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Merge tag 'media/v5.0-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
Pull media fixes from Mauro Carvalho Chehab:
- a regression fix at v4l2 core, with affects multi-plane streams
- a fix at vim2m driver
* tag 'media/v5.0-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media:
media: vim2m: only cancel work if it is for right context
media: v4l: ioctl: Validate num_planes for debug messages
media: v4l: ioctl: Validate num_planes before using it
media: v4l2-ioctl: Clear only per-plane reserved fields
- Fix reattach implementation in the Designware driver
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Merge tag 'i3c/fixes-for-5.0-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/i3c/linux
Pull i3c fixes from Boris Brezillon:
- Fix the error check on master->sysclk val in the Cadence driver
- Fix reattach implementation in the Designware driver
* tag 'i3c/fixes-for-5.0-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/i3c/linux:
i3c: master: dw-i3c-master: fix i3c_attach/reattach
i3c: master: Fix an error checking typo in 'cdns_i3c_master_probe()'
- jz4740: fix a compilation warning
- fsmc: fix a regression introduced by ->select_chip() deprecation
- denali: fix a regression introduced by NAND_KEEP_TIMINGS addition
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Merge tag 'mtd/fixes-for-5.0-rc3' of git://git.infradead.org/linux-mtd
Pull mtd fixes from Boris Brezillon:
"Raw NAND changes:
- jz4740: fix a compilation warning
- fsmc: fix a regression introduced by ->select_chip() deprecation
- denali: fix a regression introduced by NAND_KEEP_TIMINGS addition"
* tag 'mtd/fixes-for-5.0-rc3' of git://git.infradead.org/linux-mtd:
mtd: rawnand: denali: get ->setup_data_interface() working again
mtd: nand: jz4740: fix '__iomem *' vs. '* __iomem'
mtd: rawnand: fsmc: Keep bank enable bit set
The cleanups for the way we handle type information introduced during
the merge window revealed that we'd been abusing the irq APIs for a long
time, causing breakage for systems. This pull request has a couple of
minimal fixes for that which restore the previous behaviour for the time
being, we'll fix it properly for v5.1 but that'd be a bit much to do as
a bug fix.
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Merge tag 'regmap-fix-v5.0-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap
Pull regmap fixes from Mark Brown:
"The cleanups for the way we handle type information introduced during
the merge window revealed that we'd been abusing the irq APIs for a
long time, causing breakage for systems.
This has a couple of minimal fixes for that which restore the previous
behaviour for the time being, we'll fix it properly for v5.1 but
that'd be a bit much to do as a bug fix"
* tag 'regmap-fix-v5.0-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap:
regmap-irq: do not write mask register if mask_base is zero
regmap: regmap-irq: silently ignore unsupported type settings
A couple of weeks of fixes.
There's one fix for an oops on Power9 machines with Open CAPI adapters.
And a fix for probable memory corruption in some of the new NPU code, caught by
smatch though and not seen in the wild.
Plus a few other minor fixes.
There's one non-fix which is the perf_regs change. That was sent during the
merge window but I accidentally only merged the first of two patches in the
series. It's been in linux-next so hopefully doesn't conflict with anything in
acme's tree.
Thanks to:
Alexey Kardashevskiy, Andrew Donnellan, Breno Leitao, Christian Lamparter,
Christophe Leroy, Dan Carpenter, Frederic Barrat, Greg Kurz, Jason A.
Donenfeld, Madhavan Srinivasan.
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Merge tag 'powerpc-5.0-3' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
Pull powerpc fixes from Michael Ellerman:
"A couple of weeks of fixes.
There's one fix for an oops on Power9 machines with Open CAPI
adapters.
And a fix for probable memory corruption in some of the new NPU code,
caught by smatch though and not seen in the wild.
Plus a few other minor fixes.
There's one non-fix which is the perf_regs change. That was sent
during the merge window but I accidentally only merged the first of
two patches in the series. It's been in linux-next so hopefully
doesn't conflict with anything in acme's tree.
