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git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl
Pull Compute Express Link (CXL) fixes from Dave Jiang:
- Recognize all ZONE_DEVICE users as physaddr consumers
- Fix format string for extended_linear_cache_size_show()
- Fix target list setup for multiple decoders sharing the same
downstream port
- Restore HBIW check before derefernce platform data
- Fix potential infinite loop in __cxl_dpa_reserve()
- Check for invalid addresses returned from translation functions on
error
* tag 'cxl-fixes-6.19-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl:
cxl: Check for invalid addresses returned from translation functions on errors
cxl/hdm: Fix potential infinite loop in __cxl_dpa_reserve()
cxl/acpi: Restore HBIW check before dereferencing platform_data
cxl/port: Fix target list setup for multiple decoders sharing the same dport
cxl/region: fix format string for resource_size_t
x86/kaslr: Recognize all ZONE_DEVICE users as physaddr consumers
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git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull misc fixes from Andrew Morton:
- kerneldoc fixes from Bagas Sanjaya
- DAMON fixes from SeongJae
- mremap VMA-related fixes from Lorenzo
- various singletons - please see the changelogs for details
* tag 'mm-hotfixes-stable-2026-01-15-08-03' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (30 commits)
drivers/dax: add some missing kerneldoc comment fields for struct dev_dax
mm: numa,memblock: include <asm/numa.h> for 'numa_nodes_parsed'
mailmap: add entry for Daniel Thompson
tools/testing/selftests: fix gup_longterm for unknown fs
mm/page_alloc: prevent pcp corruption with SMP=n
iommu/sva: include mmu_notifier.h header
mm: kmsan: fix poisoning of high-order non-compound pages
tools/testing/selftests: add forked (un)/faulted VMA merge tests
mm/vma: enforce VMA fork limit on unfaulted,faulted mremap merge too
tools/testing/selftests: add tests for !tgt, src mremap() merges
mm/vma: fix anon_vma UAF on mremap() faulted, unfaulted merge
mm/zswap: fix error pointer free in zswap_cpu_comp_prepare()
mm/damon/sysfs-scheme: cleanup access_pattern subdirs on scheme dir setup failure
mm/damon/sysfs-scheme: cleanup quotas subdirs on scheme dir setup failure
mm/damon/sysfs: cleanup attrs subdirs on context dir setup failure
mm/damon/sysfs: cleanup intervals subdirs on attrs dir setup failure
mm/damon/core: remove call_control in inactive contexts
powerpc/watchdog: add support for hardlockup_sys_info sysctl
mips: fix HIGHMEM initialization
mm/hugetlb: ignore hugepage kernel args if hugepages are unsupported
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git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Paolo Abeni:
"Including fixes from bluetooth, can and IPsec.
Current release - regressions:
- net: add net.core.qdisc_max_burst
- can: propagate CAN device capabilities via ml_priv
Previous releases - regressions:
- dst: fix races in rt6_uncached_list_del() and
rt_del_uncached_list()
- ipv6: fix use-after-free in inet6_addr_del().
- xfrm: fix inner mode lookup in tunnel mode GSO segmentation
- ip_tunnel: spread netdev_lockdep_set_classes()
- ip6_tunnel: use skb_vlan_inet_prepare() in __ip6_tnl_rcv()
- bluetooth: hci_sync: enable PA sync lost event
- eth: virtio-net:
- fix the deadlock when disabling rx NAPI
- fix misalignment bug in struct virtnet_info
Previous releases - always broken:
- ipv4: ip_gre: make ipgre_header() robust
- can: fix SSP_SRC in cases when bit-rate is higher than 1 MBit.
- eth:
- mlx5e: profile change fix
- octeon_ep_vf: fix free_irq dev_id mismatch in IRQ rollback
- macvlan: fix possible UAF in macvlan_forward_source()"
* tag 'net-6.19-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (37 commits)
virtio_net: Fix misalignment bug in struct virtnet_info
net: can: j1939: j1939_xtp_rx_rts_session_active(): deactivate session upon receiving the second rts
can: raw: instantly reject disabled CAN frames
can: propagate CAN device capabilities via ml_priv
Revert "can: raw: instantly reject unsupported CAN frames"
net/sched: sch_qfq: do not free existing class in qfq_change_class()
selftests: drv-net: fix RPS mask handling for high CPU numbers
selftests: drv-net: fix RPS mask handling in toeplitz test
ipv6: Fix use-after-free in inet6_addr_del().
dst: fix races in rt6_uncached_list_del() and rt_del_uncached_list()
net: hv_netvsc: reject RSS hash key programming without RX indirection table
tools: ynl: render event op docs correctly
net: add net.core.qdisc_max_burst
net: airoha: Fix typo in airoha_ppe_setup_tc_block_cb definition
net: phy: motorcomm: fix duplex setting error for phy leds
net: octeon_ep_vf: fix free_irq dev_id mismatch in IRQ rollback
net/mlx5e: Restore destroying state bit after profile cleanup
net/mlx5e: Pass netdev to mlx5e_destroy_netdev instead of priv
net/mlx5e: Don't store mlx5e_priv in mlx5e_dev devlink priv
net/mlx5e: Fix crash on profile change rollback failure
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Commit 66bce7afbaca ("selftests/mm: fix test result reporting in
gup_longterm") introduced a small bug causing unknown filesystems to
always result in a test failure.
