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KVM SVM changes for 7.1
- Fix and optimize IRQ window inhibit handling for AVIC (the tracking needs to
be per-vCPU, e.g. so that KVM doesn't prematurely re-enable AVIC if multiple
vCPUs have to-be-injected IRQs).
- Fix an undefined behavior warning where a crafty userspace can read the
"avic" module param before it's fully initialized.
- Fix a (likely benign) bug in the "OS-visible workarounds" handling, where
KVM could clobber state when enabling virtualization on multiple CPUs in
parallel, and clean up and optimize the code.
- Drop a WARN in KVM_MEMORY_ENCRYPT_REG_REGION where KVM complains about a
"too large" size based purely on user input, and clean up and harden the
related pinning code.
- Disallow synchronizing a VMSA of an already-launched/encrypted vCPU, as
doing so for an SNP guest will trigger an RMP violation #PF and crash the
host.
- Protect all of sev_mem_enc_register_region() with kvm->lock to ensure
sev_guest() is stable for the entire of the function.
- Lock all vCPUs when synchronizing VMSAs for SNP guests to ensure the VMSA
page isn't actively being used.
- Overhaul KVM's APIs for detecting SEV+ guests so that VM-scoped queries are
required to hold kvm->lock (KVM has had multiple bugs due "is SEV?" checks
becoming stale), enforced by lockdep. Add and use vCPU-scoped APIs when
possible/appropriate, as all checks that originate from a vCPU are
guaranteed to be stable.
- Convert a pile of kvm->lock SEV code to guard().
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git://git.kernel.org/pub/scm/linux/kernel/git/rcu/linux
Pull RCU updates from Joel Fernandes:
"NOCB CPU management:
- Consolidate rcu_nocb_cpu_offload() and rcu_nocb_cpu_deoffload() to
reduce code duplication
- Extract nocb_bypass_needs_flush() helper to reduce duplication in
NOCB bypass path
rcutorture/torture infrastructure:
- Add NOCB01 config for RCU_LAZY torture testing
- Add NOCB02 config for NOCB poll mode testing
- Add TRIVIAL-PREEMPT config for textbook-style preemptible RCU
torture
- Test call_srcu() with preemption both disabled and enabled
- Remove kvm-check-branches.sh in favor of kvm-series.sh
- Make hangs more visible in torture.sh output
- Add informative message for tests without a recheck file
- Fix numeric test comparison in srcu_lockdep.sh
- Use torture_shutdown_init() in refscale and rcuscale instead of
open-coded shutdown functions
- Fix modulo-zero error in torture_hrtimeout_ns().
SRCU:
- Fix SRCU read flavor macro comments
- Fix s/they disables/they disable/ typo in srcu_read_unlock_fast()
RCU Tasks:
- Document that RCU Tasks Trace grace periods now imply RCU grace
periods
- Remove unnecessary smp_store_release() in cblist_init_generic()"
* tag 'rcu.2026.03.31a' of git://git.kernel.org/pub/scm/linux/kernel/git/rcu/linux:
rcutorture: Test call_srcu() with preemption disabled and not
rcu: Add BOOTPARAM_RCU_STALL_PANIC Kconfig option
torture: Avoid modulo-zero error in torture_hrtimeout_ns()
rcu/nocb: Extract nocb_bypass_needs_flush() to reduce duplication
rcu/nocb: Consolidate rcu_nocb_cpu_offload/deoffload functions
rcu-tasks: Remove unnecessary smp_store_release() in cblist_init_generic()
rcutorture: Add NOCB02 config for nocb poll mode testing
rcutorture: Add NOCB01 config for RCU_LAZY torture testing
rcu-tasks: Document that RCU Tasks Trace grace periods now imply RCU grace periods
srcu: Fix s/they disables/they disable/ typo in srcu_read_unlock_fast()
srcu: Fix SRCU read flavor macro comments
rcuscale: Ditch rcu_scale_shutdown in favor of torture_shutdown_init()
refscale: Ditch ref_scale_shutdown in favor of torture_shutdown_init()
rcutorture: Fix numeric "test" comparison in srcu_lockdep.sh
torture: Print informative message for test without recheck file
torture: Make hangs more visible in torture.sh output
kvm-check-branches.sh: Remove in favor of kvm-series.sh
rcutorture: Add a textbook-style trivial preemptible RCU
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Use ping and tcpdump to verify that independent rx and tx enablement
of team driver member interfaces works as intended.
