Commit Graph

1013453 Commits

Author SHA1 Message Date
Yang Yingliang
59a61e69c4 i3c: master: svc: drop free_irq of devm_request_irq allocated irq
irq allocated with devm_request_irq() will be freed in devm_irq_release(),
using free_irq() in ->remove() will causes a dangling pointer, and a
subsequent double free. So remove the free_irq() in svc_i3c_master_remove().

Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Reviewed-by: Miquel Raynal <miquel.raynal@bootlin.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Link: https://lore.kernel.org/r/20210602084935.3977636-1-yangyingliang@huawei.com
2021-06-09 02:02:22 +02:00
Linus Torvalds
6efb943b86 Linux 5.13-rc1 2021-05-09 14:17:44 -07:00
Linus Torvalds
6dae40aed4 fbmem: fix horribly incorrect placement of __maybe_unused
Commit b9d79e4ca4 ("fbmem: Mark proc_fb_seq_ops as __maybe_unused")
places the '__maybe_unused' in an entirely incorrect location between
the "struct" keyword and the structure name.

It's a wonder that gcc accepts that silently, but clang quite reasonably
warns about it:

    drivers/video/fbdev/core/fbmem.c:736:21: warning: attribute declaration must precede definition [-Wignored-attributes]
    static const struct __maybe_unused seq_operations proc_fb_seq_ops = {
                        ^

Fix it.

Cc: Guenter Roeck <linux@roeck-us.net>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2021-05-09 14:03:33 -07:00
Linus Torvalds
efc58a96ad drm fixes for 5.13-rc1
amdgpu:
 - MPO hang workaround
 - Fix for concurrent VM flushes on vega/navi
 - dcefclk is not adjustable on navi1x and newer
 - MST HPD debugfs fix
 - Suspend/resumes fixes
 - Register VGA clients late in case driver fails to load
 - Fix GEM leak in user framebuffer create
 - Add support for polaris12 with 32 bit memory interface
 - Fix duplicate cursor issue when using overlay
 - Fix corruption with tiled surfaces on VCN3
 - Add BO size and stride check to fix BO size verification
 
 radeon:
 - Fix off-by-one in power state parsing
 - Fix possible memory leak in power state parsing
 
 msm:
 - NULL ptr dereference fix
 
 fbdev:
 - procfs disabled warning fix
 
 i915:
 - gvt: Fix a possible division by zero in vgpu display rate calculation
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Merge tag 'drm-next-2021-05-10' of git://anongit.freedesktop.org/drm/drm

Pull drm fixes from Dave Airlie:
 "Bit later than usual, I queued them all up on Friday then promptly
  forgot to write the pull request email. This is mainly amdgpu fixes,
  with some radeon/msm/fbdev and one i915 gvt fix thrown in.

  amdgpu:
   - MPO hang workaround
   - Fix for concurrent VM flushes on vega/navi
   - dcefclk is not adjustable on navi1x and newer
   - MST HPD debugfs fix
   - Suspend/resumes fixes
   - Register VGA clients late in case driver fails to load
   - Fix GEM leak in user framebuffer create
   - Add support for polaris12 with 32 bit memory interface
   - Fix duplicate cursor issue when using overlay
   - Fix corruption with tiled surfaces on VCN3
   - Add BO size and stride check to fix BO size verification

  radeon:
   - Fix off-by-one in power state parsing
   - Fix possible memory leak in power state parsing

  msm:
   - NULL ptr dereference fix

  fbdev:
   - procfs disabled warning fix

  i915:
   - gvt: Fix a possible division by zero in vgpu display rate
     calculation"

* tag 'drm-next-2021-05-10' of git://anongit.freedesktop.org/drm/drm:
  drm/amdgpu: Use device specific BO size & stride check.
  drm/amdgpu: Init GFX10_ADDR_CONFIG for VCN v3 in DPG mode.
  drm/amd/pm: initialize variable
  drm/radeon: Avoid power table parsing memory leaks
  drm/radeon: Fix off-by-one power_state index heap overwrite
  drm/amd/display: Fix two cursor duplication when using overlay
  drm/amdgpu: add new MC firmware for Polaris12 32bit ASIC
  fbmem: Mark proc_fb_seq_ops as __maybe_unused
  drm/msm/dpu: Delete bonkers code
  drm/i915/gvt: Prevent divided by zero when calculating refresh rate
  amdgpu: fix GEM obj leak in amdgpu_display_user_framebuffer_create
  drm/amdgpu: Register VGA clients after init can no longer fail
  drm/amdgpu: Handling of amdgpu_device_resume return value for graceful teardown
  drm/amdgpu: fix r initial values
  drm/amd/display: fix wrong statement in mst hpd debugfs
  amdgpu/pm: set pp_dpm_dcefclk to readonly on NAVI10 and newer gpus
  amdgpu/pm: Prevent force of DCEFCLK on NAVI10 and SIENNA_CICHLID
  drm/amdgpu: fix concurrent VM flushes on Vega/Navi v2
  drm/amd/display: Reject non-zero src_y and src_x for video planes
2021-05-09 13:42:39 -07:00
Linus Torvalds
506c30790f block-5.13-2021-05-09
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Merge tag 'block-5.13-2021-05-09' of git://git.kernel.dk/linux-block

Pull block fix from Jens Axboe:
 "Turns out the bio max size change still has issues, so let's get it
  reverted for 5.13-rc1. We'll shake out the issues there and defer it
  to 5.14 instead"

* tag 'block-5.13-2021-05-09' of git://git.kernel.dk/linux-block:
  Revert "bio: limit bio max size"
2021-05-09 13:25:14 -07:00
Linus Torvalds
0a55a1fbed 3 small SMB3 chmultichannel related changesets (also for stable)
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Merge tag '5.13-rc-smb3-part3' of git://git.samba.org/sfrench/cifs-2.6

Pull cifs fixes from Steve French:
 "Three small SMB3 chmultichannel related changesets (also for stable)
  from the SMB3 test event this week.

  The other fixes are still in review/testing"

* tag '5.13-rc-smb3-part3' of git://git.samba.org/sfrench/cifs-2.6:
  smb3: if max_channels set to more than one channel request multichannel
  smb3: do not attempt multichannel to server which does not support it
  smb3: when mounting with multichannel include it in requested capabilities
2021-05-09 13:19:29 -07:00
Linus Torvalds
9819f682e4 A set of scheduler updates:
- Prevent PSI state corruption when schedule() races with cgroup move.  A
    recent commit combined two PSI callbacks to reduce the number of cgroup
    tree updates, but missed that schedule() can drop rq::lock for load
    balancing, which opens the race window for cgroup_move_task() which then
    observes half updated state. The fix is to solely use task::ps_flags
    instead of looking at the potentially mismatching scheduler state
 
  - Prevent an out-of-bounds access in uclamp caused bu a rounding division
    which can lead to an off-by-one error exceeding the buckets array size.
 
  - Prevent unfairness caused by missing load decay when a task is attached
    to a cfs runqueue. The old load of the task is attached to the runqueue
    and never removed. Fix it by enforcing the load update through the
    hierarchy for unthrottled run queue instances.
 
  - A documentation fix fot the 'sched_verbose' command line option
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Merge tag 'sched-urgent-2021-05-09' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull scheduler fixes from Thomas Gleixner:
 "A set of scheduler updates:

   - Prevent PSI state corruption when schedule() races with cgroup
     move.

     A recent commit combined two PSI callbacks to reduce the number of
     cgroup tree updates, but missed that schedule() can drop rq::lock
     for load balancing, which opens the race window for
     cgroup_move_task() which then observes half updated state.

     The fix is to solely use task::ps_flags instead of looking at the
     potentially mismatching scheduler state

   - Prevent an out-of-bounds access in uclamp caused bu a rounding
     division which can lead to an off-by-one error exceeding the
     buckets array size.

   - Prevent unfairness caused by missing load decay when a task is
     attached to a cfs runqueue.