This is because do_test() was updated to use a common reporting path, but
this case appears to have been missed.
This is problematic for e.g. virtme-ng which uses an overlayfs file
system, causing gup_longterm to appear to fail each time due to a test
count mismatch:
# Planned tests != run tests (50 != 46)
# Totals: pass:24 fail:0 xfail:0 xpass:0 skip:22 error:0
The fix is to simply change the return into a break.
Link: https://lkml.kernel.org/r/20260106154547.214907-1-lorenzo.stoakes@oracle.com
Fixes: 66bce7afbaca ("selftests/mm: fix test result reporting in gup_longterm")
Signed-off-by: Lorenzo Stoakes <lorenzo.stoakes@oracle.com>
Reviewed-by: David Hildenbrand (Red Hat) <david@kernel.org>
Cc: Jason Gunthorpe <jgg@ziepe.ca>
Cc: John Hubbard <jhubbard@nvidia.com>
Cc: Liam Howlett <liam.howlett@oracle.com>
Cc: "Liam R. Howlett" <Liam.Howlett@oracle.com>
Cc: Mark Brown <broonie@kernel.org>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Mike Rapoport <rppt@kernel.org>
Cc: Peter Xu <peterx@redhat.com>
Cc: Shuah Khan <shuah@kernel.org>
Cc: Suren Baghdasaryan <surenb@google.com>
Cc: Vlastimil Babka <vbabka@suse.cz>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
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Now we correctly handle forked faulted/unfaulted merge on mremap(),
exhaustively assert that we handle this correctly.
Do this in the less duplicative way by adding a new merge_with_fork
fixture and forked/unforked variants, and abstract the forking logic as
necessary to avoid code duplication with this also.
Link: https://lkml.kernel.org/r/1daf76d89fdb9d96f38a6a0152d8f3c2e9e30ac7.1767638272.git.lorenzo.stoakes@oracle.com
Fixes: 879bca0a2c4f ("mm/vma: fix incorrectly disallowed anonymous VMA merges")
Signed-off-by: Lorenzo Stoakes <lorenzo.stoakes@oracle.com>
Cc: David Hildenbrand (Red Hat) <david@kernel.org>
Cc: Jann Horn <jannh@google.com>
Cc: Jeongjun Park <aha310510@gmail.com>
Cc: Liam Howlett <liam.howlett@oracle.com>
Cc: Pedro Falcato <pfalcato@suse.de>
Cc: Rik van Riel <riel@surriel.com>
Cc: Vlastimil Babka <vbabka@suse.cz>
Cc: Yeoreum Yun <yeoreum.yun@arm.com>
Cc: Harry Yoo <harry.yoo@oracle.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
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Test that mremap()'ing a VMA into a position such that the target VMA on
merge is unfaulted and the source faulted is correctly performed.
We cover 4 cases:
1. Previous VMA unfaulted:
copied -----|
v
|-----------|.............|
| unfaulted |(faulted VMA)|
|-----------|.............|
prev
target = prev, expand prev to cover.
2. Next VMA unfaulted:
copied -----|
v
|.............|-----------|
|(faulted VMA)| unfaulted |
|.............|-----------|
next
target = next, expand next to cover.
3. Both adjacent VMAs unfaulted:
copied -----|
v
|-----------|.............|-----------|
| unfaulted |(faulted VMA)| unfaulted |
|-----------|.............|-----------|
prev next
target = prev, expand prev to cover.
4. prev unfaulted, next faulted:
copied -----|
v
|-----------|.............|-----------|
| unfaulted |(faulted VMA)| faulted |
|-----------|.............|-----------|
prev next
target = prev, expand prev to cover. Essentially equivalent to 3, but
with additional requirement that next's anon_vma is the same as the
copied VMA's.
Each of these are performed with MREMAP_DONTUNMAP set, which will cause a
KASAN assert for UAF or an assert on zero refcount anon_vma if a bug
exists with correctly propagating anon_vma state in each scenario.
Link: https://lkml.kernel.org/r/f903af2930c7c2c6e0948c886b58d0f42d8e8ba3.1767638272.git.lorenzo.stoakes@oracle.com
Fixes: 879bca0a2c4f ("mm/vma: fix incorrectly disallowed anonymous VMA merges")
Signed-off-by: Lorenzo Stoakes <lorenzo.stoakes@oracle.com>
Cc: David Hildenbrand (Red Hat) <david@kernel.org>
Cc: Jann Horn <jannh@google.com>
Cc: Jeongjun Park <aha310510@gmail.com>
Cc: Liam Howlett <liam.howlett@oracle.com>
Cc: Pedro Falcato <pfalcato@suse.de>
Cc: Rik van Riel <riel@surriel.com>
Cc: Vlastimil Babka <vbabka@suse.cz>
Cc: Yeoreum Yun <yeoreum.yun@arm.com>
Cc: Harry Yoo <harry.yoo@oracle.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
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Pull bpf fixes from Alexei Starovoitov:
- Fix incorrect usage of BPF_TRAMP_F_ORIG_STACK in riscv JIT (Menglong
Dong)
- Fix reference count leak in bpf_prog_test_run_xdp() (Tetsuo Handa)
- Fix metadata size check in bpf_test_run() (Toke Høiland-Jørgensen)
- Check that BPF insn array is not allowed as a map for const strings
(Deepanshu Kartikey)
* tag 'bpf-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf:
bpf: Fix reference count leak in bpf_prog_test_run_xdp()
bpf: Reject BPF_MAP_TYPE_INSN_ARRAY in check_reg_const_str()
selftests/bpf: Update xdp_context_test_run test to check maximum metadata size
bpf, test_run: Subtract size of xdp_frame from allowed metadata size
riscv, bpf: Fix incorrect usage of BPF_TRAMP_F_ORIG_STACK
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The RPS bitmask bounds check uses ~(RPS_MAX_CPUS - 1) which equals ~15 =
0xfff0, only allowing CPUs 0-3.
