Current release - new code bugs:
- clear msg_get_inq in __sys_recvfrom() and __copy_msghdr_from_user()
- mptcp:
- invoke MP_FAIL response only when needed
- fix shutdown vs fallback race
- consistent map handling on failure
- octeon_ep: use bitwise AND
Previous releases - regressions:
- tipc: move bc link creation back to tipc_node_create, fix NPD
Previous releases - always broken:
- tcp: add a missing nf_reset_ct() in 3WHS handling, prevent socket
buffered skbs from keeping refcount on the conntrack module
- ipv6: take care of disable_policy when restoring routes
- tun: make sure to always disable and unlink NAPI instances
- phy: don't trigger state machine while in suspend
- netfilter: nf_tables: avoid skb access on nf_stolen
- asix: fix "can't send until first packet is send" issue
- usb: asix: do not force pause frames support
- nxp-nci: don't issue a zero length i2c_master_read()
Misc:
- ncsi: allow use of proper "mellanox" DT vendor prefix
- act_api: add a message for user space if any actions were already
flushed before the error was hit
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-5.19-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Jakub Kicinski:
"Including fixes from netfilter.
Current release - new code bugs:
- clear msg_get_inq in __sys_recvfrom() and __copy_msghdr_from_user()
- mptcp:
- invoke MP_FAIL response only when needed
- fix shutdown vs fallback race
- consistent map handling on failure
- octeon_ep: use bitwise AND
Previous releases - regressions:
- tipc: move bc link creation back to tipc_node_create, fix NPD
Previous releases - always broken:
- tcp: add a missing nf_reset_ct() in 3WHS handling to prevent socket
buffered skbs from keeping refcount on the conntrack module
- ipv6: take care of disable_policy when restoring routes
- tun: make sure to always disable and unlink NAPI instances
- phy: don't trigger state machine while in suspend
- netfilter: nf_tables: avoid skb access on nf_stolen
- asix: fix "can't send until first packet is send" issue
- usb: asix: do not force pause frames support
- nxp-nci: don't issue a zero length i2c_master_read()
Misc:
- ncsi: allow use of proper "mellanox" DT vendor prefix
- act_api: add a message for user space if any actions were already
flushed before the error was hit"
* tag 'net-5.19-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (55 commits)
net: dsa: felix: fix race between reading PSFP stats and port stats
selftest: tun: add test for NAPI dismantle
net: tun: avoid disabling NAPI twice
net: sparx5: mdb add/del handle non-sparx5 devices
net: sfp: fix memory leak in sfp_probe()
mlxsw: spectrum_router: Fix rollback in tunnel next hop init
net: rose: fix UAF bugs caused by timer handler
net: usb: ax88179_178a: Fix packet receiving
net: bonding: fix use-after-free after 802.3ad slave unbind
ipv6: fix lockdep splat in in6_dump_addrs()
net: phy: ax88772a: fix lost pause advertisement configuration
net: phy: Don't trigger state machine while in suspend
usbnet: fix memory allocation in helpers
selftests net: fix kselftest net fatal error
NFC: nxp-nci: don't print header length mismatch on i2c error
NFC: nxp-nci: Don't issue a zero length i2c_master_read()
net: tipc: fix possible refcount leak in tipc_sk_create()
nfc: nfcmrvl: Fix irq_of_parse_and_map() return value
net: ipv6: unexport __init-annotated seg6_hmac_net_init()
ipv6/sit: fix ipip6_tunnel_get_prl return value
...
Three minor bug fixes:
- qedr not setting the QP timeout properly toward userspace
- Memory leak on error path in ib_cm
- Divide by 0 in RDMA interrupt moderation
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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:
"Three minor bug fixes:
- qedr not setting the QP timeout properly toward userspace
- Memory leak on error path in ib_cm
- Divide by 0 in RDMA interrupt moderation"
* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma:
linux/dim: Fix divide by 0 in RDMA DIM
RDMA/cm: Fix memory leak in ib_cm_insert_listen
RDMA/qedr: Fix reporting QP timeout attribute
Pull fanotify fix from Jan Kara:
"A fix for recently added fanotify API to have stricter checks and
refuse some invalid flag combinations to make our life easier in the
future"
* tag 'fsnotify_for_v5.19-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs:
fanotify: refine the validation checks on non-dir inode mask
Upon system sleep, mdio_bus_phy_suspend() stops the phy_state_machine(),
but subsequent interrupts may retrigger it:
They may have been left enabled to facilitate wakeup and are not
quiesced until the ->suspend_noirq() phase. Unwanted interrupts may
hence occur between mdio_bus_phy_suspend() and dpm_suspend_noirq(),
as well as between dpm_resume_noirq() and mdio_bus_phy_resume().
Retriggering the phy_state_machine() through an interrupt is not only
undesirable for the reason given in mdio_bus_phy_suspend() (freezing it
midway with phydev->lock held), but also because the PHY may be
inaccessible after it's suspended: Accesses to USB-attached PHYs are
blocked once usb_suspend_both() clears the can_submit flag and PHYs on
PCI network cards may become inaccessible upon suspend as well.
Amend phy_interrupt() to avoid triggering the state machine if the PHY
is suspended. Signal wakeup instead if the attached net_device or its
parent has been configured as a wakeup source. (Those conditions are
identical to mdio_bus_phy_may_suspend().) Postpone handling of the
interrupt until the PHY has resumed.
Before stopping the phy_state_machine() in mdio_bus_phy_suspend(),
wait for a concurrent phy_interrupt() to run to completion. That is
necessary because phy_interrupt() may have checked the PHY's suspend
status before the system sleep transition commenced and it may thus
retrigger the state machine after it was stopped.
Likewise, after re-enabling interrupt handling in mdio_bus_phy_resume(),
wait for a concurrent phy_interrupt() to complete to ensure that
interrupts which it postponed are properly rerun.