Thanks to: Alexey Kardashevskiy, Andrew Donnellan, Breno Leitao,
Christian Lamparter, Christophe Leroy, Dan Carpenter, Frederic Barrat,
Greg Kurz, Jason A. Donenfeld, Madhavan Srinivasan"
* tag 'powerpc-5.0-3' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
powerpc/syscalls: Fix syscall tracing
powerpc/pseries: Fix build break due to pnv_npu2_init()
powerpc/4xx/ocm: Fix fix for phys_addr_t printf warnings
powerpc/powernv/npu: Fix oops in pnv_try_setup_npu_table_group()
powerpc/tm: Limit TM code inside PPC_TRANSACTIONAL_MEM
powerpc/8xx: fix setting of pagetable for Abatron BDI debug tool.
powerpc/powernv/npu: Allocate enough memory in pnv_try_setup_npu_table_group()
powerpc/perf: Update perf_regs structure to include MMCRA
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Merge tag 'for-linus-5.0-rc3-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip
Pull xen fixes from Juergen Gross:
- Several fixes for the Xen pvcalls drivers (1 fix for the backend and
8 for the frontend).
- A fix for a rather longstanding bug in the Xen sched_clock()
interface which led to weird time jumps when migrating the system.
- A fix for avoiding accesses to x2apic MSRs in Xen PV guests.
* tag 'for-linus-5.0-rc3-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
xen: Fix x86 sched_clock() interface for xen
pvcalls-front: fix potential null dereference
always clear the X2APIC_ENABLE bit for PV guest
pvcalls-front: Avoid get_free_pages(GFP_KERNEL) under spinlock
xen/pvcalls: remove set but not used variable 'intf'
pvcalls-back: set -ENOTCONN in pvcalls_conn_back_read
pvcalls-front: don't return error when the ring is full
pvcalls-front: properly allocate sk
pvcalls-front: don't try to free unallocated rings
pvcalls-front: read all data before closing the connection
Pull crypto fixes from Herbert Xu:
"This fixes the following issues:
- Zero-length DMA mapping in caam
- Invalidly mapping stack memory for DMA in talitos
- Use after free in cavium/nitrox
- Key parsing in authenc
- Undefined shift in sm3
- Bogus completion call in authencesn
- SHA support detection in caam"
* 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6:
crypto: sm3 - fix undefined shift by >= width of value
crypto: talitos - fix ablkcipher for CONFIG_VMAP_STACK
crypto: talitos - reorder code in talitos_edesc_alloc()
crypto: adiantum - initialize crypto_spawn::inst
crypto: cavium/nitrox - Use after free in process_response_list()
crypto: authencesn - Avoid twice completion call in decrypt path
crypto: caam - fix SHA support detection
crypto: caam - fix zero-length buffer DMA mapping
crypto: ccree - convert to use crypto_authenc_extractkeys()
crypto: bcm - convert to use crypto_authenc_extractkeys()
crypto: authenc - fix parsing key with misaligned rta_len
- Restore the ACPI initialization ordering changed implicitly by the
module-level AML handling rework during the 4.17 development cycle
that caused the EC address space handler based on information from
ECDT to be set up before loading AML definition blocks, making it
effectively not accessible by AML on some systems that don't work
as expected any more (Rafael Wysocki).
- Add direct dependencies on PCI to Kconfig in multiple places for
code that depends on both ACPI and PCI, but the PCI dependency
was implicitly satisfied by the ACPI dependency before, to prevent
invalid configurations from being created, for example by
randconfig (Sinan Kaya).
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Merge tag 'acpi-5.0-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI fixes from Rafael Wysocki:
"These fix an ACPI initialization ordering issue introduced in the 4.17
time frame and causing functional problems to appear on multiple
systems and fix some fallout of the recent change to enable building
kernels with ACPI support and without PCI.
Specifics:
- Restore the ACPI initialization ordering changed implicitly by the
module-level AML handling rework during the 4.17 development cycle
that caused the EC address space handler based on information from
ECDT to be set up before loading AML definition blocks, making it
effectively not accessible by AML on some systems that don't work
as expected any more (Rafael Wysocki).