     The old load of the task was attached to the runqueue and never
     removed. Fix it by enforcing the load update through the hierarchy
     for unthrottled run queue instances.

   - A documentation fix fot the 'sched_verbose' command line option"

* tag 'sched-urgent-2021-05-09' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  sched/fair: Fix unfairness caused by missing load decay
  sched: Fix out-of-bound access in uclamp
  psi: Fix psi state corruption when schedule() races with cgroup move
  sched,doc: sched_debug_verbose cmdline should be sched_verbose
2021-05-09 13:14:34 -07:00
Linus Torvalds
732a27a089 A set of locking related fixes and updates:
- Two fixes for the futex syscall related to the timeout handling.
 
     FUTEX_LOCK_PI does not support the FUTEX_CLOCK_REALTIME bit and because
     it's not set the time namespace adjustment for clock MONOTONIC is
     applied wrongly.
 
     FUTEX_WAIT cannot support the FUTEX_CLOCK_REALTIME bit because its
     always a relative timeout.
 
   - Cleanups in the futex syscall entry points which became obvious when
     the two timeout handling bugs were fixed.
 
   - Cleanup of queued_write_lock_slowpath() as suggested by Linus
 
   - Fixup of the smp_call_function_single_async() prototype
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Merge tag 'locking-urgent-2021-05-09' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull locking fixes from Thomas Gleixner:
 "A set of locking related fixes and updates:

   - Two fixes for the futex syscall related to the timeout handling.

     FUTEX_LOCK_PI does not support the FUTEX_CLOCK_REALTIME bit and
     because it's not set the time namespace adjustment for clock
     MONOTONIC is applied wrongly.

     FUTEX_WAIT cannot support the FUTEX_CLOCK_REALTIME bit because its
     always a relative timeout.

   - Cleanups in the futex syscall entry points which became obvious
     when the two timeout handling bugs were fixed.

   - Cleanup of queued_write_lock_slowpath() as suggested by Linus

   - Fixup of the smp_call_function_single_async() prototype"

* tag 'locking-urgent-2021-05-09' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  futex: Make syscall entry points less convoluted
  futex: Get rid of the val2 conditional dance
  futex: Do not apply time namespace adjustment on FUTEX_LOCK_PI
  Revert 337f13046f ("futex: Allow FUTEX_CLOCK_REALTIME with FUTEX_WAIT op")
  locking/qrwlock: Cleanup queued_write_lock_slowpath()
  smp: Fix smp_call_function_single_async prototype
2021-05-09 13:07:03 -07:00
Linus Torvalds
85bbba1c07 Handle power-gating of AMD IOMMU perf counters properly when they are used.
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Merge tag 'perf_urgent_for_v5.13_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull x86 perf fix from Borislav Petkov:
 "Handle power-gating of AMD IOMMU perf counters properly when they are
  used"

* tag 'perf_urgent_for_v5.13_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/events/amd/iommu: Fix invalid Perf result due to IOMMU PMC power-gating
2021-05-09 13:00:26 -07:00
Linus Torvalds
dd3e4012dd - Fix guest vtime accounting so that ticks happening while the guest is running
can also be accounted to it. Along with a consolidation to the guest-specific context
 tracking helpers.
 
 - Provide for the host NMI handler running after a VMX VMEXIT to be able to run
 on the kernel stack correctly.
 
 - Initialize MSR_TSC_AUX when RDPID is supported and not RDTSCP (virt relevant -
   real hw supports both)
 
 - A code generation improvement to TASK_SIZE_MAX through the use of alternatives
 
 - The usual misc. and related cleanups and improvements
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Merge tag 'x86_urgent_for_v5.13_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull x86 fixes from Borislav Petkov:
 "A bunch of things accumulated for x86 in the last two weeks:

   - Fix guest vtime accounting so that ticks happening while the guest
     is running can also be accounted to it. Along with a consolidation
     to the guest-specific context tracking helpers.

   - Provide for the host NMI handler running after a VMX VMEXIT to be
     able to run on the kernel stack correctly.

   - Initialize MSR_TSC_AUX when RDPID is supported and not RDTSCP (virt
     relevant - real hw supports both)

   - A code generation improvement to TASK_SIZE_MAX through the use of
     alternatives

   - The usual misc and related cleanups and improvements"

* tag 'x86_urgent_for_v5.13_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  KVM: x86: Consolidate guest enter/exit logic to common helpers
  context_tracking: KVM: Move guest enter/exit wrappers to KVM's domain
  context_tracking: Consolidate guest enter/exit wrappers
  sched/vtime: Move guest enter/exit vtime accounting to vtime.h
  sched/vtime: Move vtime accounting external declarations above inlines
  KVM: x86: Defer vtime accounting 'til after IRQ handling
  context_tracking: Move guest exit vtime accounting to separate helpers
  context_tracking: Move guest exit context tracking to separate helpers
  KVM/VMX: Invoke NMI non-IST entry instead of IST entry
  x86/cpu: Remove write_tsc() and write_rdtscp_aux() wrappers
  x86/cpu: Initialize MSR_TSC_AUX if RDTSCP *or* RDPID is supported
  x86/resctrl: Fix init const confusion
  x86: Delete UD0, UD1 traces
  x86/smpboot: Remove duplicate includes
  x86/cpu: Use alternative to generate the TASK_SIZE_MAX constant
2021-05-09 12:52:25 -07:00
Jens Axboe
35c820e715 Revert "bio: limit bio max size"
This reverts commit cd2c7545ae.

Alex reports that the commit causes corruption with LUKS on ext4. Revert
it for now so that this can be investigated properly.

Link: https://lore.kernel.org/linux-block/1620493841.bxdq8r5haw.none@localhost/
Reported-by: Alex Xu (Hello71) <alex_y_xu@yahoo.ca>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2021-05-08 21:49:48 -06:00
Linus Torvalds
b741596468 RISC-V Fixes for the Merge Window, Part 2
* A fix to avoid over-allocating the kernel's mapping on !MMU systems,
   which could lead to up to 2MiB of lost memory.
 * The SiFive address extension errata only manifest on rv64, they are
   now disabled on rv32 where they are unnecessary.
 
 There are also a pair of late-landing cleanups.
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Merge tag 'riscv-for-linus-5.13-mw1' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux

Pull RISC-V fixes from Palmer Dabbelt:

 - A fix to avoid over-allocating the kernel's mapping on !MMU systems,
   which could lead to up to 2MiB of lost memory

 - The SiFive address extension errata only manifest on rv64, they are
   now disabled on rv32 where they are unnecessary

 - A pair of late-landing cleanups

* tag 'riscv-for-linus-5.13-mw1' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux:
  riscv: remove unused handle_exception symbol
  riscv: Consistify protect_kernel_linear_mapping_text_rodata() use
  riscv: enable SiFive errata CIP-453 and CIP-1200 Kconfig only if CONFIG_64BIT=y
  riscv: Only extend kernel reservation if mapped read-only
2021-05-08 11:52:37 -07:00
Linus Torvalds
fec4d42724 drm/i915/display: fix compiler warning about array overrun
intel_dp_check_mst_status() uses a 14-byte array to read the DPRX Event
Status Indicator data, but then passes that buffer at offset 10 off as
an argument to drm_dp_channel_eq_ok().

