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Commit 49725ffc15fc ("net: stmmac: power up/down serdes in
stmmac_open/release") correctly added a call to the serdes_powerdown()
callback to stmmac_release() but did not remove the one from
stmmac_remove() which leads to a doubled call to serdes_powerdown().
This can lead to all kinds of problems: in the case of the qcom ethqos
driver, it caused an unbalanced regulator disable splat.
Fixes: 49725ffc15fc ("net: stmmac: power up/down serdes in stmmac_open/release")
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Acked-by: Junxiao Chang <junxiao.chang@intel.com>
Reviewed-by: Andrew Halaney <ahalaney@redhat.com>
Tested-by: Andrew Halaney <ahalaney@redhat.com>
Link: https://lore.kernel.org/r/20230621135537.376649-1-brgl@bgdev.pl
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Update email addresses of Marvell octeon_ep driver maintainers.
Also remove a former maintainer.
As a maintainer below are the responsibilities:
- Pushing the bug fixes and new features to upstream.
- Responsible for reviewing the external changes
submitted for the octeon_ep driver.
- Reply to maintainers questions in a timely manner.
Signed-off-by: Sathesh Edara <sedara@marvell.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The Devicetree bindings should be picked up by subsystem maintainers,
but respective pattern for Bluetooth drivers was missing.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Simon Horman <simon.horman@corigine.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
mptcp and netfilter.
Current release - regressions:
- netfilter: add NFT_TRANS_PREPARE_ERROR to deal with bound set/chain
- eth: mlx5e:
- fix scheduling of IPsec ASO query while in atomic
- free IRQ rmap and notifier on kernel shutdown
Current release - new code bugs:
- phy: manual remove LEDs to ensure correct ordering
Previous releases - regressions:
- mptcp: fix possible divide by zero in recvmsg()
- dsa: revert "net: phy: dp83867: perform soft reset and retain established link"
Previous releases - always broken:
- sched: netem: acquire qdisc lock in netem_change()
- bpf:
- fix verifier id tracking of scalars on spill
- fix NULL dereference on exceptions
- accept function names that contain dots
- netfilter: disallow element updates of bound anonymous sets
- mptcp: ensure listener is unhashed before updating the sk status
- xfrm:
- add missed call to delete offloaded policies
- fix inbound ipv4/udp/esp packets to UDPv6 dualstack sockets
- selftests: fixes for FIPS mode
- dsa: mt7530: fix multiple CPU ports, BPDU and LLDP handling
- eth: sfc: use budget for TX completions
Misc:
- wifi: iwlwifi: add support for SO-F device with PCI id 0x7AF0
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Merge tag 'net-6.4-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Paolo Abeni:
"Including fixes from ipsec, bpf, mptcp and netfilter.
Current release - regressions:
- netfilter: add NFT_TRANS_PREPARE_ERROR to deal with bound set/chain
- eth: mlx5e:
- fix scheduling of IPsec ASO query while in atomic
- free IRQ rmap and notifier on kernel shutdown
Current release - new code bugs:
- phy: manual remove LEDs to ensure correct ordering
Previous releases - regressions:
- mptcp: fix possible divide by zero in recvmsg()
- dsa: revert "net: phy: dp83867: perform soft reset and retain
established link"
Previous releases - always broken:
- sched: netem: acquire qdisc lock in netem_change()
- bpf:
- fix verifier id tracking of scalars on spill
- fix NULL dereference on exceptions
- accept function names that contain dots
- netfilter: disallow element updates of bound anonymous sets
- mptcp: ensure listener is unhashed before updating the sk status
- xfrm:
- add missed call to delete offloaded policies
- fix inbound ipv4/udp/esp packets to UDPv6 dualstack sockets
- selftests: fixes for FIPS mode
- dsa: mt7530: fix multiple CPU ports, BPDU and LLDP handling
- eth: sfc: use budget for TX completions
Misc:
- wifi: iwlwifi: add support for SO-F device with PCI id 0x7AF0"
* tag 'net-6.4-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (74 commits)
revert "net: align SO_RCVMARK required privileges with SO_MARK"
net: wwan: iosm: Convert single instance struct member to flexible array
sch_netem: acquire qdisc lock in netem_change()
selftests: forwarding: Fix race condition in mirror installation
wifi: mac80211: report all unusable beacon frames
mptcp: ensure listener is unhashed before updating the sk status
mptcp: drop legacy code around RX EOF
mptcp: consolidate fallback and non fallback state machine
mptcp: fix possible list corruption on passive MPJ
mptcp: fix possible divide by zero in recvmsg()
mptcp: handle correctly disconnect() failures
bpf: Force kprobe multi expected_attach_type for kprobe_multi link
bpf/btf: Accept function names that contain dots
Revert "net: phy: dp83867: perform soft reset and retain established link"
net: mdio: fix the wrong parameters
netfilter: nf_tables: Fix for deleting base chains with payload
netfilter: nfnetlink_osf: fix module autoload
netfilter: nf_tables: drop module reference after updating chain
netfilter: nf_tables: disallow timeout for anonymous sets
netfilter: nf_tables: disallow updates of anonymous sets
...
* Correctly save/restore PMUSERNR_EL0 when host userspace is using
PMU counters directly
* Fix GICv2 emulation on GICv3 after the locking rework
* Don't use smp_processor_id() in kvm_pmu_probe_armpmu(), and
document why
Generic:
* Avoid setting page table entries pointing to a deleted memslot if a
host page table entry is changed concurrently with the deletion.
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
Pull kvm fixes from Paolo Bonzini:
"ARM:
- Correctly save/restore PMUSERNR_EL0 when host userspace is using
PMU counters directly
- Fix GICv2 emulation on GICv3 after the locking rework
- Don't use smp_processor_id() in kvm_pmu_probe_armpmu(), and
document why
Generic:
- Avoid setting page table entries pointing to a deleted memslot if a
host page table entry is changed concurrently with the deletion"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
KVM: Avoid illegal stage2 mapping on invalid memory slot
KVM: arm64: Use raw_smp_processor_id() in kvm_pmu_probe_armpmu()
KVM: arm64: Restore GICv2-on-GICv3 functionality
KVM: arm64: PMU: Don't overwrite PMUSERENR with vcpu loaded
KVM: arm64: PMU: Restore the host's PMUSERENR_EL0
- Disable IRQs when switching mm in exit_lazy_flush_tlb() called from exit_mmap()
Thanks to: Nicholas Piggin, Sachin Sant.
