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commit cf0c3e68aa81f992b0301f62e341b710d385bf68 upstream.
KBuild abuses the asm statement to write to a file and
clang chokes about these invalid asm statements. Hack it
even more by fooling this is actual valid asm code.
[masahiro:
Import Jeroen's work for U-Boot:
http://patchwork.ozlabs.org/patch/375026/
Tweak sed script a little to avoid garbage '#' for GCC case, like
#define NR_PAGEFLAGS 23 /* __NR_PAGEFLAGS # */ ]
Signed-off-by: Jeroen Hofstee <jeroen@myspectrum.nl>
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Reviewed-by: Matthias Kaehlcke <mka@chromium.org>
Tested-by: Matthias Kaehlcke <mka@chromium.org>
Signed-off-by: Nathan Chancellor <natechancellor@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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* refs/heads/tmp-564ce1b
Linux 4.4.164
drm/i915/hdmi: Add HDMI 2.0 audio clock recovery N values
drm/dp_mst: Check if primary mstb is null
drm/rockchip: Allow driver to be shutdown on reboot/kexec
mm: migration: fix migration of huge PMD shared pages
hugetlbfs: fix kernel BUG at fs/hugetlbfs/inode.c:444!
configfs: replace strncpy with memcpy
fuse: fix leaked notify reply
rtc: hctosys: Add missing range error reporting
sunrpc: correct the computation for page_ptr when truncating
mount: Prevent MNT_DETACH from disconnecting locked mounts
mount: Don't allow copying MNT_UNBINDABLE|MNT_LOCKED mounts
mount: Retest MNT_LOCKED in do_umount
ext4: fix buffer leak in __ext4_read_dirblock() on error path
ext4: fix buffer leak in ext4_xattr_move_to_block() on error path
ext4: release bs.bh before re-using in ext4_xattr_block_find()
ext4: fix possible leak of sbi->s_group_desc_leak in error path
ext4: avoid possible double brelse() in add_new_gdb() on error path
ext4: fix missing cleanup if ext4_alloc_flex_bg_array() fails while resizing
ext4: avoid buffer leak in ext4_orphan_add() after prior errors
ext4: fix possible inode leak in the retry loop of ext4_resize_fs()
ext4: avoid potential extra brelse in setup_new_flex_group_blocks()
ext4: add missing brelse() add_new_gdb_meta_bg()'s error path
ext4: add missing brelse() in set_flexbg_block_bitmap()'s error path
ext4: add missing brelse() update_backups()'s error path
clockevents/drivers/i8253: Add support for PIT shutdown quirk
Btrfs: fix data corruption due to cloning of eof block
arch/alpha, termios: implement BOTHER, IBSHIFT and termios2
termios, tty/tty_baudrate.c: fix buffer overrun
mtd: docg3: don't set conflicting BCH_CONST_PARAMS option
mm: thp: relax __GFP_THISNODE for MADV_HUGEPAGE mappings
ocfs2: fix a misuse a of brelse after failing ocfs2_check_dir_entry
vhost/scsi: truncate T10 PI iov_iter to prot_bytes
mach64: fix image corruption due to reading accelerator registers
mach64: fix display corruption on big endian machines
libceph: bump CEPH_MSG_MAX_DATA_LEN
clk: s2mps11: Fix matching when built as module and DT node contains compatible
xtensa: fix boot parameters address translation
xtensa: make sure bFLT stack is 16 byte aligned
xtensa: add NOTES section to the linker script
MIPS: Loongson-3: Fix BRIDGE irq delivery problem
MIPS: Loongson-3: Fix CPU UART irq delivery problem
bna: ethtool: Avoid reading past end of buffer
e1000: fix race condition between e1000_down() and e1000_watchdog
e1000: avoid null pointer dereference on invalid stat type
mm: do not bug_on on incorrect length in __mm_populate()
fs, elf: make sure to page align bss in load_elf_library
mm: refuse wrapped vm_brk requests
binfmt_elf: fix calculations for bss padding
mm, elf: handle vm_brk error
fuse: set FR_SENT while locked
fuse: fix blocked_waitq wakeup
fuse: Fix use-after-free in fuse_dev_do_write()
fuse: Fix use-after-free in fuse_dev_do_read()
scsi: qla2xxx: Fix incorrect port speed being set for FC adapters
cdrom: fix improper type cast, which can leat to information leak.
9p: clear dangling pointers in p9stat_free
9p locks: fix glock.client_id leak in do_lock
media: tvp5150: fix width alignment during set_selection()
sc16is7xx: Fix for multi-channel stall
powerpc/boot: Ensure _zimage_start is a weak symbol
MIPS: kexec: Mark CPU offline before disabling local IRQ
media: pci: cx23885: handle adding to list failure
drm/omap: fix memory barrier bug in DMM driver
powerpc/nohash: fix undefined behaviour when testing page size support
tty: check name length in tty_find_polling_driver()
MD: fix invalid stored role for a disk - try2
btrfs: set max_extent_size properly
Btrfs: fix null pointer dereference on compressed write path error
btrfs: qgroup: Dirty all qgroups before rescan
Btrfs: fix wrong dentries after fsync of file that got its parent replaced
btrfs: make sure we create all new block groups
btrfs: reset max_extent_size on clear in a bitmap
btrfs: wait on caching when putting the bg cache
btrfs: don't attempt to trim devices that don't support it
btrfs: iterate all devices during trim, instead of fs_devices::alloc_list
btrfs: locking: Add extra check in btrfs_init_new_buffer() to avoid deadlock
btrfs: Handle owner mismatch gracefully when walking up tree
soc/tegra: pmc: Fix child-node lookup
arm64: dts: stratix10: Correct System Manager register size
Cramfs: fix abad comparison when wrap-arounds occur
ext4: avoid running out of journal credits when appending to an inline file
media: em28xx: make v4l2-compliance happier by starting sequence on zero
media: em28xx: fix input name for Terratec AV 350
media: em28xx: use a default format if TRY_FMT fails
xen: fix xen_qlock_wait()
kgdboc: Passing ekgdboc to command line causes panic
TC: Set DMA masks for devices
MIPS: OCTEON: fix out of bounds array access on CN68XX
powerpc/msi: Fix compile error on mpc83xx
dm ioctl: harden copy_params()'s copy_from_user() from malicious users
lockd: fix access beyond unterminated strings in prints
nfsd: Fix an Oops in free_session()
NFSv4.1: Fix the r/wsize checking
genirq: Fix race on spurious interrupt detection
printk: Fix panic caused by passing log_buf_len to command line
smb3: on kerberos mount if server doesn't specify auth type use krb5
smb3: do not attempt cifs operation in smb3 query info error path
smb3: allow stats which track session and share reconnects to be reset
w1: omap-hdq: fix missing bus unregister at removal
iio: adc: at91: fix wrong channel number in triggered buffer mode
iio: adc: at91: fix acking DRDY irq on simple conversions
kbuild: fix kernel/bounds.c 'W=1' warning
hugetlbfs: dirty pages as they are added to pagecache
ima: fix showing large 'violations' or 'runtime_measurements_count'
crypto: lrw - Fix out-of bounds access on counter overflow
signal/GenWQE: Fix sending of SIGKILL
PCI: Add Device IDs for Intel GPU "spurious interrupt" quirk
HID: hiddev: fix potential Spectre v1
ext4: initialize retries variable in ext4_da_write_inline_data_begin()
gfs2_meta: ->mount() can get NULL dev_name
jbd2: fix use after free in jbd2_log_do_checkpoint()
libnvdimm: Hold reference on parent while scheduling async init
net/ipv4: defensive cipso option parsing
xen: make xen_qlock_wait() nestable
xen: fix race in xen_qlock_wait()
tpm: Restore functionality to xen vtpm driver.
xen-swiotlb: use actually allocated size on check physical continuous
ALSA: hda: Check the non-cached stream buffers more explicitly
dmaengine: dma-jz4780: Return error if not probed from DT
signal: Always deliver the kernel's SIGKILL and SIGSTOP to a pid namespace init
scsi: lpfc: Correct soft lockup when running mds diagnostics
uio: ensure class is registered before devices
driver/dma/ioat: Call del_timer_sync() without holding prep_lock
usb: chipidea: Prevent unbalanced IRQ disable
MD: fix invalid stored role for a disk
ext4: fix argument checking in EXT4_IOC_MOVE_EXT
tpm: suppress transmit cmd error logs when TPM 1.2 is disabled/deactivated
scsi: megaraid_sas: fix a missing-check bug
scsi: esp_scsi: Track residual for PIO transfers
ath10k: schedule hardware restart if WMI command times out
pinctrl: ssbi-gpio: Fix pm8xxx_pin_config_get() to be compliant
pinctrl: spmi-mpp: Fix pmic_mpp_config_get() to be compliant
pinctrl: qcom: spmi-mpp: Fix drive strength setting
ACPI / LPSS: Add alternative ACPI HIDs for Cherry Trail DMA controllers
kprobes: Return error if we fail to reuse kprobe instead of BUG_ON()
pinctrl: qcom: spmi-mpp: Fix err handling of pmic_mpp_set_mux
x86: boot: Fix EFI stub alignment
Bluetooth: btbcm: Add entry for BCM4335C0 UART bluetooth
mmc: sdhci-pci-o2micro: Add quirk for O2 Micro dev 0x8620 rev 0x01
perf tools: Cleanup trace-event-info 'tdata' leak
perf tools: Free temporary 'sys' string in read_event_files()
tun: Consistently configure generic netdev params via rtnetlink
swim: fix cleanup on setup error
ataflop: fix error handling during setup
locking/lockdep: Fix debug_locks off performance problem
selftests: ftrace: Add synthetic event syntax testcase
net: qla3xxx: Remove overflowing shift statement
x86/fpu: Remove second definition of fpu in __fpu__restore_sig()
sparc: Fix single-pcr perf event counter management.
x86/kconfig: Fall back to ticket spinlocks
x86/corruption-check: Fix panic in memory_corruption_check() when boot option without value is provided
ALSA: ca0106: Disable IZD on SB0570 DAC to fix audio pops
ALSA: hda - Add mic quirk for the Lenovo G50-30 (17aa:3905)
parisc: Fix map_pages() to not overwrite existing pte entries
parisc: Fix address in HPMC IVA
ipmi: Fix timer race with module unload
pcmcia: Implement CLKRUN protocol disabling for Ricoh bridges
jffs2: free jffs2_sb_info through jffs2_kill_sb()
hwmon: (pmbus) Fix page count auto-detection.
bcache: fix miss key refill->end in writeback
ANDROID: zram: set comp_len to PAGE_SIZE when page is huge
Conflicts:
drivers/hid/usbhid/hiddev.c
Change-Id: I42874613e3b4102ef4ed051e1e8ed25b2d4ae7f2
Signed-off-by: Srinivasarao P <spathi@codeaurora.org>
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Changes in 4.4.164
bcache: fix miss key refill->end in writeback
hwmon: (pmbus) Fix page count auto-detection.
