Before this patch, functions gfs2_qa_get and _put used the i_rw_mutex to
prevent simultaneous access to its i_qadata. But i_rw_mutex is now used
for many other things, including iomap_begin and end, which causes a
conflict according to lockdep. We cannot just remove the lock since
simultaneous opens (gfs2_open -> gfs2_open_common -> gfs2_qa_get) can
then stomp on each others values for i_qadata.

This patch solves the conflict by using the i_lock spin_lock in the inode
to prevent simultaneous access.

Signed-off-by: Bob Peterson <rpeterso@redhat.com>
Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>

The bug that 27ca8273

 ("gfs2: Make sure FITRIM minlen is rounded up to
fs block size") fixes was a little confusing as the user saw
"Input/output error" which masked the -EINVAL that sb_issue_discard()
returned.

sb_issue_discard() can fail for various reasons, so we should return its
return value from gfs2_rgrp_send_discards() to avoid all errors being
reported as IO errors.

This improves error reporting for FITRIM and makes no difference to the
-o discard code path because the return value from
gfs2_rgrp_send_discards() gets thrown away in that case (and the option
switches off). Presumably that's why it was ok to just return -EIO in
the past, before FITRIM was implemented.

Tested with xfstests.

Signed-off-by: Andrew Price <anprice@redhat.com>
Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>

Clang's structure layout randomization feature gets upset when it sees
struct address_space (which is randomized) cast to struct gfs2_glock.
This is due to seeing the mapping pointer as being treated as an array
of gfs2_glock, rather than "something else, before struct address_space":

In file included from fs/gfs2/acl.c:23:
fs/gfs2/meta_io.h:44:12: error: casting from randomized structure pointer type 'struct address_space *' to 'struct gfs2_glock *'
	return (((struct gfs2_glock *)mapping) - 1)->gl_name.ln_sbd;
		^

Replace the instances of open-coded pointer math with container_of()
usage, and update the allocator to match.

Some cleanups and conversion of gfs2_glock_get() and
gfs2_glock_dealloc() by Andreas.

Reported-by: kernel test robot <lkp@intel.com>
Link: https://lore.kernel.org/lkml/202205041550.naKxwCBj-lkp@intel.com


Cc: Bob Peterson <rpeterso@redhat.com>
Cc: Andreas Gruenbacher <agruenba@redhat.com>
Cc: Bill Wendling <morbo@google.com>
Cc: cluster-devel@redhat.com
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>

Add some comments explaining the oddities of partial direct I/O reads
and writes.

Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>

To move the list iterator variable into the list_for_each_entry_*()
macro in the future it should be avoided to use the list iterator
variable after the loop body.

To *never* use the list iterator variable after the loop it was
concluded to use a separate iterator variable instead of a
found boolean [1].

This removes the need to use a found variable and simply checking if
the variable was set, can determine if the break/goto was hit.

Link: https://lore.kernel.org/all/CAHk-=wgRr_D8CB-D9Kg-c=EHreAsk5SqXPwr9Y7k9sA6cWXJ6w@mail.gmail.com/

 [1]
Signed-off-by: Jakob Koschel <jakobkoschel@gmail.com>
Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>

Pull gfs2 fixes from Andreas Gruenbacher:
 "We've finally identified commit dc732906 ("gfs2: Introduce flag
  for glock holder auto-demotion") to be the other cause of the
  filesystem corruption we've been seeing. This feature isn't strictly
  necessary anymore, so we've decided to stop using it for now.

  With this and the gfs_iomap_end rounding fix you've already seen
  ("gfs2: Fix filesystem block deallocation for short writes" in this
  pull request), we're corruption free again now.

   - Fix filesystem block deallocation for short writes.

   - Stop using glock holder auto-demotion for now.

   - Get rid of buffered writes inefficiencies due to page faults being
     disabled.