The issue was exposed by commit 1ce8b37241 ("usbnet: smsc95xx: Forward
PHY interrupts to PHY driver to avoid polling"), but has existed since
forever.
Fixes: 541cd3ee00 ("phylib: Fix deadlock on resume")
Link: https://lore.kernel.org/netdev/a5315a8a-32c2-962f-f696-de9a26d30091@samsung.com/
Reported-by: Marek Szyprowski <m.szyprowski@samsung.com>
Tested-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Lukas Wunner <lukas@wunner.de>
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Cc: stable@vger.kernel.org # v2.6.33+
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://lore.kernel.org/r/b7f386d04e9b5b0e2738f0125743e30676f309ef.1656410895.git.lukas@wunner.de
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Commit ceaf69f8ea ("fanotify: do not allow setting dirent events in
mask of non-dir") added restrictions about setting dirent events in the
mask of a non-dir inode mark, which does not make any sense.
For backward compatibility, these restictions were added only to new
(v5.17+) APIs.
It also does not make any sense to set the flags FAN_EVENT_ON_CHILD or
FAN_ONDIR in the mask of a non-dir inode. Add these flags to the
dir-only restriction of the new APIs as well.
Move the check of the dir-only flags for new APIs into the helper
fanotify_events_supported(), which is only called for FAN_MARK_ADD,
because there is no need to error on an attempt to remove the dir-only
flags from non-dir inode.
Fixes: ceaf69f8ea ("fanotify: do not allow setting dirent events in mask of non-dir")
Link: https://lore.kernel.org/linux-fsdevel/20220627113224.kr2725conevh53u4@quack3.lan/
Link: https://lore.kernel.org/r/20220627174719.2838175-1-amir73il@gmail.com
Signed-off-by: Amir Goldstein <amir73il@gmail.com>
Signed-off-by: Jan Kara <jack@suse.cz>
Fixes all over the place, most notably we are disabling
IRQ hardening (again!).
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:
"Fixes all over the place, most notably we are disabling
IRQ hardening (again!)"
* tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost:
virtio_ring: make vring_create_virtqueue_split prettier
vhost-vdpa: call vhost_vdpa_cleanup during the release
virtio_mmio: Restore guest page size on resume
virtio_mmio: Add missing PM calls to freeze/restore
caif_virtio: fix race between virtio_device_ready() and ndo_open()
virtio-net: fix race between ndo_open() and virtio_device_ready()
virtio: disable notification hardening by default
virtio: Remove unnecessary variable assignments
virtio_ring : keep used_wrap_counter in vq->last_used_idx
vduse: Tie vduse mgmtdev and its device
vdpa/mlx5: Initialize CVQ vringh only once
vdpa/mlx5: Update Control VQ callback information
A number of fixes have accumulated, but they are largely for
harmless issues:
- Several OF node leak fixes
- A fix to the Exynos7885 UART clock description
- DTS fixes to prevent boot failures on TI AM64 and J721s2
- Bus probe error handling fixes for Baikal-T1
- A fixup to the way STM32 SoCs use separate dts files for
different firmware stacks
- Multiple code fixes for Arm SCMI firmware, all dealing with
robustness of the implementation
- Multiple NXP i.MX devicetree fixes, addressing incorrect
data in DT nodes
- Three updates to the MAINTAINERS file, including Florian
Fainelli taking over BCM283x/BCM2711 (Raspberry Pi)
from Nicolas Saenz Julienne
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Merge tag 'soc-fixes-5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM SoC fixes from Arnd Bergmann:
"A number of fixes have accumulated, but they are largely for harmless
issues:
- Several OF node leak fixes
- A fix to the Exynos7885 UART clock description
- DTS fixes to prevent boot failures on TI AM64 and J721s2
- Bus probe error handling fixes for Baikal-T1
- A fixup to the way STM32 SoCs use separate dts files for different
firmware stacks
- Multiple code fixes for Arm SCMI firmware, all dealing with
robustness of the implementation
- Multiple NXP i.MX devicetree fixes, addressing incorrect data in DT
nodes
- Three updates to the MAINTAINERS file, including Florian Fainelli
taking over BCM283x/BCM2711 (Raspberry Pi) from Nicolas Saenz
Julienne"
* tag 'soc-fixes-5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (29 commits)
ARM: dts: aspeed: nuvia: rename vendor nuvia to qcom
arm: mach-spear: Add missing of_node_put() in time.c
ARM: cns3xxx: Fix refcount leak in cns3xxx_init
MAINTAINERS: Update email address
arm64: dts: ti: k3-am64-main: Remove support for HS400 speed mode
arm64: dts: ti: k3-j721s2: Fix overlapping GICD memory region
ARM: dts: bcm2711-rpi-400: Fix GPIO line names
bus: bt1-axi: Don't print error on -EPROBE_DEFER
bus: bt1-apb: Don't print error on -EPROBE_DEFER
ARM: Fix refcount leak in axxia_boot_secondary
ARM: dts: stm32: move SCMI related nodes in a dedicated file for stm32mp15
soc: imx: imx8m-blk-ctrl: fix display clock for LCDIF2 power domain
ARM: dts: imx6qdl-colibri: Fix capacitive touch reset polarity
ARM: dts: imx6qdl: correct PU regulator ramp delay
firmware: arm_scmi: Fix incorrect error propagation in scmi_voltage_descriptors_get
firmware: arm_scmi: Avoid using extended string-buffers sizes if not necessary
firmware: arm_scmi: Fix SENSOR_AXIS_NAME_GET behaviour when unsupported
ARM: dts: imx7: Move hsic_phy power domain to HSIC PHY node
soc: bcm: brcmstb: pm: pm-arm: Fix refcount leak in brcmstb_pm_probe
MAINTAINERS: Update BCM2711/BCM2835 maintainer
...
