* fix a debugfs vs. wiphy rename crash
* fix an invalid HE spec definition
* fix a mesh timer crash
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Merge tag 'mac80211-for-net-2020-05-25' of git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211
Johannes Berg says:
====================
A few changes:
* fix a debugfs vs. wiphy rename crash
* fix an invalid HE spec definition
* fix a mesh timer crash
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
In function qlcnic_83xx_interrupt_test(), function
qlcnic_83xx_diag_alloc_res() is not handled by function
qlcnic_83xx_diag_free_res() after a call of the function
qlcnic_alloc_mbx_args() failed. Fix this issue by adding
a jump target "fail_mbx_args", and jump to this new target
when qlcnic_alloc_mbx_args() failed.
Fixes: b6b4316c8b ("qlcnic: Handle qlcnic_alloc_mbx_args() failure")
Signed-off-by: Qiushi Wu <wu000273@umn.edu>
Signed-off-by: David S. Miller <davem@davemloft.net>
The dpaa-eth driver probes on compatible string for the MAC node, and
the fman/mac.c driver allocates a dpaa-ethernet platform device that
triggers the probing of the dpaa-eth net device driver.
All of this is fine, but the problem is that the struct device of the
dpaa_eth net_device is 2 parents away from the MAC which can be
referenced via of_node. So of_find_net_device_by_node can't find it, and
DSA switches won't be able to probe on top of FMan ports.
It would be a bit silly to modify a core function
(of_find_net_device_by_node) to look for dev->parent->parent->of_node
just for one driver. We're just 1 step away from implementing full
recursion.
Actually there have already been at least 2 previous attempts to make
this work:
- Commit a1a50c8e4c ("fsl/man: Inherit parent device and of_node")
- One or more of the patches in "[v3,0/6] adapt DPAA drivers for DSA":
https://patchwork.ozlabs.org/project/netdev/cover/1508178970-28945-1-git-send-email-madalin.bucur@nxp.com/
(I couldn't really figure out which one was supposed to solve the
problem and how).
Point being, it looks like this is still pretty much a problem today.
On T1040, the /sys/class/net/eth0 symlink currently points to
../../devices/platform/ffe000000.soc/ffe400000.fman/ffe4e6000.ethernet/dpaa-ethernet.0/net/eth0
which pretty much illustrates the problem. The closest of_node we've got
is the "fsl,fman-memac" at /soc@ffe000000/fman@400000/ethernet@e6000,
which is what we'd like to be able to reference from DSA as host port.
For of_find_net_device_by_node to find the eth0 port, we would need the
parent of the eth0 net_device to not be the "dpaa-ethernet" platform
device, but to point 1 level higher, aka the "fsl,fman-memac" node
directly. The new sysfs path would look like this:
../../devices/platform/ffe000000.soc/ffe400000.fman/ffe4e6000.ethernet/net/eth0
And this is exactly what SET_NETDEV_DEV does. It sets the parent of the
net_device. The new parent has an of_node associated with it, and
of_dev_node_match already checks for the of_node of the device or of its
parent.
Fixes: a1a50c8e4c ("fsl/man: Inherit parent device and of_node")
Fixes: c6e26ea8c8 ("dpaa_eth: change device used")
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
tls_sw_recvmsg() and tls_decrypt_done() can be run concurrently.
// tls_sw_recvmsg()
if (atomic_read(&ctx->decrypt_pending))
crypto_wait_req(-EINPROGRESS, &ctx->async_wait);
else
reinit_completion(&ctx->async_wait.completion);
//tls_decrypt_done()
pending = atomic_dec_return(&ctx->decrypt_pending);
if (!pending && READ_ONCE(ctx->async_notify))
complete(&ctx->async_wait.completion);
Consider the scenario tls_decrypt_done() is about to run complete()
if (!pending && READ_ONCE(ctx->async_notify))
and tls_sw_recvmsg() reads decrypt_pending == 0, does reinit_completion(),
then tls_decrypt_done() runs complete(). This sequence of execution
results in wrong completion. Consequently, for next decrypt request,
it will not wait for completion, eventually on connection close, crypto
resources freed, there is no way to handle pending decrypt response.
This race condition can be avoided by having atomic_read() mutually
exclusive with atomic_dec_return(),complete().Intoduced spin lock to
ensure the mutual exclution.
Addressed similar problem in tx direction.
v1->v2:
- More readable commit message.
- Corrected the lock to fix new race scenario.
- Removed barrier which is not needed now.