End result: there are only 4 bytes remaining of the buffer, yet
drm_dp_channel_eq_ok() wants a 6-byte buffer.  gcc-11 correctly warns
about this case:

  drivers/gpu/drm/i915/display/intel_dp.c: In function ‘intel_dp_check_mst_status’:
  drivers/gpu/drm/i915/display/intel_dp.c:3491:22: warning: ‘drm_dp_channel_eq_ok’ reading 6 bytes from a region of size 4 [-Wstringop-overread]
   3491 |                     !drm_dp_channel_eq_ok(&esi[10], intel_dp->lane_count)) {
        |                      ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  drivers/gpu/drm/i915/display/intel_dp.c:3491:22: note: referencing argument 1 of type ‘const u8 *’ {aka ‘const unsigned char *’}
  In file included from drivers/gpu/drm/i915/display/intel_dp.c:38:
  include/drm/drm_dp_helper.h:1466:6: note: in a call to function ‘drm_dp_channel_eq_ok’
   1466 | bool drm_dp_channel_eq_ok(const u8 link_status[DP_LINK_STATUS_SIZE],
        |      ^~~~~~~~~~~~~~~~~~~~
       6:14 elapsed

This commit just extends the original array by 2 zero-initialized bytes,
avoiding the warning.

There may be some underlying bug in here that caused this confusion, but
this is at least no worse than the existing situation that could use
random data off the stack.

Cc: Jani Nikula <jani.nikula@intel.com>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: Dave Airlie <airlied@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2021-05-08 11:30:22 -07:00
Linus Torvalds
07db05638a SCSI misc on 20210508
This is a set of minor fixes in various drivers (qla2xxx, ufs,
 scsi_debug, lpfc) one doc fix and a fairly large update to the fnic
 driver to remove the open coded iteration functions in favour of the
 scsi provided ones.
 
 Signed-off-by: James E.J. Bottomley <jejb@linux.ibm.com>
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Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi

Pull more SCSI updates from James Bottomley:
 "This is a set of minor fixes in various drivers (qla2xxx, ufs,
  scsi_debug, lpfc) one doc fix and a fairly large update to the fnic
  driver to remove the open coded iteration functions in favour of the
  scsi provided ones"

* tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
  scsi: fnic: Use scsi_host_busy_iter() to traverse commands
  scsi: fnic: Kill 'exclude_id' argument to fnic_cleanup_io()
  scsi: scsi_debug: Fix cmd_per_lun, set to max_queue
  scsi: ufs: core: Narrow down fast path in system suspend path
  scsi: ufs: core: Cancel rpm_dev_flush_recheck_work during system suspend
  scsi: ufs: core: Do not put UFS power into LPM if link is broken
  scsi: qla2xxx: Prevent PRLI in target mode
  scsi: qla2xxx: Add marginal path handling support
  scsi: target: tcmu: Return from tcmu_handle_completions() if cmd_id not found
  scsi: ufs: core: Fix a typo in ufs-sysfs.c
  scsi: lpfc: Fix bad memory access during VPD DUMP mailbox command
  scsi: lpfc: Fix DMA virtual address ptr assignment in bsg
  scsi: lpfc: Fix illegal memory access on Abort IOCBs
  scsi: blk-mq: Fix build warning when making htmldocs
2021-05-08 10:44:36 -07:00
Linus Torvalds
0f979d815c Kbuild updates for v5.13 (2nd)
- Convert sh and sparc to use generic shell scripts to generate the
    syscall headers
 
  - refactor .gitignore files
 
  - Update kernel/config_data.gz only when the content of the .config is
    really changed, which avoids the unneeded re-link of vmlinux
 
  - move "remove stale files" workarounds to scripts/remove-stale-files
 
  - suppress unused-but-set-variable warnings by default for Clang as well
 
  - fix locale setting LANG=C to LC_ALL=C
 
  - improve 'make distclean'
 
  - always keep intermediate objects from scripts/link-vmlinux.sh
 
  - move IF_ENABLED out of <linux/kconfig.h> to make it self-contained
 
  - misc cleanups
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Merge tag 'kbuild-v5.13-2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild

Pull more Kbuild updates from Masahiro Yamada:

 - Convert sh and sparc to use generic shell scripts to generate the
   syscall headers

 - refactor .gitignore files

 - Update kernel/config_data.gz only when the content of the .config
   is really changed, which avoids the unneeded re-link of vmlinux

 - move "remove stale files" workarounds to scripts/remove-stale-files

 - suppress unused-but-set-variable warnings by default for Clang
   as well

 - fix locale setting LANG=C to LC_ALL=C

 - improve 'make distclean'

 - always keep intermediate objects from scripts/link-vmlinux.sh

 - move IF_ENABLED out of <linux/kconfig.h> to make it self-contained

 - misc cleanups

* tag 'kbuild-v5.13-2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild: (25 commits)
  linux/kconfig.h: replace IF_ENABLED() with PTR_IF() in <linux/kernel.h>
  kbuild: Don't remove link-vmlinux temporary files on exit/signal
  kbuild: remove the unneeded comments for external module builds
  kbuild: make distclean remove tag files in sub-directories
  kbuild: make distclean work against $(objtree) instead of $(srctree)
  kbuild: refactor modname-multi by using suffix-search
  kbuild: refactor fdtoverlay rule
  kbuild: parameterize the .o part of suffix-search
  arch: use cross_compiling to check whether it is a cross build or not
  kbuild: remove ARCH=sh64 support from top Makefile
  .gitignore: prefix local generated files with a slash
  kbuild: replace LANG=C with LC_ALL=C
  Makefile: Move -Wno-unused-but-set-variable out of GCC only block
  kbuild: add a script to remove stale generated files
  kbuild: update config_data.gz only when the content of .config is changed
  .gitignore: ignore only top-level modules.builtin
  .gitignore: move tags and TAGS close to other tag files
  kernel/.gitgnore: remove stale timeconst.h and hz.bc
  usr/include: refactor .gitignore
  genksyms: fix stale comment
  ...
2021-05-08 10:00:11 -07:00
Steve French
c1f8a398b6 smb3: if max_channels set to more than one channel request multichannel
Mounting with "multichannel" is obviously implied if user requested
more than one channel on mount (ie mount parm max_channels>1).
Currently both have to be specified. Fix that so that if max_channels
is greater than 1 on mount, enable multichannel rather than silently
falling back to non-multichannel.

Signed-off-by: Steve French <stfrench@microsoft.com>
Reviewed-By: Tom Talpey <tom@talpey.com>
Cc: <stable@vger.kernel.org> # v5.11+
Reviewed-by: Shyam Prasad N <sprasad@microsoft.com>
2021-05-08 10:51:06 -05:00
Steve French
9c2dc11df5 smb3: do not attempt multichannel to server which does not support it
We were ignoring CAP_MULTI_CHANNEL in the server response - if the
server doesn't support multichannel we should not be attempting it.

See MS-SMB2 section 3.2.5.2

Reviewed-by: Shyam Prasad N <sprasad@microsoft.com>
Reviewed-By: Tom Talpey <tom@talpey.com>
Cc: <stable@vger.kernel.org> # v5.8+
Signed-off-by: Steve French <stfrench@microsoft.com>
2021-05-08 10:50:53 -05:00
Linus Torvalds
ab159ac569 powerpc fixes for 5.13 #2
- Remove the nvlink support now that it's only user has been removed.
 
  - Enable huge vmalloc mappings for Radix MMU (P9).
 
  - Fix KVM conversion to gfn-based MMU notifier callbacks.
 
  - Fix a kexec/kdump crash with hot plugged CPUs.
 
  - Fix boot failure on 32-bit with CONFIG_STACKPROTECTOR.
 
  - Restore alphabetic order of the selects under CONFIG_PPC.
 
 Thanks to: Christophe Leroy, Christoph Hellwig, Nicholas Piggin, Sandipan Das, Sourabh Jain.
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Merge tag 'powerpc-5.13-2' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux

Pull powerpc updates and fixes from Michael Ellerman:
 "A bit of a mixture of things, tying up some loose ends.

  There's the removal of the nvlink code, which dependend on a commit in
  the vfio tree. Then the enablement of huge vmalloc which was in next
  for a few weeks but got dropped due to conflicts. And there's also a
  few fixes.

  Summary:

   - Remove the nvlink support now that it's only user has been removed.

   - Enable huge vmalloc mappings for Radix MMU (P9).

   - Fix KVM conversion to gfn-based MMU notifier callbacks.