Change the mask to ~((1UL << RPS_MAX_CPUS) - 1) = ~0xffff to allow CPUs
0-15.
Fixes: 5ebfb4cc3048 ("selftests/net: toeplitz test")
Reviewed-by: Nimrod Oren <noren@nvidia.com>
Signed-off-by: Gal Pressman <gal@nvidia.com>
Reviewed-by: Willem de Bruijn <willemb@google.com>
Link: https://patch.msgid.link/20260112173715.384843-3-gal@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The toeplitz.py test passed the hex mask without "0x" prefix (e.g.,
"300" for CPUs 8,9). The toeplitz.c strtoul() call wrongly parsed this
as decimal 300 (0x12c) instead of hex 0x300.
Pass the prefixed mask to toeplitz.c, and the unprefixed one to sysfs.
Fixes: 9cf9aa77a1f6 ("selftests: drv-net: hw: convert the Toeplitz test to Python")
Reviewed-by: Nimrod Oren <noren@nvidia.com>
Signed-off-by: Gal Pressman <gal@nvidia.com>
Reviewed-by: Willem de Bruijn <willemb@google.com>
Link: https://patch.msgid.link/20260112173715.384843-2-gal@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Pull x86 kvm fixes from Paolo Bonzini:
- Avoid freeing stack-allocated node in kvm_async_pf_queue_task
- Clear XSTATE_BV[i] in guest XSAVE state whenever XFD[i]=1
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
selftests: kvm: Verify TILELOADD actually #NM faults when XFD[18]=1
selftests: kvm: try getting XFD and XSAVE state out of sync
selftests: kvm: replace numbered sync points with actions
x86/fpu: Clear XSTATE_BV[i] in guest XSAVE state whenever XFD[i]=1
x86/kvm: Avoid freeing stack-allocated node in kvm_async_pf_queue_task
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Translation functions may return an invalid address in case of errors.
If the address is not checked the further use of the invalid value
will cause an address corruption.
Consistently check for a valid address returned by translation
functions. Use RESOURCE_SIZE_MAX to indicate an invalid address for
type resource_size_t. Depending on the type either RESOURCE_SIZE_MAX
or ULLONG_MAX is used to indicate an address error.
Propagating an invalid address from a failed translation may cause
userspace to think it has received a valid SPA, when in fact it is
wrong. The CXL userspace API, using trace events, expects ULLONG_MAX
to indicate a translation failure. If ULLONG_MAX is not returned
immediately, subsequent calculations can transform that bad address
into a different value (!ULLONG_MAX), and an invalid SPA may be
returned to userspace. This can lead to incorrect diagnostics and
erroneous corrective actions.
[ dj: Added user impact statement from Alison. ]
[ dj: Fixed checkpatch tab alignment issue. ]
Reviewed-by: Dave Jiang <dave.jiang@intel.com>
Signed-off-by: Robert Richter <rrichter@amd.com>
Fixes: c3dd67681c70 ("cxl/region: Add inject and clear poison by region offset")
Fixes: b78b9e7b7979 ("cxl/region: Refactor address translation funcs for testing")
Reviewed-by: Alison Schofield <alison.schofield@intel.com>
Reviewed-by: Jonathan Cameron <jonathan.cameron@huawei.com>
Link: https://patch.msgid.link/20260107120544.410993-1-rrichter@amd.com
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest
Pull kselftest fix from Shuah Khan:
"Fix tracing test_multiple_writes stalls when buffer_size_kb is less
than 12KB"
* tag 'linux_kselftest-fixes-6.19-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest:
selftests/tracing: Fix test_multiple_writes stall
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If the last test fails, the other side still completes correctly,
which could lead to false positives.
Let's add a final barrier that ensures that the last test has finished
correctly on both sides, but also that the two sides agree on the
number of tests to be performed.
Fixes: 2f65b44e199c ("VSOCK: add full barrier between test cases")
Reviewed-by: Luigi Leonardi <leonardi@redhat.com>
Signed-off-by: Stefano Garzarella <sgarzare@redhat.com>
Link: https://patch.msgid.link/20260108114419.52747-1-sgarzare@redhat.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Rework the AMX test's #NM handling to use kvm_asm_safe() to verify an #NM
actually occurs. As is, a completely missing #NM could go unnoticed.
Signed-off-by: Sean Christopherson <seanjc@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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The host is allowed to set FPU state that includes a disabled
xstate component. Check that this does not cause bad effects.
Cc: stable@vger.kernel.org
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Rework the guest=>host syncs in the AMX test to use named actions instead
of arbitrary, incrementing numbers. The "stage" of the test has no real
meaning, what matters is what action the test wants the host to perform.
The incrementing numbers are somewhat helpful for triaging failures, but
fully debugging failures almost always requires a much deeper dive into
the test (and KVM).
