Since 'commit f332a9d53e33 ("softirq: defer softirq processing to
ksoftirqd if CPU is busy with RT")', all softirqs are deferred
to ksoftirqd if one of the potentially long softirqs are pending.
This can significantly delay processing of tasklets and timers,
which are frequently designed to be running at high priority.
Defer only the potentially slow softirqs to ksoftirqd.
Change-Id: I7a2ef7c59749ccf086066c59962ff326786da6f4
Signed-off-by: Björn Davidsson <bjorn.davidsson@sony.com>
[clingutla@codeaurora.org:- Renamed local variables and refactored
deferred logic to macro for avoiding potential deadlock.]
Signed-off-by: Lingutla Chandrasekhar <clingutla@codeaurora.org>
Signed-off-by: Satya Durga Srinivasu Prabhala <satyap@codeaurora.org>
Ksfotirqd is a normal priority CFS task. It can experience higher
scheduling latency under heavy load conditions. Currently once
asynchronous softirq processing is deferred to ksoftirqd, softirqs
are not processed further until ksoftirqd task gets a chance to run.
High latencies for softirqs like TIMER, HI TASKLET is not acceptable.
So revert 'commit 4cd13c21b207 ("softirq: Let ksoftirqd do its job")'.
Change-Id: I38a1a88b5f42dd534c65d739dbb7e4321a7904db
Signed-off-by: Lingutla Chandrasekhar <clingutla@codeaurora.org>
Signed-off-by: Satya Durga Srinivasu Prabhala <satyap@codeaurora.org>
Defer the softirq processing to ksoftirqd if a RT task is running
or queued on the current CPU. This complements the RT task placement
algorithm which tries to find a CPU that is not currently busy with
softirqs.
Currently NET_TX, NET_RX, BLOCK and TASKLET softirqs are only deferred
as they can potentially run for long time.
Change-Id: Id7665244af6bbd5a96d9e591cf26154e9eaa860c
Signed-off-by: Pavankumar Kondeti <pkondeti@codeaurora.org>
[satyap@codeaurora.org: trivial merge conflict resolution.]
Signed-off-by: Satya Durga Srinivasu Prabhala <satyap@codeaurora.org>
* remotes/origin/tmp-bb60f28:
Linux 4.14.37
mac80211_hwsim: fix use-after-free bug in hwsim_exit_net
Revert "KVM: X86: Fix SMRAM accessing even if VM is shutdown"
RDMA/mlx5: Fix NULL dereference while accessing XRC_TGT QPs
perf: Return proper values for user stack errors
perf: Fix sample_max_stack maximum check
netfilter: x_tables: limit allocation requests for blob rule heads
netfilter: compat: reject huge allocation requests
netfilter: compat: prepare xt_compat_init_offsets to return errors
netfilter: x_tables: add counters allocation wrapper
netfilter: x_tables: cap allocations at 512 mbyte
alarmtimer: Init nanosleep alarm timer on stack
RDMA/core: Reduce poll batch for direct cq polling
irqchip/gic-v3: Change pr_debug message to pr_devel
cpumask: Make for_each_cpu_wrap() available on UP as well
irqchip/gic-v3: Ignore disabled ITS nodes
perf test: Fix test trace+probe_libc_inet_pton.sh for s390x
powerpc/powernv: IMC fix out of bounds memory access at shutdown
locking/qspinlock: Ensure node->count is updated before initialising node
x86/platform/UV: Fix GAM Range Table entries less than 1GB
powerpc/mm/hash64: Zero PGD pages on allocation
vfs/proc/kcore, x86/mm/kcore: Fix SMAP fault when dumping vsyscall user page
PM / wakeirq: Fix unbalanced IRQ enable for wakeirq
ACPI / EC: Restore polling during noirq suspend/resume phases
bpf: fix rlimit in reuseport net selftest
net: stmmac: discard disabled flags in interrupt status register
SUNRPC: Don't call __UDPX_INC_STATS() from a preemptible context
KVM: PPC: Book3S HV: Fix handling of secondary HPTEG in HPT resizing code
tools/libbpf: handle issues with bpf ELF objects containing .eh_frames
net: Extra '_get' in declaration of arch_get_platform_mac_address
svcrdma: Fix Read chunk round-up
rxrpc: Don't put crypto buffers on the stack
selftests/ftrace: Add some missing glob checks
cpufreq: intel_pstate: Enable HWP during system resume on CPU0
bcache: return attach error when no cache set exist
bcache: fix for data collapse after re-attaching an attached device
bcache: fix for allocator and register thread race
bcache: properly set task state in bch_writeback_thread()
cifs: silence compiler warnings showing up with gcc-8.0.0
PM / domains: Fix up domain-idle-states OF parsing
proc: fix /proc/*/map_files lookup
arm64: spinlock: Fix theoretical trylock() A-B-A with LSE atomics
RDS: IB: Fix null pointer issue
bpf: sockmap, fix leaking maps with attached but not detached progs
xen/grant-table: Use put_page instead of free_page
xen-netfront: Fix race between device setup and open
perf evsel: Fix period/freq terms setup
MIPS: Generic: Support GIC in EIC mode
perf record: Fix period option handling
MIPS: TXx9: use IS_BUILTIN() for CONFIG_LEDS_CLASS
bpf: fix selftests/bpf test_kmod.sh failure when CONFIG_BPF_JIT_ALWAYS_ON=y
ACPI / scan: Use acpi_bus_get_status() to initialize ACPI_TYPE_DEVICE devs
ACPI / bus: Do not call _STA on battery devices with unmet dependencies
ACPI: processor_perflib: Do not send _PPC change notification if not ready
firmware: dmi_scan: Fix handling of empty DMI strings
x86/dumpstack: Avoid uninitlized variable
x86/power: Fix swsusp_arch_resume prototype
netfilter: ipv6: nf_defrag: Kill frag queue on RFC2460 failure
s390/eadm: fix CONFIG_BLOCK include dependency
drm/nouveau/pmu/fuc: don't use movw directly anymore
IB/core: Map iWarp AH type to undefined in rdma_ah_find_type
IB/ipoib: Fix for potential no-carrier state
IB/hfi1: Fix for potential refcount leak in hfi1_open_file()
IB/hfi1: Re-order IRQ cleanup to address driver cleanup race
blk-mq: fix discard merge with scheduler attached
openvswitch: Remove padding from packet before L3+ conntrack processing
mm/fadvise: discard partial page if endbyte is also EOF
mm: pin address_space before dereferencing it while isolating an LRU page
mm: thp: use down_read_trylock() in khugepaged to avoid long block
sparc64: update pmdp_invalidate() to return old pmd value
asm-generic: provide generic_pmdp_establish()
mm/mempolicy: add nodes_empty check in SYSC_migrate_pages
mm/mempolicy: fix the check of nodemask from user
ocfs2: return error when we attempt to access a dirty bh in jbd2
ocfs2/acl: use 'ip_xattr_sem' to protect getting extended attribute
ocfs2: return -EROFS to mount.ocfs2 if inode block is invalid
fs/dax.c: release PMD lock even when there is no PMD support in DAX
x86/kvm/vmx: do not use vm-exit instruction length for fast MMIO when running nested
kvm: Map PFN-type memory regions as writable (if possible)
tcp_nv: fix potential integer overflow in tcpnv_acked
netfilter: x_tables: fix pointer leaks to userspace
x86/hyperv: Check for required priviliges in hyperv_init()
gianfar: prevent integer wrapping in the rx handler
ntb_transport: Fix bug with max_mw_size parameter
RDMA/mlx5: Avoid memory leak in case of XRCD dealloc failure
powerpc/numa: Ensure nodes initialized for hotplug
powerpc/numa: Use ibm,max-associativity-domains to discover possible nodes
samples/bpf: Partially fixes the bpf.o build
i40e: fix reported mask for ntuple filters
i40e: program fragmented IPv4 filter input set
ixgbe: don't set RXDCTL.RLPML for 82599