Signed-off-by: Marc Harvey <marcharvey@google.com>
Reviewed-by: Kuniyuki Iwashima <kuniyu@google.com>
Link: https://patch.msgid.link/20260409-teaming-driver-internal-v7-10-f47e7589685d@google.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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There are no tests that verify enablement and disablement of team driver
ports with teamd. This should work even with changes to the enablement
option, so it is important to test.
This test sets up an active-backup network configuration across two
network namespaces, and tries to send traffic while changing which
link is the active one.
Also increase the team test timeout to 300 seconds, because gracefully
killing teamd can take 30 seconds for each instance.
Signed-off-by: Marc Harvey <marcharvey@google.com>
Reviewed-by: Kuniyuki Iwashima <kuniyu@google.com>
Link: https://patch.msgid.link/20260409-teaming-driver-internal-v7-5-f47e7589685d@google.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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There are currently no kernel tests that verify the effect of setting
the enabled team driver option. In a followup patch, there will be
changes to this option, so it will be important to make sure it still
behaves as it does now.
The test verifies that tcp continues to work across two different team
devices in separate network namespaces, even when member links are
manually disabled.
Signed-off-by: Marc Harvey <marcharvey@google.com>
Reviewed-by: Kuniyuki Iwashima <kuniyu@google.com>
Link: https://patch.msgid.link/20260409-teaming-driver-internal-v7-4-f47e7589685d@google.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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KVM nested SVM changes for 7.1 (with one common x86 fix)
- To minimize the probability of corrupting guest state, defer KVM's
non-architectural delivery of exception payloads (e.g. CR2 and DR6) until
consumption of the payload is imminent, and force delivery of the payload
in all paths where userspace saves relevant state.
- Use vcpu->arch.cr2 when updating vmcb12's CR2 on nested #VMEXIT to fix a
bug where L2's CR2 can get corrupted after a save/restore, e.g. if the VM
is migrated while L2 is faulting in memory.
- Fix a class of nSVM bugs where some fields written by the CPU are not
synchronized from vmcb02 to cached vmcb12 after VMRUN, and so are not
up-to-date when saved by KVM_GET_NESTED_STATE.
- Fix a class of bugs where the ordering between KVM_SET_NESTED_STATE and
KVM_SET_{S}REGS could cause vmcb02 to be incorrectly initialized after
save+restore.
- Add a variety of missing nSVM consistency checks.
- Fix several bugs where KVM failed to correctly update VMCB fields on nested
#VMEXIT.
- Fix several bugs where KVM failed to correctly synthesize #UD or #GP for
SVM-related instructions.
- Add support for save+restore of virtualized LBRs (on SVM).
- Refactor various helpers and macros to improve clarity and (hopefully) make
the code easier to maintain.
- Aggressively sanitize fields when copying from vmcb12 to guard against
unintentionally allowing L1 to utilize yet-to-be-defined features.
- Fix several bugs where KVM botched rAX legality checks when emulating SVM
instructions. Note, KVM is still flawed in that KVM doesn't address size
prefix overrides for 64-bit guests; this should probably be documented as a
KVM erratum.
- Fail emulation of VMRUN/VMLOAD/VMSAVE if mapping vmcb12 fails instead of
somewhat arbitrarily synthesizing #GP (i.e. don't bastardize AMD's already-
sketchy behavior of generating #GP if for "unsupported" addresses).
- Cache all used vmcb12 fields to further harden against TOCTOU bugs.
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KVM selftests changes for 7.1
- Add support for Hygon CPUs in KVM selftests.
- Fix a bug in the MSR test where it would get false failures on AMD/Hygon
CPUs with exactly one of RDPID or RDTSCP.
- Add an MADV_COLLAPSE testcase for guest_memfd as a regression test for a
bug where the kernel would attempt to collapse guest_memfd folios against
KVM's will.
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git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into HEAD
KVM/arm64 updates for 7.1
* New features:
- Add support for tracing in the standalone EL2 hypervisor code,
which should help both debugging and performance analysis.