Using named actions not only makes it easier to extend the test without
having to shift all sync point numbers, it makes the code easier to read.
[Commit message by Sean Christopherson]
Cc: stable@vger.kernel.org
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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When /sys/kernel/tracing/buffer_size_kb is less than 12KB,
the test_multiple_writes test will stall and wait for more
input due to insufficient buffer space.
Check current buffer_size_kb value before the test. If it is
less than 12KB, it temporarily increase the buffer to 12KB,
and restore the original value after the tests are completed.
Link: https://lore.kernel.org/r/20260109033620.25727-1-fushuai.wang@linux.dev
Fixes: 37f46601383a ("selftests/tracing: Add basic test for trace_marker_raw file")
Suggested-by: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Fushuai Wang <wangfushuai@baidu.com>
Acked-by: Steven Rostedt (Google) <rostedt@goodmis.org>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Jakub Kicinski:
"Including fixes from netfilter and wireless.
Current release - fix to a fix:
- net: do not write to msg_get_inq in callee
- arp: do not assume dev_hard_header() does not change skb->head
Current release - regressions:
- wifi: mac80211: don't iterate not running interfaces
- eth: mlx5: fix NULL pointer dereference in ioctl module EEPROM
Current release - new code bugs:
- eth: bnge: add AUXILIARY_BUS to Kconfig dependencies
Previous releases - regressions:
- eth: mlx5: dealloc forgotten PSP RX modify header
Previous releases - always broken:
- ping: fix ICMP out SNMP stats double-counting with ICMP sockets
- bonding: preserve NETIF_F_ALL_FOR_ALL across TSO updates
- bridge: fix C-VLAN preservation in 802.1ad vlan_tunnel egress
- eth: bnxt: fix potential data corruption with HW GRO/LRO"
* tag 'net-6.19-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (70 commits)
arp: do not assume dev_hard_header() does not change skb->head
net: enetc: fix build warning when PAGE_SIZE is greater than 128K
atm: Fix dma_free_coherent() size
tools: ynl: don't install tests
net: do not write to msg_get_inq in callee
bnxt_en: Fix NULL pointer crash in bnxt_ptp_enable during error cleanup
net: usb: pegasus: fix memory leak in update_eth_regs_async()
net: 3com: 3c59x: fix possible null dereference in vortex_probe1()
net/sched: sch_qfq: Fix NULL deref when deactivating inactive aggregate in qfq_reset
wifi: mac80211: collect station statistics earlier when disconnect
wifi: mac80211: restore non-chanctx injection behaviour
wifi: mac80211_hwsim: disable BHs for hwsim_radio_lock
wifi: mac80211: don't iterate not running interfaces
wifi: mac80211_hwsim: fix typo in frequency notification
wifi: avoid kernel-infoleak from struct iw_point
net: airoha: Fix schedule while atomic in airoha_ppe_deinit()
selftests: netdevsim: add carrier state consistency test
net: netdevsim: fix inconsistent carrier state after link/unlink
selftests: drv-net: Bring back tool() to driver __init__s
net/sched: act_api: avoid dereferencing ERR_PTR in tcf_idrinfo_destroy
...
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git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid
Pull HID fixes from Jiri Kosina:
- build fix for HID-BPF (Benjamin Tissoires)
- fix for potential buffer overflow in i2c-hid (Kwok Kin Ming)
- a couple of selftests/hid fixes (Peter Hutterer)
- fix for handling pressure pads in hid-multitouch (Peter Hutterer)
- fix for potential NULL pointer dereference in intel-thc-hid (Even Xu)
- fix for interrupt delay control in intel-thc-hid (Even Xu)
- fix finger release detection on some VTL-class touchpads (DaytonCL)
- fix for correct enumeration on intel-ish-hid systems with no sensors
(Zhang Lixu)
- assorted device ID additions and device-specific quirks
* tag 'hid-for-linus-2026010801' of git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid: (21 commits)
HID: logitech: add HID++ support for Logitech MX Anywhere 3S
HID: Elecom: Add support for ELECOM M-XT3DRBK (018C)
HID: quirks: work around VID/PID conflict for appledisplay
HID: Apply quirk HID_QUIRK_ALWAYS_POLL to Edifier QR30 (2d99:a101)
HID: i2c-hid: fix potential buffer overflow in i2c_hid_get_report()
selftests/hid: add a test for the Digitizer/Button Type pressurepad
selftests/hid: use a enum class for the different button types
selftests/hid: require hidtools 0.12
HID: multitouch: set INPUT_PROP_PRESSUREPAD based on Digitizer/Button Type
HID: quirks: Add another Chicony HP 5MP Cameras to hid_ignore_list
HID: Intel-thc-hid: Intel-thc: Add safety check for reading DMA buffer
hid: intel-thc-hid: Select SGL_ALLOC
selftests/hid: fix bpf compilations due to -fms-extensions
HID: bpf: fix bpf compilation with -fms-extensions
HID: Intel-thc-hid: Intel-thc: Fix wrong register reading
HID: multitouch: add MT_QUIRK_STICKY_FINGERS to MT_CLS_VTL
HID: intel-ish-hid: Reset enum_devices_done before enumeration
HID: intel-ish-hid: Update ishtp bus match to support device ID table
HID: Intel-thc-hid: Intel-thc: fix dma_unmap_sg() nents value
HID: playstation: Center initial joystick axes to prevent spurious events
...