   - Fix a kexec/kdump crash with hot plugged CPUs.

   - Fix boot failure on 32-bit with CONFIG_STACKPROTECTOR.

   - Restore alphabetic order of the selects under CONFIG_PPC.

  Thanks to: Christophe Leroy, Christoph Hellwig, Nicholas Piggin,
  Sandipan Das, and Sourabh Jain"

* tag 'powerpc-5.13-2' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
  KVM: PPC: Book3S HV: Fix conversion to gfn-based MMU notifier callbacks
  powerpc/kconfig: Restore alphabetic order of the selects under CONFIG_PPC
  powerpc/32: Fix boot failure with CONFIG_STACKPROTECTOR
  powerpc/powernv/memtrace: Fix dcache flushing
  powerpc/kexec_file: Use current CPU info while setting up FDT
  powerpc/64s/radix: Enable huge vmalloc mappings
  powerpc/powernv: remove the nvlink support
2021-05-08 08:49:54 -07:00
Steve French
679971e721 smb3: when mounting with multichannel include it in requested capabilities
In the SMB3/SMB3.1.1 negotiate protocol request, we are supposed to
advertise CAP_MULTICHANNEL capability when establishing multiple
channels has been requested by the user doing the mount. See MS-SMB2
sections 2.2.3 and 3.2.5.2

Without setting it there is some risk that multichannel could fail
if the server interpreted the field strictly.

Reviewed-By: Tom Talpey <tom@talpey.com>
Reviewed-by: Shyam Prasad N <sprasad@microsoft.com>
Cc: <stable@vger.kernel.org> # v5.8+
Signed-off-by: Steve French <stfrench@microsoft.com>
2021-05-08 10:44:11 -05:00
Linus Torvalds
fc858a5231 Networking fixes for 5.13-rc1, including fixes from bpf, can
and netfilter trees. Self-contained fixes, nothing risky.
 
 Current release - new code bugs:
 
  - dsa: ksz: fix a few bugs found by static-checker in the new driver
 
  - stmmac: fix frame preemption handshake not triggering after
            interface restart
 
 Previous releases - regressions:
 
  - make nla_strcmp handle more then one trailing null character
 
  - fix stack OOB reads while fragmenting IPv4 packets in openvswitch
    and net/sched
 
  - sctp: do asoc update earlier in sctp_sf_do_dupcook_a
 
  - sctp: delay auto_asconf init until binding the first addr
 
  - stmmac: clear receive all(RA) bit when promiscuous mode is off
 
  - can: mcp251x: fix resume from sleep before interface was brought up
 
 Previous releases - always broken:
 
  - bpf: fix leakage of uninitialized bpf stack under speculation
 
  - bpf: fix masking negation logic upon negative dst register
 
  - netfilter: don't assume that skb_header_pointer() will never fail
 
  - only allow init netns to set default tcp cong to a restricted algo
 
  - xsk: fix xp_aligned_validate_desc() when len == chunk_size to
         avoid false positive errors
 
  - ethtool: fix missing NLM_F_MULTI flag when dumping
 
  - can: m_can: m_can_tx_work_queue(): fix tx_skb race condition
 
  - sctp: fix a SCTP_MIB_CURRESTAB leak in sctp_sf_do_dupcook_b
 
  - bridge: fix NULL-deref caused by a races between assigning
            rx_handler_data and setting the IFF_BRIDGE_PORT bit
 
 Latecomer:
 
  - seg6: add counters support for SRv6 Behaviors
 
 Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-5.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net

Pull networking fixes from Jakub Kicinski:
 "Networking fixes for 5.13-rc1, including fixes from bpf, can and
  netfilter trees. Self-contained fixes, nothing risky.

  Current release - new code bugs:

   - dsa: ksz: fix a few bugs found by static-checker in the new driver

   - stmmac: fix frame preemption handshake not triggering after
     interface restart

  Previous releases - regressions:

   - make nla_strcmp handle more then one trailing null character

   - fix stack OOB reads while fragmenting IPv4 packets in openvswitch
     and net/sched

   - sctp: do asoc update earlier in sctp_sf_do_dupcook_a

   - sctp: delay auto_asconf init until binding the first addr

   - stmmac: clear receive all(RA) bit when promiscuous mode is off

   - can: mcp251x: fix resume from sleep before interface was brought up

  Previous releases - always broken:

   - bpf: fix leakage of uninitialized bpf stack under speculation

   - bpf: fix masking negation logic upon negative dst register

   - netfilter: don't assume that skb_header_pointer() will never fail

   - only allow init netns to set default tcp cong to a restricted algo

   - xsk: fix xp_aligned_validate_desc() when len == chunk_size to avoid
     false positive errors

   - ethtool: fix missing NLM_F_MULTI flag when dumping

   - can: m_can: m_can_tx_work_queue(): fix tx_skb race condition

   - sctp: fix a SCTP_MIB_CURRESTAB leak in sctp_sf_do_dupcook_b

   - bridge: fix NULL-deref caused by a races between assigning
     rx_handler_data and setting the IFF_BRIDGE_PORT bit

  Latecomer:

   - seg6: add counters support for SRv6 Behaviors"

* tag 'net-5.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (73 commits)
  atm: firestream: Use fallthrough pseudo-keyword
  net: stmmac: Do not enable RX FIFO overflow interrupts
  mptcp: fix splat when closing unaccepted socket
  i40e: Remove LLDP frame filters
  i40e: Fix PHY type identifiers for 2.5G and 5G adapters
  i40e: fix the restart auto-negotiation after FEC modified
  i40e: Fix use-after-free in i40e_client_subtask()
  i40e: fix broken XDP support
  netfilter: nftables: avoid potential overflows on 32bit arches
  netfilter: nftables: avoid overflows in nft_hash_buckets()
  tcp: Specify cmsgbuf is user pointer for receive zerocopy.
  mlxsw: spectrum_mr: Update egress RIF list before route's action
  net: ipa: fix inter-EE IRQ register definitions
  can: m_can: m_can_tx_work_queue(): fix tx_skb race condition
  can: mcp251x: fix resume from sleep before interface was brought up
  can: mcp251xfd: mcp251xfd_probe(): add missing can_rx_offload_del() in error path
  can: mcp251xfd: mcp251xfd_probe(): fix an error pointer dereference in probe
  netfilter: nftables: Fix a memleak from userdata error path in new objects
  netfilter: remove BUG_ON() after skb_header_pointer()
  netfilter: nfnetlink_osf: Fix a missing skb_header_pointer() NULL check
  ...
2021-05-08 08:31:46 -07:00
Masahiro Yamada
0ab1438bad linux/kconfig.h: replace IF_ENABLED() with PTR_IF() in <linux/kernel.h>
<linux/kconfig.h> is included from all the kernel-space source files,
including C, assembly, linker scripts. It is intended to contain a
minimal set of macros to evaluate CONFIG options.

IF_ENABLED() is an intruder here because (x ? y : z) is C code, which
should not be included from assembly files or linker scripts.

Also, <linux/kconfig.h> is no longer self-contained because NULL is
defined in <linux/stddef.h>.

Move IF_ENABLED() out to <linux/kernel.h> as PTR_IF(). PTF_IF()
takes the general boolean expression instead of a CONFIG option
so that it fits better in <linux/kernel.h>.

Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Reviewed-by: Kees Cook <keescook@chromium.org>
2021-05-09 00:29:45 +09:00
Michael Ellerman
f96271cefe Merge branch 'master' into next
Merge master back into next, this allows us to resolve some conflicts in
arch/powerpc/Kconfig, and also re-sort the symbols under config PPC so
that they are in alphabetical order again.
2021-05-08 21:12:55 +10:00
Jakub Kicinski
55bc1af3d9 Merge git://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf
Pablo Neira Ayuso says:

====================
Netfilter fixes for net

1) Add SECMARK revision 1 to fix incorrect layout that prevents
   from remove rule with this target, from Phil Sutter.

