IPvlan in L3 mode discards outbound multicast packets but performs
the check before ensuring the ether-header is set or not. This is
an error that Eric found through code browsing.
Fixes: 2ad7bf3638 (“ipvlan: Initial check-in of the IPVLAN driver.”)
Signed-off-by: Mahesh Bandewar <maheshb@google.com>
Reported-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
It's a resource, not a parameter, so we can't copy it into the new
channel's TX queues, otherwise aliasing will lead to resource-
management bugs if the channel is subsequently torn down without
being initialised.
Before the Fixes:-tagged commit there was a similar bug with
tsoh_page, but I'm not sure it's worth doing another fix for such
old kernels.
Fixes: e9117e5099 ("sfc: Firmware-Assisted TSO version 2")
Suggested-by: Derek Shute <Derek.Shute@stratus.com>
Signed-off-by: Edward Cree <ecree@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
- Make the default option oldconfig instead of randconfig
(one too many times I lost my config because I left the build type out)
- Add timeout to ssh sync to sync before reboot (prevents test hangs)
- A couple of spelling fix patches
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Merge tag 'ktest-v5.6' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-ktest
Pull Ktest fixes and clean ups from Steven Rostedt:
- Make the default option oldconfig instead of randconfig (one too many
times I lost my config because I left the build type out)
- Add timeout to ssh sync to sync before reboot (prevents test hangs)
- A couple of spelling fix patches
* tag 'ktest-v5.6' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-ktest:
ktest: Fix typos in ktest.pl
ktest: Add timeout for ssh sync testing
ktest: Make default build option oldconfig not randconfig
ktest: Fix some typos in sample.conf
- sdhci-msm: Silence warning about turning function into static
- sdhci-pci-gli: Fix support for GL975x by enabling MSI interrupt
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Merge tag 'mmc-v5.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc
Pull MMC host fixes from Ulf Hansson:
- sdhci-msm: Silence warning about turning function into static
- sdhci-pci-gli: Fix support for GL975x by enabling MSI interrupt
* tag 'mmc-v5.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc:
mmc: sdhci-pci-gli: Enable MSI interrupt for GL975x
mmc: sdhci-msm: Mark sdhci_msm_cqe_disable static
Some bug fixes all over the place.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost
Pull virtio fixes from Michael Tsirkin:
"Some bug fixes all over the place"
* tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost:
virtio_balloon: Adjust label in virtballoon_probe
virtio-blk: improve virtqueue error to BLK_STS
virtio-blk: fix hw_queue stopped on arbitrary error
virtio_ring: Fix mem leak with vring_new_virtqueue()
The alloc_pid() codepath used to be simpler. With the introducation of the
ability to choose specific pids in 49cb2fc42c ("fork: extend clone3() to
support setting a PID") it got more complex. It hasn't been super obvious
that ENOMEM is returned when the pid namespace init process/child subreaper
of the pid namespace has died. As can be seen from multiple attempts to
improve this see e.g. [1] and most recently [2].
We regressed returning ENOMEM in [3] and [2] restored it. Let's add a
comment on top explaining that this is historic and documented behavior and
cannot easily be changed.
[1]: 35f71bc0a0 ("fork: report pid reservation failure properly")
[2]: b26ebfe12f ("pid: Fix error return value in some cases")
[3]: 49cb2fc42c ("fork: extend clone3() to support setting a PID")
Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>
The recent futex inode life time fix changed the ordering of the futex key
union struct members, but forgot to adjust the hash function accordingly,
As a result the hashing omits the leading 64bit and even hashes beyond the
futex key causing a bad hash distribution which led to a ~100% performance
regression.
Hand in the futex key pointer instead of a random struct member and make
the size calculation based of the struct offset.
Fixes: 8019ad13ef ("futex: Fix inode life-time issue")
Reported-by: Rong Chen <rong.a.chen@intel.com>
Decoded-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Tested-by: Rong Chen <rong.a.chen@intel.com>
Link: https://lkml.kernel.org/r/87h7yy90ve.fsf@nanos.tec.linutronix.de
The ROMC_INDEX/DATA offset was changed to e4/e5 since
from smuio_v11 (vega20/arcturus).
Signed-off-by: Hawking Zhang <Hawking.Zhang@amd.com>
Tested-by: Candice Li <Candice.Li@amd.com>
Reviewed-by: Candice Li <Candice.Li@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This patch fixes multipe spelling typo found in ktest.pl.