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Merge tag 'powerpc-6.4-5' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
Pull powerpc fix from Michael Ellerman:
- Disable IRQs when switching mm in exit_lazy_flush_tlb() called from
exit_mmap()
Thanks to Nicholas Piggin and Sachin Sant.
* tag 'powerpc-6.4-5' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
powerpc/64s/radix: Fix exit lazy tlb mm switch with irqs enabled
One small fix for an AMD PMF driver issue which is causing issues
for users of just released AMD laptop models.
The following is an automated git shortlog grouped by driver:
platform/x86/amd/pmf:
- Register notify handler only if SPS is enabled
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Merge tag 'platform-drivers-x86-v6.4-5' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86
Pull x86 platform driver fix from Hans de Goede:
"One small fix for an AMD PMF driver issue which is causing issues for
users of just released AMD laptop models"
* tag 'platform-drivers-x86-v6.4-5' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86:
platform/x86/amd/pmf: Register notify handler only if SPS is enabled
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Merge tag 'io_uring-6.4-2023-06-21' of git://git.kernel.dk/linux
Pull io_uring fixes from Jens Axboe:
"A fix for a race condition with poll removal and linked timeouts, and
then a few followup fixes/tweaks for the msg_control patch from last
week.
Not super important, particularly the sparse fixup, as it was broken
before that recent commit. But let's get it sorted for real for this
release, rather than just have it broken a bit differently"
* tag 'io_uring-6.4-2023-06-21' of git://git.kernel.dk/linux:
io_uring/net: use the correct msghdr union member in io_sendmsg_copy_hdr
io_uring/net: disable partial retries for recvmsg with cmsg
io_uring/net: clear msg_controllen on partial sendmsg retry
io_uring/poll: serialize poll linked timer start with poll removal
It's late but here are two bug fixes. Both fix problems which can be severe
but are very confined in scope. The risk to most use cases should be
minimal.
* Fix for an old bug which triggers if a cgroup subsystem is remounted to a
different hierarchy while someone is reading its cgroup.procs/tasks file.
The risk is pretty low given how seldom cgroup subsystems are moved across
hierarchies.
* We moved cpus_read_lock() outside of cgroup internal locks a while ago but
forgot to update the legacy_freezer leading to lockdep triggers. Fixed.
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Merge tag 'cgroup-for-6.4-rc7-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup
Pull cgroup fixes from Tejun Heo:
"It's late but here are two bug fixes. Both fix problems which can be
severe but are very confined in scope. The risk to most use cases
should be minimal.
- Fix for an old bug which triggers if a cgroup subsystem is
remounted to a different hierarchy while someone is reading its
cgroup.procs/tasks file. The risk is pretty low given how seldom
cgroup subsystems are moved across hierarchies.
- We moved cpus_read_lock() outside of cgroup internal locks a while
ago but forgot to update the legacy_freezer leading to lockdep
triggers. Fixed"
* tag 'cgroup-for-6.4-rc7-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup:
cgroup: Do not corrupt task iteration when rebinding subsystem
cgroup,freezer: hold cpu_hotplug_lock before freezer_mutex in freezer_css_{online,offline}()
- Correctly save/restore PMUSERNR_EL0 when host userspace is using
PMU counters directly
- Fix GICv2 emulation on GICv3 after the locking rework
- Don't use smp_processor_id() in kvm_pmu_probe_armpmu(), and
document why...
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Merge tag 'kvmarm-fixes-6.4-4' of git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into HEAD
KVM/arm64 fixes for 6.4, take #4
- Correctly save/restore PMUSERNR_EL0 when host userspace is using
PMU counters directly
- Fix GICv2 emulation on GICv3 after the locking rework
- Don't use smp_processor_id() in kvm_pmu_probe_armpmu(), and
document why...
We run into guest hang in edk2 firmware when KSM is kept as running on
the host. The edk2 firmware is waiting for status 0x80 from QEMU's pflash
device (TYPE_PFLASH_CFI01) during the operation of sector erasing or
buffered write. The status is returned by reading the memory region of
the pflash device and the read request should have been forwarded to QEMU
and emulated by it. Unfortunately, the read request is covered by an
illegal stage2 mapping when the guest hang issue occurs. The read request
is completed with QEMU bypassed and wrong status is fetched. The edk2
firmware runs into an infinite loop with the wrong status.
The illegal stage2 mapping is populated due to same page sharing by KSM
at (C) even the associated memory slot has been marked as invalid at (B)
when the memory slot is requested to be deleted. It's notable that the
active and inactive memory slots can't be swapped when we're in the middle
of kvm_mmu_notifier_change_pte() because kvm->mn_active_invalidate_count
is elevated, and kvm_swap_active_memslots() will busy loop until it reaches
to zero again. Besides, the swapping from the active to the inactive memory
slots is also avoided by holding &kvm->srcu in __kvm_handle_hva_range(),
corresponding to synchronize_srcu_expedited() in kvm_swap_active_memslots().
CPU-A CPU-B
----- -----
ioctl(kvm_fd, KVM_SET_USER_MEMORY_REGION)
kvm_vm_ioctl_set_memory_region
kvm_set_memory_region
__kvm_set_memory_region
kvm_set_memslot(kvm, old, NULL, KVM_MR_DELETE)
kvm_invalidate_memslot
kvm_copy_memslot
kvm_replace_memslot
kvm_swap_active_memslots (A)
kvm_arch_flush_shadow_memslot (B)
same page sharing by KSM
kvm_mmu_notifier_invalidate_range_start
:
kvm_mmu_notifier_change_pte
kvm_handle_hva_range
__kvm_handle_hva_range
kvm_set_spte_gfn (C)
:
kvm_mmu_notifier_invalidate_range_end
Fix the issue by skipping the invalid memory slot at (C) to avoid the
illegal stage2 mapping so that the read request for the pflash's status
is forwarded to QEMU and emulated by it. In this way, the correct pflash's
status can be returned from QEMU to break the infinite loop in the edk2
firmware.
