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Changes in 4.4.228
ipv6: fix IPV6_ADDRFORM operation logic
vxlan: Avoid infinite loop when suppressing NS messages with invalid options
scsi: return correct blkprep status code in case scsi_init_io() fails.
net: phy: marvell: Limit 88m1101 autoneg errata to 88E1145 as well.
pwm: fsl-ftm: Use flat regmap cache
igb: improve handling of disconnected adapters
ARM: 8977/1: ptrace: Fix mask for thumb breakpoint hook
sched/fair: Don't NUMA balance for kthreads
ath9k_htc: Silence undersized packet warnings
x86_64: Fix jiffies ODR violation
x86/speculation: Prevent rogue cross-process SSBD shutdown
x86/reboot/quirks: Add MacBook6,1 reboot quirk
efi/efivars: Add missing kobject_put() in sysfs entry creation error path
ALSA: es1688: Add the missed snd_card_free()
ALSA: usb-audio: Fix inconsistent card PM state after resume
ACPI: sysfs: Fix reference count leak in acpi_sysfs_add_hotplug_profile()
ACPI: PM: Avoid using power resources if there are none for D0
cgroup, blkcg: Prepare some symbols for module and !CONFIG_CGROUP usages
nilfs2: fix null pointer dereference at nilfs_segctor_do_construct()
spi: bcm2835aux: Fix controller unregister order
ALSA: pcm: disallow linking stream to itself
x86/speculation: Change misspelled STIPB to STIBP
x86/speculation: Add support for STIBP always-on preferred mode
x86/speculation: Avoid force-disabling IBPB based on STIBP and enhanced IBRS.
x86/speculation: PR_SPEC_FORCE_DISABLE enforcement for indirect branches.
spi: dw: fix possible race condition
spi: dw: Fix controller unregister order
spi: No need to assign dummy value in spi_unregister_controller()
spi: Fix controller unregister order
spi: pxa2xx: Fix controller unregister order
spi: bcm2835: Fix controller unregister order
ovl: initialize error in ovl_copy_xattr
proc: Use new_inode not new_inode_pseudo
video: fbdev: w100fb: Fix a potential double free.
KVM: nSVM: leave ASID aside in copy_vmcb_control_area
KVM: nVMX: Consult only the "basic" exit reason when routing nested exit
KVM: arm64: Make vcpu_cp1x() work on Big Endian hosts
ath9k: Fix use-after-free Read in ath9k_wmi_ctrl_rx
ath9k: Fix use-after-free Write in ath9k_htc_rx_msg
ath9x: Fix stack-out-of-bounds Write in ath9k_hif_usb_rx_cb
ath9k: Fix general protection fault in ath9k_hif_usb_rx_cb
Smack: slab-out-of-bounds in vsscanf
mm/slub: fix a memory leak in sysfs_slab_add()
fat: don't allow to mount if the FAT length == 0
can: kvaser_usb: kvaser_usb_leaf: Fix some info-leaks to USB devices
spi: dw: Zero DMA Tx and Rx configurations on stack
Bluetooth: Add SCO fallback for invalid LMP parameters error
kgdb: Prevent infinite recursive entries to the debugger
spi: dw: Enable interrupts in accordance with DMA xfer mode
clocksource: dw_apb_timer_of: Fix missing clockevent timers
btrfs: do not ignore error from btrfs_next_leaf() when inserting checksums
ARM: 8978/1: mm: make act_mm() respect THREAD_SIZE
net: vmxnet3: fix possible buffer overflow caused by bad DMA value in vmxnet3_get_rss()
staging: android: ion: use vmap instead of vm_map_ram
e1000: Distribute switch variables for initialization
media: dvb: return -EREMOTEIO on i2c transfer failure.
MIPS: Make sparse_init() using top-down allocation
netfilter: nft_nat: return EOPNOTSUPP if type or flags are not supported
lib/mpi: Fix 64-bit MIPS build with Clang
net: lpc-enet: fix error return code in lpc_mii_init()
net: allwinner: Fix use correct return type for ndo_start_xmit()
powerpc/spufs: fix copy_to_user while atomic
mips: cm: Fix an invalid error code of INTVN_*_ERR
kgdb: Fix spurious true from in_dbg_master()
md: don't flush workqueue unconditionally in md_open
mwifiex: Fix memory corruption in dump_station
mips: Add udelay lpj numbers adjustment
x86/mm: Stop printing BRK addresses
m68k: mac: Don't call via_flush_cache() on Mac IIfx
macvlan: Skip loopback packets in RX handler
PCI: Don't disable decoding when mmio_always_on is set
MIPS: Fix IRQ tracing when call handle_fpe() and handle_msa_fpe()
ixgbe: fix signed-integer-overflow warning
spi: dw: Return any value retrieved from the dma_transfer callback
cpuidle: Fix three reference count leaks
ima: Fix ima digest hash table key calculation
ext4: fix EXT_MAX_EXTENT/INDEX to check for zeroed eh_max
Btrfs: fix unreplayable log after snapshot delete + parent dir fsync
btrfs: send: emit file capabilities after chown
btrfs: fix error handling when submitting direct I/O bio
ima: Directly assign the ima_default_policy pointer to ima_rules
PCI: Program MPS for RCiEP devices
e1000e: Relax condition to trigger reset for ME workaround
carl9170: remove P2P_GO support
media: go7007: fix a miss of snd_card_free
b43legacy: Fix case where channel status is corrupted
b43: Fix connection problem with WPA3
b43_legacy: Fix connection problem with WPA3
igb: Report speed and duplex as unknown when device is runtime suspended
power: vexpress: add suppress_bind_attrs to true
pinctrl: samsung: Save/restore eint_mask over suspend for EINT_TYPE GPIOs
sparc32: fix register window handling in genregs32_[gs]et()
kernel/cpu_pm: Fix uninitted local in cpu_pm
ARM: tegra: Correct PL310 Auxiliary Control Register initialization
drivers/macintosh: Fix memleak in windfarm_pm112 driver
kbuild: force to build vmlinux if CONFIG_MODVERSION=y
sunrpc: svcauth_gss_register_pseudoflavor must reject duplicate registrations.
sunrpc: clean up properly in gss_mech_unregister()
w1: omap-hdq: cleanup to add missing newline for some dev_dbg
perf probe: Do not show the skipped events
perf symbols: Fix debuginfo search for Ubuntu
Linux 4.4.228
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: Ice915aaa684101ec7e774ccf43bfb533f84b4740
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| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
commit 85afd35575a3c1a3a905722dde5ee70b49282e70 upstream.
Reportedly, from 19.10 Ubuntu has begun mixing up the location of some
debug symbol files, putting files expected to be in
/usr/lib/debug/usr/lib into /usr/lib/debug/lib instead. Fix by adding
another dso_binary_type.
Example on Ubuntu 20.04
Before:
$ perf record -e intel_pt//u uname
Linux
[ perf record: Woken up 1 times to write data ]
[ perf record: Captured and wrote 0.030 MB perf.data ]
$ perf script --call-trace | head -5
uname 14003 [005] 15321.764958566: cbr: 42 freq: 4219 MHz (156%)
uname 14003 [005] 15321.764958566: (/usr/lib/x86_64-linux-gnu/ld-2.31.so ) 7f1e71cc4100
uname 14003 [005] 15321.764961566: (/usr/lib/x86_64-linux-gnu/ld-2.31.so ) 7f1e71cc4df0
uname 14003 [005] 15321.764961900: (/usr/lib/x86_64-linux-gnu/ld-2.31.so ) 7f1e71cc4e18
uname 14003 [005] 15321.764963233: (/usr/lib/x86_64-linux-gnu/ld-2.31.so ) 7f1e71cc5128
After:
$ perf script --call-trace | head -5
uname 14003 [005] 15321.764958566: cbr: 42 freq: 4219 MHz (156%)
uname 14003 [005] 15321.764958566: (/usr/lib/x86_64-linux-gnu/ld-2.31.so ) _start
uname 14003 [005] 15321.764961566: (/usr/lib/x86_64-linux-gnu/ld-2.31.so ) _dl_start
uname 14003 [005] 15321.764961900: (/usr/lib/x86_64-linux-gnu/ld-2.31.so ) _dl_start
uname 14003 [005] 15321.764963233: (/usr/lib/x86_64-linux-gnu/ld-2.31.so ) _dl_start
Reported-by: Travis Downs <travis.downs@gmail.com>
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: stable@vger.kernel.org
Link: http://lore.kernel.org/lkml/20200526155207.9172-1-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
|
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commit f41ebe9defacddeae96a872a33f0f22ced0bfcef upstream.
When a probe point is expanded to several places (like inlined) and if
some of them are skipped because of blacklisted or __init function,
those trace_events has no event name. It must be skipped while showing
results.
Without this fix, you can see "(null):(null)" on the list,
# ./perf probe request_resource
reserve_setup is out of .text, skip it.
Added new events:
(null):(null) (on request_resource)
probe:request_resource (on request_resource)
You can now use it in all perf tools, such as:
perf record -e probe:request_resource -aR sleep 1
#
With this fix, it is ignored:
# ./perf probe request_resource
reserve_setup is out of .text, skip it.
Added new events:
probe:request_resource (on request_resource)
You can now use it in all perf tools, such as:
perf record -e probe:request_resource -aR sleep 1
#
Fixes: 5a51fcd1f30c ("perf probe: Skip kernel symbols which is out of .text")
Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org>
Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: stable@vger.kernel.org
Link: http://lore.kernel.org/lkml/158763968263.30755.12800484151476026340.stgit@devnote2
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 5e02f3b31704e24537697bce54f8156bdb72b7a6 upstream.
