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Modify each function that checks the contents of a metadata buffer to
return the instruction address of the failing test so that we can report
more precise failure errors to the log.
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
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Since all verification errors also mark the buffer as having an error,
we can combine these two calls. Later we'll add a xfs_failaddr_t
parameter to promote the idea of reporting corruption errors and the
address of the failing check to enable better debugging reports.
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
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Since __xfs_dir3_data_check verifies on-disk metadata, we can't have it
noisily blowing asserts and hanging the system on corrupt data coming in
off the disk. Instead, have it return a boolean like all the other
checker functions, and only have it noisily fail if we fail in debug
mode.
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
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Now that we have xfs_verify_agbno, use it to verify short form btree
pointers instead of open-coding them.
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
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Create two helper functions to verify the headers of a long format
btree block. We'll use this later for the realtime rmapbt.
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
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We already have a function to verify fsb pointers, so get rid of the
last users of the (less robust) macro.
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
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In xfs_scrub_get_inode, we don't do a good enough job distinguishing
EINVAL returns from xfs_iget w/ IGET_UNTRUSTED -- this can happen if the
passed in inode number is invalid (past eofs, inobt says it isn't an
inode) or if the inum is actually valid but the inode buffer fails
verifier. In the first case we still want to return ENOENT, but in the
second case we want to capture the corruption error.
Therefore, if xfs_iget returns EINVAL, try the raw imap lookup. If that
succeeds, we conclude it's a corruption error, otherwise we just bounce
out to userspace.
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
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Always allocate a transaction for inode scrubbing, even if the _iget
fails. This is something that is nice to have now for consistency with
the other scrubbers but will become critical when we get to online
repair where we'll actually use the transaction + raw buffer read to fix
the verifier errors.
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
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Refactor xfs_scrub_bmap to use for_each_xfs_iext now that it exists.
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
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The superblock validation routines return a variety of error codes to
reject a mount request. For scrub we can assume that the mount
succeeded, so if we see these things appear when scrubbing secondary sb
X, we can treat them all like corruption.
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
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In xfs_scrub_ag_read_headers, if we're not scrubbing the AGFL but
hit a read error reading the AGFL, we should reset the error code
so that it doesn't propagate up into the caller.
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
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If two programs simultaneously try to write to the same part of a file
via direct IO and buffered IO, there's a chance that the post-diowrite
pagecache invalidation will fail on the dirty page. When this happens,
the dio write succeeded, which means that the page cache is no longer
coherent with the disk!
Programs are not supposed to mix IO types and this is a clear case of
data corruption, so store an EIO which will be reflected to userspace
during the next fsync. Replace the WARN_ON with a ratelimited pr_crit
so that the developers have /some/ kind of breadcrumb to track down the
offending program(s) and file(s) involved.
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Liu Bo <bo.li.liu@oracle.com>
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The create transaction reservation calculation has two different
branches of code depending on whether the filesystem is a v5 format
fs or older. Each branch considers the max reservation between the
allocation case (new chunk allocation + record insert) and the
modify case (chunk exists, record modification) of inode allocation.
The modify case is the same for both superblock versions with the
exception of the finobt. The finobt helper checks the feature bit,
however, and so the modify case already shares the same code.
Now that inode chunk allocation has been refactored into a helper
that checks the superblock version to calculate the appropriate
reservation for the create transaction, the only remaining
difference between the create and icreate branches is the call to
the finobt helper. As noted above, the finobt helper is a no-op when
the feature is not enabled. Therefore, these branches are
effectively duplicate and can be condensed.
Remove the xfs_calc_create_*() branch of functions and update the
various callers to use the xfs_calc_icreate_*() variant. The latter
creates the same reservation size for v4 create transactions as the
removed branch. As such, this patch does not result in transaction
reservation changes.
Signed-off-by: Brian Foster <bfoster@redhat.com>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
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The reservation for the various forms of inode allocation is
scattered across several different functions. This includes two
variants of chunk allocation (v5 icreate transactions vs. older
create transactions) and the inode free transaction.
To clean up some of this code and clarify the purpose of specific
allocfree reservations, continue the pattern of defining helper
functions for smaller operational units of broader transactions.