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We have to resort to a bit of a hack: python-libevdev gets the
properties from libevdev at module init time. If libevdev hasn't been
rebuilt with the new property it won't be automatically populated. So we
hack around this by constructing the property manually.
Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
Signed-off-by: Benjamin Tissoires <bentiss@kernel.org>
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Instead of multiple spellings of a string-provided argument, let's make
this a tad more type-safe and use an enum here.
And while we do this fix the two wrong devices:
- elan_04f3_313a (HP ZBook Fury 15) is discrete button pad
- dell_044e_1220 (Dell Precision 7740) is a discrete button pad
Equivalent hid-tools commit
https://gitlab.freedesktop.org/libevdev/hid-tools/-/commit/8300a55bf4213c6a252cab8cb5b34c9ddb191625
Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
Signed-off-by: Benjamin Tissoires <bentiss@kernel.org>
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Not all our tests really require it but since it's likely pip-installed
anyway it's trivial to require the new version, just in case we want to
start cleaning up other bits.
Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
Signed-off-by: Benjamin Tissoires <bentiss@kernel.org>
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Similar to commit 835a50753579 ("selftests/bpf: Add -fms-extensions to
bpf build flags") and commit 639f58a0f480 ("bpftool: Fix build warnings
due to MS extensions")
The kernel is now built with -fms-extensions, therefore
generated vmlinux.h contains types like:
struct slab {
..
struct freelist_counters;
};
Use -fms-extensions and -Wno-microsoft-anon-tag flags
to build bpf programs that #include "vmlinux.h"
Signed-off-by: Benjamin Tissoires <bentiss@kernel.org>
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This commit adds a test case for netdevsim carrier state consistency.
Specifically, the added test verifies the carrier state during the
following operations:
1. Unlink two netdevsims
2. ifdown one netdevsim, then ifup again
3. Link the netdevsims again
4. ifdown one netdevsim, then ifup again
These steps verifies that the carrier is UP iff two netdevsims are
linked and ifuped.
Signed-off-by: Yohei Kojima <yk@y-koj.net>
Link: https://patch.msgid.link/481e2729e53b6074ebfc0ad85764d8feb244de8c.1767624906.git.yk@y-koj.net
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The pp_alloc_fail.py test (which doesn't run in NIPA CI?) uses tool, add
back the import.
Resolves:
ImportError: cannot import name 'tool' from 'lib.py'
Fixes: 68a052239fc4 ("selftests: drv-net: update remaining Python init files")
Reviewed-by: Nimrod Oren <noren@nvidia.com>
Signed-off-by: Gal Pressman <gal@nvidia.com>
Link: https://patch.msgid.link/20260105163319.47619-1-gal@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Update the selftest to check that the metadata size check takes the
xdp_frame size into account in bpf_prog_test_run. The original
check (for meta size 256) was broken because the data frame supplied was
smaller than this, triggering a different EINVAL return. So supply a
larger data frame for this test to make sure we actually exercise the
check we think we are.
Signed-off-by: Toke Høiland-Jørgensen <toke@redhat.com>
Reviewed-by: Amery Hung <ameryhung@gmail.com>
Link: https://lore.kernel.org/r/20260105114747.1358750-2-toke@redhat.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
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Compiler reports potential uses of uninitialized variables in
mptcp_connect.c when xerror() is called from failure paths.
mptcp_connect.c:1262:11: warning: variable 'raw_addr' is used
uninitialized whenever 'if' condition is false
[-Wsometimes-uninitialized]
xerror() terminates execution by calling exit(), but it is not visible
to the compiler & assumes control flow may continue past the call.
Annotate xerror() with __noreturn so the compiler can correctly reason
about control flow and avoid false-positive uninitialized variable
warnings.
Signed-off-by: Ankit Khushwaha <ankitkhushwaha.linux@gmail.com>
Link: https://patch.msgid.link/20260101172840.90186-1-ankitkhushwaha.linux@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Add single mirred test case that attempts to redirect to self on egress
using clsact
Signed-off-by: Victor Nogueira <victor@mojatatu.com>
Link: https://patch.msgid.link/20260101135608.253079-3-jhs@mojatatu.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Make sure setsockopt(SOL_SOCKET, SO_ZEROCOPY) on an accept()ed socket is
handled by vsock's implementation.
Reviewed-by: Stefano Garzarella <sgarzare@redhat.com>
Signed-off-by: Michal Luczaj <mhal@rbox.co>
Link: https://patch.msgid.link/20251229-vsock-child-sock-custom-sockopt-v2-2-64778d6c4f88@rbox.co
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest
Pull kselftest fixes from Shuah Khan:
- Fix for build failures in tests that use an empty FIXTURE() seen in
Android's build environment, which uses -D_FORTIFY_SOURCE=3, a build
failure occurs in tests that use an empty FIXTURE()
- Fix func_traceonoff_triggers.tc sometimes failures on Kunpeng-920
board resulting from including transient trace file name in checksum
compare
- Fix to remove available_events requirement from toplevel-enable for
instance as it isn't a valid requirement for this test
* tag 'linux_kselftest-fixes-6.19-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest:
kselftest/harness: Use helper to avoid zero-size memset warning
selftests/ftrace: Test toplevel-enable for instance
selftests/ftrace: traceonoff_triggers: strip off names
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git://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux
Pull block fixes from Jens Axboe:
- Scan partition tables asynchronously for ublk, similarly to how nvme
does it. This avoids potential deadlocks, which is why nvme does it
that way too. Includes a set of selftests as well.