2) Fix pernet exit path spat in arptables, from Florian Westphal.

3) Missing rcu_read_unlock() for unknown nfnetlink callbacks,
   reported by syzbot, from Eric Dumazet.

4) Missing check for skb_header_pointer() NULL pointer in
   nfnetlink_osf.

5) Remove BUG_ON() after skb_header_pointer() from packet path
   in several conntrack helper and the TCP tracker.

6) Fix memleak in the new object error path of userdata.

7) Avoid overflows in nft_hash_buckets(), reported by syzbot,
   also from Eric.

8) Avoid overflows in 32bit arches, from Eric.

* git://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf:
  netfilter: nftables: avoid potential overflows on 32bit arches
  netfilter: nftables: avoid overflows in nft_hash_buckets()
  netfilter: nftables: Fix a memleak from userdata error path in new objects
  netfilter: remove BUG_ON() after skb_header_pointer()
  netfilter: nfnetlink_osf: Fix a missing skb_header_pointer() NULL check
  netfilter: nfnetlink: add a missing rcu_read_unlock()
  netfilter: arptables: use pernet ops struct during unregister
  netfilter: xt_SECMARK: add new revision to fix structure layout
====================

Link: https://lore.kernel.org/r/20210507174739.1850-1-pablo@netfilter.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2021-05-07 16:10:12 -07:00
Jakub Kicinski
e4d4a27220 Merge branch '40GbE' of git://git.kernel.org/pub/scm/linux/kernel/git/tnguy/net-queue
Nguyen, Anthony L says:

====================
Intel Wired LAN Driver Updates 2021-05-07

This series contains updates to i40e driver only.

Magnus fixes XDP by adding and correcting checks that were caused by a
previous commit which introduced a new variable but did not account for
it in all paths.

Yunjian Wang adds a return in an error path to prevent reading a freed
pointer.

Jaroslaw forces link reset when changing FEC so that changes take
affect.

Mateusz fixes PHY types for 2.5G and 5G as there is a differentiation on
PHY identifiers based on operation.

Arkadiusz removes filtering of LLDP frames for software DCB as this is
preventing them from being properly transmitted.

* '40GbE' of git://git.kernel.org/pub/scm/linux/kernel/git/tnguy/net-queue:
  i40e: Remove LLDP frame filters
  i40e: Fix PHY type identifiers for 2.5G and 5G adapters
  i40e: fix the restart auto-negotiation after FEC modified
  i40e: Fix use-after-free in i40e_client_subtask()
  i40e: fix broken XDP support
====================

Link: https://lore.kernel.org/r/20210507164151.2878147-1-anthony.l.nguyen@intel.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2021-05-07 16:04:22 -07:00
Wei Ming Chen
7d18dbddb7 atm: firestream: Use fallthrough pseudo-keyword
Add pseudo-keyword macro fallthrough[1]

[1] https://www.kernel.org/doc/html/latest/process/deprecated.html?highlight=fallthrough#implicit-switch-case-fall-through

Signed-off-by: Wei Ming Chen <jj251510319013@gmail.com>
Link: https://lore.kernel.org/r/20210507123843.10602-1-jj251510319013@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2021-05-07 16:01:08 -07:00
Yannick Vignon
8a7cb245cf net: stmmac: Do not enable RX FIFO overflow interrupts
The RX FIFO overflows when the system is not able to process all received
packets and they start accumulating (first in the DMA queue in memory,
then in the FIFO). An interrupt is then raised for each overflowing packet
and handled in stmmac_interrupt(). This is counter-productive, since it
brings the system (or more likely, one CPU core) to its knees to process
the FIFO overflow interrupts.

stmmac_interrupt() handles overflow interrupts by writing the rx tail ptr
into the corresponding hardware register (according to the MAC spec, this
has the effect of restarting the MAC DMA). However, without freeing any rx
descriptors, the DMA stops right away, and another overflow interrupt is
raised as the FIFO overflows again. Since the DMA is already restarted at
the end of stmmac_rx_refill() after freeing descriptors, disabling FIFO
overflow interrupts and the corresponding handling code has no side effect,
and eliminates the interrupt storm when the RX FIFO overflows.

Signed-off-by: Yannick Vignon <yannick.vignon@nxp.com>
Link: https://lore.kernel.org/r/20210506143312.20784-1-yannick.vignon@oss.nxp.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2021-05-07 15:53:57 -07:00
Paolo Abeni
578c18eff1 mptcp: fix splat when closing unaccepted socket
If userspace exits before calling accept() on a listener that had at least
one new connection ready, we get:

   Attempt to release TCP socket in state 8

This happens because the mptcp socket gets cloned when the TCP connection
is ready, but the socket is never exposed to userspace.

The client additionally sends a DATA_FIN, which brings connection into
CLOSE_WAIT state.  This in turn prevents the orphan+state reset fixup
in mptcp_sock_destruct() from doing its job.

Fixes: 3721b9b646 ("mptcp: Track received DATA_FIN sequence number and add related helpers")
Closes: https://github.com/multipath-tcp/mptcp_net-next/issues/185
Tested-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Link: https://lore.kernel.org/r/20210507001638.225468-1-mathew.j.martineau@linux.intel.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2021-05-07 15:53:40 -07:00
Linus Torvalds
dd860052c9 chrome platform changes for 5.13
cros_ec_typec:
 * Changes around DP mode check, hard reset, tracking port change.
 
 cros_ec misc:
 * wilco_ec: Convert stream-like files from nonseekable to stream open
 * cros_usbpd_notify: Listen to EC_HSOT_EVENT_USB_MUX host event
 * fix format warning in cros_ec_typec
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Merge tag 'tag-chrome-platform-for-v5.13' of git://git.kernel.org/pub/scm/linux/kernel/git/chrome-platform/linux

Pull chrome platform updates from Benson Leung:
 "cros_ec_typec:

   - Changes around DP mode check, hard reset, tracking port change.

  cros_ec misc:

   - wilco_ec: Convert stream-like files from nonseekable to stream open

   - cros_usbpd_notify: Listen to EC_HSOT_EVENT_USB_MUX host event

   - fix format warning in cros_ec_typec"

* tag 'tag-chrome-platform-for-v5.13' of git://git.kernel.org/pub/scm/linux/kernel/git/chrome-platform/linux:
  platform/chrome: cros_ec_lpc: Use DEFINE_MUTEX() for mutex lock
  platform/chrome: cros_usbpd_notify: Listen to EC_HOST_EVENT_USB_MUX host event
  platform/chrome: cros_ec_typec: Add DP mode check
  platform/chrome: cros_ec_typec: Handle hard reset
  platform/chrome: cros_ec: Add Type C hard reset
  platform/chrome: cros_ec_typec: Track port role
  platform/chrome: cros_ec_typec: fix clang -Wformat warning
  platform/chrome: cros_ec_typec: Check for device within remove function
  platform/chrome: wilco_ec: convert stream-like files from nonseekable_open -> stream_open
2021-05-07 14:49:18 -07:00
Linus Torvalds
1ad77a05cf I3C for 5.13
Subsystem:
  - Fix i3c_master_register error path.
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Merge tag 'i3c/for-5.13' of git://git.kernel.org/pub/scm/linux/kernel/git/i3c/linux

Pull i3cupdates from Alexandre Belloni:
 "Fix i3c_master_register error path"

* tag 'i3c/for-5.13' of git://git.kernel.org/pub/scm/linux/kernel/git/i3c/linux:
  Revert "i3c master: fix missing destroy_workqueue() on error in i3c_master_register"
  dt-bindings: i3c: Fix silvaco,i3c-master-v1 compatible string
  i3c: master: svc: remove redundant assignment to cmd->read_len
2021-05-07 13:06:34 -07:00
Linus Torvalds
51595e3b49 Assorted arm64 fixes and clean-ups, the most important:
- Restore terminal stack frame records. Their previous removal caused
   traces which cross secondary_start_kernel to terminate one entry too
   late, with a spurious "0" entry.
 
