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The original code put five u32 before a u64 expansion[10] array. Five is
odd, this will cause trouble in the extension of the structure by adding
new features. This patch moves to use u8 for reserved field to avoid
future alignment risk.
Meanwhile, it also clears the memory of struct map_benchmark in tools,
otherwise, if users use old version to run on newer kernel, the random
expansion value will cause side effect on newer kernel.
Signed-off-by: Barry Song <song.bao.hua@hisilicon.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
This reverts commit bde9cfa3af.
Changing the first memory page type from E820_TYPE_RESERVED to
E820_TYPE_RAM makes it a part of "System RAM" resource rather than a
reserved resource and this in turn causes devmem_is_allowed() to treat
is as area that can be accessed but it is filled with zeroes instead of
the actual data as previously.
The change in /dev/mem output causes lilo to fail as was reported at
slakware users forum, and probably other legacy applications will
experience similar problems.
Link: https://www.linuxquestions.org/questions/slackware-14/slackware-current-lilo-vesa-warnings-after-recent-updates-4175689617/#post6214439
Signed-off-by: Mike Rapoport <rppt@linux.ibm.com>
Cc: stable@kernel.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Address recent regression causing battery devices to be never bound
to a driver on some systems (Hans de Goede).
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Merge tag 'acpi-5.11-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI fix from Rafael Wysocki:
"Address recent regression causing battery devices to be never bound to
a driver on some systems (Hans de Goede)"
* tag 'acpi-5.11-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
ACPI: scan: Fix battery devices sometimes never binding
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Merge tag 'ovl-fixes-5.11-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs
Pull overlayfs fixes from Miklos Szeredi:
- Fix capability conversion and minor overlayfs bugs that are related
to the unprivileged overlay mounts introduced in this cycle.
- Fix two recent (v5.10) and one old (v4.10) bug.
- Clean up security xattr copy-up (related to a SELinux regression).
* tag 'ovl-fixes-5.11-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs:
ovl: implement volatile-specific fsync error behaviour
ovl: skip getxattr of security labels
ovl: fix dentry leak in ovl_get_redirect
ovl: avoid deadlock on directory ioctl
cap: fix conversions on getxattr
ovl: perform vfs_getxattr() with mounter creds
ovl: add warning on user_ns mismatch
- Make sure to set a default console, otherwise ttynull is selected.
- Revert initial ARCH_HAS_SET_MEMORY support, this needs more work.
- Fix a regression due to ubd refactoring.
- Various small fixes.
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Merge tag 'for-linus-5.11-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/uml
Pull UML fixes from Richard Weinberger:
- Make sure to set a default console, otherwise ttynull is selected
- Revert initial ARCH_HAS_SET_MEMORY support, this needs more work
- Fix a regression due to ubd refactoring
- Various small fixes
* tag 'for-linus-5.11-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/uml:
um: time: fix initialization in time-travel mode
um: fix os_idle_sleep() to not hang
Revert "um: support some of ARCH_HAS_SET_MEMORY"
Revert "um: allocate a guard page to helper threads"
um: virtio: free vu_dev only with the contained struct device
um: kmsg_dumper: always dump when not tty console
um: stdio_console: Make preferred console
um: return error from ioremap()
um: ubd: fix command line handling of ubd
replace the bitwise operations with subtract (virt_addr_valid(),
__is_lm_address(), __lm_to_phys()).
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Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 fixes from Catalin Marinas:
"Fix the arm64 linear map range detection for tagged addresses and
replace the bitwise operations with subtract (virt_addr_valid(),
__is_lm_address(), __lm_to_phys())"
* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
arm64: Use simpler arithmetics for the linear map macros
arm64: Do not pass tagged addresses to __is_lm_address()
- Initialize tracing-graph-pause at task creation, not start of
function tracing. Causes the pause counter to be corrupted.
- Set "pause-on-trace" for latency tracers as that option breaks
their output (regression).
- Fix the wrong error return for setting kretprobes on future
modules (before they are loaded).
- Fix re-registering the same kretprobe.
- Add missing value check for added RCU variable reload.
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Merge tag 'trace-v5.11-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace
Pull tracing fixes from Steven Rostedt:
- Initialize tracing-graph-pause at task creation, not start of
function tracing, to avoid corrupting the pause counter.
- Set "pause-on-trace" for latency tracers as that option breaks their
output (regression).
