correctly on 64-bit kernels. sys_futex_wait() expects a struct
__kernel_timespec for the timeout, but the selftest uses struct timespec,
which is the original 32-bit non 2038 compliant variant. Fix it up by
converting the callsite supplied timespec to a __kernel_timespec and hand
that into the syscall.
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Merge tag 'locking-urgent-2025-07-20' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull locking fix from Thomas Gleixner:
"A single fix for the futex selftest code to make 32-bit user space
work correctly on 64-bit kernels.
sys_futex_wait() expects a struct __kernel_timespec for the timeout,
but the selftest uses struct timespec, which is the original 32-bit
non 2038 compliant variant.
Fix it up by converting the callsite supplied timespec to a
__kernel_timespec and hand that into the syscall"
* tag 'locking-urgent-2025-07-20' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
selftests/futex: Convert 32-bit timespec to 64-bit version for 32-bit compatibility mode
- Fix handling of migration disabled tasks in default idle selection.
- update_locked_rq() called __this_cpu_write() spuriously with NULL when @rq
was not locked. As the writes were spurious, it didn't break anything
directly. However, the function could be called in a preemptible leading
to a context warning in __this_cpu_write(). Skip the spurious NULL writes.
- Selftest fix on UP.
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Merge tag 'sched_ext-for-6.16-rc6-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/sched_ext
Pull sched_ext fixes from Tejun Heo:
- Fix handling of migration disabled tasks in default idle selection
- update_locked_rq() called __this_cpu_write() spuriously with NULL
when @rq was not locked. As the writes were spurious, it didn't break
anything directly. However, the function could be called in a
preemptible leading to a context warning in __this_cpu_write(). Skip
the spurious NULL writes.
- Selftest fix on UP
* tag 'sched_ext-for-6.16-rc6-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/sched_ext:
sched_ext: idle: Handle migration-disabled tasks in idle selection
sched/ext: Prevent update_locked_rq() calls with NULL rq
selftests/sched_ext: Fix exit selftest hang on UP
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Merge tag 'bpf-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf
Pull bpf fixes from Alexei Starovoitov:
- Fix handling of BPF arena relocations (Andrii Nakryiko)
- Fix race in bpf_arch_text_poke() on s390 (Ilya Leoshkevich)
- Fix use of virt_to_phys() on arm64 when mmapping BTF (Lorenz Bauer)
- Reject %p% format string in bprintf-like BPF helpers (Paul Chaignon)
* tag 'bpf-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf:
libbpf: Fix handling of BPF arena relocations
btf: Fix virt_to_phys() on arm64 when mmapping BTF
selftests/bpf: Stress test attaching a BPF prog to another BPF prog
s390/bpf: Fix bpf_arch_text_poke() with new_addr == NULL again
selftests/bpf: Add negative test cases for snprintf
bpf: Reject %p% format string in bprintf-like helpers
More code here than I would have liked. That said, better now than
next week. Nothing particularly scary stands out. The improvement to
the OpenVPN input validation is a bit large but better get them in
before the code makes it to a final release. Some of the changes
we got from sub-trees could have been split better between the fix
and -next refactoring, IMHO, that has been communicated.
We have one known regression in a TI AM65 board not getting link.
The investigation is going a bit slow, a number of people are on
vacation. We'll try to wrap it up, but don't think it should hold
up the release.
Current release - fix to a fix:
- Bluetooth: L2CAP: fix attempting to adjust outgoing MTU, it broke
some headphones and speakers
Current release - regressions:
- wifi: ath12k: fix packets received in WBM error ring with REO LUT
enabled, fix Rx performance regression
- wifi: iwlwifi:
- fix crash due to a botched indexing conversion
- mask reserved bits in chan_state_active_bitmap, avoid FW assert()
Current release - new code bugs:
- nf_conntrack: fix crash due to removal of uninitialised entry
- eth: airoha: fix potential UaF in airoha_npu_get()
Previous releases - regressions:
- net: fix segmentation after TCP/UDP fraglist GRO
- af_packet: fix the SO_SNDTIMEO constraint not taking effect and
a potential soft lockup waiting for a completion
- rpl: fix UaF in rpl_do_srh_inline() for sneaky skb geometry
- virtio-net: fix recursive rtnl_lock() during probe()
- eth: stmmac: populate entire system_counterval_t in get_time_fn()
- eth: libwx: fix a number of crashes in the driver Rx path
- hv_netvsc: prevent IPv6 addrconf after IFF_SLAVE lost that meaning
Previous releases - always broken:
- mptcp: fix races in handling connection fallback to pure TCP
- rxrpc: assorted error handling and race fixes
- sched: another batch of "security" fixes for qdiscs (QFQ, HTB)
- tls: always refresh the queue when reading sock, avoid UaF
- phy: don't register LEDs for genphy, avoid deadlock
- Bluetooth: btintel: check if controller is ISO capable on
btintel_classify_pkt_type(), work around FW returning incorrect
capabilities
Misc:
- make OpenVPN Netlink input checking more strict before it makes it
to a final release
- wifi: cfg80211: remove scan request n_channels __counted_by, its only
yeilding false positives
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-6.16-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Jakub Kicinski:
"Including fixes from Bluetooth, CAN, WiFi and Netfilter.
More code here than I would have liked. That said, better now than
next week. Nothing particularly scary stands out. The improvement to
the OpenVPN input validation is a bit large but better get them in
before the code makes it to a final release. Some of the changes we
got from sub-trees could have been split better between the fix and
-next refactoring, IMHO, that has been communicated.
We have one known regression in a TI AM65 board not getting link. The
investigation is going a bit slow, a number of people are on vacation.
We'll try to wrap it up, but don't think it should hold up the
release.