jffs2: free jffs2_sb_info through jffs2_kill_sb()
pcmcia: Implement CLKRUN protocol disabling for Ricoh bridges
ipmi: Fix timer race with module unload
parisc: Fix address in HPMC IVA
parisc: Fix map_pages() to not overwrite existing pte entries
ALSA: hda - Add mic quirk for the Lenovo G50-30 (17aa:3905)
ALSA: ca0106: Disable IZD on SB0570 DAC to fix audio pops
x86/corruption-check: Fix panic in memory_corruption_check() when boot option without value is provided
x86/kconfig: Fall back to ticket spinlocks
sparc: Fix single-pcr perf event counter management.
x86/fpu: Remove second definition of fpu in __fpu__restore_sig()
net: qla3xxx: Remove overflowing shift statement
selftests: ftrace: Add synthetic event syntax testcase
locking/lockdep: Fix debug_locks off performance problem
ataflop: fix error handling during setup
swim: fix cleanup on setup error
tun: Consistently configure generic netdev params via rtnetlink
perf tools: Free temporary 'sys' string in read_event_files()
perf tools: Cleanup trace-event-info 'tdata' leak
mmc: sdhci-pci-o2micro: Add quirk for O2 Micro dev 0x8620 rev 0x01
Bluetooth: btbcm: Add entry for BCM4335C0 UART bluetooth
x86: boot: Fix EFI stub alignment
pinctrl: qcom: spmi-mpp: Fix err handling of pmic_mpp_set_mux
kprobes: Return error if we fail to reuse kprobe instead of BUG_ON()
ACPI / LPSS: Add alternative ACPI HIDs for Cherry Trail DMA controllers
pinctrl: qcom: spmi-mpp: Fix drive strength setting
pinctrl: spmi-mpp: Fix pmic_mpp_config_get() to be compliant
pinctrl: ssbi-gpio: Fix pm8xxx_pin_config_get() to be compliant
ath10k: schedule hardware restart if WMI command times out
scsi: esp_scsi: Track residual for PIO transfers
scsi: megaraid_sas: fix a missing-check bug
tpm: suppress transmit cmd error logs when TPM 1.2 is disabled/deactivated
ext4: fix argument checking in EXT4_IOC_MOVE_EXT
MD: fix invalid stored role for a disk
usb: chipidea: Prevent unbalanced IRQ disable
driver/dma/ioat: Call del_timer_sync() without holding prep_lock
uio: ensure class is registered before devices
scsi: lpfc: Correct soft lockup when running mds diagnostics
signal: Always deliver the kernel's SIGKILL and SIGSTOP to a pid namespace init
dmaengine: dma-jz4780: Return error if not probed from DT
ALSA: hda: Check the non-cached stream buffers more explicitly
xen-swiotlb: use actually allocated size on check physical continuous
tpm: Restore functionality to xen vtpm driver.
xen: fix race in xen_qlock_wait()
xen: make xen_qlock_wait() nestable
net/ipv4: defensive cipso option parsing
libnvdimm: Hold reference on parent while scheduling async init
jbd2: fix use after free in jbd2_log_do_checkpoint()
gfs2_meta: ->mount() can get NULL dev_name
ext4: initialize retries variable in ext4_da_write_inline_data_begin()
HID: hiddev: fix potential Spectre v1
PCI: Add Device IDs for Intel GPU "spurious interrupt" quirk
signal/GenWQE: Fix sending of SIGKILL
crypto: lrw - Fix out-of bounds access on counter overflow
ima: fix showing large 'violations' or 'runtime_measurements_count'
hugetlbfs: dirty pages as they are added to pagecache
kbuild: fix kernel/bounds.c 'W=1' warning
iio: adc: at91: fix acking DRDY irq on simple conversions
iio: adc: at91: fix wrong channel number in triggered buffer mode
w1: omap-hdq: fix missing bus unregister at removal
smb3: allow stats which track session and share reconnects to be reset
smb3: do not attempt cifs operation in smb3 query info error path
smb3: on kerberos mount if server doesn't specify auth type use krb5
printk: Fix panic caused by passing log_buf_len to command line
genirq: Fix race on spurious interrupt detection
NFSv4.1: Fix the r/wsize checking
nfsd: Fix an Oops in free_session()
lockd: fix access beyond unterminated strings in prints
dm ioctl: harden copy_params()'s copy_from_user() from malicious users
powerpc/msi: Fix compile error on mpc83xx
MIPS: OCTEON: fix out of bounds array access on CN68XX
TC: Set DMA masks for devices
kgdboc: Passing ekgdboc to command line causes panic
xen: fix xen_qlock_wait()
media: em28xx: use a default format if TRY_FMT fails
media: em28xx: fix input name for Terratec AV 350
media: em28xx: make v4l2-compliance happier by starting sequence on zero
ext4: avoid running out of journal credits when appending to an inline file
Cramfs: fix abad comparison when wrap-arounds occur
arm64: dts: stratix10: Correct System Manager register size
soc/tegra: pmc: Fix child-node lookup
btrfs: Handle owner mismatch gracefully when walking up tree
btrfs: locking: Add extra check in btrfs_init_new_buffer() to avoid deadlock
btrfs: iterate all devices during trim, instead of fs_devices::alloc_list
btrfs: don't attempt to trim devices that don't support it
btrfs: wait on caching when putting the bg cache
btrfs: reset max_extent_size on clear in a bitmap
btrfs: make sure we create all new block groups
Btrfs: fix wrong dentries after fsync of file that got its parent replaced
btrfs: qgroup: Dirty all qgroups before rescan
Btrfs: fix null pointer dereference on compressed write path error
btrfs: set max_extent_size properly
MD: fix invalid stored role for a disk - try2
tty: check name length in tty_find_polling_driver()
powerpc/nohash: fix undefined behaviour when testing page size support
drm/omap: fix memory barrier bug in DMM driver
media: pci: cx23885: handle adding to list failure
MIPS: kexec: Mark CPU offline before disabling local IRQ
powerpc/boot: Ensure _zimage_start is a weak symbol
sc16is7xx: Fix for multi-channel stall
media: tvp5150: fix width alignment during set_selection()
9p locks: fix glock.client_id leak in do_lock
9p: clear dangling pointers in p9stat_free
cdrom: fix improper type cast, which can leat to information leak.
scsi: qla2xxx: Fix incorrect port speed being set for FC adapters
fuse: Fix use-after-free in fuse_dev_do_read()
fuse: Fix use-after-free in fuse_dev_do_write()
fuse: fix blocked_waitq wakeup
fuse: set FR_SENT while locked
mm, elf: handle vm_brk error
binfmt_elf: fix calculations for bss padding
mm: refuse wrapped vm_brk requests
fs, elf: make sure to page align bss in load_elf_library
mm: do not bug_on on incorrect length in __mm_populate()
e1000: avoid null pointer dereference on invalid stat type
e1000: fix race condition between e1000_down() and e1000_watchdog
bna: ethtool: Avoid reading past end of buffer
MIPS: Loongson-3: Fix CPU UART irq delivery problem
MIPS: Loongson-3: Fix BRIDGE irq delivery problem
xtensa: add NOTES section to the linker script
xtensa: make sure bFLT stack is 16 byte aligned
xtensa: fix boot parameters address translation
clk: s2mps11: Fix matching when built as module and DT node contains compatible
libceph: bump CEPH_MSG_MAX_DATA_LEN
mach64: fix display corruption on big endian machines
mach64: fix image corruption due to reading accelerator registers
vhost/scsi: truncate T10 PI iov_iter to prot_bytes
ocfs2: fix a misuse a of brelse after failing ocfs2_check_dir_entry
mm: thp: relax __GFP_THISNODE for MADV_HUGEPAGE mappings
mtd: docg3: don't set conflicting BCH_CONST_PARAMS option
termios, tty/tty_baudrate.c: fix buffer overrun
arch/alpha, termios: implement BOTHER, IBSHIFT and termios2
Btrfs: fix data corruption due to cloning of eof block
clockevents/drivers/i8253: Add support for PIT shutdown quirk
ext4: add missing brelse() update_backups()'s error path
ext4: add missing brelse() in set_flexbg_block_bitmap()'s error path
ext4: add missing brelse() add_new_gdb_meta_bg()'s error path
ext4: avoid potential extra brelse in setup_new_flex_group_blocks()
ext4: fix possible inode leak in the retry loop of ext4_resize_fs()
ext4: avoid buffer leak in ext4_orphan_add() after prior errors
ext4: fix missing cleanup if ext4_alloc_flex_bg_array() fails while resizing
ext4: avoid possible double brelse() in add_new_gdb() on error path
ext4: fix possible leak of sbi->s_group_desc_leak in error path
ext4: release bs.bh before re-using in ext4_xattr_block_find()
ext4: fix buffer leak in ext4_xattr_move_to_block() on error path
ext4: fix buffer leak in __ext4_read_dirblock() on error path
mount: Retest MNT_LOCKED in do_umount
mount: Don't allow copying MNT_UNBINDABLE|MNT_LOCKED mounts
mount: Prevent MNT_DETACH from disconnecting locked mounts
sunrpc: correct the computation for page_ptr when truncating
rtc: hctosys: Add missing range error reporting
fuse: fix leaked notify reply
configfs: replace strncpy with memcpy
hugetlbfs: fix kernel BUG at fs/hugetlbfs/inode.c:444!
mm: migration: fix migration of huge PMD shared pages
drm/rockchip: Allow driver to be shutdown on reboot/kexec
drm/dp_mst: Check if primary mstb is null
drm/i915/hdmi: Add HDMI 2.0 audio clock recovery N values
Linux 4.4.164
Change-Id: I55f9e5e33efd8c8ae2609d2393696c810f49f33e
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
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commit 017b1660df89f5fb4bfe66c34e35f7d2031100c7 upstream.
The page migration code employs try_to_unmap() to try and unmap the source
page. This is accomplished by using rmap_walk to find all vmas where the
page is mapped. This search stops when page mapcount is zero. For shared
PMD huge pages, the page map count is always 1 no matter the number of
mappings. Shared mappings are tracked via the reference count of the PMD
page. Therefore, try_to_unmap stops prematurely and does not completely
unmap all mappings of the source page.
This problem can result is data corruption as writes to the original
source page can happen after contents of the page are copied to the target
page. Hence, data is lost.
This problem was originally seen as DB corruption of shared global areas
after a huge page was soft offlined due to ECC memory errors. DB
developers noticed they could reproduce the issue by (hotplug) offlining
memory used to back huge pages. A simple testcase can reproduce the
problem by creating a shared PMD mapping (note that this must be at least
PUD_SIZE in size and PUD_SIZE aligned (1GB on x86)), and using
migrate_pages() to migrate process pages between nodes while continually
writing to the huge pages being migrated.