   - Minor other cleanups"

* tag 'gfs2-v5.18-rc4-fix3' of git://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2:
  gfs2: Stop using glock holder auto-demotion for now
  gfs2: buffered write prefaulting
  gfs2: Align read and write chunks to the page cache
  gfs2: Pull return value test out of should_fault_in_pages
  gfs2: Clean up use of fault_in_iov_iter_{read,write}able
  gfs2: Variable rename
  gfs2: Fix filesystem block deallocation for short writes

We're having unresolved issues with the glock holder auto-demotion mechanism
introduced in commit dc732906.  This mechanism was assumed to be essential
for avoiding frequent short reads and writes until commit 296abc0d


("gfs2: No short reads or writes upon glock contention").  Since then,
when the inode glock is lost, it is simply re-acquired and the operation
is resumed.  This means that apart from the performance penalty, we
might as well drop the inode glock before faulting in pages, and
re-acquire it afterwards.

Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>

In gfs2_file_buffered_write, to increase the likelihood that all the
user memory we're trying to write will be resident in memory, carry out
the write in chunks and fault in each chunk of user memory before trying
to write it.  Otherwise, some workloads will trigger frequent short
"internal" writes, causing filesystem blocks to be allocated and then
partially deallocated again when writing into holes, which is wasteful
and breaks reservations.

Neither the chunked writes nor any of the short "internal" writes are
user visible.

Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>

Pull SCSI fixes from James Bottomley:
 "Four fixes, all in drivers.

  These patches mosly fix error legs and exceptional conditions
  (scsi_dh_alua, qla2xxx). The lpfc fixes are for coding issues with
  lpfc features"

* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
  scsi: lpfc: Correct BDE DMA address assignment for GEN_REQ_WQE
  scsi: lpfc: Fix split code for FLOGI on FCoE
  scsi: qla2xxx: Fix missed DMA unmap for aborted commands
  scsi: scsi_dh_alua: Properly handle the ALUA transitioning state

Align the chunks that reads and writes are carried out in to the page
cache rather than the user buffers.  This will be more efficient in
general, especially for allocating writes.  Optimizing the case that the
user buffer is gfs2 backed isn't very useful; we only need to make sure
we won't deadlock.

Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>

Pull the return value test of the previous read or write operation out
of should_fault_in_pages().  In a following patch, we'll fault in pages
before the I/O and there will be no return value to check.

Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>

No need to store the return value of the fault_in functions in separate
variables.

Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>

Instead of counting the number of bytes read from the filesystem,
functions gfs2_file_direct_read and gfs2_file_read_iter count the number
of bytes written into the user buffer.  Conversely, functions
gfs2_file_direct_write and gfs2_file_buffered_write count the number of
bytes read from the user buffer.  This is nothing but confusing, so
change the read functions to count how many bytes they have read, and
the write functions to count how many bytes they have written.

Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>

When a write cannot be carried out in full, gfs2_iomap_end() releases
blocks that have been allocated for this write but haven't been used.

To compute the end of the allocation, gfs2_iomap_end() incorrectly
rounded the end of the attempted write down to the next block boundary
to arrive at the end of the allocation.  It would have to round up, but
the end of the allocation is also available as iomap->offset +
iomap->length, so just use that instead.

In addition, use round_up() for computing the start of the unused range.

Fixes: 64bc06bb

 ("gfs2: iomap buffered write support")
Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>

Pull ceph fix from Ilya Dryomov:
 "Two fixes to properly maintain xattrs on async creates and thus
  preserve SELinux context on newly created files and to avoid improper
  usage of folio->private field which triggered BUG_ONs.

  Both marked for stable"

* tag 'ceph-for-5.18-rc7' of https://github.com/ceph/ceph-client:
  ceph: check folio PG_private bit instead of folio->private
  ceph: fix setting of xattrs on async created inodes

Pull NFS client bugfixes from Trond Myklebust:
 "One more pull request. There was a bug in the fix to ensure that gss-
  proxy continues to work correctly after we fixed the AF_LOCAL socket
  leak in the RPC code. This therefore reverts that broken patch, and
  replaces it with one that works correctly.