Current release - fix to a fix:
- Bluetooth: L2CAP: fix attempting to adjust outgoing MTU, it broke
some headphones and speakers
Current release - regressions:
- wifi: ath12k: fix packets received in WBM error ring with REO LUT
enabled, fix Rx performance regression
- wifi: iwlwifi:
- fix crash due to a botched indexing conversion
- mask reserved bits in chan_state_active_bitmap, avoid FW assert()
Current release - new code bugs:
- nf_conntrack: fix crash due to removal of uninitialised entry
- eth: airoha: fix potential UaF in airoha_npu_get()
Previous releases - regressions:
- net: fix segmentation after TCP/UDP fraglist GRO
- af_packet: fix the SO_SNDTIMEO constraint not taking effect and a
potential soft lockup waiting for a completion
- rpl: fix UaF in rpl_do_srh_inline() for sneaky skb geometry
- virtio-net: fix recursive rtnl_lock() during probe()
- eth: stmmac: populate entire system_counterval_t in get_time_fn()
- eth: libwx: fix a number of crashes in the driver Rx path
- hv_netvsc: prevent IPv6 addrconf after IFF_SLAVE lost that meaning
Previous releases - always broken:
- mptcp: fix races in handling connection fallback to pure TCP
- rxrpc: assorted error handling and race fixes
- sched: another batch of "security" fixes for qdiscs (QFQ, HTB)
- tls: always refresh the queue when reading sock, avoid UaF
- phy: don't register LEDs for genphy, avoid deadlock
- Bluetooth: btintel: check if controller is ISO capable on
btintel_classify_pkt_type(), work around FW returning incorrect
capabilities
Misc:
- make OpenVPN Netlink input checking more strict before it makes it
to a final release
- wifi: cfg80211: remove scan request n_channels __counted_by, it's
only yielding false positives"
* tag 'net-6.16-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (66 commits)
rxrpc: Fix to use conn aborts for conn-wide failures
rxrpc: Fix transmission of an abort in response to an abort
rxrpc: Fix notification vs call-release vs recvmsg
rxrpc: Fix recv-recv race of completed call
rxrpc: Fix irq-disabled in local_bh_enable()
selftests/tc-testing: Test htb_dequeue_tree with deactivation and row emptying
net/sched: Return NULL when htb_lookup_leaf encounters an empty rbtree
net: bridge: Do not offload IGMP/MLD messages
selftests: Add test cases for vlan_filter modification during runtime
net: vlan: fix VLAN 0 refcount imbalance of toggling filtering during runtime
tls: always refresh the queue when reading sock
virtio-net: fix recursived rtnl_lock() during probe()
net/mlx5: Update the list of the PCI supported devices
hv_netvsc: Set VF priv_flags to IFF_NO_ADDRCONF before open to prevent IPv6 addrconf
phonet/pep: Move call to pn_skb_get_dst_sockaddr() earlier in pep_sock_accept()
Bluetooth: L2CAP: Fix attempting to adjust outgoing MTU
netfilter: nf_conntrack: fix crash due to removal of uninitialised entry
net: fix segmentation after TCP/UDP fraglist GRO
ipv6: mcast: Delay put pmc->idev in mld_del_delrec()
net: airoha: fix potential use-after-free in airoha_npu_get()
...
Ensure that any deactivation and row emptying that occurs
during htb_dequeue_tree does not cause a kernel panic.
This scenario originally triggered a kernel BUG_ON, and
we are checking for a graceful fail now.
Signed-off-by: William Liu <will@willsroot.io>
Signed-off-by: Savino Dicanosa <savy@syst3mfailure.io>
Link: https://patch.msgid.link/20250717022912.221426-1-will@willsroot.io
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Add test cases for vlan_filter modification during runtime, which
may triger null-ptr-ref or memory leak of vlan0.
Signed-off-by: Dong Chenchen <dongchenchen2@huawei.com>
Link: https://patch.msgid.link/20250716034504.2285203-3-dongchenchen2@huawei.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'nf-25-07-17' of git://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf
Pablo Neira Ayuso says:
====================
Netfilter fixes for net
The following batch contains Netfilter fixes for net:
1) Three patches to enhance conntrack selftests for resize and clash
resolution, from Florian Westphal.
2) Expand nft_concat_range.sh selftest to improve coverage from error
path, from Florian Westphal.
3) Hide clash bit to userspace from netlink dumps until there is a
good reason to expose, from Florian Westphal.
4) Revert notification for device registration/unregistration for
nftables basechains and flowtables, we decided to go for a better
way to handle this through the nfnetlink_hook infrastructure which
will come via nf-next, patch from Phil Sutter.
5) Fix crash in conntrack due to race related to SLAB_TYPESAFE_BY_RCU
that results in removing a recycled object that is not yet in the
hashes. Move IPS_CONFIRM setting after the object is in the hashes.
From Florian Westphal.
netfilter pull request 25-07-17
* tag 'nf-25-07-17' of git://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf:
netfilter: nf_conntrack: fix crash due to removal of uninitialised entry
Revert "netfilter: nf_tables: Add notifications for hook changes"
netfilter: nf_tables: hide clash bit from userspace
selftests: netfilter: nft_concat_range.sh: send packets to empty set
selftests: netfilter: conntrack_resize.sh: also use udpclash tool
selftests: netfilter: add conntrack clash resolution test case
selftests: netfilter: conntrack_resize.sh: extend resize test
====================
Link: https://patch.msgid.link/20250717095808.41725-1-pablo@netfilter.org
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Add a test that invokes a BPF prog in a loop, while concurrently
attaching and detaching another BPF prog to and from it. This helps
identifying race conditions in bpf_arch_text_poke().
Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com>
Link: https://lore.kernel.org/r/20250716194524.48109-3-iii@linux.ibm.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
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Merge tag 'hid-for-linus-2025071501' of git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid
Pull HID fixes from Benjamin Tissoires:
- one warning cleanup introduced in the last PR (Andy Shevchenko)
- a nasty syzbot buffer underflow fix co-debugged with Alan Stern
(Benjamin Tissoires)
* tag 'hid-for-linus-2025071501' of git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid:
selftests/hid: add a test case for the recent syzbot underflow
HID: core: do not bypass hid_hw_raw_request
HID: core: ensure __hid_request reserves the report ID as the first byte
HID: core: ensure the allocated report buffer can contain the reserved report ID
HID: debug: Remove duplicate entry (BTN_WHEEL)
As described in a previous commit [1], Lion's patch [2] revealed an ancient
bug in the qdisc API. Whenever a user tries to add a qdisc to an
invalid parent (not a class, root, or ingress qdisc), the qdisc API will
detect this after qdisc_create is called. Some qdiscs (like fq_codel, pie,
and sfq) call functions (on their init callback) which assume the parent is
valid, so qdisc_create itself may have caused a NULL pointer dereference in
such cases.
This commit creates 3 TDC tests that attempt to add fq_codel, pie and sfq
qdiscs to invalid parents
- Attempts to add an fq_codel qdisc to an hhf qdisc parent
- Attempts to add a pie qdisc to a drr qdisc parent
- Attempts to add an sfq qdisc to an inexistent hfsc classid (which would
belong to a valid hfsc qdisc)
[1] https://lore.kernel.org/all/20250707210801.372995-1-victor@mojatatu.com/
[2] https://lore.kernel.org/netdev/d912cbd7-193b-4269-9857-525bee8bbb6a@gmail.com/
Signed-off-by: Victor Nogueira <victor@mojatatu.com>
Link: https://patch.msgid.link/20250712145035.705156-1-victor@mojatatu.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The selftest doesn't cover this error path:
scratch = *raw_cpu_ptr(m->scratch);
if (unlikely(!scratch)) { // here
cover this too.