Link: http://lkml.kernel.org/r/20200309115430.57540-1-standby24x7@gmail.com
Acked-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Masanari Iida <standby24x7@gmail.com>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Before rebooting the box, a "ssh sync" is called to the test machine to see
if it is alive or not. But if the test machine is in a partial state, that
ssh may never actually finish, and the ktest test hangs.
Add a 10 second timeout to the sync test, which will fail after 10 seconds
and then cause the test to reboot the test machine.
Cc: stable@vger.kernel.org
Fixes: 6474ace999 ("ktest.pl: Powercycle the box on reboot if no connection can be made")
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
For the last time, I screwed up my ktest config file, and the build went
into the default "randconfig", blowing away the .config that I had set up.
The reason for the default randconfig was because when this was first
written, I wanted to do a bunch of randconfigs. But as time progressed,
ktest isn't about randconfig anymore, and because randconfig destroys the
config in the build directory, it's a dangerous default to have. Use
oldconfig as the default.
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
This patch fixes some spelling typo in sample.conf
Link: http://lkml.kernel.org/r/20190930124925.20250-1-standby24x7@gmail.com
Acked-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Masanari Iida <standby24x7@gmail.com>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
[why]
nv14 previously inherited soc bb from generic dcn 2, did not match
watermark values according to memory team
[how]
add nv14 specific soc bb: copy nv2 generic that it was
using from before, but changed num channels to 8
Signed-off-by: Martin Leung <martin.leung@amd.com>
Reviewed-by: Jun Lei <Jun.Lei@amd.com>
Acked-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
The hierarchical parts of MSM pinctrl/GPIO is only
used when the device tree has a "wakeup-parent" as
a phandle, but the .irq_eoi is anyway assigned leading
to semantic problems on elder Qualcomm chipsets.
When the drivers/mfd/qcom-pm8xxx.c driver calls
chained_irq_exit() that call will in turn call chip->irq_eoi()
which is set to irq_chip_eoi_parent() by default on a
hierachical IRQ chip, and the parent is pinctrl-msm.c
so that will in turn unconditionally call
irq_chip_eoi_parent() again, but its parent is invalid
so we get the following crash:
Unnable to handle kernel NULL pointer dereference at
virtual address 00000010
pgd = (ptrval)
[00000010] *pgd=00000000
Internal error: Oops: 5 [#1] PREEMPT SMP ARM
(...)
PC is at irq_chip_eoi_parent+0x4/0x10
LR is at pm8xxx_irq_handler+0x1b4/0x2d8
If we solve this crash by avoiding to call up to
irq_chip_eoi_parent(), the machine will hang and get
reset by the watchdog, because of semantic issues,
probably inside irq_chip.
As a solution, just assign the .irq_eoi conditionally if
we are actually using a wakeup parent.
Cc: David Heidelberg <david@ixit.cz>
Cc: Bjorn Andersson <bjorn.andersson@linaro.org>
Cc: Lina Iyer <ilina@codeaurora.org>
Cc: Stephen Boyd <swboyd@chromium.org>
Cc: stable@vger.kernel.org
Fixes: e35a6ae0eb ("pinctrl/msm: Setup GPIO chip in hierarchy")
Link: https://lore.kernel.org/r/20200306121221.1231296-1-linus.walleij@linaro.org
Link: https://lore.kernel.org/r/20200309125207.571840-1-linus.walleij@linaro.org
Link: https://lore.kernel.org/r/20200309152604.585112-1-linus.walleij@linaro.org
Tested-by: David Heidelberg <david@ixit.cz>
Acked-by: Marc Zyngier <maz@kernel.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
We are parsing SSBI gpios as fourcell fwspecs but they are
twocell. Probably a simple copy-and-paste bug.
Tested on the APQ8060 DragonBoard and after this ethernet
and MMC card detection works again.
Cc: Bjorn Andersson <bjorn.andersson@linaro.org>
Cc: stable@vger.kernel.org
Reviewed-by: Brian Masney <masneyb@onstation.org>
Fixes: ae436fe810 ("pinctrl: ssbi-gpio: convert to hierarchical IRQ helpers in gpio core")
Link: https://lore.kernel.org/r/20200306143416.1476250-1-linus.walleij@linaro.org
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
The MIDI input event parser of the LINE6 driver may enter into an
endless loop when the unexpected data sequence is given, as it tries
to continue the secondary bytes without termination. Also, when the
input data is too short, the parser returns a negative error, while
the caller doesn't handle it properly. This would lead to the
unexpected behavior as well.