Fixes for post-5.18 changes:
- fix for a damon boot hang, from SeongJae
- fix for a kfence warning splat, from Jason Donenfeld
- fix for zero-pfn pinning, from Alex Williamson
- fix for fallocate hole punch clearing, from Mike Kravetz
Fixes pre-5.18 material:
- fix for a performance regression, from Marcelo
- fix for a hwpoisining BUG from zhenwei pi
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Merge tag 'mm-hotfixes-stable-2022-06-26' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull hotfixes from Andrew Morton:
"Minor things, mainly - mailmap updates, MAINTAINERS updates, etc.
Fixes for this merge window:
- fix for a damon boot hang, from SeongJae
- fix for a kfence warning splat, from Jason Donenfeld
- fix for zero-pfn pinning, from Alex Williamson
- fix for fallocate hole punch clearing, from Mike Kravetz
Fixes for previous releases:
- fix for a performance regression, from Marcelo
- fix for a hwpoisining BUG from zhenwei pi"
* tag 'mm-hotfixes-stable-2022-06-26' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm:
mailmap: add entry for Christian Marangi
mm/memory-failure: disable unpoison once hw error happens
hugetlbfs: zero partial pages during fallocate hole punch
mm: memcontrol: reference to tools/cgroup/memcg_slabinfo.py
mm: re-allow pinning of zero pfns
mm/kfence: select random number before taking raw lock
MAINTAINERS: add maillist information for LoongArch
MAINTAINERS: update MM tree references
MAINTAINERS: update Abel Vesa's email
MAINTAINERS: add MEMORY HOT(UN)PLUG section and add David as reviewer
MAINTAINERS: add Miaohe Lin as a memory-failure reviewer
mailmap: add alias for jarkko@profian.com
mm/damon/reclaim: schedule 'damon_reclaim_timer' only after 'system_wq' is initialized
kthread: make it clear that kthread_create_on_node() might be terminated by any fatal signal
mm: lru_cache_disable: use synchronize_rcu_expedited
mm/page_isolation.c: fix one kernel-doc comment
- make the irqchip immutable in gpio-realtek-otto
- fix error code propagation in gpio-winbond
- fix device removing in gpio-grgpio
- fix a typo in gpio-mxs which indicates the driver is for a different model
- documentation fixes
- MAINTAINERS file updates
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Merge tag 'gpio-fixes-for-v5.19-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux
Pull gpio fixes from Bartosz Golaszewski:
- make the irqchip immutable in gpio-realtek-otto
- fix error code propagation in gpio-winbond
- fix device removing in gpio-grgpio
- fix a typo in gpio-mxs which indicates the driver is for a different
model
- documentation fixes
- MAINTAINERS file updates
* tag 'gpio-fixes-for-v5.19-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux:
gpio: mxs: Fix header comment
gpio: Fix kernel-doc comments to nested union
gpio: grgpio: Fix device removing
gpio: winbond: Fix error code in winbond_gpio_get()
gpio: realtek-otto: Make the irqchip immutable
docs: driver-api: gpio: Fix filename mismatch
MAINTAINERS: add include/dt-bindings/gpio to GPIO SUBSYSTEM
The "1<<31" shift has a sign extension bug so IFF_TX_SKB_NO_LINEAR is
0xffffffff80000000 instead of 0x0000000080000000.
Fixes: c2ff53d804 ("net: Add priv_flags for allow tx skb without linear")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Xuan Zhuo <xuanzhuo@linux.alibaba.com>
Link: https://lore.kernel.org/r/YrRrcGttfEVnf85Q@kili
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'block-5.19-2022-06-24' of git://git.kernel.dk/linux-block
Pull block fixes from Jens Axboe:
- Series fixing issues with sysfs locking and name reuse (Christoph)
- NVMe pull request via Christoph:
- Fix the mixed up CRIMS/CRWMS constants (Joel Granados)
- Add another broken identifier quirk (Leo Savernik)
- Fix up a quirk because Samsung reuses PCI IDs over different
products (Christoph Hellwig)
- Remove old WARN_ON() that doesn't apply anymore (Li)
- Fix for using a stale cached request value for rq-qos throttling
mechanisms that may schedule(), like iocost (me)
- Remove unused parameter to blk_independent_access_range() (Damien)
* tag 'block-5.19-2022-06-24' of git://git.kernel.dk/linux-block:
block: remove WARN_ON() from bd_link_disk_holder
nvme: move the Samsung X5 quirk entry to the core quirks
nvme: fix the CRIMS and CRWMS definitions to match the spec
nvme: add a bogus subsystem NQN quirk for Micron MTFDKBA2T0TFH
block: pop cached rq before potentially blocking rq_qos_throttle()
block: remove queue from struct blk_independent_access_range
block: freeze the queue earlier in del_gendisk
block: remove per-disk debugfs files in blk_unregister_queue
block: serialize all debugfs operations using q->debugfs_mutex
block: disable the elevator int del_gendisk
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Merge tag 'printk-for-5.19-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/printk/linux
Pull printk kernel thread revert from Petr Mladek:
"Revert printk console kthreads.
The testing of 5.19 release candidates revealed issues that did not
happen when all consoles were serialized using the console semaphore.
More time is needed to check expectations of the existing console
drivers and be confident that they can be safely used in parallel"
* tag 'printk-for-5.19-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/printk/linux:
Revert "printk: add functions to prefer direct printing"
Revert "printk: add kthread console printers"
Revert "printk: extend console_lock for per-console locking"
Revert "printk: remove @console_locked"
Revert "printk: Block console kthreads when direct printing will be required"
Revert "printk: Wait for the global console lock when the system is going down"
We try to harden virtio device notifications in 8b4ec69d7e ("virtio:
harden vring IRQ"). It works with the assumption that the driver or
core can properly call virtio_device_ready() at the right
place. Unfortunately, this seems to be not true and uncover various
bugs of the existing drivers, mainly the issue of using
virtio_device_ready() incorrectly.