Fixes: a42055e8d2 ("net/tls: Add support for async encryption of records for performance")
Signed-off-by: Vinay Kumar Yadav <vinay.yadav@chelsio.com>
Reviewed-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
- correct value of decompressor tag size in header
- fix DACR value when we have nested exceptions
- fix a missing newline on a kernel message
- fix mask for ptrace thumb breakpoint hook
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Merge tag 'for-linus' of git://git.armlinux.org.uk/~rmk/linux-arm
Pull ARM fixes from Russell King:
- correct value of decompressor tag size in header
- fix DACR value when we have nested exceptions
- fix a missing newline on a kernel message
- fix mask for ptrace thumb breakpoint hook
* tag 'for-linus' of git://git.armlinux.org.uk/~rmk/linux-arm:
ARM: 8977/1: ptrace: Fix mask for thumb breakpoint hook
ARM: 8973/1: Add missing newline terminator to kernel message
ARM: uaccess: fix DACR mismatch with nested exceptions
ARM: uaccess: integrate uaccess_save and uaccess_restore
ARM: uaccess: consolidate uaccess asm to asm/uaccess-asm.h
ARM: 8970/1: decompressor: increase tag size
Recent cpsw driver changes exposed few regressions in the cpsw related
dts configuration that would be good to fix:
- Few more boards still need to be updated to use rgmii-rxid phy caused
by the fallout from commit bcf3440c6d ("net: phy: micrel: add phy-mode
support for the KSZ9031 PHY" as the rx delay is now disabled unless we
use rgmii-rxid.
- On dm814x we have been using a wrong clock for mdio that now can produce
external abort on some boards
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Merge tag 'omap-for-v5.7/cpsw-fixes-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into arm/fixes
Few cpsw related dts fixes for omaps
Recent cpsw driver changes exposed few regressions in the cpsw related
dts configuration that would be good to fix:
- Few more boards still need to be updated to use rgmii-rxid phy caused
by the fallout from commit bcf3440c6d ("net: phy: micrel: add phy-mode
support for the KSZ9031 PHY" as the rx delay is now disabled unless we
use rgmii-rxid.
- On dm814x we have been using a wrong clock for mdio that now can produce
external abort on some boards
* tag 'omap-for-v5.7/cpsw-fixes-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
ARM: dts: Fix wrong mdio clock for dm814x
ARM: dts: am437x: fix networking on boards with ksz9031 phy
ARM: dts: am57xx: fix networking on boards with ksz9031 phy
Link: https://lore.kernel.org/r/pull-1589472123-367692@atomide.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
The npgs member of struct xdp_umem is an u32 entity, and stores the
number of pages the UMEM consumes. The calculation of npgs
npgs = size / PAGE_SIZE
can overflow.
To avoid overflow scenarios, the division is now first stored in a
u64, and the result is verified to fit into 32b.
An alternative would be storing the npgs as a u64, however, this
wastes memory and is an unrealisticly large packet area.
Fixes: c0c77d8fb7 ("xsk: add user memory registration support sockopt")
Reported-by: "Minh Bùi Quang" <minhquangbui99@gmail.com>
Signed-off-by: Björn Töpel <bjorn.topel@intel.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Jonathan Lemon <jonathan.lemon@gmail.com>
Link: https://lore.kernel.org/bpf/CACtPs=GGvV-_Yj6rbpzTVnopgi5nhMoCcTkSkYrJHGQHJWFZMQ@mail.gmail.com/
Link: https://lore.kernel.org/bpf/20200525080400.13195-1-bjorn.topel@gmail.com
Restore helper data size initialization and fix memcopy of the helper
data size.
Fixes: 157ffffeb5 ("netfilter: nfnetlink_cthelper: reject too large userspace allocation requests")
Reviewed-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Florian Westphal says:
"Problem is that after the helper hook was merged back into the confirm
one, the queueing itself occurs from the confirm hook, i.e. we queue
from the last netfilter callback in the hook-list.
Therefore, on return, the packet bypasses the confirm action and the
connection is never committed to the main conntrack table.
To fix this there are several ways:
1. revert the 'Fixes' commit and have a extra helper hook again.
Works, but has the drawback of adding another indirect call for
everyone.
2. Special case this: split the hooks only when userspace helper
gets added, so queueing occurs at a lower priority again,
and normal enqueue reinject would eventually call the last hook.
3. Extend the existing nf_queue ct update hook to allow a forced
confirmation (plus run the seqadj code).
This goes for 3)."
Fixes: 827318feb6 ("netfilter: conntrack: remove helper hook again")
Reviewed-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Dan Carpenter says: "Smatch complains that the value for "cmd" comes
from the network and can't be trusted."
Add pptp_msg_name() helper function that checks for the array boundary.
Fixes: f09943fefe ("[NETFILTER]: nf_conntrack/nf_nat: add PPTP helper port")
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
If IPSET_FLAG_SKIP_SUBCOUNTER_UPDATE is set, user requested to not
update counters in sub sets. Therefore IPSET_FLAG_SKIP_COUNTER_UPDATE
must be set, not unset.
Fixes: 6e01781d1c ("netfilter: ipset: set match: add support to match the counters")
Signed-off-by: Phil Sutter <phil@nwl.cc>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Currently, using the bridge reject target with tagged packets
results in untagged packets being sent back.
Fix this by mirroring the vlan id as well.
Fixes: 85f5b3086a ("netfilter: bridge: add reject support")
Signed-off-by: Michael Braun <michael-dev@fami-braun.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
In function pvrdma_pci_probe(), pdev was not disabled in one error
path. Thus replace the jump target “err_free_device” by
"err_disable_pdev".
