock where the RDMA driver is waiting for the RTNL lock to complete
the removal.
Defer the unplugging/re-plugging of the auxiliary device to the service
task so that it is not performed under the RTNL lock context.
Cc: stable@vger.kernel.org # 6.1.x
Reported-by: Jaroslav Pulchart <jaroslav.pulchart@gooddata.com>
Link: https://lore.kernel.org/netdev/CAK8fFZ6A_Gphw_3-QMGKEFQk=sfCw1Qmq0TVZK3rtAi7vb621A@mail.gmail.com/
Fixes: 5cb1ebdbc434 ("ice: Fix race condition during interface enslave")
Fixes: 4eace75e0853 ("RDMA/irdma: Report the correct link speed")
Signed-off-by: Dave Ertman <david.m.ertman@intel.com>
Tested-by: Arpana Arland <arpanax.arland@intel.com> (A Contingent worker at Intel)
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Reviewed-by: Leon Romanovsky <leonro@nvidia.com>
Link: https://lore.kernel.org/r/20230310194833.3074601-1-anthony.l.nguyen@intel.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
|