Refactor the reservation into an inode chunk alloc/free helper that
considers the various conditions based on filesystem format.
An inode chunk free involves an extent free and buffer
invalidations. The latter requires reservation for log headers only.
An inode chunk allocation modifies the free space btrees and logs
the chunk on v4 supers. v5 supers initialize the inode chunk using
ordered buffers and so do not log the chunk.
As a side effect of this refactoring, add one more allocfree res to
the ifree transaction. Technically this does not serve a specific
purpose because inode chunks are freed via deferred operations and
thus occur after a transaction roll. tr_ifree has a bit of a history
of tx overruns caused by too many agfl fixups during sustained file
deletion workloads, so add this extra reservation as a form of
padding nonetheless.
Signed-off-by: Brian Foster <bfoster@redhat.com>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
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Analysis of recent reports of log reservation overruns and code
inspection has uncovered that the reservations associated with inode
operations may not cover the worst case scenarios. In particular,
many cases only include one allocfree res. for a particular
operation even though said operations may also entail AGFL fixups
and inode btree block allocations in addition to the actual inode
chunk allocation. This can easily turn into two or three block
allocations (or frees) per operation.
In theory, the only way to define the worst case reservation is to
include an allocfree res for each individual allocation in a
transaction. Since that is impractical (we can perform multiple agfl
fixups per tx and not every allocation results in a full tree
operation), we need to find a reasonable compromise that addresses
the deficiency in practice without blowing out the size of the
transactions.
Since the inode btrees are not filled by the AGFL, record insertion
and removal can directly result in block allocations and frees
depending on the shape of the tree. These allocations and frees
occur in the same transaction context as the inobt update itself,
but are separate from the allocation/free that might be required for
an inode chunk. Therefore, it makes sense to assume that an [f]inobt
insert/remove can directly result in one or more block allocations
on behalf of the tree.
Refactor the inode transaction reservations to include one allocfree
res. per inode btree modification to cover allocations required by
the tree itself. This separates the reservation required to allocate
the inode chunk from the reservation required for inobt record
insertion/removal. Apply the same logic to the finobt. This results
in killing off the finobt modify condition because we no longer
assume that the broader transaction reservation will cover finobt
block allocations and finobt shape changes can occur in either of
the inobt allocation or modify situations.
Suggested-by: Dave Chinner <david@fromorbit.com>
Signed-off-by: Brian Foster <bfoster@redhat.com>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
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The truncate transaction does not ever modify the inode btree, but
includes an associated log reservation. Update
xfs_calc_itruncate_reservation() to remove the reservation
associated with inobt updates.
Signed-off-by: Brian Foster <bfoster@redhat.com>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
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The current AGI unlinked list addition and removal reservations do
not reflect the worst case log usage. An unlinked list removal can
log up to two on-disk inode clusters but only includes reservation
for one. An unlinked list addition logs the on-disk cluster but
includes reservation for an in-core inode.
Update the AGI unlinked list reservation helpers to calculate the
correct worst case reservation for the associated operations.
Signed-off-by: Brian Foster <bfoster@redhat.com>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
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The tr_ifree transaction handles inode unlinks and inode chunk
frees. The current transaction calculation does not accurately
reflect worst case changes to the inode btree, however. The inobt
portion of the current transaction reservation only covers
modification of a single inobt buffer (for the particular inode
record). This is a historical artifact from the days before XFS
supported full inode chunk removal.
When support for inode chunk removal was added in commit
254f6311ed1b ("Implement deletion of inode clusters in XFS."), the
additional log reservation required for chunk removal was not added
correctly. The new reservation only considered the header overhead
of associated buffers rather than the full contents of the btrees
and AGF and AGFL buffers affected by the transaction. The
reservation for the free space btrees was subsequently fixed up in
commit 5fe6abb82f76 ("Add space for inode and allocation btrees to
ITRUNCATE log reservation"), but the res. for full inobt joins has
never been added.
Further review of the ifree reservation uncovered a couple more
problems:
- The undocumented +2 blocks are intended for the AGF and AGFL, but
are also not sized correctly and should be logged as full sectors
(not FSBs).
- The additional single block header is undocumented and serves no
apparent purpose.