Fixes: 29c8d9eba5 ("IB: Add vmw_pvrdma driver")
Link: https://lore.kernel.org/r/20200523030457.16160-1-wu000273@umn.edu
Signed-off-by: Qiushi Wu <wu000273@umn.edu>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
since chip spi driver need get the transfer direction by 'tx_buf' and
'rx_buf' of 'struct spi_transfer' in 'SPI_3WIRE' mode.
so, we need bypass 'SPI_CONTROLLER_MUST_RX' and 'SPI_CONTROLLER_MUST_TX'
feature in 'SPI_3WIRE' mode
Signed-off-by: dillon min <dillon.minfei@gmail.com>
Link: https://lore.kernel.org/r/1590378348-8115-9-git-send-email-dillon.minfei@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
in l3gd20 driver startup, there is a setup failed error return from
stm32 spi driver
"
[ 2.687630] st-gyro-spi spi0.0: supply vdd not found, using dummy
regulator
[ 2.696869] st-gyro-spi spi0.0: supply vddio not found, using dummy
regulator
[ 2.706707] spi_stm32 40015000.spi: SPI transfer setup failed
[ 2.713741] st-gyro-spi spi0.0: SPI transfer failed: -22
[ 2.721096] spi_master spi0: failed to transfer one message from queue
[ 2.729268] iio iio:device0: failed to read Who-Am-I register.
[ 2.737504] st-gyro-spi: probe of spi0.0 failed with error -22
"
after debug into spi-stm32 driver, st-gyro-spi split two steps to read
l3gd20 id
first: send command to l3gd20 with read id command in tx_buf, rx_buf
is null.
second: read id with tx_buf is null, rx_buf not null.
so, for second step, stm32 driver recongise this process as 'SPI_SIMPLE_RX'
from stm32_spi_communication_type(), but there is no related process for this
type in stm32f4_spi_set_mode(), then we get error from
stm32_spi_transfer_one_setup().
we can use two method to fix this bug.
1, use stm32 spi's "In unidirectional receive-only mode (BIDIMODE=0 and
RXONLY=1)". but as our code running in sdram, the read latency is too large
to get so many receive overrun error in interrupts handler.
2, use stm32 spi's "In full-duplex (BIDIMODE=0 and RXONLY=0)", as tx_buf is
null, so add flag 'SPI_MASTER_MUST_TX' to spi master.
Change since V4:
1 remove dummy data sent out by stm32 spi driver
2 add flag 'SPI_MASTER_MUST_TX' to spi master
Signed-off-by: dillon min <dillon.minfei@gmail.com>
Link: https://lore.kernel.org/r/1590378348-8115-8-git-send-email-dillon.minfei@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This waring can be triggered simply by:
# ip xfrm policy update src 192.168.1.1/24 dst 192.168.1.2/24 dir in \
priority 1 mark 0 mask 0x10 #[1]
# ip xfrm policy update src 192.168.1.1/24 dst 192.168.1.2/24 dir in \
priority 2 mark 0 mask 0x1 #[2]
# ip xfrm policy update src 192.168.1.1/24 dst 192.168.1.2/24 dir in \
priority 2 mark 0 mask 0x10 #[3]
Then dmesg shows:
[ ] WARNING: CPU: 1 PID: 7265 at net/xfrm/xfrm_policy.c:1548
[ ] RIP: 0010:xfrm_policy_insert_list+0x2f2/0x1030
[ ] Call Trace:
[ ] xfrm_policy_inexact_insert+0x85/0xe50
[ ] xfrm_policy_insert+0x4ba/0x680
[ ] xfrm_add_policy+0x246/0x4d0
[ ] xfrm_user_rcv_msg+0x331/0x5c0
[ ] netlink_rcv_skb+0x121/0x350
[ ] xfrm_netlink_rcv+0x66/0x80
[ ] netlink_unicast+0x439/0x630
[ ] netlink_sendmsg+0x714/0xbf0
[ ] sock_sendmsg+0xe2/0x110
The issue was introduced by Commit 7cb8a93968 ("xfrm: Allow inserting
policies with matching mark and different priorities"). After that, the
policies [1] and [2] would be able to be added with different priorities.
However, policy [3] will actually match both [1] and [2]. Policy [1]
was matched due to the 1st 'return true' in xfrm_policy_mark_match(),
and policy [2] was matched due to the 2nd 'return true' in there. It
caused WARN_ON() in xfrm_policy_insert_list().
This patch is to fix it by only (the same value and priority) as the
same policy in xfrm_policy_mark_match().
Thanks to Yuehaibing, we could make this fix better.
v1->v2:
- check policy->mark.v == pol->mark.v only without mask.
Fixes: 7cb8a93968 ("xfrm: Allow inserting policies with matching mark and different priorities")
Reported-by: Xiumei Mu <xmu@redhat.com>
Signed-off-by: Xin Long <lucien.xin@gmail.com>
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
It is not valid to cache/short out selection of the mux.
mux_control_select() only locks the mux until mux_control_deselect()
is called. mux_control_deselect() may put the mux in some low power
state or some other user of the mux might select it for other purposes.