Otherwise it will corrupt the console log during debugging.
Fixes: 7b5362a603a1 ("w1: omap_hdq: Fix some error/debug handling.")
Cc: stable@vger.kernel.org
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: H. Nikolaus Schaller <hns@goldelico.com>
Link: https://lore.kernel.org/r/cd0d55749a091214106575f6e1d363c6db56622f.1590255176.git.hns@goldelico.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 24c5efe41c29ee3e55bcf5a1c9f61ca8709622e8 upstream.
gss_mech_register() calls svcauth_gss_register_pseudoflavor() for each
flavour, but gss_mech_unregister() does not call auth_domain_put().
This is unbalanced and makes it impossible to reload the module.
Change svcauth_gss_register_pseudoflavor() to return the registered
auth_domain, and save it for later release.
Cc: stable@vger.kernel.org (v2.6.12+)
Link: https://bugzilla.kernel.org/show_bug.cgi?id=206651
Signed-off-by: NeilBrown <neilb@suse.de>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit d47a5dc2888fd1b94adf1553068b8dad76cec96c upstream.
There is no valid case for supporting duplicate pseudoflavor
registrations.
Currently the silent acceptance of such registrations is hiding a bug.
The rpcsec_gss_krb5 module registers 2 flavours but does not unregister
them, so if you load, unload, reload the module, it will happily
continue to use the old registration which now has pointers to the
memory were the module was originally loaded. This could lead to
unexpected results.
So disallow duplicate registrations.
Link: https://bugzilla.kernel.org/show_bug.cgi?id=206651
Cc: stable@vger.kernel.org (v2.6.12+)
Signed-off-by: NeilBrown <neilb@suse.de>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 4b50c8c4eaf06a825d1c005c0b1b4a8307087b83 upstream.
This code does not work as stated in the comment.
$(CONFIG_MODVERSIONS) is always empty because it is expanded before
include/config/auto.conf is included. Hence, 'make modules' with
CONFIG_MODVERSION=y cannot record the version CRCs.
This has been broken since 2003, commit ("kbuild: Enable modules to be
build using the "make dir/" syntax"). [1]
[1]: https://git.kernel.org/pub/scm/linux/kernel/git/history/history.git/commit/?id=15c6240cdc44bbeef3c4797ec860f9765ef4f1a7
Cc: linux-stable <stable@vger.kernel.org> # v2.5.71+
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 93900337b9ac2f4eca427eff6d187be2dc3b5551 upstream.
create_cpu_loop() calls smu_sat_get_sdb_partition() which does
kmalloc() and returns the allocated buffer. In fact it's called twice,
and neither buffer is freed.
This results in a memory leak as reported by Erhard:
unreferenced object 0xc00000047081f840 (size 32):
comm "kwindfarm", pid 203, jiffies 4294880630 (age 5552.877s)
hex dump (first 32 bytes):
c8 06 02 7f ff 02 ff 01 fb bf 00 41 00 20 00 00 ...........A. ..
00 07 89 37 00 a0 00 00 00 00 00 00 00 00 00 00 ...7............
backtrace:
[<0000000083f0a65c>] .smu_sat_get_sdb_partition+0xc4/0x2d0 [windfarm_smu_sat]
[<000000003010fcb7>] .pm112_wf_notify+0x104c/0x13bc [windfarm_pm112]
[<00000000b958b2dd>] .notifier_call_chain+0xa8/0x180
[<0000000070490868>] .blocking_notifier_call_chain+0x64/0x90
[<00000000131d8149>] .wf_thread_func+0x114/0x1a0
[<000000000d54838d>] .kthread+0x13c/0x190
[<00000000669b72bc>] .ret_from_kernel_thread+0x58/0x64
unreferenced object 0xc0000004737089f0 (size 16):
comm "kwindfarm", pid 203, jiffies 4294880879 (age 5552.050s)
hex dump (first 16 bytes):
c4 04 01 7f 22 11 e0 e6 ff 55 7b 12 ec 11 00 00 ...."....U{.....
backtrace:
[<0000000083f0a65c>] .smu_sat_get_sdb_partition+0xc4/0x2d0 [windfarm_smu_sat]
[<00000000b94ef7e1>] .pm112_wf_notify+0x1294/0x13bc [windfarm_pm112]
[<00000000b958b2dd>] .notifier_call_chain+0xa8/0x180
[<0000000070490868>] .blocking_notifier_call_chain+0x64/0x90
[<00000000131d8149>] .wf_thread_func+0x114/0x1a0
[<000000000d54838d>] .kthread+0x13c/0x190
[<00000000669b72bc>] .ret_from_kernel_thread+0x58/0x64
Fix it by rearranging the logic so we deal with each buffer
separately, which then makes it easy to free the buffer once we're
done with it.
Fixes: ac171c46667c ("[PATCH] powerpc: Thermal control for dual core G5s")
Cc: stable@vger.kernel.org # v2.6.16+
Reported-by: Erhard F. <erhard_f@mailbox.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Tested-by: Erhard F. <erhard_f@mailbox.org>
Link: https://lore.kernel.org/r/20200423060038.3308530-1-mpe@ellerman.id.au
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 35509737c8f958944e059d501255a0bf18361ba0 upstream.
The PL310 Auxiliary Control Register shouldn't have the "Full line of
zero" optimization bit being set before L2 cache is enabled. The L2X0
driver takes care of enabling the optimization by itself.
This patch fixes a noisy error message on Tegra20 and Tegra30 telling
that cache optimization is erroneously enabled without enabling it for
the CPU:
L2C-310: enabling full line of zeros but not enabled in Cortex-A9
Cc: <stable@vger.kernel.org>
Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Tested-by: Nicolas Chauvet <kwizart@gmail.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit b5945214b76a1f22929481724ffd448000ede914 upstream.
cpu_pm_notify() is basically a wrapper of notifier_call_chain().
notifier_call_chain() doesn't initialize *nr_calls to 0 before it
starts incrementing it--presumably it's up to the callers to do this.
Unfortunately the callers of cpu_pm_notify() don't init *nr_calls.
This potentially means you could get too many or two few calls to
CPU_PM_ENTER_FAILED or CPU_CLUSTER_PM_ENTER_FAILED depending on the
luck of the stack.
Let's fix this.
Fixes: ab10023e0088 ("cpu_pm: Add cpu power management notifiers")
Cc: stable@vger.kernel.org
Cc: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Douglas Anderson <dianders@chromium.org>
Link: https://lore.kernel.org/r/20200504104917.v6.3.I2d44fc0053d019f239527a4e5829416714b7e299@changeid
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit cf51e129b96847f969bfb8af1ee1516a01a70b39 upstream.
It needs access_process_vm() if the traced process does not share
mm with the caller. Solution is similar to what sparc64 does.
Note that genregs32_set() is only ever called with pos being 0
or 32 * sizeof(u32) (the latter - as part of PTRACE_SETREGS
handling).
Cc: stable@kernel.org
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit f354157a7d184db430c1a564c506434e33b1bec5 upstream.
Currently, for EINT_TYPE GPIOs, the CON and FLTCON registers
are saved and restored over a suspend/resume cycle. However, the
EINT_MASK registers are not.
On S5PV210 at the very least, these registers are not retained over
suspend, leading to the interrupts remaining masked upon resume and
therefore no interrupts being triggered for the device. There should
be no effect on any SoCs that do retain these registers as theoretically
we would just be re-writing what was already there.
Fixes: 7ccbc60cd9c2 ("pinctrl: exynos: Handle suspend/resume of GPIO EINT registers")
Cc: <stable@vger.kernel.org>
Signed-off-by: Jonathan Bakker <xc-racer2@live.ca>
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 73174acc9c75960af2daa7dcbdb9781fc0d135cb upstream.
Make sure that the POWER_RESET_VEXPRESS driver won't have bind/unbind
attributes available via the sysfs, so lets be explicit here and use
".suppress_bind_attrs = true" to prevent userspace from doing something
silly.
Link: https://lore.kernel.org/r/20200527112608.3886105-2-anders.roxell@linaro.org
Cc: stable@vger.kernel.org
Signed-off-by: Anders Roxell <anders.roxell@linaro.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 165ae7a8feb53dc47fb041357e4b253bfc927cf9 upstream.
igb device gets runtime suspended when there's no link partner. We can't
get correct speed under that state:
$ cat /sys/class/net/enp3s0/speed
1000
In addition to that, an error can also be spotted in dmesg:
[ 385.991957] igb 0000:03:00.0 enp3s0: PCIe link lost
Since device can only be runtime suspended when there's no link partner,
we can skip reading register and let the following logic set speed and
duplex with correct status.
The more generic approach will be wrap get_link_ksettings() with begin()
and complete() callbacks. However, for this particular issue, begin()
calls igb_runtime_resume() , which tries to rtnl_lock() while the lock
is already hold by upper ethtool layer.
So let's take this approach until the igb_runtime_resume() no longer
needs to hold rtnl_lock.
CC: stable <stable@vger.kernel.org>
Suggested-by: Alexander Duyck <alexander.duyck@gmail.com>
Signed-off-by: Kai-Heng Feng <kai.heng.feng@canonical.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 6a29d134c04a8acebb7a95251acea7ad7abba106 upstream.
Since the driver was first introduced into the kernel, it has only
handled the ciphers associated with WEP, WPA, and WPA2. It fails with
WPA3 even though mac80211 can handle those additional ciphers in software,
b43legacy did not report that it could handle them. By setting MFP_CAPABLE using
ieee80211_set_hw(), the problem is fixed.