To fix, have the try_to_unmap_one routine check for huge PMD sharing by
calling huge_pmd_unshare for hugetlbfs huge pages. If it is a shared
mapping it will be 'unshared' which removes the page table entry and drops
the reference on the PMD page. After this, flush caches and TLB.
mmu notifiers are called before locking page tables, but we can not be
sure of PMD sharing until page tables are locked. Therefore, check for
the possibility of PMD sharing before locking so that notifiers can
prepare for the worst possible case.
Link: http://lkml.kernel.org/r/20180823205917.16297-2-mike.kravetz@oracle.com
[mike.kravetz@oracle.com: make _range_in_vma() a static inline]
Link: http://lkml.kernel.org/r/6063f215-a5c8-2f0c-465a-2c515ddc952d@oracle.com
Fixes: 39dde65c9940 ("shared page table for hugetlb page")
Signed-off-by: Mike Kravetz <mike.kravetz@oracle.com>
Acked-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Reviewed-by: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>
Acked-by: Michal Hocko <mhocko@suse.com>
Cc: Vlastimil Babka <vbabka@suse.cz>
Cc: Davidlohr Bueso <dave@stgolabs.net>
Cc: Jerome Glisse <jglisse@redhat.com>
Cc: Mike Kravetz <mike.kravetz@oracle.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Mike Kravetz <mike.kravetz@oracle.com>
Acked-by: Michal Hocko <mhocko@suse.com>
Reviewed-by: Jérôme Glisse <jglisse@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 35b69a420bfb56b7b74cb635ea903db05e357bec upstream.
Add support for platforms where pit_shutdown() doesn't work because of a
quirk in the PIT emulation. On these platforms setting the counter register
to zero causes the PIT to start running again, negating the shutdown.
Provide a global variable that controls whether the counter register is
zero'ed, which platform specific code can override.
Signed-off-by: Michael Kelley <mikelley@microsoft.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: "gregkh@linuxfoundation.org" <gregkh@linuxfoundation.org>
Cc: "devel@linuxdriverproject.org" <devel@linuxdriverproject.org>
Cc: "daniel.lezcano@linaro.org" <daniel.lezcano@linaro.org>
Cc: "virtualization@lists.linux-foundation.org" <virtualization@lists.linux-foundation.org>
Cc: "jgross@suse.com" <jgross@suse.com>
Cc: "akataria@vmware.com" <akataria@vmware.com>
Cc: "olaf@aepfle.de" <olaf@aepfle.de>
Cc: "apw@canonical.com" <apw@canonical.com>
Cc: vkuznets <vkuznets@redhat.com>
Cc: "jasowang@redhat.com" <jasowang@redhat.com>
Cc: "marcelo.cerri@canonical.com" <marcelo.cerri@canonical.com>
Cc: KY Srinivasan <kys@microsoft.com>
Cc: stable@vger.kernel.org
Link: https://lkml.kernel.org/r/1541303219-11142-2-git-send-email-mikelley@microsoft.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 94e6992bb560be8bffb47f287194adf070b57695 upstream.
If the read is large enough, we end up spinning in the messenger:
libceph: osd0 192.168.122.1:6801 io error
libceph: osd0 192.168.122.1:6801 io error
libceph: osd0 192.168.122.1:6801 io error
This is a receive side limit, so only reads were affected.
Cc: stable@vger.kernel.org
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 3f2aa244ee1a0d17ed5b6c86564d2c1b24d1c96b upstream.
Fix a TURBOchannel support regression with commit 205e1b7f51e4
("dma-mapping: warn when there is no coherent_dma_mask") that caused
coherent DMA allocations to produce a warning such as:
defxx: v1.11 2014/07/01 Lawrence V. Stefani and others
tc1: DEFTA at MMIO addr = 0x1e900000, IRQ = 20, Hardware addr = 08-00-2b-a3-a3-29
------------[ cut here ]------------
WARNING: CPU: 0 PID: 1 at ./include/linux/dma-mapping.h:516 dfx_dev_register+0x670/0x678
Modules linked in:
CPU: 0 PID: 1 Comm: swapper Not tainted 4.19.0-rc6 #2
Stack : ffffffff8009ffc0 fffffffffffffec0 0000000000000000 ffffffff80647650
0000000000000000 0000000000000000 ffffffff806f5f80 ffffffffffffffff
0000000000000000 0000000000000000 0000000000000001 ffffffff8065d4e8
98000000031b6300 ffffffff80563478 ffffffff805685b0 ffffffffffffffff
0000000000000000 ffffffff805d6720 0000000000000204 ffffffff80388df8
0000000000000000 0000000000000009 ffffffff8053efd0 ffffffff806657d0
0000000000000000 ffffffff803177f8 0000000000000000 ffffffff806d0000
9800000003078000 980000000307b9e0 000000001e900000 ffffffff80067940
0000000000000000 ffffffff805d6720 0000000000000204 ffffffff80388df8
ffffffff805176c0 ffffffff8004dc78 0000000000000000 ffffffff80067940
...
Call Trace:
[<ffffffff8004dc78>] show_stack+0xa0/0x130
[<ffffffff80067940>] __warn+0x128/0x170
---[ end trace b1d1e094f67f3bb2 ]---
This is because the TURBOchannel bus driver fails to set the coherent
DMA mask for devices enumerated.
Set the regular and coherent DMA masks for TURBOchannel devices then,
observing that the bus protocol supports a 34-bit (16GiB) DMA address
space, by interpreting the value presented in the address cycle across
the 32 `ad' lines as a 32-bit word rather than byte address[1]. The
architectural size of the TURBOchannel DMA address space exceeds the
maximum amount of RAM any actual TURBOchannel system in existence may
have, hence both masks are the same.
This removes the warning shown above.
References:
[1] "TURBOchannel Hardware Specification", EK-369AA-OD-007B, Digital
Equipment Corporation, January 1993, Section "DMA", pp. 1-15 -- 1-17
Signed-off-by: Maciej W. Rozycki <macro@linux-mips.org>
Signed-off-by: Paul Burton <paul.burton@mips.com>
Patchwork: https://patchwork.linux-mips.org/patch/20835/
Fixes: 205e1b7f51e4 ("dma-mapping: warn when there is no coherent_dma_mask")
Cc: stable@vger.kernel.org # 4.16+
Cc: Ralf Baechle <ralf@linux-mips.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Added the new bootmarkers in struct boot_stats for
bootloader_checksum_start and bootloader_checksum_end
to match the exact order of entries defined in the
bootloader enum bs_entry. And also moved the
bootloader_early_camera_start entry to the bottom
to match the same.
Change-Id: I1fa19aa21b658d8fdf7dcf5bba6658c40420d426
Signed-off-by: E V Ravi <evenka@codeaurora.org>
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Early domain in LK runs in parallel with kernel
with some memory and cpu core(s) reserved for it.
LK updates the status of early services on a shared
memory location. In Kernel, this driver provides
new APIs to check any early service's status and to
communicate with them. It hot adds the reserved
cpu(s) and frees lk text once all early services end.
Change-Id: I0b29b1886abea3280543d76492044c8946d7690e
Signed-off-by: Vivek Kumar <vivekuma@codeaurora.org>
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Create bootmarkers inorder to get bootloader early camera start time
from the RAM area
Change-Id: I6635f4bbae958c73cceae9bb4b33db339838f303
Signed-off-by: E V Ravi <evenka@codeaurora.org>
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Log context type in case of GPU page faults or GPU faults.
Also add Vulkan context type to distinguish it from GL.
Change-Id: I7b93bf645b80abe82f2d6aa379296b2fffceb684
Signed-off-by: Rajesh Kemisetti <rajeshk@codeaurora.org>
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Add definition to enable QRTR based sockets.
Change-Id: Ic5b070462a103abcc5820fadb7b6bdc40946f1e5
Signed-off-by: Gustavo Solaira <gustavos@codeaurora.org>
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Add driver definition used by MHI core to enable
device drivers that use the MHI bus.
Change-Id: I2740dd7687dff0312fd679dbac146d21d9cbc8fe
Signed-off-by: Gustavo Solaira <gustavos@codeaurora.org>
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* refs/heads/tmp-0ca3fca
Linux 4.4.163
x86/time: Correct the attribute on jiffies' definition
l2tp: hold tunnel socket when handling control frames in l2tp_ip and l2tp_ip6
cpuidle: Do not access cpuidle_devices when !CONFIG_CPU_IDLE
x86/percpu: Fix this_cpu_read()
sched/fair: Fix throttle_list starvation with low CFS quota
Input: elan_i2c - add ACPI ID for Lenovo IdeaPad 330-15IGM
USB: fix the usbfs flag sanitization for control transfers
usb: gadget: storage: Fix Spectre v1 vulnerability
cdc-acm: correct counting of UART states in serial state notification
IB/ucm: Fix Spectre v1 vulnerability
RDMA/ucma: Fix Spectre v1 vulnerability
ptp: fix Spectre v1 vulnerability
cachefiles: fix the race between cachefiles_bury_object() and rmdir(2)
ahci: don't ignore result code of ahci_reset_controller()
crypto: shash - Fix a sleep-in-atomic bug in shash_setkey_unaligned
mremap: properly flush TLB before releasing the page
rtnetlink: Disallow FDB configuration for non-Ethernet device
vhost: Fix Spectre V1 vulnerability
net: drop skb on failure in ip_check_defrag()
sctp: fix race on sctp_id2asoc
r8169: fix NAPI handling under high load
net: stmmac: Fix stmmac_mdio_reset() when building stmmac as modules
net: socket: fix a missing-check bug
net: sched: gred: pass the right attribute to gred_change_table_def()
net/ipv6: Fix index counter for unicast addresses in in6_dump_addrs
ipv6/ndisc: Preserve IPv6 control buffer if protocol error handlers are called
ipv6: mcast: fix a use-after-free in inet6_mc_check
net: bridge: remove ipv6 zero address check in mcast queries
bridge: do not add port to router list when receives query with source 0.0.0.0
perf tools: Disable parallelism for 'make clean'
mtd: spi-nor: Add support for is25wp series chips
fs/fat/fatent.c: add cond_resched() to fat_count_free_clusters()
ARM: dts: imx53-qsb: disable 1.2GHz OPP
MIPS: DEC: Fix an int-handler.S CPU_DADDI_WORKAROUNDS regression
igb: Remove superfluous reset to PHY and page 0 selection
MIPS: microMIPS: Fix decoding of swsp16 instruction
scsi: aacraid: Fix typo in blink status
bonding: avoid defaulting hard_header_len to ETH_HLEN on slave removal
PM / devfreq: tegra: fix error return code in tegra_devfreq_probe()
ASoC: spear: fix error return code in spdif_in_probe()
spi: xlp: fix error return code in xlp_spi_probe()
spi/bcm63xx: fix error return code in bcm63xx_spi_probe()
MIPS: Handle non word sized instructions when examining frame
spi/bcm63xx-hspi: fix error return code in bcm63xx_hsspi_probe()
usb: dwc3: omap: fix error return code in dwc3_omap_probe()
usb: ehci-omap: fix error return code in ehci_hcd_omap_probe()
usb: imx21-hcd: fix error return code in imx21_probe()
gpio: msic: fix error return code in platform_msic_gpio_probe()
sparc64: Fix exception handling in UltraSPARC-III memcpy.