- Add direct dependencies on PCI to Kconfig in multiple places for
code that depends on both ACPI and PCI, but the PCI dependency was
implicitly satisfied by the ACPI dependency before, to prevent
invalid configurations from being created, for example by
randconfig (Sinan Kaya)"
* tag 'acpi-5.0-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
ACPI: EC: Look for ECDT EC after calling acpi_load_tables()
drivers: thermal: int340x_thermal: Make PCI dependency explicit
x86/intel/lpss: Make PCI dependency explicit
platform/x86: apple-gmux: Make PCI dependency explicit
platform/x86: intel_pmc: Make PCI dependency explicit
platform/x86: intel_ips: make PCI dependency explicit
vga-switcheroo: make PCI dependency explicit
ata: pata_acpi: Make PCI dependency explicit
ACPI / LPSS: Make PCI dependency explicit
The function jz_nand_ioremap_resource() needs a pointer to an __iomem
pointer as its last argument but this argument is declared as:
void * __iomem *base
Fix this by using the correct declaration:
void __iomem **base
which then also removes the following Sparse's warnings:
282:15: warning: incorrect type in assignment (different address spaces)
282:15: expected void *[noderef] <asn:2>
282:15: got void [noderef] <asn:2> *
322:57: warning: incorrect type in argument 4 (different address spaces)
322:57: expected void *[noderef] <asn:2> *base
322:57: got void [noderef] <asn:2> **
402:67: warning: incorrect type in argument 4 (different address spaces)
402:67: expected void *[noderef] <asn:2> *base
402:67: got void [noderef] <asn:2> **
Signed-off-by: Luc Van Oostenryck <luc.vanoostenryck@gmail.com>
Acked-by: Miquel Raynal <miquel.raynal@bootlin.com>
Signed-off-by: Boris Brezillon <bbrezillon@kernel.org>
Not much so far, but I'm feeling like the 2nd PR -rc will be larger than
this. We have the usual batch of bugs and two fixes to code merged this cycle.
- Restore valgrind support for the ioctl verbs interface merged this window,
and fix a missed error code on an error path from that conversion
- A user reported crash on obsolete mthca hardware
- pvrdma was using the wrong command opcode toward the hypervisor
- NULL pointer crash regression when dumping rdma-cm over netlink
- Be conservative about exposing the global rkey
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma
Pull rdma fixes frfom Jason Gunthorpe:
"Not much so far. We have the usual batch of bugs and two fixes to code
merged this cycle:
- Restore valgrind support for the ioctl verbs interface merged this
window, and fix a missed error code on an error path from that
conversion
- A user reported crash on obsolete mthca hardware
- pvrdma was using the wrong command opcode toward the hypervisor
- NULL pointer crash regression when dumping rdma-cm over netlink
- Be conservative about exposing the global rkey"
* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma:
RDMA/uverbs: Mark ioctl responses with UVERBS_ATTR_F_VALID_OUTPUT
RDMA/mthca: Clear QP objects during their allocation
RDMA/vmw_pvrdma: Return the correct opcode when creating WR
RDMA/cma: Add cm_id restrack resource based on kernel or user cm_id type
RDMA/nldev: Don't expose unsafe global rkey to regular user
RDMA/uverbs: Fix post send success return value in case of error
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Merge tag 'drm-fixes-2019-01-18' of git://anongit.freedesktop.org/drm/drm
Pull drm fixes from Dave Airlie:
"The rc3 fixes are a bit scattered:
- meson, sun4i and rockchip all had missing of_node_put.
- qxl and virtio both were advertising dma-buf to userspace when they
really shouldn't have.
Otherwise:
meson:
- modesetting regression fix
i915 GVT:
- one cmd parser failure fix
- region cleanup fix in vGPU destroy
amdgpu:
- KFD fixes for arm64 mixed APU/DGPU
- vega12 powerplay fix
- raven DC fixes
- freesync fix"
* tag 'drm-fixes-2019-01-18' of git://anongit.freedesktop.org/drm/drm:
drm/amd/display: Detach backlight from stream
drm/sun4i: backend: add missing of_node_puts
Revert "drm/amdgpu: validate user pitch alignment"
Revert "drm/amdgpu: validate user GEM object size"
drm/meson: Fix atomic mode switching regression
drm/i915/gvt: Fix mmap range check
drm/i915/gvt: free VFIO region space in vgpu detach
drm/amd/display: Fix disabled cursor on top screen edge
drm/amd/display: fix warning on raven hotplug
drm/amd/display: fix PME notification not working in RV desktop
drm/amd/display: Only get the connector state for VRR when toggled
drm/amd/display: Pack DMCU iRAM alignment
drm/amd/powerplay: run acg btc for Vega12
drm/amdkfd: Don't assign dGPUs to APU topology devices
drm/amdkfd: Allow building KFD on ARM64 (v2)
drm/meson: add missing of_node_put
drm/virtio: drop prime import/export callbacks
drm/qxl: drop prime import/export callbacks
drm/i915/gvt: Allow F_CMD_ACCESS on mmio 0x21f0
drm/rockchip: add missing of_node_put
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Merge tag 'led-fix-for-5.0-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/j.anaszewski/linux-leds
Pull LED fix from Jacek Anaszewski.