These things are probably not happening in the original setting where
this driver was developed, but it is said to be a generic SPI mux.
Also, the mux framework will short out the actual low level muxing
operation when/if that is possible.
Fixes: e9e40543ad ("spi: Add generic SPI multiplexer")
Signed-off-by: Peter Rosin <peda@axentia.se>
Link: https://lore.kernel.org/r/20200525104352.26807-1-peda@axentia.se
Signed-off-by: Mark Brown <broonie@kernel.org>
Removing the "if (IS_ERR(dir)) dir = NULL;" check only works
if we adjust the remaining code to not rely on it being NULL.
Check IS_ERR_OR_NULL() before attempting to dereference it.
I'm not actually entirely sure this fixes the syzbot crash as
the kernel config indicates that they do have DEBUG_FS in the
kernel, but this is what I found when looking there.
Cc: stable@vger.kernel.org
Fixes: d82574a8e5 ("cfg80211: no need to check return value of debugfs_create functions")
Reported-by: syzbot+fd5332e429401bf42d18@syzkaller.appspotmail.com
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Link: https://lore.kernel.org/r/20200525113816.fc4da3ec3d4b.Ica63a110679819eaa9fb3bc1b7437d96b1fd187d@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
5.7, please pull the following:
- Vincent fixes the polarity of the ACT LED on the Raspberry Pi Zero W
board
- Hamish fixes the ARM PPI interrupts sensitivy for the Hurricane 2
SoCs
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Merge tag 'arm-soc/for-5.7/devicetree-fixes-part2-v2' of https://github.com/Broadcom/stblinux into arm/fixes
This pull request contains Broadcom ARM-based SoCs Device Tree fixes for
5.7, please pull the following:
- Vincent fixes the polarity of the ACT LED on the Raspberry Pi Zero W
board
- Hamish fixes the ARM PPI interrupts sensitivy for the Hurricane 2
SoCs
* tag 'arm-soc/for-5.7/devicetree-fixes-part2-v2' of https://github.com/Broadcom/stblinux:
ARM: dts: bcm: HR2: Fix PPI interrupt types
ARM: dts: bcm2835-rpi-zero-w: Fix led polarity
Link: https://lore.kernel.org/r/20200524203714.17035-1-f.fainelli@gmail.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Propagate the error code returned by devm_platform_ioremap_resource()
out of probe() instead of overwriting it.
Fixes: 72d8cb7154 ("drivers: gpio: bcm-kona: use devm_platform_ioremap_resource()")
Signed-off-by: Tiezhu Yang <yangtiezhu@loongson.cn>
[Bartosz: tweaked the commit message]
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
When call function devm_platform_ioremap_resource(), we should use IS_ERR()
to check the return value and return PTR_ERR() if failed.
Fixes: 542c25b7a2 ("drivers: gpio: pxa: use devm_platform_ioremap_resource()")
Signed-off-by: Tiezhu Yang <yangtiezhu@loongson.cn>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
pr_cont_once() does not make sense; at least emitting module name using
pr_fmt() into middle of a line (after e.g. pr_info_once()) does not make
sense. Let's remove unused pr_cont_once().
Link: https://lore.kernel.org/r/20200524153243.11690-1-penguin-kernel@I-love.SAKURA.ne.jp
Cc: Joe Perches <joe@perches.com>
Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Acked-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Signed-off-by: Petr Mladek <pmladek@suse.com>
The data structure member “rpmb->md” was passed to a call of the function
“mmc_blk_put” after a call of the function “put_device”. Reorder these
function calls to keep the data accesses consistent.
Fixes: 1c87f73578 ("mmc: block: Fix bug when removing RPMB chardev ")
Signed-off-by: Peng Hao <richard.peng@oppo.com>
Cc: stable@vger.kernel.org
[Uffe: Fixed up mangled patch and updated commit message]
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
- Don't return a garbage screen info when EFI framebuffer is not available
- Make the early EFI console work proper with wider fonts instead of drawing
garbage
- Prevent a memory buffer leak in allocate_e820()
- Print the firmware error record proper so it can be decoded by users
- Fix a symbol clash in the host tool build which only happens with newer
compilers.
- Add a missing check for the event log version of TPM which caused boot
fails on several Dell systems due to an attempt to decode SHA-1 format
with the crypto agile algorithm
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Merge tag 'efi-urgent-2020-05-24' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull EFI fixes from Thomas Gleixner:
"A set of EFI fixes:
- Don't return a garbage screen info when EFI framebuffer is not
available
- Make the early EFI console work properly with wider fonts instead
of drawing garbage
- Prevent a memory buffer leak in allocate_e820()
- Print the firmware error record properly so it can be decoded by
users
- Fix a symbol clash in the host tool build which only happens with
newer compilers.