So let's add a Kconfig option and disable it by default. It gives
us time to fix the drivers and then we can consider re-enabling it.
Signed-off-by: Jason Wang <jasowang@redhat.com>
Message-Id: <20220622012940.21441-1-jasowang@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
Commit 48ec13d36d ("gpio: Properly document parent data union")
is supposed to have fixed a warning from "make htmldocs" regarding
kernel-doc comments to union members. However, the same warning
still remains [1].
Fix the issue by following the example found in section "Nested
structs/unions" of Documentation/doc-guide/kernel-doc.rst.
Signed-off-by: Akira Yokosawa <akiyks@gmail.com>
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Fixes: 48ec13d36d ("gpio: Properly document parent data union")
Link: https://lore.kernel.org/r/20220606093302.21febee3@canb.auug.org.au/ [1]
Cc: Linus Walleij <linus.walleij@linaro.org>
Cc: Bartosz Golaszewski <brgl@bgdev.pl>
Cc: Joey Gouly <joey.gouly@arm.com>
Cc: Marc Zyngier <maz@kernel.org>
Tested-by: Stephen Rothwell <sfr@canb.auug.org.au>
Reviewed-by: Mauro Carvalho Chehab <mchehab@kernel.org>
Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
This reverts commit 2bb2b7b57f.
The testing of 5.19 release candidates revealed missing synchronization
between early and regular console functionality.
It would be possible to start the console kthreads later as a workaround.
But it is clear that console lock serialized console drivers between
each other. It opens a big area of possible problems that were not
considered by people involved in the development and review.
printk() is crucial for debugging kernel issues and console output is
very important part of it. The number of consoles is huge and a proper
review would take some time. As a result it need to be reverted for 5.19.
Link: https://lore.kernel.org/r/YrBdjVwBOVgLfHyb@alley
Signed-off-by: Petr Mladek <pmladek@suse.com>
Link: https://lore.kernel.org/r/20220623145157.21938-7-pmladek@suse.com
This reverts commit 09c5ba0aa2.
This reverts commit b87f02307d.
The testing of 5.19 release candidates revealed missing synchronization
between early and regular console functionality.
It would be possible to start the console kthreads later as a workaround.
But it is clear that console lock serialized console drivers between
each other. It opens a big area of possible problems that were not
considered by people involved in the development and review.
printk() is crucial for debugging kernel issues and console output is
very important part of it. The number of consoles is huge and a proper
review would take some time. As a result it need to be reverted for 5.19.
Link: https://lore.kernel.org/r/YrBdjVwBOVgLfHyb@alley
Signed-off-by: Petr Mladek <pmladek@suse.com>
Link: https://lore.kernel.org/r/20220623145157.21938-6-pmladek@suse.com
This reverts commit 8e27473211.
The testing of 5.19 release candidates revealed missing synchronization
between early and regular console functionality.
It would be possible to start the console kthreads later as a workaround.
But it is clear that console lock serialized console drivers between
each other. It opens a big area of possible problems that were not
considered by people involved in the development and review.
printk() is crucial for debugging kernel issues and console output is
very important part of it. The number of consoles is huge and a proper
review would take some time. As a result it need to be reverted for 5.19.
Link: https://lore.kernel.org/r/YrBdjVwBOVgLfHyb@alley
Signed-off-by: Petr Mladek <pmladek@suse.com>
Link: https://lore.kernel.org/r/20220623145157.21938-5-pmladek@suse.com
This reverts commit b87f02307d.
The testing of 5.19 release candidates revealed missing synchronization
between early and regular console functionality.
It would be possible to start the console kthreads later as a workaround.
But it is clear that console lock serialized console drivers between
each other. It opens a big area of possible problems that were not
considered by people involved in the development and review.
printk() is crucial for debugging kernel issues and console output is
very important part of it. The number of consoles is huge and a proper
review would take some time. As a result it need to be reverted for 5.19.
Link: https://lore.kernel.org/r/YrBdjVwBOVgLfHyb@alley
Signed-off-by: Petr Mladek <pmladek@suse.com>
Link: https://lore.kernel.org/r/20220623145157.21938-2-pmladek@suse.com
Adjust the values of NVME_CAP_CRMS_CRIMS and NVME_CAP_CRMS_CRWMS masks as
they are different from the ones in TP4084 - Time-to-ready.
Fixes: 354201c53e ("nvme: add support for TP4084 - Time-to-Ready Enhancements").
Signed-off-by: Joel Granados <j.granados@samsung.com>
Reviewed-by: Keith Busch <kbusch@kernel.org>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Reviewed-by: Chaitanya Kulkarni <kch@nvidia.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
The request queue pointer in struct blk_independent_access_range is
unused. Remove it.
Signed-off-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
Fixes: 41e46b3c2a ("block: Fix potential deadlock in blk_ia_range_sysfs_show()")
Reviewed-by: Christoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/r/20220603053529.76405-1-damien.lemoal@opensource.wdc.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
random.c ratelimits how much it warns about uninitialized urandom reads
using __ratelimit(). When the RNG is finally initialized, it prints the
number of missed messages due to ratelimiting.
It has been this way since that functionality was introduced back in
2018. Recently, cc1e127bfa ("random: remove ratelimiting for in-kernel
unseeded randomness") put a bit more stress on the urandom ratelimiting,
which teased out a bug in the implementation.
Specifically, when under pressure, __ratelimit() will print its own
message and reset the count back to 0, making the final message at the
end less useful. Secondly, it does so as a pr_warn(), which apparently
is undesirable for people's CI.
Fortunately, __ratelimit() has the RATELIMIT_MSG_ON_RELEASE flag exactly
for this purpose, so we set the flag.