* tag 'led-fix-for-5.0-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/j.anaszewski/linux-leds:
leds: lp5523: fix a missing check of return value of lp55xx_read
Minor fixes/regressions.
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Merge tag 'hwmon-for-v5.0-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging
Pull hwmon fixes from Guenter Roeck:
"Minor fixes/regressions"
* tag 'hwmon-for-v5.0-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging:
hwmon: (tmp421) Correct the misspelling of the tmp442 compatible attribute in OF device ID table
hwmon: (occ) Fix potential integer overflow
hwmon: (lm80) Fix missing unlock on error in set_fan_div()
hwmon: (nct6775) Enable IO mapping for NCT6797D and NCT6798D
hwmon: (nct6775) Fix chip ID for NCT6798D
Remove the imprecise and sloppy:
"This files is licensed under the GPL."
license notice in the top level comment.
1) The file already contains a SPDX license identifier which clearly
states that the license of the file is GPL V2 only
2) The notice resolves to GPL v1 or later for scanners which is just
contrary to the intent of SPDX identifiers to provide clear and non
ambiguous license information. Aside of that the value add of this
notice is below zero,
Cc: Damien Le Moal <damien.lemoal@wdc.com>
Cc: Matias Bjorling <mb@lightnvm.io>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Jens Axboe <axboe@kernel.dk>
Cc: linux-block@vger.kernel.org
Fixes: 6a5ac98465 ("block: Make struct request_queue smaller for CONFIG_BLK_DEV_ZONED=n")
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Would usually do this split-out, verifying each component indivitually, but
this has been squashed together to be more palatable for merging in 5.0-rc.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
- Add missing calls to of_node_put to sun4i, meson, and rockchip.
- Drop unimplemented prime callbacks in virtio and qxl, so support
for prime is not advertised on those drivers.
- Fix mode switching regression in meson.
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Merge tag 'drm-misc-fixes-2019-01-17' of git://anongit.freedesktop.org/drm/drm-misc into drm-fixes
drm-misc-fixes for v5.0-rc3:
- Add missing calls to of_node_put to sun4i, meson, and rockchip.
- Drop unimplemented prime callbacks in virtio and qxl, so support
for prime is not advertised on those drivers.
- Fix mode switching regression in meson.
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/9af07312-f435-2fda-65a2-9fe92cdf5da4@linux.intel.com
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Merge tag 'drm-intel-fixes-2019-01-17' of git://anongit.freedesktop.org/drm/drm-intel into drm-fixes
drm/i915/gvt fixes for v5.0-rc3
"This contains one cmd parser failure fix to allow cmd access for one
register, and fix region cleanup properly in vGPU destroy, and another
fix for critical mmap size check mistake."
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/87ef9bfusc.fsf@intel.com
When lp55xx_read() fails, "status" is an uninitialized variable and thus
may contain random value; using it leads to undefined behaviors.
The fix inserts a check for the return value of lp55xx_read: if it
fails, returns with its error code.
Signed-off-by: Kangjie Lu <kjlu@umn.edu>
Signed-off-by: Jacek Anaszewski <jacek.anaszewski@gmail.com>
Correct a typo in OF device ID table
The last one should be 'ti,tmp442'
Signed-off-by: Cheng-Min Ao <tony_ao@wiwynn.com>
Signed-off-by: Yu-Hsiang Chen <matt_chen@wiwynn.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Merge tag 'afs-fixes-20190117' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs
Pull AFS fixes from David Howells:
"Here's a set of fixes for AFS:
- Use struct_size() for kzalloc() size calculation.
- When calling YFS.CreateFile rather than AFS.CreateFile, it is
possible to create a file with a file lock already held. The
default value indicating no lock required is actually -1, not 0.
- Fix an oops in inode/vnode validation if the target inode doesn't
have a server interest assigned (ie. a server that will notify us
of changes by third parties).
- Fix refcounting of keys in file locking.