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Previous patch added a new clash resolution test case.
Also use this during conntrack resize stress test in addition
to icmp ping flood.
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Add a dedicated test to exercise conntrack clash resolution path.
Test program emits 128 identical udp packets in parallel, then reads
back replies from socat echo server.
Also check (via conntrack -S) that the clash path was hit at least once.
Due to the racy nature of the test its possible that despite the
threaded program all packets were processed in-order or on same cpu,
emit a SKIP warning in this case.
Two tests are added:
- one to test the simpler, non-nat case
- one to exercise clash resolution where packets
might have different nat transformations attached to them.
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Extend the resize test:
- continuously dump table both via /proc and ctnetlink interfaces while
table is resized in a loop.
- if socat is available, send udp packets in additon to ping requests.
- increase/decrease the icmp and udp timeouts while resizes are happening.
This makes sure we also exercise the 'ct has expired' check that happens
on conntrack lookup.
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Syzbot found a buffer underflow in __hid_request(). Add a related test
case for it.
It's not perfect, but it allows to catch a corner case when a report
descriptor is crafted so that it has a size of 0.
Link: https://patch.msgid.link/20250710-report-size-null-v2-4-ccf922b7c4e5@kernel.org
Signed-off-by: Benjamin Tissoires <bentiss@kernel.org>
I got the following warning when writing other tests:
+ handle_test_result_pass 'bond 802.3ad' '(lacp_active off)'
+ local 'test_name=bond 802.3ad'
+ shift
+ local 'opt_str=(lacp_active off)'
+ shift
+ log_test_result 'bond 802.3ad' '(lacp_active off)' ' OK '
+ local 'test_name=bond 802.3ad'
+ shift
+ local 'opt_str=(lacp_active off)'
+ shift
+ local 'result= OK '
+ shift
+ local retmsg=
+ shift
/net/tools/testing/selftests/net/forwarding/../lib.sh: line 315: shift: shift count out of range
This happens because an extra shift is executed even after all arguments
have been consumed. Remove the last shift in log_test_result() to avoid
this warning.
Fixes: a923af1cee ("selftests: forwarding: Convert log_test() to recognize RET values")
Signed-off-by: Hangbin Liu <liuhangbin@gmail.com>
Link: https://patch.msgid.link/20250709091244.88395-1-liuhangbin@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The previous patch fixes a bug that prevented the creation of the
default IPv6 multicast route (ff00::/8) for some GRE devices. Now let's
extend the GRE IPv6 selftests to cover this case.
Also, rename check_ipv6_ll_addr() to check_ipv6_device_config() and
adapt comments and script output to take into account the fact that
we're not limited to link-local address generation.
Signed-off-by: Guillaume Nault <gnault@redhat.com>
Reviewed-by: Ido Schimmel <idosch@nvidia.com>
Link: https://patch.msgid.link/65a89583bde3bf866a1922c2e5158e4d72c520e2.1752070620.git.gnault@redhat.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Current release - regressions:
- tcp: refine sk_rcvbuf increase for ooo packets
- bluetooth: fix attempting to send HCI_Disconnect to BIS handle
- rxrpc: fix over large frame size warning
- eth: bcmgenet: initialize u64 stats seq counter
Previous releases - regressions:
- tcp: correct signedness in skb remaining space calculation
- sched: abort __tc_modify_qdisc if parent class does not exist
- vsock: fix transport_{g2h,h2g} TOCTOU
- rxrpc: fix bug due to prealloc collision
- tipc: fix use-after-free in tipc_conn_close().
- bluetooth: fix not marking Broadcast Sink BIS as connected
- phy: qca808x: fix WoL issue by utilizing at8031_set_wol()
- eth: am65-cpsw-nuss: fix skb size by accounting for skb_shared_info
Previous releases - always broken:
- netlink: fix wraparounds of sk->sk_rmem_alloc.
- atm: fix infinite recursive call of clip_push().
- eth: stmmac: fix interrupt handling for level-triggered mode in DWC_XGMAC2
- eth: rtsn: fix a null pointer dereference in rtsn_probe()
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Merge tag 'net-6.16-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Paolo Abeni:
"Including fixes from Bluetooth.
Current release - regressions:
- tcp: refine sk_rcvbuf increase for ooo packets
- bluetooth: fix attempting to send HCI_Disconnect to BIS handle
- rxrpc: fix over large frame size warning
- eth: bcmgenet: initialize u64 stats seq counter
Previous releases - regressions:
- tcp: correct signedness in skb remaining space calculation
- sched: abort __tc_modify_qdisc if parent class does not exist
- vsock: fix transport_{g2h,h2g} TOCTOU
- rxrpc: fix bug due to prealloc collision
- tipc: fix use-after-free in tipc_conn_close().
- bluetooth: fix not marking Broadcast Sink BIS as connected
- phy: qca808x: fix WoL issue by utilizing at8031_set_wol()
- eth: am65-cpsw-nuss: fix skb size by accounting for skb_shared_info
Previous releases - always broken:
- netlink: fix wraparounds of sk->sk_rmem_alloc.
- atm: fix infinite recursive call of clip_push().
- eth:
- stmmac: fix interrupt handling for level-triggered mode in DWC_XGMAC2
- rtsn: fix a null pointer dereference in rtsn_probe()"
* tag 'net-6.16-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (37 commits)
net/sched: sch_qfq: Fix null-deref in agg_dequeue
rxrpc: Fix oops due to non-existence of prealloc backlog struct
rxrpc: Fix bug due to prealloc collision
MAINTAINERS: remove myself as netronome maintainer
selftests/net: packetdrill: add tcp_ooo-before-and-after-accept.pkt
tcp: refine sk_rcvbuf increase for ooo packets
net/sched: Abort __tc_modify_qdisc if parent class does not exist
net: ethernet: ti: am65-cpsw-nuss: Fix skb size by accounting for skb_shared_info
net: thunderx: avoid direct MTU assignment after WRITE_ONCE()
selftests/tc-testing: Create test case for UAF scenario with DRR/NETEM/BLACKHOLE chain
atm: clip: Fix NULL pointer dereference in vcc_sendmsg()
atm: clip: Fix infinite recursive call of clip_push().
atm: clip: Fix memory leak of struct clip_vcc.
atm: clip: Fix potential null-ptr-deref in to_atmarpd().
net: phy: smsc: Fix link failure in forced mode with Auto-MDIX
net: phy: smsc: Force predictable MDI-X state on LAN87xx
net: phy: smsc: Fix Auto-MDIX configuration when disabled by strap
net: stmmac: Fix interrupt handling for level-triggered mode in DWC_XGMAC2
rxrpc: Fix over large frame size warning
net: airoha: Fix an error handling path in airoha_probe()
...