Fixes: 4e00b339e2 ("random: rate limit unseeded randomness warnings")
Cc: stable@vger.kernel.org
Reported-by: Jon Hunter <jonathanh@nvidia.com>
Reported-by: Ron Economos <re@w6rz.net>
Tested-by: Ron Economos <re@w6rz.net>
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
- Remove obsolete CONFIG_X86_SMAP reference from objtool
- Fix overlapping text section failures in faddr2line for real
- Remove OBJECT_FILES_NON_STANDARD usage from x86 ftrace and replace it
with finegrained annotations so objtool can validate that code
correctly.
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Merge tag 'objtool-urgent-2022-06-19' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull build tooling updates from Thomas Gleixner:
- Remove obsolete CONFIG_X86_SMAP reference from objtool
- Fix overlapping text section failures in faddr2line for real
- Remove OBJECT_FILES_NON_STANDARD usage from x86 ftrace and replace it
with finegrained annotations so objtool can validate that code
correctly.
* tag 'objtool-urgent-2022-06-19' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/ftrace: Remove OBJECT_FILES_NON_STANDARD usage
faddr2line: Fix overlapping text section failures, the sequel
objtool: Fix obsolete reference to CONFIG_X86_SMAP
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Merge tag 'printk-for-5.19-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/printk/linux
Pull printk fixes from Petr Mladek:
"Make the global console_sem available for CPU that is handling panic()
or shutdown.
This is an old problem when an existing console lock owner might block
console output, but it became more visible with the kthreads"
* tag 'printk-for-5.19-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/printk/linux:
printk: Wait for the global console lock when the system is going down
printk: Block console kthreads when direct printing will be required
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Merge tag 'block-5.19-2022-06-16' of git://git.kernel.dk/linux-block
Pull block fixes from Jens Axboe:
- NVMe pull request from Christoph
- Quirks, quirks, quirks to work around buggy consumer grade
devices (Keith Bush, Ning Wang, Stefan Reiter, Rasheed Hsueh)
- Better kernel messages for devices that need quirking (Keith
Bush)
- Make a kernel message more useful (Thomas Weißschuh)
- MD pull request from Song, with a few fixes
- blk-mq sysfs locking fixes (Ming)
- BFQ stats fix (Bart)
- blk-mq offline queue fix (Bart)
- blk-mq flush request tag fix (Ming)
* tag 'block-5.19-2022-06-16' of git://git.kernel.dk/linux-block:
block/bfq: Enable I/O statistics
blk-mq: don't clear flush_rq from tags->rqs[]
blk-mq: avoid to touch q->elevator without any protection
blk-mq: protect q->elevator by ->sysfs_lock in blk_mq_elv_switch_none
block: Fix handling of offline queues in blk_mq_alloc_request_hctx()
md/raid5-ppl: Fix argument order in bio_alloc_bioset()
Revert "md: don't unregister sync_thread with reconfig_mutex held"
nvme-pci: disable write zeros support on UMIC and Samsung SSDs
nvme-pci: avoid the deepest sleep state on ZHITAI TiPro7000 SSDs
nvme-pci: sk hynix p31 has bogus namespace ids
nvme-pci: smi has bogus namespace ids
nvme-pci: phison e12 has bogus namespace ids
nvme-pci: add NVME_QUIRK_BOGUS_NID for ADATA XPG GAMMIX S50
nvme-pci: add trouble shooting steps for timeouts
nvme: add bug report info for global duplicate id
nvme: add device name to warning in uuid_show()
Pull writeback and ext2 fixes from Jan Kara:
"A fix for writeback bug which prevented machines with kdevtmpfs from
booting and also one small ext2 bugfix in IO error handling"
* tag 'fs_for_v5.19-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs:
init: Initialize noop_backing_dev_info early
ext2: fix fs corruption when trying to remove a non-empty directory with IO error
Here are some small staging driver fixes for 5.19-rc3 that resolve
reported issues:
- remove visorbus.h which was forgotten in the -rc1 merge where
the code that used it was removed
- olpc_dcon: mark as broken to allow the DRM developers to
evolve the fbdev api properly without having to deal with this
obsolete driver. It will be removed soon if no one steps up
to adopt it and fix the issues with it.
- rtl8723bs driver fix
- r8188eu driver fix to resolve many reports of the driver being
broken with -rc1.
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-5.19-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
Pull staging driver fixes from Greg KH:
"Here are some small staging driver fixes for 5.19-rc3 that resolve
reported issues:
- remove visorbus.h which was forgotten in the -rc1 merge where the
code that used it was removed
- olpc_dcon: mark as broken to allow the DRM developers to evolve the
fbdev api properly without having to deal with this obsolete
driver. It will be removed soon if no one steps up to adopt it and
fix the issues with it.
- rtl8723bs driver fix
- r8188eu driver fix to resolve many reports of the driver being
broken with -rc1.
All of these have been in linux-next for a while with no reported
issues"
* tag 'staging-5.19-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging:
staging: Also remove the Unisys visorbus.h
staging: rtl8723bs: Allocate full pwep structure
staging: olpc_dcon: mark driver as broken
staging: r8188eu: Fix warning of array overflow in ioctl_linux.c
staging: r8188eu: fix rtw_alloc_hwxmits error detection for now
Here are some small tty and serial driver fixes for 5.19-rc3 to resolve
some reported problems:
- 8250 lsr read bugfix
- n_gsm line discipline allocation fix
- qcom serial driver fix for reported lockups that happened in
-rc1
- goldfish tty driver fix
All have 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-5.19-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
Pull tty/serial driver fixes from Greg KH:
"Here are some small tty and serial driver fixes for 5.19-rc3 to
resolve some reported problems:
- 8250 lsr read bugfix
- n_gsm line discipline allocation fix
- qcom serial driver fix for reported lockups that happened in -rc1
- goldfish tty driver fix
All have been in linux-next for a while now with no reported issues"
* tag 'tty-5.19-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty:
serial: 8250: Store to lsr_save_flags after lsr read
tty: goldfish: Fix free_irq() on remove
tty: serial: qcom-geni-serial: Implement start_rx callback
serial: core: Introduce callback for start_rx and do stop_rx in suspend only if this callback implementation is present.
tty: n_gsm: Debug output allocation must use GFP_ATOMIC
Various places like I/O schedulers or the QOS infrastructure try to
register debugfs files on demans, which can race with creating and
removing the main queue debugfs directory. Use the existing
debugfs_mutex to serialize all debugfs operations that rely on
q->debugfs_dir or the directories hanging off it.