We tried a git-bisect and the first problematic commit is cd4c71835228 ("
KVM: arm64: Convert to the gfn-based MMU notifier callbacks"). With this,
clean_dcache_guest_page() is called after the memory slots are iterated
in kvm_mmu_notifier_change_pte(). clean_dcache_guest_page() is called
before the iteration on the memory slots before this commit. This change
literally enlarges the racy window between kvm_mmu_notifier_change_pte()
and memory slot removal so that we're able to reproduce the issue in a
practical test case. However, the issue exists since commit d5d8184d35c9
("KVM: ARM: Memory virtualization setup").
Cc: stable@vger.kernel.org # v3.9+
Fixes: d5d8184d35c9 ("KVM: ARM: Memory virtualization setup")
Reported-by: Shuai Hu <hshuai@redhat.com>
Reported-by: Zhenyu Zhang <zhenyzha@redhat.com>
Signed-off-by: Gavin Shan <gshan@redhat.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Reviewed-by: Oliver Upton <oliver.upton@linux.dev>
Reviewed-by: Peter Xu <peterx@redhat.com>
Reviewed-by: Sean Christopherson <seanjc@google.com>
Reviewed-by: Shaoqin Huang <shahuang@redhat.com>
Message-Id: <20230615054259.14911-1-gshan@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Merge tag 'nf-23-06-21' of git://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf
Pablo Neira Ayuso says:
====================
Netfilter/IPVS fixes for net
This is v3, including a crash fix for patch 01/14.
The following patchset contains Netfilter/IPVS fixes for net:
1) Fix UDP segmentation with IPVS tunneled traffic, from Terin Stock.
2) Fix chain binding transaction logic, add a bound flag to rule
transactions. Remove incorrect logic in nft_data_hold() and
nft_data_release().
3) Add a NFT_TRANS_PREPARE_ERROR deactivate state to deal with releasing
the set/chain as a follow up to 1240eb93f061 ("netfilter: nf_tables:
incorrect error path handling with NFT_MSG_NEWRULE")
4) Drop map element references from preparation phase instead of
set destroy path, otherwise bogus EBUSY with transactions such as:
flush chain ip x y
delete chain ip x w
where chain ip x y contains jump/goto from set elements.
5) Pipapo set type does not regard generation mask from the walk
iteration.
6) Fix reference count underflow in set element reference to
stateful object.
7) Several patches to tighten the nf_tables API:
- disallow set element updates of bound anonymous set
- disallow unbound anonymous set/chain at the end of transaction.
- disallow updates of anonymous set.
- disallow timeout configuration for anonymous sets.
8) Fix module reference leak in chain updates.
9) Fix nfnetlink_osf module autoload.
10) Fix deletion of basechain when NFTA_CHAIN_HOOK is specified as
in iptables-nft.
This Netfilter batch is larger than usual at this stage, I am aware we
are fairly late in the -rc cycle, if you prefer to route them through
net-next, please let me know.
netfilter pull request 23-06-21
* tag 'nf-23-06-21' of git://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf:
netfilter: nf_tables: Fix for deleting base chains with payload
netfilter: nfnetlink_osf: fix module autoload
netfilter: nf_tables: drop module reference after updating chain
netfilter: nf_tables: disallow timeout for anonymous sets
netfilter: nf_tables: disallow updates of anonymous sets
netfilter: nf_tables: reject unbound chain set before commit phase
netfilter: nf_tables: reject unbound anonymous set before commit phase
netfilter: nf_tables: disallow element updates of bound anonymous sets
netfilter: nf_tables: fix underflow in object reference counter
netfilter: nft_set_pipapo: .walk does not deal with generations
netfilter: nf_tables: drop map element references from preparation phase
netfilter: nf_tables: add NFT_TRANS_PREPARE_ERROR to deal with bound set/chain
netfilter: nf_tables: fix chain binding transaction logic
ipvs: align inner_mac_header for encapsulation
====================
Link: https://lore.kernel.org/r/20230621100731.68068-1-pablo@netfilter.org
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
This reverts commit 1f86123b9749 ("net: align SO_RCVMARK required
privileges with SO_MARK") because the reasoning in the commit message
is not really correct:
SO_RCVMARK is used for 'reading' incoming skb mark (via cmsg), as such
it is more equivalent to 'getsockopt(SO_MARK)' which has no priv check
and retrieves the socket mark, rather than 'setsockopt(SO_MARK) which
sets the socket mark and does require privs.
Additionally incoming skb->mark may already be visible if
sysctl_fwmark_reflect and/or sysctl_tcp_fwmark_accept are enabled.
Furthermore, it is easier to block the getsockopt via bpf
(either cgroup setsockopt hook, or via syscall filters)
then to unblock it if it requires CAP_NET_RAW/ADMIN.
On Android the socket mark is (among other things) used to store
the network identifier a socket is bound to. Setting it is privileged,
but retrieving it is not. We'd like unprivileged userspace to be able
to read the network id of incoming packets (where mark is set via
iptables [to be moved to bpf])...
An alternative would be to add another sysctl to control whether
setting SO_RCVMARK is privilged or not.
(or even a MASK of which bits in the mark can be exposed)
But this seems like over-engineering...
Note: This is a non-trivial revert, due to later merged commit e42c7beee71d
("bpf: net: Consider has_current_bpf_ctx() when testing capable() in sk_setsockopt()")
which changed both 'ns_capable' into 'sockopt_ns_capable' calls.
Fixes: 1f86123b9749 ("net: align SO_RCVMARK required privileges with SO_MARK")
Cc: Larysa Zaremba <larysa.zaremba@intel.com>
Cc: Simon Horman <simon.horman@corigine.com>
Cc: Paolo Abeni <pabeni@redhat.com>
Cc: Eyal Birger <eyal.birger@gmail.com>
Cc: Jakub Kicinski <kuba@kernel.org>
Cc: Eric Dumazet <edumazet@google.com>
Cc: Patrick Rohr <prohr@google.com>
Signed-off-by: Maciej Żenczykowski <maze@google.com>
Reviewed-by: Simon Horman <simon.horman@corigine.com>
Reviewed-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Link: https://lore.kernel.org/r/20230618103130.51628-1-maze@google.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
struct mux_adth actually ends with multiple struct mux_adth_dg members.
This is seen both in the comments about the member:
/**
* struct mux_adth - Structure of the Aggregated Datagram Table Header.
...