This patch addresses those issues by checking the return value
correctly and handling the one-byte event in the parser properly.
The bug was reported by syzkaller.
Reported-by: syzbot+cce32521ee0a824c21f7@syzkaller.appspotmail.com
Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/000000000000033087059f8f8fa3@google.com
Link: https://lore.kernel.org/r/20200309095922.30269-1-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Each OSS PCM plugins allocate its internal buffer per pre-calculation
of the max buffer size through the chain of plugins (calling
src_frames and dst_frames callbacks). This works for most plugins,
but the rate plugin might behave incorrectly. The calculation in the
rate plugin involves with the fractional position, i.e. it may vary
depending on the input position. Since the buffer size
pre-calculation is always done with the offset zero, it may return a
shorter size than it might be; this may result in the out-of-bound
access as spotted by fuzzer.
This patch addresses those possible buffer overflow accesses by simply
setting the upper limit per the given buffer size for each plugin
before src_frames() and after dst_frames() calls.
Reported-by: syzbot+e1fe9f44fb8ecf4fb5dd@syzkaller.appspotmail.com
Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/000000000000b25ea005a02bcf21@google.com
Link: https://lore.kernel.org/r/20200309082148.19855-1-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
In commit 1ec17dbd90 ("inet_diag: fix reporting cgroup classid and
fallback to priority") croup classid reporting was fixed. But this works
only for TCP sockets because for other socket types icsk parameter can
be NULL and classid code path is skipped. This change moves classid
handling to inet_diag_msg_attrs_fill() function.
Also inet_diag_msg_attrs_size() helper was added and addends in
nlmsg_new() were reordered to save order from inet_sk_diag_fill().
Fixes: 1ec17dbd90 ("inet_diag: fix reporting cgroup classid and fallback to priority")
Signed-off-by: Dmitry Yakunin <zeil@yandex-team.ru>
Reviewed-by: Konstantin Khlebnikov <khlebnikov@yandex-team.ru>
Signed-off-by: David S. Miller <davem@davemloft.net>
ACS (auto PAD/FCS stripping) removes FCS off 802.3 packets (LLC) so that
there is no need to manually strip it for such packets. The enhanced DMA
descriptors allow to flag LLC packets so that the receiving callback can
use that to strip FCS manually or not. On the other hand, normal
descriptors do not support that.
Thus in order to not truncate LLC packet ACS should be disabled when
using normal DMA descriptors.
Fixes: 47dd7a540b ("net: add support for STMicroelectronics Ethernet controllers.")
Signed-off-by: Remi Pommarel <repk@triplefau.lt>
Signed-off-by: David S. Miller <davem@davemloft.net>
There is a problem when ipvlan slaves are created on a master device that
is a vmxnet3 device (ipvlan in VMware guests). The vmxnet3 driver does not
support unicast address filtering. When an ipvlan device is brought up in
ipvlan_open(), the ipvlan driver calls dev_uc_add() to add the hardware
address of the vmxnet3 master device to the unicast address list of the
master device, phy_dev->uc. This inevitably leads to the vmxnet3 master
device being forced into promiscuous mode by __dev_set_rx_mode().
Promiscuous mode is switched on the master despite the fact that there is
still only one hardware address that the master device should use for
filtering in order for the ipvlan device to be able to receive packets.
The comment above struct net_device describes the uc_promisc member as a
"counter, that indicates, that promiscuous mode has been enabled due to
the need to listen to additional unicast addresses in a device that does
not implement ndo_set_rx_mode()". Moreover, the design of ipvlan
guarantees that only the hardware address of a master device,
phy_dev->dev_addr, will be used to transmit and receive all packets from
its ipvlan slaves. Thus, the unicast address list of the master device
should not be modified by ipvlan_open() and ipvlan_stop() in order to make
ipvlan a workable option on masters that do not support unicast address
filtering.
Fixes: 2ad7bf3638 ("ipvlan: Initial check-in of the IPVLAN driver")
Reported-by: Per Sundstrom <per.sundstrom@redqube.se>
Signed-off-by: Jiri Wiesner <jwiesner@suse.com>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Acked-by: Mahesh Bandewar <maheshb@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
After more careful studying, Paul informs me that we cannot rely on
ordering of RCU callbacks in the way that the the tagged commit did.
The current construct looks like this:
void C(struct rcu_head *rhp)
{
do_something(rhp);
call_rcu(&p->rh, B);
}
call_rcu(&p->rh, A);
call_rcu(&p->rh, C);
and we're relying on ordering between A and B, which isn't guaranteed.