  Stable fixes:

   - SUNRPC: Ensure that the gssproxy client can start in a connected
     state

  Bugfixes:

   - Revert "SUNRPC: Ensure gss-proxy connects on setup"

   - nfs: fix broken handling of the softreval mount option"

* tag 'nfs-for-5.18-4' of git://git.linux-nfs.org/projects/trondmy/linux-nfs:
  nfs: fix broken handling of the softreval mount option
  SUNRPC: Ensure that the gssproxy client can start in a connected state
  Revert "SUNRPC: Ensure gss-proxy connects on setup"

Pull misc fixes from Andrew Morton:
 "Seven MM fixes, three of which address issues added in the most recent
  merge window, four of which are cc:stable.

  Three non-MM fixes, none very serious"

[ And yes, that's a real pull request from Andrew, not me creating a
  branch from emailed patches. Woo-hoo! ]

* tag 'mm-hotfixes-stable-2022-05-11' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm:
  MAINTAINERS: add a mailing list for DAMON development
  selftests: vm: Makefile: rename TARGETS to VMTARGETS
  mm/kfence: reset PG_slab and memcg_data before freeing __kfence_pool
  mailmap: add entry for martyna.szapar-mudlaw@intel.com
  arm[64]/memremap: don't abuse pfn_valid() to ensure presence of linear map
  procfs: prevent unprivileged processes accessing fdinfo dir
  mm: mremap: fix sign for EFAULT error return value
  mm/hwpoison: use pr_err() instead of dump_page() in get_any_page()
  mm/huge_memory: do not overkill when splitting huge_zero_page
  Revert "mm/memory-failure.c: skip huge_zero_page in memory_failure()"

Pull arm64 fixes from Will Deacon:

 - TLB invalidation workaround for Qualcomm Kryo-4xx "gold" CPUs

 - Fix broken dependency in the vDSO Makefile

 - Fix pointer authentication overrides in ISAR2 ID register

* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
  arm64: Enable repeat tlbi workaround on KRYO4XX gold CPUs
  arm64: cpufeature: remove duplicate ID_AA64ISAR2_EL1 entry
  arm64: vdso: fix makefile dependency on vdso.so

Merge tag 'hwmon-for-v5.18-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging

Pull hwmon fixes from Guenter Roeck:

 - Restrict ltq-cputemp to SOC_XWAY to fix build failure

 - Add OF device ID table to tmp401 driver to enable auto-load

* tag 'hwmon-for-v5.18-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging:
  hwmon: (ltq-cputemp) restrict it to SOC_XWAY
  hwmon: (tmp401) Add OF device ID table

Pull drm fixes from Dave Airlie:
 "Pretty quiet week on the fixes front, 4 amdgpu and one i915 fix.

  I think there might be a few misc fbdev ones outstanding, but I'll see
  if they are necessary and pass them on if so.

  amdgpu:

   - Disable ASPM for VI boards on ADL platforms

   - S0ix DCN3.1 display fix

   - Resume regression fix

   - Stable pstate fix

  i915:

   - fix for kernel memory corruption when running a lot of OpenCL tests
     in parallel"

* tag 'drm-fixes-2022-05-13' of git://anongit.freedesktop.org/drm/drm:
  drm/amdgpu/ctx: only reset stable pstate if the user changed it (v2)
  Revert "drm/amd/pm: keep the BACO feature enabled for suspend"
  drm/i915: Fix race in __i915_vma_remove_closed
  drm/amd/display: undo clearing of z10 related function pointers
  drm/amdgpu: vi: disable ASPM on Intel Alder Lake based systems

Merge tag 'amd-drm-fixes-5.18-2022-05-11' of https://gitlab.freedesktop.org/agd5f/linux

 into drm-fixes

amd-drm-fixes-5.18-2022-05-11:

amdgpu:
- Disable ASPM for VI boards on ADL platforms
- S0ix DCN3.1 display fix
- Resume regression fix
- Stable pstate fix

Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Alex Deucher <alexander.deucher@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220511174422.5769-1-alexander.deucher@amd.com

Merge tag 'drm-intel-fixes-2022-05-12' of git://anongit.freedesktop.org/drm/drm-intel

 into drm-fixes

Fix for #5732: (Cc stable) kernel memory corruption when running a lot of OpenCL tests in parallel

Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/YnykW6L4e7vD3yl3@jlahtine-mobl.ger.corp.intel.com

Pull networking fixes from Jakub Kicinski:
 "Including fixes from wireless, and bluetooth.