gpu: host1x: fix error return code in host1x_probe()
sparc64 mm: Fix more TSB sizing issues
video: fbdev: pxa3xx_gcu: fix error return code in pxa3xx_gcu_probe()
tty: serial: sprd: fix error return code in sprd_probe()
l2tp: hold socket before dropping lock in l2tp_ip{, 6}_recv()
brcmfmac: Fix glom_skb leak in brcmf_sdiod_recv_chain
gro: Allow tunnel stacking in the case of FOU/GUE
vti6: flush x-netns xfrm cache when vti interface is removed
ALSA: timer: Fix zero-division by continue of uninitialized instance
ixgbe: Correct X550EM_x revision check
ixgbe: fix RSS limit for X550
net/mlx5e: Correctly handle RSS indirection table when changing number of channels
net/mlx5e: Fix LRO modify
ixgbevf: Fix handling of NAPI budget when multiple queues are enabled per vector
fuse: Dont call set_page_dirty_lock() for ITER_BVEC pages for async_dio
drm/nouveau/fbcon: fix oops without fbdev emulation
bpf: generally move prog destruction to RCU deferral
usb-storage: fix bogus hardware error messages for ATA pass-thru devices
sch_red: update backlog as well
sparc/pci: Refactor dev_archdata initialization into pci_init_dev_archdata
scsi: Add STARGET_CREATED_REMOVE state to scsi_target_state
xfrm: Clear sk_dst_cache when applying per-socket policy.
arm64: Fix potential race with hardware DBM in ptep_set_access_flags()
CIFS: handle guest access errors to Windows shares
ASoC: wm8940: Enable cache usage to fix crashes on resume
ASoC: ak4613: Enable cache usage to fix crashes on resume
MIPS: Fix FCSR Cause bit handling for correct SIGFPE issue
usbvision: revert commit 588afcc1
perf/core: Don't leak event in the syscall error path
aacraid: Start adapter after updating number of MSIX vectors
x86/PCI: Mark Broadwell-EP Home Agent 1 as having non-compliant BARs
tpm: fix: return rc when devm_add_action() fails
thermal: allow u8500-thermal driver to be a module
thermal: allow spear-thermal driver to be a module
btrfs: don't create or leak aliased root while cleaning up orphans
sched/cgroup: Fix cgroup entity load tracking tear-down
um: Avoid longjmp/setjmp symbol clashes with libpthread.a
ipv6: orphan skbs in reassembly unit
net/mlx4_en: Resolve dividing by zero in 32-bit system
af_iucv: Move sockaddr length checks to before accessing sa_family in bind and connect handlers
radix-tree: fix radix_tree_iter_retry() for tagged iterators.
x86/mm/pat: Prevent hang during boot when mapping pages
ARM: dts: apq8064: add ahci ports-implemented mask
tracing: Skip more functions when doing stack tracing of events
ser_gigaset: use container_of() instead of detour
net: drop write-only stack variable
ipv6: suppress sparse warnings in IP6_ECN_set_ce()
KEYS: put keyring if install_session_keyring_to_cred() fails
net: cxgb3_main: fix a missing-check bug
perf/ring_buffer: Prevent concurent ring buffer access
smsc95xx: Check for Wake-on-LAN modes
smsc75xx: Check for Wake-on-LAN modes
r8152: Check for supported Wake-on-LAN Modes
sr9800: Check for supported Wake-on-LAN modes
lan78xx: Check for supported Wake-on-LAN modes
ax88179_178a: Check for supported Wake-on-LAN modes
asix: Check for supported Wake-on-LAN modes
pxa168fb: prepare the clock
Bluetooth: SMP: fix crash in unpairing
mac80211_hwsim: do not omit multicast announce of first added radio
xfrm: validate template mode
ARM: 8799/1: mm: fix pci_ioremap_io() offset check
cfg80211: reg: Init wiphy_idx in regulatory_hint_core()
mac80211: Always report TX status
xfrm6: call kfree_skb when skb is toobig
xfrm: Validate address prefix lengths in the xfrm selector.
BACKPORT: xfrm: Allow Output Mark to be Updated Using UPDSA
ANDROID: sdcardfs: Add option to drop unused dentries
f2fs: guarantee journalled quota data by checkpoint
f2fs: cleanup dirty pages if recover failed
f2fs: fix data corruption issue with hardware encryption
f2fs: fix to recover inode->i_flags of inode block during POR
f2fs: spread f2fs_set_inode_flags()
f2fs: fix to spread clear_cold_data()
Revert "f2fs: fix to clear PG_checked flag in set_page_dirty()"
f2fs: account read IOs and use IO counts for is_idle
f2fs: fix to account IO correctly for cgroup writeback
f2fs: fix to account IO correctly
f2fs: remove request_list check in is_idle()
f2fs: allow to mount, if quota is failed
f2fs: update REQ_TIME in f2fs_cross_rename()
f2fs: do not update REQ_TIME in case of error conditions
f2fs: remove unneeded disable_nat_bits()
f2fs: remove unused sbi->trigger_ssr_threshold
f2fs: shrink sbi->sb_lock coverage in set_file_temperature()
f2fs: fix to recover cold bit of inode block during POR
f2fs: submit cached bio to avoid endless PageWriteback
f2fs: checkpoint disabling
f2fs: clear PageError on the read path
f2fs: allow out-place-update for direct IO in LFS mode
f2fs: refactor ->page_mkwrite() flow
Revert: "f2fs: check last page index in cached bio to decide submission"
f2fs: support superblock checksum
f2fs: add to account skip count of background GC
f2fs: add to account meta IO
f2fs: keep lazytime on remount
f2fs: fix missing up_read
f2fs: return correct errno in f2fs_gc
f2fs: avoid f2fs_bug_on if f2fs_get_meta_page_nofail got EIO
f2fs: mark inode dirty explicitly in recover_inode()
f2fs: fix to recover inode's crtime during POR
f2fs: fix to recover inode's i_gc_failures during POR
f2fs: fix to recover inode's i_flags during POR
f2fs: fix to recover inode's project id during POR
f2fs: update i_size after DIO completion
f2fs: report ENOENT correctly in f2fs_rename
f2fs: fix remount problem of option io_bits
f2fs: fix to recover inode's uid/gid during POR
f2fs: avoid infinite loop in f2fs_alloc_nid
f2fs: add new idle interval timing for discard and gc paths
f2fs: split IO error injection according to RW
f2fs: add SPDX license identifiers
f2fs: surround fault_injection related option parsing using CONFIG_F2FS_FAULT_INJECTION
f2fs: avoid sleeping under spin_lock
f2fs: plug readahead IO in readdir()
f2fs: fix to do sanity check with current segment number
f2fs: fix memory leak of percpu counter in fill_super()
f2fs: fix memory leak of write_io in fill_super()
f2fs: cache NULL when both default_acl and acl are NULL
f2fs: fix to flush all dirty inodes recovered in readonly fs
f2fs: report error if quota off error during umount
f2fs: submit bio after shutdown
f2fs: avoid wrong decrypted data from disk
Revert "f2fs: use printk_ratelimited for f2fs_msg"
f2fs: fix unnecessary periodic wakeup of discard thread when dev is busy
f2fs: fix to avoid NULL pointer dereference on se->discard_map
f2fs: add additional sanity check in f2fs_acl_from_disk()
Revert "BACKPORT, FROMLIST: fscrypt: add Speck128/256 support"
Build fix for 076c36fce1ea0.
Revert "BACKPORT, FROMGIT: crypto: speck - add support for the Speck block cipher"
Revert "FROMGIT: crypto: speck - export common helpers"
Revert "BACKPORT, FROMGIT: crypto: arm/speck - add NEON-accelerated implementation of Speck-XTS"
Revert "BACKPORT, FROMGIT: crypto: speck - add test vectors for Speck128-XTS"
Revert "BACKPORT, FROMGIT: crypto: speck - add test vectors for Speck64-XTS"
Revert "BACKPORT, FROMLIST: crypto: arm64/speck - add NEON-accelerated implementation of Speck-XTS"
Revert "fscrypt: add Speck128/256 support"
UPSTREAM: loop: Add LOOP_SET_BLOCK_SIZE in compat ioctl
BACKPORT: block/loop: set hw_sectors
UPSTREAM: loop: add ioctl for changing logical block size
Conflicts:
fs/ext4/crypto.c
fs/ext4/ext4.h
Change-Id: I8cb2f70b27906879f8e8fdd90e67f438e39701b8
Signed-off-by: Srinivasarao P <spathi@codeaurora.org>
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Changes in 4.4.163
xfrm: Validate address prefix lengths in the xfrm selector.
xfrm6: call kfree_skb when skb is toobig
mac80211: Always report TX status
cfg80211: reg: Init wiphy_idx in regulatory_hint_core()
ARM: 8799/1: mm: fix pci_ioremap_io() offset check
xfrm: validate template mode
mac80211_hwsim: do not omit multicast announce of first added radio
Bluetooth: SMP: fix crash in unpairing
pxa168fb: prepare the clock
asix: Check for supported Wake-on-LAN modes
ax88179_178a: Check for supported Wake-on-LAN modes
lan78xx: Check for supported Wake-on-LAN modes
sr9800: Check for supported Wake-on-LAN modes
r8152: Check for supported Wake-on-LAN Modes
smsc75xx: Check for Wake-on-LAN modes
smsc95xx: Check for Wake-on-LAN modes
perf/ring_buffer: Prevent concurent ring buffer access
net: cxgb3_main: fix a missing-check bug
KEYS: put keyring if install_session_keyring_to_cred() fails
ipv6: suppress sparse warnings in IP6_ECN_set_ce()
net: drop write-only stack variable
ser_gigaset: use container_of() instead of detour
tracing: Skip more functions when doing stack tracing of events
ARM: dts: apq8064: add ahci ports-implemented mask
x86/mm/pat: Prevent hang during boot when mapping pages
radix-tree: fix radix_tree_iter_retry() for tagged iterators.