- Add a missing check for the event log version of TPM which caused
boot failures on several Dell systems due to an attempt to decode
SHA-1 format with the crypto agile algorithm"
* tag 'efi-urgent-2020-05-24' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
tpm: check event log version before reading final events
efi: Pull up arch-specific prototype efi_systab_show_arch()
x86/boot: Mark global variables as static
efi: cper: Add support for printing Firmware Error Record Reference
efi/libstub/x86: Avoid EFI map buffer alloc in allocate_e820()
efi/earlycon: Fix early printk for wider fonts
efi/libstub: Avoid returning uninitialized data from setup_graphics()
- Unbreak stack dumps for inactive tasks by interpreting the special
first frame left by __switch_to_asm() correctly. The recent change not
to skip the first frame so ORC and frame unwinder behave in the same
way caused all entries to be unreliable, i.e. prepended with '?'.
- Use cpumask_available() instead of an implicit NULL check of a
cpumask_var_t in mmio trace to prevent a Clang build warning
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Merge tag 'x86-urgent-2020-05-24' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Thomas Gleixner:
"Two fixes for x86:
- Unbreak stack dumps for inactive tasks by interpreting the special
first frame left by __switch_to_asm() correctly.
The recent change not to skip the first frame so ORC and frame
unwinder behave in the same way caused all entries to be
unreliable, i.e. prepended with '?'.
- Use cpumask_available() instead of an implicit NULL check of a
cpumask_var_t in mmio trace to prevent a Clang build warning"
* tag 'x86-urgent-2020-05-24' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/unwind/orc: Fix unwind_get_return_address_ptr() for inactive tasks
x86/mmiotrace: Use cpumask_available() for cpumask_var_t variables
- Fix handling of throttled parents in enqueue_task_fair() completely. The
recent fix overlooked a corner case where the first iteration terminates
do a entiry being on rq which makes the list management incomplete and
later triggers the assertion which checks for completeness.
- Fix a similar problem in unthrottle_cfs_rq().
- Show the correct uclamp values in procfs which prints the effective
value twice instead of requested and effective.
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Merge tag 'sched-urgent-2020-05-24' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull scheduler fixes from Thomas Gleixner:
"A set of fixes for the scheduler:
- Fix handling of throttled parents in enqueue_task_fair() completely.
The recent fix overlooked a corner case where the first iteration
terminates due to an entity already being on the runqueue which
makes the list management incomplete and later triggers the
assertion which checks for completeness.
- Fix a similar problem in unthrottle_cfs_rq().
- Show the correct uclamp values in procfs which prints the effective
value twice instead of requested and effective"
* tag 'sched-urgent-2020-05-24' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
sched/fair: Fix unthrottle_cfs_rq() for leaf_cfs_rq list
sched/debug: Fix requested task uclamp values shown in procfs
sched/fair: Fix enqueue_task_fair() warning some more
Pull networking fixes from David Miller:
1) Fix RCU warnings in ipv6 multicast router code, from Madhuparna
Bhowmik.
2) Nexthop attributes aren't being checked properly because of
mis-initialized iterator, from David Ahern.
3) Revert iop_idents_reserve() change as it caused performance
regressions and was just working around what is really a UBSAN bug
in the compiler. From Yuqi Jin.
4) Read MAC address properly from ROM in bmac driver (double iteration
proceeds past end of address array), from Jeremy Kerr.
5) Add Microsoft Surface device IDs to r8152, from Marc Payne.
6) Prevent reference to freed SKB in __netif_receive_skb_core(), from
Boris Sukholitko.
7) Fix ACK discard behavior in rxrpc, from David Howells.
8) Preserve flow hash across packet scrubbing in wireguard, from Jason
A. Donenfeld.
9) Cap option length properly for SO_BINDTODEVICE in AX25, from Eric
Dumazet.
10) Fix encryption error checking in kTLS code, from Vadim Fedorenko.
11) Missing BPF prog ref release in flow dissector, from Jakub Sitnicki.
12) dst_cache must be used with BH disabled in tipc, from Eric Dumazet.
13) Fix use after free in mlxsw driver, from Jiri Pirko.
14) Order kTLS key destruction properly in mlx5 driver, from Tariq
Toukan.
15) Check devm_platform_ioremap_resource() return value properly in
several drivers, from Tiezhu Yang.
* git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (71 commits)
net: smsc911x: Fix runtime PM imbalance on error
net/mlx4_core: fix a memory leak bug.
net: ethernet: ti: cpsw: fix ASSERT_RTNL() warning during suspend
net: phy: mscc: fix initialization of the MACsec protocol mode
net: stmmac: don't attach interface until resume finishes
net: Fix return value about devm_platform_ioremap_resource()
net/mlx5: Fix error flow in case of function_setup failure
net/mlx5e: CT: Correctly get flow rule
net/mlx5e: Update netdev txq on completions during closure
net/mlx5: Annotate mutex destroy for root ns
net/mlx5: Don't maintain a case of del_sw_func being null
net/mlx5: Fix cleaning unmanaged flow tables
net/mlx5: Fix memory leak in mlx5_events_init
net/mlx5e: Fix inner tirs handling
net/mlx5e: kTLS, Destroy key object after destroying the TIS
net/mlx5e: Fix allowed tc redirect merged eswitch offload cases
net/mlx5: Avoid processing commands before cmdif is ready
net/mlx5: Fix a race when moving command interface to events mode
net/mlx5: Add command entry handling completion
rxrpc: Fix a memory leak in rxkad_verify_response()
...