With this change, b43legacy will handle the ciphers it knows in hardware,
and let mac80211 handle the others in software. It is not necessary to
use the module parameter NOHWCRYPT to turn hardware encryption off.
Although this change essentially eliminates that module parameter,
I am choosing to keep it for cases where the hardware is broken,
and software encryption is required for all ciphers.
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Cc: Stable <stable@vger.kernel.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20200526155909.5807-3-Larry.Finger@lwfinger.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 75d057bda1fbca6ade21378aa45db712e5f7d962 upstream.
Since the driver was first introduced into the kernel, it has only
handled the ciphers associated with WEP, WPA, and WPA2. It fails with
WPA3 even though mac80211 can handle those additional ciphers in software,
b43 did not report that it could handle them. By setting MFP_CAPABLE using
ieee80211_set_hw(), the problem is fixed.
With this change, b43 will handle the ciphers it knows in hardware,
and let mac80211 handle the others in software. It is not necessary to
use the module parameter NOHWCRYPT to turn hardware encryption off.
Although this change essentially eliminates that module parameter,
I am choosing to keep it for cases where the hardware is broken,
and software encryption is required for all ciphers.
Reported-and-tested-by: Rui Salvaterra <rsalvaterra@gmail.com>
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Cc: Stable <stable@vger.kernel.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20200526155909.5807-2-Larry.Finger@lwfinger.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit ec4d3e3a054578de34cd0b587ab8a1ac36f629d9 upstream.
This patch fixes commit 75388acd0cd8 ("add mac80211-based driver for
legacy BCM43xx devices")
In https://bugzilla.kernel.org/show_bug.cgi?id=207093, a defect in
b43legacy is reported. Upon testing, thus problem exists on PPC and
X86 platforms, is present in the oldest kernel tested (3.2), and
has been present in the driver since it was first added to the kernel.
The problem is a corrupted channel status received from the device.
Both the internal card in a PowerBook G4 and the PCMCIA version
(Broadcom BCM4306 with PCI ID 14e4:4320) have the problem. Only Rev, 2
(revision 4 of the 802.11 core) of the chip has been tested. No other
devices using b43legacy are available for testing.
Various sources of the problem were considered. Buffer overrun and
other sources of corruption within the driver were rejected because
the faulty channel status is always the same, not a random value.
It was concluded that the faulty data is coming from the device, probably
due to a firmware bug. As that source is not available, the driver
must take appropriate action to recover.
At present, the driver reports the error, and them continues to process
the bad packet. This is believed that to be a mistake, and the correct
action is to drop the correpted packet.
Fixes: 75388acd0cd8 ("add mac80211-based driver for legacy BCM43xx devices")
Cc: Stable <stable@vger.kernel.org>
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Reported-and-tested by: F. Erhard <erhard_f@mailbox.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20200407190043.1686-1-Larry.Finger@lwfinger.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 9453264ef58638ce8976121ac44c07a3ef375983 upstream.
go7007_snd_init() misses a snd_card_free() in an error path.
Add the missed call to fix it.
Signed-off-by: Chuhong Yuan <hslester96@gmail.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
[Salvatore Bonaccorso: Adjust context for backport to versions which do
not contain c0decac19da3 ("media: use strscpy() instead of strlcpy()")
and ba78170ef153 ("media: go7007: Fix misuse of strscpy")]
Signed-off-by: Salvatore Bonaccorso <carnil@debian.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit b14fba7ebd04082f7767a11daea7f12f3593de22 upstream.
This patch follows up on a bug-report by Frank Schäfer that
discovered P2P GO wasn't working with wpa_supplicant.
This patch removes part of the broken P2P GO support but
keeps the vif switchover code in place.
Cc: <stable@vger.kernel.org>
Link: <https://lkml.kernel.org/r/3a9d86b6-744f-e670-8792-9167257edef8@googlemail.com>
Reported-by: Frank Schäfer <fschaefer.oss@googlemail.com>
Signed-off-by: Christian Lamparter <chunkeey@gmail.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20200425092811.9494-1-chunkeey@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit d601afcae2febc49665008e9a79e701248d56c50 upstream.
It's an error if the value of the RX/TX tail descriptor does not match
what was written. The error condition is true regardless the duration
of the interference from ME. But the driver only performs the reset if
E1000_ICH_FWSM_PCIM2PCI_COUNT (2000) iterations of 50us delay have
transpired. The extra condition can lead to inconsistency between the
state of hardware as expected by the driver.
Fix this by dropping the check for number of delay iterations.
While at it, also make __ew32_prepare() static as it's not used
anywhere else.
CC: stable <stable@vger.kernel.org>
Signed-off-by: Punit Agrawal <punit1.agrawal@toshiba.co.jp>
Reviewed-by: Alexander Duyck <alexander.h.duyck@linux.intel.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit aa0ce96d72dd2e1b0dfd0fb868f82876e7790878 upstream.
Root Complex Integrated Endpoints (RCiEPs) do not have an upstream bridge,
so pci_configure_mps() previously ignored them, which may result in reduced
performance.
Instead, program the Max_Payload_Size of RCiEPs to the maximum supported
value (unless it is limited for the PCIE_BUS_PEER2PEER case). This also
affects the subsequent programming of Max_Read_Request_Size because Linux
programs MRRS based on the MPS value.
Fixes: 9dae3a97297f ("PCI: Move MPS configuration check to pci_configure_device()")
Link: https://lore.kernel.org/r/1585343775-4019-1-git-send-email-ashok.raj@intel.com
Tested-by: Dave Jiang <dave.jiang@intel.com>
Signed-off-by: Ashok Raj <ashok.raj@intel.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Cc: stable@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit 067a436b1b0aafa593344fddd711a755a58afb3b ]
This patch prevents the following oops:
[ 10.771813] BUG: kernel NULL pointer dereference, address: 0000000000000
[...]
[ 10.779790] RIP: 0010:ima_match_policy+0xf7/0xb80
[...]
[ 10.798576] Call Trace:
[ 10.798993] ? ima_lsm_policy_change+0x2b0/0x2b0
[ 10.799753] ? inode_init_owner+0x1a0/0x1a0
[ 10.800484] ? _raw_spin_lock+0x7a/0xd0
[ 10.801592] ima_must_appraise.part.0+0xb6/0xf0
[ 10.802313] ? ima_fix_xattr.isra.0+0xd0/0xd0
[ 10.803167] ima_must_appraise+0x4f/0x70
[ 10.804004] ima_post_path_mknod+0x2e/0x80
[ 10.804800] do_mknodat+0x396/0x3c0
It occurs when there is a failure during IMA initialization, and
ima_init_policy() is not called. IMA hooks still call ima_match_policy()
but ima_rules is NULL. This patch prevents the crash by directly assigning
the ima_default_policy pointer to ima_rules when ima_rules is defined. This
wouldn't alter the existing behavior, as ima_rules is always set at the end
of ima_init_policy().
Cc: stable@vger.kernel.org # 3.7.x
Fixes: 07f6a79415d7d ("ima: add appraise action keywords and default rules")
Reported-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Roberto Sassu <roberto.sassu@huawei.com>
Signed-off-by: Mimi Zohar <zohar@linux.ibm.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 6d3113a193e3385c72240096fe397618ecab6e43 ]
In btrfs_submit_direct_hook(), if a direct I/O write doesn't span a RAID
stripe or chunk, we submit orig_bio without cloning it. In this case, we
don't increment pending_bios. Then, if btrfs_submit_dio_bio() fails, we
decrement pending_bios to -1, and we never complete orig_bio. Fix it by
initializing pending_bios to 1 instead of incrementing later.
Fixing this exposes another bug: we put orig_bio prematurely and then
put it again from end_io. Fix it by not putting orig_bio.
After this change, pending_bios is really more of a reference count, but
I'll leave that cleanup separate to keep the fix small.
Fixes: e65e15355429 ("btrfs: fix panic caused by direct IO")
CC: stable@vger.kernel.org # 4.4+
Reviewed-by: Nikolay Borisov <nborisov@suse.com>
Reviewed-by: Josef Bacik <josef@toxicpanda.com>
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Signed-off-by: Omar Sandoval <osandov@fb.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 89efda52e6b6930f80f5adda9c3c9edfb1397191 ]
Whenever a chown is executed, all capabilities of the file being touched
are lost. When doing incremental send with a file with capabilities,
there is a situation where the capability can be lost on the receiving
side. The sequence of actions bellow shows the problem:
$ mount /dev/sda fs1
$ mount /dev/sdb fs2
$ touch fs1/foo.bar
$ setcap cap_sys_nice+ep fs1/foo.bar
$ btrfs subvolume snapshot -r fs1 fs1/snap_init
$ btrfs send fs1/snap_init | btrfs receive fs2
$ chgrp adm fs1/foo.bar
$ setcap cap_sys_nice+ep fs1/foo.bar
$ btrfs subvolume snapshot -r fs1 fs1/snap_complete
$ btrfs subvolume snapshot -r fs1 fs1/snap_incremental
$ btrfs send fs1/snap_complete | btrfs receive fs2
$ btrfs send -p fs1/snap_init fs1/snap_incremental | btrfs receive fs2
At this point, only a chown was emitted by "btrfs send" since only the
group was changed. This makes the cap_sys_nice capability to be dropped
from fs2/snap_incremental/foo.bar
To fix that, only emit capabilities after chown is emitted. The current
code first checks for xattrs that are new/changed, emits them, and later
emit the chown. Now, __process_new_xattr skips capabilities, letting
only finish_inode_if_needed to emit them, if they exist, for the inode
being processed.