To make the teardown code a little simpler declare all debugfs dentry
pointers and not just the main one uncoditionally in blkdev.h.
Move debugfs_mutex next to the dentries that it protects and document
what it is used for.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/r/20220614074827.458955-3-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
The commit referenced below subtly and inadvertently changed the logic to
disallow pinning of zero pfns. This breaks device assignment with vfio
and potentially various other users of gup. Exclude the zero page test
from the negation.
Link: https://lkml.kernel.org/r/165490039431.944052.12458624139225785964.stgit@omen
Fixes: 1c56343258 ("mm: fix is_pinnable_page against a cma page")
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Acked-by: Minchan Kim <minchan@kernel.org>
Acked-by: David Hildenbrand <david@redhat.com>
Reported-by: Yishai Hadas <yishaih@nvidia.com>
Cc: Paul E. McKenney <paulmck@kernel.org>
Cc: John Hubbard <jhubbard@nvidia.com>
Cc: John Dias <joaodias@google.com>
Cc: Jason Gunthorpe <jgg@ziepe.ca>
Cc: Zhangfei Gao <zhangfei.gao@linaro.org>
Cc: Matthew Wilcox <willy@infradead.org>
Cc: Joao Martins <joao.m.martins@oracle.com>
Cc: Yi Liu <yi.l.liu@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
q->elevator is referred in blk_mq_has_sqsched() without any protection,
no .q_usage_counter is held, no queue srcu and rcu read lock is held,
so potential use-after-free may be triggered.
Fix the issue by adding one queue flag for checking if the elevator
uses single queue style dispatch. Meantime the elevator feature flag
of ELEVATOR_F_MQ_AWARE isn't needed any more.
Cc: Jan Kara <jack@suse.cz>
Signed-off-by: Ming Lei <ming.lei@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/r/20220616014401.817001-3-ming.lei@redhat.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
noop_backing_dev_info is used by superblocks of various
pseudofilesystems such as kdevtmpfs. After commit 10e1407310
("writeback: Fix inode->i_io_list not be protected by inode->i_lock
error") this broke because __mark_inode_dirty() started to access more
fields from noop_backing_dev_info and this led to crashes inside
locked_inode_to_wb_and_lock_list() called from __mark_inode_dirty().
Fix the problem by initializing noop_backing_dev_info before the
filesystems get mounted.
Fixes: 10e1407310 ("writeback: Fix inode->i_io_list not be protected by inode->i_lock error")
Reported-and-tested-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Reported-and-tested-by: Alexandru Elisei <alexandru.elisei@arm.com>
Reported-and-tested-by: Guenter Roeck <linux@roeck-us.net>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jan Kara <jack@suse.cz>
There are reports that the console kthreads block the global console
lock when the system is going down, for example, reboot, panic.
First part of the solution was to block kthreads in these problematic
system states so they stopped handling newly added messages.
Second part of the solution is to wait when for the kthreads when
they are actively printing. It solves the problem when a message
was printed before the system entered the problematic state and
the kthreads managed to step in.
A busy waiting has to be used because panic() can be called in any
context and in an unknown state of the scheduler.
There must be a timeout because the kthread might get stuck or sleeping
and never release the lock. The timeout 10s is an arbitrary value
inspired by the softlockup timeout.
Link: https://lore.kernel.org/r/20220610205038.GA3050413@paulmck-ThinkPad-P17-Gen-1
Link: https://lore.kernel.org/r/CAMdYzYpF4FNTBPZsEFeWRuEwSies36QM_As8osPWZSr2q-viEA@mail.gmail.com
Signed-off-by: Petr Mladek <pmladek@suse.com>
Tested-by: Paul E. McKenney <paulmck@kernel.org>
Link: https://lore.kernel.org/r/20220615162805.27962-3-pmladek@suse.com
Commit e81fb4198e ("netfs: Further cleanups after struct netfs_inode
wrapper introduced") changed the argument types and names, and actually
updated the comment too (although that was thanks to David Howells, not
me: my original patch only changed the code).
But the comment fixup didn't go quite far enough, and didn't change the
argument name in the comment, resulting in
include/linux/netfs.h:314: warning: Function parameter or member 'ctx' not described in 'netfs_inode_init'
include/linux/netfs.h:314: warning: Excess function parameter 'inode' description in 'netfs_inode_init'
during htmldoc generation.
Fixes: e81fb4198e ("netfs: Further cleanups after struct netfs_inode wrapper introduced")
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Stale Data.
They are a class of MMIO-related weaknesses which can expose stale data
by propagating it into core fill buffers. Data which can then be leaked
using the usual speculative execution methods.
Mitigations include this set along with microcode updates and are
similar to MDS and TAA vulnerabilities: VERW now clears those buffers
too.
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Merge tag 'x86-bugs-2022-06-01' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 MMIO stale data fixes from Thomas Gleixner:
"Yet another hw vulnerability with a software mitigation: Processor
MMIO Stale Data.
They are a class of MMIO-related weaknesses which can expose stale
data by propagating it into core fill buffers. Data which can then be
leaked using the usual speculative execution methods.