- MD pull request via Yu:
- Fix null-pointer dereference in raid5 sysfs group_thread_cnt
store (Tuo Li)
- Fix possible mempool corruption during raid1 raid_disks update
via sysfs (FengWei Shih)
- Fix logical_block_size configuration being overwritten during
super_1_validate() (Li Nan)
- Fix forward incompatibility with configurable logical block size:
arrays assembled on new kernels could not be assembled on older
kernels (v6.18 and before) due to non-zero reserved pad rejection
(Li Nan)
- Fix static checker warning about iterator not incremented (Li Nan)
- Skip CPU offlining notifications on unmapped hardware queues
- bfq-iosched block stats fix
- Fix outdated comment in bfq-iosched
* tag 'block-6.19-20260102' of git://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux:
block, bfq: update outdated comment
blk-mq: skip CPU offline notify on unmapped hctx
selftests/ublk: fix Makefile to rebuild on header changes
selftests/ublk: add test for async partition scan
ublk: scan partition in async way
block,bfq: fix aux stat accumulation destination
md: Fix forward incompatibility from configurable logical block size
md: Fix logical_block_size configuration being overwritten
md: suspend array while updating raid_disks via sysfs
md/raid5: fix possible null-pointer dereferences in raid5_store_group_thread_cnt()
md: Fix static checker warning in analyze_sbs
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without 'netfilter: nft_set_pipapo: fix range overlap detection':
reject overlapping range on add 0s [FAIL]
Returned success for add { 1.2.3.4 . 1.2.4.1-1.2.4.2 } given set:
table inet filter {
[..]
elements = { 1.2.3.4 . 1.2.4.1 counter packets 0 bytes 0,
1.2.3.0-1.2.3.4 . 1.2.4.2 counter packets 0 bytes 0 }
}
The element collides with existing ones and was not added, but kernel
returned success to userspace.
Signed-off-by: Florian Westphal <fw@strlen.de>
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When building kselftests with a toolchain that enables source
fortification (e.g., Android's build environment, which uses
-D_FORTIFY_SOURCE=3), a build failure occurs in tests that use an
empty FIXTURE().
The root cause is that an empty fixture struct results in
`sizeof(self_private)` evaluating to 0. The compiler's fortification
checks then detect the `memset()` call with a compile-time constant size
of 0, issuing a `-Wuser-defined-warnings` which is promoted to an error
by `-Werror`.
An initial attempt to guard the call with `if (sizeof(self_private) > 0)`
was insufficient. The compiler's static analysis is aggressive enough
to flag the `memset(..., 0)` pattern before evaluating the conditional,
thus still triggering the error.
To resolve this robustly, this change introduces a `static inline`
helper function, `__kselftest_memset_safe()`. This function wraps the
size check and the `memset()` call. By replacing the direct `memset()`
in the `__TEST_F_IMPL` macro with a call to this helper, we create an
abstraction boundary. This prevents the compiler's static analyzer from
"seeing" the problematic pattern at the macro expansion site, resolving
the build failure.
Build Context:
Compiler: Android (14488419, +pgo, +bolt, +lto, +mlgo, based on r584948) clang version 22.0.0 (https://android.googlesource.com/toolchain/llvm-project 2d65e4108033380e6fe8e08b1f1826cd2bfb0c99)
Relevant Options: -O2 -Wall -Werror -D_FORTIFY_SOURCE=3 -target i686-linux-android10000
Test: m kselftest_futex_futex_requeue_pi
Removed Gerrit Change-Id
Shuah Khan <skhan@linuxfoundation.org>
Link: https://lore.kernel.org/r/20251224084120.249417-1-wakel@google.com
Signed-off-by: Wake Liu <wakel@google.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
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'available_events' is actually not required by
'test.d/event/toplevel-enable.tc' and its Existence has been tested in
'test.d/00basic/basic4.tc'.
So the require of 'available_events' can be dropped and then we can add
'instance' flag to test 'test.d/event/toplevel-enable.tc' for instance.
Test result show as below:
# ./ftracetest test.d/event/toplevel-enable.tc
=== Ftrace unit tests ===
[1] event tracing - enable/disable with top level files [PASS]
[2] (instance) event tracing - enable/disable with top level files [PASS]
# of passed: 2
# of failed: 0
# of unresolved: 0
# of untested: 0
# of unsupported: 0
# of xfailed: 0
# of undefined(test bug): 0
Link: https://lore.kernel.org/r/20230509203659.1173917-1-zhengyejian1@huawei.com
Signed-off-by: Zheng Yejian <zhengyejian1@huawei.com>
Acked-by: Steven Rostedt (Google) <rostedt@goodmis.org>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
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The func_traceonoff_triggers.tc sometimes goes to fail
on my board, Kunpeng-920.
[root@localhost]# ./ftracetest ./test.d/ftrace/func_traceonoff_triggers.tc -l fail.log
=== Ftrace unit tests ===
[1] ftrace - test for function traceon/off triggers [FAIL]
[2] (instance) ftrace - test for function traceon/off triggers [UNSUPPORTED]
I look up the log, and it shows that the md5sum is different between csum1 and csum2.