jffs2: Fix use-after-free bug in jffs2_iget()'s error handling path
RDMA/uverbs: Use an unambiguous errno for method not supported
crypto: artpec6 - remove select on non-existing CRYPTO_SHA384
device property: Define type of PROPERTY_ENRTY_*() macros
tty: serial: exar: Relocate sleep wake-up handling
x86/hyperv: Stop suppressing X86_FEATURE_PCID
fm10k: fix "failed to kill vid" message for VF
igb: Clear TXSTMP when ptp_tx_work() is timeout
igb: Allow to remove administratively set MAC on VFs
ASoC: rockchip: Use dummy_dai for rt5514 dsp dailink
blk-mq-debugfs: don't allow write on attributes with seq_operations set
KVM: s390: vsie: use READ_ONCE to access some SCB fields
platform/x86: thinkpad_acpi: suppress warning about palm detection
i40evf: ignore link up if not running
i40evf: Don't schedule reset_task when device is being removed
bpf: test_maps: cleanup sockmaps when test ends
block: Set BIO_TRACE_COMPLETION on new bio during split
nfp: fix error return code in nfp_pci_probe()
HID: roccat: prevent an out of bounds read in kovaplus_profile_activated()
Input: stmfts - set IRQ_NOAUTOEN to the irq flag
scsi: fas216: fix sense buffer initialization
scsi: devinfo: fix format of the device list
f2fs: avoid hungtask when GC encrypted block if io_bits is set
RDMA/cma: Check existence of netdevice during port validation
Btrfs: raid56: fix race between merge_bio and rbio_orig_end_io
Btrfs: fix unexpected EEXIST from btrfs_get_extent
btrfs: fail mount when sb flag is not in BTRFS_SUPER_FLAG_SUPP
Btrfs: fix scrub to repair raid6 corruption
btrfs: Fix out of bounds access in btrfs_search_slot
Btrfs: set plug for fsync
ipmi/powernv: Fix error return code in ipmi_powernv_probe()
mac80211_hwsim: fix possible memory leak in hwsim_new_radio_nl()
kconfig: Fix expr_free() E_NOT leak
kconfig: Fix automatic menu creation mem leak
kconfig: Don't leak main menus during parsing
watchdog: sp5100_tco: Fix watchdog disable bit
PCI: Add dummy pci_irqd_intx_xlate() for CONFIG_PCI=n build
MIPS: Fix clean of vmlinuz.{32,ecoff,bin,srec}
nfs: Do not convert nfs_idmap_cache_timeout to jiffies
IB/cq: Don't force IB_POLL_DIRECT poll context for ib_process_cq_direct
spi: a3700: Clear DATA_OUT when performing a read
net: stmmac: dwmac-meson8b: propagate rate changes to the parent clock
net: stmmac: dwmac-meson8b: fix setting the RGMII TX clock on Meson8b
ubifs: Fix uninitialized variable in search_dh_cookie()
blk-mq: turn WARN_ON in __blk_mq_run_hw_queue into printk
dm mpath: return DM_MAPIO_REQUEUE on blk-mq rq allocation failure
dm thin: fix documentation relative to low water mark threshold
iommu/vt-d: Use domain instead of cache fetching
powerpc: System reset avoid interleaving oops using die synchronisation
iommu/exynos: Don't unconditionally steal bus ops
perf record: Fix failed memory allocation for get_cpuid_str
tools lib traceevent: Fix get_field_str() for dynamic strings
perf callchain: Fix attr.sample_max_stack setting
tools lib traceevent: Simplify pointer print logic and fix %pF
perf unwind: Do not look just at the global callchain_param.record_mode
scsi: qla2xxx: Fix warning in qla2x00_async_iocb_timeout()
i40iw: Zero-out consumer key on allocate stag for FMR
i40iw: Free IEQ resources
Input: synaptics - reset the ABS_X/Y fuzz after initializing MT axes
libbpf: Makefile set specified permission mode
Input: psmouse - fix Synaptics detection when protocol is disabled
PCI: Add function 1 DMA alias quirk for Marvell 9128
selftest: ftrace: Fix to pick text symbols for kprobes
xprtrdma: Fix backchannel allocation of extra rpcrdma_reps
platform/x86: dell-laptop: Filter out spurious keyboard backlight change events
KVM: s390: use created_vcpus in more places
tracing/hrtimer: Fix tracing bugs by taking all clock bases and modes into account
netfilter: ipv6: nf_defrag: Pass on packets to stack per RFC2460
KVM: PPC: Book3S HV: Enable migration of decrementer register
RDMA/core: Clarify rdma_ah_find_type
kvm: x86: fix KVM_XEN_HVM_CONFIG ioctl
ASoC: au1x: Fix timeout tests in au1xac97c_ac97_read()
ALSA: hda - Use IS_REACHABLE() for dependency on input
ACPI / LPSS: Do not instiate platform_dev for devs without MMIO resources
NFSv4: always set NFS_LOCK_LOST when a lock is lost.
x86/tsc: Allow TSC calibration without PIT
firewire-ohci: work around oversized DMA reads on JMicron controllers
usb: musb: Fix external abort in musb_remove on omap2430
usb: musb: call pm_runtime_{get,put}_sync before reading vbus registers
usb: musb: fix enumeration after resume
drm/i915/bxt, glk: Increase PCODE timeouts during CDCLK freq changing
drm/i915: Fix LSPCON TMDS output buffer enabling from low-power state
drm/i915: Do no use kfree() to free a kmem_cache_alloc() return value
drm/i915/audio: Fix audio detection issue on GLK
drm/i915/gvt: throw error on unhandled vfio ioctls
drm/vc4: Fix memory leak during BO teardown
x86/tsc: Prevent 32bit truncation in calc_hpet_ref()
clocksource/imx-tpm: Correct -ETIME return condition check
x86/acpi: Prevent X2APIC id 0xffffffff from being accounted
btrfs: fix unaligned access in readdir
cifs: do not allow creating sockets except with SMB1 posix exensions
UPSTREAM: module: Do not paper over type mismatches in module_param_call()
UPSTREAM: treewide: Fix function prototypes for module_param_call()
UPSTREAM: module: Prepare to convert all module_param_call() prototypes
UPSTREAM: kbuild: add clang-version.sh
UPSTREAM: console: Expand dummy functions for CFI
UPSTREAM: console: SisUSB2VGA: Drop dummy con_font_get()
ANDROID: sdcardfs: Set s_root to NULL after putting
ANDROID: sdcardfs: d_make_root calls iput
ANDROID: sdcardfs: Check for private data earlier
ANDROID: sched: Remove duplicate const specifier
Conflicts:
kernel/sched/sched.h
Change in module_param_call() definition requires alignment in:
drivers/hwtracing/coresight/coresight-event.c
drivers/power/reset/msm-poweroff.c
Change-Id: I0114d2226301af0b1775b37d79db5529653b135d
Signed-off-by: Isaac J. Manjarres <isaacm@codeaurora.org>
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Merge 4.14.37 into android-4.14
Changes in 4.14.37
cifs: do not allow creating sockets except with SMB1 posix exensions
btrfs: fix unaligned access in readdir
x86/acpi: Prevent X2APIC id 0xffffffff from being accounted
clocksource/imx-tpm: Correct -ETIME return condition check
x86/tsc: Prevent 32bit truncation in calc_hpet_ref()
drm/vc4: Fix memory leak during BO teardown
drm/i915/gvt: throw error on unhandled vfio ioctls
drm/i915/audio: Fix audio detection issue on GLK
drm/i915: Do no use kfree() to free a kmem_cache_alloc() return value
drm/i915: Fix LSPCON TMDS output buffer enabling from low-power state
drm/i915/bxt, glk: Increase PCODE timeouts during CDCLK freq changing
usb: musb: fix enumeration after resume
usb: musb: call pm_runtime_{get,put}_sync before reading vbus registers
usb: musb: Fix external abort in musb_remove on omap2430
firewire-ohci: work around oversized DMA reads on JMicron controllers
x86/tsc: Allow TSC calibration without PIT
NFSv4: always set NFS_LOCK_LOST when a lock is lost.