Make this explicit instead, and have a work item issue the rcu_barrier()
to ensure that A has run before we manually execute B.
While thorough testing never showed this issue, it's dependent on the
per-cpu load in terms of RCU callbacks. The updated method simplifies
the code as well, and eliminates the need to maintain an rcu_head in
the fileset data.
Fixes: c1e2148f8e ("io_uring: free fixed_file_data after RCU grace period")
Reported-by: Paul E. McKenney <paulmck@kernel.org>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
We've been accruing these for a couple of weeks, so the batch is a bit
bigger than usual.
Largest delta is due to a led-bl driver that is added -- there was
a miscommunication before the merge window and the driver didn't make it
in. Due to this, the platforms needing it regressed. At this point, it
seemed easier to add the new driver than unwind the changes.
Besides that, there are a handful of various fixes:
- AMD tee memory leak fix
- A handful of fixlets for i.MX SCU communication
- A few maintainers woke up and realized DEBUG_FS had been missing for
a while, so a few updates of that.
... and the usual collection of smaller fixes to various platforms.
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Merge tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM SoC fixes from Olof Johansson:
"We've been accruing these for a couple of weeks, so the batch is a bit
bigger than usual.
Largest delta is due to a led-bl driver that is added -- there was a
miscommunication before the merge window and the driver didn't make it
in. Due to this, the platforms needing it regressed. At this point, it
seemed easier to add the new driver than unwind the changes.
Besides that, there are a handful of various fixes:
- AMD tee memory leak fix
- A handful of fixlets for i.MX SCU communication
- A few maintainers woke up and realized DEBUG_FS had been missing
for a while, so a few updates of that.
... and the usual collection of smaller fixes to various platforms"
* tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (37 commits)
ARM: socfpga_defconfig: Add back DEBUG_FS
arm64: dts: socfpga: agilex: Fix gmac compatible
ARM: bcm2835_defconfig: Explicitly restore CONFIG_DEBUG_FS
arm64: dts: meson: fix gxm-khadas-vim2 wifi
arm64: dts: meson-sm1-sei610: add missing interrupt-names
ARM: meson: Drop unneeded select of COMMON_CLK
ARM: dts: bcm2711: Add pcie0 alias
ARM: dts: bcm283x: Add missing properties to the PWR LED
tee: amdtee: fix memory leak in amdtee_open_session()
ARM: OMAP2+: Fix compile if CONFIG_HAVE_ARM_SMCCC is not set
arm: dts: dra76x: Fix mmc3 max-frequency
ARM: dts: dra7: Add "dma-ranges" property to PCIe RC DT nodes
bus: ti-sysc: Fix 1-wire reset quirk
ARM: dts: r8a7779: Remove deprecated "renesas, rcar-sata" compatible value
soc: imx-scu: Align imx sc msg structs to 4
firmware: imx: Align imx_sc_msg_req_cpu_start to 4
firmware: imx: scu-pd: Align imx sc msg structs to 4
firmware: imx: misc: Align imx sc msg structs to 4
firmware: imx: scu: Ensure sequential TX
ARM: dts: imx7-colibri: Fix frequency for sd/mmc
...
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Merge tag 'edac_urgent-2020-03-08' of git://git.kernel.org/pub/scm/linux/kernel/git/ras/ras
Pull EDAC fix from Borislav Petkov:
"Error reporting fix for synopsys_edac: do not overwrite partial
decoded error message (Sherry Sun)"
* tag 'edac_urgent-2020-03-08' of git://git.kernel.org/pub/scm/linux/kernel/git/ras/ras:
EDAC/synopsys: Do not print an error with back-to-back snprintf() calls
pa_laser_ping_cfg should be set in of_ping_match
instead of pa_ping_cfg.
Fixes: 7bb501f49d ("iio: ping: add parallax ping sensors")
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Acked-by: Andreas Klinger <ak@it-klinger.de>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
SPS30 uses triggered buffer, but the dependency is not specified in the
Kconfig file. Fix this by selecting IIO_BUFFER and IIO_TRIGGERED_BUFFER
config symbols.
Cc: stable@vger.kernel.org
Fixes: 232e0f6dde ("iio: chemical: add support for Sensirion SPS30 sensor")
Signed-off-by: Petr Štetiar <ynezz@true.cz>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
According to ST, the HID is for LIS2DH12.