- Fix the wrong error return for setting kretprobes on future modules
(before they are loaded).
- Fix re-registering the same kretprobe.
- Add missing value check for added RCU variable reload.
* tag 'trace-v5.11-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace:
tracepoint: Fix race between tracing and removing tracepoint
kretprobe: Avoid re-registration of the same kretprobe earlier
tracing/kprobe: Fix to support kretprobe events on unloaded modules
tracing: Use pause-on-trace with the latency tracers
fgraph: Initialize tracing_graph_pause at task creation
The code fixes in this round are all for the Texas Instruments OMAP
platform, addressing several regressions related to the ti-sysc
interconnect changes that was merged in linux-5.11 and one recently
introduced RCU usage warning.
Tero Kristo updates his maintainer file entries as he is changing
to a new employer.
The other changes are for devicetree files across eight different
platforms:
TI OMAP:
- multiple gpio related one-line fixes
Allwinner/sunxi:
- ARM: dts: sun7i: a20: bananapro: Fix ethernet phy-mode
- soc: sunxi: mbus: Remove DE2 display engine compatibles
NXP lpc32xx:
- ARM: dts: lpc32xx: Revert set default clock rate of HCLK PLL
STMicroelectronics stm32
- multiple minor fixes for DHCOM/DHCOR boards
NXP Layerscape:
- Fix DCFG address range on LS1046A SoC
Amlogic meson:
- fix reboot issue on odroid C4
- revert an ethernet change that caused a regression
- meson-g12: Set FL-adj property value
Rockchip:
- multiple minor fixes on 64-bit rockchip machines
Qualcomm:
- Regression fixes for Lenovo Yoga touchpad and for
interconnect configuration
- Boot fixes for 'LPASS' clock configuration on two machines
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Merge tag 'arm-soc-fixes-v5.11-3' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM SoC fixes from Arnd Bergmann:
"The code fixes in this round are all for the Texas Instruments OMAP
platform, addressing several regressions related to the ti-sysc
interconnect changes that was merged in linux-5.11 and one recently
introduced RCU usage warning.
Tero Kristo updates his maintainer file entries as he is changing to a
new employer.
The other changes are for devicetree files across eight different
platforms:
TI OMAP:
- multiple gpio related one-line fixes
Allwinner/sunxi:
- ARM: dts: sun7i: a20: bananapro: Fix ethernet phy-mode
- soc: sunxi: mbus: Remove DE2 display engine compatibles
NXP lpc32xx:
- ARM: dts: lpc32xx: Revert set default clock rate of HCLK PLL
STMicroelectronics stm32
- multiple minor fixes for DHCOM/DHCOR boards
NXP Layerscape:
- Fix DCFG address range on LS1046A SoC
Amlogic meson:
- fix reboot issue on odroid C4
- revert an ethernet change that caused a regression
- meson-g12: Set FL-adj property value
Rockchip:
- multiple minor fixes on 64-bit rockchip machines
Qualcomm:
- Regression fixes for Lenovo Yoga touchpad and for interconnect
configuration
- Boot fixes for 'LPASS' clock configuration on two machines"
* tag 'arm-soc-fixes-v5.11-3' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (31 commits)
ARM: dts: lpc32xx: Revert set default clock rate of HCLK PLL
ARM: dts: sun7i: a20: bananapro: Fix ethernet phy-mode
arm64: dts: ls1046a: fix dcfg address range
soc: sunxi: mbus: Remove DE2 display engine compatibles
arm64: dts: meson: switch TFLASH_VDD_EN pin to open drain on Odroid-C4
Revert "arm64: dts: amlogic: add missing ethernet reset ID"
arm64: dts: rockchip: Disable display for NanoPi R2S
ARM: dts: omap4-droid4: Fix lost keypad slide interrupts for droid4
arm64: dts: rockchip: remove interrupt-names property from rk3399 vdec node
drivers: bus: simple-pm-bus: Fix compatibility with simple-bus for auxdata
ARM: OMAP2+: Fix booting for am335x after moving to simple-pm-bus
ARM: OMAP2+: Fix suspcious RCU usage splats for omap_enter_idle_coupled
ARM: dts: stm32: Fix GPIO hog flags on DHCOM DRC02
ARM: dts: stm32: Fix GPIO hog flags on DHCOM PicoITX
ARM: dts: stm32: Fix GPIO hog names on DHCOM
ARM: dts: stm32: Disable optional TSC2004 on DRC02 board
ARM: dts: stm32: Disable WP on DHCOM uSD slot
ARM: dts: stm32: Connect card-detect signal on DHCOM
ARM: dts: stm32: Fix polarity of the DH DRC02 uSD card detect
arm64: dts: qcom: sdm845: Reserve LPASS clocks in gcc
...