This comes with a full infrastructure for 'remote' trace buffers
that can be exposed by non-kernel entities such as firmware.
- Add support for GICv5 Per Processor Interrupts (PPIs), as the
starting point for supporting the new GIC architecture in KVM.
- Finally add support for pKVM protected guests, with anonymous
memory being used as a backing store. About time!
* Improvements and bug fixes:
- Rework the dreaded user_mem_abort() function to make it more
maintainable, reducing the amount of state being exposed to
the various helpers and rendering a substantial amount of
state immutable.
- Expand the Stage-2 page table dumper to support NV shadow
page tables on a per-VM basis.
- Tidy up the pKVM PSCI proxy code to be slightly less hard
to follow.
- Fix both SPE and TRBE in non-VHE configurations so that they
do not generate spurious, out of context table walks that
ultimately lead to very bad HW lockups.
- A small set of patches fixing the Stage-2 MMU freeing in error
cases.
- Tighten-up accepted SMC immediate value to be only #0 for host
SMCCC calls.
- The usual cleanups and other selftest churn.
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git://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson into HEAD
LoongArch KVM changes for v7.1
1. Use CSR_CRMD_PLV in kvm_arch_vcpu_in_kernel().
2. Let vcpu_is_preempted() a macro & some enhanments.
3. Add DMSINTC irqchip in kernel support.
4. Add KVM PMU test cases for tools/selftests.
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KVM/riscv changes for 7.1
- Fix steal time shared memory alignment checks
- Fix vector context allocation leak
- Fix array out-of-bounds in pmu_ctr_read() and pmu_fw_ctr_read_hi()
- Fix double-free of sdata in kvm_pmu_clear_snapshot_area()
- Fix integer overflow in kvm_pmu_validate_counter_mask()
- Fix shift-out-of-bounds in make_xfence_request()
- Fix lost write protection on huge pages during dirty logging
- Split huge pages during fault handling for dirty logging
- Skip CSR restore if VCPU is reloaded on the same core
- Implement kvm_arch_has_default_irqchip() for KVM selftests
- Factored-out ISA checks into separate sources
- Added hideleg to struct kvm_vcpu_config
- Factored-out VCPU config into separate sources
- Support configuration of per-VM HGATP mode from KVM user space
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Add a selftest covering ETH_HLEN-sized IPv4/IPv6 EtherType inputs for
bpf_prog_test_run_skb().
Reuse a single zero-initialized struct ethhdr eth_hlen and set
eth_hlen.h_proto from the per-test h_proto field.
Also add a dedicated tc_adjust_room program and route the short
IPv4/IPv6 cases to it, so the selftest actually exercises the
bpf_skb_adjust_room() path from the report.
Signed-off-by: Sun Jian <sun.jian.kdev@gmail.com>
Link: https://lore.kernel.org/r/20260408034623.180320-3-sun.jian.kdev@gmail.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
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Replace shm_open/shm_unlink with memfd_create in the shmem subtest.
shm_open requires /dev/shm to be mounted, which is not always available
in test environments, causing the test to fail with ENOENT.
memfd_create creates an anonymous shmem-backed fd without any filesystem
dependency while exercising the same shmem accounting path.
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Link: https://lore.kernel.org/bpf/20260412210636.47516-1-alexei.starovoitov@gmail.com
Signed-off-by: Kumar Kartikeya Dwivedi <memxor@gmail.com>
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xulang <xulang@uniontech.com> says:
====================
Fix OOB read when copying element from a BPF_MAP_TYPE_CGROUP_STORAGE
map to another pcpu map with the same value_size that is not rounded
up to 8 bytes, and add a test case to reproduce the issue.
The root cause is that pcpu_init_value() uses copy_map_value_long() which
rounds up the copy size to 8 bytes, but CGROUP_STORAGE map values are not
8-byte aligned (e.g., 4-byte). This causes a 4-byte OOB read when
the copy is performed.
====================
Link: https://lore.kernel.org/r/7653EEEC2BAB17DF+20260402073948.2185396-1-xulang@uniontech.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
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Add a test case to reproduce the out-of-bounds read issue when copying
from a cgroup storage map to a pcpu map with a value_size not rounded
up to 8 bytes.