* @dg: datagramm table with variable length
*/
and in the preparation for populating it:
adth_dg_size = offsetof(struct mux_adth, dg) +
ul_adb->dg_count[i] * sizeof(*dg);
...
adth_dg_size -= offsetof(struct mux_adth, dg);
memcpy(&adth->dg, ul_adb->dg[i], adth_dg_size);
This was reported as a run-time false positive warning:
memcpy: detected field-spanning write (size 16) of single field "&adth->dg" at drivers/net/wwan/iosm/iosm_ipc_mux_codec.c:852 (size 8)
Adjust the struct mux_adth definition and associated sizeof() math; no binary
output differences are observed in the resulting object file.
Reported-by: Florian Klink <flokli@flokli.de>
Closes: https://lore.kernel.org/lkml/dbfa25f5-64c8-5574-4f5d-0151ba95d232@gmail.com/
Fixes: 1f52d7b62285 ("net: wwan: iosm: Enable M.2 7360 WWAN card support")
Cc: M Chetan Kumar <m.chetan.kumar@intel.com>
Cc: Bagas Sanjaya <bagasdotme@gmail.com>
Cc: Intel Corporation <linuxwwan@intel.com>
Cc: Loic Poulain <loic.poulain@linaro.org>
Cc: Sergey Ryazanov <ryazanov.s.a@gmail.com>
Cc: Johannes Berg <johannes@sipsolutions.net>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Eric Dumazet <edumazet@google.com>
Cc: Jakub Kicinski <kuba@kernel.org>
Cc: Paolo Abeni <pabeni@redhat.com>
Cc: "Gustavo A. R. Silva" <gustavoars@kernel.org>
Cc: netdev@vger.kernel.org
Signed-off-by: Kees Cook <keescook@chromium.org>
Reviewed-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Reviewed-by: Simon Horman <simon.horman@corigine.com>
Link: https://lore.kernel.org/r/20230620194234.never.023-kees@kernel.org
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
When mirroring to a gretap in hardware the device expects to be
programmed with the egress port and all the encapsulating headers. This
requires the driver to resolve the path the packet will take in the
software data path and program the device accordingly.
If the path cannot be resolved (in this case because of an unresolved
neighbor), then mirror installation fails until the path is resolved.
This results in a race that causes the test to sometimes fail.
Fix this by setting the neighbor's state to permanent in a couple of
tests, so that it is always valid.
Fixes: 35c31d5c323f ("selftests: forwarding: Test mirror-to-gretap w/ UL 802.1d")
Fixes: 239e754af854 ("selftests: forwarding: Test mirror-to-gretap w/ UL 802.1q")
Signed-off-by: Danielle Ratson <danieller@nvidia.com>
Reviewed-by: Petr Machata <petrm@nvidia.com>
Signed-off-by: Petr Machata <petrm@nvidia.com>
Link: https://lore.kernel.org/r/268816ac729cb6028c7a34d4dda6f4ec7af55333.1687264607.git.petrm@nvidia.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Properly check for RX_DROP_UNUSABLE now that the new drop reason
infrastructure is used. Without this change, the comparison will always
be false as a more specific reason is given in the lower bits of result.
Fixes: baa951a1c177 ("mac80211: use the new drop reasons infrastructure")
Signed-off-by: Benjamin Berg <benjamin.berg@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Link: https://lore.kernel.org/r/20230621120543.412920-2-johannes@sipsolutions.net
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Matthieu Baerts says:
====================
mptcp: fixes for 6.4
Patch 1 correctly handles disconnect() failures that can happen in some
specific cases: now the socket state is set as unconnected as expected.
That fixes an issue introduced in v6.2.
Patch 2 fixes a divide by zero bug in mptcp_recvmsg() with a fix similar
to a recent one from Eric Dumazet for TCP introducing sk_wait_pending
flag. It should address an issue present in MPTCP from almost the
beginning, from v5.9.
Patch 3 fixes a possible list corruption on passive MPJ even if the race
seems very unlikely, better be safe than sorry. The possible issue is
present from v5.17.
Patch 4 consolidates fallback and non fallback state machines to avoid
leaking some MPTCP sockets. The fix is likely needed for versions from
v5.11.
Patch 5 drops code that is no longer used after the introduction of
patch 4/6. This is not really a fix but this patch can probably land in
the -net tree as well not to leave unused code.
Patch 6 ensures listeners are unhashed before updating their sk status
to avoid possible deadlocks when diag info are going to be retrieved
with a lock. Even if it should not be visible with the way we are
currently getting diag info, the issue is present from v5.17.
====================
Link: https://lore.kernel.org/r/20230620-upstream-net-20230620-misc-fixes-for-v6-4-v1-0-f36aa5eae8b9@tessares.net
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The MPTCP protocol access the listener subflow in a lockless
manner in a couple of places (poll, diag). That works only if
the msk itself leaves the listener status only after that the
subflow itself has been closed/disconnected. Otherwise we risk
deadlock in diag, as reported by Christoph.
Address the issue ensuring that the first subflow (the listener
one) is always disconnected before updating the msk socket status.
Reported-by: Christoph Paasch <cpaasch@apple.com>
Closes: https://github.com/multipath-tcp/mptcp_net-next/issues/407
Fixes: b29fcfb54cd7 ("mptcp: full disconnect implementation")
Cc: stable@vger.kernel.org
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Reviewed-by: Matthieu Baerts <matthieu.baerts@tessares.net>
Signed-off-by: Matthieu Baerts <matthieu.baerts@tessares.net>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Thanks to the previous patch -- "mptcp: consolidate fallback and non
fallback state machine" -- we can finally drop the "temporary hack"
used to detect rx eof.
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Reviewed-by: Mat Martineau <martineau@kernel.org>
Signed-off-by: Matthieu Baerts <matthieu.baerts@tessares.net>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
An orphaned msk releases the used resources via the worker,
when the latter first see the msk in CLOSED status.
If the msk status transitions to TCP_CLOSE in the release callback
invoked by the worker's final release_sock(), such instance of the
workqueue will not take any action.
Additionally the MPTCP code prevents scheduling the worker once the
socket reaches the CLOSE status: such msk resources will be leaked.
The only code path that can trigger the above scenario is the
__mptcp_check_send_data_fin() in fallback mode.
Address the issue removing the special handling of fallback socket
in __mptcp_check_send_data_fin(), consolidating the state machine
for fallback and non fallback socket.