- fix a memory leak in error path in gpiolib
- clear debounce period in output mode in the character device code
- remove shadowed variable
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Merge tag 'gpio-fixes-for-v5.11-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux
Pull gpio fixes from Bartosz Golaszewski:
"Some more fixes from the GPIO subsystem for this release. This time
it's only core fixes:
- fix a memory leak in error path in gpiolib
- clear debounce period in output mode in the character device code
- remove shadowed variable"
* tag 'gpio-fixes-for-v5.11-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux:
gpio: gpiolib: remove shadowed variable
gpiolib: free device name on error path to fix kmemleak
gpiolib: cdev: clear debounce period if line set to output
2 last minute small but important fixes for v5.11 .
The following is an automated git shortlog grouped by driver:
dell-wmi-sysman:
- fix a NULL pointer dereference
hp-wmi:
- Disable tablet-mode reporting by default
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Merge tag 'platform-drivers-x86-v5.11-3' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86
Pull x86 platform driver fixes from Hans de Goede:
"Two last minute small but important fixes.
The hp-wmi change fixes an issue which is actively being hit by users:
https://bugzilla.redhat.com/show_bug.cgi?id=1918255https://gitlab.gnome.org/GNOME/gnome-shell/-/issues/3564
And the dell-wmi-sysman patch fixes a bug in the new dell-wmi-sysman
driver which causes some systems to hang at boot when the driver
loads"
* tag 'platform-drivers-x86-v5.11-3' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86:
platform/x86: dell-wmi-sysman: fix a NULL pointer dereference
platform/x86: hp-wmi: Disable tablet-mode reporting by default
SoCs with the Display Engine 2
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Merge tag 'sunxi-fixes-for-5.11-2' of git://git.kernel.org/pub/scm/linux/kernel/git/sunxi/linux into arm/fixes
One fix for a phy-mode ethernet issue, and one to fix the display output on
SoCs with the Display Engine 2
* tag 'sunxi-fixes-for-5.11-2' of git://git.kernel.org/pub/scm/linux/kernel/git/sunxi/linux:
ARM: dts: sun7i: a20: bananapro: Fix ethernet phy-mode
soc: sunxi: mbus: Remove DE2 display engine compatibles
Link: https://lore.kernel.org/r/f8298059-f9ca-43b4-9e29-35bc0e0c9b15.lettre@localhost
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
This reverts commit c17e9377aa.
The lpc32xx clock driver is not able to actually change the PLL rate as
this would require reparenting ARM_CLK, DDRAM_CLK, PERIPH_CLK to SYSCLK,
then stop the PLL, update the register, restart the PLL and wait for the
PLL to lock and finally reparent ARM_CLK, DDRAM_CLK, PERIPH_CLK to HCLK
PLL.
Currently, the HCLK driver simply updates the registers but this has no
real effect and all the clock rate calculation end up being wrong. This is
especially annoying for the peripheral (e.g. UARTs, I2C, SPI).
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Tested-by: Gregory CLEMENT <gregory.clement@bootlin.com>
Link: https://lore.kernel.org/r/20210203090320.GA3760268@piout.net'
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
BPi Pro needs TX and RX delay for Gbit to work reliable and avoid high
packet loss rates. The realtek phy driver overrides the settings of the
pull ups for the delays, so fix this for BananaPro.
Fix the phy-mode description to correctly reflect this so that the
implementation doesn't reconfigure the delays incorrectly. This
happened with commit bbc4d71d63 ("net: phy: realtek: fix rtl8211e
rx/tx delay config").