The test creates:
1. A CGROUP_STORAGE map with 4-byte value (not 8-byte aligned)
2. A LRU_PERCPU_HASH map with 4-byte value (same size)
When a socket is created in the cgroup, the BPF program triggers
bpf_map_update_elem() which calls copy_map_value_long(). This function
rounds up the copy size to 8 bytes, but the cgroup storage buffer is
only 4 bytes, causing an OOB read (before the fix).
Signed-off-by: Lang Xu <xulang@uniontech.com>
Link: https://lore.kernel.org/r/D63BF0DBFF1EA122+20260402074236.2187154-2-xulang@uniontech.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
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Commit efc11a667878 ("bpf: Improve bounds when tnum has a single
possible value") improved the bounds refinement to detect when the tnum
and u64 range overlap in a single value (and the bounds can thus be set
to that value).
Eduard then noticed that it broke the slow-mode reg_bounds selftests
because they don't have an equivalent logic and are therefore unable to
refine the bounds as much as the verifier. The following test case
illustrates this.
ACTUAL TRUE1: scalar(u64=0xffffffff00000000,u32=0,s64=0xffffffff00000000,s32=0)
EXPECTED TRUE1: scalar(u64=[0xfffffffe00000001; 0xffffffff00000000],u32=0,s64=[0xfffffffe00000001; 0xffffffff00000000],s32=0)
[...]
#323/1007 reg_bounds_gen_consts_s64_s32/(s64)[0xfffffffe00000001; 0xffffffff00000000] (s32)<op> S64_MIN:FAIL
with the verifier logs:
[...]
19: w0 = w6 ; R0=scalar(smin=0,smax=umax=0xffffffff,
var_off=(0x0; 0xffffffff))
R6=scalar(smin=0xfffffffe00000001,smax=0xffffffff00000000,
umin=0xfffffffe00000001,umax=0xffffffff00000000,
var_off=(0xfffffffe00000000; 0x1ffffffff))
20: w0 = w7 ; R0=0 R7=0x8000000000000000
21: if w6 == w7 goto pc+3
[...]
from 21 to 25: [...]
25: w0 = w6 ; R0=0 R6=0xffffffff00000000
; ^
; unexpected refined value
26: w0 = w7 ; R0=0 R7=0x8000000000000000
27: exit
When w6 == w7 is true, the verifier can deduce that the R6's tnum is
equal to (0xfffffffe00000000; 0x100000000) and then use that information
to refine the bounds: the tnum only overlap with the u64 range in
0xffffffff00000000. The reg_bounds selftest doesn't know about tnums
and therefore fails to perform the same refinement.
This issue happens when the tnum carries information that cannot be
represented in the ranges, as otherwise the selftest could reach the
same refined value using just the ranges. The tnum thus needs to
represent non-contiguous values (ex., R6's tnum above, after the
condition). The only way this can happen in the reg_bounds selftest is
at the boundary between the 32 and 64bit ranges. We therefore only need
to handle that case.
This patch fixes the selftest refinement logic by checking if the u32
and u64 ranges overlap in a single value. If so, the ranges can be set
to that value. We need to handle two cases: either they overlap in
umin64...
u64 values
matching u32 range: xxx xxx xxx xxx
|--------------------------------------|
u64 range: 0 xxxxx UMAX64
or in umax64:
u64 values
matching u32 range: xxx xxx xxx xxx
|--------------------------------------|
u64 range: 0 xxxxx UMAX64
To detect the first case, we decrease umax64 to the maximum value that
matches the u32 range. If that happens to be umin64, then umin64 is the
only overlap. We proceed similarly for the second case, increasing
umin64 to the minimum value that matches the u32 range.
Note this is similar to how the verifier handles the general case using
tnum, but we don't need to care about a single-value overlap in the
middle of the range. That case is not possible when comparing two
ranges.
This patch also adds two test cases reproducing this bug as part of the
normal test runs (without SLOW_TESTS=1).