 - Fix boot warning with pseudo-NMI due to the way we manipulate the PMR
   register.
 
 - ACPI fixes: avoid corruption of interrupt mappings on watchdog probe
   failure (GTDT), prevent unregistering of GIC SGIs.
 
 - Force SPARSEMEM_VMEMMAP as the only memory model, it saves with having
   to test all the other combinations.
 
 - Documentation fixes and updates: tagged address ABI exceptions on
   brk/mmap/mremap(), event stream frequency, update booting requirements
   on the configuration of traps.
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Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux

Pull more arm64 updates from Catalin Marinas:
 "A mix of fixes and clean-ups that turned up too late for the first
  pull request:

   - Restore terminal stack frame records. Their previous removal caused
     traces which cross secondary_start_kernel to terminate one entry
     too late, with a spurious "0" entry.

   - Fix boot warning with pseudo-NMI due to the way we manipulate the
     PMR register.

   - ACPI fixes: avoid corruption of interrupt mappings on watchdog
     probe failure (GTDT), prevent unregistering of GIC SGIs.

   - Force SPARSEMEM_VMEMMAP as the only memory model, it saves with
     having to test all the other combinations.

   - Documentation fixes and updates: tagged address ABI exceptions on
     brk/mmap/mremap(), event stream frequency, update booting
     requirements on the configuration of traps"

* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
  arm64: kernel: Update the stale comment
  arm64: Fix the documented event stream frequency
  arm64: entry: always set GIC_PRIO_PSR_I_SET during entry
  arm64: Explicitly document boot requirements for SVE
  arm64: Explicitly require that FPSIMD instructions do not trap
  arm64: Relax booting requirements for configuration of traps
  arm64: cpufeatures: use min and max
  arm64: stacktrace: restore terminal records
  arm64/vdso: Discard .note.gnu.property sections in vDSO
  arm64: doc: Add brk/mmap/mremap() to the Tagged Address ABI Exceptions
  psci: Remove unneeded semicolon
  ACPI: irq: Prevent unregistering of GIC SGIs
  ACPI: GTDT: Don't corrupt interrupt mappings on watchdow probe failure
  arm64: Show three registers per line
  arm64: remove HAVE_DEBUG_BUGVERBOSE
  arm64: alternative: simplify passing alt_region
  arm64: Force SPARSEMEM_VMEMMAP as the only memory management model
  arm64: vdso32: drop -no-integrated-as flag
2021-05-07 12:11:05 -07:00
Linus Torvalds
2059c40ade sound fixes for 5.13-rc1
Just a few device-specific HD-audio and USB-audio fixes.
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Merge tag 'sound-fix-5.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound

Pull sound fixes from Takashi Iwai:
 "Just a few device-specific HD-audio and USB-audio fixes"

* tag 'sound-fix-5.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
  ALSA: hda: generic: change the DAC ctl name for LO+SPK or LO+HP
  ALSA: hda/realtek: Add fixup for HP OMEN laptop
  ALSA: hda/realtek: Fix speaker amp on HP Envy AiO 32
  ALSA: hda/realtek: Fix silent headphone output on ASUS UX430UA
  ALSA: usb-audio: Add dB range mapping for Sennheiser Communications Headset PC 8
  ALSA: hda/realtek: ALC285 Thinkpad jack pin quirk is unreachable
2021-05-07 11:40:18 -07:00
Linus Torvalds
bd313968fd block-5.13-2021-05-07
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Merge tag 'block-5.13-2021-05-07' of git://git.kernel.dk/linux-block

Pull block fixes from Jens Axboe:

 - dasd spelling fixes (Bhaskar)

 - Limit bio max size on multi-page bvecs to the hardware limit, to
   avoid overly large bio's (and hence latencies). Originally queued for
   the merge window, but needed a fix and was dropped from the initial
   pull (Changheun)

 - NVMe pull request (Christoph):
      - reset the bdev to ns head when failover (Daniel Wagner)
      - remove unsupported command noise (Keith Busch)
      - misc passthrough improvements (Kanchan Joshi)
      - fix controller ioctl through ns_head (Minwoo Im)
      - fix controller timeouts during reset (Tao Chiu)

 - rnbd fixes/cleanups (Gioh, Md, Dima)

 - Fix iov_iter re-expansion (yangerkun)

* tag 'block-5.13-2021-05-07' of git://git.kernel.dk/linux-block:
  block: reexpand iov_iter after read/write
  nvmet: remove unsupported command noise
  nvme-multipath: reset bdev to ns head when failover
  nvme-pci: fix controller reset hang when racing with nvme_timeout
  nvme: move the fabrics queue ready check routines to core
  nvme: avoid memset for passthrough requests
  nvme: add nvme_get_ns helper
  nvme: fix controller ioctl through ns_head
  bio: limit bio max size
  RDMA/rtrs: fix uninitialized symbol 'cnt'
  s390: dasd: Mundane spelling fixes
  block/rnbd: Remove all likely and unlikely
  block/rnbd-clt: Check the return value of the function rtrs_clt_query
  block/rnbd: Fix style issues
  block/rnbd-clt: Change queue_depth type in rnbd_clt_session to size_t
2021-05-07 11:35:12 -07:00
Linus Torvalds
28b4afeb59 io_uring-5.13-2021-05-07
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Merge tag 'io_uring-5.13-2021-05-07' of git://git.kernel.dk/linux-block

Pull io_uring fixes from Jens Axboe:
 "Mostly fixes for merge window merged code. In detail:

   - Error case memory leak fixes (Colin, Zqiang)

   - Add the tools/io_uring/ to the list of maintained files (Lukas)

   - Set of fixes for the modified buffer registration API (Pavel)

   - Sanitize io thread setup on x86 (Stefan)

   - Ensure we truncate transfer count for registered buffers (Thadeu)"

* tag 'io_uring-5.13-2021-05-07' of git://git.kernel.dk/linux-block:
  x86/process: setup io_threads more like normal user space threads
  MAINTAINERS: add io_uring tool to IO_URING
  io_uring: truncate lengths larger than MAX_RW_COUNT on provide buffers
  io_uring: Fix memory leak in io_sqe_buffers_register()
  io_uring: Fix premature return from loop and memory leak
  io_uring: fix unchecked error in switch_start()
  io_uring: allow empty slots for reg buffers
  io_uring: add more build check for uapi
  io_uring: dont overlap internal and user req flags
  io_uring: fix drain with rsrc CQEs
2021-05-07 11:29:23 -07:00
Linus Torvalds
a647034fe2 NFS client updates for Linux 5.13
Highlights include:
 
 Stable fixes:
 - Add validation of the UDP retrans parameter to prevent shift out-of-bounds
 - Don't discard pNFS layout segments that are marked for return
 
 Bugfixes:
 - Fix a NULL dereference crash in xprt_complete_bc_request() when the
   NFSv4.1 server misbehaves.
 - Fix the handling of NFS READDIR cookie verifiers
 - Sundry fixes to ensure attribute revalidation works correctly when the
   server does not return post-op attributes.
 - nfs4_bitmask_adjust() must not change the server global bitmasks
 - Fix major timeout handling in the RPC code.
 - NFSv4.2 fallocate() fixes.
 - Fix the NFSv4.2 SEEK_HOLE/SEEK_DATA end-of-file handling
 - Copy offload attribute revalidation fixes
 - Fix an incorrect filehandle size check in the pNFS flexfiles driver
 - Fix several RDMA transport setup/teardown races
 - Fix several RDMA queue wrapping issues
 - Fix a misplaced memory read barrier in sunrpc's call_decode()
 
 Features:
 - Micro optimisation of the TCP transmission queue using TCP_CORK
 - statx() performance improvements by further splitting up the tracking
   of invalid cached file metadata.
 - Support the NFSv4.2 "change_attr_type" attribute and use it to
   optimise handling of change attribute updates.
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Merge tag 'nfs-for-5.13-1' of git://git.linux-nfs.org/projects/trondmy/linux-nfs

Pull NFS client updates from Trond Myklebust:
 "Highlights include:

  Stable fixes:

   - Add validation of the UDP retrans parameter to prevent shift
     out-of-bounds

   - Don't discard pNFS layout segments that are marked for return

  Bugfixes:

   - Fix a NULL dereference crash in xprt_complete_bc_request() when the
     NFSv4.1 server misbehaves.