Fixes: 10662a33dc ("ARM: dts: sun7i: Add dts file for Bananapro board")
Signed-off-by: Hermann Lauer <Hermann.Lauer@uni-heidelberg.de>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Link: https://lore.kernel.org/r/20210128111842.GA11919@lemon.iwr.uni-heidelberg.de
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Merge tag 'clang-format-for-linux-v5.11-rc7' of git://github.com/ojeda/linux
Pull clang-format update from Miguel Ojeda:
"Update with the latest for_each macro list"
* tag 'clang-format-for-linux-v5.11-rc7' of git://github.com/ojeda/linux:
clang-format: Update with the latest for_each macro list
- fix a kernel crash in the new dma-mapping benchmark test (Barry Song)
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Merge tag 'dma-mapping-5.11-1' of git://git.infradead.org/users/hch/dma-mapping
Pull dma-mapping fix from Christoph Hellwig:
"Fix a kernel crash in the new dma-mapping benchmark test (Barry Song)"
* tag 'dma-mapping-5.11-1' of git://git.infradead.org/users/hch/dma-mapping:
dma-mapping: benchmark: fix kernel crash when dma_map_single fails
A single mlx bugfix.
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 vdpa fix from Michael Tsirkin:
"A single mlx bugfix"
* tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost:
vdpa/mlx5: Fix memory key MTT population
trees.
Current release - regressions:
- ip_tunnel: fix mtu calculation
- mlx5: fix function calculation for page trees
Previous releases - regressions:
- vsock: fix the race conditions in multi-transport support
- neighbour: prevent a dead entry from updating gc_list
- dsa: mv88e6xxx: override existent unicast portvec in port_fdb_add
Previous releases - always broken:
- bpf, cgroup: two copy_{from,to}_user() warn_on_once splats for BPF
cgroup getsockopt infra when user space is trying
to race against optlen, from Loris Reiff.
- bpf: add missing fput() in BPF inode storage map update helper
- udp: ipv4: manipulate network header of NATed UDP GRO fraglist
- mac80211: fix station rate table updates on assoc
- r8169: work around RTL8125 UDP HW bug
- igc: report speed and duplex as unknown when device is runtime
suspended
- rxrpc: fix deadlock around release of dst cached on udp tunnel
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-5.11-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Jakub Kicinski:
"Networking fixes for 5.11-rc7, including fixes from bpf and mac80211
trees.
Current release - regressions:
- ip_tunnel: fix mtu calculation
- mlx5: fix function calculation for page trees
Previous releases - regressions:
- vsock: fix the race conditions in multi-transport support
- neighbour: prevent a dead entry from updating gc_list
- dsa: mv88e6xxx: override existent unicast portvec in port_fdb_add
Previous releases - always broken:
- bpf, cgroup: two copy_{from,to}_user() warn_on_once splats for BPF
cgroup getsockopt infra when user space is trying to race against
optlen, from Loris Reiff.
- bpf: add missing fput() in BPF inode storage map update helper
- udp: ipv4: manipulate network header of NATed UDP GRO fraglist
- mac80211: fix station rate table updates on assoc
- r8169: work around RTL8125 UDP HW bug
- igc: report speed and duplex as unknown when device is runtime
suspended
- rxrpc: fix deadlock around release of dst cached on udp tunnel"
* tag 'net-5.11-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (36 commits)
net: hsr: align sup_multicast_addr in struct hsr_priv to u16 boundary
net: ipa: fix two format specifier errors
net: ipa: use the right accessor in ipa_endpoint_status_skip()
net: ipa: be explicit about endianness
net: ipa: add a missing __iomem attribute
net: ipa: pass correct dma_handle to dma_free_coherent()
r8169: fix WoL on shutdown if CONFIG_DEBUG_SHIRQ is set
net/rds: restrict iovecs length for RDS_CMSG_RDMA_ARGS
net: mvpp2: TCAM entry enable should be written after SRAM data
net: lapb: Copy the skb before sending a packet
net/mlx5e: Release skb in case of failure in tc update skb
net/mlx5e: Update max_opened_tc also when channels are closed
net/mlx5: Fix leak upon failure of rule creation
net/mlx5: Fix function calculation for page trees
docs: networking: swap words in icmp_errors_use_inbound_ifaddr doc
udp: ipv4: manipulate network header of NATed UDP GRO fraglist
net: ip_tunnel: fix mtu calculation
vsock: fix the race conditions in multi-transport support
net: sched: replaced invalid qdisc tree flush helper in qdisc_replace
ibmvnic: device remove has higher precedence over reset
...