af_iucv: Move sockaddr length checks to before accessing sa_family in bind and connect handlers
net/mlx4_en: Resolve dividing by zero in 32-bit system
ipv6: orphan skbs in reassembly unit
um: Avoid longjmp/setjmp symbol clashes with libpthread.a
sched/cgroup: Fix cgroup entity load tracking tear-down
btrfs: don't create or leak aliased root while cleaning up orphans
thermal: allow spear-thermal driver to be a module
thermal: allow u8500-thermal driver to be a module
tpm: fix: return rc when devm_add_action() fails
x86/PCI: Mark Broadwell-EP Home Agent 1 as having non-compliant BARs
aacraid: Start adapter after updating number of MSIX vectors
perf/core: Don't leak event in the syscall error path
usbvision: revert commit 588afcc1
MIPS: Fix FCSR Cause bit handling for correct SIGFPE issue
ASoC: ak4613: Enable cache usage to fix crashes on resume
ASoC: wm8940: Enable cache usage to fix crashes on resume
CIFS: handle guest access errors to Windows shares
arm64: Fix potential race with hardware DBM in ptep_set_access_flags()
xfrm: Clear sk_dst_cache when applying per-socket policy.
scsi: Add STARGET_CREATED_REMOVE state to scsi_target_state
sparc/pci: Refactor dev_archdata initialization into pci_init_dev_archdata
sch_red: update backlog as well
usb-storage: fix bogus hardware error messages for ATA pass-thru devices
bpf: generally move prog destruction to RCU deferral
drm/nouveau/fbcon: fix oops without fbdev emulation
fuse: Dont call set_page_dirty_lock() for ITER_BVEC pages for async_dio
ixgbevf: Fix handling of NAPI budget when multiple queues are enabled per vector
net/mlx5e: Fix LRO modify
net/mlx5e: Correctly handle RSS indirection table when changing number of channels
ixgbe: fix RSS limit for X550
ixgbe: Correct X550EM_x revision check
ALSA: timer: Fix zero-division by continue of uninitialized instance
vti6: flush x-netns xfrm cache when vti interface is removed
gro: Allow tunnel stacking in the case of FOU/GUE
brcmfmac: Fix glom_skb leak in brcmf_sdiod_recv_chain
l2tp: hold socket before dropping lock in l2tp_ip{, 6}_recv()
tty: serial: sprd: fix error return code in sprd_probe()
video: fbdev: pxa3xx_gcu: fix error return code in pxa3xx_gcu_probe()
sparc64 mm: Fix more TSB sizing issues
gpu: host1x: fix error return code in host1x_probe()
sparc64: Fix exception handling in UltraSPARC-III memcpy.
gpio: msic: fix error return code in platform_msic_gpio_probe()
usb: imx21-hcd: fix error return code in imx21_probe()
usb: ehci-omap: fix error return code in ehci_hcd_omap_probe()
usb: dwc3: omap: fix error return code in dwc3_omap_probe()
spi/bcm63xx-hspi: fix error return code in bcm63xx_hsspi_probe()
MIPS: Handle non word sized instructions when examining frame
spi/bcm63xx: fix error return code in bcm63xx_spi_probe()
spi: xlp: fix error return code in xlp_spi_probe()
ASoC: spear: fix error return code in spdif_in_probe()
PM / devfreq: tegra: fix error return code in tegra_devfreq_probe()
bonding: avoid defaulting hard_header_len to ETH_HLEN on slave removal
scsi: aacraid: Fix typo in blink status
MIPS: microMIPS: Fix decoding of swsp16 instruction
igb: Remove superfluous reset to PHY and page 0 selection
MIPS: DEC: Fix an int-handler.S CPU_DADDI_WORKAROUNDS regression
ARM: dts: imx53-qsb: disable 1.2GHz OPP
fs/fat/fatent.c: add cond_resched() to fat_count_free_clusters()
mtd: spi-nor: Add support for is25wp series chips
perf tools: Disable parallelism for 'make clean'
bridge: do not add port to router list when receives query with source 0.0.0.0
net: bridge: remove ipv6 zero address check in mcast queries
ipv6: mcast: fix a use-after-free in inet6_mc_check
ipv6/ndisc: Preserve IPv6 control buffer if protocol error handlers are called
net/ipv6: Fix index counter for unicast addresses in in6_dump_addrs
net: sched: gred: pass the right attribute to gred_change_table_def()
net: socket: fix a missing-check bug
net: stmmac: Fix stmmac_mdio_reset() when building stmmac as modules
r8169: fix NAPI handling under high load
sctp: fix race on sctp_id2asoc
net: drop skb on failure in ip_check_defrag()
vhost: Fix Spectre V1 vulnerability
rtnetlink: Disallow FDB configuration for non-Ethernet device
mremap: properly flush TLB before releasing the page
crypto: shash - Fix a sleep-in-atomic bug in shash_setkey_unaligned
ahci: don't ignore result code of ahci_reset_controller()
cachefiles: fix the race between cachefiles_bury_object() and rmdir(2)
ptp: fix Spectre v1 vulnerability
RDMA/ucma: Fix Spectre v1 vulnerability
IB/ucm: Fix Spectre v1 vulnerability
cdc-acm: correct counting of UART states in serial state notification
usb: gadget: storage: Fix Spectre v1 vulnerability
USB: fix the usbfs flag sanitization for control transfers
Input: elan_i2c - add ACPI ID for Lenovo IdeaPad 330-15IGM
sched/fair: Fix throttle_list starvation with low CFS quota
x86/percpu: Fix this_cpu_read()
cpuidle: Do not access cpuidle_devices when !CONFIG_CPU_IDLE
l2tp: hold tunnel socket when handling control frames in l2tp_ip and l2tp_ip6
x86/time: Correct the attribute on jiffies' definition
Linux 4.4.163
Change-Id: Idb0efd175853886145a1fb7eaaf18797c39e5f6f
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
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commit 9bd616e3dbedfc103f158197c8ad93678849b1ed upstream.
The cpuidle_devices per-CPU variable is only defined when CPU_IDLE is
enabled. Commit c8cc7d4de7a4 ("sched/idle: Reorganize the idle loop")
removed the #ifdef CONFIG_CPU_IDLE around cpuidle_idle_call() with the
compiler optimising away __this_cpu_read(cpuidle_devices). However, with
CONFIG_UBSAN && !CONFIG_CPU_IDLE, this optimisation no longer happens
and the kernel fails to link since cpuidle_devices is not defined.
This patch introduces an accessor function for the current CPU cpuidle
device (returning NULL when !CONFIG_CPU_IDLE) and uses it in
cpuidle_idle_call().
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Cc: 4.5+ <stable@vger.kernel.org> # 4.5+
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Cc: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit 1aacde3d22c42281236155c1ef6d7a5aa32a826b ]
Jann Horn reported following analysis that could potentially result
in a very hard to trigger (if not impossible) UAF race, to quote his
event timeline:
- Set up a process with threads T1, T2 and T3
- Let T1 set up a socket filter F1 that invokes another filter F2
through a BPF map [tail call]
- Let T1 trigger the socket filter via a unix domain socket write,
don't wait for completion
- Let T2 call PERF_EVENT_IOC_SET_BPF with F2, don't wait for completion
- Now T2 should be behind bpf_prog_get(), but before bpf_prog_put()
- Let T3 close the file descriptor for F2, dropping the reference
count of F2 to 2
- At this point, T1 should have looked up F2 from the map, but not
finished executing it
- Let T3 remove F2 from the BPF map, dropping the reference count of
F2 to 1
- Now T2 should call bpf_prog_put() (wrong BPF program type), dropping
the reference count of F2 to 0 and scheduling bpf_prog_free_deferred()
via schedule_work()
- At this point, the BPF program could be freed
- BPF execution is still running in a freed BPF program
While at PERF_EVENT_IOC_SET_BPF time it's only guaranteed that the perf
event fd we're doing the syscall on doesn't disappear from underneath us
for whole syscall time, it may not be the case for the bpf fd used as
an argument only after we did the put. It needs to be a valid fd pointing
to a BPF program at the time of the call to make the bpf_prog_get() and
while T2 gets preempted, F2 must have dropped reference to 1 on the other
CPU. The fput() from the close() in T3 should also add additionally delay
to the reference drop via exit_task_work() when bpf_prog_release() gets
called as well as scheduling bpf_prog_free_deferred().
That said, it makes nevertheless sense to move the BPF prog destruction
generally after RCU grace period to guarantee that such scenario above,
but also others as recently fixed in ceb56070359b ("bpf, perf: delay release
of BPF prog after grace period") with regards to tail calls won't happen.
Integrating bpf_prog_free_deferred() directly into the RCU callback is
not allowed since the invocation might happen from either softirq or
process context, so we're not permitted to block. Reviewing all bpf_prog_put()
invocations from eBPF side (note, cBPF -> eBPF progs don't use this for
their destruction) with call_rcu() look good to me.
Since we don't know whether at the time of attaching the program, we're
already part of a tail call map, we need to use RCU variant. However, due
to this, there won't be severely more stress on the RCU callback queue:
situations with above bpf_prog_get() and bpf_prog_put() combo in practice
normally won't lead to releases, but even if they would, enough effort/
cycles have to be put into loading a BPF program into the kernel already.
Reported-by: Jann Horn <jannh@google.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit f9279c968c257ee39b0d7bd2571a4d231a67bcc1 ]
The addition of the STARGET_REMOVE state had the side effect of
introducing a race condition that can cause a crash.
scsi_target_reap_ref_release() checks the starget->state to
see if it still in STARGET_CREATED, and if so, skips calling
transport_remove_device() and device_del(), because the starget->state
is only set to STARGET_RUNNING after scsi_target_add() has called
device_add() and transport_add_device().