   - Fix the handling of NFS READDIR cookie verifiers

   - Sundry fixes to ensure attribute revalidation works correctly when
     the server does not return post-op attributes.

   - nfs4_bitmask_adjust() must not change the server global bitmasks

   - Fix major timeout handling in the RPC code.

   - NFSv4.2 fallocate() fixes.

   - Fix the NFSv4.2 SEEK_HOLE/SEEK_DATA end-of-file handling

   - Copy offload attribute revalidation fixes

   - Fix an incorrect filehandle size check in the pNFS flexfiles driver

   - Fix several RDMA transport setup/teardown races

   - Fix several RDMA queue wrapping issues

   - Fix a misplaced memory read barrier in sunrpc's call_decode()

  Features:

   - Micro optimisation of the TCP transmission queue using TCP_CORK

   - statx() performance improvements by further splitting up the
     tracking of invalid cached file metadata.

   - Support the NFSv4.2 'change_attr_type' attribute and use it to
     optimise handling of change attribute updates"

* tag 'nfs-for-5.13-1' of git://git.linux-nfs.org/projects/trondmy/linux-nfs: (85 commits)
  xprtrdma: Fix a NULL dereference in frwr_unmap_sync()
  sunrpc: Fix misplaced barrier in call_decode
  NFSv4.2: Remove ifdef CONFIG_NFSD from NFSv4.2 client SSC code.
  xprtrdma: Move fr_mr field to struct rpcrdma_mr
  xprtrdma: Move the Work Request union to struct rpcrdma_mr
  xprtrdma: Move fr_linv_done field to struct rpcrdma_mr
  xprtrdma: Move cqe to struct rpcrdma_mr
  xprtrdma: Move fr_cid to struct rpcrdma_mr
  xprtrdma: Remove the RPC/RDMA QP event handler
  xprtrdma: Don't display r_xprt memory addresses in tracepoints
  xprtrdma: Add an rpcrdma_mr_completion_class
  xprtrdma: Add tracepoints showing FastReg WRs and remote invalidation
  xprtrdma: Avoid Send Queue wrapping
  xprtrdma: Do not wake RPC consumer on a failed LocalInv
  xprtrdma: Do not recycle MR after FastReg/LocalInv flushes
  xprtrdma: Clarify use of barrier in frwr_wc_localinv_done()
  xprtrdma: Rename frwr_release_mr()
  xprtrdma: rpcrdma_mr_pop() already does list_del_init()
  xprtrdma: Delete rpcrdma_recv_buffer_put()
  xprtrdma: Fix cwnd update ordering
  ...
2021-05-07 11:23:41 -07:00
Linus Torvalds
e22e983279 9p for 5.13-rc1
an error handling fix and const optimization
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Merge tag '9p-for-5.13-rc1' of git://github.com/martinetd/linux

Pull 9p updates from Dominique Martinet:
 "An error handling fix and constification"

* tag '9p-for-5.13-rc1' of git://github.com/martinetd/linux:
  fs: 9p: fix v9fs_file_open writeback fid error check
  9p: Constify static struct v9fs_attr_group
2021-05-07 11:18:52 -07:00
Arkadiusz Kubalewski
8085a36db7 i40e: Remove LLDP frame filters
Remove filters from being setup in case of software DCB and allow the
LLDP frames to be properly transmitted to the wire.

It is not possible to transmit the LLDP frame out of the port, if they
are filtered by control VSI. This prohibits software LLDP agent
properly communicate its DCB capabilities to the neighbors.

Fixes: 4b208eaa80 ("i40e: Add init and default config of software based DCB")
Signed-off-by: Arkadiusz Kubalewski <arkadiusz.kubalewski@intel.com>
Tested-by: Imam Hassan Reza Biswas <imam.hassan.reza.biswas@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2021-05-07 09:35:49 -07:00
Mateusz Palczewski
15395ec468 i40e: Fix PHY type identifiers for 2.5G and 5G adapters
Unlike other supported adapters, 2.5G and 5G use different
PHY type identifiers for reading/writing PHY settings
and for reading link status. This commit introduces
separate PHY identifiers for these two operation types.

Fixes: 2e45d3f467 ("i40e: Add support for X710 B/P & SFP+ cards")
Signed-off-by: Dawid Lukwinski <dawid.lukwinski@intel.com>
Signed-off-by: Mateusz Palczewski <mateusz.palczewski@intel.com>
Reviewed-by: Aleksandr Loktionov <aleksandr.loktionov@intel.com>
Tested-by: Dave Switzer <david.switzer@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2021-05-07 09:35:49 -07:00
Jaroslaw Gawin
61343e6da7 i40e: fix the restart auto-negotiation after FEC modified
When FEC mode was changed the link didn't know it because
the link was not reset and new parameters were not negotiated.
Set a flag 'I40E_AQ_PHY_ENABLE_ATOMIC_LINK' in 'abilities'
to restart the link and make it run with the new settings.

Fixes: 1d96340196 ("i40e: Add support FEC configuration for Fortville 25G")
Signed-off-by: Jaroslaw Gawin <jaroslawx.gawin@intel.com>
Signed-off-by: Mateusz Palczewski <mateusz.palczewski@intel.com>
Tested-by: Dave Switzer <david.switzer@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2021-05-07 09:35:49 -07:00
Yunjian Wang
38318f23a7 i40e: Fix use-after-free in i40e_client_subtask()
Currently the call to i40e_client_del_instance frees the object
pf->cinst, however pf->cinst->lan_info is being accessed after
the free. Fix this by adding the missing return.

Addresses-Coverity: ("Read from pointer after free")
Fixes: 7b0b1a6d0a ("i40e: Disable iWARP VSI PETCP_ENA flag on netdev down events")
Signed-off-by: Yunjian Wang <wangyunjian@huawei.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2021-05-07 09:35:49 -07:00
Magnus Karlsson
ae4393dfd4 i40e: fix broken XDP support
Commit 12738ac475 ("i40e: Fix sparse errors in i40e_txrx.c") broke
XDP support in the i40e driver. That commit was fixing a sparse error
in the code by introducing a new variable xdp_res instead of
overloading this into the skb pointer. The problem is that the code
later uses the skb pointer in if statements and these where not
extended to also test for the new xdp_res variable. Fix this by adding
the correct tests for xdp_res in these places.

The skb pointer was used to store the result of the XDP program by
overloading the results in the error pointer
ERR_PTR(-result). Therefore, the allocation failure test that used to
only test for !skb now need to be extended to also consider !xdp_res.

i40e_cleanup_headers() had a check that based on the skb value being
an error pointer, i.e. a result from the XDP program != XDP_PASS, and
if so start to process a new packet immediately, instead of populating
skb fields and sending the skb to the stack. This check is not needed
anymore, since we have added an explicit test for xdp_res being set
and if so just do continue to pick the next packet from the NIC.

Fixes: 12738ac475 ("i40e: Fix sparse errors in i40e_txrx.c")
Acked-by: Jesper Dangaard Brouer <brouer@redhat.com>
Tested-by: Jesper Dangaard Brouer <brouer@redhat.com>
Reported-by: Jesper Dangaard Brouer <brouer@redhat.com>
Reviewed-by: Maciej Fijalkowski <maciej.fijalkowski@intel.com>
Signed-off-by: Magnus Karlsson <magnus.karlsson@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2021-05-07 09:35:38 -07:00
Eric Dumazet
6c8774a94e netfilter: nftables: avoid potential overflows on 32bit arches
User space could ask for very large hash tables, we need to make sure
our size computations wont overflow.

nf_tables_newset() needs to double check the u64 size
will fit into size_t field.