Because of the tagged addresses, the __is_lm_address() and
__lm_to_phys() macros grew to some harder to understand bitwise
operations using PAGE_OFFSET. Since these macros only accept untagged
addresses, use a simple subtract operation.
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Acked-by: Ard Biesheuvel <ardb@kernel.org>
Cc: Will Deacon <will@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Link: https://lore.kernel.org/r/20210201190634.22942-3-catalin.marinas@arm.com
Commit 519ea6f1c8 ("arm64: Fix kernel address detection of
__is_lm_address()") fixed the incorrect validation of addresses below
PAGE_OFFSET. However, it no longer allowed tagged addresses to be passed
to virt_addr_valid().
Fix this by explicitly resetting the pointer tag prior to invoking
__is_lm_address(). This is consistent with the __lm_to_phys() macro.
Fixes: 519ea6f1c8 ("arm64: Fix kernel address detection of __is_lm_address()")
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Acked-by: Ard Biesheuvel <ardb@kernel.org>
Cc: <stable@vger.kernel.org> # 5.4.x
Cc: Will Deacon <will@kernel.org>
Cc: Vincenzo Frascino <vincenzo.frascino@arm.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Link: https://lore.kernel.org/r/20210201190634.22942-2-catalin.marinas@arm.com
sup_multicast_addr is passed to ether_addr_equal for address comparison
which casts the address inputs to u16 leading to an unaligned access.
Aligning the sup_multicast_addr to u16 boundary fixes the issue.
Signed-off-by: Andreas Oetken <andreas.oetken@siemens.com>
Link: https://lore.kernel.org/r/20210202090304.2740471-1-ennoerlangen@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'mlx5-fixes-2021-02-01' of git://git.kernel.org/pub/scm/linux/kernel/git/saeed/linux
Saeed Mahameed says:
====================
mlx5 fixes 2021-02-01
Please note the first patch in this series
("Fix function calculation for page trees") is fixing a regression
due to previous fix in net which you didn't include in your previous
rc pr. So I hope this series will make it into your next rc pr,
so mlx5 won't be broken in the next rc.
* tag 'mlx5-fixes-2021-02-01' of git://git.kernel.org/pub/scm/linux/kernel/git/saeed/linux:
net/mlx5e: Release skb in case of failure in tc update skb
net/mlx5e: Update max_opened_tc also when channels are closed
net/mlx5: Fix leak upon failure of rule creation
net/mlx5: Fix function calculation for page trees
====================
Link: https://lore.kernel.org/r/20210202070703.617251-1-saeed@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Alex Elder says:
====================
net: ipa: a few bug fixes
This series fixes four minor bugs. The first two are things that
sparse points out. All four are very simple and each patch should
explain itself pretty well.
====================
Link: https://lore.kernel.org/r/20210201232609.3524451-1-elder@linaro.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Fix two format specifiers that used %lu for a size_t in "ipa_mem.c".
Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
When extracting the destination endpoint ID from the status in
ipa_endpoint_status_skip(), u32_get_bits() is used. This happens to
work, but it's wrong: the structure field is only 8 bits wide
instead of 32.
Fix this by using u8_get_bits() to get the destination endpoint ID.
Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Sparse warns that the assignment of the metadata mask for a QMAP
endpoint in ipa_endpoint_init_hdr_metadata_mask() is a bad
assignment. We know we want the mask value to be big endian, even
though the value we write is in host byte order. Use a __force
tag to indicate we really mean it.
Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The virt local variable in gsi_channel_state() does not have an
__iomem attribute but should. Fix this.
Signed-off-by: Alex Elder <elder@linaro.org>
Reviewed-by: Amy Parker <enbyamy@gmail.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The "ring->addr = addr;" assignment is done a few lines later so we
can't use "ring->addr" yet. The correct dma_handle is "addr".
Fixes: 650d160382 ("soc: qcom: ipa: the generic software interface")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Alex Elder <elder@linaro.org>
Link: https://lore.kernel.org/r/YBjpTU2oejkNIULT@mwanda
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
So far phy_disconnect() is called before free_irq(). If CONFIG_DEBUG_SHIRQ
is set and interrupt is shared, then free_irq() creates an "artificial"
interrupt by calling the interrupt handler. The "link change" flag is set
in the interrupt status register, causing phylib to eventually call
phy_suspend(). Because the net_device is detached from the PHY already,
the PHY driver can't recognize that WoL is configured and powers down the
PHY.