However, if an rport loss occurs while a target is being scanned,
it can happen that scsi_remove_target() will be called while the
starget is still in the STARGET_CREATED state. In this case, the
starget->state will be set to STARGET_REMOVE, and as a result,
scsi_target_reap_ref_release() will take the wrong path. The end
result is a panic:
[ 1255.356653] Oops: 0000 [#1] SMP
[ 1255.360154] Modules linked in: x86_pkg_temp_thermal kvm_intel kvm irqbypass crc32c_intel ghash_clmulni_i
[ 1255.393234] CPU: 5 PID: 149 Comm: kworker/u96:4 Tainted: G W 4.11.0+ #8
[ 1255.401879] Hardware name: Dell Inc. PowerEdge R320/08VT7V, BIOS 2.0.22 11/19/2013
[ 1255.410327] Workqueue: scsi_wq_6 fc_scsi_scan_rport [scsi_transport_fc]
[ 1255.417720] task: ffff88060ca8c8c0 task.stack: ffffc900048a8000
[ 1255.424331] RIP: 0010:kernfs_find_ns+0x13/0xc0
[ 1255.429287] RSP: 0018:ffffc900048abbf0 EFLAGS: 00010246
[ 1255.435123] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[ 1255.443083] RDX: 0000000000000000 RSI: ffffffff8188d659 RDI: 0000000000000000
[ 1255.451043] RBP: ffffc900048abc10 R08: 0000000000000000 R09: 0000012433fe0025
[ 1255.459005] R10: 0000000025e5a4b5 R11: 0000000025e5a4b5 R12: ffffffff8188d659
[ 1255.466972] R13: 0000000000000000 R14: ffff8805f55e5088 R15: 0000000000000000
[ 1255.474931] FS: 0000000000000000(0000) GS:ffff880616b40000(0000) knlGS:0000000000000000
[ 1255.483959] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1255.490370] CR2: 0000000000000068 CR3: 0000000001c09000 CR4: 00000000000406e0
[ 1255.498332] Call Trace:
[ 1255.501058] kernfs_find_and_get_ns+0x31/0x60
[ 1255.505916] sysfs_unmerge_group+0x1d/0x60
[ 1255.510498] dpm_sysfs_remove+0x22/0x60
[ 1255.514783] device_del+0xf4/0x2e0
[ 1255.518577] ? device_remove_file+0x19/0x20
[ 1255.523241] attribute_container_class_device_del+0x1a/0x20
[ 1255.529457] transport_remove_classdev+0x4e/0x60
[ 1255.534607] ? transport_add_class_device+0x40/0x40
[ 1255.540046] attribute_container_device_trigger+0xb0/0xc0
[ 1255.546069] transport_remove_device+0x15/0x20
[ 1255.551025] scsi_target_reap_ref_release+0x25/0x40
[ 1255.556467] scsi_target_reap+0x2e/0x40
[ 1255.560744] __scsi_scan_target+0xaa/0x5b0
[ 1255.565312] scsi_scan_target+0xec/0x100
[ 1255.569689] fc_scsi_scan_rport+0xb1/0xc0 [scsi_transport_fc]
[ 1255.576099] process_one_work+0x14b/0x390
[ 1255.580569] worker_thread+0x4b/0x390
[ 1255.584651] kthread+0x109/0x140
[ 1255.588251] ? rescuer_thread+0x330/0x330
[ 1255.592730] ? kthread_park+0x60/0x60
[ 1255.596815] ret_from_fork+0x29/0x40
[ 1255.600801] Code: 24 08 48 83 42 40 01 5b 41 5c 5d c3 66 66 66 2e 0f 1f 84 00 00 00 00 00 66 66 66 66 90
[ 1255.621876] RIP: kernfs_find_ns+0x13/0xc0 RSP: ffffc900048abbf0
[ 1255.628479] CR2: 0000000000000068
[ 1255.632756] ---[ end trace 34a69ba0477d036f ]---
Fix this by adding another scsi_target state STARGET_CREATED_REMOVE
to distinguish this case.
Fixes: f05795d3d771 ("scsi: Add intermediate STARGET_REMOVE state to scsi_target_state")
Reported-by: David Jeffery <djeffery@redhat.com>
Signed-off-by: Ewan D. Milne <emilne@redhat.com>
Cc: <stable@vger.kernel.org>
Reviewed-by: Laurence Oberman <loberman@redhat.com>
Tested-by: Laurence Oberman <loberman@redhat.com>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 3cb9185c67304b2a7ea9be73e7d13df6fb2793a1 ]
radix_tree_iter_retry() resets slot to NULL, but it doesn't reset tags.
Then NULL slot and non-zero iter.tags passed to radix_tree_next_slot()
leading to crash:
RIP: radix_tree_next_slot include/linux/radix-tree.h:473
find_get_pages_tag+0x334/0x930 mm/filemap.c:1452
....
Call Trace:
pagevec_lookup_tag+0x3a/0x80 mm/swap.c:960
mpage_prepare_extent_to_map+0x321/0xa90 fs/ext4/inode.c:2516
ext4_writepages+0x10be/0x2b20 fs/ext4/inode.c:2736
do_writepages+0x97/0x100 mm/page-writeback.c:2364
__filemap_fdatawrite_range+0x248/0x2e0 mm/filemap.c:300
filemap_write_and_wait_range+0x121/0x1b0 mm/filemap.c:490
ext4_sync_file+0x34d/0xdb0 fs/ext4/fsync.c:115
vfs_fsync_range+0x10a/0x250 fs/sync.c:195
vfs_fsync fs/sync.c:209
do_fsync+0x42/0x70 fs/sync.c:219
SYSC_fdatasync fs/sync.c:232
SyS_fdatasync+0x19/0x20 fs/sync.c:230
entry_SYSCALL_64_fastpath+0x23/0xc1 arch/x86/entry/entry_64.S:207
We must reset iterator's tags to bail out from radix_tree_next_slot()
and go to the slow-path in radix_tree_next_chunk().
Fixes: 46437f9a554f ("radix-tree: fix race in gang lookup")
Link: http://lkml.kernel.org/r/1468495196-10604-1-git-send-email-aryabinin@virtuozzo.com
Signed-off-by: Andrey Ryabinin <aryabinin@virtuozzo.com>
Reported-by: Dmitry Vyukov <dvyukov@google.com>
Acked-by: Konstantin Khlebnikov <koct9i@gmail.com>
Cc: Matthew Wilcox <willy@linux.intel.com>
Cc: Hugh Dickins <hughd@google.com>
Cc: Ross Zwisler <ross.zwisler@linux.intel.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: Sasha Levin <sashal@kernel.org>
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[ Upstream commit c15c0ab12fd62f2b19181d05c62d24bc9fa55a42 ]
Pass the correct type __wsum to csum_sub() and csum_add(). This doesn't
really change anything since __wsum really *is* __be32, but removes the
address space warnings from sparse.
Cc: Eric Dumazet <edumazet@google.com>
Fixes: 34ae6a1aa054 ("ipv6: update skb->csum when CE mark is propagated")
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Acked-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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* origin/upstream-f2fs-stable-linux-4.4.y:
f2fs: guarantee journalled quota data by checkpoint
f2fs: cleanup dirty pages if recover failed
f2fs: fix data corruption issue with hardware encryption
f2fs: fix to recover inode->i_flags of inode block during POR
f2fs: spread f2fs_set_inode_flags()
f2fs: fix to spread clear_cold_data()
Revert "f2fs: fix to clear PG_checked flag in set_page_dirty()"
f2fs: account read IOs and use IO counts for is_idle
f2fs: fix to account IO correctly for cgroup writeback
f2fs: fix to account IO correctly
f2fs: remove request_list check in is_idle()
f2fs: allow to mount, if quota is failed
f2fs: update REQ_TIME in f2fs_cross_rename()
f2fs: do not update REQ_TIME in case of error conditions
f2fs: remove unneeded disable_nat_bits()
f2fs: remove unused sbi->trigger_ssr_threshold
f2fs: shrink sbi->sb_lock coverage in set_file_temperature()
f2fs: fix to recover cold bit of inode block during POR
f2fs: submit cached bio to avoid endless PageWriteback
f2fs: checkpoint disabling
f2fs: clear PageError on the read path
f2fs: allow out-place-update for direct IO in LFS mode
f2fs: refactor ->page_mkwrite() flow
Revert: "f2fs: check last page index in cached bio to decide submission"
f2fs: support superblock checksum
f2fs: add to account skip count of background GC
f2fs: add to account meta IO
f2fs: keep lazytime on remount
f2fs: fix missing up_read
f2fs: return correct errno in f2fs_gc
f2fs: avoid f2fs_bug_on if f2fs_get_meta_page_nofail got EIO
f2fs: mark inode dirty explicitly in recover_inode()
f2fs: fix to recover inode's crtime during POR
f2fs: fix to recover inode's i_gc_failures during POR
f2fs: fix to recover inode's i_flags during POR
f2fs: fix to recover inode's project id during POR
f2fs: update i_size after DIO completion
f2fs: report ENOENT correctly in f2fs_rename
f2fs: fix remount problem of option io_bits
f2fs: fix to recover inode's uid/gid during POR
f2fs: avoid infinite loop in f2fs_alloc_nid
f2fs: add new idle interval timing for discard and gc paths
f2fs: split IO error injection according to RW
f2fs: add SPDX license identifiers
f2fs: surround fault_injection related option parsing using CONFIG_F2FS_FAULT_INJECTION
f2fs: avoid sleeping under spin_lock
f2fs: plug readahead IO in readdir()
f2fs: fix to do sanity check with current segment number
f2fs: fix memory leak of percpu counter in fill_super()
f2fs: fix memory leak of write_io in fill_super()
f2fs: cache NULL when both default_acl and acl are NULL
f2fs: fix to flush all dirty inodes recovered in readonly fs
f2fs: report error if quota off error during umount
f2fs: submit bio after shutdown
f2fs: avoid wrong decrypted data from disk
Revert "f2fs: use printk_ratelimited for f2fs_msg"
f2fs: fix unnecessary periodic wakeup of discard thread when dev is busy
f2fs: fix to avoid NULL pointer dereference on se->discard_map
f2fs: add additional sanity check in f2fs_acl_from_disk()
Conflicts:
fs/f2fs/data.c
Change-Id: I95097a969bbd23c2009106b07be8a1eeec675b1c
Signed-off-by: Jaegeuk Kim <jaegeuk@google.com>
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For journalled quota mode, let checkpoint to flush dquot dirty data
and quota file data to guarntee persistence of all quota sysfile in
last checkpoint, by this way, we can avoid corrupting quota sysfile
when encountering SPO.
The implementation is as below:
1. add a global state SBI_QUOTA_NEED_FLUSH to indicate that there is
cached dquot metadata changes in quota subsystem, and later checkpoint
should:
a) flush dquot metadata into quota file.
b) flush quota file to storage to keep file usage be consistent.
2. add a global state SBI_QUOTA_NEED_REPAIR to indicate that quota
operation failed due to -EIO or -ENOSPC, so later,
a) checkpoint will skip syncing dquot metadata.
b) CP_QUOTA_NEED_FSCK_FLAG will be set in last cp pack to give a
hint for fsck repairing.
3. add a global state SBI_QUOTA_SKIP_FLUSH, in checkpoint, if quota
data updating is very heavy, it may cause hungtask in block_operation().
To avoid this, if our retry time exceed threshold, let's just skip
flushing and retry in next checkpoint().
Signed-off-by: Weichao Guo <guoweichao@huawei.com>
Signed-off-by: Chao Yu <yuchao0@huawei.com>
[Jaegeuk Kim: avoid warnings and set fsck flag]
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
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Note that, it requires "f2fs: return correct errno in f2fs_gc".
This adds a lightweight non-persistent snapshotting scheme to f2fs.
To use, mount with the option checkpoint=disable, and to return to
normal operation, remount with checkpoint=enable. If the filesystem
is shut down before remounting with checkpoint=enable, it will revert
back to its apparent state when it was first mounted with
checkpoint=disable. This is useful for situations where you wish to be
able to roll back the state of the disk in case of some critical
failure.