Update xfs_calc_ifree_reservation() to include a full inobt join in
the reservation calculation. Refactor the undocumented blocks
appropriately and fix up the comments to reflect the current
calculation.
Signed-off-by: Brian Foster <bfoster@redhat.com>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
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The transaction dump code displays the content and reservation
consumption of a particular transaction in the event of an overrun.
It currently displays the reservation associated with the
transaction ticket, but not the original reservation attached to the
transaction.
The latter value reflects the original transaction reservation
calculation before additional reservation overhead is assigned, such
as for the CIL context header and potential split region headers.
Update xlog_print_trans() to also print the original transaction
reservation in the event of overrun. This provides a reference point
to identify how much reservation overhead was added to a particular
ticket by xfs_log_calc_unit_res().
Signed-off-by: Brian Foster <bfoster@redhat.com>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
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Check that the nanosecond fields in each timestamp aren't larger
than a billion.
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
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There were ad-hoc checks for some scrub types but not others;
mark each scrub type with ... it's type, and use that to validate
the allowed and/or required input fields.
Moving these checks out of xfs_scrub_setup_ag_header makes it
a thin wrapper, so unwrap it in the process.
Signed-off-by: Eric Sandeen <sandeen@redhat.com>
[darrick: add xfs_ prefix to enum, check scrub args after checking type]
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
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Do this before adding more core checks.
Signed-off-by: Eric Sandeen <sandeen@redhat.com>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
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An implicit mapping to type by order of initialization seems
error-prone, and doesn't lend itself to cscope-ing.
Also add sanity checks about size of array vs. max types,
and a defensive check that ->scrub exists before using it.
Signed-off-by: Eric Sandeen <sandeen@redhat.com>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
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- Reports realtime device free blocks in statfs calls if (realtime)
inheritance bit is set on the inode of directory, or realtime flag
in the case of files. This is a bit more intuitive, especially for
use-cases which are using a much larger device for the realtime device.
- Add XFS_IS_REALTIME_MOUNT option to gate based on the existence of a
realtime device on the mount, similar to the XFS_IS_REALTIME_INODE
option.
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Richard Wareing <rwareing@fb.com>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux
Pull parisc fixes from Helge Deller:
- Many small fixes to show the real physical addresses of devices
instead of hashed addresses.
- One important fix to unbreak 32-bit SMP support: We forgot to 16-byte
align the spinlocks in the assembler code.
- Qemu support: The host will get a chance to sleep when the parisc
guest is idle. We use the same mechanism as the power architecture by
overlaying the "or %r10,%r10,%r10" instruction which is simply a nop
on real hardware.
* 'parisc-4.15-3' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux:
parisc: qemu idle sleep support
parisc: Fix alignment of pa_tlb_lock in assembly on 32-bit SMP kernel
parisc: Show unhashed EISA EEPROM address
parisc: Show unhashed HPA of Dino chip
parisc: Show initial kernel memory layout unhashed
parisc: Show unhashed hardware inventory
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git://git.kernel.org/pub/scm/linux/kernel/git/jj/linux-apparmor
Pull apparmor fix from John Johansen:
"This fixes a regression when the kernel feature set is reported as
supporting mount and policy is pinned to a feature set that does not
support mount mediation"
* tag 'apparmor-pr-2018-01-07' of git://git.kernel.org/pub/scm/linux/kernel/git/jj/linux-apparmor:
apparmor: fix regression in mount mediation when feature set is pinned
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git://git.kernel.org/pub/scm/linux/kernel/git/j.anaszewski/linux-leds
Pull LED fix from Jacek Anaszewski:
"The commit 2b83ff96f51d for 4.15-rc6, which was fixing LED brightness
setting after clearing delay_off broke the behavior on any alteration
of delay_on{off} properties, due to use of a LED core helper that does
too much for this particular case"
* tag 'led_fixes_for_4.15-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/j.anaszewski/linux-leds:
leds: core: Fix regression caused by commit 2b83ff96f51d
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Pull MTD bugfix from Richard Weinberger:
"A single fix for the pxa3xx NAND driver"
* tag 'for-linus-20180107' of git://git.infradead.org/linux-mtd:
mtd: nand: pxa3xx: Fix READOOB implementation
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Commit 2b83ff96f51d ("led: core: Fix brightness setting when setting delay_off=0")
replaced del_timer_sync(&led_cdev->blink_timer) with led_stop_software_blink()
in led_blink_set(), which additionally clears LED_BLINK_SW flag as well as
zeroes blink_delay_on and blink_delay_off properties of the struct led_classdev.