Fixes: 3d56e19815 ("iio: accel: st_accel: Add support for the SMO8840 ACPI id")
Signed-off-by: Wen-chien Jesse Sung <jesse.sung@canonical.com>
Tested-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Vishay has published a new version of "Designing the VCNL4200 Into an
Application" application note in October 2019. The new version specifies
that there is +-20% of part to part tolerance. Although the application
note is related to vcnl4200, according to support the vcnl4040's "ASIC
is quite similar to that one for the VCNL4200".
So update the sampling periods (and comment), including the correct
sampling period for proximity. Both sampling periods are lower. Users
relying on the blocking behaviour of reading will get proximity
measurements much earlier.
Fixes: 5a441aade5 ("iio: light: vcnl4000 add support for the VCNL4040 proximity and light sensor")
Reviewed-by: Guido Günther <agx@sigxcpu.org>
Tested-by: Guido Günther <agx@sigxcpu.org>
Signed-off-by: Tomas Novotny <tomas@novotny.cz>
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Vishay has published a new version of "Designing the VCNL4200 Into an
Application" application note in October 2019. The new version specifies
that there is +-20% of part to part tolerance. This explains the drift
seen during experiments. The proximity pulse width is also changed from
32us to 30us. According to the support, the tolerance also applies to
ambient light.
So update the sampling periods. As the reading is blocking, current
users may notice slightly longer response time.
Fixes: be38866fbb ("iio: vcnl4000: add support for VCNL4200")
Reviewed-by: Guido Günther <agx@sigxcpu.org>
Signed-off-by: Tomas Novotny <tomas@novotny.cz>
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Data stored in the iio-buffer is BE and this
should be specified in the iio_chan_spec struct.
Fixes: f4f55ce38e ("iio:adxl372: Add FIFO and interrupts support")
Signed-off-by: Alexandru Tachici <alexandru.tachici@analog.com>
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Here are 4 small char/misc driver fixes for reported issues for 5.6-rc5.
These fixes are:
- binder fix for a potential use-after-free problem found (took
2 tries to get it right)
- interconnect core fix
- altera-stapl driver fix
All 4 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 'char-misc-5.6-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc fixes from Greg KH:
"Here are four small char/misc driver fixes for reported issues for
5.6-rc5.
These fixes are:
- binder fix for a potential use-after-free problem found (took two
tries to get it right)
- interconnect core fix
- altera-stapl driver fix
All four of these have been in linux-next for a while with no reported
issues"
* tag 'char-misc-5.6-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc:
binder: prevent UAF for binderfs devices II
interconnect: Handle memory allocation errors
altera-stapl: altera_get_note: prevent write beyond end of 'key'
binder: prevent UAF for binderfs devices
Here are 4 small driver core / debugfs patches for 5.6-rc3
They are:
- debugfs api cleanup now that all callers for
debugfs_create_regset32() have been fixed up. This was
waiting until after the -rc1 merge as these fixes came in
through different trees
- driver core sync state fixes based on reports of minor issues
found in the feature
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 'driver-core-5.6-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
Pull driver core and debugfs fixes from Greg KH:
"Here are four small driver core / debugfs patches for 5.6-rc3:
- debugfs api cleanup now that all debugfs_create_regset32() callers
have been fixed up. This was waiting until after the -rc1 merge as
these fixes came in through different trees
- driver core sync state fixes based on reports of minor issues found
in the feature
All of these have been in linux-next with no reported issues"
* tag 'driver-core-5.6-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core:
driver core: Skip unnecessary work when device doesn't have sync_state()
driver core: Add dev_has_sync_state()
driver core: Call sync_state() even if supplier has no consumers
debugfs: remove return value of debugfs_create_regset32()
Here are some small tty/serial fixes for 5.6-rc5
Just some small serial driver fixes, and a vt core fixup, full details
are:
- vt fixes for issues found by syzbot
- serdev fix for Apple boxes
- fsl_lpuart serial driver fixes
- MAINTAINER update for incorrect serial files
- new device ids for 8250_exar driver
- mvebu-uart fix
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 'tty-5.6-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
Pull tty/serial fixes from Greg KH:
"Here are some small tty/serial fixes for 5.6-rc5
Just some small serial driver fixes, and a vt core fixup, full details
are:
- vt fixes for issues found by syzbot
- serdev fix for Apple boxes
- fsl_lpuart serial driver fixes
- MAINTAINER update for incorrect serial files
- new device ids for 8250_exar driver
- mvebu-uart fix
All of these have been in linux-next with no reported issues"
* tag 'tty-5.6-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty:
tty: serial: fsl_lpuart: free IDs allocated by IDA
Revert "tty: serial: fsl_lpuart: drop EARLYCON_DECLARE"
serdev: Fix detection of UART devices on Apple machines.