Fixes: f1e911d5d0 ("r8169: add basic phylib support")
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Link: https://lore.kernel.org/r/fe732c2c-a473-9088-3974-df83cfbd6efd@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
syzbot found WARNING in rds_rdma_extra_size [1] when RDS_CMSG_RDMA_ARGS
control message is passed with user-controlled
0x40001 bytes of args->nr_local, causing order >= MAX_ORDER condition.
The exact value 0x40001 can be checked with UIO_MAXIOV which is 0x400.
So for kcalloc() 0x400 iovecs with sizeof(struct rds_iovec) = 0x10
is the closest limit, with 0x10 leftover.
Same condition is currently done in rds_cmsg_rdma_args().
[1] WARNING: mm/page_alloc.c:5011
[..]
Call Trace:
alloc_pages_current+0x18c/0x2a0 mm/mempolicy.c:2267
alloc_pages include/linux/gfp.h:547 [inline]
kmalloc_order+0x2e/0xb0 mm/slab_common.c:837
kmalloc_order_trace+0x14/0x120 mm/slab_common.c:853
kmalloc_array include/linux/slab.h:592 [inline]
kcalloc include/linux/slab.h:621 [inline]
rds_rdma_extra_size+0xb2/0x3b0 net/rds/rdma.c:568
rds_rm_size net/rds/send.c:928 [inline]
Reported-by: syzbot+1bd2b07f93745fa38425@syzkaller.appspotmail.com
Signed-off-by: Sabyrzhan Tasbolatov <snovitoll@gmail.com>
Acked-by: Santosh Shilimkar <santosh.shilimkar@oracle.com>
Link: https://lore.kernel.org/r/20210201203233.1324704-1-snovitoll@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Last TCAM data contains TCAM enable bit.
It should be written after SRAM data before entry enabled.
Fixes: 3f518509de ("ethernet: Add new driver for Marvell Armada 375 network unit")
Signed-off-by: Stefan Chulski <stefanc@marvell.com>
Link: https://lore.kernel.org/r/1612172139-28343-1-git-send-email-stefanc@marvell.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
When sending a packet, we will prepend it with an LAPB header.
This modifies the shared parts of a cloned skb, so we should copy the
skb rather than just clone it, before we prepend the header.
In "Documentation/networking/driver.rst" (the 2nd point), it states
that drivers shouldn't modify the shared parts of a cloned skb when
transmitting.
The "dev_queue_xmit_nit" function in "net/core/dev.c", which is called
when an skb is being sent, clones the skb and sents the clone to
AF_PACKET sockets. Because the LAPB drivers first remove a 1-byte
pseudo-header before handing over the skb to us, if we don't copy the
skb before prepending the LAPB header, the first byte of the packets
received on AF_PACKET sockets can be corrupted.
Fixes: 1da177e4c3 ("Linux-2.6.12-rc2")
Signed-off-by: Xie He <xie.he.0141@gmail.com>
Acked-by: Martin Schiller <ms@dev.tdt.de>
Link: https://lore.kernel.org/r/20210201055706.415842-1-xie.he.0141@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
- station rate tables were not updated correctly
after association, leading to bad configuration
- rtl8723bs (staging) was initializing data incorrectly
after the previous fix and needed to move the init
later
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Merge tag 'mac80211-for-net-2021-02-02' of git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211
Johannes Berg says:
====================
Two fixes:
- station rate tables were not updated correctly
after association, leading to bad configuration
- rtl8723bs (staging) was initializing data incorrectly
after the previous fix and needed to move the init
later
* tag 'mac80211-for-net-2021-02-02' of git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211:
staging: rtl8723bs: Move wiphy setup to after reading the regulatory settings from the chip
mac80211: fix station rate table updates on assoc
====================
Link: https://lore.kernel.org/r/20210202143505.37610-1-johannes@sipsolutions.net
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
When executing a tracepoint, the tracepoint's func is dereferenced twice -
in __DO_TRACE() (where the returned pointer is checked) and later on in
__traceiter_##_name where the returned pointer is dereferenced without
checking which leads to races against tracepoint_removal_sync() and
crashes.
This adds a check before referencing the pointer in tracepoint_ptr_deref.