- Fix a race in refcounting asynchronous operations in the event of
an error during request transmission. The provision of a dedicated
function to get an extra ref on a call is split into a separate
commit"
* tag 'afs-fixes-20190117' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs:
afs: Fix race in async call refcounting
afs: Provide a function to get a ref on a call
afs: Fix key refcounting in file locking code
afs: Don't set vnode->cb_s_break in afs_validate()
afs: Set correct lock type for the yfs CreateFile
afs: Use struct_size() in kzalloc()
Pull swiotlb fix from Konrad Rzeszutek Wilk:
"A tiny fix for v5.0-rc2:
This fixes an issue with GPU cards not working anymore with the DMA
mapping work Christopher did - as the SWIOTLB is initialized first and
then free'd (as IOMMU is available) but we forgot to clear our start
and end entries which are used and BOOM"
* 'stable/for-linus-5.0' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/swiotlb:
swiotlb: clear io_tlb_start and io_tlb_end in swiotlb_exit
There's a race between afs_make_call() and afs_wake_up_async_call() in the
case that an error is returned from rxrpc_kernel_send_data() after it has
queued the final packet.
afs_make_call() will try and clean up the mess, but the call state may have
been moved on thereby causing afs_process_async_call() to also try and to
delete the call.
Fix this by:
(1) Getting an extra ref for an asynchronous call for the call itself to
hold. This makes sure the call doesn't evaporate on us accidentally
and will allow the call to be retained by the caller in a future
patch. The ref is released on leaving afs_make_call() or
afs_wait_for_call_to_complete().
(2) In the event of an error from rxrpc_kernel_send_data():
(a) Don't set the call state to AFS_CALL_COMPLETE until *after* the
call has been aborted and ended. This prevents
afs_deliver_to_call() from doing anything with any notifications
it gets.
(b) Explicitly end the call immediately to prevent further callbacks.
(c) Cancel any queued async_work and wait for the work if it's
executing. This allows us to be sure the race won't recur when we
change the state. We put the work queue's ref on the call if we
managed to cancel it.
(d) Put the call's ref that we got in (1). This belongs to us as long
as the call is in state AFS_CALL_CL_REQUESTING.
Fixes: 341f741f04 ("afs: Refcount the afs_call struct")
Signed-off-by: David Howells <dhowells@redhat.com>
Fix the refcounting of the authentication keys in the file locking code.
The vnode->lock_key member points to a key on which it expects to be
holding a ref, but it isn't always given an extra ref, however.
Fixes: 0fafdc9f88 ("afs: Fix file locking")
Signed-off-by: David Howells <dhowells@redhat.com>
A cb_interest record is not necessarily attached to the vnode on entry to
afs_validate(), which can cause an oops when we try to bring the vnode's
cb_s_break up to date in the default case (ie. no current callback promise
and the vnode has not been deleted).
Fix this by simply removing the line, as vnode->cb_s_break will be set when
needed by afs_register_server_cb_interest() when we next get a callback
promise from RPC call.
The oops looks something like:
BUG: unable to handle kernel NULL pointer dereference at 0000000000000018
...
RIP: 0010:afs_validate+0x66/0x250 [kafs]
...
Call Trace:
afs_d_revalidate+0x8d/0x340 [kafs]
? __d_lookup+0x61/0x150
lookup_dcache+0x44/0x70
? lookup_dcache+0x44/0x70
__lookup_hash+0x24/0xa0
do_unlinkat+0x11d/0x2c0
__x64_sys_unlink+0x23/0x30
do_syscall_64+0x4d/0xf0
entry_SYSCALL_64_after_hwframe+0x44/0xa9
Fixes: ae3b7361dc ("afs: Fix validation/callback interaction")
Signed-off-by: Marc Dionne <marc.dionne@auristor.com>
Signed-off-by: David Howells <dhowells@redhat.com>
The disable_acs_redir parameter stores a pointer to the string passed to
pci_setup(). However, the string passed to PCI setup is actually a
temporary copy allocated in static __initdata memory. After init, once the
memory is freed, it is no longer valid to reference this pointer.