ACPI / LPSS: Do not instiate platform_dev for devs without MMIO resources
ALSA: hda - Use IS_REACHABLE() for dependency on input
ASoC: au1x: Fix timeout tests in au1xac97c_ac97_read()
kvm: x86: fix KVM_XEN_HVM_CONFIG ioctl
RDMA/core: Clarify rdma_ah_find_type
KVM: PPC: Book3S HV: Enable migration of decrementer register
netfilter: ipv6: nf_defrag: Pass on packets to stack per RFC2460
tracing/hrtimer: Fix tracing bugs by taking all clock bases and modes into account
KVM: s390: use created_vcpus in more places
platform/x86: dell-laptop: Filter out spurious keyboard backlight change events
xprtrdma: Fix backchannel allocation of extra rpcrdma_reps
selftest: ftrace: Fix to pick text symbols for kprobes
PCI: Add function 1 DMA alias quirk for Marvell 9128
Input: psmouse - fix Synaptics detection when protocol is disabled
libbpf: Makefile set specified permission mode
Input: synaptics - reset the ABS_X/Y fuzz after initializing MT axes
i40iw: Free IEQ resources
i40iw: Zero-out consumer key on allocate stag for FMR
scsi: qla2xxx: Fix warning in qla2x00_async_iocb_timeout()
perf unwind: Do not look just at the global callchain_param.record_mode
tools lib traceevent: Simplify pointer print logic and fix %pF
perf callchain: Fix attr.sample_max_stack setting
tools lib traceevent: Fix get_field_str() for dynamic strings
perf record: Fix failed memory allocation for get_cpuid_str
iommu/exynos: Don't unconditionally steal bus ops
powerpc: System reset avoid interleaving oops using die synchronisation
iommu/vt-d: Use domain instead of cache fetching
dm thin: fix documentation relative to low water mark threshold
dm mpath: return DM_MAPIO_REQUEUE on blk-mq rq allocation failure
blk-mq: turn WARN_ON in __blk_mq_run_hw_queue into printk
ubifs: Fix uninitialized variable in search_dh_cookie()
net: stmmac: dwmac-meson8b: fix setting the RGMII TX clock on Meson8b
net: stmmac: dwmac-meson8b: propagate rate changes to the parent clock
spi: a3700: Clear DATA_OUT when performing a read
IB/cq: Don't force IB_POLL_DIRECT poll context for ib_process_cq_direct
nfs: Do not convert nfs_idmap_cache_timeout to jiffies
MIPS: Fix clean of vmlinuz.{32,ecoff,bin,srec}
PCI: Add dummy pci_irqd_intx_xlate() for CONFIG_PCI=n build
watchdog: sp5100_tco: Fix watchdog disable bit
kconfig: Don't leak main menus during parsing
kconfig: Fix automatic menu creation mem leak
kconfig: Fix expr_free() E_NOT leak
mac80211_hwsim: fix possible memory leak in hwsim_new_radio_nl()
ipmi/powernv: Fix error return code in ipmi_powernv_probe()
Btrfs: set plug for fsync
btrfs: Fix out of bounds access in btrfs_search_slot
Btrfs: fix scrub to repair raid6 corruption
btrfs: fail mount when sb flag is not in BTRFS_SUPER_FLAG_SUPP
Btrfs: fix unexpected EEXIST from btrfs_get_extent
Btrfs: raid56: fix race between merge_bio and rbio_orig_end_io
RDMA/cma: Check existence of netdevice during port validation
f2fs: avoid hungtask when GC encrypted block if io_bits is set
scsi: devinfo: fix format of the device list
scsi: fas216: fix sense buffer initialization
Input: stmfts - set IRQ_NOAUTOEN to the irq flag
HID: roccat: prevent an out of bounds read in kovaplus_profile_activated()
nfp: fix error return code in nfp_pci_probe()
block: Set BIO_TRACE_COMPLETION on new bio during split
bpf: test_maps: cleanup sockmaps when test ends
i40evf: Don't schedule reset_task when device is being removed
i40evf: ignore link up if not running
platform/x86: thinkpad_acpi: suppress warning about palm detection
KVM: s390: vsie: use READ_ONCE to access some SCB fields
blk-mq-debugfs: don't allow write on attributes with seq_operations set
ASoC: rockchip: Use dummy_dai for rt5514 dsp dailink
igb: Allow to remove administratively set MAC on VFs
igb: Clear TXSTMP when ptp_tx_work() is timeout
fm10k: fix "failed to kill vid" message for VF
x86/hyperv: Stop suppressing X86_FEATURE_PCID
tty: serial: exar: Relocate sleep wake-up handling
device property: Define type of PROPERTY_ENRTY_*() macros
crypto: artpec6 - remove select on non-existing CRYPTO_SHA384
RDMA/uverbs: Use an unambiguous errno for method not supported
jffs2: Fix use-after-free bug in jffs2_iget()'s error handling path
ixgbe: don't set RXDCTL.RLPML for 82599
i40e: program fragmented IPv4 filter input set
i40e: fix reported mask for ntuple filters
samples/bpf: Partially fixes the bpf.o build
powerpc/numa: Use ibm,max-associativity-domains to discover possible nodes
powerpc/numa: Ensure nodes initialized for hotplug
RDMA/mlx5: Avoid memory leak in case of XRCD dealloc failure
ntb_transport: Fix bug with max_mw_size parameter
gianfar: prevent integer wrapping in the rx handler
x86/hyperv: Check for required priviliges in hyperv_init()
netfilter: x_tables: fix pointer leaks to userspace
tcp_nv: fix potential integer overflow in tcpnv_acked
kvm: Map PFN-type memory regions as writable (if possible)
x86/kvm/vmx: do not use vm-exit instruction length for fast MMIO when running nested
fs/dax.c: release PMD lock even when there is no PMD support in DAX
ocfs2: return -EROFS to mount.ocfs2 if inode block is invalid
ocfs2/acl: use 'ip_xattr_sem' to protect getting extended attribute
ocfs2: return error when we attempt to access a dirty bh in jbd2
mm/mempolicy: fix the check of nodemask from user
mm/mempolicy: add nodes_empty check in SYSC_migrate_pages
asm-generic: provide generic_pmdp_establish()
sparc64: update pmdp_invalidate() to return old pmd value
mm: thp: use down_read_trylock() in khugepaged to avoid long block
mm: pin address_space before dereferencing it while isolating an LRU page
mm/fadvise: discard partial page if endbyte is also EOF
openvswitch: Remove padding from packet before L3+ conntrack processing
blk-mq: fix discard merge with scheduler attached
IB/hfi1: Re-order IRQ cleanup to address driver cleanup race
IB/hfi1: Fix for potential refcount leak in hfi1_open_file()
IB/ipoib: Fix for potential no-carrier state
IB/core: Map iWarp AH type to undefined in rdma_ah_find_type
drm/nouveau/pmu/fuc: don't use movw directly anymore
s390/eadm: fix CONFIG_BLOCK include dependency
netfilter: ipv6: nf_defrag: Kill frag queue on RFC2460 failure
x86/power: Fix swsusp_arch_resume prototype
x86/dumpstack: Avoid uninitlized variable
firmware: dmi_scan: Fix handling of empty DMI strings
ACPI: processor_perflib: Do not send _PPC change notification if not ready
ACPI / bus: Do not call _STA on battery devices with unmet dependencies
ACPI / scan: Use acpi_bus_get_status() to initialize ACPI_TYPE_DEVICE devs
bpf: fix selftests/bpf test_kmod.sh failure when CONFIG_BPF_JIT_ALWAYS_ON=y
MIPS: TXx9: use IS_BUILTIN() for CONFIG_LEDS_CLASS
perf record: Fix period option handling
MIPS: Generic: Support GIC in EIC mode
perf evsel: Fix period/freq terms setup
xen-netfront: Fix race between device setup and open
xen/grant-table: Use put_page instead of free_page
bpf: sockmap, fix leaking maps with attached but not detached progs
RDS: IB: Fix null pointer issue
arm64: spinlock: Fix theoretical trylock() A-B-A with LSE atomics
proc: fix /proc/*/map_files lookup
PM / domains: Fix up domain-idle-states OF parsing
cifs: silence compiler warnings showing up with gcc-8.0.0
bcache: properly set task state in bch_writeback_thread()
bcache: fix for allocator and register thread race
bcache: fix for data collapse after re-attaching an attached device
bcache: return attach error when no cache set exist
cpufreq: intel_pstate: Enable HWP during system resume on CPU0
selftests/ftrace: Add some missing glob checks
rxrpc: Don't put crypto buffers on the stack
svcrdma: Fix Read chunk round-up
net: Extra '_get' in declaration of arch_get_platform_mac_address
tools/libbpf: handle issues with bpf ELF objects containing .eh_frames
KVM: PPC: Book3S HV: Fix handling of secondary HPTEG in HPT resizing code
SUNRPC: Don't call __UDPX_INC_STATS() from a preemptible context
net: stmmac: discard disabled flags in interrupt status register
bpf: fix rlimit in reuseport net selftest
ACPI / EC: Restore polling during noirq suspend/resume phases
PM / wakeirq: Fix unbalanced IRQ enable for wakeirq
vfs/proc/kcore, x86/mm/kcore: Fix SMAP fault when dumping vsyscall user page
powerpc/mm/hash64: Zero PGD pages on allocation
x86/platform/UV: Fix GAM Range Table entries less than 1GB
locking/qspinlock: Ensure node->count is updated before initialising node
powerpc/powernv: IMC fix out of bounds memory access at shutdown
perf test: Fix test trace+probe_libc_inet_pton.sh for s390x
irqchip/gic-v3: Ignore disabled ITS nodes
cpumask: Make for_each_cpu_wrap() available on UP as well
irqchip/gic-v3: Change pr_debug message to pr_devel
RDMA/core: Reduce poll batch for direct cq polling
alarmtimer: Init nanosleep alarm timer on stack
netfilter: x_tables: cap allocations at 512 mbyte
netfilter: x_tables: add counters allocation wrapper
netfilter: compat: prepare xt_compat_init_offsets to return errors
netfilter: compat: reject huge allocation requests
netfilter: x_tables: limit allocation requests for blob rule heads
perf: Fix sample_max_stack maximum check
perf: Return proper values for user stack errors
RDMA/mlx5: Fix NULL dereference while accessing XRC_TGT QPs
Revert "KVM: X86: Fix SMRAM accessing even if VM is shutdown"
mac80211_hwsim: fix use-after-free bug in hwsim_exit_net
Linux 4.14.37
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
commit 78b562fbfa2cf0a9fcb23c3154756b690f4905c1 upstream.