Link: https://lkml.kernel.org/r/20210202072326.120557-1-aik@ozlabs.ru
Cc: stable@vger.kernel.org
Fixes: d25e37d89d ("tracepoint: Optimize using static_call()")
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
In case of failure in tc update skb the packet is dropped
without freeing the skb.
Fixed by freeing the skb in case failure in tc update skb.
Fixes: d6d2778286 ("net/mlx5: E-Switch, Restore chain id on miss")
Fixes: c756909722 ("net/mlx5e: Add tc chains offload support for nic flows")
Signed-off-by: Maor Dickman <maord@nvidia.com>
Reviewed-by: Roi Dayan <roid@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
max_opened_tc is used for stats, so that potentially non-zero stats
won't disappear when num_tc decreases. However, mlx5e_setup_tc_mqprio
fails to update it in the flow where channels are closed.
This commit fixes it. The new value of priv->channels.params.num_tc is
always checked on exit. In case of errors it will just be the old value,
and in case of success it will be the updated value.
Fixes: 05909babce ("net/mlx5e: Avoid reset netdev stats on configuration changes")
Signed-off-by: Maxim Mikityanskiy <maximmi@mellanox.com>
Reviewed-by: Tariq Toukan <tariqt@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
When creation of a new rule that requires allocation of an FTE fails,
need to call to tree_put_node on the FTE in order to release its'
resource.
Fixes: cefc23554f ("net/mlx5: Fix FTE cleanup")
Signed-off-by: Maor Gottlieb <maorg@nvidia.com>
Reviewed-by: Alaa Hleihel <alaa@nvidia.com>
Reviewed-by: Mark Bloch <mbloch@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
The function calculation always results in a value of 0. This works
generally, but when the release all pages feature is enabled it will
result in crashes.
Fixes: 0aa128475d ("net/mlx5: Maintain separate page trees for ECPF and PF functions")
Signed-off-by: Daniel Jurgens <danielj@nvidia.com>
Reported-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Tony Nguyen says:
====================
Intel Wired LAN Driver Updates 2021-02-01
This series contains updates to igc and i40e drivers.
Kai-Heng Feng fixes igc to report unknown speed and duplex during suspend
as an attempted read will cause errors.
Kevin Lo sets the default value to -IGC_ERR_NVM instead of success for
writing shadow RAM as this could miss a timeout. Also propagates the return
value for Flow Control configuration to properly pass on errors for igc.
Aleksandr reverts commit 2ad1274fa3 ("i40e: don't report link up for a VF
who hasn't enabled queues") as this can cause link flapping.
* '1GbE' of git://git.kernel.org/pub/scm/linux/kernel/git/tnguy/net-queue:
i40e: Revert "i40e: don't report link up for a VF who hasn't enabled queues"
igc: check return value of ret_val in igc_config_fc_after_link_up
igc: set the default return value to -IGC_ERR_NVM in igc_write_nvm_srwr
igc: Report speed and duplex as unknown when device is runtime suspended
====================
Link: https://lore.kernel.org/r/20210201214618.852831-1-anthony.l.nguyen@intel.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
UDP/IP header of UDP GROed frag_skbs are not updated even after NAT
forwarding. Only the header of head_skb from ip_finish_output_gso ->
skb_gso_segment is updated but following frag_skbs are not updated.
A call path skb_mac_gso_segment -> inet_gso_segment ->
udp4_ufo_fragment -> __udp_gso_segment -> __udp_gso_segment_list
does not try to update UDP/IP header of the segment list but copy
only the MAC header.
Update port, addr and check of each skb of the segment list in
__udp_gso_segment_list. It covers both SNAT and DNAT.
Fixes: 9fd1ff5d2a (udp: Support UDP fraglist GRO/GSO.)
Signed-off-by: Dongseok Yi <dseok.yi@samsung.com>
Acked-by: Steffen Klassert <steffen.klassert@secunet.com>
Link: https://lore.kernel.org/r/1611962007-80092-1-git-send-email-dseok.yi@samsung.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
dev->hard_header_len for tunnel interface is set only when header_ops
are set too and already contains full overhead of any tunnel encapsulation.
That's why there is not need to use this overhead twice in mtu calc.