  No outstanding fires.

  Current release - regressions:

   - eth: atlantic: always deep reset on pm op, fix null-deref

  Current release - new code bugs:

   - rds: use maybe_get_net() when acquiring refcount on TCP sockets
     [refinement of a previous fix]

   - eth: ocelot: mark traps with a bool instead of guessing type based
     on list membership

  Previous releases - regressions:

   - net: fix skipping features in for_each_netdev_feature()

   - phy: micrel: fix null-derefs on suspend/resume and probe

   - bcmgenet: check for Wake-on-LAN interrupt probe deferral

  Previous releases - always broken:

   - ipv4: drop dst in multicast routing path, prevent leaks

   - ping: fix address binding wrt vrf

   - net: fix wrong network header length when BPF protocol translation
     is used on skbs with a fraglist

   - bluetooth: fix the creation of hdev->name

   - rfkill: uapi: fix RFKILL_IOCTL_MAX_SIZE ioctl request definition

   - wifi: iwlwifi: iwl-dbg: use del_timer_sync() before freeing

   - wifi: ath11k: reduce the wait time of 11d scan and hw scan while
     adding an interface

   - mac80211: fix rx reordering with non explicit / psmp ack policy

   - mac80211: reset MBSSID parameters upon connection

   - nl80211: fix races in nl80211_set_tx_bitrate_mask()

   - tls: fix context leak on tls_device_down

   - sched: act_pedit: really ensure the skb is writable

   - batman-adv: don't skb_split skbuffs with frag_list

   - eth: ocelot: fix various issues with TC actions (null-deref; bad
     stats; ineffective drops; ineffective filter removal)"

* tag 'net-5.18-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (61 commits)
  tls: Fix context leak on tls_device_down
  net: sfc: ef10: fix memory leak in efx_ef10_mtd_probe()
  net/smc: non blocking recvmsg() return -EAGAIN when no data and signal_pending
  net: dsa: bcm_sf2: Fix Wake-on-LAN with mac_link_down()
  mlxsw: Avoid warning during ip6gre device removal
  net: bcmgenet: Check for Wake-on-LAN interrupt probe deferral
  net: ethernet: mediatek: ppe: fix wrong size passed to memset()
  Bluetooth: Fix the creation of hdev->name
  i40e: i40e_main: fix a missing check on list iterator
  net/sched: act_pedit: really ensure the skb is writable
  s390/lcs: fix variable dereferenced before check
  s390/ctcm: fix potential memory leak
  s390/ctcm: fix variable dereferenced before check
  net: atlantic: verify hw_head_ lies within TX buffer ring
  net: atlantic: add check for MAX_SKB_FRAGS
  net: atlantic: reduce scope of is_rsc_complete
  net: atlantic: fix "frag[0] not initialized"
  net: stmmac: fix missing pci_disable_device() on error in stmmac_pci_probe()
  net: phy: micrel: Fix incorrect variable type in micrel
  decnet: Use container_of() for struct dn_neigh casts
  ...

Pull cgroup fix from Tejun Heo:
 "Waiman's fix for a cgroup2 cpuset bug where it could miss nodes which
  were hot-added"

* 'for-5.18-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup:
  cgroup/cpuset: Remove cpus_allowed/mems_allowed setup in cpuset_init_smp()

Pull fs fixes from Jan Kara:
 "Three fixes that I'd still like to get to 5.18:

   - add a missing sanity check in the fanotify FAN_RENAME feature
     (added in 5.17, let's fix it before it gets wider usage in
     userspace)

   - udf fix for recently introduced filesystem corruption issue

   - writeback fix for a race in inode list handling that can lead to
     delayed writeback and possible dirty throttling stalls"

* tag 'fixes_for_v5.18-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs:
  udf: Avoid using stale lengthOfImpUse
  writeback: Avoid skipping inode writeback
  fanotify: do not allow setting dirent events in mask of non-dir

The commit cited below claims to fix a use-after-free condition after
tls_device_down. Apparently, the description wasn't fully accurate. The
context stayed alive, but ctx->netdev became NULL, and the offload was
torn down without a proper fallback, so a bug was present, but a
different kind of bug.