This behavior was being worked around in "btrfs receive" side by caching
the capability and only applying it after chown. Now, xattrs are only
emmited _after_ chown, making that workaround not needed anymore.
Link: https://github.com/kdave/btrfs-progs/issues/202
CC: stable@vger.kernel.org # 4.4+
Suggested-by: Filipe Manana <fdmanana@suse.com>
Reviewed-by: Filipe Manana <fdmanana@suse.com>
Signed-off-by: Marcos Paulo de Souza <mpdesouza@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
|
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[ Upstream commit 1ec9a1ae1e30c733077c0b288c4301b66b7a81f2 ]
If we delete a snapshot, fsync its parent directory and crash/power fail
before the next transaction commit, on the next mount when we attempt to
replay the log tree of the root containing the parent directory we will
fail and prevent the filesystem from mounting, which is solvable by wiping
out the log trees with the btrfs-zero-log tool but very inconvenient as
we will lose any data and metadata fsynced before the parent directory
was fsynced.
For example:
$ mkfs.btrfs -f /dev/sdc
$ mount /dev/sdc /mnt
$ mkdir /mnt/testdir
$ btrfs subvolume snapshot /mnt /mnt/testdir/snap
$ btrfs subvolume delete /mnt/testdir/snap
$ xfs_io -c "fsync" /mnt/testdir
< crash / power failure and reboot >
$ mount /dev/sdc /mnt
mount: mount(2) failed: No such file or directory
And in dmesg/syslog we get the following message and trace:
[192066.361162] BTRFS info (device dm-0): failed to delete reference to snap, inode 257 parent 257
[192066.363010] ------------[ cut here ]------------
[192066.365268] WARNING: CPU: 4 PID: 5130 at fs/btrfs/inode.c:3986 __btrfs_unlink_inode+0x17a/0x354 [btrfs]()
[192066.367250] BTRFS: Transaction aborted (error -2)
[192066.368401] Modules linked in: btrfs dm_flakey dm_mod ppdev sha256_generic xor raid6_pq hmac drbg ansi_cprng aesni_intel acpi_cpufreq tpm_tis aes_x86_64 tpm ablk_helper evdev cryptd sg parport_pc i2c_piix4 psmouse lrw parport i2c_core pcspkr gf128mul processor serio_raw glue_helper button loop autofs4 ext4 crc16 mbcache jbd2 sd_mod sr_mod cdrom ata_generic virtio_scsi ata_piix libata virtio_pci virtio_ring crc32c_intel scsi_mod e1000 virtio floppy [last unloaded: btrfs]
[192066.377154] CPU: 4 PID: 5130 Comm: mount Tainted: G W 4.4.0-rc6-btrfs-next-20+ #1
[192066.378875] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS by qemu-project.org 04/01/2014
[192066.380889] 0000000000000000 ffff880143923670 ffffffff81257570 ffff8801439236b8
[192066.382561] ffff8801439236a8 ffffffff8104ec07 ffffffffa039dc2c 00000000fffffffe
[192066.384191] ffff8801ed31d000 ffff8801b9fc9c88 ffff8801086875e0 ffff880143923710
[192066.385827] Call Trace:
[192066.386373] [<ffffffff81257570>] dump_stack+0x4e/0x79
[192066.387387] [<ffffffff8104ec07>] warn_slowpath_common+0x99/0xb2
[192066.388429] [<ffffffffa039dc2c>] ? __btrfs_unlink_inode+0x17a/0x354 [btrfs]
[192066.389236] [<ffffffff8104ec68>] warn_slowpath_fmt+0x48/0x50
[192066.389884] [<ffffffffa039dc2c>] __btrfs_unlink_inode+0x17a/0x354 [btrfs]
[192066.390621] [<ffffffff81184b55>] ? iput+0xb0/0x266
[192066.391200] [<ffffffffa039ea25>] btrfs_unlink_inode+0x1c/0x3d [btrfs]
[192066.391930] [<ffffffffa03ca623>] check_item_in_log+0x1fe/0x29b [btrfs]
[192066.392715] [<ffffffffa03ca827>] replay_dir_deletes+0x167/0x1cf [btrfs]
[192066.393510] [<ffffffffa03cccc7>] replay_one_buffer+0x417/0x570 [btrfs]
[192066.394241] [<ffffffffa03ca164>] walk_up_log_tree+0x10e/0x1dc [btrfs]
[192066.394958] [<ffffffffa03cac72>] walk_log_tree+0xa5/0x190 [btrfs]
[192066.395628] [<ffffffffa03ce8b8>] btrfs_recover_log_trees+0x239/0x32c [btrfs]
[192066.396790] [<ffffffffa03cc8b0>] ? replay_one_extent+0x50a/0x50a [btrfs]
[192066.397891] [<ffffffffa0394041>] open_ctree+0x1d8b/0x2167 [btrfs]
[192066.398897] [<ffffffffa03706e1>] btrfs_mount+0x5ef/0x729 [btrfs]
[192066.399823] [<ffffffff8108ad98>] ? trace_hardirqs_on+0xd/0xf
[192066.400739] [<ffffffff8108959b>] ? lockdep_init_map+0xb9/0x1b3
[192066.401700] [<ffffffff811714b9>] mount_fs+0x67/0x131
[192066.402482] [<ffffffff81188560>] vfs_kern_mount+0x6c/0xde
[192066.403930] [<ffffffffa03702bd>] btrfs_mount+0x1cb/0x729 [btrfs]
[192066.404831] [<ffffffff8108ad98>] ? trace_hardirqs_on+0xd/0xf
[192066.405726] [<ffffffff8108959b>] ? lockdep_init_map+0xb9/0x1b3
[192066.406621] [<ffffffff811714b9>] mount_fs+0x67/0x131
[192066.407401] [<ffffffff81188560>] vfs_kern_mount+0x6c/0xde
[192066.408247] [<ffffffff8118ae36>] do_mount+0x893/0x9d2
[192066.409047] [<ffffffff8113009b>] ? strndup_user+0x3f/0x8c
[192066.409842] [<ffffffff8118b187>] SyS_mount+0x75/0xa1
[192066.410621] [<ffffffff8147e517>] entry_SYSCALL_64_fastpath+0x12/0x6b
[192066.411572] ---[ end trace 2de42126c1e0a0f0 ]---
[192066.412344] BTRFS: error (device dm-0) in __btrfs_unlink_inode:3986: errno=-2 No such entry
[192066.413748] BTRFS: error (device dm-0) in btrfs_replay_log:2464: errno=-2 No such entry (Failed to recover log tree)
[192066.415458] BTRFS error (device dm-0): cleaner transaction attach returned -30
[192066.444613] BTRFS: open_ctree failed
This happens because when we are replaying the log and processing the
directory entry pointing to the snapshot in the subvolume tree, we treat
its btrfs_dir_item item as having a location with a key type matching
BTRFS_INODE_ITEM_KEY, which is wrong because the type matches
BTRFS_ROOT_ITEM_KEY and therefore must be processed differently, as the
object id refers to a root number and not to an inode in the root
containing the parent directory.
So fix this by triggering a transaction commit if an fsync against the
parent directory is requested after deleting a snapshot. This is the
simplest approach for a rare use case. Some alternative that avoids the
transaction commit would require more code to explicitly delete the
snapshot at log replay time (factoring out common code from ioctl.c:
btrfs_ioctl_snap_destroy()), special care at fsync time to remove the
log tree of the snapshot's root from the log root of the root of tree
roots, amongst other steps.
A test case for xfstests that triggers the issue follows.
seq=`basename $0`
seqres=$RESULT_DIR/$seq
echo "QA output created by $seq"
tmp=/tmp/$$
status=1 # failure is the default!
trap "_cleanup; exit \$status" 0 1 2 3 15
_cleanup()
{
_cleanup_flakey
cd /
rm -f $tmp.*
}
# get standard environment, filters and checks
. ./common/rc
. ./common/filter
. ./common/dmflakey
# real QA test starts here
_need_to_be_root
_supported_fs btrfs
_supported_os Linux
_require_scratch
_require_dm_target flakey
_require_metadata_journaling $SCRATCH_DEV
rm -f $seqres.full
_scratch_mkfs >>$seqres.full 2>&1
_init_flakey
_mount_flakey
# Create a snapshot at the root of our filesystem (mount point path), delete it,
# fsync the mount point path, crash and mount to replay the log. This should
# succeed and after the filesystem is mounted the snapshot should not be visible
# anymore.
_run_btrfs_util_prog subvolume snapshot $SCRATCH_MNT $SCRATCH_MNT/snap1
_run_btrfs_util_prog subvolume delete $SCRATCH_MNT/snap1
$XFS_IO_PROG -c "fsync" $SCRATCH_MNT
_flakey_drop_and_remount
[ -e $SCRATCH_MNT/snap1 ] && \
echo "Snapshot snap1 still exists after log replay"
# Similar scenario as above, but this time the snapshot is created inside a
# directory and not directly under the root (mount point path).
mkdir $SCRATCH_MNT/testdir
_run_btrfs_util_prog subvolume snapshot $SCRATCH_MNT $SCRATCH_MNT/testdir/snap2
_run_btrfs_util_prog subvolume delete $SCRATCH_MNT/testdir/snap2
$XFS_IO_PROG -c "fsync" $SCRATCH_MNT/testdir
_flakey_drop_and_remount
[ -e $SCRATCH_MNT/testdir/snap2 ] && \
echo "Snapshot snap2 still exists after log replay"
_unmount_flakey
echo "Silence is golden"
status=0
exit
Signed-off-by: Filipe Manana <fdmanana@suse.com>
Tested-by: Liu Bo <bo.li.liu@oracle.com>
Reviewed-by: Liu Bo <bo.li.liu@oracle.com>
Signed-off-by: Chris Mason <clm@fb.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
|
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commit c36a71b4e35ab35340facdd6964a00956b9fef0a upstream.