Since non-fallback sockets do not send and do not receive data_fin,
the mptcp code can update the msk internal status to match the next
step in the SM every time data fin (ack) should be generated or
received.
As a consequence we can remove a bunch of checks for fallback from
the fastpath.
Fixes: 6e628cd3a8f7 ("mptcp: use mptcp release_cb for delayed tasks")
Cc: stable@vger.kernel.org
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Reviewed-by: Mat Martineau <martineau@kernel.org>
Signed-off-by: Matthieu Baerts <matthieu.baerts@tessares.net>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
At passive MPJ time, if the msk socket lock is held by the user,
the new subflow is appended to the msk->join_list under the msk
data lock.
In mptcp_release_cb()/__mptcp_flush_join_list(), the subflows in
that list are moved from the join_list into the conn_list under the
msk socket lock.
Append and removal could race, possibly corrupting such list.
Address the issue splicing the join list into a temporary one while
still under the msk data lock.
Found by code inspection, the race itself should be almost impossible
to trigger in practice.
Fixes: 3e5014909b56 ("mptcp: cleanup MPJ subflow list handling")
Cc: stable@vger.kernel.org
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Reviewed-by: Matthieu Baerts <matthieu.baerts@tessares.net>
Signed-off-by: Matthieu Baerts <matthieu.baerts@tessares.net>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Currently the mptcp code has assumes that disconnect() can fail only
at mptcp_sendmsg_fastopen() time - to avoid a deadlock scenario - and
don't even bother returning an error code.
Soon mptcp_disconnect() will handle more error conditions: let's track
them explicitly.
As a bonus, explicitly annotate TCP-level disconnect as not failing:
the mptcp code never blocks for event on the subflows.
Fixes: 7d803344fdc3 ("mptcp: fix deadlock in fastopen error path")
Cc: stable@vger.kernel.org
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Tested-by: Christoph Paasch <cpaasch@apple.com>
Reviewed-by: Matthieu Baerts <matthieu.baerts@tessares.net>
Signed-off-by: Matthieu Baerts <matthieu.baerts@tessares.net>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'for-netdev' of https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf
Daniel Borkmann says:
====================
pull-request: bpf 2023-06-21
We've added 7 non-merge commits during the last 14 day(s) which contain
a total of 7 files changed, 181 insertions(+), 15 deletions(-).
The main changes are:
1) Fix a verifier id tracking issue with scalars upon spill,
from Maxim Mikityanskiy.
2) Fix NULL dereference if an exception is generated while a BPF
subprogram is running, from Krister Johansen.
3) Fix a BTF verification failure when compiling kernel with LLVM_IAS=0,
from Florent Revest.
4) Fix expected_attach_type enforcement for kprobe_multi link,
from Jiri Olsa.
5) Fix a bpf_jit_dump issue for x86_64 to pick the correct JITed image,
from Yonghong Song.
* tag 'for-netdev' of https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf:
bpf: Force kprobe multi expected_attach_type for kprobe_multi link
bpf/btf: Accept function names that contain dots
selftests/bpf: add a test for subprogram extables
bpf: ensure main program has an extable
bpf: Fix a bpf_jit_dump issue for x86_64 with sysctl bpf_jit_enable.
selftests/bpf: Add test cases to assert proper ID tracking on spill
bpf: Fix verifier id tracking of scalars on spill
====================
Link: https://lore.kernel.org/r/20230621101116.16122-1-daniel@iogearbox.net
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
For a long time the tick was aligned to clock MONOTONIC so that the tick
event happened at a multiple of nanoseconds per tick starting from clock
MONOTONIC = 0.
At some point this changed as the refined jiffies clocksource which is
used during boot before the TSC or other clocksources becomes usable, was
adjusted with a boot offset, so that time 0 is closer to the point where
the kernel starts.
This broke the assumption in the tick code that when the tick setup
happens early on ktime_get() will return a multiple of nanoseconds per
tick. As a consequence applications which aligned their periodic
execution so that it does not collide with the tick were not longer
guaranteed that the tick period starts from time 0.
The fix for this regression was to realign the tick when it is initially
set up to a multiple of tick periods. That works as long as the
underlying tick device supports periodic mode, but breaks under certain
conditions when the tick device supports only one shot mode.
Depending on the offset, the alignment delta to clock MONOTONIC can get
in a range where the minimal programming delta of the underlying clock
event device is larger than the calculated delta to the next tick. This
results in a boot hang as the tick code tries to play catch up, but as
the tick never fires jiffies are not advanced so it keeps trying for
ever.
Solve this by moving the tick alignement into the NOHZ / HIGHRES
enablement code because at that point it is guaranteed that the
underlying clocksource is high resolution capable and not longer
depending on the tick.
This is far before user space starts, so at the point where applications
try to align their timers, the old behaviour of the tick happening at a
multiple of nanoseconds per tick starting from clock MONOTONIC = 0 is
restored.
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Merge tag 'timers-urgent-2023-06-21' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull timer fix from Thomas Gleixner:
"A single regression fix for a regression fix:
For a long time the tick was aligned to clock MONOTONIC so that the
tick event happened at a multiple of nanoseconds per tick starting
from clock MONOTONIC = 0.
At some point this changed as the refined jiffies clocksource which is
used during boot before the TSC or other clocksources becomes usable,
was adjusted with a boot offset, so that time 0 is closer to the point
where the kernel starts.
This broke the assumption in the tick code that when the tick setup
happens early on ktime_get() will return a multiple of nanoseconds per
tick. As a consequence applications which aligned their periodic
execution so that it does not collide with the tick were not longer
guaranteed that the tick period starts from time 0.
The fix for this regression was to realign the tick when it is
initially set up to a multiple of tick periods. That works as long as
the underlying tick device supports periodic mode, but breaks under
certain conditions when the tick device supports only one shot mode.
Depending on the offset, the alignment delta to clock MONOTONIC can
get in a range where the minimal programming delta of the underlying
clock event device is larger than the calculated delta to the next
tick. This results in a boot hang as the tick code tries to play catch
up, but as the tick never fires jiffies are not advanced so it keeps
trying for ever.
Solve this by moving the tick alignement into the NOHZ / HIGHRES
enablement code because at that point it is guaranteed that the
underlying clocksource is high resolution capable and not longer
depending on the tick.