Fixes: efc11a667878 ("bpf: Improve bounds when tnum has a single possible value")
Reported-by: Eduard Zingerman <eddyz87@gmail.com>
Closes: https://lore.kernel.org/bpf/4e6dd64a162b3cab3635706ae6abfdd0be4db5db.camel@gmail.com/
Signed-off-by: Paul Chaignon <paul.chaignon@gmail.com>
Link: https://lore.kernel.org/r/ada9UuSQi2SE2IfB@mail.gmail.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
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Add a selftest that ensures instructions with arena source and
non-arena destination registers are accepted by the verifier.
Signed-off-by: Emil Tsalapatis <emil@etsalapatis.com>
Acked-by: Song Liu <song@kernel.org>
Link: https://lore.kernel.org/r/20260412174546.18684-3-emil@etsalapatis.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
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The fsession attach type is missed in the verifier log in
check_get_func_ip(), bpf_check_attach_target() and check_attach_btf_id().
Update them to make the verifier log proper. Meanwhile, update the
corresponding selftests.
Acked-by: Leon Hwang <leon.hwang@linux.dev>
Signed-off-by: Menglong Dong <dongml2@chinatelecom.cn>
Link: https://lore.kernel.org/r/20260412060346.142007-2-dongml2@chinatelecom.cn
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
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Add selftests to verify SOCK_OPS_GET_SK() and SOCK_OPS_GET_FIELD() correctly
return NULL/zero when dst_reg == src_reg and is_fullsock == 0.
Three subtests are included:
- get_sk: ctx->sk with same src/dst register (SOCK_OPS_GET_SK)
- get_field: ctx->snd_cwnd with same src/dst register (SOCK_OPS_GET_FIELD)
- get_sk_diff_reg: ctx->sk with different src/dst register (baseline)
Each BPF program uses inline asm (__naked) to force specific register
allocation, reads is_fullsock first, then loads the field using the same
(or different) register. The test triggers TCP_NEW_SYN_RECV via a TCP
handshake and checks that the result is NULL/zero when is_fullsock == 0.
Reviewed-by: Sun Jian <sun.jian.kdev@gmail.com>
Signed-off-by: Jiayuan Chen <jiayuan.chen@linux.dev>
Acked-by: Martin KaFai Lau <martin.lau@kernel.org>
Link: https://patch.msgid.link/20260407022720.162151-3-jiayuan.chen@linux.dev
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Add a simple test for USO. Tests both ipv4 and ipv6 with several full
segments and a partial segment.
Suggested-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Joe Damato <joe@dama.to>
Link: https://patch.msgid.link/20260408230607.2019402-11-joe@dama.to
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Like e65d8b6f3092 ("selftests: drv-net: adjust to socat changes") we
need to add shut-none for this test too.
The extra 0-packet can trigger a second (unexpected) reply from the server.
Fixes: 7e37e0eacd22 ("selftests: netfilter: nft_tproxy.sh: add tcp tests")
Reported-by: Jakub Kicinski <kuba@kernel.org>
Closes: https://lore.kernel.org/netdev/20260408152432.24b8ad0d@kernel.org/
Suggested-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Florian Westphal <fw@strlen.de>
Link: https://patch.msgid.link/20260409224506.27072-1-fw@strlen.de
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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When developing new test cases and reproducing failures in
existing ones we currently have to run the entire test which
can take minutes to finish.
Add command line options for test selection, modeled after
kselftest_harness.h:
-l list tests (filtered, if filters were specified)
-t name include test
-T name exclude test
Since we don't have as clean separation into fixture / variant /
test as kselftest_harness this is not really a 1 to 1 match.
We have to lean on glob patterns instead.
Like in kselftest_harness filters are evaluated in order, first
match wins. If only exclusions are specified everything else is
included and vice versa.
Glob patterns (*, ?, [) are supported in addition to exact
matching.
Reviewed-by: Willem de Bruijn <willemb@google.com>
Tested-by: Gal Pressman <gal@nvidia.com>
Reviewed-by: Breno Leitao <leitao@debian.org>
Link: https://patch.msgid.link/20260410013921.1710295-1-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Check reserved fields of each insn once in a prepass
instead of repeatedly rechecking them during the main verifier pass.
Link: https://lore.kernel.org/r/20260411200932.41797-1-alexei.starovoitov@gmail.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
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After str_has_pfx() refactoring each TEST_TAG_* / TEST_BTF_PATH
constant is used exactly once. Since constant definitions are not
shared between BPF-side bpf_misc.h and userspace side test_loader.c,
there is no need in the additional redirection layer.