Return immediately when we find issue in the user stack checks. The
error value could get overwritten by following check for
PERF_SAMPLE_REGS_INTR.
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Andi Kleen <andi@firstfloor.org>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: syzkaller-bugs@googlegroups.com
Cc: x86@kernel.org
Fixes: 60e2364e60e8 ("perf: Add ability to sample machine state on interrupt")
Link: http://lkml.kernel.org/r/20180415092352.12403-1-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
commit 5af44ca53d019de47efe6dbc4003dd518e5197ed upstream.
The syzbot hit KASAN bug in perf_callchain_store having the entry stored
behind the allocated bounds [1].
We miss the sample_max_stack check for the initial event that allocates
callchain buffers. This missing check allows to create an event with
sample_max_stack value bigger than the global sysctl maximum:
# sysctl -a | grep perf_event_max_stack
kernel.perf_event_max_stack = 127
# perf record -vv -C 1 -e cycles/max-stack=256/ kill
...
perf_event_attr:
size 112
...
sample_max_stack 256
------------------------------------------------------------
sys_perf_event_open: pid -1 cpu 1 group_fd -1 flags 0x8 = 4
Note the '-C 1', which forces perf record to create just single event.
Otherwise it opens event for every cpu, then the sample_max_stack check
fails on the second event and all's fine.
The fix is to run the sample_max_stack check also for the first event
with callchains.
[1] https://marc.info/?l=linux-kernel&m=152352732920874&w=2
Reported-by: syzbot+7c449856228b63ac951e@syzkaller.appspotmail.com
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Andi Kleen <andi@firstfloor.org>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: syzkaller-bugs@googlegroups.com
Cc: x86@kernel.org
Fixes: 97c79a38cd45 ("perf core: Per event callchain limit")
Link: http://lkml.kernel.org/r/20180415092352.12403-2-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
commit bd03143007eb9b03a7f2316c677780561b68ba2a upstream.
syszbot reported the following debugobjects splat:
ODEBUG: object is on stack, but not annotated
WARNING: CPU: 0 PID: 4185 at lib/debugobjects.c:328
RIP: 0010:debug_object_is_on_stack lib/debugobjects.c:327 [inline]
debug_object_init+0x17/0x20 lib/debugobjects.c:391
debug_hrtimer_init kernel/time/hrtimer.c:410 [inline]
debug_init kernel/time/hrtimer.c:458 [inline]
hrtimer_init+0x8c/0x410 kernel/time/hrtimer.c:1259
alarm_init kernel/time/alarmtimer.c:339 [inline]
alarm_timer_nsleep+0x164/0x4d0 kernel/time/alarmtimer.c:787
SYSC_clock_nanosleep kernel/time/posix-timers.c:1226 [inline]
SyS_clock_nanosleep+0x235/0x330 kernel/time/posix-timers.c:1204
do_syscall_64+0x281/0x940 arch/x86/entry/common.c:287
entry_SYSCALL_64_after_hwframe+0x42/0xb7
This happens because the hrtimer for the alarm nanosleep is on stack, but
the code does not use the proper debug objects initialization.
Split out the code for the allocated use cases and invoke
hrtimer_init_on_stack() for the nanosleep related functions.
Reported-by: syzbot+a3e0726462b2e346a31d@syzkaller.appspotmail.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: John Stultz <john.stultz@linaro.org>
Cc: syzkaller-bugs@googlegroups.com
Link: https://lkml.kernel.org/r/alpine.DEB.2.21.1803261528270.1585@nanos.tec.linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
[ Upstream commit 11dc13224c975efcec96647a4768a6f1bb7a19a8 ]
When queuing on the qspinlock, the count field for the current CPU's head
node is incremented. This needn't be atomic because locking in e.g. IRQ
context is balanced and so an IRQ will return with node->count as it
found it.
However, the compiler could in theory reorder the initialisation of
node[idx] before the increment of the head node->count, causing an
IRQ to overwrite the initialised node and potentially corrupt the lock
state.
Avoid the potential for this harmful compiler reordering by placing a
barrier() between the increment of the head node->count and the subsequent
node initialisation.
Signed-off-by: Will Deacon <will.deacon@arm.com>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/1518528177-19169-3-git-send-email-will.deacon@arm.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
[ Upstream commit 3d9e952697de89b53227f06d4241f275eb99cfc4 ]
When a program is attached to a map we increment the program refcnt
to ensure that the program is not removed while it is potentially
being referenced from sockmap side. However, if this same program
also references the map (this is a reasonably common pattern in
my programs) then the verifier will also increment the maps refcnt
from the verifier. This is to ensure the map doesn't get garbage
collected while the program has a reference to it.
So we are left in a state where the map holds the refcnt on the
program stopping it from being removed and releasing the map refcnt.
And vice versa the program holds a refcnt on the map stopping it
from releasing the refcnt on the prog.
All this is fine as long as users detach the program while the
map fd is still around. But, if the user omits this detach command
we are left with a dangling map we can no longer release.
To resolve this when the map fd is released decrement the program
references and remove any reference from the map to the program.
This fixes the issue with possibly dangling map and creates a
user side API constraint. That is, the map fd must be held open
for programs to be attached to a map.
Fixes: 174a79ff9515 ("bpf: sockmap with sk redirect support")
Signed-off-by: John Fastabend <john.fastabend@gmail.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
[ Upstream commit 328008a72d38b5bde6491e463405c34a81a65d3e ]
The declaration for swsusp_arch_resume marks it as 'asmlinkage', but the
definition in x86-32 does not, and it fails to include the header with the
declaration. This leads to a warning when building with
link-time-optimizations:
kernel/power/power.h:108:23: error: type of 'swsusp_arch_resume' does not match original declaration [-Werror=lto-type-mismatch]
extern asmlinkage int swsusp_arch_resume(void);
^
arch/x86/power/hibernate_32.c:148:0: note: 'swsusp_arch_resume' was previously declared here
int swsusp_arch_resume(void)
This moves the declaration into a globally visible header file and fixes up
both x86 definitions to match it.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Len Brown <len.brown@intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Nicolas Pitre <nico@linaro.org>
Cc: linux-pm@vger.kernel.org
Cc: "Rafael J. Wysocki" <rjw@rjwysocki.net>
Cc: Pavel Machek <pavel@ucw.cz>
Cc: Bart Van Assche <bart.vanassche@wdc.com>
Link: https://lkml.kernel.org/r/20180202145634.200291-2-arnd@arndb.de
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Misfit task will get migrated in the tick path so there is no need
to do active pulling of the single task.
Change-Id: I372b23c038f4e34af4608859ba7a7d9ec9ca4283
Signed-off-by: Runmin Wang <runminw@codeaurora.org>
Doing more aggressive balance if a sched_group is overloaded.
Change-Id: I00950c23c67a40b3431b68ac7ce2a1e470e563ed
Signed-off-by: Runmin Wang <runminw@codeaurora.org>
While computing cpu utilization for the waking task,
subtracting task utilization isn't needed. Just return
cpu_util. Also, use cpu_util for calculating utilization.
Change-Id: I214a39dbeff209125727360bb15fffcaf10bb9ac
Signed-off-by: Satya Durga Srinivasu Prabhala <satyap@codeaurora.org>
irq_migrate_all_off_this_cpu is not disabling the irq
when when irqs are migrated.
commit 0dd945ff4647 ("genirq/cpuhotplug: Remove irq disabling logic")
removed the irq disable, thinking that every caller of
irq_migrate_all_off_this_cpu would disable irqs. So disable irqs
during the core isolation before calling irq_migrate_all_off_this_cpu.
Change-Id: I07b42e4ab6ce488e41f181ecf3033de20da8f831
Signed-off-by: Prasad Sodagudi <psodagud@codeaurora.org>
Skip the CPU selection algorithm for high wakeup rate tasks and select
the previous CPU if it is idle.