This is far before user space starts, so at the point where
applications try to align their timers, the old behaviour of the tick
happening at a multiple of nanoseconds per tick starting from clock
MONOTONIC = 0 is restored"
* tag 'timers-urgent-2023-06-21' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
tick/common: Align tick period during sched_timer setup
A last minute revert to fix a regression.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost
Pull virtio fix from Michael Tsirkin:
"A last minute revert to fix a regression"
* tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost:
Revert "virtio-blk: support completion batching for the IRQ path"
One last fix for SPI, just a simple fix for incorrect handling of probe
deferral for DMA in the Qualcomm GENI driver.
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Merge tag 'spi-fix-v6.4-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi
Pull spi fix from Mark Brown:
"One last fix for SPI, just a simple fix for incorrect handling of
probe deferral for DMA in the Qualcomm GENI driver"
* tag 'spi-fix-v6.4-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi:
spi: spi-geni-qcom: correctly handle -EPROBE_DEFER from dma_request_chan()
One simple fix for v6.4, some incorrectly specified bitfield masks in
the PCA9450 driver.
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Merge tag 'regulator-fix-v6.4-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator
Pull regulator fix from Mark Brown:
"One simple fix for v6.4, some incorrectly specified bitfield masks in
the PCA9450 driver"
* tag 'regulator-fix-v6.4-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator:
regulator: pca9450: Fix LDO3OUT and LDO4OUT MASK
The earlier fix to take account of the register data size when limiting
raw register writes exposed the fact that the Intel AVMM bus was
incorrectly specifying too low a limit on the maximum data transfer, it
is only capable of transmitting one register so had set a transfer size
limit that couldn't fit both the value and the the register address into
a single message.
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Merge tag 'regmap-fix-v6.4-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap
Pull regmap fix from Mark Brown:
"One more fix for v6.4
The earlier fix to take account of the register data size when
limiting raw register writes exposed the fact that the Intel AVMM bus
was incorrectly specifying too low a limit on the maximum data
transfer, it is only capable of transmitting one register so had set a
transfer size limit that couldn't fit both the value and the the
register address into a single message"
* tag 'regmap-fix-v6.4-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap:
regmap: spi-avmm: Fix regmap_bus max_raw_write
Rather than assign the user pointer to msghdr->msg_control, assign it
to msghdr->msg_control_user to make sparse happy. They are in a union
so the end result is the same, but let's avoid new sparse warnings and
squash this one.
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202306210654.mDMcyMuB-lkp@intel.com/
Fixes: cac9e4418f4c ("io_uring/net: save msghdr->msg_control for retries")
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
We cannot sanely handle partial retries for recvmsg if we have cmsg
attached. If we don't, then we'd just be overwriting the initial cmsg
header on retries. Alternatively we could increment and handle this
appropriately, but it doesn't seem worth the complication.
Move the MSG_WAITALL check into the non-multishot case while at it,
since MSG_WAITALL is explicitly disabled for multishot anyway.
Link: https://lore.kernel.org/io-uring/0b0d4411-c8fd-4272-770b-e030af6919a0@kernel.dk/
Cc: stable@vger.kernel.org # 5.10+
Reported-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
If we have cmsg attached AND we transferred partial data at least, clear
msg_controllen on retry so we don't attempt to send that again.
Cc: stable@vger.kernel.org # 5.10+
Fixes: cac9e4418f4c ("io_uring/net: save msghdr->msg_control for retries")
Reported-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
We currently allow to create perf link for program with
expected_attach_type == BPF_TRACE_KPROBE_MULTI.
This will cause crash when we call helpers like get_attach_cookie or
get_func_ip in such program, because it will call the kprobe_multi's
version (current->bpf_ctx context setup) of those helpers while it
expects perf_link's current->bpf_ctx context setup.
Making sure that we use BPF_TRACE_KPROBE_MULTI expected_attach_type
only for programs attaching through kprobe_multi link.
Fixes: ca74823c6e16 ("bpf: Add cookie support to programs attached with kprobe multi link")
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Link: https://lore.kernel.org/bpf/20230618131414.75649-1-jolsa@kernel.org
When building a kernel with LLVM=1, LLVM_IAS=0 and CONFIG_KASAN=y, LLVM
leaves DWARF tags for the "asan.module_ctor" & co symbols. In turn,
pahole creates BTF_KIND_FUNC entries for these and this makes the BTF
metadata validation fail because they contain a dot.
In a dramatic turn of event, this BTF verification failure can cause
the netfilter_bpf initialization to fail, causing netfilter_core to
free the netfilter_helper hashmap and netfilter_ftp to trigger a
use-after-free. The risk of u-a-f in netfilter will be addressed
separately but the existence of "asan.module_ctor" debug info under some
build conditions sounds like a good enough reason to accept functions
that contain dots in BTF.
Although using only LLVM=1 is the recommended way to compile clang-based
kernels, users can certainly do LLVM=1, LLVM_IAS=0 as well and we still
try to support that combination according to Nick. To clarify:
- > v5.10 kernel, LLVM=1 (LLVM_IAS=0 is not the default) is recommended,
but user can still have LLVM=1, LLVM_IAS=0 to trigger the issue
- <= 5.10 kernel, LLVM=1 (LLVM_IAS=0 is the default) is recommended in
which case GNU as will be used
Fixes: 1dc92851849c ("bpf: kernel side support for BTF Var and DataSec")
Signed-off-by: Florent Revest <revest@chromium.org>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Andrii Nakryiko <andrii@kernel.org>
Cc: Yonghong Song <yhs@meta.com>
Cc: Nick Desaulniers <ndesaulniers@google.com>
Link: https://lore.kernel.org/bpf/20230615145607.3469985-1-revest@chromium.org
This reverts commit 07b679f70d73483930e8d3c293942416d9cd5c13.
This change appears to have broken things...
We now see applications hanging during disk accesses.
e.g.
multi-port virtio-blk device running in h/w (FPGA)
Host running a simple 'fio' test.
[global]
thread=1
direct=1
ioengine=libaio
norandommap=1
group_reporting=1
bs=4K
rw=read
iodepth=128
runtime=1
numjobs=4
time_based
[job0]
filename=/dev/vda
[job1]
filename=/dev/vdb
[job2]
filename=/dev/vdc
...