Mitigations include this set along with microcode updates and are
similar to MDS and TAA vulnerabilities: VERW now clears those buffers
too"
* tag 'x86-bugs-2022-06-01' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/speculation/mmio: Print SMT warning
KVM: x86/speculation: Disable Fill buffer clear within guests
x86/speculation/mmio: Reuse SRBDS mitigation for SBDS
x86/speculation/srbds: Update SRBDS mitigation selection
x86/speculation/mmio: Add sysfs reporting for Processor MMIO Stale Data
x86/speculation/mmio: Enable CPU Fill buffer clearing on idle
x86/bugs: Group MDS, TAA & Processor MMIO Stale Data mitigations
x86/speculation/mmio: Add mitigation for Processor MMIO Stale Data
x86/speculation: Add a common function for MD_CLEAR mitigation update
x86/speculation/mmio: Enumerate Processor MMIO Stale Data bug
Documentation: Add documentation for Processor MMIO Stale Data
Bunch of fixes to address:
1. Issues reported on RK3568 EVB1 and BPI-R2 pro platforms using SCMI.
More checks were added to validate the firmware response but that
resulted in breaking above platforms, so the checks are relaxed when
for cases where there is no potential memory corruption issues.
2. Possible data leak by reading more than required length from the firmware.
Recent addition of support for v3.1 extended names used larger buffers
in the kernel and used their size to read response from the firmware even
for cases where shorter formats are used. While that is mostly harmless
except when firmware sends malformed non-NULL terminated buffers.
3. Possible issues sending unsupported commands to the firmware.
SENSOR_AXIS_NAME_GET added in v3.1 needs to be used only if the firmware
supports it. While the firmware conformant to the spec must return not
supported error for any unsupported features, it is always safer to
avoid issuing commands that are known to be unsupported.
4. Incorrect error propagation in scmi_voltage_descriptors_get.
Since the return value is not reset for each iteration of the loop, the
error value in the previous iteration will be carried for the current one.
Fix that by not saving the return values into local variable.
5. Some warnings reported by cppcheck
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Merge tag 'scmi-fixes-5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/sudeep.holla/linux into arm/fixes
Arm SCMI firmware driver fixes for v5.19
Bunch of fixes to address:
1. Issues reported on RK3568 EVB1 and BPI-R2 pro platforms using SCMI.
More checks were added to validate the firmware response but that
resulted in breaking above platforms, so the checks are relaxed when
for cases where there is no potential memory corruption issues.
2. Possible data leak by reading more than required length from the firmware.
Recent addition of support for v3.1 extended names used larger buffers
in the kernel and used their size to read response from the firmware even
for cases where shorter formats are used. While that is mostly harmless
except when firmware sends malformed non-NULL terminated buffers.
3. Possible issues sending unsupported commands to the firmware.
SENSOR_AXIS_NAME_GET added in v3.1 needs to be used only if the firmware
supports it. While the firmware conformant to the spec must return not
supported error for any unsupported features, it is always safer to
avoid issuing commands that are known to be unsupported.
4. Incorrect error propagation in scmi_voltage_descriptors_get.
Since the return value is not reset for each iteration of the loop, the
error value in the previous iteration will be carried for the current one.
Fix that by not saving the return values into local variable.
5. Some warnings reported by cppcheck
* tag 'scmi-fixes-5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/sudeep.holla/linux:
firmware: arm_scmi: Fix incorrect error propagation in scmi_voltage_descriptors_get
firmware: arm_scmi: Avoid using extended string-buffers sizes if not necessary
firmware: arm_scmi: Fix SENSOR_AXIS_NAME_GET behaviour when unsupported
firmware: arm_scmi: Remove all the unused local variables
firmware: arm_scmi: Relax base protocol sanity checks on the protocol list
Link: https://lore.kernel.org/r/20220614100007.1029881-1-sudeep.holla@arm.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
vmalloc does not allocate a vm_struct for vm_map_ram() areas. That causes
us to deny usercopies from those areas. This affects XFS which uses
vm_map_ram() for its directories.
Fix this by calling find_vmap_area() instead of find_vm_area().
Fixes: 0aef499f31 ("mm/usercopy: Detect vmalloc overruns")
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Uladzislau Rezki (Sony) <urezki@gmail.com>
Tested-by: Zorro Lang <zlang@redhat.com>
Signed-off-by: Kees Cook <keescook@chromium.org>
Link: https://lore.kernel.org/r/20220612213227.3881769-2-willy@infradead.org
Tetsuo's patch to trigger build warnings if system-wide wq's are flushed
along with a TP type update and trivial comment update.
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Merge tag 'wq-for-5.19-rc1-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq
Pull workqueue fixes from Tejun Heo:
"Tetsuo's patch to trigger build warnings if system-wide wq's are
flushed along with a TP type update and trivial comment update"
* tag 'wq-for-5.19-rc1-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq:
workqueue: Switch to new kerneldoc syntax for named variable macro argument
workqueue: Fix type of cpu in trace event
workqueue: Wrap flush_workqueue() using a macro
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Merge tag 'random-5.19-rc2-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/crng/random
Pull random number generator fixes from Jason Donenfeld:
- A fix for a 5.19 regression for a case in which early device tree
initializes the RNG, which flips a static branch.
On most plaforms, jump labels aren't initialized until much later, so
this caused splats. On a few mailing list threads, we cooked up easy
fixes for arm64, arm32, and risc-v. But then things looked slightly
more involved for xtensa, powerpc, arc, and mips. And at that point,
when we're patching 7 architectures in a place before the console is
even available, it seems like the cost/risk just wasn't worth it.
So random.c works around it now by checking the already exported
`static_key_initialized` boolean, as though somebody already ran into
this issue in the past. I'm not super jazzed about that; it'd be
prettier to not have to complicate downstream code. But I suppose
it's practical.
- A few small code nits and adding a missing __init annotation.
- A change to the default config values to use the cpu and bootloader's
seeds for initializing the RNG earlier.
This brings them into line with what all the distros do (Fedora/RHEL,
Debian, Ubuntu, Gentoo, Arch, NixOS, Alpine, SUSE, and Void... at
least), and moreover will now give us test coverage in various test
beds that might have caught the above device tree bug earlier.