Remove runtime PM usage counter decrement when the
increment function has not been called to keep the
counter balanced.
Signed-off-by: Dinghao Liu <dinghao.liu@zju.edu.cn>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Merge tag 'mlx5-fixes-2020-05-22' of git://git.kernel.org/pub/scm/linux/kernel/git/saeed/linux
Saeed Mahameed says:
====================
mlx5 fixes 2020-05-22
This series introduces some fixes to mlx5 driver.
Please pull and let me know if there is any problem.
For -stable v4.13
('net/mlx5: Add command entry handling completion')
For -stable v5.2
('net/mlx5: Fix error flow in case of function_setup failure')
('net/mlx5: Fix memory leak in mlx5_events_init')
For -stable v5.3
('net/mlx5e: Update netdev txq on completions during closure')
('net/mlx5e: kTLS, Destroy key object after destroying the TIS')
('net/mlx5e: Fix inner tirs handling')
For -stable v5.6
('net/mlx5: Fix cleaning unmanaged flow tables')
('net/mlx5: Fix a race when moving command interface to events mode')
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
In function mlx4_opreq_action(), pointer "mailbox" is not released,
when mlx4_cmd_box() return and error, causing a memory leak bug.
Fix this issue by going to "out" label, mlx4_free_cmd_mailbox() can
free this pointer.
Fixes: fe6f700d6c ("net/mlx4_core: Respond to operation request by firmware")
Signed-off-by: Qiushi Wu <wu000273@umn.edu>
Signed-off-by: David S. Miller <davem@davemloft.net>
vlan_for_each() are required to be called with rtnl_lock taken, otherwise
ASSERT_RTNL() warning will be triggered - which happens now during System
resume from suspend:
cpsw_suspend()
|- cpsw_ndo_stop()
|- __hw_addr_ref_unsync_dev()
|- cpsw_purge_all_mc()
|- vlan_for_each()
|- ASSERT_RTNL();
Hence, fix it by surrounding cpsw_ndo_stop() by rtnl_lock/unlock() calls.
Fixes: 15180eca56 ("net: ethernet: ti: cpsw: fix vlan mcast")
Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
At the very end of the MACsec block initialization in the MSCC PHY
driver, the MACsec "protocol mode" is set. This setting should be set
based on the PHY id within the package, as the bank used to access the
register used depends on this. This was not done correctly, and only the
first bank was used leading to the two upper PHYs being unstable when
using the VSC8584. This patch fixes it.
Fixes: 1bbe0ecc2a ("net: phy: mscc: macsec initialization")
Signed-off-by: Antoine Tenart <antoine.tenart@bootlin.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Commit 14b41a2959 ("net: stmmac: Delete txtimer in suspend") was the
first attempt to fix a race between mod_timer() and setup_timer()
during stmmac_resume(). However the issue still exists as the commit
only addressed half of the issue.
Same race can still happen as stmmac_resume() re-attaches interface
way too early - even before hardware is fully initialized. Worse,
doing so allows network traffic to restart and stmmac_tx_timer_arm()
being called in the middle of stmmac_resume(), which re-init tx timers
in stmmac_init_coalesce(). timer_list will be corrupted and system
crashes as a result of race between mod_timer() and setup_timer().
systemd--1995 2.... 552950018us : stmmac_suspend: 4994
ksoftirq-9 0..s2 553123133us : stmmac_tx_timer_arm: 2276
systemd--1995 0.... 553127896us : stmmac_resume: 5101
systemd--320 7...2 553132752us : stmmac_tx_timer_arm: 2276
(sd-exec-1999 5...2 553135204us : stmmac_tx_timer_arm: 2276
---------------------------------
pc : run_timer_softirq+0x468/0x5e0
lr : run_timer_softirq+0x570/0x5e0
Call trace:
run_timer_softirq+0x468/0x5e0
__do_softirq+0x124/0x398
irq_exit+0xd8/0xe0
__handle_domain_irq+0x6c/0xc0
gic_handle_irq+0x60/0xb0
el1_irq+0xb8/0x180
arch_cpu_idle+0x38/0x230
default_idle_call+0x24/0x3c
do_idle+0x1e0/0x2b8
cpu_startup_entry+0x28/0x48
secondary_start_kernel+0x1b4/0x208
Fix this by deferring netif_device_attach() to the end of
stmmac_resume().
Signed-off-by: Leon Yu <leoyu@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
When call function devm_platform_ioremap_resource(), we should use IS_ERR()
to check the return value and return PTR_ERR() if failed.
Signed-off-by: Tiezhu Yang <yangtiezhu@loongson.cn>
Signed-off-by: David S. Miller <davem@davemloft.net>
The srmmu_nocache_init() uses __nocache_fix() macro to add an offset to
page table entry to access srmmu_nocache_pool.