Cleansing of the latter ones wasn't required to fix the original issue but
wasn't considered harmful. It nonetheless turned out to be so in case when
pointer to one or both props is passed to led_blink_set() like in the
ledtrig-timer.c. In such cases zeroes are passed later in delay_on and/or
delay_off arguments to led_blink_setup(), which results either in stopping
the software blinking or setting blinking frequency always to 1Hz.
Avoid using led_stop_software_blink() and add a single call required
to clear LED_BLINK_SW flag, which was the only needed modification to
fix the original issue.
Fixes 2b83ff96f51d ("led: core: Fix brightness setting when setting delay_off=0")
Signed-off-by: Jacek Anaszewski <jacek.anaszewski@gmail.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull vfs fixes from Al Viro:
- untangle sys_close() abuses in xt_bpf
- deal with register_shrinker() failures in sget()
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
fix "netfilter: xt_bpf: Fix XT_BPF_MODE_FD_PINNED mode of 'xt_bpf_info_v1'"
sget(): handle failures of register_shrinker()
mm,vmscan: Make unregister_shrinker() no-op if register_shrinker() failed.
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Pull KVM fixes from Radim Krčmář:
"s390:
- Two fixes for potential bitmap overruns in the cmma migration code
x86:
- Clear guest provided GPRs to defeat the Project Zero PoC for CVE
2017-5715"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
kvm: vmx: Scrub hardware GPRs at VM-exit
KVM: s390: prevent buffer overrun on memory hotplug during migration
KVM: s390: fix cmma migration for multiple memory slots
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In the current driver, OOB bytes are accessed in raw mode, and when a
page access is done with NDCR_SPARE_EN set and NDCR_ECC_EN cleared, the
driver must read the whole spare area (64 bytes in case of a 2k page,
16 bytes for a 512 page). The driver was only reading the free OOB
bytes, which was leaving some unread data in the FIFO and was somehow
leading to a timeout.
We could patch the driver to read ->spare_size + ->ecc_size instead of
just ->spare_size when READOOB is requested, but we'd better make
in-band and OOB accesses consistent.
Since the driver is always accessing in-band data in non-raw mode (with
the ECC engine enabled), we should also access OOB data in this mode.
That's particularly useful when using the BCH engine because in this
mode the free OOB bytes are also ECC protected.
Fixes: 43bcfd2bb24a ("mtd: nand: pxa3xx: Add driver-specific ECC BCH support")
Cc: stable@vger.kernel.org
Reported-by: Sean Nyekjær <sean.nyekjaer@prevas.dk>
Tested-by: Willy Tarreau <w@1wt.eu>
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Acked-by: Ezequiel Garcia <ezequiel@vanguardiasur.com.ar>
Tested-by: Sean Nyekjaer <sean.nyekjaer@prevas.dk>
Acked-by: Robert Jarzmik <robert.jarzmik@free.fr>
Signed-off-by: Richard Weinberger <richard@nod.at>
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git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
Pull powerpc fix from Michael Ellerman:
"Just one fix to correctly return SEGV_ACCERR when we take a SEGV on a
mapped region. The bug was introduced in the refactoring of the page
fault handler we did in the previous release.
Thanks to John Sperbeck"
* tag 'powerpc-4.15-6' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
powerpc/mm: Fix SEGV on mapped region to return SEGV_ACCERR
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git://git.kernel.org/pub/scm/linux/kernel/git/kvms390/linux
KVM: s390: fixes for cmma migration
Two fixes for potential bitmap overruns in the cmma migration
code.
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Add qemu idle sleep support when running under qemu with SeaBIOS PDC
firmware.
Like the power architecture we use the "or" assembler instructions,
which translate to nops on real hardware, to indicate that qemu shall
idle sleep.