- A change to WireGuard CI's configuration to increase test coverage
around the RNG.
- A documentation comment fix to unrelated maintainerless CRC code that
I was asked to take, I guess because it has to do with polynomials
(which the RNG thankfully no longer uses).
* tag 'random-5.19-rc2-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/crng/random:
wireguard: selftests: use maximum cpu features and allow rng seeding
random: remove rng_has_arch_random()
random: credit cpu and bootloader seeds by default
random: do not use jump labels before they are initialized
random: account for arch randomness in bits
random: mark bootloader randomness code as __init
random: avoid checking crng_ready() twice in random_init()
crc-itu-t: fix typo in CRC ITU-T polynomial comment
The syntax without dots is available since commit 43756e347f
("scripts/kernel-doc: Add support for named variable macro arguments").
The same HTML output is produced with and without this patch.
Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net>
Acked-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Tejun Heo <tj@kernel.org>
Fixes all over the place, most notably fixes for latent
bugs in drivers that got exposed by suppressing
interrupts before DRIVER_OK, which in turn has been
done by 8b4ec69d7e ("virtio: harden vring IRQ").
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:
"Fixes all over the place, most notably fixes for latent bugs in
drivers that got exposed by suppressing interrupts before DRIVER_OK,
which in turn has been done by 8b4ec69d7e ("virtio: harden vring
IRQ")"
* tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost:
um: virt-pci: set device ready in probe()
vdpa: make get_vq_group and set_group_asid optional
virtio: Fix all occurences of the "the the" typo
vduse: Fix NULL pointer dereference on sysfs access
vringh: Fix loop descriptors check in the indirect cases
vdpa/mlx5: clean up indenting in handle_ctrl_vlan()
vdpa/mlx5: fix error code for deleting vlan
virtio-mmio: fix missing put_device() when vm_cmdline_parent registration failed
vdpa/mlx5: Fix syntax errors in comments
virtio-rng: make device ready before making request
- There is now a backup maintainer for NFSD
Notable fixes:
- Prevent array overruns in svc_rdma_build_writes()
- Prevent buffer overruns when encoding NFSv3 READDIR results
- Fix a potential UAF in nfsd_file_put()
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Merge tag 'nfsd-5.19-1' of git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux
Pull nfsd fixes from Chuck Lever:
"Notable changes:
- There is now a backup maintainer for NFSD
Notable fixes:
- Prevent array overruns in svc_rdma_build_writes()
- Prevent buffer overruns when encoding NFSv3 READDIR results
- Fix a potential UAF in nfsd_file_put()"
* tag 'nfsd-5.19-1' of git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux:
SUNRPC: Remove pointer type casts from xdr_get_next_encode_buffer()
SUNRPC: Clean up xdr_get_next_encode_buffer()
SUNRPC: Clean up xdr_commit_encode()
SUNRPC: Optimize xdr_reserve_space()
SUNRPC: Fix the calculation of xdr->end in xdr_get_next_encode_buffer()
SUNRPC: Trap RDMA segment overflows
NFSD: Fix potential use-after-free in nfsd_file_put()
MAINTAINERS: reciprocal co-maintainership for file locking and nfsd
properly setup. Remove now unused bioset_init_from_src.
- Fix DM zoned hang from locking imbalance due to needless check in
clone_endio().
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Merge tag 'for-5.19/dm-fixes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm
Pull device mapper fixes from Mike Snitzer:
- Fix DM core's bioset initialization so that blk integrity pool is
properly setup. Remove now unused bioset_init_from_src.
- Fix DM zoned hang from locking imbalance due to needless check in
clone_endio().
* tag 'for-5.19/dm-fixes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm:
dm: fix zoned locking imbalance due to needless check in clone_endio
block: remove bioset_init_from_src
dm: fix bio_set allocation
Pull fscache cleanups from David Howells:
- fix checker complaint in afs
- two netfs cleanups:
- netfs_inode calling convention cleanup plus the requisite
documentation changes
- replace the ->cleanup op with a ->free_request op.
This is possible as the I/O request is now always available at
the cleanup point as the stuff to be cleaned up is no longer
passed into the API functions, but rather obtained by ->init_request.
* 'fscache-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs:
netfs: Rename the netfs_io_request cleanup op and give it an op pointer
netfs: Further cleanups after struct netfs_inode wrapper introduced
afs: Fix some checker issues
The netfs_io_request cleanup op is now always in a position to be given a
pointer to a netfs_io_request struct, so this can be passed in instead of
the mapping and private data arguments (both of which are included in the
struct).
So rename the ->cleanup op to ->free_request (to match ->init_request) and
pass in the I/O pointer.
Signed-off-by: David Howells <dhowells@redhat.com>
Reviewed-by: Jeff Layton <jlayton@kernel.org>
cc: linux-cachefs@redhat.com
Change the signature of netfs helper functions to take a struct netfs_inode
pointer rather than a struct inode pointer where appropriate, thereby
relieving the need for the network filesystem to convert its internal inode
format down to the VFS inode only for netfslib to bounce it back up. For
type safety, it's better not to do that (and it's less typing too).
Give netfs_write_begin() an extra argument to pass in a pointer to the
netfs_inode struct rather than deriving it internally from the file
pointer. Note that the ->write_begin() and ->write_end() ops are intended
to be replaced in the future by netfslib code that manages this without the
need to call in twice for each page.
netfs_readpage() and similar are intended to be pointed at directly by the
address_space_operations table, so must stick to the signature dictated by
the function pointers there.
Changes
=======
- Updated the kerneldoc comments and documentation [DH].
Signed-off-by: David Howells <dhowells@redhat.com>
cc: linux-cachefs@redhat.com
Link: https://lore.kernel.org/r/CAHk-=wgkwKyNmNdKpQkqZ6DnmUL-x9hp0YBnUGjaPFEAdxDTbw@mail.gmail.com/