Due to misunderstanding of the issue, the original patch dropped the
refcount_dec_and_test line for the context to avoid the alleged
premature deallocation. That line has to be restored, because it matches
the refcount_inc_not_zero from the same function, otherwise the contexts
that survived tls_device_down are leaked.

This patch fixes the described issue by restoring refcount_dec_and_test.
After this change, there is no leak anymore, and the fallback to
software kTLS still works.

Fixes: c55dcdd4

 ("net/tls: Fix use-after-free after the TLS device goes down and up")
Signed-off-by: Maxim Mikityanskiy <maximmi@nvidia.com>
Reviewed-by: Tariq Toukan <tariqt@nvidia.com>
Link: https://lore.kernel.org/r/20220512091830.678684-1-maximmi@nvidia.com


Signed-off-by: Jakub Kicinski <kuba@kernel.org>

In the NIC ->probe() callback, ->mtd_probe() callback is called.
If NIC has 2 ports, ->probe() is called twice and ->mtd_probe() too.
In the ->mtd_probe(), which is efx_ef10_mtd_probe() it allocates and
initializes mtd partiion.
But mtd partition for sfc is shared data.
So that allocated mtd partition data from last called
efx_ef10_mtd_probe() will not be used.
Therefore it must be freed.
But it doesn't free a not used mtd partition data in efx_ef10_mtd_probe().

kmemleak reports:
unreferenced object 0xffff88811ddb0000 (size 63168):
  comm "systemd-udevd", pid 265, jiffies 4294681048 (age 348.586s)
  hex dump (first 32 bytes):
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
  backtrace:
    [<ffffffffa3767749>] kmalloc_order_trace+0x19/0x120
    [<ffffffffa3873f0e>] __kmalloc+0x20e/0x250
    [<ffffffffc041389f>] efx_ef10_mtd_probe+0x11f/0x270 [sfc]
    [<ffffffffc0484c8a>] efx_pci_probe.cold.17+0x3df/0x53d [sfc]
    [<ffffffffa414192c>] local_pci_probe+0xdc/0x170
    [<ffffffffa4145df5>] pci_device_probe+0x235/0x680
    [<ffffffffa443dd52>] really_probe+0x1c2/0x8f0
    [<ffffffffa443e72b>] __driver_probe_device+0x2ab/0x460
    [<ffffffffa443e92a>] driver_probe_device+0x4a/0x120
    [<ffffffffa443f2ae>] __driver_attach+0x16e/0x320
    [<ffffffffa4437a90>] bus_for_each_dev+0x110/0x190
    [<ffffffffa443b75e>] bus_add_driver+0x39e/0x560
    [<ffffffffa4440b1e>] driver_register+0x18e/0x310
    [<ffffffffc02e2055>] 0xffffffffc02e2055
    [<ffffffffa3001af3>] do_one_initcall+0xc3/0x450
    [<ffffffffa33ca574>] do_init_module+0x1b4/0x700

Acked-by: Martin Habets <habetsm.xilinx@gmail.com>
Fixes: 8127d661

 ("sfc: Add support for Solarflare SFC9100 family")
Signed-off-by: Taehee Yoo <ap420073@gmail.com>
Link: https://lore.kernel.org/r/20220512054709.12513-1-ap420073@gmail.com


Signed-off-by: Jakub Kicinski <kuba@kernel.org>

Non blocking sendmsg will return -EAGAIN when any signal pending
and no send space left, while non blocking recvmsg return -EINTR
when signal pending and no data received. This may makes confused.
As TCP returns -EAGAIN in the conditions described above. Align the
behavior of smc with TCP.