[job15]
filename=/dev/vdp
i.e. 16 disks; 4 queues per disk; simple burst of 4KB reads
This is repeatedly run in a loop.
After a few, normally <10 seconds, fio hangs.
With 64 queues (16 disks), failure occurs within a few seconds; with 8 queues (2 disks) it may take ~hour before hanging.
Last message:
fio-3.19
Starting 8 threads
Jobs: 1 (f=1): [_(7),R(1)][68.3%][eta 03h:11m:06s]
I think this means at the end of the run 1 queue was left incomplete.
'diskstats' (run while fio is hung) shows no outstanding transactions.
e.g.
$ cat /proc/diskstats
...
252 0 vda 1843140071 0 14745120568 712568645 0 0 0 0 0 3117947 712568645 0 0 0 0 0 0
252 16 vdb 1816291511 0 14530332088 704905623 0 0 0 0 0 3117711 704905623 0 0 0 0 0 0
...
Other stats (in the h/w, and added to the virtio-blk driver ([a]virtio_queue_rq(), [b]virtblk_handle_req(), [c]virtblk_request_done()) all agree, and show every request had a completion, and that virtblk_request_done() never gets called.
e.g.
PF= 0 vq=0 1 2 3
[a]request_count - 839416590 813148916 105586179 84988123
[b]completion1_count - 839416590 813148916 105586179 84988123
[c]completion2_count - 0 0 0 0
PF= 1 vq=0 1 2 3
[a]request_count - 823335887 812516140 104582672 75856549
[b]completion1_count - 823335887 812516140 104582672 75856549
[c]completion2_count - 0 0 0 0
i.e. the issue is after the virtio-blk driver.
This change was introduced in kernel 6.3.0.
I am seeing this using 6.3.3.
If I run with an earlier kernel (5.15), it does not occur.
If I make a simple patch to the 6.3.3 virtio-blk driver, to skip the blk_mq_add_to_batch()call, it does not fail.
e.g.
kernel 5.15 - this is OK
virtio_blk.c,virtblk_done() [irq handler]
if (likely(!blk_should_fake_timeout(req->q))) {
blk_mq_complete_request(req);
}
kernel 6.3.3 - this fails
virtio_blk.c,virtblk_handle_req() [irq handler]
if (likely(!blk_should_fake_timeout(req->q))) {
if (!blk_mq_complete_request_remote(req)) {
if (!blk_mq_add_to_batch(req, iob, virtblk_vbr_status(vbr), virtblk_complete_batch)) {
virtblk_request_done(req); //this never gets called... so blk_mq_add_to_batch() must always succeed
}
}
}
If I do, kernel 6.3.3 - this is OK
virtio_blk.c,virtblk_handle_req() [irq handler]
if (likely(!blk_should_fake_timeout(req->q))) {
if (!blk_mq_complete_request_remote(req)) {
virtblk_request_done(req); //force this here...
if (!blk_mq_add_to_batch(req, iob, virtblk_vbr_status(vbr), virtblk_complete_batch)) {
virtblk_request_done(req); //this never gets called... so blk_mq_add_to_batch() must always succeed
}
}
}
Perhaps you might like to fix/test/revert this change...
Martin
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202306090826.C1fZmdMe-lkp@intel.com/
Cc: Suwan Kim <suwan.kim027@gmail.com>
Tested-by: edliaw@google.com
Reported-by: "Roberts, Martin" <martin.roberts@intel.com>
Message-Id: <336455b4f630f329380a8f53ee8cad3868764d5c.1686295549.git.mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This reverts commit da9ef50f545f86ffe6ff786174d26500c4db737a.
This fixes a regression in which the link would come up, but no
communication was possible.
The reverted commit was also removing a comment about
DP83867_PHYCR_FORCE_LINK_GOOD, this is not added back in this commits
since it seems that this is unrelated to the original code change.
Closes: https://lore.kernel.org/all/ZGuDJos8D7N0J6Z2@francesco-nb.int.toradex.com/
Fixes: da9ef50f545f ("net: phy: dp83867: perform soft reset and retain established link")
Signed-off-by: Francesco Dolcini <francesco.dolcini@toradex.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Praneeth Bajjuri <praneeth@ti.com>
Link: https://lore.kernel.org/r/20230619154435.355485-1-francesco@dolcini.it
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
PHY address and device address are passed in the wrong order.
Cc: stable@vger.kernel.org
Fixes: 4e4aafcddbbf ("net: mdio: Add dedicated C45 API to MDIO bus drivers")
Signed-off-by: Jiawen Wu <jiawenwu@trustnetic.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Link: https://lore.kernel.org/r/20230619094948.84452-1-jiawenwu@trustnetic.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This includes a wholesale reversion of the post-6.4 series "make slab shrink
lockless". After input from Dave Chinner it has been decided that we
should go a different way. Thread starts at
https://lkml.kernel.org/r/ZH6K0McWBeCjaf16@dread.disaster.area.
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Merge tag 'mm-hotfixes-stable-2023-06-20-12-31' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull hotfixes from Andrew Morton:
"19 hotfixes. 8 of these are cc:stable.
This includes a wholesale reversion of the post-6.4 series 'make slab
shrink lockless'. After input from Dave Chinner it has been decided
that we should go a different way [1]"
Link: https://lkml.kernel.org/r/ZH6K0McWBeCjaf16@dread.disaster.area [1]
* tag 'mm-hotfixes-stable-2023-06-20-12-31' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm:
selftests/mm: fix cross compilation with LLVM
mailmap: add entries for Ben Dooks
nilfs2: prevent general protection fault in nilfs_clear_dirty_page()
Revert "mm: vmscan: make global slab shrink lockless"
Revert "mm: vmscan: make memcg slab shrink lockless"
Revert "mm: vmscan: add shrinker_srcu_generation"
Revert "mm: shrinkers: make count and scan in shrinker debugfs lockless"
Revert "mm: vmscan: hold write lock to reparent shrinker nr_deferred"
Revert "mm: vmscan: remove shrinker_rwsem from synchronize_shrinkers()"
Revert "mm: shrinkers: convert shrinker_rwsem to mutex"
nilfs2: fix buffer corruption due to concurrent device reads
scripts/gdb: fix SB_* constants parsing
scripts: fix the gfp flags header path in gfp-translate
udmabuf: revert 'Add support for mapping hugepages (v4)'
mm/khugepaged: fix iteration in collapse_file
memfd: check for non-NULL file_seals in memfd_create() syscall
mm/vmalloc: do not output a spurious warning when huge vmalloc() fails
mm/mprotect: fix do_mprotect_pkey() limit check
writeback: fix dereferencing NULL mapping->host on writeback_page_template
Fix a kernel crash during early resume from ACPI S3 that has been
present since the 5.15 cycle when might_sleep() was added to
down_timeout(), which in some configurations of the kernel caused
an implicit preemption point to trigger at a wrong time.