Fixes: 0ed6389c48 ("netfilter: nf_tables: rename set implementations")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2021-05-07 10:01:39 +02:00
Eric Dumazet
a54754ec98 netfilter: nftables: avoid overflows in nft_hash_buckets()
Number of buckets being stored in 32bit variables, we have to
ensure that no overflows occur in nft_hash_buckets()

syzbot injected a size == 0x40000000 and reported:

UBSAN: shift-out-of-bounds in ./include/linux/log2.h:57:13
shift exponent 64 is too large for 64-bit type 'long unsigned int'
CPU: 1 PID: 29539 Comm: syz-executor.4 Not tainted 5.12.0-rc7-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:79 [inline]
 dump_stack+0x141/0x1d7 lib/dump_stack.c:120
 ubsan_epilogue+0xb/0x5a lib/ubsan.c:148
 __ubsan_handle_shift_out_of_bounds.cold+0xb1/0x181 lib/ubsan.c:327
 __roundup_pow_of_two include/linux/log2.h:57 [inline]
 nft_hash_buckets net/netfilter/nft_set_hash.c:411 [inline]
 nft_hash_estimate.cold+0x19/0x1e net/netfilter/nft_set_hash.c:652
 nft_select_set_ops net/netfilter/nf_tables_api.c:3586 [inline]
 nf_tables_newset+0xe62/0x3110 net/netfilter/nf_tables_api.c:4322
 nfnetlink_rcv_batch+0xa09/0x24b0 net/netfilter/nfnetlink.c:488
 nfnetlink_rcv_skb_batch net/netfilter/nfnetlink.c:612 [inline]
 nfnetlink_rcv+0x3af/0x420 net/netfilter/nfnetlink.c:630
 netlink_unicast_kernel net/netlink/af_netlink.c:1312 [inline]
 netlink_unicast+0x533/0x7d0 net/netlink/af_netlink.c:1338
 netlink_sendmsg+0x856/0xd90 net/netlink/af_netlink.c:1927
 sock_sendmsg_nosec net/socket.c:654 [inline]
 sock_sendmsg+0xcf/0x120 net/socket.c:674
 ____sys_sendmsg+0x6e8/0x810 net/socket.c:2350
 ___sys_sendmsg+0xf3/0x170 net/socket.c:2404
 __sys_sendmsg+0xe5/0x1b0 net/socket.c:2433
 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46

Fixes: 0ed6389c48 ("netfilter: nf_tables: rename set implementations")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reported-by: syzbot <syzkaller@googlegroups.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2021-05-07 10:01:29 +02:00
Linus Torvalds
a48b0872e6 Merge branch 'akpm' (patches from Andrew)
Merge yet more updates from Andrew Morton:
 "This is everything else from -mm for this merge window.

  90 patches.

  Subsystems affected by this patch series: mm (cleanups and slub),
  alpha, procfs, sysctl, misc, core-kernel, bitmap, lib, compat,
  checkpatch, epoll, isofs, nilfs2, hpfs, exit, fork, kexec, gcov,
  panic, delayacct, gdb, resource, selftests, async, initramfs, ipc,
  drivers/char, and spelling"

* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (90 commits)
  mm: fix typos in comments
  mm: fix typos in comments
  treewide: remove editor modelines and cruft
  ipc/sem.c: spelling fix
  fs: fat: fix spelling typo of values
  kernel/sys.c: fix typo
  kernel/up.c: fix typo
  kernel/user_namespace.c: fix typos
  kernel/umh.c: fix some spelling mistakes
  include/linux/pgtable.h: few spelling fixes
  mm/slab.c: fix spelling mistake "disired" -> "desired"
  scripts/spelling.txt: add "overflw"
  scripts/spelling.txt: Add "diabled" typo
  scripts/spelling.txt: add "overlfow"
  arm: print alloc free paths for address in registers
  mm/vmalloc: remove vwrite()
  mm: remove xlate_dev_kmem_ptr()
  drivers/char: remove /dev/kmem for good
  mm: fix some typos and code style problems
  ipc/sem.c: mundane typo fixes
  ...
2021-05-07 00:34:51 -07:00
Lu Jialin
baf2f90ba4 mm: fix typos in comments
succed -> succeed in mm/hugetlb.c
wil -> will in mm/mempolicy.c
wit -> with in mm/page_alloc.c
Retruns -> Returns in mm/page_vma_mapped.c
confict -> conflict in mm/secretmem.c
No functionality changed.

Link: https://lkml.kernel.org/r/20210408140027.60623-1-lujialin4@huawei.com
Signed-off-by: Lu Jialin <lujialin4@huawei.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2021-05-07 00:26:35 -07:00
Ingo Molnar
f0953a1bba mm: fix typos in comments
Fix ~94 single-word typos in locking code comments, plus a few
very obvious grammar mistakes.

Link: https://lkml.kernel.org/r/20210322212624.GA1963421@gmail.com
Link: https://lore.kernel.org/r/20210322205203.GB1959563@gmail.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Reviewed-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Bhaskar Chowdhury <unixbhaskar@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2021-05-07 00:26:35 -07:00
Masahiro Yamada
fa60ce2cb4 treewide: remove editor modelines and cruft
The section "19) Editor modelines and other cruft" in
Documentation/process/coding-style.rst clearly says, "Do not include any
of these in source files."

I recently receive a patch to explicitly add a new one.

Let's do treewide cleanups, otherwise some people follow the existing code
and attempt to upstream their favoriate editor setups.

It is even nicer if scripts/checkpatch.pl can check it.

If we like to impose coding style in an editor-independent manner, I think
editorconfig (patch [1]) is a saner solution.

[1] https://lore.kernel.org/lkml/20200703073143.423557-1-danny@kdrag0n.dev/

Link: https://lkml.kernel.org/r/20210324054457.1477489-1-masahiroy@kernel.org
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Acked-by: Geert Uytterhoeven <geert@linux-m68k.org>
Reviewed-by: Miguel Ojeda <ojeda@kernel.org>	[auxdisplay]
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2021-05-07 00:26:34 -07:00
Bhaskar Chowdhury
7497835f7e ipc/sem.c: spelling fix
s/purpuse/purpose/

Link: https://lkml.kernel.org/r/20210319221432.26631-1-unixbhaskar@gmail.com
Signed-off-by: Bhaskar Chowdhury <unixbhaskar@gmail.com>
Acked-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2021-05-07 00:26:34 -07:00
dingsenjie
a109ae2a02 fs: fat: fix spelling typo of values
vaules -> values

Link: https://lkml.kernel.org/r/20210302034817.30384-1-dingsenjie@163.com
Signed-off-by: dingsenjie <dingsenjie@yulong.com>
Acked-by: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2021-05-07 00:26:34 -07:00
Xiaofeng Cao
5afe69c2cc kernel/sys.c: fix typo
change 'infite'     to 'infinite'
change 'concurent'  to 'concurrent'
change 'memvers'    to 'members'
change 'decendants' to 'descendants'
change 'argumets'   to 'arguments'

Link: https://lkml.kernel.org/r/20210316112904.10661-1-cxfcosmos@gmail.com
Signed-off-by: Xiaofeng Cao <caoxiaofeng@yulong.com>
Acked-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2021-05-07 00:26:34 -07:00
Bhaskar Chowdhury
f0fffaff0b kernel/up.c: fix typo
s/condtions/conditions/

Link: https://lkml.kernel.org/r/20210317032732.3260835-1-unixbhaskar@gmail.com
Signed-off-by: Bhaskar Chowdhury <unixbhaskar@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2021-05-07 00:26:34 -07:00