Acked-by: Ihor Solodrai <ihor.solodrai@linux.dev>
Reviewed-by: Puranjay Mohan <puranjay@kernel.org>
Signed-off-by: Eduard Zingerman <eddyz87@gmail.com>
Link: https://lore.kernel.org/r/20260410-selftests-global-tags-ordering-v2-4-c566ec9781bf@gmail.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
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Impose global ordering for all decl tags used by test_loader.c based
tests (__success, __failure, __msg, etc):
- change every tag to expand as
__attribute__((btf_decl_tag("comment:" XSTR(__COUNTER__) ...)))
- change parse_test_spec() to collect all decl tags before
processing and sort them using strverscmp().
The ordering is necessary for gcc-bpf.
Neither GCC nor the C standard defines the order in which function
attributes are consumed. While Clang tends to preserve definition order,
GCC may process them out of sequence. This inconsistency causes BPF
tests with multiple __msg entries to fail when compiled with GCC.
Signed-off-by: Cupertino Miranda <cupertino.miranda@oracle.com>
Reviewed-by: Puranjay Mohan <puranjay@kernel.org>
Signed-off-by: Eduard Zingerman <eddyz87@gmail.com>
Link: https://lore.kernel.org/r/20260410-selftests-global-tags-ordering-v2-3-c566ec9781bf@gmail.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
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Change str_has_pfx() to return a pointer to the first character after
the prefix, thus eliminating the repetitive (s + sizeof(PFX) - 1)
patterns.
Acked-by: Ihor Solodrai <ihor.solodrai@linux.dev>
Acked-by: Mykyta Yatsenko <yatsenko@meta.com>
Reviewed-by: Puranjay Mohan <puranjay@kernel.org>
Signed-off-by: Eduard Zingerman <eddyz87@gmail.com>
Link: https://lore.kernel.org/r/20260410-selftests-global-tags-ordering-v2-2-c566ec9781bf@gmail.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
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__jited_unpriv was using "test_jited=" as its tag name, same as the
priv variant __jited. Fix by using "test_jited_unpriv=".
Fixes: 7d743e4c759c ("selftests/bpf: __jited test tag to check disassembly after jit")
Acked-by: Ihor Solodrai <ihor.solodrai@linux.dev>
Reviewed-by: Puranjay Mohan <puranjay@kernel.org>
Signed-off-by: Eduard Zingerman <eddyz87@gmail.com>
Link: https://lore.kernel.org/r/20260410-selftests-global-tags-ordering-v2-1-c566ec9781bf@gmail.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
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Remove the raw_tp/kmalloc BPF program and its associated reporting from
the local storage create benchmark. The kmalloc count per create is not
a useful metric as different code paths use different allocators (e.g.
kmalloc_nolock vs kzalloc), introducing noise that makes the number
hard to interpret.
Keep total_creates in the summary output as it is useful for normalizing
perf statistics collected alongside the benchmark.
Signed-off-by: Amery Hung <ameryhung@gmail.com>
Link: https://lore.kernel.org/r/20260411015419.114016-2-ameryhung@gmail.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
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Add a test to verifier_linked_scalars that exercises the base_id
consistency check for BPF_ADD_CONST linked scalars during state
pruning.
With the fix, pruning fails and the verifier discovers the true
branch's R3 is too wide for the stack access.
# LDLIBS=-static PKG_CONFIG='pkg-config --static' ./vmtest.sh -- ./test_progs -t verifier_linked_scalars
[...]