Signed-off-by: Helge Deller <deller@gmx.de>
Cc: Richard Henderson <rth@twiddle.net>
CC: stable@vger.kernel.org # v4.9+
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git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull input fixes from Dmitry Torokhov:
"Just a few driver fixups, nothing exciting"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
Input: xen-kbdfront - do not advertise multi-touch pressure support
Input: hideep - fix compile error due to missing include file
Input: elants_i2c - do not clobber interrupt trigger on x86
Input: joystick/analog - riscv has get_cycles()
Input: elantech - add new icbody type 15
Input: ims-pcu - fix typo in the error message
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Pull IOMMU fixes from Alex Williamson:
"Fixes via Will Deacon for arm-smmu-v3.
- Fix duplicate Stream ID handling in arm-smmu-v3
- Fix arm-smmu-v3 page table ops double free"
* tag 'iommu-v4.15-rc7' of git://github.com/awilliam/linux-vfio:
iommu/arm-smmu-v3: Cope with duplicated Stream IDs
iommu/arm-smmu-v3: Don't free page table ops twice
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git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc
Pull ARC fixes from Vineet Gupta:
- platform updates for setting up clock correctly
- fixes to accomodate newer gcc (__builtin_trap, removed inline asm
modifier)
- other fixes
* tag 'arc-4.15-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc:
ARC: handle gcc generated __builtin_trap for older compiler
ARC: handle gcc generated __builtin_trap()
ARC: uaccess: dont use "l" gcc inline asm constraint modifier
ARC: [plat-axs103] refactor the quad core DT quirk code
ARC: [plat-axs103]: Set initial core pll output frequency
ARC: [plat-hsdk]: Get rid of core pll frequency set in platform code
ARC: [plat-hsdk]: Set initial core pll output frequency
ARC: [plat-hsdk] Switch DisplayLink driver from fbdev to DRM
arc: do not use __print_symbol()
ARC: Fix detection of dual-issue enabled
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When the mount code was refactored for Labels it was not correctly
updated to check whether policy supported mediation of the mount
class. This causes a regression when the kernel feature set is
reported as supporting mount and policy is pinned to a feature set
that does not support mount mediation.
BugLink: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=882697#41
Fixes: 2ea3ffb7782a ("apparmor: add mount mediation")
Reported-by: Fabian Grünbichler <f.gruenbichler@proxmox.com>
Cc: Stable <stable@vger.kernel.org>
Signed-off-by: John Johansen <john.johansen@canonical.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux
Pull btrfs fixes from David Sterba:
"We have two more fixes for 4.15, both aimed for stable.
The leak fix is obvious, the second patch fixes a bug revealed by the
refcount API, when it behaves differently than previous atomic_t and
reports refs going from 0 to 1 in one case"
* tag 'for-4.15-rc7-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux:
btrfs: fix refcount_t usage when deleting btrfs_delayed_nodes
btrfs: Fix flush bio leak
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Pull XFS fixes from Darrick Wong:
"I have just a few fixes for bugs and resource cleanup problems this
week:
- Fix resource cleanup of failed quota initialization
- Fix integer overflow problems wrt s_maxbytes"
* tag 'xfs-4.15-fixes-10' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux:
xfs: fix s_maxbytes overflow problems
xfs: quota: check result of register_shrinker()
xfs: quota: fix missed destroy of qi_tree_lock
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git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd
Pull MFD fix from Lee Jones:
"Late bugfix to plug a leak in rtsx_pcr"
* tag 'mfd-fixes-4.15-1' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd:
mfd: rtsx: Release IRQ during shutdown
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull more x86 pti fixes from Thomas Gleixner:
"Another small stash of fixes for fallout from the PTI work:
- Fix the modules vs. KASAN breakage which was caused by making
MODULES_END depend of the fixmap size. That was done when the cpu
entry area moved into the fixmap, but now that we have a separate
map space for that this is causing more issues than it solves.
- Use the proper cache flush methods for the debugstore buffers as
they are mapped/unmapped during runtime and not statically mapped
at boot time like the rest of the cpu entry area.
- Make the map layout of the cpu_entry_area consistent for 4 and 5
level paging and fix the KASLR vaddr_end wreckage.