++ cnt=611
++ sleep .1
+++ cnt_trace
+++ grep -v '^#' trace
+++ wc -l
++ cnt2=611
++ '[' 611 -ne 611 ']'
+++ cat tracing_on
++ on=0
++ '[' 0 '!=' 0 ']'
+++ md5sum trace
++ csum1='76896aa74362fff66a6a5f3cf8a8a500 trace'
++ sleep .1
+++ md5sum trace
++ csum2='ee8625a21c058818fc26e45c1ed3f6de trace'
++ '[' '76896aa74362fff66a6a5f3cf8a8a500 trace' '!=' 'ee8625a21c058818fc26e45c1ed3f6de trace' ']'
++ fail 'Tracing file is still changing'
++ echo Tracing file is still changing
Tracing file is still changing
++ exit_fail
++ exit 1
So I directly dump the trace file before md5sum, the diff shows that:
[root@localhost]# diff trace_1.log trace_2.log -y --suppress-common-lines
dockerd-12285 [036] d.... 18385.510290: sched_stat | <...>-12285 [036] d.... 18385.510290: sched_stat
dockerd-12285 [036] d.... 18385.510291: sched_swit | <...>-12285 [036] d.... 18385.510291: sched_swit
<...>-740 [044] d.... 18385.602859: sched_stat | kworker/44:1-740 [044] d.... 18385.602859: sched_stat
<...>-740 [044] d.... 18385.602860: sched_swit | kworker/44:1-740 [044] d.... 18385.602860: sched_swit
And we can see that <...> filed be filled with names.
We can strip off the names there to fix that.
After strip off the names:
kworker/u257:0-12 [019] d..2. 2528.758910: sched_stat | -12 [019] d..2. 2528.758910: sched_stat_runtime: comm=k
kworker/u257:0-12 [019] d..2. 2528.758912: sched_swit | -12 [019] d..2. 2528.758912: sched_switch: prev_comm=kw
<idle>-0 [000] d.s5. 2528.762318: sched_waki | -0 [000] d.s5. 2528.762318: sched_waking: comm=sshd pi
<idle>-0 [037] dNh2. 2528.762326: sched_wake | -0 [037] dNh2. 2528.762326: sched_wakeup: comm=sshd pi
<idle>-0 [037] d..2. 2528.762334: sched_swit | -0 [037] d..2. 2528.762334: sched_switch: prev_comm=sw
Link: https://lore.kernel.org/r/20230818013226.2182299-1-zouyipeng@huawei.com
Fixes: d87b29179aa0 ("selftests: ftrace: Use md5sum to take less time of checking logs")
Suggested-by: Steven Rostedt (Google) <rostedt@goodmis.org>
Signed-off-by: Yipeng Zou <zouyipeng@huawei.com>
Acked-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Reviewed-by: Steven Rostedt (Google) <rostedt@goodmis.org>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
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Pull VFIO fixes from Alex Williamson:
- Restrict ROM access to dword to resolve a regression introduced with
qword access seen on some Intel NICs. Update VGA region access to the
same given lack of precedent for 64-bit users (Kevin Tian)
- Fix missing .get_region_info_caps callback in the xe-vfio-pci variant
driver due to integration through the DRM tree (Michal Wajdeczko)
- Add aligned 64-bit access macros to tools/include/linux/types.h,
allowing removal of uapi/linux/type.h includes from various vfio
selftest, resolving redefinition warnings for integration with KVM
selftests (David Matlack)
- Fix error path memory leak in pds-vfio-pci variant driver (Zilin Guan)
- Fix error path use-after-free in xe-vfio-pci variant driver (Alper Ak)
* tag 'vfio-v6.19-rc4' of https://github.com/awilliam/linux-vfio:
vfio/xe: Fix use-after-free in xe_vfio_pci_alloc_file()
vfio/pds: Fix memory leak in pds_vfio_dirty_enable()
vfio: selftests: Drop <uapi/linux/types.h> includes
tools include: Add definitions for __aligned_{l,b}e64
vfio/xe: Add default handler for .get_region_info_caps
vfio/pci: Disable qword access to the VGA region
vfio/pci: Disable qword access to the PCI ROM bar
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git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Paolo Abeni:
"Including fixes from Bluetooth and WiFi. Notably this includes the fix
for the iwlwifi issue you reported.