#613/22 verifier_linked_scalars/scalars_stale_delta_from_cleared_id:OK
#613/23 verifier_linked_scalars/scalars_stale_delta_from_cleared_id_alu32:OK
#613/24 verifier_linked_scalars/linked scalars: add_const base_id must be consistent for pruning:OK
#613 verifier_linked_scalars:OK
Summary: 1/24 PASSED, 0 SKIPPED, 0 FAILED
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Link: https://lore.kernel.org/r/20260410232651.559778-2-daniel@iogearbox.net
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux
Pull RISC-V updates from Paul Walmsley:
"Before v7.0 is released, fix a few issues with the CFI patchset,
merged earlier in v7.0-rc, that primarily affect interfaces to
non-kernel code:
- Improve the prctl() interface for per-task indirect branch landing
pad control to expand abbreviations and to resemble the speculation
control prctl() interface
- Expand the "LP" and "SS" abbreviations in the ptrace uapi header
file to "branch landing pad" and "shadow stack", to improve
readability
- Fix a typo in a CFI-related macro name in the ptrace uapi header
file
- Ensure that the indirect branch tracking state and shadow stack
state are unlocked immediately after an exec() on the new task so
that libc subsequently can control it
- While working in this area, clean up the kernel-internal,
cross-architecture prctl() function names by expanding the
abbreviations mentioned above"
* tag 'riscv-for-linus-v7.0-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux:
prctl: cfi: change the branch landing pad prctl()s to be more descriptive
riscv: ptrace: cfi: expand "SS" references to "shadow stack" in uapi headers
prctl: rename branch landing pad implementation functions to be more explicit
riscv: ptrace: expand "LP" references to "branch landing pads" in uapi headers
riscv: cfi: clear CFI lock status in start_thread()
riscv: ptrace: cfi: fix "PRACE" typo in uapi header
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Add a selftest for the IFLA_BR_STP_MODE bridge attribute that verifies:
1. stp_mode defaults to auto on new bridges
2. stp_mode can be toggled between user, kernel, and auto
3. Changing stp_mode while STP is active is rejected with -EBUSY
4. Re-setting the same stp_mode while STP is active succeeds
5. stp_mode user in a network namespace yields userspace STP (stp_state=2)
6. stp_mode kernel forces kernel STP (stp_state=1)
7. stp_mode auto in a netns preserves traditional fallback to kernel STP
8. stp_mode and stp_state can be set atomically in a single message
9. stp_mode persists across STP disable/enable cycles
Test 5 is the key use case: it demonstrates that userspace STP can now
be enabled in non-init network namespaces by setting stp_mode to user
before enabling STP.
Test 8 verifies the atomic usage pattern where both attributes are set
in a single netlink message, which is supported because br_changelink()
processes IFLA_BR_STP_MODE before IFLA_BR_STP_STATE.
The test gracefully skips if the installed iproute2 does not support
the stp_mode attribute.
Assisted-by: Claude:claude-opus-4-6
Reviewed-by: Ido Schimmel <idosch@nvidia.com>
Acked-by: Nikolay Aleksandrov <nikolay@nvidia.com>
Signed-off-by: Andy Roulin <aroulin@nvidia.com>
Link: https://patch.msgid.link/20260405205224.3163000-4-aroulin@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
|
|
Extend the ntuple flow steering test to cover dst-ip, src-port, and
dst-port fields. The test supports arbitrary combinations of the fields,
for now we test src_ip/dst_ip, and src_ip/dst_ip/src_port/dst_port.
The tests currently match full fields, but we can consider adding
support for masked fields in the future.
TAP version 13
1..24
ok 1 ntuple.queue.tcp4.src_ip
ok 2 ntuple.queue.tcp4.dst_ip
ok 3 ntuple.queue.tcp4.src_port
ok 4 ntuple.queue.tcp4.dst_port
ok 5 ntuple.queue.tcp4.src_ip.dst_ip
ok 6 ntuple.queue.tcp4.src_ip.dst_ip.src_port.dst_port
ok 7 ntuple.queue.udp4.src_ip
ok 8 ntuple.queue.udp4.dst_ip
ok 9 ntuple.queue.udp4.src_port
ok 10 ntuple.queue.udp4.dst_port
ok 11 ntuple.queue.udp4.src_ip.dst_ip
ok 12 ntuple.queue.udp4.src_ip.dst_ip.src_port.dst_port
ok 13 ntuple.queue.tcp6.src_ip
ok 14 ntuple.queue.tcp6.dst_ip
ok 15 ntuple.queue.tcp6.src_port
ok 16 ntuple.queue.tcp6.dst_port
ok 17 ntuple.queue.tcp6.src_ip.dst_ip
ok 18 ntuple.queue.tcp6.src_ip.dst_ip.src_port.dst_port
ok 19 ntuple.queue.udp6.src_ip
ok 20 ntuple.queue.udp6.dst_ip
ok 21 ntuple.queue.udp6.src_port
ok 22 ntuple.queue.udp6.dst_port
ok 23 ntuple.queue.udp6.src_ip.dst_ip
ok 24 ntuple.queue.udp6.src_ip.dst_ip.src_port.dst_port
# Totals: pass:24 fail:0 xfail:0 xpass:0 skip:0 error:0
Signed-off-by: Dimitri Daskalakis <daskald@meta.com>
Link: https://patch.msgid.link/20260407164954.2977820-3-dimitri.daskalakis1@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
|
|
Add a test for ethtool NFC (ntuple) flow steering rules. The test
creates an ntuple rule matching on various flow fields and verifies
that traffic is steered to the correct queue.