Change-Id: I99493c8c37e091c79723ee22a5230fbb6f4e33b9
Signed-off-by: Pavankumar Kondeti <pkondeti@codeaurora.org>
Signed-off-by: Satya Durga Srinivasu Prabhala <satyap@codeaurora.org>
The cycle counter read is a bit of an expensive operation and requires
locking across all CPUs in a frequency domain. Optimize this by
returning the same value if the delta between two reads is zero i.e
two reads are done in the same sched context for the same CPU.
Change-Id: I99da5a704d3652f53c8564ba7532783d3288f227
Signed-off-by: Vikram Mulukutla <markivx@codeaurora.org>
[pkondeti@codeaurora.org: limit the optimization to the
same CPU for the sched context]
Signed-off-by: Pavankumar Kondeti <pkondeti@codeaurora.org>
Signed-off-by: Satya Durga Srinivasu Prabhala <satyap@codeaurora.org>
The find_best_target() selects an active CPU and an idle CPU as
two candidate CPUs. Whichever CPUs saves the most energy compared
to the previous CPU is selected finally. An idle CPU i.e no runnable
tasks but also outside c-state is a good candidate to run the
waking task since the task can run immediately and there is no
idle exit latency. Hence consider such CPU as an active CPU which
helps both power and performance.
Change-Id: I34f40c2dbca70995a8e6b4a8d5876f802bc000bc
Signed-off-by: Pavankumar Kondeti <pkondeti@codeaurora.org>
[satyap@codeaurora.org: Bring in is_packing_eligible functionality
from msm-4.9 to check whether packing can be done or not as part of
dependency]
Signed-off-by: Satya Durga Srinivasu Prabhala <satyap@codeaurora.org>
* remotes/origin/tmp-e9a2c5d:
Linux 4.14.36
writeback: safer lock nesting
media: staging: lirc_zilog: incorrect reference counting
Revert "media: lirc_zilog: driver only sends LIRCCODE"
iwlwifi: add a bunch of new 9000 PCI IDs
iwlwifi: add shared clock PHY config flag for some devices
net: dsa: Discard frames from unused ports
mm/filemap.c: fix NULL pointer in page_cache_tree_insert()
autofs: mount point create should honour passed in mode
Don't leak MNT_INTERNAL away from internal mounts
rpc_pipefs: fix double-dput()
orangefs_kill_sb(): deal with allocation failures
hypfs_kill_super(): deal with failed allocations
jffs2_kill_sb(): deal with failed allocations
drm/i915: Correctly handle limited range YCbCr data on VLV/CHV
mmc: sdhci-pci: Only do AMD tuning for HS200
fanotify: fix logic of events on child
udf: Fix leak of UTF-16 surrogates into encoded strings
powerpc/lib: Fix off-by-one in alternate feature patching
powerpc/xive: Fix trying to "push" an already active pool VP
powerpc/eeh: Fix enabling bridge MMIO windows
MIPS: memset.S: Fix clobber of v1 in last_fixup
MIPS: memset.S: Fix return of __clear_user from Lpartial_fixup
MIPS: memset.S: EVA & fault support for small_memset
MIPS: uaccess: Add micromips clobbers to bzero invocation
HID: wacom: bluetooth: send exit report for recent Bluetooth devices
HID: hidraw: Fix crash on HIDIOCGFEATURE with a destroyed device
HID: input: fix battery level reporting on BT mice
random: add new ioctl RNDRESEEDCRNG
random: crng_reseed() should lock the crng instance that it is modifying
random: use a different mixing algorithm for add_device_randomness()
random: fix crng_ready() test
ALSA: hda/realtek - adjust the location of one mic
ALSA: hda/realtek - set PINCFG_HEADSET_MIC to parse_flags
ALSA: hda - New VIA controller suppor no-snoop path
ALSA: rawmidi: Fix missing input substream checks in compat ioctls
ALSA: line6: Use correct endpoint type for midi output
drm/radeon: Fix PCIe lane width calculation
drm/radeon: add PX quirk for Asus K73TK
drm/rockchip: Clear all interrupts before requesting the IRQ
drm/amdgpu/si: implement get/set pcie_lanes asic callback
drm/amdgpu: Fix PCIe lane width calculation
drm/amdgpu/sdma: fix mask in emit_pipeline_sync
drm/amdgpu: Fix always_valid bos multiple LRU insertions.
drm/amdgpu: Add an ATPX quirk for hybrid laptop
ALSA: pcm: Fix endless loop for XRUN recovery in OSS emulation
ALSA: pcm: Fix mutex unbalance in OSS emulation ioctls
ALSA: pcm: Return -EBUSY for OSS ioctls changing busy streams
ALSA: pcm: Avoid potential races between OSS ioctls and read/write
ALSA: pcm: Use ERESTARTSYS instead of EINTR in OSS emulation
vfio/pci: Virtualize Maximum Read Request Size
watchdog: f71808e_wdt: Fix WD_EN register read
dt-bindings: clock: mediatek: add binding for fixed-factor clock axisel_d4
thermal: imx: Fix race condition in imx_thermal_probe()
pwm: rcar: Fix a condition to prevent mismatch value setting to duty
clk: bcm2835: De-assert/assert PLL reset signal when appropriate
clk: mediatek: fix PWM clock source by adding a fixed-factor clock
clk: fix false-positive Wmaybe-uninitialized warning
clk: mvebu: armada-38x: add support for missing clocks
PCI: Mark Broadcom HT1100 and HT2000 Root Port Extended Tags as broken
mmc: tmio: Fix error handling when issuing CMD23
mmc: jz4740: Fix race condition in IRQ mask update
iommu/vt-d: Fix a potential memory leak
um: Use POSIX ucontext_t instead of struct ucontext
um: Compile with modern headers
ring-buffer: Check if memory is available before allocation
nfit: skip region registration for incomplete control regions
nfit, address-range-scrub: fix scrub in-progress reporting
libnvdimm, namespace: use a safe lookup for dimm device name
libnvdimm, dimm: fix dpa reservation vs uninitialized label area
tpm: self test failure should not cause suspend to fail
cxl: Fix possible deadlock when processing page faults from cxllib
dmaengine: at_xdmac: fix rare residue corruption
IB/srp: Fix completion vector assignment algorithm
IB/srp: Fix srp_abort()
ALSA: pcm: Fix UAF at PCM release via PCM timer access
RDMA/rxe: Fix an out-of-bounds read
RDMA/mlx5: Protect from NULL pointer derefence
RDMA/ucma: Don't allow setting RDMA_OPTION_IB_PATH without an RDMA device
dm crypt: limit the number of allocated pages
ext4: add extra checks to ext4_xattr_block_get()
ext4: add bounds checking to ext4_xattr_find_entry()
ext4: move call to ext4_error() into ext4_xattr_check_block()
ext4: don't allow r/w mounts if metadata blocks overlap the superblock
ext4: always initialize the crc32c checksum driver
ext4: fail ext4_iget for root directory if unallocated
ext4: limit xattr size to INT_MAX
ext4: protect i_disksize update by i_data_sem in direct write path
ext4: don't update checksum of new initialized bitmaps
ext4: pass -ESHUTDOWN code to jbd2 layer
ext4: eliminate sleep from shutdown ioctl
ext4: shutdown should not prevent get_write_access
jbd2: if the journal is aborted then don't allow update of the log tail
block: use 32-bit blk_status_t on Alpha
extcon: intel-cht-wc: Set direction and drv flags for V5 boost GPIO
random: use a tighter cap in credit_entropy_bits_safe()
irqchip/gic: Take lock when updating irq type
thunderbolt: Prevent crash when ICM firmware is not running
thunderbolt: Resume control channel after hibernation image is created
thunderbolt: Serialize PCIe tunnel creation with PCI rescan
thunderbolt: Wait a bit longer for ICM to authenticate the active NVM
ASoC: topology: Fix kcontrol name string handling
ASoC: ssm2602: Replace reg_default_raw with reg_default
soc: mediatek: fix the mistaken pointer accessed when subdomains are added
HID: core: Fix size as type u32
HID: Fix hid_report_len usage
powerpc/powernv: Fix OPAL NVRAM driver OPAL_BUSY loops
powerpc/powernv: define a standard delay for OPAL_BUSY type retry loops
powerpc/kexec_file: Fix error code when trying to load kdump kernel
powerpc/kprobes: Fix call trace due to incorrect preempt count
powerpc/64: Fix smp_wmb barrier definition use use lwsync consistently
powerpc/64: Call H_REGISTER_PROC_TBL when running as a HPT guest on POWER9
powerpc/64s: Fix dt_cpu_ftrs to have restore_cpu clear unwanted LPCR bits
powerpc/powernv: Handle unknown OPAL errors in opal_nvram_write()