- Remove the last leftovers of the ill-fated FPSIMD host state
mapping at EL2 stage-1
- Fix unexpected advertisement to the guest of unimplemented S2 base
granule sizes
- Gracefully fail initialising pKVM if the interrupt controller isn't
GICv3
- Also gracefully fail initialising pKVM if the carveout allocation
fails
- Fix the computing of the minimum MMIO range required for the host on
stage-2 fault
- Fix the generation of the GICv3 Maintenance Interrupt in nested mode
x86:
- Reject SEV{-ES} intra-host migration if one or more vCPUs are actively
being created, so as not to create a non-SEV{-ES} vCPU in an SEV{-ES} VM.
- Use a pre-allocated, per-vCPU buffer for handling de-sparsification of
vCPU masks in Hyper-V hypercalls; fixes a "stack frame too large" issue.
- Allow out-of-range/invalid Xen event channel ports when configuring IRQ
routing, to avoid dictating a specific ioctl() ordering to userspace.
- Conditionally reschedule when setting memory attributes to avoid soft
lockups when userspace converts huge swaths of memory to/from private.
- Add back MWAIT as a required feature for the MONITOR/MWAIT selftest.
- Add a missing field in struct sev_data_snp_launch_start that resulted in
the guest-visible workarounds field being filled at the wrong offset.
- Skip non-canonical address when processing Hyper-V PV TLB flushes to avoid
VM-Fail on INVVPID.
- Advertise supported TDX TDVMCALLs to userspace.
- Pass SetupEventNotifyInterrupt arguments to userspace.
- Fix TSC frequency underflow.
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
Pull KVM fixes from Paolo Bonzini:
"Many patches, pretty much all of them small, that accumulated while I
was on vacation.
ARM:
- Remove the last leftovers of the ill-fated FPSIMD host state
mapping at EL2 stage-1
- Fix unexpected advertisement to the guest of unimplemented S2 base
granule sizes
- Gracefully fail initialising pKVM if the interrupt controller isn't
GICv3
- Also gracefully fail initialising pKVM if the carveout allocation
fails
- Fix the computing of the minimum MMIO range required for the host
on stage-2 fault
- Fix the generation of the GICv3 Maintenance Interrupt in nested
mode
x86:
- Reject SEV{-ES} intra-host migration if one or more vCPUs are
actively being created, so as not to create a non-SEV{-ES} vCPU in
an SEV{-ES} VM
- Use a pre-allocated, per-vCPU buffer for handling de-sparsification
of vCPU masks in Hyper-V hypercalls; fixes a "stack frame too
large" issue
- Allow out-of-range/invalid Xen event channel ports when configuring
IRQ routing, to avoid dictating a specific ioctl() ordering to
userspace
- Conditionally reschedule when setting memory attributes to avoid
soft lockups when userspace converts huge swaths of memory to/from
private
- Add back MWAIT as a required feature for the MONITOR/MWAIT selftest
- Add a missing field in struct sev_data_snp_launch_start that
resulted in the guest-visible workarounds field being filled at the
wrong offset
- Skip non-canonical address when processing Hyper-V PV TLB flushes
to avoid VM-Fail on INVVPID
- Advertise supported TDX TDVMCALLs to userspace
- Pass SetupEventNotifyInterrupt arguments to userspace
- Fix TSC frequency underflow"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
KVM: x86: avoid underflow when scaling TSC frequency
KVM: arm64: Remove kvm_arch_vcpu_run_map_fp()
KVM: arm64: Fix handling of FEAT_GTG for unimplemented granule sizes
KVM: arm64: Don't free hyp pages with pKVM on GICv2
KVM: arm64: Fix error path in init_hyp_mode()
KVM: arm64: Adjust range correctly during host stage-2 faults
KVM: arm64: nv: Fix MI line level calculation in vgic_v3_nested_update_mi()
KVM: x86/hyper-v: Skip non-canonical addresses during PV TLB flush
KVM: SVM: Add missing member in SNP_LAUNCH_START command structure
Documentation: KVM: Fix unexpected unindent warnings
KVM: selftests: Add back the missing check of MONITOR/MWAIT availability
KVM: Allow CPU to reschedule while setting per-page memory attributes
KVM: x86/xen: Allow 'out of range' event channel ports in IRQ routing table.
KVM: x86/hyper-v: Use preallocated per-vCPU buffer for de-sparsified vCPU masks
KVM: SVM: Initialize vmsa_pa in VMCB to INVALID_PAGE if VMSA page is NULL
KVM: SVM: Reject SEV{-ES} intra host migration if vCPU creation is in-flight
KVM: TDX: Report supported optional TDVMCALLs in TDX capabilities
KVM: TDX: Exit to userspace for SetupEventNotifyInterrupt
Test how new passive flows react to ooo incoming packets.
Their sk_rcvbuf can increase only after accept().
Signed-off-by: Eric Dumazet <edumazet@google.com>
Link: https://patch.msgid.link/20250707213900.1543248-3-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
- Add a selftests compilation product to the corresponding .gitignore file
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Merge tag 'locking_urgent_for_v6.16_rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull locking fixes from Borislav Petkov:
- Disable FUTEX_PRIVATE_HASH for this cycle due to a performance
regression
- Add a selftests compilation product to the corresponding .gitignore
file
* tag 'locking_urgent_for_v6.16_rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
selftests/futex: Add futex_numa to .gitignore
futex: Temporary disable FUTEX_PRIVATE_HASH
sys_futex_wait() expects a struct __kernel_timespec pointer for the
timeout, but the provided struct timespec pointer is of type struct
old_timespec32 when compiled for 32-bit architectures, unless they use
64-bit timespecs already.
Make it work for all variants by converting the provided timespec value
into a local struct __kernel_timespec and provide a pointer to it to the
syscall. This is a pointless operation for 64-bit, but this is not a
hotpath operation, so keep it simple.
This fix is based off [1]
Originally-by: Wei Gao <wegao@suse.com>
Signed-off-by: Terry Tritton <terry.tritton@linaro.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/all/20250704190234.14230-1-terry.tritton@linaro.org
Link: https://lore.kernel.org/all/20231203235117.29677-1-wegao@suse.com/ [1]
futex_numa was never added to the .gitignore file.