But since sparc32 has only three actual page table levels, pgd, p4d and
pud are essentially the same thing and pgd_offset() and p4d_offset() are
no-ops, the __nocache_fix() should be done only at PUD level.
Remove __nocache_fix() for p4d_offset() and pud_offset() and keep it
only for PUD and lower levels.
Fixes: c2bc26f7ca ("sparc32: use PUD rather than PGD to get PMD in srmmu_nocache_init()")
Signed-off-by: Mike Rapoport <rppt@linux.ibm.com>
Cc: David S. Miller <davem@davemloft.net>
Cc: Anatoly Pugachev <matorola@gmail.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Merge misc fixes from Andrew Morton:
"11 fixes"
* emailed patches from Andrew Morton <akpm@linux-foundation.org>:
MAINTAINERS: add files related to kdump
z3fold: fix use-after-free when freeing handles
sparc32: use PUD rather than PGD to get PMD in srmmu_nocache_init()
MAINTAINERS: update email address for Naoya Horiguchi
sh: include linux/time_types.h for sockios
kasan: disable branch tracing for core runtime
selftests/vm/write_to_hugetlbfs.c: fix unused variable warning
selftests/vm/.gitignore: add mremap_dontunmap
rapidio: fix an error in get_user_pages_fast() error handling
x86: bitops: fix build regression
device-dax: don't leak kernel memory to user space after unloading kmem
So, turns out the kobject fix didn't quite work, so here are 4 patches
that in the end, result in just 2 driver core fixes for reported issues
that no one has had problems with.
The kobject patch that was originally in here has now been reverted, as
Guenter reported boot problems with it on some of his systems.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'driver-core-5.7-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
Pull driver core fixes from Greg KH:
"So, turns out the kobject fix didn't quite work, so here are four
patches that in the end, result in just two driver core fixes for
reported issues that no one has had problems with.
The kobject patch that was originally in here has now been reverted,
as Guenter reported boot problems with it on some of his systems"
* tag 'driver-core-5.7-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core:
Revert "kobject: Make sure the parent does not get released before its children"
kobject: Make sure the parent does not get released before its children
driver core: Fix handling of SYNC_STATE_ONLY + STATELESS device links
driver core: Fix SYNC_STATE_ONLY device link implementation
Here are some small char/misc driver fixes for 5.7-rc7 that resolve some
reported issues. Included in here are tiny fixes for the mei,
coresight, rtsx, ipack, and mhi drivers.
All of these have been in linux-next with no reported issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-5.7-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc fixes from Greg KH:
"Here are some small char/misc driver fixes for 5.7-rc7 that resolve
some reported issues. Included in here are tiny fixes for the mei,
coresight, rtsx, ipack, and mhi drivers.
All of these have been in linux-next with no reported issues"
* tag 'char-misc-5.7-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc:
misc: rtsx: Add short delay after exit from ASPM
bus: mhi: core: Fix some error return code
ipack: tpci200: fix error return code in tpci200_register()
coresight: cti: remove incorrect NULL return check
mei: release me_cl object reference
Here are some small staging and IIO driver fixes for 5.7-rc7
Nothing major, just a collection of IIO driver fixes for reported
issues, and a few small staging driver fixes that people have found.
Full details are in the shortlog.
All of these have been in linux-next for a while with no reported
issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'staging-5.7-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
Pull staging/iio fixes from Greg KH:
"Here are some small staging and IIO driver fixes for 5.7-rc7
Nothing major, just a collection of IIO driver fixes for reported
issues, and a few small staging driver fixes that people have found.
Full details are in the shortlog.
All of these have been in linux-next for a while with no reported
issues"
* tag 'staging-5.7-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging:
staging: wfx: unlock on error path
staging: greybus: Fix uninitialized scalar variable
staging: kpc2000: fix error return code in kp2000_pcie_probe()
iio: sca3000: Remove an erroneous 'get_device()'
iio: adc: stm32-dfsdm: fix device used to request dma
iio: adc: stm32-adc: fix device used to request dma
iio: adc: ti-ads8344: Fix channel selection
staging: iio: ad2s1210: Fix SPI reading
iio: dac: vf610: Fix an error handling path in 'vf610_dac_probe()'
iio: imu: st_lsm6dsx: unlock on error in st_lsm6dsx_shub_write_raw()
iio: chemical: atlas-sensor: correct DO-SM channels
Here is a single serial driver fix for 5.7-rc7. It resolves an issue
with the SiFive serial console init sequence that was reported a number
of times.
It has been in linux-next for a while now with no reported issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'tty-5.7-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
Pull tty/serial fix from Greg KH:
"Here is a single serial driver fix for 5.7-rc7. It resolves an issue
with the SiFive serial console init sequence that was reported a
number of times.
It has been in linux-next for a while now with no reported issues"
* tag 'tty-5.7-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty:
tty: serial: add missing spin_lock_init for SiFive serial console
- Add missing R_390_JMP_SLOT relocation type in KASLR code.