CIFS: fix sha512 check in cifs_crypto_secmech_release
CIFS: add sha512 secmech
CIFS: refactor crypto shash/sdesc allocation&free
i2c: i801: Restore configuration at shutdown
i2c: i801: Save register SMBSLVCMD value only once
HID: i2c-hid: fix size check and type usage
smb3: Fix root directory when server returns inode number of zero
fix smb3-encryption breakage when CONFIG_DEBUG_SG=y
cifs: fix memory leak in SMB2_open()
usb: dwc3: gadget: never call ->complete() from ->ep_queue()
usb: dwc3: pci: Properly cleanup resource
usb: dwc3: prevent setting PRTCAP to OTG from debugfs
USB:fix USB3 devices behind USB3 hubs not resuming at hibernate thaw
USB: gadget: f_midi: fixing a possible double-free in f_midi
ACPI / hotplug / PCI: Check presence of slot itself in get_slot_status()
ACPI / video: Add quirk to force acpi-video backlight on Samsung 670Z5E
regmap: Fix reversed bounds check in regmap_raw_write()
xen-netfront: Fix hang on device removal
x86/xen: Delay get_cpu_cap until stack canary is established
media: vsp1: Fix BRx conditional path in WPF
media: vivid: check if the cec_adapter is valid
media: atomisp_fops.c: disable atomisp_compat_ioctl32
spi: Fix unregistration of controller with fixed SPI bus number
spi: Fix scatterlist elements size in spi_map_buf
spi: atmel: init FIFOs before spi enable
ARM: dts: at91: sama5d4: fix pinctrl compatible string
ARM: dts: exynos: Fix IOMMU support for GScaler devices on Exynos5250
ARM: dts: at91: at91sam9g25: fix mux-mask pinctrl property
arm: dts: mt7623: fix USB initialization fails on bananapi-r2
ARM: EXYNOS: Fix coupled CPU idle freeze on Exynos4210
ARM: dts: da850-lego-ev3: Fix battery voltage gpio
KVM: arm/arm64: vgic-its: Fix potential overrun in vgic_copy_lpi_list
ARM64: dts: meson: reduce odroid-c2 eMMC maximum rate
usb: gadget: udc: core: update usb_ep_queue() documentation
phy: allwinner: sun4i-usb: poll vbus changes on A23/A33 when driving VBUS
usb: musb: gadget: misplaced out of bounds check
mm, slab: reschedule cache_reap() on the same CPU
ipc/shm: fix use-after-free of shm file via remap_file_pages()
resource: fix integer overflow at reallocation
fs/reiserfs/journal.c: add missing resierfs_warning() arg
task_struct: only use anon struct under randstruct plugin
mm/hmm: hmm_pfns_bad() was accessing wrong struct
mm/hmm: fix header file if/else/endif maze
mm/ksm.c: fix inconsistent accounting of zero pages
ubi: Reject MLC NAND
ubi: Fix error for write access
ubi: fastmap: Don't flush fastmap work on detach
ubifs: Check ubifs_wbuf_sync() return code
cpufreq: CPPC: Use transition_delay_us depending transition_latency
tty: make n_tty_read() always abort if hangup is in progress
f2fs: check cap_resource only for data blocks
Revert "f2fs: introduce f2fs_set_page_dirty_nobuffer"
f2fs: clear PageError on writepage
BACKPORT: dm verity: add 'check_at_most_once' option to only validate hashes once
f2fs: call unlock_new_inode() before d_instantiate()
f2fs: refactor read path to allow multiple postprocessing steps
fscrypt: allow synchronous bio decryption
FROMLIST: arm64: kvm: use -fno-jump-tables with clang
Conflicts:
drivers/usb/dwc3/core.c
drivers/usb/dwc3/gadget.c
Change-Id: I1fa31836c6eac9b700c8c7899d741fddc26b24f8
Signed-off-by: Isaac J. Manjarres <isaacm@codeaurora.org>
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Merge 4.14.36 into android-4.14
Changes in 4.14.36
tty: make n_tty_read() always abort if hangup is in progress
cpufreq: CPPC: Use transition_delay_us depending transition_latency
ubifs: Check ubifs_wbuf_sync() return code
ubi: fastmap: Don't flush fastmap work on detach
ubi: Fix error for write access
ubi: Reject MLC NAND
mm/ksm.c: fix inconsistent accounting of zero pages
mm/hmm: fix header file if/else/endif maze
mm/hmm: hmm_pfns_bad() was accessing wrong struct
task_struct: only use anon struct under randstruct plugin
fs/reiserfs/journal.c: add missing resierfs_warning() arg
resource: fix integer overflow at reallocation
ipc/shm: fix use-after-free of shm file via remap_file_pages()
mm, slab: reschedule cache_reap() on the same CPU
usb: musb: gadget: misplaced out of bounds check
phy: allwinner: sun4i-usb: poll vbus changes on A23/A33 when driving VBUS
usb: gadget: udc: core: update usb_ep_queue() documentation
ARM64: dts: meson: reduce odroid-c2 eMMC maximum rate
KVM: arm/arm64: vgic-its: Fix potential overrun in vgic_copy_lpi_list
ARM: dts: da850-lego-ev3: Fix battery voltage gpio
ARM: EXYNOS: Fix coupled CPU idle freeze on Exynos4210
arm: dts: mt7623: fix USB initialization fails on bananapi-r2
ARM: dts: at91: at91sam9g25: fix mux-mask pinctrl property
ARM: dts: exynos: Fix IOMMU support for GScaler devices on Exynos5250
ARM: dts: at91: sama5d4: fix pinctrl compatible string
spi: atmel: init FIFOs before spi enable
spi: Fix scatterlist elements size in spi_map_buf
spi: Fix unregistration of controller with fixed SPI bus number
media: atomisp_fops.c: disable atomisp_compat_ioctl32
media: vivid: check if the cec_adapter is valid
media: vsp1: Fix BRx conditional path in WPF
x86/xen: Delay get_cpu_cap until stack canary is established
xen-netfront: Fix hang on device removal
regmap: Fix reversed bounds check in regmap_raw_write()
ACPI / video: Add quirk to force acpi-video backlight on Samsung 670Z5E
ACPI / hotplug / PCI: Check presence of slot itself in get_slot_status()
USB: gadget: f_midi: fixing a possible double-free in f_midi
USB:fix USB3 devices behind USB3 hubs not resuming at hibernate thaw
usb: dwc3: prevent setting PRTCAP to OTG from debugfs
usb: dwc3: pci: Properly cleanup resource
usb: dwc3: gadget: never call ->complete() from ->ep_queue()
cifs: fix memory leak in SMB2_open()
fix smb3-encryption breakage when CONFIG_DEBUG_SG=y
smb3: Fix root directory when server returns inode number of zero
HID: i2c-hid: fix size check and type usage
i2c: i801: Save register SMBSLVCMD value only once
i2c: i801: Restore configuration at shutdown
CIFS: refactor crypto shash/sdesc allocation&free
CIFS: add sha512 secmech
CIFS: fix sha512 check in cifs_crypto_secmech_release
powerpc/powernv: Handle unknown OPAL errors in opal_nvram_write()
powerpc/64s: Fix dt_cpu_ftrs to have restore_cpu clear unwanted LPCR bits
powerpc/64: Call H_REGISTER_PROC_TBL when running as a HPT guest on POWER9
powerpc/64: Fix smp_wmb barrier definition use use lwsync consistently
powerpc/kprobes: Fix call trace due to incorrect preempt count
powerpc/kexec_file: Fix error code when trying to load kdump kernel
powerpc/powernv: define a standard delay for OPAL_BUSY type retry loops
powerpc/powernv: Fix OPAL NVRAM driver OPAL_BUSY loops
HID: Fix hid_report_len usage
HID: core: Fix size as type u32
soc: mediatek: fix the mistaken pointer accessed when subdomains are added
ASoC: ssm2602: Replace reg_default_raw with reg_default
ASoC: topology: Fix kcontrol name string handling
thunderbolt: Wait a bit longer for ICM to authenticate the active NVM
thunderbolt: Serialize PCIe tunnel creation with PCI rescan
thunderbolt: Resume control channel after hibernation image is created
thunderbolt: Prevent crash when ICM firmware is not running
irqchip/gic: Take lock when updating irq type
random: use a tighter cap in credit_entropy_bits_safe()
extcon: intel-cht-wc: Set direction and drv flags for V5 boost GPIO
block: use 32-bit blk_status_t on Alpha
jbd2: if the journal is aborted then don't allow update of the log tail
ext4: shutdown should not prevent get_write_access
ext4: eliminate sleep from shutdown ioctl
ext4: pass -ESHUTDOWN code to jbd2 layer
ext4: don't update checksum of new initialized bitmaps
ext4: protect i_disksize update by i_data_sem in direct write path
ext4: limit xattr size to INT_MAX
ext4: fail ext4_iget for root directory if unallocated
ext4: always initialize the crc32c checksum driver