- Use PER_CPU_EXPORT for per cpu variable and while at it unbreak
nvidia gfx drivers by dropping the GPL export. The subject line of
the commit tells it the other way around, but I noticed that too
late.
- Fix the ASM alternative macros so they can be used in the middle of
an inline asm block.
- Rename the BUG_CPU_INSECURE flag to BUG_CPU_MELTDOWN so the attack
vector is properly identified. The Spectre mitigations will come
with their own bug bits later"
* 'x86-pti-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/pti: Rename BUG_CPU_INSECURE to BUG_CPU_MELTDOWN
x86/alternatives: Add missing '\n' at end of ALTERNATIVE inline asm
x86/tlb: Drop the _GPL from the cpu_tlbstate export
x86/events/intel/ds: Use the proper cache flush method for mapping ds buffers
x86/kaslr: Fix the vaddr_end mess
x86/mm: Map cpu_entry_area at the same place on 4/5 level
x86/mm: Set MODULES_END to 0xffffffffff000000
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull EFI updates from Thomas Gleixner:
- A fix for a add_efi_memmap parameter regression which ensures that
the parameter is parsed before it is used.
- Reinstate the virtual capsule mapping as the cached copy turned out
to break Quark and other things
- Remove Matt Fleming as EFI co-maintainer. He stepped back a few days
ago. Thanks Matt for all your great work!
* 'efi-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
MAINTAINERS: Remove Matt Fleming as EFI co-maintainer
efi/capsule-loader: Reinstate virtual capsule mapping
x86/efi: Fix kernel param add_efi_memmap regression
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git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Pull s390 fixes from Martin Schwidefsky:
"Four bug fixes"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
s390/dasd: fix wrongly assigned configuration data
s390: fix preemption race in disable_sacf_uaccess
s390/sclp: disable FORTIFY_SOURCE for early sclp code
s390/pci: handle insufficient resources during dma tlb flush
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git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip
Pull xen fix from Juergen Gross:
"One minor fix adjusting the kmalloc flags in the new pvcalls driver
added in rc1"
* tag 'for-linus-4.15-rc7-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
xen/pvcalls: use GFP_ATOMIC under spin lock
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git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
Pull crypto fixes from Herbert Xu:
"This fixes the following issues:
- racy use of ctx->rcvused in af_alg
- algif_aead crash in chacha20poly1305
- freeing bogus pointer in pcrypt
- build error on MIPS in mpi
- memory leak in inside-secure
- memory overwrite in inside-secure
- NULL pointer dereference in inside-secure
- state corruption in inside-secure
- build error without CRYPTO_GF128MUL in chelsio
- use after free in n2"
* 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6:
crypto: inside-secure - do not use areq->result for partial results
crypto: inside-secure - fix request allocations in invalidation path
crypto: inside-secure - free requests even if their handling failed
crypto: inside-secure - per request invalidation
lib/mpi: Fix umul_ppmm() for MIPS64r6
crypto: pcrypt - fix freeing pcrypt instances
crypto: n2 - cure use after free
crypto: af_alg - Fix race around ctx->rcvused by making it atomic_t
crypto: chacha20poly1305 - validate the digest size
crypto: chelsio - select CRYPTO_GF128MUL
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Merge misc fixes from Andrew Morton:
"9 fixes"
* emailed patches from Andrew Morton <akpm@linux-foundation.org>:
mailmap: update Mark Yao's email address
userfaultfd: clear the vma->vm_userfaultfd_ctx if UFFD_EVENT_FORK fails
mm/sparse.c: wrong allocation for mem_section
mm/zsmalloc.c: include fs.h
mm/debug.c: provide useful debugging information for VM_BUG
kernel/exit.c: export abort() to modules
mm/mprotect: add a cond_resched() inside change_pmd_range()
kernel/acct.c: fix the acct->needcheck check in check_free_space()
mm: check pfn_valid first in zero_resv_unavail
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Descriptor table is a shared object; it's not a place where you can
stick temporary references to files, especially when we don't need
an opened file at all.
Cc: stable@vger.kernel.org # v4.14
Fixes: 98589a0998b8 ("netfilter: xt_bpf: Fix XT_BPF_MODE_FD_PINNED mode of 'xt_bpf_info_v1'")
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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