MAINTAINERS: Add missed files related to Synopsys DesignWare UART
serial: 8250_exar: add support for ACCES cards
tty:serial:mvebu-uart:fix a wrong return
vt: selection, push sel_lock up
vt: selection, push console lock down
Here are some small USB and PHY driver fixes for reported issues for
5.6-rc5.
Included in here are:
- phy driver fixes
- new USB quirks
- USB cdns3 gadget driver fixes
- USB hub core fixes
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 'usb-5.6-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB/PHY fixes from Greg KH:
"Here are some small USB and PHY driver fixes for reported issues for
5.6-rc5.
Included in here are:
- phy driver fixes
- new USB quirks
- USB cdns3 gadget driver fixes
- USB hub core fixes
All of these have been in linux-next with no reported issues"
* tag 'usb-5.6-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb:
usb: dwc3: gadget: Update chain bit correctly when using sg list
usb: core: port: do error out if usb_autopm_get_interface() fails
usb: core: hub: do error out if usb_autopm_get_interface() fails
usb: core: hub: fix unhandled return by employing a void function
usb: storage: Add quirk for Samsung Fit flash
usb: quirks: add NO_LPM quirk for Logitech Screen Share
usb: usb251xb: fix regulator probe and error handling
phy: allwinner: Fix GENMASK misuse
usb: cdns3: gadget: toggle cycle bit before reset endpoint
usb: cdns3: gadget: link trb should point to next request
phy: mapphone-mdm6600: Fix timeouts by adding wake-up handling
phy: brcm-sata: Correct MDIO operations for 40nm platforms
phy: ti: gmii-sel: do not fail in case of gmii
phy: ti: gmii-sel: fix set of copy-paste errors
phy: core: Fix phy_get() to not return error on link creation failure
phy: mapphone-mdm6600: Fix write timeouts with shorter GPIO toggle interval
Recent changes to alloc_pid() allow the pid number to be specified on
the command line. If set_tid_size is set, then the code scanning the
levels will hard-set retval to -EPERM, overriding it's previous -ENOMEM
value.
After the code scanning the levels, there are error returns that do not
set retval, assuming it is still set to -ENOMEM.
So set retval back to -ENOMEM after scanning the levels.
Fixes: 49cb2fc42c ("fork: extend clone3() to support setting a PID")
Signed-off-by: Corey Minyard <cminyard@mvista.com>
Acked-by: Christian Brauner <christian.brauner@ubuntu.com>
Cc: Andrei Vagin <avagin@gmail.com>
Cc: Dmitry Safonov <0x7f454c46@gmail.com>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: Adrian Reber <areber@redhat.com>
Cc: <stable@vger.kernel.org> # 5.5
Link: https://lore.kernel.org/r/20200306172314.12232-1-minyard@acm.org
[christian.brauner@ubuntu.com: fixup commit message]
Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>
Clang warns when CONFIG_BALLOON_COMPACTION is unset:
../drivers/virtio/virtio_balloon.c:963:1: warning: unused label
'out_del_vqs' [-Wunused-label]
out_del_vqs:
^~~~~~~~~~~~
1 warning generated.
Move the label within the preprocessor block since it is only used when
CONFIG_BALLOON_COMPACTION is set.
Fixes: 1ad6f58ea9 ("virtio_balloon: Fix memory leaks on errors in virtballoon_probe()")
Link: https://github.com/ClangBuiltLinux/linux/issues/886
Signed-off-by: Nathan Chancellor <natechancellor@gmail.com>
Link: https://lore.kernel.org/r/20200216004039.23464-1-natechancellor@gmail.com
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Let's change the mapping between virtqueue_add errors to BLK_STS
statuses, so that -ENOSPC, which indicates virtqueue full is still
mapped to BLK_STS_DEV_RESOURCE, but -ENOMEM which indicates non-device
specific resource outage is mapped to BLK_STS_RESOURCE.
Signed-off-by: Halil Pasic <pasic@linux.ibm.com>
Link: https://lore.kernel.org/r/20200213123728.61216-3-pasic@linux.ibm.com
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Since nobody else is going to restart our hw_queue for us, the
blk_mq_start_stopped_hw_queues() is in virtblk_done() is not sufficient
necessarily sufficient to ensure that the queue will get started again.