- Fix set_huge_pte_at for empty ptes issue which has been uncovered with
arch page table helper tests.
- Correct initrd location for kdump kernel.
- Fix s390_mmio_read/write with MIO in PCI code.
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Merge tag 's390-5.7-4' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Pull s390 fixes from Vasily Gorbik:
- Add missing R_390_JMP_SLOT relocation type in KASLR code.
- Fix set_huge_pte_at for empty ptes issue which has been uncovered
with arch page table helper tests.
- Correct initrd location for kdump kernel.
- Fix s390_mmio_read/write with MIO in PCI code.
* tag 's390-5.7-4' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
s390/kaslr: add support for R_390_JMP_SLOT relocation type
s390/mm: fix set_huge_pte_at() for empty ptes
s390/kexec_file: fix initrd location for kdump kernel
s390/pci: Fix s390_mmio_read/write with MIO
Kdump is implemented based on kexec, however some files are only related
to crash dumping and missing, add them to KDUMP entry.
Signed-off-by: Baoquan He <bhe@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Acked-by: Dave Young <dyoung@redhat.com>
Link: http://lkml.kernel.org/r/20200520103633.GW5029@MiWiFi-R3L-srv
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
free_handle() for a foreign handle may race with inter-page compaction,
what can lead to memory corruption.
To avoid that, take write lock not read lock in free_handle to be
synchronized with __release_z3fold_page().
For example KASAN can detect it:
==================================================================
BUG: KASAN: use-after-free in LZ4_decompress_safe+0x2c4/0x3b8
Read of size 1 at addr ffffffc976695ca3 by task GoogleApiHandle/4121
CPU: 0 PID: 4121 Comm: GoogleApiHandle Tainted: P S OE 4.19.81-perf+ #162
Hardware name: Sony Mobile Communications. PDX-203(KONA) (DT)
Call trace:
LZ4_decompress_safe+0x2c4/0x3b8
lz4_decompress_crypto+0x3c/0x70
crypto_decompress+0x58/0x70
zcomp_decompress+0xd4/0x120
...
Apart from that, initialize zhdr->mapped_count in init_z3fold_page() and
remove "newpage" variable because it is not used anywhere.
Signed-off-by: Uladzislau Rezki <uladzislau.rezki@sony.com>
Signed-off-by: Vitaly Wool <vitaly.wool@konsulko.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Cc: Qian Cai <cai@lca.pw>
Cc: Raymond Jennings <shentino@gmail.com>
Cc: <stable@vger.kernel.org>
Link: http://lkml.kernel.org/r/20200520082100.28876-1-vitaly.wool@konsulko.com
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
The kbuild test robot reported the following warning:
arch/sparc/mm/srmmu.c: In function 'srmmu_nocache_init': arch/sparc/mm/srmmu.c:300:9: error: variable 'pud' set but not used [-Werror=unused-but-set-variable]
300 | pud_t *pud;
This warning is caused by misprint in the page table traversal in
srmmu_nocache_init() function which accessed a PMD entry using PGD
rather than PUD.
Since sparc32 has only 3 page table levels, the PGD and PUD are
essentially the same and usage of __nocache_fix() removed the type
checking.
Use PUD for the consistency and to silence the compiler warning.
Fixes: 7235db268a ("sparc32: use pgtable-nopud instead of 4level-fixup")
Reported-by: kbuild test robot <lkp@intel.com>
Signed-off-by: Mike Rapoport <rppt@linux.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Cc: David S. Miller <davem@davemloft.net>
Cc: Anatoly Pugachev <matorola@gmail.com>
Cc: <stable@vger.kernel.org>
Link: http://lkml.kernel.org/r/20200520132005.GM1059226@linux.ibm.com
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
My email address has changed due to system upgrade, so please update it
in MAINTAINERS list. My old address (n-horiguchi@ah.jp.nec.com) will be
still active for a few months.
Note that my email system has some encoding issue and can't send patches
in raw format via git-send-email. So patches from me will be delivered
via my free address (nao.horiguchi@gmail.com) or GitHub.
Signed-off-by: Naoya Horiguchi <naoya.horiguchi@nec.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Link: http://lkml.kernel.org/r/1589874488-9247-1-git-send-email-naoya.horiguchi@nec.com
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Using the socket ioctls on arch/sh (and only there) causes build time
problems when __kernel_old_timeval/__kernel_old_timespec are not already
visible to the compiler.
Add an explict include line for the header that defines these
structures.
Fixes: 8c709f9a06 ("y2038: sh: remove timeval/timespec usage from headers")
Fixes: 0768e17073 ("net: socket: implement 64-bit timestamps")
Reported-by: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Tested-by: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>
Cc: Yoshinori Sato <ysato@users.sourceforge.jp>
Cc: Rich Felker <dalias@libc.org>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>
Cc: <stable@vger.kernel.org>
Link: http://lkml.kernel.org/r/20200519131327.1836482-1-arnd@arndb.de
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