This bug was noticed in v5.0-rc1 after a change in commit c5eb119007
("PCI / PM: Allow runtime PM without callback functions") caused
pci_disable_acs_redir() to be called during shutdown which manifested
as an unable to handle kernel paging request at:
RIP: 0010:pci_enable_acs+0x3f/0x1e0
Call Trace:
pci_restore_state.part.44+0x159/0x3c0
pci_restore_standard_config+0x33/0x40
pci_pm_runtime_resume+0x2b/0xd0
? pci_restore_standard_config+0x40/0x40
__rpm_callback+0xbc/0x1b0
rpm_callback+0x1f/0x70
? pci_restore_standard_config+0x40/0x40
rpm_resume+0x4f9/0x710
? pci_conf1_read+0xb6/0xf0
? pci_conf1_write+0xb2/0xe0
__pm_runtime_resume+0x47/0x70
pci_device_shutdown+0x1e/0x60
device_shutdown+0x14a/0x1f0
kernel_restart+0xe/0x50
__do_sys_reboot+0x1ee/0x210
? __fput+0x144/0x1d0
do_writev+0x5e/0xf0
? do_writev+0x5e/0xf0
do_syscall_64+0x48/0xf0
entry_SYSCALL_64_after_hwframe+0x44/0xa9
It was also likely possible to trigger this bug when hotplugging PCI
devices.
To fix this, instead of storing a pointer, we use kstrdup() to copy the
disable_acs_redir_param to its own buffer which will never be freed.
Fixes: aaca43fda7 ("PCI: Add "pci=disable_acs_redir=" parameter for peer-to-peer support")
Tested-by: Jarkko Nikula <jarkko.nikula@linux.intel.com>
Signed-off-by: Logan Gunthorpe <logang@deltatee.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Jarkko Nikula <jarkko.nikula@linux.intel.com>
Commit c3ff2a5193 ("powerpc/32: add stack protector support")
caused kernel panic on PowerPC when an external module is used with
CONFIG_STACKPROTECTOR because the 'prepare' target was not executed
for the external module build.
Commit e07db28eea ("kbuild: fix single target build for external
module") turned it into a build error because the 'prepare' target is
now executed but the 'prepare0' target is missing for the external
module build.
External module on arm/arm64 with CONFIG_STACKPROTECTOR_PER_TASK is
also broken in the same way.
Move 'PHONY += prepare0' to the common place. GNU Make is fine with
missing rule for phony targets. I also removed the comment which is
wrong irrespective of this commit.
I minimize the change so it can be easily backported to 4.20.x
To fix v4.20, please backport e07db28eea ("kbuild: fix single target
build for external module"), and then this commit.
Link: https://bugzilla.kernel.org/show_bug.cgi?id=201891
Fixes: e07db28eea ("kbuild: fix single target build for external module")
Fixes: c3ff2a5193 ("powerpc/32: add stack protector support")
Fixes: 189af46571 ("ARM: smp: add support for per-task stack canaries")
Fixes: 0a1213fa74 ("arm64: enable per-task stack canaries")
Cc: linux-stable <stable@vger.kernel.org> # v4.20
Reported-by: Samuel Holland <samuel@sholland.org>
Reported-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Acked-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Tested-by: Alexey Kardashevskiy <aik@ozlabs.ru>
- LDFLAGS_vmlinux is cleared by the top Makefile
- 'all: vmlinux' is specified by the top Makefile
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
- scripts/Kbuild.include already defined 'comma'
- The top Makefile has 'PHONY += FORCE'
- include/asm-*/ was moved to arch/*/include/asm/ a decade ago
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Pull security subsystem fixes from James Morris:
"Fixes for the security subsystem.
The first (by Casey actually - it's misattributed) fixes a regression
introduced with the LSM stacking changes"
* 'fixes-v5.0-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security:
LSM: Check for NULL cred-security on free
Yama: Check for pid death before checking ancestry
seccomp: fix UAF in user-trap code
From: Casey Schaufler <casey@schaufler-ca.com>
Check that the cred security blob has been set before trying
to clean it up. There is a case during credential initialization
that could result in this.
Signed-off-by: Casey Schaufler <casey@schaufler-ca.com>
Acked-by: John Johansen <john.johansen@canonical.com>
Signed-off-by: James Morris <james.morris@microsoft.com>
Reported-by: syzbot+69ca07954461f189e808@syzkaller.appspotmail.com
[Why]
Backlight is conceptually a property of links, not streams.
All backlight programming is done on links, but there is a
stream property bl_pwm_level that is used to restore backlight
on dpms on and s3 resume. This is unnecessary, as backlight
is already restored by hardware with no driver intervention.