If eh->eh_max is 0, EXT_MAX_EXTENT/INDEX would evaluate to unsigned
(-1) resulting in illegal memory accesses. Although there is no
consistent repro, we see that generic/019 sometimes crashes because of
this bug.
Ran gce-xfstests smoke and verified that there were no regressions.
Signed-off-by: Harshad Shirwadkar <harshadshirwadkar@gmail.com>
Link: https://lore.kernel.org/r/20200421023959.20879-2-harshadshirwadkar@gmail.com
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Cc: stable@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 1129d31b55d509f15e72dc68e4b5c3a4d7b4da8d upstream.
Function hash_long() accepts unsigned long, while currently only one byte
is passed from ima_hash_key(), which calculates a key for ima_htable.
Given that hashing the digest does not give clear benefits compared to
using the digest itself, remove hash_long() and return the modulus
calculated on the first two bytes of the digest with the number of slots.
Also reduce the depth of the hash table by doubling the number of slots.
Cc: stable@vger.kernel.org
Fixes: 3323eec921ef ("integrity: IMA as an integrity service provider")
Co-developed-by: Roberto Sassu <roberto.sassu@huawei.com>
Signed-off-by: Roberto Sassu <roberto.sassu@huawei.com>
Signed-off-by: Krzysztof Struczynski <krzysztof.struczynski@huawei.com>
Acked-by: David.Laight@aculab.com (big endian system concerns)
Signed-off-by: Mimi Zohar <zohar@linux.ibm.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit c343bf1ba5efcbf2266a1fe3baefec9cc82f867f ]
kobject_init_and_add() takes reference even when it fails.
If this function returns an error, kobject_put() must be called to
properly clean up the memory associated with the object.
Previous commit "b8eb718348b8" fixed a similar problem.
Signed-off-by: Qiushi Wu <wu000273@umn.edu>
[ rjw: Subject ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit f0410bbf7d0fb80149e3b17d11d31f5b5197873e ]
DW APB SSI DMA-part of the driver may need to perform the requested
SPI-transfer synchronously. In that case the dma_transfer() callback
will return 0 as a marker of the SPI transfer being finished so the
SPI core doesn't need to wait and may proceed with the SPI message
trasnfers pumping procedure. This will be needed to fix the problem
when DMA transactions are finished, but there is still data left in
the SPI Tx/Rx FIFOs being sent/received. But for now make dma_transfer
to return 1 as the normal dw_spi_transfer_one() method.
Signed-off-by: Serge Semin <Sergey.Semin@baikalelectronics.ru>
Cc: Georgy Vlasov <Georgy.Vlasov@baikalelectronics.ru>
Cc: Ramil Zaripov <Ramil.Zaripov@baikalelectronics.ru>
Cc: Alexey Malahov <Alexey.Malahov@baikalelectronics.ru>
Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Cc: Feng Tang <feng.tang@intel.com>
Cc: Rob Herring <robh+dt@kernel.org>
Cc: linux-mips@vger.kernel.org
Cc: devicetree@vger.kernel.org
Link: https://lore.kernel.org/r/20200529131205.31838-3-Sergey.Semin@baikalelectronics.ru
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 3b70683fc4d68f5d915d9dc7e5ba72c732c7315c ]
ubsan report this warning, fix it by adding a unsigned suffix.
UBSAN: signed-integer-overflow in
drivers/net/ethernet/intel/ixgbe/ixgbe_common.c:2246:26
65535 * 65537 cannot be represented in type 'int'
CPU: 21 PID: 7 Comm: kworker/u256:0 Not tainted 5.7.0-rc3-debug+ #39
Hardware name: Huawei TaiShan 2280 V2/BC82AMDC, BIOS 2280-V2 03/27/2020
Workqueue: ixgbe ixgbe_service_task [ixgbe]
Call trace:
dump_backtrace+0x0/0x3f0
show_stack+0x28/0x38
dump_stack+0x154/0x1e4
ubsan_epilogue+0x18/0x60
handle_overflow+0xf8/0x148
__ubsan_handle_mul_overflow+0x34/0x48
ixgbe_fc_enable_generic+0x4d0/0x590 [ixgbe]
ixgbe_service_task+0xc20/0x1f78 [ixgbe]
process_one_work+0x8f0/0xf18
worker_thread+0x430/0x6d0
kthread+0x218/0x238
ret_from_fork+0x10/0x18
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Xie XiuQi <xiexiuqi@huawei.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 31e1b3efa802f97a17628dde280006c4cee4ce5e ]
Register "a1" is unsaved in this function,
when CONFIG_TRACE_IRQFLAGS is enabled,
the TRACE_IRQS_OFF macro will call trace_hardirqs_off(),
and this may change register "a1".
The changed register "a1" as argument will be send
to do_fpe() and do_msa_fpe().
Signed-off-by: YuanJunQing <yuanjunqing66@163.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit b6caa1d8c80cb71b6162cb1f1ec13aa655026c9f ]
Don't disable MEM/IO decoding when a device have both non_compliant_bars
and mmio_always_on.
That would allow us quirk devices with junk in BARs but can't disable
their decoding.
Signed-off-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Acked-by: Bjorn Helgaas <helgaas@kernel.org>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 81f3dc9349ce0bf7b8447f147f45e70f0a5b36a6 ]
Ignore loopback-originatig packets soon enough and don't try to process L2
header where it doesn't exist. The very similar br_handle_frame() in bridge
code performs exactly the same check.
This is an example of such ICMPv6 packet:
skb len=96 headroom=40 headlen=96 tailroom=56
mac=(40,0) net=(40,40) trans=80
shinfo(txflags=0 nr_frags=0 gso(size=0 type=0 segs=0))
csum(0xae2e9a2f ip_summed=1 complete_sw=0 valid=0 level=0)
hash(0xc97ebd88 sw=1 l4=1) proto=0x86dd pkttype=5 iif=24
dev name=etha01.212 feat=0x0x0000000040005000
skb headroom: 00000000: 00 7c 86 52 84 88 ff ff 00 00 00 00 00 00 08 00
skb headroom: 00000010: 45 00 00 9e 5d 5c 40 00 40 11 33 33 00 00 00 01
skb headroom: 00000020: 02 40 43 80 00 00 86 dd
skb linear: 00000000: 60 09 88 bd 00 38 3a ff fe 80 00 00 00 00 00 00
skb linear: 00000010: 00 40 43 ff fe 80 00 00 ff 02 00 00 00 00 00 00
skb linear: 00000020: 00 00 00 00 00 00 00 01 86 00 61 00 40 00 00 2d
skb linear: 00000030: 00 00 00 00 00 00 00 00 03 04 40 e0 00 00 01 2c
skb linear: 00000040: 00 00 00 78 00 00 00 00 fd 5f 42 68 23 87 a8 81
skb linear: 00000050: 00 00 00 00 00 00 00 00 01 01 02 40 43 80 00 00
skb tailroom: 00000000: ...
skb tailroom: 00000010: ...
skb tailroom: 00000020: ...
skb tailroom: 00000030: ...
Call Trace, how it happens exactly:
...
macvlan_handle_frame+0x321/0x425 [macvlan]
? macvlan_forward_source+0x110/0x110 [macvlan]
__netif_receive_skb_core+0x545/0xda0
? enqueue_task_fair+0xe5/0x8e0
? __netif_receive_skb_one_core+0x36/0x70
__netif_receive_skb_one_core+0x36/0x70
process_backlog+0x97/0x140
net_rx_action+0x1eb/0x350
? __hrtimer_run_queues+0x136/0x2e0
__do_softirq+0xe3/0x383
do_softirq_own_stack+0x2a/0x40
</IRQ>
do_softirq.part.4+0x4e/0x50
netif_rx_ni+0x60/0xd0
dev_loopback_xmit+0x83/0xf0
ip6_finish_output2+0x575/0x590 [ipv6]
? ip6_cork_release.isra.1+0x64/0x90 [ipv6]
? __ip6_make_skb+0x38d/0x680 [ipv6]
? ip6_output+0x6c/0x140 [ipv6]
ip6_output+0x6c/0x140 [ipv6]
ip6_send_skb+0x1e/0x60 [ipv6]
rawv6_sendmsg+0xc4b/0xe10 [ipv6]
? proc_put_long+0xd0/0xd0
? rw_copy_check_uvector+0x4e/0x110
? sock_sendmsg+0x36/0x40
sock_sendmsg+0x36/0x40
___sys_sendmsg+0x2b6/0x2d0
? proc_dointvec+0x23/0x30
? addrconf_sysctl_forward+0x8d/0x250 [ipv6]
? dev_forward_change+0x130/0x130 [ipv6]
? _raw_spin_unlock+0x12/0x30
? proc_sys_call_handler.isra.14+0x9f/0x110
? __call_rcu+0x213/0x510
? get_max_files+0x10/0x10
? trace_hardirqs_on+0x2c/0xe0
? __sys_sendmsg+0x63/0xa0
__sys_sendmsg+0x63/0xa0
do_syscall_64+0x6c/0x1e0
entry_SYSCALL_64_after_hwframe+0x49/0xbe
Signed-off-by: Alexander Sverdlin <alexander.sverdlin@nokia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit bcc44f6b74106b31f0b0408b70305a40360d63b7 ]
There is no VIA2 chip on the Mac IIfx, so don't call via_flush_cache().