Fixes: 846e344e

 ("net/smc: add receive timeout check")
Signed-off-by: Guangguan Wang <guangguan.wang@linux.alibaba.com>
Reviewed-by: Tony Lu <tonylu@linux.alibaba.com>
Acked-by: Karsten Graul <kgraul@linux.ibm.com>
Link: https://lore.kernel.org/r/20220512030820.73848-1-guangguan.wang@linux.alibaba.com


Signed-off-by: Jakub Kicinski <kuba@kernel.org>

After commit 2d1f90f9 ("net: dsa/bcm_sf2: fix incorrect usage of
state->link") the interface suspend path would call our mac_link_down()
call back which would forcibly set the link down, thus preventing
Wake-on-LAN packets from reaching our management port.

Fix this by looking at whether the port is enabled for Wake-on-LAN and
not clearing the link status in that case to let packets go through.

Fixes: 2d1f90f9

 ("net: dsa/bcm_sf2: fix incorrect usage of state->link")
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Link: https://lore.kernel.org/r/20220512021731.2494261-1-f.fainelli@gmail.com


Signed-off-by: Jakub Kicinski <kuba@kernel.org>

Add KRYO4XX gold/big cores to the list of CPUs that need the
repeat TLBI workaround. Apply this to the affected
KRYO4XX cores (rcpe to rfpe).

The variant and revision bits are implementation defined and are
different from the their Cortex CPU counterparts on which they are
based on, i.e., (r0p0 to r3p0) is equivalent to (rcpe to rfpe).

Signed-off-by: Shreyas K K <quic_shrekk@quicinc.com>
Reviewed-by: Sai Prakash Ranjan <quic_saipraka@quicinc.com>
Link: https://lore.kernel.org/r/20220512110134.12179-1-quic_shrekk@quicinc.com


Signed-off-by: Will Deacon <will@kernel.org>

IPv6 addresses which are used for tunnels are stored in a hash table
with reference counting. When a new GRE tunnel is configured, the driver
is notified and configures it in hardware.

Currently, any change in the tunnel is not applied in the driver. It
means that if the remote address is changed, the driver is not aware of
this change and the first address will be used.

This behavior results in a warning [1] in scenarios such as the
following:

 # ip link add name gre1 type ip6gre local 2000::3 remote 2000::fffe tos inherit ttl inherit
 # ip link set name gre1 type ip6gre local 2000::3 remote 2000::ffff ttl inherit
 # ip link delete gre1

The change of the address is not applied in the driver. Currently, the
driver uses the remote address which is stored in the 'parms' of the
overlay device. When the tunnel is removed, the new IPv6 address is
used, the driver tries to release it, but as it is not aware of the
change, this address is not configured and it warns about releasing non
existing IPv6 address.

Fix it by using the IPv6 address which is cached in the IPIP entry, this
address is the last one that the driver used, so even in cases such the
above, the first address will be released, without any warning.

[1]:

WARNING: CPU: 1 PID: 2197 at drivers/net/ethernet/mellanox/mlxsw/spectrum.c:2920 mlxsw_sp_ipv6_addr_put+0x146/0x220 [mlxsw_spectrum]
...
CPU: 1 PID: 2197 Comm: ip Not tainted 5.17.0-rc8-custom-95062-gc1e5ded51a9a #84
Hardware name: Mellanox Technologies Ltd. MSN4700/VMOD0010, BIOS 5.11 07/12/2021
RIP: 0010:mlxsw_sp_ipv6_addr_put+0x146/0x220 [mlxsw_spectrum]
...
Call Trace:
 <TASK>
 mlxsw_sp2_ipip_rem_addr_unset_gre6+0xf1/0x120 [mlxsw_spectrum]
 mlxsw_sp_netdevice_ipip_ol_event+0xdb/0x640 [mlxsw_spectrum]
 mlxsw_sp_netdevice_event+0xc4/0x850 [mlxsw_spectrum]
 raw_notifier_call_chain+0x3c/0x50
 call_netdevice_notifiers_info+0x2f/0x80
 unregister_netdevice_many+0x311/0x6d0
 rtnl_dellink+0x136/0x360
 rtnetlink_rcv_msg+0x12f/0x380
 netlink_rcv_skb+0x49/0xf0
 netlink_unicast+0x233/0x340
 netlink_sendmsg+0x202/0x440
 ____sys_sendmsg+0x1f3/0x220
 ___sys_sendmsg+0x70/0xb0
 __sys_sendmsg+0x54/0xa0
 do_syscall_64+0x35/0x80
 entry_SYSCALL_64_after_hwframe+0x44/0xae