Add it.
Fixes: 9140f57c1c ("futex,selftests: Add another FUTEX2_NUMA selftest")
Signed-off-by: Terry Tritton <terry.tritton@linaro.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: André Almeida <andrealmeid@igalia.com>
Link: https://lore.kernel.org/all/20250704103749.10341-1-terry.tritton@linaro.org
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Merge tag 'vfs-6.16-rc5.fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs
Pull vfs fixes from Christian Brauner:
- Fix a regression caused by the anonymous inode rework. Making them
regular files causes various places in the kernel to tip over
starting with io_uring.
Revert to the former status quo and port our assertion to be based on
checking the inode so we don't lose the valuable VFS_*_ON_*()
assertions that have already helped discover weird behavior our
outright bugs.
- Fix the the upper bound calculation in fuse_fill_write_pages()
- Fix priority inversion issues in the eventpoll code
- Make secretmen use anon_inode_make_secure_inode() to avoid bypassing
the LSM layer
- Fix a netfs hang due to missing case in final DIO read result
collection
- Fix a double put of the netfs_io_request struct
- Provide some helpers to abstract out NETFS_RREQ_IN_PROGRESS flag
wrangling
- Fix infinite looping in netfs_wait_for_pause/request()
- Fix a netfs ref leak on an extra subrequest inserted into a request's
list of subreqs
- Fix various cifs RPC callbacks to set NETFS_SREQ_NEED_RETRY if a
subrequest fails retriably
- Fix a cifs warning in the workqueue code when reconnecting a channel
- Fix the updating of i_size in netfs to avoid a race between testing
if we should have extended the file with a DIO write and changing
i_size
- Merge the places in netfs that update i_size on write
- Fix coredump socket selftests
* tag 'vfs-6.16-rc5.fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs:
anon_inode: rework assertions
netfs: Update tracepoints in a number of ways
netfs: Renumber the NETFS_RREQ_* flags to make traces easier to read
netfs: Merge i_size update functions
netfs: Fix i_size updating
smb: client: set missing retry flag in cifs_writev_callback()
smb: client: set missing retry flag in cifs_readv_callback()
smb: client: set missing retry flag in smb2_writev_callback()
netfs: Fix ref leak on inserted extra subreq in write retry
netfs: Fix looping in wait functions
netfs: Provide helpers to perform NETFS_RREQ_IN_PROGRESS flag wangling
netfs: Fix double put of request
netfs: Fix hang due to missing case in final DIO read result collection
eventpoll: Fix priority inversion problem
fuse: fix fuse_fill_write_pages() upper bound calculation
fs: export anon_inode_make_secure_inode() and fix secretmem LSM bypass
selftests/coredump: Fix "socket_detect_userspace_client" test failure
On single-CPU systems, ops.select_cpu() is never called, causing the
EXIT_SELECT_CPU test case to wait indefinitely.
Avoid the stall by skipping this specific sub-test when only one CPU is
available.
Reported-by: Phil Auld <pauld@redhat.com>
Fixes: a5db7817af ("sched_ext: Add selftests")
Signed-off-by: Andrea Righi <arighi@nvidia.com>
Reviewed-by: Phil Auld <pauld@redhat.com>
Tested-by: Phil Auld <pauld@redhat.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
Some changes to the userspace selftest framework cause the iommufd tests
to start failing. This turned out to be bugs in the iommufd side that were
just getting uncovered.
- Deal with MAP_HUGETLB mmaping more than requested even when in MAP_FIXED
mode
- Fixup missing error flow cleanup in the test
- Check that the memory allocations suceeded
- Suppress some bogus gcc 'may be used uninitialized' warnings
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Merge tag 'for-linus-iommufd' of git://git.kernel.org/pub/scm/linux/kernel/git/jgg/iommufd
Pull iommufd fixes from Jason Gunthorpe:
"Some changes to the userspace selftest framework cause the iommufd
tests to start failing. This turned out to be bugs in the iommufd side
that were just getting uncovered.
- Deal with MAP_HUGETLB mmaping more than requested even when in
MAP_FIXED mode
- Fixup missing error flow cleanup in the test
- Check that the memory allocations suceeded
- Suppress some bogus gcc 'may be used uninitialized' warnings"
* tag 'for-linus-iommufd' of git://git.kernel.org/pub/scm/linux/kernel/git/jgg/iommufd:
iommufd/selftest: Fix build warnings due to uninitialized mfd
iommufd/selftest: Add asserts testing global mfd
iommufd/selftest: Add missing close(mfd) in memfd_mmap()
iommufd/selftest: Fix iommufd_dirty_tracking with large hugepage sizes
This patch adds a couple negative test cases with a trailing % at the
end of the format string. The %p% case was fixed by the previous commit,
whereas the %s% case was already successfully rejected before.
Acked-by: Yonghong Song <yonghong.song@linux.dev>
Signed-off-by: Paul Chaignon <paul.chaignon@gmail.com>
Link: https://lore.kernel.org/r/0669bf6eb4f9e5bb10e949d60311c06e2d942447.1751395489.git.paul.chaignon@gmail.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
or aren't considered necessary for -stable kernels. 5 are for MM.
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Merge tag 'mm-hotfixes-stable-2025-06-27-16-56' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull misc fixes from Andrew Morton:
"16 hotfixes.