[How]
Remove bl_pwm_level, and the stream argument to set_backlight
Bug: https://bugs.freedesktop.org/show_bug.cgi?id=109375
Signed-off-by: David Francis <David.Francis@amd.com>
Reviewed-by: Harry Wentland <Harry.Wentland@amd.com>
Acked-by: Anthony Koo <Anthony.Koo@amd.com>
Acked-by: Leo Li <sunpeng.li@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit 923fe49512)
It's possible that a pid has died before we take the rcu lock, in which
case we can't walk the ancestry list as it may be detached. Instead, check
for death first before doing the walk.
Reported-by: syzbot+a9ac39bf55329e206219@syzkaller.appspotmail.com
Fixes: 2d514487fa ("security: Yama LSM")
Cc: stable@vger.kernel.org
Suggested-by: Oleg Nesterov <oleg@redhat.com>
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: James Morris <james.morris@microsoft.com>
As reported, the SPDX license id is not placed correctly and the variant
of the BSD License used should be specified.
Fixes: c16292578f ("dt-bindings: reset: Add bindings for the Meson-AXG SoC Reset Controller")
Reported-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Rob Herring <robh@kernel.org>
The cp110-system-controller0.txt file was renamed to
cp110-system-controller.txt.
Fixes: 4aa5496980 ("dt-bindings: cp110: rename cp110 syscon file")
Signed-off-by: Otto Sabart <ottosabart@seberm.com>
Signed-off-by: Rob Herring <robh@kernel.org>
Add an of_node_put when the result of of_graph_get_remote_port_parent is
not available.
The semantic match that finds this problem is as follows
(http://coccinelle.lip6.fr):
// <smpl>
@r exists@
local idexpression e;
expression x;
@@
e = of_graph_get_remote_port_parent(...);
... when != x = e
when != true e == NULL
when != of_node_put(e)
when != of_fwnode_handle(e)
(
return e;
|
*return ...;
)
// </smpl>
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Cc: stable@vger.kernel.org
Signed-off-by: Rob Herring <robh@kernel.org>
Commit f94c8d1169 ("sched/clock, x86/tsc: Rework the x86 'unstable'
sched_clock() interface") broke Xen guest time handling across
migration:
[ 187.249951] Freezing user space processes ... (elapsed 0.001 seconds) done.
[ 187.251137] OOM killer disabled.
[ 187.251137] Freezing remaining freezable tasks ... (elapsed 0.001 seconds) done.
[ 187.252299] suspending xenstore...
[ 187.266987] xen:grant_table: Grant tables using version 1 layout
[18446743811.706476] OOM killer enabled.
[18446743811.706478] Restarting tasks ... done.
[18446743811.720505] Setting capacity to 16777216
Fix that by setting xen_sched_clock_offset at resume time to ensure a
monotonic clock value.
[boris: replaced pr_info() with pr_info_once() in xen_callback_vector()
to avoid printing with incorrect timestamp during resume (as we
haven't re-adjusted the clock yet)]
Fixes: f94c8d1169 ("sched/clock, x86/tsc: Rework the x86 'unstable' sched_clock() interface")
Cc: <stable@vger.kernel.org> # 4.11
Reported-by: Hans van Kranenburg <hans.van.kranenburg@mendix.com>
Signed-off-by: Juergen Gross <jgross@suse.com>
Tested-by: Hans van Kranenburg <hans.van.kranenburg@mendix.com>
Signed-off-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
When -ENOSPC is returned from pci_alloc_irq_vectors_affinity(),
we still try to allocate multiple irq vectors again, so irq queues
covers the admin queue actually. But we don't consider that, then
number of the allocated irq vector may be same with sum of
io_queues[HCTX_TYPE_DEFAULT] and io_queues[HCTX_TYPE_READ], this way
is obviously wrong, and finally breaks nvme_pci_map_queues(), and
warning from pci_irq_get_affinity() is triggered.
IRQ queues should cover admin queues, this patch makes this
point explicitely in nvme_calc_io_queues().
We got severl boot failure internal report on aarch64, so please
consider to fix it in v4.20.
Fixes: 6451fe73fa ("nvme: fix irq vs io_queue calculations")
Signed-off-by: Ming Lei <ming.lei@redhat.com>
Reviewed-by: Keith Busch <keith.busch@intel.com>
Tested-by: fin4478 <fin4478@hotmail.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