ext4: don't allow r/w mounts if metadata blocks overlap the superblock
ext4: move call to ext4_error() into ext4_xattr_check_block()
ext4: add bounds checking to ext4_xattr_find_entry()
ext4: add extra checks to ext4_xattr_block_get()
dm crypt: limit the number of allocated pages
RDMA/ucma: Don't allow setting RDMA_OPTION_IB_PATH without an RDMA device
RDMA/mlx5: Protect from NULL pointer derefence
RDMA/rxe: Fix an out-of-bounds read
ALSA: pcm: Fix UAF at PCM release via PCM timer access
IB/srp: Fix srp_abort()
IB/srp: Fix completion vector assignment algorithm
dmaengine: at_xdmac: fix rare residue corruption
cxl: Fix possible deadlock when processing page faults from cxllib
tpm: self test failure should not cause suspend to fail
libnvdimm, dimm: fix dpa reservation vs uninitialized label area
libnvdimm, namespace: use a safe lookup for dimm device name
nfit, address-range-scrub: fix scrub in-progress reporting
nfit: skip region registration for incomplete control regions
ring-buffer: Check if memory is available before allocation
um: Compile with modern headers
um: Use POSIX ucontext_t instead of struct ucontext
iommu/vt-d: Fix a potential memory leak
mmc: jz4740: Fix race condition in IRQ mask update
mmc: tmio: Fix error handling when issuing CMD23
PCI: Mark Broadcom HT1100 and HT2000 Root Port Extended Tags as broken
clk: mvebu: armada-38x: add support for missing clocks
clk: fix false-positive Wmaybe-uninitialized warning
clk: mediatek: fix PWM clock source by adding a fixed-factor clock
clk: bcm2835: De-assert/assert PLL reset signal when appropriate
pwm: rcar: Fix a condition to prevent mismatch value setting to duty
thermal: imx: Fix race condition in imx_thermal_probe()
dt-bindings: clock: mediatek: add binding for fixed-factor clock axisel_d4
watchdog: f71808e_wdt: Fix WD_EN register read
vfio/pci: Virtualize Maximum Read Request Size
ALSA: pcm: Use ERESTARTSYS instead of EINTR in OSS emulation
ALSA: pcm: Avoid potential races between OSS ioctls and read/write
ALSA: pcm: Return -EBUSY for OSS ioctls changing busy streams
ALSA: pcm: Fix mutex unbalance in OSS emulation ioctls
ALSA: pcm: Fix endless loop for XRUN recovery in OSS emulation
drm/amdgpu: Add an ATPX quirk for hybrid laptop
drm/amdgpu: Fix always_valid bos multiple LRU insertions.
drm/amdgpu/sdma: fix mask in emit_pipeline_sync
drm/amdgpu: Fix PCIe lane width calculation
drm/amdgpu/si: implement get/set pcie_lanes asic callback
drm/rockchip: Clear all interrupts before requesting the IRQ
drm/radeon: add PX quirk for Asus K73TK
drm/radeon: Fix PCIe lane width calculation
ALSA: line6: Use correct endpoint type for midi output
ALSA: rawmidi: Fix missing input substream checks in compat ioctls
ALSA: hda - New VIA controller suppor no-snoop path
ALSA: hda/realtek - set PINCFG_HEADSET_MIC to parse_flags
ALSA: hda/realtek - adjust the location of one mic
random: fix crng_ready() test
random: use a different mixing algorithm for add_device_randomness()
random: crng_reseed() should lock the crng instance that it is modifying
random: add new ioctl RNDRESEEDCRNG
HID: input: fix battery level reporting on BT mice
HID: hidraw: Fix crash on HIDIOCGFEATURE with a destroyed device
HID: wacom: bluetooth: send exit report for recent Bluetooth devices
MIPS: uaccess: Add micromips clobbers to bzero invocation
MIPS: memset.S: EVA & fault support for small_memset
MIPS: memset.S: Fix return of __clear_user from Lpartial_fixup
MIPS: memset.S: Fix clobber of v1 in last_fixup
powerpc/eeh: Fix enabling bridge MMIO windows
powerpc/xive: Fix trying to "push" an already active pool VP
powerpc/lib: Fix off-by-one in alternate feature patching
udf: Fix leak of UTF-16 surrogates into encoded strings
fanotify: fix logic of events on child
mmc: sdhci-pci: Only do AMD tuning for HS200
drm/i915: Correctly handle limited range YCbCr data on VLV/CHV
jffs2_kill_sb(): deal with failed allocations
hypfs_kill_super(): deal with failed allocations
orangefs_kill_sb(): deal with allocation failures
rpc_pipefs: fix double-dput()
Don't leak MNT_INTERNAL away from internal mounts
autofs: mount point create should honour passed in mode
mm/filemap.c: fix NULL pointer in page_cache_tree_insert()
net: dsa: Discard frames from unused ports
iwlwifi: add shared clock PHY config flag for some devices
iwlwifi: add a bunch of new 9000 PCI IDs
Revert "media: lirc_zilog: driver only sends LIRCCODE"
media: staging: lirc_zilog: incorrect reference counting
writeback: safer lock nesting
Linux 4.14.36
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
commit 2a872fa4e9c8adc79c830e4009e1cc0c013a9d8a upstream.
The ring buffer is made up of a link list of pages. When making the ring
buffer bigger, it will allocate all the pages it needs before adding to the
ring buffer, and if it fails, it frees them and returns an error. This makes
increasing the ring buffer size an all or nothing action. When this was
first created, the pages were allocated with "NORETRY". This was to not
cause any Out-Of-Memory (OOM) actions from allocating the ring buffer. But
NORETRY was too strict, as the ring buffer would fail to expand even when
there's memory available, but was taken up in the page cache.
Commit 848618857d253 ("tracing/ring_buffer: Try harder to allocate") changed
the allocating from NORETRY to RETRY_MAYFAIL. The RETRY_MAYFAIL would
allocate from the page cache, but if there was no memory available, it would
simple fail the allocation and not trigger an OOM.
This worked fine, but had one problem. As the ring buffer would allocate one
page at a time, it could take up all memory in the system before it failed
to allocate and free that memory. If the allocation is happening and the
ring buffer allocates all memory and then tries to take more than available,
its allocation will not trigger an OOM, but if there's any allocation that
happens someplace else, that could trigger an OOM, even though once the ring
buffer's allocation fails, it would free up all the previous memory it tried
to allocate, and allow other memory allocations to succeed.
Commit d02bd27bd33dd ("mm/page_alloc.c: calculate 'available' memory in a
separate function") separated out si_mem_availble() as a separate function
that could be used to see how much memory is available in the system. Using
this function to make sure that the ring buffer could be allocated before it
tries to allocate pages we can avoid allocating all memory in the system and
making it vulnerable to OOMs if other allocations are taking place.
Link: http://lkml.kernel.org/r/1522320104-6573-1-git-send-email-zhaoyang.huang@spreadtrum.com
CC: stable@vger.kernel.org
Cc: linux-mm@kvack.org
Fixes: 848618857d253 ("tracing/ring_buffer: Try harder to allocate")
Requires: d02bd27bd33dd ("mm/page_alloc.c: calculate 'available' memory in a separate function")
Reported-by: Zhaoyang Huang <huangzhaoyang@gmail.com>
Tested-by: Joel Fernandes <joelaf@google.com>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
commit 60bb83b81169820c691fbfa33a6a4aef32aa4b0b upstream.
We've got a bug report indicating a kernel panic at booting on an x86-32
system, and it turned out to be the invalid PCI resource assigned after
reallocation. __find_resource() first aligns the resource start address
and resets the end address with start+size-1 accordingly, then checks
whether it's contained. Here the end address may overflow the integer,
although resource_contains() still returns true because the function
validates only start and end address. So this ends up with returning an
invalid resource (start > end).
There was already an attempt to cover such a problem in the commit
47ea91b4052d ("Resource: fix wrong resource window calculation"), but
this case is an overseen one.
This patch adds the validity check of the newly calculated resource for
avoiding the integer overflow problem.