Fixes: e846efe2

 ("mlxsw: spectrum: Add hash table for IPv6 address mapping")
Reported-by: Maksym Yaremchuk <maksymy@nvidia.com>
Signed-off-by: Amit Cohen <amcohen@nvidia.com>
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Link: https://lore.kernel.org/r/20220511115747.238602-1-idosch@nvidia.com


Signed-off-by: Paolo Abeni <pabeni@redhat.com>

The ID register table should have one entry per ID register but
currently has two entries for ID_AA64ISAR2_EL1. Only one entry has an
override, and get_arm64_ftr_reg() can end up choosing the other, causing
the override to be ignored. Fix this by removing the duplicate entry.

While here, also make the check in sort_ftr_regs() more strict so that
duplicate entries can't be added in the future.

Fixes: def8c222

 ("arm64: Add support of PAuth QARMA3 architected algorithm")
Signed-off-by: Kristina Martsenko <kristina.martsenko@arm.com>
Reviewed-by: Vladimir Murzin <vladimir.murzin@arm.com>
Reviewed-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Link: https://lore.kernel.org/r/20220511162030.1403386-1-kristina.martsenko@arm.com


Signed-off-by: Will Deacon <will@kernel.org>

The interrupt controller supplying the Wake-on-LAN interrupt line maybe
modular on some platforms (irq-bcm7038-l1.c) and might be probed at a
later time than the GENET driver. We need to specifically check for
-EPROBE_DEFER and propagate that error to ensure that we eventually
fetch the interrupt descriptor.

Fixes: 9deb48b5 ("bcmgenet: add WOL IRQ check")
Fixes: 5b1f0e62

 ("net: bcmgenet: Avoid touching non-existent interrupt")
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Reviewed-by: Stefan Wahren <stefan.wahren@i2se.com>
Link: https://lore.kernel.org/r/20220511031752.2245566-1-f.fainelli@gmail.com


Signed-off-by: Paolo Abeni <pabeni@redhat.com>

'foe_table' is a pointer, the real size of struct mtk_foe_entry
should be pass to memset().

Fixes: ba37b7ca

 ("net: ethernet: mtk_eth_soc: add support for initializing the PPE")
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Acked-by: Felix Fietkau <nbd@nbd.name>
Link: https://lore.kernel.org/r/20220511030829.3308094-1-yangyingliang@huawei.com


Signed-off-by: Paolo Abeni <pabeni@redhat.com>

Luiz Augusto von Dentz says:

====================
bluetooth pull request for net:

 - Fix the creation of hdev->name when index is greater than 9999

* tag 'for-net-2022-05-11' of git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth:
  Bluetooth: Fix the creation of hdev->name
====================

Link: https://lore.kernel.org/r/20220512002901.823647-1-luiz.dentz@gmail.com


Signed-off-by: Jakub Kicinski <kuba@kernel.org>

Kalle Valo says:

====================
wireless fixes for v5.18

Second set of fixes for v5.18 and hopefully the last one. We have a
new iwlwifi maintainer, a fix to rfkill ioctl interface and important
fixes to both stack and two drivers.