Current release - regressions:
- core: avoid prefetching NULL pointers
- wifi:
- iwlwifi: implement settime64 as stub for MVM/MLD PTP
- mac80211: fix list iteration in ieee80211_add_virtual_monitor()
- handshake: fix null-ptr-deref in handshake_complete()
- eth: mana: fix use-after-free in reset service rescan path
Previous releases - regressions:
- openvswitch: avoid needlessly taking the RTNL on vport destroy
- dsa: properly keep track of conduit reference
- ipv4:
- fix error route reference count leak with nexthop objects
- fib: restore ECMP balance from loopback
- mptcp: ensure context reset on disconnect()
- bluetooth: fix potential UaF in btusb
- nfc: fix deadlock between nfc_unregister_device and
rfkill_fop_write
- eth:
- gve: defer interrupt enabling until NAPI registration
- i40e: fix scheduling in set_rx_mode
- macb: relocate mog_init_rings() callback from macb_mac_link_up()
to macb_open()
- rtl8150: fix memory leak on usb_submit_urb() failure
- wifi: 8192cu: fix tid out of range in rtl92cu_tx_fill_desc()
Previous releases - always broken:
- ip6_gre: make ip6gre_header() robust
- ipv6: fix a BUG in rt6_get_pcpu_route() under PREEMPT_RT
- af_unix: don't post cmsg for SO_INQ unless explicitly asked for
- phy: mediatek: fix nvmem cell reference leak in
mt798x_phy_calibration
- wifi: mac80211: discard beacon frames to non-broadcast address
- eth:
- iavf: fix off-by-one issues in iavf_config_rss_reg()
- stmmac: fix the crash issue for zero copy XDP_TX action
- team: fix check for port enabled when priority changes"
* tag 'net-6.19-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (64 commits)
ipv6: fix a BUG in rt6_get_pcpu_route() under PREEMPT_RT
net: rose: fix invalid array index in rose_kill_by_device()
net: enetc: do not print error log if addr is 0
net: macb: Relocate mog_init_rings() callback from macb_mac_link_up() to macb_open()
selftests: fib_test: Add test case for ipv4 multi nexthops
net: fib: restore ECMP balance from loopback
selftests: fib_nexthops: Add test cases for error routes deletion
ipv4: Fix reference count leak when using error routes with nexthop objects
net: usb: sr9700: fix incorrect command used to write single register
ipv6: BUG() in pskb_expand_head() as part of calipso_skbuff_setattr()
usbnet: avoid a possible crash in dql_completed()
gve: defer interrupt enabling until NAPI registration
net: stmmac: fix the crash issue for zero copy XDP_TX action
octeontx2-pf: fix "UBSAN: shift-out-of-bounds error"
af_unix: don't post cmsg for SO_INQ unless explicitly asked for
net: mana: Fix use-after-free in reset service rescan path
net: avoid prefetching NULL pointers
net: bridge: Describe @tunnel_hash member in net_bridge_vlan_group struct
net: nfc: fix deadlock between nfc_unregister_device and rfkill_fop_write
net: usb: asix: validate PHY address before use
...
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The test checks that with multi nexthops route the preferred route is the
one which matches source ip. In case when source ip is on dummy
interface, it checks that the routes are balanced.
Reviewed-by: Willem de Bruijn <willemb@google.com>
Signed-off-by: Vadim Fedorenko <vadim.fedorenko@linux.dev>
Link: https://patch.msgid.link/20251221192639.3911901-2-vadim.fedorenko@linux.dev
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Add test cases that check that error routes (e.g., blackhole) are
deleted when their nexthop is deleted.
Output without "ipv4: Fix reference count leak when using error routes
with nexthop objects":
# ./fib_nexthops.sh -t "ipv4_fcnal ipv6_fcnal"
IPv4 functional
----------------------
[...]
WARNING: Unexpected route entry
TEST: Error route removed on nexthop deletion [FAIL]
IPv6
----------------------
[...]
TEST: Error route removed on nexthop deletion [ OK ]
Tests passed: 20
Tests failed: 1
Tests skipped: 0
Output with "ipv4: Fix reference count leak when using error routes
with nexthop objects":
# ./fib_nexthops.sh -t "ipv4_fcnal ipv6_fcnal"
IPv4 functional
----------------------
[...]
TEST: Error route removed on nexthop deletion [ OK ]
IPv6
----------------------
[...]
TEST: Error route removed on nexthop deletion [ OK ]
Tests passed: 21
Tests failed: 0
Tests skipped: 0
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Reviewed-by: David Ahern <dsahern@kernel.org>
Link: https://patch.msgid.link/20251221144829.197694-2-idosch@nvidia.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull misc fixes from Andrew Morton:
"27 hotfixes. 12 are cc:stable, 18 are MM.
There's a patch series from Jiayuan Chen which fixes some
issues with KASAN and vmalloc. Apart from that it's the usual
shower of singletons - please see the respective changelogs
for details"
* tag 'mm-hotfixes-stable-2025-12-28-21-50' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (27 commits)
mm/ksm: fix pte_unmap_unlock of wrong address in break_ksm_pmd_entry
mm/page_owner: fix memory leak in page_owner_stack_fops->release()
mm/memremap: fix spurious large folio warning for FS-DAX
MAINTAINERS: notify the "Device Memory" community of memory hotplug changes
sparse: update MAINTAINERS info
mm/page_alloc: report 1 as zone_batchsize for !CONFIG_MMU
mm: consider non-anon swap cache folios in folio_expected_ref_count()
rust: maple_tree: rcu_read_lock() in destructor to silence lockdep
mm: memcg: fix unit conversion for K() macro in OOM log
mm: fixup pfnmap memory failure handling to use pgoff
tools/mm/page_owner_sort: fix timestamp comparison for stable sorting
selftests/mm: fix thread state check in uffd-unit-tests
kernel/kexec: fix IMA when allocation happens in CMA area
kernel/kexec: change the prototype of kimage_map_segment()
MAINTAINERS: add ABI headers to KHO and LIVE UPDATE
.mailmap: remove one of the entries for WangYuli
mm/damon/vaddr: fix missing pte_unmap_unlock in damos_va_migrate_pmd_entry()
MAINTAINERS: update one straggling entry for Bartosz Golaszewski
mm/page_alloc: change all pageblocks migrate type on coalescing
mm: leafops |