Bugzilla: http://bugzilla.opensuse.org/show_bug.cgi?id=1086739
Link: http://lkml.kernel.org/r/s5hpo37d5l8.wl-tiwai@suse.de
Fixes: 23c570a67448 ("resource: ability to resize an allocated resource")
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Reported-by: Michael Henders <hendersm@shaw.ca>
Tested-by: Michael Henders <hendersm@shaw.ca>
Reviewed-by: Andrew Morton <akpm@linux-foundation.org>
Cc: Ram Pai <linuxram@us.ibm.com>
Cc: Bjorn Helgaas <bhelgaas@google.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Misfit task will go through active migration path so there is no need
to check in the nohz balance case.
Change-Id: Ic05035d8c745797c4a5cbe52b7cdbd98edb352f3
Signed-off-by: Runmin Wang <runminw@codeaurora.org>
Mark the source/destination CPUs correctly for inter cluster
migration.
Change-Id: I771b9357d20cb0270465abd594fb94bb3669c936
Signed-off-by: Pavankumar Kondeti <pkondeti@codeaurora.org>
Signed-off-by: Puja Gupta <pujag@codeaurora.org>
* refs/heads/tmp-07e1389
Linux 4.14.35
nfsd: fix incorrect umasks
hugetlbfs: fix bug in pgoff overflow checking
xen: xenbus_dev_frontend: Fix XS_TRANSACTION_END handling
ovl: fix lookup with middle layer opaque dir and absolute path redirects
blk-mq: don't keep offline CPUs mapped to hctx 0
lib: fix stall in __bitmap_parselist()
f2fs: fix heap mode to reset it back
sunrpc: remove incorrect HMAC request initialization
ath9k: Protect queue draining by rcu_read_lock()
hwmon: (ina2xx) Fix access to uninitialized mutex
x86/mce/AMD: Get address from already initialized block
x86/mce/AMD, EDAC/mce_amd: Enumerate Reserved SMCA bank type
x86/mce/AMD: Pass the bank number to smca_get_bank_type()
x86/MCE: Report only DRAM ECC as memory errors on AMD systems
rtl8187: Fix NULL pointer dereference in priv->conf_mutex
Bluetooth: hci_bcm: Treat Interrupt ACPI resources as always being active-low
Bluetooth: Fix connection if directed advertising and privacy is used
getname_kernel() needs to make sure that ->name != ->iname in long case
get_user_pages_fast(): return -EFAULT on access_ok failure
s390/ipl: ensure loadparm valid flag is set
s390/qdio: don't merge ERROR output buffers
s390/qdio: don't retry EQBS after CCQ 96
nfit: fix region registration vs block-data-window ranges
block/loop: fix deadlock after loop_set_status
apparmor: fix resource audit messages when auditing peer
apparmor: fix display of .ns_name for containers
apparmor: fix logging of the existence test for signals
scsi: qla2xxx: Fix small memory leak in qla2x00_probe_one on probe failure
x86/MCE/AMD: Define a function to get SMCA bank type
radeon: hide pointless #warning when compile testing
perf/core: Fix use-after-free in uprobe_perf_close()
perf intel-pt: Fix timestamp following overflow
perf intel-pt: Fix error recovery from missing TIP packet
perf intel-pt: Fix sync_switch
perf intel-pt: Fix overlap detection to identify consecutive buffers correctly
KVM: PPC: Book3S HV: trace_tlbie must not be called in realmode
PCI: hv: Serialize the present and eject work items
Drivers: hv: vmbus: do not mark HV_PCIE as perf_device
parisc: Fix HPMC handler by increasing size to multiple of 16 bytes
parisc: Fix out of array access in match_pci_device()
media: v4l: vsp1: Fix header display list status check in continuous mode
media: v4l2-compat-ioctl32: don't oops on overlay
lan78xx: Correctly indicate invalid OTP
vhost: Fix vhost_copy_to_user()
vhost: fix vhost_vq_access_ok() log check
slip: Check if rstate is initialized before uncompressing
rds: MP-RDS may use an invalid c_path
cdc_ether: flag the Cinterion AHS8 modem by gemalto as WWAN
netfilter: ipset: Missing nfnl_lock()/nfnl_unlock() is added to ip_set_net_exit()
ANDROID: Add build server config for cuttlefish.
ANDROID: Add defconfig for cuttlefish.
FROMLIST: staging: Android: Add 'vsoc' driver for cuttlefish.
ANDROID: cpufreq: Add time_in_state to /proc/uid directories
ANDROID: proc: Add /proc/uid directory
ANDROID: cpufreq: times: track per-uid time in state
ANDROID: cpufreq: track per-task time in state
f2fs/fscrypt: updates to v4.17-rc1
Change-Id: I0fdc9762e63ff9a9abb25e6adea0c723e517a2a6
Signed-off-by: Blagovest Kolenichev <bkolenichev@codeaurora.org>
Signed-off-by: Isaac J. Manjarres <isaacm@codeaurora.org>
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Merge 4.14.35 into android-4.14
Changes in 4.14.35
netfilter: ipset: Missing nfnl_lock()/nfnl_unlock() is added to ip_set_net_exit()
cdc_ether: flag the Cinterion AHS8 modem by gemalto as WWAN
rds: MP-RDS may use an invalid c_path
slip: Check if rstate is initialized before uncompressing
vhost: fix vhost_vq_access_ok() log check
vhost: Fix vhost_copy_to_user()
lan78xx: Correctly indicate invalid OTP
media: v4l2-compat-ioctl32: don't oops on overlay
media: v4l: vsp1: Fix header display list status check in continuous mode
parisc: Fix out of array access in match_pci_device()
parisc: Fix HPMC handler by increasing size to multiple of 16 bytes
Drivers: hv: vmbus: do not mark HV_PCIE as perf_device
PCI: hv: Serialize the present and eject work items
KVM: PPC: Book3S HV: trace_tlbie must not be called in realmode
perf intel-pt: Fix overlap detection to identify consecutive buffers correctly
perf intel-pt: Fix sync_switch
perf intel-pt: Fix error recovery from missing TIP packet
perf intel-pt: Fix timestamp following overflow
perf/core: Fix use-after-free in uprobe_perf_close()
radeon: hide pointless #warning when compile testing
x86/MCE/AMD: Define a function to get SMCA bank type
scsi: qla2xxx: Fix small memory leak in qla2x00_probe_one on probe failure
apparmor: fix logging of the existence test for signals
apparmor: fix display of .ns_name for containers
apparmor: fix resource audit messages when auditing peer
block/loop: fix deadlock after loop_set_status
nfit: fix region registration vs block-data-window ranges
s390/qdio: don't retry EQBS after CCQ 96
s390/qdio: don't merge ERROR output buffers
s390/ipl: ensure loadparm valid flag is set
get_user_pages_fast(): return -EFAULT on access_ok failure
getname_kernel() needs to make sure that ->name != ->iname in long case
Bluetooth: Fix connection if directed advertising and privacy is used
Bluetooth: hci_bcm: Treat Interrupt ACPI resources as always being active-low
rtl8187: Fix NULL pointer dereference in priv->conf_mutex
x86/MCE: Report only DRAM ECC as memory errors on AMD systems
x86/mce/AMD: Pass the bank number to smca_get_bank_type()
x86/mce/AMD, EDAC/mce_amd: Enumerate Reserved SMCA bank type
x86/mce/AMD: Get address from already initialized block
hwmon: (ina2xx) Fix access to uninitialized mutex
ath9k: Protect queue draining by rcu_read_lock()
sunrpc: remove incorrect HMAC request initialization
f2fs: fix heap mode to reset it back
lib: fix stall in __bitmap_parselist()
blk-mq: don't keep offline CPUs mapped to hctx 0
ovl: fix lookup with middle layer opaque dir and absolute path redirects
xen: xenbus_dev_frontend: Fix XS_TRANSACTION_END handling
hugetlbfs: fix bug in pgoff overflow checking
nfsd: fix incorrect umasks
Linux 4.14.35
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
As user can change the migration thresholds, need to use the
upmigration threshold for capcity margin checks instead of
hard coded one to avoid undesired behavior.
Change-Id: I83e68bbaeba814c720af5e6ae4c37b4162141c51
Signed-off-by: Satya Durga Srinivasu Prabhala <satyap@codeaurora.org>
cluster->cpus might include hotplugged cores and as a result we would
end up sending incorrect flag to cpufreq. Fix the bug by checking
cpu_online_mask.
Change-Id: I39fa9296aac72604c91470a8ffe0a5b9efbaac1f
Signed-off-by: Puja Gupta <pujag@codeaurora.org>