In case of global resource outage (-ENOMEM because mapping failure,
because of swiotlb full) our virtqueue may be empty and we can get
stuck with a stopped hw_queue.
Let us not stop the queue on arbitrary errors, but only on -EONSPC which
indicates a full virtqueue, where the hw_queue is guaranteed to get
started by virtblk_done() before when it makes sense to carry on
submitting requests. Let us also remove a stale comment.
Signed-off-by: Halil Pasic <pasic@linux.ibm.com>
Cc: Jens Axboe <axboe@kernel.dk>
Fixes: f7728002c1 ("virtio_ring: fix return code on DMA mapping fails")
Link: https://lore.kernel.org/r/20200213123728.61216-2-pasic@linux.ibm.com
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
The functions vring_new_virtqueue() and __vring_new_virtqueue() are used
with split rings, and any allocations within these functions are managed
outside of the .we_own_ring flag. The commit cbeedb72b9 ("virtio_ring:
allocate desc state for split ring separately") allocates the desc state
within the __vring_new_virtqueue() but frees it only when the .we_own_ring
flag is set. This leads to a memory leak when freeing such allocated
virtqueues with the vring_del_virtqueue() function.
Fix this by moving the desc_state free code outside the flag and only
for split rings. Issue was discovered during testing with remoteproc
and virtio_rpmsg.
Fixes: cbeedb72b9 ("virtio_ring: allocate desc state for split ring separately")
Signed-off-by: Suman Anna <s-anna@ti.com>
Link: https://lore.kernel.org/r/20200224212643.30672-1-s-anna@ti.com
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Jason Wang <jasowang@redhat.com>
There is a race and a buffer overflow corrupting a kernel memory while
reading an EFI variable with a size more than 1024 bytes via the older
sysfs method. This happens because accessing struct efi_variable in
efivar_{attr,size,data}_read() and friends is not protected from
a concurrent access leading to a kernel memory corruption and, at best,
to a crash. The race scenario is the following:
CPU0: CPU1:
efivar_attr_read()
var->DataSize = 1024;
efivar_entry_get(... &var->DataSize)
down_interruptible(&efivars_lock)
efivar_attr_read() // same EFI var
var->DataSize = 1024;
efivar_entry_get(... &var->DataSize)
down_interruptible(&efivars_lock)
virt_efi_get_variable()
// returns EFI_BUFFER_TOO_SMALL but
// var->DataSize is set to a real
// var size more than 1024 bytes
up(&efivars_lock)
virt_efi_get_variable()
// called with var->DataSize set
// to a real var size, returns
// successfully and overwrites
// a 1024-bytes kernel buffer
up(&efivars_lock)
This can be reproduced by concurrent reading of an EFI variable which size
is more than 1024 bytes:
ts# for cpu in $(seq 0 $(nproc --ignore=1)); do ( taskset -c $cpu \
cat /sys/firmware/efi/vars/KEKDefault*/size & ) ; done
Fix this by using a local variable for a var's data buffer size so it
does not get overwritten.
Fixes: e14ab23dde ("efivars: efivar_entry API")
Reported-by: Bob Sanders <bob.sanders@hpe.com> and the LTP testsuite
Signed-off-by: Vladis Dronov <vdronov@redhat.com>
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20200305084041.24053-2-vdronov@redhat.com
Link: https://lore.kernel.org/r/20200308080859.21568-24-ardb@kernel.org
After FS_IOC_REMOVE_ENCRYPTION_KEY removes a key, it syncs the
filesystem and tries to get and put all inodes that were unlocked by the
key so that unused inodes get evicted via fscrypt_drop_inode().
Normally, the inodes are all clean due to the sync.
However, after the filesystem is sync'ed, userspace can modify and close
one of the files. (Userspace is *supposed* to close the files before
removing the key. But it doesn't always happen, and the kernel can't
assume it.) This causes the inode to be dirtied and have i_count == 0.
Then, fscrypt_drop_inode() failed to consider this case and indicated
that the inode can be dropped, causing the write to be lost.
On f2fs, other problems such as a filesystem freeze could occur due to
the inode being freed while still on f2fs's dirty inode list.
Fix this bug by making fscrypt_drop_inode() only drop clean inodes.
I've written an xfstest which detects this bug on ext4, f2fs, and ubifs.