6 are cc:stable and the remainder address post-6.15 issues or aren't
considered necessary for -stable kernels. 5 are for MM"
* tag 'mm-hotfixes-stable-2025-06-27-16-56' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm:
MAINTAINERS: add Lorenzo as THP co-maintainer
mailmap: update Duje Mihanović's email address
selftests/mm: fix validate_addr() helper
crashdump: add CONFIG_KEYS dependency
mailmap: correct name for a historical account of Zijun Hu
mailmap: add entries for Zijun Hu
fuse: fix runtime warning on truncate_folio_batch_exceptionals()
scripts/gdb: fix dentry_name() lookup
mm/damon/sysfs-schemes: free old damon_sysfs_scheme_filter->memcg_path on write
mm/alloc_tag: fix the kmemleak false positive issue in the allocation of the percpu variable tag->counters
lib/group_cpus: fix NULL pointer dereference from group_cpus_evenly()
mm/hugetlb: remove unnecessary holding of hugetlb_lock
MAINTAINERS: add missing files to mm page alloc section
MAINTAINERS: add tree entry to mm init block
mm: add OOM killer maintainer structure
fs/proc/task_mmu: fix PAGE_IS_PFNZERO detection for the huge zero folio
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Merge tag 'block-6.16-20250626' of git://git.kernel.dk/linux
Pull block fixes from Jens Axboe:
- Fixes for ublk:
- fix C++ narrowing warnings in the uapi header
- update/improve UBLK_F_SUPPORT_ZERO_COPY comment in uapi header
- fix for the ublk ->queue_rqs() implementation, limiting a batch
to just the specific task AND ring
- ublk_get_data() error handling fix
- sanity check more arguments in ublk_ctrl_add_dev()
- selftest addition
- NVMe pull request via Christoph:
- reset delayed remove_work after reconnect
- fix atomic write size validation
- Fix for a warning introduced in bdev_count_inflight_rw() in this
merge window
* tag 'block-6.16-20250626' of git://git.kernel.dk/linux:
block: fix false warning in bdev_count_inflight_rw()
ublk: sanity check add_dev input for underflow
nvme: fix atomic write size validation
nvme: refactor the atomic write unit detection
nvme: reset delayed remove_work after reconnect
ublk: setup ublk_io correctly in case of ublk_get_data() failure
ublk: update UBLK_F_SUPPORT_ZERO_COPY comment in UAPI header
ublk: fix narrowing warnings in UAPI header
selftests: ublk: don't take same backing file for more than one ublk devices
ublk: build batch from IOs in same io_ring_ctx and io task
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Merge tag 'bpf-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf
Pull bpf fixes from Alexei Starovoitov:
- Fix use-after-free in libbpf when map is resized (Adin Scannell)
- Fix verifier assumptions about 2nd argument of bpf_sysctl_get_name
(Jerome Marchand)
- Fix verifier assumption of nullness of d_inode in dentry (Song Liu)
- Fix global starvation of LRU map (Willem de Bruijn)
- Fix potential NULL dereference in btf_dump__free (Yuan Chen)
* tag 'bpf-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf:
selftests/bpf: adapt one more case in test_lru_map to the new target_free
libbpf: Fix possible use-after-free for externs
selftests/bpf: Convert test_sysctl to prog_tests
bpf: Specify access type of bpf_sysctl_get_name args
libbpf: Fix null pointer dereference in btf_dump__free on allocation failure
bpf: Adjust free target to avoid global starvation of LRU map
bpf: Mark dentry->d_inode as trusted_or_null
validate_addr() checks whether the address returned by mmap() lies in the
low or high VA space, according to whether a high addr hint was passed or
not. The fix commit mentioned below changed the code in such a way that
this function will always return failure when passed high_addr == 1; addr
will be >= HIGH_ADDR_MARK always, we will fall down to "if (addr >
HIGH_ADDR_MARK)" and return failure. Fix this.
Link: https://lkml.kernel.org/r/20250620111150.50344-1-dev.jain@arm.com
Fixes: d1d86ce28d ("selftests/mm: virtual_address_range: conform to TAP format output")
Signed-off-by: Dev Jain <dev.jain@arm.com>
Reviewed-by: Donet Tom <donettom@linux.ibm.com>
Acked-by: David Hildenbrand <david@redhat.com>
Cc: Anshuman Khandual <anshuman.khandual@arm.com>
Cc: Lorenzo Stoakes <lorenzo.stoakes@oracle.com>
Cc: Ryan Roberts <ryan.roberts@arm.com>
Cc: Shuah Khan <shuah@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
We're trying to add a strict regexp for the name format in the spec.
Underscores will not be allowed, dashes should be used instead.
This makes no difference to C (codegen replaces special chars in names)
but gives more uniform naming in Python.
Fixes: 13e59344fb ("net: ethtool: add support for symmetric-xor RSS hash")
Fixes: 46fb3ba95b ("ethtool: Add an interface for flashing transceiver modules' firmware")
Reviewed-by: Kory Maincent <kory.maincent@bootlin.com>
Reviewed-by: Donald Hunter <donald.hunter@gmail.com>
Link: https://patch.msgid.link/20250624211002.3475021-4-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The below commit that updated BPF_MAP_TYPE_LRU_HASH free target,
also updated tools/testing/selftests/bpf/test_lru_map to match.
But that missed one case that passes with 4 cores, but fails at
higher cpu counts.
Update test_lru_sanity3 to also adjust its expectation of target_free.
This time tested with 1, 4, 16, 64 and 384 cpu count.
Fixes: d4adf1c9ee ("bpf: Adjust free target to avoid global starvation of LRU map")
Signed-off-by: Willem de Bruijn <willemb@google.com>
Link: https://lore.kernel.org/r/20250625210412.2732970-1-willemdebruijn.kernel@gmail.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
The `name` field in `obj->externs` points into the BTF data at initial
open time. However, some functions may invalidate this after opening and
before loading (e.g. `bpf_map__set_value_size`), which results in
pointers into freed memory and undefined behavior.
The simplest solution is to simply `strdup` these strings, similar to
the `essent_name`, and free them at the same time.
In order to test this path, the `global_map_resize` BPF selftest is
modified slightly to ensure the presence of an extern, which causes this
test to fail prior to the fix. Given there isn't an obvious API or error
to test against, I opted to add this to the existing test as an aspect
of the resizing feature rather than duplicate the test.
Fixes: 9d0a23313b ("libbpf: Add capability for resizing datasec maps")
Signed-off-by: Adin Scannell <amscanne@meta.com>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/20250625050215.2777374-1-amscanne@meta.com
Don't use same backing file for more than one ublk devices, and avoid
concurrent write on same file from more ublk disks.
Fixes: 8ccebc19ee ("selftests: ublk: support UBLK_F_AUTO_BUF_REG")
Signed-off-by: Ming Lei <ming.lei@redhat.com>
Link: https://lore.kernel.org/r/20250623011934.741788-3-ming.lei@redhat.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
The revamp of monitor/mwait test missed the original check of feature
availability [*]. If MONITOR/MWAIT is not supported or is disabled by
IA32_MISC_ENABLE on the host, executing MONITOR or MWAIT instruction
from guest doesn't cause monitor/mwait VM exits, but a #UD.