This avoids a boot crash which appeared in v5.4.
printk: console [ttyS0] enabled
printk: bootconsole [debug0] disabled
printk: bootconsole [debug0] disabled
Calibrating delay loop... 9.61 BogoMIPS (lpj=48064)
pid_max: default: 32768 minimum: 301
Mount-cache hash table entries: 1024 (order: 0, 4096 bytes, linear)
Mountpoint-cache hash table entries: 1024 (order: 0, 4096 bytes, linear)
devtmpfs: initialized
random: get_random_u32 called from bucket_table_alloc.isra.27+0x68/0x194 with crng_init=0
clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns
futex hash table entries: 256 (order: -1, 3072 bytes, linear)
NET: Registered protocol family 16
Data read fault at 0x00000000 in Super Data (pc=0x8a6a)
BAD KERNEL BUSERR
Oops: 00000000
Modules linked in:
PC: [<00008a6a>] via_flush_cache+0x12/0x2c
SR: 2700 SP: 01c1fe3c a2: 01c24000
d0: 00001119 d1: 0000000c d2: 00012000 d3: 0000000f
d4: 01c06840 d5: 00033b92 a0: 00000000 a1: 00000000
Process swapper (pid: 1, task=01c24000)
Frame format=B ssw=0755 isc=0200 isb=fff7 daddr=00000000 dobuf=01c1fed0
baddr=00008a6e dibuf=0000004e ver=f
Stack from 01c1fec4:
01c1fed0 00007d7e 00010080 01c1fedc 0000792e 00000001 01c1fef4 00006b40
01c80000 00040000 00000006 00000003 01c1ff1c 004a545e 004ff200 00040000
00000000 00000003 01c06840 00033b92 004a5410 004b6c88 01c1ff84 000021e2
00000073 00000003 01c06840 00033b92 0038507a 004bb094 004b6ca8 004b6c88
004b6ca4 004b6c88 000021ae 00020002 00000000 01c0685d 00000000 01c1ffb4
0049f938 00409c85 01c06840 0045bd40 00000073 00000002 00000002 00000000
Call Trace: [<00007d7e>] mac_cache_card_flush+0x12/0x1c
[<00010080>] fix_dnrm+0x2/0x18
[<0000792e>] cache_push+0x46/0x5a
[<00006b40>] arch_dma_prep_coherent+0x60/0x6e
[<00040000>] switched_to_dl+0x76/0xd0
[<004a545e>] dma_atomic_pool_init+0x4e/0x188
[<00040000>] switched_to_dl+0x76/0xd0
[<00033b92>] parse_args+0x0/0x370
[<004a5410>] dma_atomic_pool_init+0x0/0x188
[<000021e2>] do_one_initcall+0x34/0x1be
[<00033b92>] parse_args+0x0/0x370
[<0038507a>] strcpy+0x0/0x1e
[<000021ae>] do_one_initcall+0x0/0x1be
[<00020002>] do_proc_dointvec_conv+0x54/0x74
[<0049f938>] kernel_init_freeable+0x126/0x190
[<0049f94c>] kernel_init_freeable+0x13a/0x190
[<004a5410>] dma_atomic_pool_init+0x0/0x188
[<00041798>] complete+0x0/0x3c
[<000b9b0c>] kfree+0x0/0x20a
[<0038df98>] schedule+0x0/0xd0
[<0038d604>] kernel_init+0x0/0xda
[<0038d610>] kernel_init+0xc/0xda
[<0038d604>] kernel_init+0x0/0xda
[<00002d38>] ret_from_kernel_thread+0xc/0x14
Code: 0000 2079 0048 10da 2279 0048 10c8 d3c8 <1011> 0200 fff7 1280 d1f9 0048 10c8 1010 0000 0008 1080 4e5e 4e75 4e56 0000 2039
Disabling lock debugging due to kernel taint
Kernel panic - not syncing: Attempted to kill init! exitcode=0x0000000b
Thanks to Stan Johnson for capturing the console log and running git
bisect.
Git bisect said commit 8e3a68fb55e0 ("dma-mapping: make
dma_atomic_pool_init self-contained") is the first "bad" commit. I don't
know why. Perhaps mach_l2_flush first became reachable with that commit.
Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2")
Reported-and-tested-by: Stan Johnson <userm57@yahoo.com>
Signed-off-by: Finn Thain <fthain@telegraphics.com.au>
Cc: Joshua Thompson <funaho@jurai.org>
Link: https://lore.kernel.org/r/b8bbeef197d6b3898e82ed0d231ad08f575a4b34.1589949122.git.fthain@telegraphics.com.au
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 67d631b7c05eff955ccff4139327f0f92a5117e5 ]
This currently leaks kernel physical addresses into userspace.
Signed-off-by: Arvind Sankar <nivedita@alum.mit.edu>
Signed-off-by: Borislav Petkov <bp@suse.de>
Acked-by: Kees Cook <keescook@chromium.org>
Acked-by: Dave Hansen <dave.hansen@intel.com>
Link: https://lkml.kernel.org/r/20200229231120.1147527-1-nivedita@alum.mit.edu
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit ed26aacfb5f71eecb20a51c4467da440cb719d66 ]
Loops-per-jiffies is a special number which represents a number of
noop-loop cycles per CPU-scheduler quantum - jiffies. As you
understand aside from CPU-specific implementation it depends on
the CPU frequency. So when a platform has the CPU frequency fixed,
we have no problem and the current udelay interface will work
just fine. But as soon as CPU-freq driver is enabled and the cores
frequency changes, we'll end up with distorted udelay's. In order
to fix this we have to accordinly adjust the per-CPU udelay_val
(the same as the global loops_per_jiffy) number. This can be done
in the CPU-freq transition event handler. We subscribe to that event
in the MIPS arch time-inititalization method.
Co-developed-by: Alexey Malahov <Alexey.Malahov@baikalelectronics.ru>
Signed-off-by: Alexey Malahov <Alexey.Malahov@baikalelectronics.ru>
Signed-off-by: Serge Semin <Sergey.Semin@baikalelectronics.ru>
Reviewed-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Cc: Paul Burton <paulburton@kernel.org>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Rob Herring <robh+dt@kernel.org>
Cc: devicetree@vger.kernel.org
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 3aa42bae9c4d1641aeb36f1a8585cd1d506cf471 ]
The mwifiex_cfg80211_dump_station() uses static variable for iterating
over a linked list of all associated stations (when the driver is in UAP
role). This has a race condition if .dump_station is called in parallel
for multiple interfaces. This corruption can be triggered by registering
multiple SSIDs and calling, in parallel for multiple interfaces
iw dev <iface> station dump
[16750.719775] Unable to handle kernel paging request at virtual address dead000000000110
...
[16750.899173] Call trace:
[16750.901696] mwifiex_cfg80211_dump_station+0x94/0x100 [mwifiex]
[16750.907824] nl80211_dump_station+0xbc/0x278 [cfg80211]
[16750.913160] netlink_dump+0xe8/0x320
[16750.916827] netlink_recvmsg+0x1b4/0x338
[16750.920861] ____sys_recvmsg+0x7c/0x2b0
[16750.924801] ___sys_recvmsg+0x70/0x98
[16750.928564] __sys_recvmsg+0x58/0xa0
[16750.932238] __arm64_sys_recvmsg+0x28/0x30
[16750.936453] el0_svc_common.constprop.3+0x90/0x158
[16750.941378] do_el0_svc+0x74/0x90
[16750.944784] el0_sync_handler+0x12c/0x1a8
[16750.948903] el0_sync+0x114/0x140
[16750.952312] Code: f9400003 f907f423 eb02007f 54fffd60 (b9401060)
[16750.958583] ---[ end trace c8ad181c2f4b8576 ]---
This patch drops the use of the static iterator, and instead every time
the function is called iterates to the idx-th position of the
linked-list.
It would be better to convert the code not to use linked list for
associated stations storage (since the chip has a limited number of
associated stations anyway - it could just be an array). Such a change
may be proposed in the future. In the meantime this patch can backported
into stable kernels in this simple form.