Signed-off-by: Daniel Rosenberg <drosen@google.com>
[Jaegeuk Kim: use SB_RDONLY instead of MS_RDONLY]
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
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Now we support crc32 checksum for superblock.
Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Junling Zheng <zhengjunling@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
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Remove the verbose license text from f2fs files and replace them with
SPDX tags. This does not change the license of any of the code.
Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
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This reverts commit e86420efb2dfeee0152e125765134d423759bd5a.
Bug: 116008047
Change-Id: I9d0a8357be1ab090a793646716771015299fb7fe
Signed-off-by: Alistair Strachan <astrachan@google.com>
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This is a different approach from the first attempt in f2c6df7dbf9a
("loop: support 4k physical blocksize"). Rather than extending
LOOP_{GET,SET}_STATUS, add a separate ioctl just for setting the block
size.
Bug: 117823094
Change-Id: I8e69b8839d7fee3be564cbfce1797ce108e1aa1e
Reviewed-by: Ming Lei <ming.lei@redhat.com>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Signed-off-by: Omar Sandoval <osandov@fb.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
(cherry picked from commit 89e4fdecb51cf5535867026274bc97de9480ade5)
Signed-off-by: Martijn Coenen <maco@android.com>
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In few scenarios, the request frame may get
delayed and current and request frame id may
become same. To handle such scenarios, made
changes to inform user to delay a frame and
process the request.
Change-Id: I31fa04c386922c48a043c511a163c76316e21987
Signed-off-by: Meera Gande <mgande@codeaurora.org>
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Update the logging mask for both events and F3 masks to the latest
requests.
Change-Id: I9485f18eca2ee0f78b5086e0332359d997acf57a
Signed-off-by: Manoj Prabhu B <bmanoj@codeaurora.org>
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Develop a mechanism to measure the latency of cross-vm scheduling.
It makes use of mpm_timer and leverage hab driver to record the time
when previous vm is scheduled out and when next vm is schduled in,
and pass these values to habtest to calculate the latency of schduling.
Change-Id: I0051d5a42979826b8e249ac704fcc7ed87d8d581
Signed-off-by: Chao Bi <chaobi@codeaurora.org>
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In current implementation, AV mute packet is sent after
disabling the encryption. This can cause artifacts on the
sink when re-authentication is going on.
Send the AV mute packet to the sink before disabling
encryption so that no visual artifacts are observed
during re-authentication.
Change-Id: Ifbe656691b3750a76fbd48a776ba660ebbe5f65a
Signed-off-by: Abhinav Kumar <abhinavk@codeaurora.org>
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* refs/heads/tmp-3eb8e73
Linux 4.4.162
HV: properly delay KVP packets when negotiation is in progress
Drivers: hv: kvp: fix IP Failover
Drivers: hv: util: Pass the channel information during the init call
Drivers: hv: utils: Invoke the poll function after handshake
usb: gadget: serial: fix oops when data rx'd after close
ARC: build: Get rid of toolchain check
powerpc/tm: Avoid possible userspace r1 corruption on reclaim
powerpc/tm: Fix userspace r13 corruption
net/mlx4: Use cpumask_available for eq->affinity_mask
Input: atakbd - fix Atari CapsLock behaviour
Input: atakbd - fix Atari keymap
clocksource/drivers/ti-32k: Add CLOCK_SOURCE_SUSPEND_NONSTOP flag for non-am43 SoCs
media: af9035: prevent buffer overflow on write
x86/fpu: Finish excising 'eagerfpu'
x86/fpu: Remove struct fpu::counter
x86/fpu: Remove use_eager_fpu()
KVM: x86: remove eager_fpu field of struct kvm_vcpu_arch
rtnl: limit IFLA_NUM_TX_QUEUES and IFLA_NUM_RX_QUEUES to 4096
net: systemport: Fix wake-up interrupt race during resume
net: mvpp2: Extract the correct ethtype from the skb for tx csum offload
team: Forbid enslaving team device to itself
qlcnic: fix Tx descriptor corruption on 82xx devices
net/usb: cancel pending work when unbinding smsc75xx
netlabel: check for IPV4MASK in addrinfo_get
net/ipv6: Display all addresses in output of /proc/net/if_inet6
net: ipv4: update fnhe_pmtu when first hop's MTU changes
ipv4: fix use-after-free in ip_cmsg_recv_dstaddr()
ip_tunnel: be careful when accessing the inner header
ip6_tunnel: be careful when accessing the inner header
bonding: avoid possible dead-lock
bnxt_en: Fix TX timeout during netpoll.
jffs2: return -ERANGE when xattr buffer is too small
xhci: Don't print a warning when setting link state for disabled ports
i2c: i2c-scmi: fix for i2c_smbus_write_block_data
perf script python: Fix export-to-postgresql.py occasional failure
mach64: detect the dot clock divider correctly on sparc
mm/vmstat.c: fix outdated vmstat_text
ext4: add corruption check in ext4_xattr_set_entry()
drm/amdgpu: Fix SDMA HQD destroy error on gfx_v7
ARM: dts: at91: add new compatibility string for macb on sama5d3
net: macb: disable scatter-gather for macb on sama5d3
stmmac: fix valid numbers of unicast filter entries
sound: enable interrupt after dma buffer initialization
mfd: omap-usb-host: Fix dts probe of children
selftests/efivarfs: add required kernel configs
ASoC: sigmadsp: safeload should not have lower byte limit
ASoC: wm8804: Add ACPI support
ANDROID: usb: gadget: f_mtp: Return error if count is negative
ANDROID: x86_64_cuttlefish_defconfig: disable CONFIG_MEMORY_STATE_TIME
Change-Id: Ie69fd3f90302d1ebe0c1217b46d8033fec4180a5
Signed-off-by: Srinivasarao P <spathi@codeaurora.org>
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Changes in 4.4.162
ASoC: wm8804: Add ACPI support
ASoC: sigmadsp: safeload should not have lower byte limit
selftests/efivarfs: add required kernel configs
mfd: omap-usb-host: Fix dts probe of children
sound: enable interrupt after dma buffer initialization
stmmac: fix valid numbers of unicast filter entries
net: macb: disable scatter-gather for macb on sama5d3
ARM: dts: at91: add new compatibility string for macb on sama5d3
drm/amdgpu: Fix SDMA HQD destroy error on gfx_v7
ext4: add corruption check in ext4_xattr_set_entry()
mm/vmstat.c: fix outdated vmstat_text
mach64: detect the dot clock divider correctly on sparc
perf script python: Fix export-to-postgresql.py occasional failure
i2c: i2c-scmi: fix for i2c_smbus_write_block_data
xhci: Don't print a warning when setting link state for disabled ports
jffs2: return -ERANGE when xattr buffer is too small
bnxt_en: Fix TX timeout during netpoll.
bonding: avoid possible dead-lock
ip6_tunnel: be careful when accessing the inner header
ip_tunnel: be careful when accessing the inner header
ipv4: fix use-after-free in ip_cmsg_recv_dstaddr()
net: ipv4: update fnhe_pmtu when first hop's MTU changes
net/ipv6: Display all addresses in output of /proc/net/if_inet6
netlabel: check for IPV4MASK in addrinfo_get
net/usb: cancel pending work when unbinding smsc75xx
qlcnic: fix Tx descriptor corruption on 82xx devices
team: Forbid enslaving team device to itself
net: mvpp2: Extract the correct ethtype from the skb for tx csum offload
net: systemport: Fix wake-up interrupt race during resume
rtnl: limit IFLA_NUM_TX_QUEUES and IFLA_NUM_RX_QUEUES to 4096
KVM: x86: remove eager_fpu field of struct kvm_vcpu_arch
x86/fpu: Remove use_eager_fpu()
x86/fpu: Remove struct fpu::counter
x86/fpu: Finish excising 'eagerfpu'
media: af9035: prevent buffer overflow on write
clocksource/drivers/ti-32k: Add CLOCK_SOURCE_SUSPEND_NONSTOP flag for non-am43 SoCs
Input: atakbd - fix Atari keymap
Input: atakbd - fix Atari CapsLock behaviour
net/mlx4: Use cpumask_available for eq->affinity_mask
powerpc/tm: Fix userspace r13 corruption
powerpc/tm: Avoid possible userspace r1 corruption on reclaim
ARC: build: Get rid of toolchain check
usb: gadget: serial: fix oops when data rx'd after close
Drivers: hv: utils: Invoke the poll function after handshake
Drivers: hv: util: Pass the channel information during the init call
Drivers: hv: kvp: fix IP Failover
HV: properly delay KVP packets when negotiation is in progress
Linux 4.4.162
Change-Id: Ib44f3b764a6005a2891b28315b3dbfa3f6cedcb5
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
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commit b9830d120cbe155863399f25eaef6aa8353e767f upstream.
Pass the channel information to the util drivers that need to defer
reading the channel while they are processing a request. This would address
the following issue reported by Vitaly:
Commit 3cace4a61610 ("Drivers: hv: utils: run polling callback always in
interrupt context") removed direct *_transaction.state = HVUTIL_READY
assignments from *_handle_handshake() functions introducing the following
race: if a userspace daemon connects before we get first non-negotiation
request from the server hv_poll_channel() won't set transaction state to
HVUTIL_READY as (!channel) condition will fail, we set it to non-NULL on
the first real request from the server.
Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Reported-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Signed-off-by: Dexuan Cui <decui@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit af7d6cce53694a88d6a1bb60c9a239a6a5144459 ]
Since commit 5aad1de5ea2c ("ipv4: use separate genid for next hop
exceptions"), exceptions get deprecated separately from cached
routes. In particular, administrative changes don't clear PMTU anymore.
As Stefano described in commit e9fa1495d738 ("ipv6: Reflect MTU changes
on PMTU of exceptions for MTU-less routes"), the PMTU discovered before
the local MTU change can become stale:
- if the local MTU is now lower than the PMTU, that PMTU is now
incorrect
- if the local MTU was the lowest value in the path, and is increased,
we might discover a higher PMTU
Similarly to what commit e9fa1495d738 did for IPv6, update PMTU in those
cases.
If the exception was locked, the discovered PMTU was smaller than the
minimal accepted PMTU. In that case, if the new local MTU is smaller
than the current PMTU, let PMTU discovery figure out if locking of the
exception is still needed.
To do this, we need to know the old link MTU in the NETDEV_CHANGEMTU
notifier. By the time the notifier is called, dev->mtu has been
changed. This patch adds the old MTU as additional information in the
notifier structure, and a new call_netdevice_notifiers_u32() function.