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Merge tag 'acpi-6.4-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI fix from Rafael Wysocki:
"Fix a kernel crash during early resume from ACPI S3 that has been
present since the 5.15 cycle when might_sleep() was added to
down_timeout(), which in some configurations of the kernel caused an
implicit preemption point to trigger at a wrong time"
* tag 'acpi-6.4-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
ACPI: sleep: Avoid breaking S3 wakeup due to might_sleep()
Fix a regression introduced during the 6.3 cycle and causing
intel_soc_dts_iosf to report incorrect temperature values due
to a coding mistake (Hans de Goede).
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Merge tag 'thermal-6.4-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull thermal control fix from Rafael Wysocki:
"Fix a regression introduced during the 6.3 cycle causing
intel_soc_dts_iosf to report incorrect temperature values
due to a coding mistake (Hans de Goede)"
* tag 'thermal-6.4-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
thermal/intel/intel_soc_dts_iosf: Fix reporting wrong temperatures
- Fix MAINTAINERS file to point to proper mailing list for rtla and rv
The mailing list pointed to linux-trace-devel instead of
linux-trace-kernel. The former is for the tracing libraries
and the latter is for anything in the Linux kernel tree.
The wrong mailing list was used because linux-trace-kernel did not
exist when rtla and rv were created.
- User events:
. Fix matching of dynamic events to their user events
When user writes to dynamic_events file, a lookup of the
registered dynamic events are made, but there were some cases
that a match could be incorrectly made.
. Add auto cleanup of user events
Have the user events automatically get removed when the last
reference (file descriptor) is closed. This was asked for to
prevent leaks of user events hanging around needing admins
to clean them up.
. Add persistent logic (but not let user space use it yet)
In some cases, having a persistent user event (one that does not
get cleaned up automatically) is useful. But there's still
debates about how to expose this to user space. The infrastructure
is added, but the API is not.
. Update the selftests
Update the user event selftests to reflect the above changes.
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Merge tag 'trace-v6.4-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace
Pull tracing fixes from Steven Rostedt:
- Fix MAINTAINERS file to point to proper mailing list for rtla and rv
The mailing list pointed to linux-trace-devel instead of
linux-trace-kernel. The former is for the tracing libraries and the
latter is for anything in the Linux kernel tree. The wrong mailing
list was used because linux-trace-kernel did not exist when rtla and
rv were created.
- User events:
- Fix matching of dynamic events to their user events
When user writes to dynamic_events file, a lookup of the
registered dynamic events is made, but there were some cases that
a match could be incorrectly made.
- Add auto cleanup of user events
Have the user events automatically get removed when the last
reference (file descriptor) is closed. This was asked for to
prevent leaks of user events hanging around needing admins to
clean them up.
- Add persistent logic (but not let user space use it yet)
In some cases, having a persistent user event (one that does not
get cleaned up automatically) is useful. But there's still debates
about how to expose this to user space. The infrastructure is
added, but the API is not.
- Update the selftests
Update the user event selftests to reflect the above changes"
* tag 'trace-v6.4-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace:
tracing/user_events: Document auto-cleanup and remove dyn_event refs
selftests/user_events: Adapt dyn_test to non-persist events
selftests/user_events: Ensure auto cleanup works as expected
tracing/user_events: Add auto cleanup and future persist flag
tracing/user_events: Track refcount consistently via put/get
tracing/user_events: Store register flags on events
tracing/user_events: Remove user_ns walk for groups
selftests/user_events: Add perf self-test for empty arguments events
selftests/user_events: Clear the events after perf self-test
selftests/user_events: Add ftrace self-test for empty arguments events
tracing/user_events: Fix the incorrect trace record for empty arguments events
tracing: Modify print_fields() for fields output order
tracing/user_events: Handle matching arguments that is null from dyn_events
tracing/user_events: Prevent same name but different args event
tracing/rv/rtla: Update MAINTAINERS file to point to proper mailing list
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Merge tag 'for-6.4-rc7-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux
Pull btrfs fix from David Sterba:
"One more regression fix for an assertion failure that uncovered a
nasty problem with stripe calculations. This is caused by a u32
overflow when there are enough devices. The fstests require 6 so this
hasn't been caught, I was able to hit it with 8.
The fix is minimal and only adds u64 casts, we'll clean that up later.
I did various additional tests to be sure"
* tag 'for-6.4-rc7-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux:
btrfs: fix u32 overflows when left shifting stripe_nr
When deleting a base chain, iptables-nft simply submits the whole chain
to the kernel, including the NFTA_CHAIN_HOOK attribute. The new code
added by fixed commit then turned this into a chain update, destroying
the hook but not the chain itself. Detect the situation by checking if
the chain type is either netdev or inet/ingress.
Fixes: 7d937b107108f ("netfilter: nf_tables: support for deleting devices in an existing netdev chain")
Signed-off-by: Phil Sutter <phil@nwl.cc>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Move the alias from xt_osf to nfnetlink_osf.
Fixes: f9324952088f ("netfilter: nfnetlink_osf: extract nfnetlink_subsystem code from xt_osf.c")
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Otherwise the module reference counter is leaked.
Fixes b9703ed44ffb ("netfilter: nf_tables: support for adding new devices to an existing netdev chain")
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Bartosz Golaszewski
Sathesh Edara
Krzysztof Kozlowski
Linus Torvalds
Paolo Bonzini
Gavin Shan
Paolo Abeni
Maciej Żenczykowski
Kees Cook
Eric Dumazet
Shyam Sundar S K
Danielle Ratson
Benjamin Berg
Jakub Kicinski
Jens Axboe
Jiri Olsa
Florent Revest
Michael S. Tsirkin
Francesco Dolcini
Jiawen Wu
Phil Sutter
Pablo Neira Ayuso