* tag 'wireless-2022-05-11' of git://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless:
  rfkill: uapi: fix RFKILL_IOCTL_MAX_SIZE ioctl request definition
  nl80211: fix locking in nl80211_set_tx_bitrate_mask()
  mac80211_hwsim: call ieee80211_tx_prepare_skb under RCU protection
  mac80211_hwsim: fix RCU protected chanctx access
  mailmap: update Kalle Valo's email
  mac80211: Reset MBSSID parameters upon connection
  cfg80211: retrieve S1G operating channel number
  nl80211: validate S1G channel width
  mac80211: fix rx reordering with non explicit / psmp ack policy
  ath11k: reduce the wait time of 11d scan and hw scan while add interface
  MAINTAINERS: update iwlwifi driver maintainer
  iwlwifi: iwl-dbg: Use del_timer_sync() before freeing
====================

Link: https://lore.kernel.org/r/20220511154535.A1A12C340EE@smtp.kernel.org


Signed-off-by: Jakub Kicinski <kuba@kernel.org>

Set a size limit of 8 bytes of the written buffer to "hdev->name"
including the terminating null byte, as the size of "hdev->name" is 8
bytes. If an id value which is greater than 9999 is allocated,
then the "snprintf(hdev->name, sizeof(hdev->name), "hci%d", id)"
function call would lead to a truncation of the id value in decimal
notation.

Set an explicit maximum id parameter in the id allocation function call.
The id allocation function defines the maximum allocated id value as the
maximum id parameter value minus one. Therefore, HCI_MAX_ID is defined
as 10000.

Signed-off-by: Itay Iellin <ieitayie@gmail.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>

The bug is here:
	ret = i40e_add_macvlan_filter(hw, ch->seid, vdev->dev_addr, &aq_err);

The list iterator 'ch' will point to a bogus position containing
HEAD if the list is empty or no element is found. This case must
be checked before any use of the iterator, otherwise it will
lead to a invalid memory access.

To fix this bug, use a new variable 'iter' as the list iterator,
while use the origin variable 'ch' as a dedicated pointer to
point to the found element.

Cc: stable@vger.kernel.org
Fixes: 1d8d80b4

 ("i40e: Add macvlan support on i40e")
Signed-off-by: Xiaomeng Tong <xiam0nd.tong@gmail.com>
Tested-by: Gurucharan <gurucharanx.g@intel.com> (A Contingent worker at Intel)
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Link: https://lore.kernel.org/r/20220510204846.2166999-1-anthony.l.nguyen@intel.com


Signed-off-by: Jakub Kicinski <kuba@kernel.org>

Currently pedit tries to ensure that the accessed skb offset
is writable via skb_unclone(). The action potentially allows
touching any skb bytes, so it may end-up modifying shared data.

The above causes some sporadic MPTCP self-test failures, due to
this code:

	tc -n $ns2 filter add dev ns2eth$i egress \
		protocol ip prio 1000 \
		handle 42 fw \
		action pedit munge offset 148 u8 invert \
		pipe csum tcp \
		index 100

The above modifies a data byte outside the skb head and the skb is
a cloned one, carrying a TCP output packet.

This change addresses the issue by keeping track of a rough
over-estimate highest skb offset accessed by the action and ensuring
such offset is really writable.

Note that this may cause performance regressions in some scenarios,
but hopefully pedit is not in the critical path.

Fixes: db2c2417

 ("act_pedit: access skb->data safely")
Acked-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Tested-by: Geliang Tang <geliang.tang@suse.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Acked-by: Jamal Hadi Salim <jhs@mojatatu.com>
Link: https://lore.kernel.org/r/1fcf78e6679d0a287dd61bb0f04730ce33b3255d.1652194627.git.pabeni@redhat.com


Signed-off-by: Jakub Kicinski <kuba@kernel.org>

Check if the requested stable pstate matches the current one before
changing it.  This avoids changing the stable pstate on context
destroy if the user never changed it in the first place via the
IOCTL.

v2: compare the current and requested rather than setting a flag (Lijo)

Fixes: 8cda7a4f

 ("drm/amdgpu/UAPI: add new CTX OP to get/set stable pstates")
Reviewed-by: Lijo Lazar <lijo.lazar@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org