Fixes: 5aad1de5ea2c ("ipv4: use separate genid for next hop exceptions")
Signed-off-by: Sabrina Dubroca <sd@queasysnail.net>
Reviewed-by: Stefano Brivio <sbrivio@redhat.com>
Reviewed-by: David Ahern <dsahern@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit d4859d749aa7090ffb743d15648adb962a1baeae ]
Syzkaller reported this on a slightly older kernel but it's still
applicable to the current kernel -
======================================================
WARNING: possible circular locking dependency detected
4.18.0-next-20180823+ #46 Not tainted
------------------------------------------------------
syz-executor4/26841 is trying to acquire lock:
00000000dd41ef48 ((wq_completion)bond_dev->name){+.+.}, at: flush_workqueue+0x2db/0x1e10 kernel/workqueue.c:2652
but task is already holding lock:
00000000768ab431 (rtnl_mutex){+.+.}, at: rtnl_lock net/core/rtnetlink.c:77 [inline]
00000000768ab431 (rtnl_mutex){+.+.}, at: rtnetlink_rcv_msg+0x412/0xc30 net/core/rtnetlink.c:4708
which lock already depends on the new lock.
the existing dependency chain (in reverse order) is:
-> #2 (rtnl_mutex){+.+.}:
__mutex_lock_common kernel/locking/mutex.c:925 [inline]
__mutex_lock+0x171/0x1700 kernel/locking/mutex.c:1073
mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:1088
rtnl_lock+0x17/0x20 net/core/rtnetlink.c:77
bond_netdev_notify drivers/net/bonding/bond_main.c:1310 [inline]
bond_netdev_notify_work+0x44/0xd0 drivers/net/bonding/bond_main.c:1320
process_one_work+0xc73/0x1aa0 kernel/workqueue.c:2153
worker_thread+0x189/0x13c0 kernel/workqueue.c:2296
kthread+0x35a/0x420 kernel/kthread.c:246
ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:415
-> #1 ((work_completion)(&(&nnw->work)->work)){+.+.}:
process_one_work+0xc0b/0x1aa0 kernel/workqueue.c:2129
worker_thread+0x189/0x13c0 kernel/workqueue.c:2296
kthread+0x35a/0x420 kernel/kthread.c:246
ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:415
-> #0 ((wq_completion)bond_dev->name){+.+.}:
lock_acquire+0x1e4/0x4f0 kernel/locking/lockdep.c:3901
flush_workqueue+0x30a/0x1e10 kernel/workqueue.c:2655
drain_workqueue+0x2a9/0x640 kernel/workqueue.c:2820
destroy_workqueue+0xc6/0x9d0 kernel/workqueue.c:4155
__alloc_workqueue_key+0xef9/0x1190 kernel/workqueue.c:4138
bond_init+0x269/0x940 drivers/net/bonding/bond_main.c:4734
register_netdevice+0x337/0x1100 net/core/dev.c:8410
bond_newlink+0x49/0xa0 drivers/net/bonding/bond_netlink.c:453
rtnl_newlink+0xef4/0x1d50 net/core/rtnetlink.c:3099
rtnetlink_rcv_msg+0x46e/0xc30 net/core/rtnetlink.c:4711
netlink_rcv_skb+0x172/0x440 net/netlink/af_netlink.c:2454
rtnetlink_rcv+0x1c/0x20 net/core/rtnetlink.c:4729
netlink_unicast_kernel net/netlink/af_netlink.c:1317 [inline]
netlink_unicast+0x5a0/0x760 net/netlink/af_netlink.c:1343
netlink_sendmsg+0xa18/0xfc0 net/netlink/af_netlink.c:1908
sock_sendmsg_nosec net/socket.c:622 [inline]
sock_sendmsg+0xd5/0x120 net/socket.c:632
___sys_sendmsg+0x7fd/0x930 net/socket.c:2115
__sys_sendmsg+0x11d/0x290 net/socket.c:2153
__do_sys_sendmsg net/socket.c:2162 [inline]
__se_sys_sendmsg net/socket.c:2160 [inline]
__x64_sys_sendmsg+0x78/0xb0 net/socket.c:2160
do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290
entry_SYSCALL_64_after_hwframe+0x49/0xbe
other info that might help us debug this:
Chain exists of:
(wq_completion)bond_dev->name --> (work_completion)(&(&nnw->work)->work) --> rtnl_mutex
Possible unsafe locking scenario:
CPU0 CPU1
---- ----
lock(rtnl_mutex);
lock((work_completion)(&(&nnw->work)->work));
lock(rtnl_mutex);
lock((wq_completion)bond_dev->name);
*** DEADLOCK ***
1 lock held by syz-executor4/26841:
stack backtrace:
CPU: 1 PID: 26841 Comm: syz-executor4 Not tainted 4.18.0-next-20180823+ #46
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1c9/0x2b4 lib/dump_stack.c:113
print_circular_bug.isra.34.cold.55+0x1bd/0x27d kernel/locking/lockdep.c:1222
check_prev_add kernel/locking/lockdep.c:1862 [inline]
check_prevs_add kernel/locking/lockdep.c:1975 [inline]
validate_chain kernel/locking/lockdep.c:2416 [inline]
__lock_acquire+0x3449/0x5020 kernel/locking/lockdep.c:3412
lock_acquire+0x1e4/0x4f0 kernel/locking/lockdep.c:3901
flush_workqueue+0x30a/0x1e10 kernel/workqueue.c:2655
drain_workqueue+0x2a9/0x640 kernel/workqueue.c:2820
destroy_workqueue+0xc6/0x9d0 kernel/workqueue.c:4155
__alloc_workqueue_key+0xef9/0x1190 kernel/workqueue.c:4138
bond_init+0x269/0x940 drivers/net/bonding/bond_main.c:4734
register_netdevice+0x337/0x1100 net/core/dev.c:8410
bond_newlink+0x49/0xa0 drivers/net/bonding/bond_netlink.c:453
rtnl_newlink+0xef4/0x1d50 net/core/rtnetlink.c:3099
rtnetlink_rcv_msg+0x46e/0xc30 net/core/rtnetlink.c:4711
netlink_rcv_skb+0x172/0x440 net/netlink/af_netlink.c:2454
rtnetlink_rcv+0x1c/0x20 net/core/rtnetlink.c:4729
netlink_unicast_kernel net/netlink/af_netlink.c:1317 [inline]
netlink_unicast+0x5a0/0x760 net/netlink/af_netlink.c:1343
netlink_sendmsg+0xa18/0xfc0 net/netlink/af_netlink.c:1908
sock_sendmsg_nosec net/socket.c:622 [inline]
sock_sendmsg+0xd5/0x120 net/socket.c:632
___sys_sendmsg+0x7fd/0x930 net/socket.c:2115
__sys_sendmsg+0x11d/0x290 net/socket.c:2153
__do_sys_sendmsg net/socket.c:2162 [inline]
__se_sys_sendmsg net/socket.c:2160 [inline]
__x64_sys_sendmsg+0x78/0xb0 net/socket.c:2160
do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x457089
Code: fd b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007f2df20a5c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f2df20a66d4 RCX: 0000000000457089
RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003
RBP: 0000000000930140 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 00000000004d40b8 R14: 00000000004c8ad8 R15: 0000000000000001
Signed-off-by: Mahesh Bandewar <maheshb@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Check for q6 ep empty before issue
reset via uC.
Change-Id: I2101ed7485a5d688ec156fee4489c20fb8722ace
Signed-off-by: Mohammed Javid <mjavid@codeaurora.org>
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* refs/heads/tmp-8e7f196
Linux 4.4.161
ebtables: arpreply: Add the standard target sanity check
ath10k: fix scan crash due to incorrect length calculation
tcp: add tcp_ooo_try_coalesce() helper
tcp: call tcp_drop() from tcp_data_queue_ofo()
tcp: free batches of packets in tcp_prune_ofo_queue()
tcp: fix a stale ooo_last_skb after a replace
tcp: use an RB tree for ooo receive queue
tcp: increment sk_drops for dropped rx packets
ubifs: Check for name being NULL while mounting
ucma: fix a use-after-free in ucma_resolve_ip()
ARC: clone syscall to setp r25 as thread pointer
powerpc/fadump: Return error when fadump registration fails
ath10k: fix use-after-free in ath10k_wmi_cmd_send_nowait
cgroup: Fix deadlock in cpu hotplug path
ext4: always verify the magic number in xattr blocks
of: unittest: Disable interrupt node tests for old world MAC systems
USB: serial: simple: add Motorola Tetra MTP6550 id
xhci: Add missing CAS workaround for Intel Sunrise Point xHCI
dm cache: fix resize crash if user doesn't reload cache table
PM / core: Clear the direct_complete flag on errors
mac80211: fix setting IEEE80211_KEY_FLAG_RX_MGMT for AP mode keys
PCI: Reprogram bridge prefetch registers on resume
x86/vdso: Fix vDSO syscall fallback asm constraint regression
x86/vdso: Fix asm constraints on vDSO syscall fallbacks
fbdev/omapfb: fix omapfb_memory_read infoleak
mm/vmstat.c: skip NR_TLB_REMOTE_FLUSH* properly
Change-Id: If31f9e57679a3b1deb1049c86aeaead5ccbd64a6
Signed-off-by: Srinivasarao P <spathi@codeaurora.org>
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Changes in 4.4.161
mm/vmstat.c: skip NR_TLB_REMOTE_FLUSH* properly
fbdev/omapfb: fix omapfb_memory_read infoleak
x86/vdso: Fix asm constraints on vDSO syscall fallbacks
x86/vdso: Fix vDSO syscall fallback asm constraint regression
PCI: Reprogram bridge prefetch registers on resume
mac80211: fix setting IEEE80211_KEY_FLAG_RX_MGMT for AP mode keys
PM / core: Clear the direct_complete flag on errors
dm cache: fix resize crash if user doesn't reload cache table
xhci: Add missing CAS workaround for Intel Sunrise Point xHCI
USB: serial: simple: add Motorola Tetra MTP6550 id
of: unittest: Disable interrupt node tests for old world MAC systems
ext4: always verify the magic number in xattr blocks
cgroup: Fix deadlock in cpu hotplug path
ath10k: fix use-after-free in ath10k_wmi_cmd_send_nowait
powerpc/fadump: Return error when fadump registration fails
ARC: clone syscall to setp r25 as thread pointer
ucma: fix a use-after-free in ucma_resolve_ip()
ubifs: Check for name being NULL while mounting
tcp: increment sk_drops for dropped rx packets
tcp: use an RB tree for ooo receive queue
tcp: fix a stale ooo_last_skb after a replace
tcp: free batches of packets in tcp_prune_ofo_queue()
tcp: call tcp_drop() from tcp_data_queue_ofo()
tcp: add tcp_ooo_try_coalesce() helper
ath10k: fix scan crash due to incorrect length calculation
ebtables: arpreply: Add the standard target sanity check
Linux 4.4.161
Change-Id: I4c6607d0be0977857f966b048279590470c854c2
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
|