Fixes: 8baca1a34d4c ("mwifiex: dump station support in uap mode")
Signed-off-by: Pali Rohár <pali@kernel.org>
Acked-by: Ganapathi Bhat <ganapathi.bhat@nxp.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20200515075924.13841-1-pali@kernel.org
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit f6766ff6afff70e2aaf39e1511e16d471de7c3ae ]
We need to check mddev->del_work before flush workqueu since the purpose
of flush is to ensure the previous md is disappeared. Otherwise the similar
deadlock appeared if LOCKDEP is enabled, it is due to md_open holds the
bdev->bd_mutex before flush workqueue.
kernel: [ 154.522645] ======================================================
kernel: [ 154.522647] WARNING: possible circular locking dependency detected
kernel: [ 154.522650] 5.6.0-rc7-lp151.27-default #25 Tainted: G O
kernel: [ 154.522651] ------------------------------------------------------
kernel: [ 154.522653] mdadm/2482 is trying to acquire lock:
kernel: [ 154.522655] ffff888078529128 ((wq_completion)md_misc){+.+.}, at: flush_workqueue+0x84/0x4b0
kernel: [ 154.522673]
kernel: [ 154.522673] but task is already holding lock:
kernel: [ 154.522675] ffff88804efa9338 (&bdev->bd_mutex){+.+.}, at: __blkdev_get+0x79/0x590
kernel: [ 154.522691]
kernel: [ 154.522691] which lock already depends on the new lock.
kernel: [ 154.522691]
kernel: [ 154.522694]
kernel: [ 154.522694] the existing dependency chain (in reverse order) is:
kernel: [ 154.522696]
kernel: [ 154.522696] -> #4 (&bdev->bd_mutex){+.+.}:
kernel: [ 154.522704] __mutex_lock+0x87/0x950
kernel: [ 154.522706] __blkdev_get+0x79/0x590
kernel: [ 154.522708] blkdev_get+0x65/0x140
kernel: [ 154.522709] blkdev_get_by_dev+0x2f/0x40
kernel: [ 154.522716] lock_rdev+0x3d/0x90 [md_mod]
kernel: [ 154.522719] md_import_device+0xd6/0x1b0 [md_mod]
kernel: [ 154.522723] new_dev_store+0x15e/0x210 [md_mod]
kernel: [ 154.522728] md_attr_store+0x7a/0xc0 [md_mod]
kernel: [ 154.522732] kernfs_fop_write+0x117/0x1b0
kernel: [ 154.522735] vfs_write+0xad/0x1a0
kernel: [ 154.522737] ksys_write+0xa4/0xe0
kernel: [ 154.522745] do_syscall_64+0x64/0x2b0
kernel: [ 154.522748] entry_SYSCALL_64_after_hwframe+0x49/0xbe
kernel: [ 154.522749]
kernel: [ 154.522749] -> #3 (&mddev->reconfig_mutex){+.+.}:
kernel: [ 154.522752] __mutex_lock+0x87/0x950
kernel: [ 154.522756] new_dev_store+0xc9/0x210 [md_mod]
kernel: [ 154.522759] md_attr_store+0x7a/0xc0 [md_mod]
kernel: [ 154.522761] kernfs_fop_write+0x117/0x1b0
kernel: [ 154.522763] vfs_write+0xad/0x1a0
kernel: [ 154.522765] ksys_write+0xa4/0xe0
kernel: [ 154.522767] do_syscall_64+0x64/0x2b0
kernel: [ 154.522769] entry_SYSCALL_64_after_hwframe+0x49/0xbe
kernel: [ 154.522770]
kernel: [ 154.522770] -> #2 (kn->count#253){++++}:
kernel: [ 154.522775] __kernfs_remove+0x253/0x2c0
kernel: [ 154.522778] kernfs_remove+0x1f/0x30
kernel: [ 154.522780] kobject_del+0x28/0x60
kernel: [ 154.522783] mddev_delayed_delete+0x24/0x30 [md_mod]
kernel: [ 154.522786] process_one_work+0x2a7/0x5f0
kernel: [ 154.522788] worker_thread+0x2d/0x3d0
kernel: [ 154.522793] kthread+0x117/0x130
kernel: [ 154.522795] ret_from_fork+0x3a/0x50
kernel: [ 154.522796]
kernel: [ 154.522796] -> #1 ((work_completion)(&mddev->del_work)){+.+.}:
kernel: [ 154.522800] process_one_work+0x27e/0x5f0
kernel: [ 154.522802] worker_thread+0x2d/0x3d0
kernel: [ 154.522804] kthread+0x117/0x130
kernel: [ 154.522806] ret_from_fork+0x3a/0x50
kernel: [ 154.522807]
kernel: [ 154.522807] -> #0 ((wq_completion)md_misc){+.+.}:
kernel: [ 154.522813] __lock_acquire+0x1392/0x1690
kernel: [ 154.522816] lock_acquire+0xb4/0x1a0
kernel: [ 154.522818] flush_workqueue+0xab/0x4b0
kernel: [ 154.522821] md_open+0xb6/0xc0 [md_mod]
kernel: [ 154.522823] __blkdev_get+0xea/0x590
kernel: [ 154.522825] blkdev_get+0x65/0x140
kernel: [ 154.522828] do_dentry_open+0x1d1/0x380
kernel: [ 154.522831] path_openat+0x567/0xcc0
kernel: [ 154.522834] do_filp_open+0x9b/0x110
kernel: [ 154.522836] do_sys_openat2+0x201/0x2a0
kernel: [ 154.522838] do_sys_open+0x57/0x80
kernel: [ 154.522840] do_syscall_64+0x64/0x2b0
kernel: [ 154.522842] entry_SYSCALL_64_after_hwframe+0x49/0xbe
kernel: [ 154.522844]
kernel: [ 154.522844] other info that might help us debug this:
kernel: [ 154.522844]
kernel: [ 154.522846] Chain exists of:
kernel: [ 154.522846] (wq_completion)md_misc --> &mddev->reconfig_mutex --> &bdev->bd_mutex
kernel: [ 154.522846]
kernel: [ 154.522850] Possible unsafe locking scenario:
kernel: [ 154.522850]
kernel: [ 154.522852] CPU0 CPU1
kernel: [ 154.522853] ---- ----
kernel: [ 154.522854] lock(&bdev->bd_mutex);
kernel: [ 154.522856] lock(&mddev->reconfig_mutex);
kernel: [ 154.522858] lock(&bdev->bd_mutex);
kernel: [ 154.522860] lock((wq_completion)md_misc);
kernel: [ 154.522861]
kernel: [ 154.522861] *** DEADLOCK ***
kernel: [ 154.522861]
kernel: [ 154.522864] 1 lock held by mdadm/2482:
kernel: [ 154.522865] #0: ffff88804efa9338 (&bdev->bd_mutex){+.+.}, at: __blkdev_get+0x79/0x590
kernel: [ 154.522868]
kernel: [ 154.522868] stack backtrace:
kernel: [ 154.522873] CPU: 1 PID: 2482 Comm: mdadm Tainted: G O 5.6.0-rc7-lp151.27-default #25
kernel: [ 154.522875] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.10.2-1ubuntu1 04/01/2014
kernel: [ 154.522878] Call Trace:
kernel: [ 154.522881] dump_stack+0x8f/0xcb
kernel: [ 154.522884] check_noncircular+0x194/0x1b0
kernel: [ 154.522888] ? __lock_acquire+0x1392/0x1690
kernel: [ 154.522890] __lock_acquire+0x1392/0x1690
kernel: [ 154.522893] lock_acquire+0xb4/0x1a0
kernel: [ 154.522895] ? flush_workqueue+0x84/0x4b0
kernel: [ 154.522898] flush_workqueue+0xab/0x4b0
kernel: [ 154.522900] ? flush_workqueue+0x84/0x4b0
kernel: [ 154.522905] ? md_open+0xb6/0xc0 [md_mod]
kernel: [ 154.522908] md_open+0xb6/0xc0 [md_mod]
kernel: [ 154.522910] __blkdev_get+0xea/0x590
kernel: [ 154.522912] ? bd_acquire+0xc0/0xc0
kernel: [ 154.522914] blkdev_get+0x65/0x140
kernel: [ 154.522916] ? bd_acquire+0xc0/0xc0
kernel: [ 154.522918] do_dentry_open+0x1d1/0x380
kernel: [ 154.522921] path_openat+0x567/0xcc0
kernel: [ 154.522923] ? __lock_acquire+0x380/0x1690
kernel: [ 154.522926] do_filp_open+0x9b/0x110
kernel: [ 154.522929] ? __alloc_fd+0xe5/0x1f0
kernel: [ 154.522935] ? kmem_cache_alloc+0x28c/0x630
kernel: [ 154.522939] ? do_sys_openat2+0x201/0x2a0
kernel: [ 154.522941] do_sys_openat2+0x201/0x2a0
kernel: [ 154.522944] do_sys_open+0x57/0x80
kernel: [ 154.522946] do_syscall_64+0x64/0x2b0
kernel: [ 154.522948] entry_SYSCALL_64_after_hwframe+0x49/0xbe
kernel: [ 154.522951] RIP: 0033:0x7f98d279d9ae
And md_alloc also flushed the same workqueue, but the thing is different
here. Because all the paths call md_alloc don't hold bdev->bd_mutex, and
the flush is necessary to avoid race condition, so leave it as it is.
Signed-off-by: Guoqing Jiang <guoqing.jiang@cloud.ionos.com>
Signed-off-by: Song Liu <songliubraving@fb.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 3fec4aecb311995189217e64d725cfe84a568de3 ]
Currently there is a small window where a badly timed migration could
cause in_dbg_master() to spuriously return true. Specifically if we
migrate to a new core after reading the processor id and the previous
core takes a breakpoint then we will evaluate true if we read
kgdb_active before we get the IPI to bring us to halt.
Fix this by checking irqs_disabled() first. Interrupts are always
disabled when we are executing the kgdb trap so this is an acceptable
prerequisite. This also allows us to replace raw_smp_processor_id()
with smp_processor_id() since the short circuit logic will prevent
warnings from PREEMPT_DEBUG.
Fixes: dcc7871128e9 ("kgdb: core changes to support kdb")
Suggested-by: Will Deacon <will@kernel.org>
Link: https://lore.kernel.org/r/20200506164223.2875760-1-daniel.thompson@linaro.org
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Signed-off-by: Daniel Thompson <daniel.thompson@linaro.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 8a0efb8b101665a843205eab3d67ab09cb2d9a8d ]
Commit 3885c2b463f6 ("MIPS: CM: Add support for reporting CM cache
errors") adds cm2_causes[] array with map of error type ID and
pointers to the short description string. There is a mistake in
the table, since according to MIPS32 manual CM2_ERROR_TYPE = {17,18}
correspond to INTVN_WR_ERR and INTVN_RD_ERR, while the table
claims they have {0x17,0x18} codes. This is obviously hex-dec
copy-paste bug. Moreover codes {0x18 - 0x1a} indicate L2 ECC errors.