Fixes: b1c0ec3599 ("fscrypt: add FS_IOC_REMOVE_ENCRYPTION_KEY ioctl")
Cc: <stable@vger.kernel.org> # v5.4+
Link: https://lore.kernel.org/r/20200305084138.653498-1-ebiggers@kernel.org
Signed-off-by: Eric Biggers <ebiggers@google.com>
- Fix busted syzkaller fix in 'get_new_pps' - this turned out to crash on
certain HW configurations
- Bug fixes for various missed things in error unwinds
- Add a missing rcu_read_lock annotation in hfi/qib
- Fix two ODP related regressions from the recent mmu notifier changes
- Several more syzkaller bugs in siw, RDMA netlink, verbs and iwcm
- Revert an old patch in CMA as it is now shown to not be allocating port
numbers properly
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma
Pull rdma fixes from Jason Gunthorpe:
"Nothing particularly exciting, some small ODP regressions from the mmu
notifier rework, another bunch of syzkaller fixes, and a bug fix for a
botched syzkaller fix in the first rc pull request.
- Fix busted syzkaller fix in 'get_new_pps' - this turned out to
crash on certain HW configurations
- Bug fixes for various missed things in error unwinds
- Add a missing rcu_read_lock annotation in hfi/qib
- Fix two ODP related regressions from the recent mmu notifier
changes
- Several more syzkaller bugs in siw, RDMA netlink, verbs and iwcm
- Revert an old patch in CMA as it is now shown to not be allocating
port numbers properly"
* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma:
RDMA/iwcm: Fix iwcm work deallocation
RDMA/siw: Fix failure handling during device creation
RDMA/nldev: Fix crash when set a QP to a new counter but QPN is missing
RDMA/odp: Ensure the mm is still alive before creating an implicit child
RDMA/core: Fix protection fault in ib_mr_pool_destroy
IB/mlx5: Fix implicit ODP race
IB/hfi1, qib: Ensure RCU is locked when accessing list
RDMA/core: Fix pkey and port assignment in get_new_pps
RMDA/cm: Fix missing ib_cm_destroy_id() in ib_cm_insert_listen()
RDMA/rw: Fix error flow during RDMA context initialization
RDMA/core: Fix use of logical OR in get_new_pps
Revert "RDMA/cma: Simplify rdma_resolve_addr() error flow"
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Merge tag 'io_uring-5.6-2020-03-07' of git://git.kernel.dk/linux-block
Pull io_uring fixes from Jens Axboe:
"Here are a few io_uring fixes that should go into this release. This
contains:
- Removal of (now) unused io_wq_flush() and associated flag (Pavel)
- Fix cancelation lockup with linked timeouts (Pavel)
- Fix for potential use-after-free when freeing percpu ref for fixed
file sets
- io-wq cancelation fixups (Pavel)"
* tag 'io_uring-5.6-2020-03-07' of git://git.kernel.dk/linux-block:
io_uring: fix lockup with timeouts
io_uring: free fixed_file_data after RCU grace period
io-wq: remove io_wq_flush and IO_WQ_WORK_INTERNAL
io-wq: fix IO_WQ_WORK_NO_CANCEL cancellation
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Merge tag 'block-5.6-2020-03-07' of git://git.kernel.dk/linux-block
Pull block fixes from Jens Axboe:
"Here are a few fixes that should go into this release. This contains:
- Revert of a bad bcache patch from this merge window
- Removed unused function (Daniel)
- Fixup for the blktrace fix from Jan from this release (Cengiz)
- Fix of deeper level bfqq overwrite in BFQ (Carlo)"
* tag 'block-5.6-2020-03-07' of git://git.kernel.dk/linux-block:
block, bfq: fix overwrite of bfq_group pointer in bfq_find_set_group()
blktrace: fix dereference after null check
Revert "bcache: ignore pending signals when creating gc and allocator thread"
block: Remove used kblockd_schedule_work_on()
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Merge tag 'media/v5.6-2' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
Pull media fixes from Mauro Carvalho Chehab:
- a fix for the media controller links in both hantro driver and in
v4l2-mem2mem core
- some fixes for the pulse8-cec driver
- vicodec: handle alpha channel for RGB32 formats, as it may be used
- mc-entity.c: fix handling of pad flags
* tag 'media/v5.6-2' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media:
media: hantro: Fix broken media controller links
media: mc-entity.c: use & to check pad flags, not ==
media: v4l2-mem2mem.c: fix broken links
media: vicodec: process all 4 components for RGB32 formats
media: pulse8-cec: close serio in disconnect, not adap_free
media: pulse8-cec: INIT_DELAYED_WORK was called too late