[*] https://lore.kernel.org/all/20240411210237.34646-1-zide.chen@intel.com/
Reported-by: Xuelian Guo <xuelian.guo@intel.com>
Fixes: 80fd663590 ("selftests: kvm: revamp MONITOR/MWAIT tests")
Signed-off-by: Chenyi Qiang <chenyi.qiang@intel.com>
Link: https://lore.kernel.org/r/20250620062219.342930-1-chenyi.qiang@intel.com
Signed-off-by: Sean Christopherson <seanjc@google.com>
Commit 869c788909 ("selftests: harness: Stop using setjmp()/longjmp()")
changed the harness structure. For some unknown reason, two build warnings
occur to the iommufd selftest:
iommufd.c: In function ‘wrapper_iommufd_mock_domain_all_aligns’:
iommufd.c:1807:17: warning: ‘mfd’ may be used uninitialized in this function
1807 | close(mfd);
| ^~~~~~~~~~
iommufd.c:1767:13: note: ‘mfd’ was declared here
1767 | int mfd;
| ^~~
iommufd.c: In function ‘wrapper_iommufd_mock_domain_all_aligns_copy’:
iommufd.c:1870:17: warning: ‘mfd’ may be used uninitialized in this function
1870 | close(mfd);
| ^~~~~~~~~~
iommufd.c:1819:13: note: ‘mfd’ was declared here
1819 | int mfd;
| ^~~
All the mfd have been used in the variant->file path only, so it's likely
a false alarm.
FWIW, the commit mentioned above does not cause this, yet it might affect
gcc in a certain way that resulted in the warnings. It is also found that
ading a dummy setjmp (which doesn't make sense) could mute the warnings:
https://lore.kernel.org/all/aEi8DV+ReF3v3Rlf@nvidia.com/
The job of this selftest is to catch kernel bug, while such warnings will
unlikely disrupt its role. Mute the warning by force initializing the mfd
and add an ASSERT_GT().
Link: https://patch.msgid.link/r/6951d85d5cd34cbf22abab7714542654e63ecc44.1750787928.git.nicolinc@nvidia.com
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Signed-off-by: Nicolin Chen <nicolinc@nvidia.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
The hugepage test cases of iommufd_dirty_tracking have the 64MB and 128MB
coverages. Both of them are smaller than the default hugepage size 512MB,
when CONFIG_PAGE_SIZE_64KB=y. However, these test cases have a variant of
using huge pages, which would mmap(MAP_HUGETLB) using these smaller sizes
than the system hugepag size. This results in the kernel aligning up the
smaller size to 512MB. If a memory was located between the upper 64/128MB
size boundary and the hugepage 512MB boundary, it would get wiped out:
https://lore.kernel.org/all/aEoUhPYIAizTLADq@nvidia.com/
Given that this aligning up behavior is well documented, we have no choice
but to allocate a hugepage aligned size to avoid this unintended wipe out.
Instead of relying on the kernel's internal force alignment, pass the same
size to posix_memalign() and map().
Also, fix the FIXTURE_TEARDOWN() misusing munmap() to free the memory from
posix_memalign(), as munmap() doesn't destroy the allocator meta data. So,
call free() instead.
Fixes: a9af47e382 ("iommufd/selftest: Test IOMMU_HWPT_GET_DIRTY_BITMAP")
Link: https://patch.msgid.link/r/1ea8609ae6d523fdd4d8efb179ddee79c8582cb6.1750787928.git.nicolinc@nvidia.com
Cc: stable@vger.kernel.org
Suggested-by: Jason Gunthorpe <jgg@nvidia.com>
Signed-off-by: Nicolin Chen <nicolinc@nvidia.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
A new function resetpair() calls close() for the receiver and checks
the return value from recv() on the initial sender side.
Now resetpair() is added to each test case and some additional test
cases.
Note that TCP sets -ECONNRESET to the consumed OOB, but we have decided
not to touch TCP MSG_OOB code in the past.
Before:
# RUN msg_oob.no_peek.ex_oob_ex_oob ...
# msg_oob.c:236:ex_oob_ex_oob:AF_UNIX :Connection reset by peer
# msg_oob.c:237:ex_oob_ex_oob:Expected:
# msg_oob.c:239:ex_oob_ex_oob:Expected ret[0] (-1) == expected_len (0)
# ex_oob_ex_oob: Test terminated by assertion
# FAIL msg_oob.no_peek.ex_oob_ex_oob
not ok 14 msg_oob.no_peek.ex_oob_ex_oob
...
# FAILED: 36 / 48 tests passed.
# Totals: pass:36 fail:12 xfail:0 xpass:0 skip:0 error:0
After:
# RUN msg_oob.no_peek.ex_oob_ex_oob ...
# msg_oob.c:244:ex_oob_ex_oob:AF_UNIX :
# msg_oob.c:245:ex_oob_ex_oob:TCP :Connection reset by peer
# OK msg_oob.no_peek.ex_oob_ex_oob
ok 14 msg_oob.no_peek.ex_oob_ex_oob
...
# PASSED: 48 / 48 tests passed.
# Totals: pass:48 fail:0 xfail:0 xpass:0 skip:0 error:0
Signed-off-by: Kuniyuki Iwashima <kuniyu@google.com>
Link: https://patch.msgid.link/20250619041457.1132791-5-kuni1840@gmail.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Let's add a test case where consecutive concumed OOB skbs stay
at the head of the queue.
Without the previous patch, ioctl(SIOCATMARK) assertion fails.
Before:
# RUN msg_oob.no_peek.ex_oob_ex_oob_oob ...
# msg_oob.c:305:ex_oob_ex_oob_oob:Expected answ[0] (0) == oob_head (1)
# ex_oob_ex_oob_oob: Test terminated by assertion
# FAIL msg_oob.no_peek.ex_oob_ex_oob_oob
not ok 12 msg_oob.no_peek.ex_oob_ex_oob_oob
After:
# RUN msg_oob.no_peek.ex_oob_ex_oob_oob ...
# OK msg_oob.no_peek.ex_oob_ex_oob_oob
ok 12 msg_oob.no_peek.ex_oob_ex_oob_oob
Signed-off-by: Kuniyuki Iwashima <kuniyu@google.com>
Link: https://patch.msgid.link/20250619041457.1132791-3-kuni1840@gmail.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Convert test_sysctl test to prog_tests with minimal change to the
tests themselves.
Signed-off-by: Jerome Marchand <jmarchan@redhat.com>
Acked-by: Yonghong Song <yonghong.song@linux.dev>
Link: https://lore.kernel.org/r/20250619140603.148942-3-jmarchan@redhat.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
or aren't considered necessary for -stable kernels. Only 4 are for MM.
- The 3 patch series `Revert "bcache: update min_heap_callbacks to use
default builtin swap"' from Kuan-Wei Chiu backs out the author's recent
min_heap changes due to a performance regression. A fix for this
regression has been developed but we felt it best to go back to the
known-good version to give the new code more bake time.