Fixes: fdafed4599 ("ip_gre: set dev->hard_header_len and dev->needed_headroom properly")
Reported-by: Slava Bacherikov <mail@slava.cc>
Signed-off-by: Vadim Fedorenko <vfedorenko@novek.ru>
Link: https://lore.kernel.org/r/1611959267-20536-1-git-send-email-vfedorenko@novek.ru
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
There are multiple similar bugs implicitly introduced by the
commit c0cfa2d8a7 ("vsock: add multi-transports support") and
commit 6a2c096210 ("vsock: prevent transport modules unloading").
The bug pattern:
[1] vsock_sock.transport pointer is copied to a local variable,
[2] lock_sock() is called,
[3] the local variable is used.
VSOCK multi-transport support introduced the race condition:
vsock_sock.transport value may change between [1] and [2].
Let's copy vsock_sock.transport pointer to local variables after
the lock_sock() call.
Fixes: c0cfa2d8a7 ("vsock: add multi-transports support")
Signed-off-by: Alexander Popov <alex.popov@linux.com>
Reviewed-by: Stefano Garzarella <sgarzare@redhat.com>
Reviewed-by: Jorgen Hansen <jhansen@vmware.com>
Link: https://lore.kernel.org/r/20210201084719.2257066-1-alex.popov@linux.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Returning -EBUSY in ibmvnic_remove() does not actually hold the
removal procedure since driver core doesn't care for the return
value (see __device_release_driver() in drivers/base/dd.c
calling dev->bus->remove()) though vio_bus_remove
(in arch/powerpc/platforms/pseries/vio.c) records the
return value and passes it on. [1]
During the device removal precedure, checking for resetting
bit is dropped so that we can continue executing all the
cleanup calls in the rest of the remove function. Otherwise,
it can cause latent memory leaks and kernel crashes.
[1] https://lore.kernel.org/linuxppc-dev/20210117101242.dpwayq6wdgfdzirl@pengutronix.de/T/#m48f5befd96bc9842ece2a3ad14f4c27747206a53
Reported-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Fixes: 7d7195a026 ("ibmvnic: Do not process device remove during device reset")
Signed-off-by: Lijun Pan <ljp@linux.ibm.com>
Link: https://lore.kernel.org/r/20210129043402.95744-1-ljp@linux.ibm.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Having multiple destination ports for a unicast address does not make
sense.
Make port_db_load_purge override existent unicast portvec instead of
adding a new port bit.
Fixes: 8847293992 ("net: dsa: mv88e6xxx: handle multiple ports in ATU")
Signed-off-by: DENG Qingfang <dqfext@gmail.com>
Reviewed-by: Vladimir Oltean <olteanv@gmail.com>
Link: https://lore.kernel.org/r/20210130134334.10243-1-dqfext@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This reverts commit 2ad1274fa3
VF queues were not brought up when PF was brought up after being
downed if the VF driver disabled VFs queues during PF down.
This could happen in some older or external VF driver implementations.
The problem was that PF driver used vf->queues_enabled as a condition
to decide what link-state it would send out which caused the issue.
Remove the check for vf->queues_enabled in the VF link notify.
Now VF will always be notified of the current link status.
Also remove the queues_enabled member from i40e_vf structure as it is
not used anymore. Otherwise VNF implementation was broken and caused
a link flap.
The original commit was a workaround to avoid breaking existing VFs though
it's really a fault of the VF code not the PF. The commit should be safe to
revert as all of the VFs we know of have been fixed. Also, since we now
know there is a related bug in the workaround, removing it is preferred.
Fixes: 2ad1274fa3 ("i40e: don't report link up for a VF who hasn't enabled")
Signed-off-by: Aleksandr Loktionov <aleksandr.loktionov@intel.com>
Signed-off-by: Arkadiusz Kubalewski <arkadiusz.kubalewski@intel.com>
Tested-by: Konrad Jankowski <konrad0.jankowski@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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Merge tag 'media/v5.11-3' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
Pull media fixes from Mauro Carvalho Chehab:
"The rockship rkisp1 driver will be promoted from staging in 5.11.
While not too late, do a few uAPI changes which are needed to better
support its functionalities"
* tag 'media/v5.11-3' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media:
media: rockchip: rkisp1: extend uapi array sizes
media: rockchip: rkisp1: carry ip version information
media: rockchip: rkisp1: reduce number of histogram grid elements in uapi
media: rkisp1: stats: mask the hist_bins values
media: rkisp1: stats: remove a wrong cast to u8
media: rkisp1: uapi: change hist_bins array type from __u16 to __u32