Fixes: 3885c2b463f6 ("MIPS: CM: Add support for reporting CM cache errors")
Signed-off-by: Serge Semin <Sergey.Semin@baikalelectronics.ru>
Cc: Alexey Malahov <Alexey.Malahov@baikalelectronics.ru>
Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Cc: Paul Burton <paulburton@kernel.org>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Rob Herring <robh+dt@kernel.org>
Cc: linux-pm@vger.kernel.org
Cc: devicetree@vger.kernel.org
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 88413a6bfbbe2f648df399b62f85c934460b7a4d ]
Currently, we may perform a copy_to_user (through
simple_read_from_buffer()) while holding a context's register_lock,
while accessing the context save area.
This change uses a temporary buffer for the context save area data,
which we then pass to simple_read_from_buffer.
Includes changes from Christoph Hellwig <hch@lst.de>.
Fixes: bf1ab978be23 ("[POWERPC] coredump: Add SPU elf notes to coredump.")
Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
[hch: renamed to function to avoid ___-prefixes]
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 09f6c44aaae0f1bdb8b983d7762676d5018c53bc ]
The method ndo_start_xmit() returns a value of type netdev_tx_t. Fix
the ndo function to use the correct type. And emac_start_xmit() can
leak one skb if 'channel' == 3.
Signed-off-by: Yunjian Wang <wangyunjian@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 88ec7cb22ddde725ed4ce15991f0bd9dd817fd85 ]
Fix to return a negative error code from the error handling
case instead of 0, as done elsewhere in this function.
Fixes: b7370112f519 ("lpc32xx: Added ethernet driver")
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Acked-by: Vladimir Zapolskiy <vz@mleia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 18f1ca46858eac22437819937ae44aa9a8f9f2fa ]
When building 64r6_defconfig with CONFIG_MIPS32_O32 disabled and
CONFIG_CRYPTO_RSA enabled:
lib/mpi/generic_mpih-mul1.c:37:24: error: invalid use of a cast in a
inline asm context requiring an l-value: remove the cast
or build with -fheinous-gnu-extensions
umul_ppmm(prod_high, prod_low, s1_ptr[j], s2_limb);
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
lib/mpi/longlong.h:664:22: note: expanded from macro 'umul_ppmm'
: "=d" ((UDItype)(w0))
~~~~~~~~~~^~~
lib/mpi/generic_mpih-mul1.c:37:13: error: invalid use of a cast in a
inline asm context requiring an l-value: remove the cast
or build with -fheinous-gnu-extensions
umul_ppmm(prod_high, prod_low, s1_ptr[j], s2_limb);
~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
lib/mpi/longlong.h:668:22: note: expanded from macro 'umul_ppmm'
: "=d" ((UDItype)(w1))
~~~~~~~~~~^~~
2 errors generated.
This special case for umul_ppmm for MIPS64r6 was added in
commit bbc25bee37d2b ("lib/mpi: Fix umul_ppmm() for MIPS64r6"), due to
GCC being inefficient and emitting a __multi3 intrinsic.
There is no such issue with clang; with this patch applied, I can build
this configuration without any problems and there are no link errors
like mentioned in the commit above (which I can still reproduce with
GCC 9.3.0 when that commit is reverted). Only use this definition when
GCC is being used.
This really should have been caught by commit b0c091ae04f67 ("lib/mpi:
Eliminate unused umul_ppmm definitions for MIPS") when I was messing
around in this area but I was not testing 64-bit MIPS at the time.
Link: https://github.com/ClangBuiltLinux/linux/issues/885
Reported-by: Dmitry Golovin <dima@golovin.in>
Signed-off-by: Nathan Chancellor <natechancellor@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 0d7c83463fdf7841350f37960a7abadd3e650b41 ]
Instead of EINVAL which should be used for malformed netlink messages.
Fixes: eb31628e37a0 ("netfilter: nf_tables: Add support for IPv6 NAT")
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 269b3a9ac538c4ae87f84be640b9fa89914a2489 ]
In the current code, if CONFIG_SWIOTLB is set, when failed to get IO TLB
memory from the low pages by plat_swiotlb_setup(), it may lead to the boot
process failed with kernel panic.
(1) On the Loongson and SiByte platform
arch/mips/loongson64/dma.c
arch/mips/sibyte/common/dma.c
void __init plat_swiotlb_setup(void)
{
swiotlb_init(1);
}
kernel/dma/swiotlb.c
void __init
swiotlb_init(int verbose)
{
...
vstart = memblock_alloc_low(PAGE_ALIGN(bytes), PAGE_SIZE);
if (vstart && !swiotlb_init_with_tbl(vstart, io_tlb_nslabs, verbose))
return;
...
pr_warn("Cannot allocate buffer");
no_iotlb_memory = true;
}
phys_addr_t swiotlb_tbl_map_single()
{
...
if (no_iotlb_memory)
panic("Can not allocate SWIOTLB buffer earlier ...");
...
}
(2) On the Cavium OCTEON platform
arch/mips/cavium-octeon/dma-octeon.c
void __init plat_swiotlb_setup(void)
{
...
octeon_swiotlb = memblock_alloc_low(swiotlbsize, PAGE_SIZE);
if (!octeon_swiotlb)
panic("%s: Failed to allocate %zu bytes align=%lx\n",
__func__, swiotlbsize, PAGE_SIZE);
...
}
Because IO_TLB_DEFAULT_SIZE is 64M, if the rest size of low memory is less
than 64M when call plat_swiotlb_setup(), we can easily reproduce the panic
case.
In order to reduce the possibility of kernel panic when failed to get IO
TLB memory under CONFIG_SWIOTLB, it is better to allocate low memory as
small as possible before plat_swiotlb_setup(), so make sparse_init() using
top-down allocation.
Reported-by: Juxin Gao <gaojuxin@loongson.cn>
Co-developed-by: Juxin Gao <gaojuxin@loongson.cn>
Signed-off-by: Juxin Gao <gaojuxin@loongson.cn>
Signed-off-by: Tiezhu Yang <yangtiezhu@loongson.cn>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 96f3a9392799dd0f6472648a7366622ffd0989f3 ]
Currently when i2c transfers fail the error return -EREMOTEIO
is assigned to err but then later overwritten when the tuner
attach call is made. Fix this by returning early with the
error return code -EREMOTEIO on i2c transfer failure errors.
If the transfer fails, an uninitialized value will be read from b2.
Addresses-Coverity: ("Unused value")
Fixes: fbfee8684ff2 ("V4L/DVB (5651): Dibusb-mb: convert pll handling to properly use dvb-pll")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit a34c7f5156654ebaf7eaace102938be7ff7036cb ]
Variables declared in a switch statement before any case statements
cannot be automatically initialized with compiler instrumentation (as
they are not part of any execution flow). With GCC's proposed automatic
stack variable initialization feature, this triggers a warning (and they
don't get initialized). Clang's automatic stack variable initialization
(via CONFIG_INIT_STACK_ALL=y) doesn't throw a warning, but it also
doesn't initialize such variables[1]. Note that these warnings (or silent
skipping) happen before the dead-store elimination optimization phase,
so even when the automatic initializations are later elided in favor of
direct initializations, the warnings remain.
To avoid these problems, move such variables into the "case" where
they're used or lift them up into the main function body.
drivers/net/ethernet/intel/e1000/e1000_main.c: In function ‘e1000_xmit_frame’:
drivers/net/ethernet/intel/e1000/e1000_main.c:3143:18: warning: statement will never be executed [-Wswitch-unreachable]
3143 | unsigned int pull_size;
| ^~~~~~~~~
[1] https://bugs.llvm.org/show_bug.cgi?id=44916
Signed-off-by: Kees Cook <keescook@chromium.org>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
|
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[ Upstream commit 5bf9917452112694b2c774465ee4dbe441c84b77 ]
vm_map_ram can keep mappings around after the vm_unmap_ram. Using that
with non-PAGE_KERNEL mappings can lead to all kinds of aliasing issues.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Christian Borntraeger <borntraeger@de.ibm.com>
Cc: Christophe Leroy <christophe.leroy@c-s.fr>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: David Airlie <airlied@linux.ie>
Cc: Gao Xiang <xiang@kernel.org>
Cc: Haiyang Zhang <haiyangz@microsoft.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: "K. Y. Srinivasan" <kys@microsoft.com>
Cc: Laura Abbott <labbott@redhat.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Michael Kelley <mikelley@microsoft.com>
Cc: Minchan Kim <minchan@kernel.org>
Cc: Nitin Gupta <ngupta@vflare.org>
Cc: Robin Murphy <robin.murphy@arm.com>
Cc: Sakari Ailus <sakari.ailus@linux.intel.com>
Cc: Stephen Hemminger <sthemmin@microsoft.com>
Cc: Sumit Semwal <sumit.semwal@linaro.org>
Cc: Wei Liu <wei.liu@kernel.org>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: Paul Mackerras <paulus@ozlabs.org>
Cc: Vasily Gorbik <gor@linux.ibm.com>
Cc: Will Deacon <will@kernel.org>
Link: http://lkml.kernel.org/r/20200414131348.444715-4-hch@lst.de
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
|