- A lot of MAINTAINERS maintenance. I like to get these changes
upstreamed promptly because they can't break things and more
accurate/complete MAINTAINERS info hopefully improves the speed and
accuracy of our responses to submitters and reporters.
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Merge tag 'mm-hotfixes-stable-2025-06-22-18-52' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull misc fixes from Andrew Morton:
"20 hotfixes. 7 are cc:stable and the remainder address post-6.15
issues or aren't considered necessary for -stable kernels. Only 4 are
for MM.
- The series `Revert "bcache: update min_heap_callbacks to use
default builtin swap"' from Kuan-Wei Chiu backs out the author's
recent min_heap changes due to a performance regression.
A fix for this regression has been developed but we felt it best to
go back to the known-good version to give the new code more bake
time.
- A lot of MAINTAINERS maintenance.
I like to get these changes upstreamed promptly because they can't
break things and more accurate/complete MAINTAINERS info hopefully
improves the speed and accuracy of our responses to submitters and
reporters"
* tag 'mm-hotfixes-stable-2025-06-22-18-52' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm:
MAINTAINERS: add additional mmap-related files to mmap section
MAINTAINERS: add memfd, shmem quota files to shmem section
MAINTAINERS: add stray rmap file to mm rmap section
MAINTAINERS: add hugetlb_cgroup.c to hugetlb section
MAINTAINERS: add further init files to mm init block
MAINTAINERS: update maintainers for HugeTLB
maple_tree: fix MA_STATE_PREALLOC flag in mas_preallocate()
MAINTAINERS: add missing test files to mm gup section
MAINTAINERS: add missing mm/workingset.c file to mm reclaim section
selftests/mm: skip uprobe vma merge test if uprobes are not enabled
bcache: remove unnecessary select MIN_HEAP
Revert "bcache: remove heap-related macros and switch to generic min_heap"
Revert "bcache: update min_heap_callbacks to use default builtin swap"
selftests/mm: add configs to fix testcase failure
kho: initialize tail pages for higher order folios properly
MAINTAINERS: add linux-mm@ list to Kexec Handover
mm: userfaultfd: fix race of userfaultfd_move and swap cache
mm/gup: revert "mm: gup: fix infinite loop within __get_longterm_locked"
selftests/mm: increase timeout from 180 to 900 seconds
mm/shmem, swap: fix softlockup with mTHP swapin
The coredump.socket_detect_userspace_client test occasionally fails:
# RUN coredump.socket_detect_userspace_client ...
# stackdump_test.c:500:socket_detect_userspace_client:Expected 0 (0) != WIFEXITED(status) (0)
# socket_detect_userspace_client: Test terminated by assertion
# FAIL coredump.socket_detect_userspace_client
not ok 3 coredump.socket_detect_userspace_client
because there is no guarantee that client's write() happens before server's
close(). The client gets terminated SIGPIPE, and thus the test fails.
Add a read() to server to make sure server's close() doesn't happen before
client's write().
Fixes: 7b6724fe9a ("selftests/coredump: add tests for AF_UNIX coredumps")
Signed-off-by: Nam Cao <namcao@linutronix.de>
Link: https://lore.kernel.org/20250620110252.1640391-1-namcao@linutronix.de
Signed-off-by: Christian Brauner <brauner@kernel.org>
that two threads requesting that simultaneously cannot get to inconsistent
state
- Reject negative NUMA nodes earlier in the futex NUMA interface handling code
- Selftests fixes
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Merge tag 'locking_urgent_for_v6.16_rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull locking fixes from Borislav Petkov:
- Make sure the switch to the global hash is requested always under a
lock so that two threads requesting that simultaneously cannot get to
inconsistent state
- Reject negative NUMA nodes earlier in the futex NUMA interface
handling code
- Selftests fixes
* tag 'locking_urgent_for_v6.16_rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
futex: Verify under the lock if hash can be replaced
futex: Handle invalid node numbers supplied by user
selftests/futex: Set the home_node in futex_numa_mpol
selftests/futex: getopt() requires int as return value.
- Fix another set of FP/SIMD/SVE bugs affecting NV, and plugging some
missing synchronisation
- A small fix for the irqbypass hook fixes, tightening the check and
ensuring that we only deal with MSI for both the old and the new
route entry
- Rework the way the shadow LRs are addressed in a nesting
configuration, plugging an embarrassing bug as well as simplifying
the whole process
- Add yet another fix for the dreaded arch_timer_edge_cases selftest
RISC-V:
- Fix the size parameter check in SBI SFENCE calls
- Don't treat SBI HFENCE calls as NOPs
x86 TDX:
- Complete API for handling complex TDVMCALLs in userspace. This was
delayed because the spec lacked a way for userspace to deny supporting
these calls; the new exit code is now approved.
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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:
- Fix another set of FP/SIMD/SVE bugs affecting NV, and plugging some
missing synchronisation
- A small fix for the irqbypass hook fixes, tightening the check and
ensuring that we only deal with MSI for both the old and the new
route entry
- Rework the way the shadow LRs are addressed in a nesting
configuration, plugging an embarrassing bug as well as simplifying
the whole process
- Add yet another fix for the dreaded arch_timer_edge_cases selftest
RISC-V:
- Fix the size parameter check in SBI SFENCE calls
- Don't treat SBI HFENCE calls as NOPs
x86 TDX:
- Complete API for handling complex TDVMCALLs in userspace.
This was delayed because the spec lacked a way for userspace to
deny supporting these calls; the new exit code is now approved"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
KVM: TDX: Exit to userspace for GetTdVmCallInfo
KVM: TDX: Handle TDG.VP.VMCALL<GetQuote>
KVM: TDX: Add new TDVMCALL status code for unsupported subfuncs
KVM: arm64: VHE: Centralize ISBs when returning to host
KVM: arm64: Remove cpacr_clear_set()
KVM: arm64: Remove ad-hoc CPTR manipulation from kvm_hyp_handle_fpsimd()
KVM: arm64: Remove ad-hoc CPTR manipulation from fpsimd_sve_sync()
KVM: arm64: Reorganise CPTR trap manipulation
KVM: arm64: VHE: Synchronize CPTR trap deactivation
KVM: arm64: VHE: Synchronize restore of host debug registers
KVM: arm64: selftests: Close the GIC FD in arch_timer_edge_cases
KVM: arm64: Explicitly treat routing entry type changes as changes
KVM: arm64: nv: Fix tracking of shadow list registers
RISC-V: KVM: Don't treat SBI HFENCE calls as NOPs
RISC-V: KVM: Fix the size parameter check in SBI SFENCE calls
Linus Torvalds