The test forces all traffic to queue 0 via the indirection table,
then installs an ntuple rule to steer select traffic to a specific
queue. The test then verifies the expected number of packets is received
on the queue.
This test has variants for TCP/UDP over IPv4/IPv6, with rules matching
the source IP. Additional match fields will be added in the next commit.
TAP version 13
1..4
ok 1 ntuple.queue.tcp4.src_ip
ok 2 ntuple.queue.udp4.src_ip
ok 3 ntuple.queue.tcp6.src_ip
ok 4 ntuple.queue.udp6.src_ip
# Totals: pass:4 fail:0 xfail:0 xpass:0 skip:0 error:0
Signed-off-by: Dimitri Daskalakis <daskald@meta.com>
Link: https://patch.msgid.link/20260407164954.2977820-2-dimitri.daskalakis1@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
|
|
As a sanity check poison stack slots that stack liveness determined
to be dead, so that any read from such slots will cause program rejection.
If stack liveness logic is incorrect the poison can cause
valid program to be rejected, but it also will prevent unsafe program
to be accepted.
Allow global subprogs "read" poisoned stack slots.
The static stack liveness determined that subprog doesn't read certain
stack slots, but sizeof(arg_type) based global subprog validation
isn't accurate enough to know which slots will actually be read by
the callee, so it needs to check full sizeof(arg_type) at the caller.
Signed-off-by: Eduard Zingerman <eddyz87@gmail.com>
Link: https://lore.kernel.org/r/20260410-patch-set-v4-14-5d4eecb343db@gmail.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
|
|
Add a bunch of new tests to verify the static stack
liveness analysis.
Signed-off-by: Eduard Zingerman <eddyz87@gmail.com>
Link: https://lore.kernel.org/r/20260410-patch-set-v4-13-5d4eecb343db@gmail.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
|
|
The new liveness analysis in liveness.c adds verbose output at
BPF_LOG_LEVEL2, making the verifier log for good_prog exceed the 1024-byte
reference buffer. When the reference is truncated in fixed mode, the
rolling mode captures the actual tail of the full log, which doesn't match
the truncated reference.
The fix is to increase the buffer sizes in the test.
Signed-off-by: Eduard Zingerman <eddyz87@gmail.com>
Link: https://lore.kernel.org/r/20260410-patch-set-v4-12-5d4eecb343db@gmail.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
|
|
The verifier cleans all dead registers and stack slots in the current
state. Adjust expected output in tests or insert dummy stack/register
reads. Also update verifier_live_stack tests to adhere to new logging
scheme.
Signed-off-by: Eduard Zingerman <eddyz87@gmail.com>
Link: https://lore.kernel.org/r/20260410-patch-set-v4-11-5d4eecb343db@gmail.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
|
|
Add test that fakes up a feature cache of supported BPF
features to simulate an older kernel that does not support
BTF layout information. Ensure that BTF is sanitized correctly
to remove layout info between types and strings, and that all
offsets and lengths are adjusted appropriately.
Signed-off-by: Alan Maguire <alan.maguire@oracle.com>
Link: https://lore.kernel.org/r/20260408165735.843763-3-alan.maguire@oracle.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
|
|
test_access_variable_array relied on accessing struct sched_domain::span
to validate variable-length array handling via BTF. Recent scheduler
refactoring removed or hid this field, causing the test
to fail to build.
Given that this test depends on internal scheduler structures that are
subject to refactoring, and equivalent variable-length array coverage
already exists via bpf_testmod-based tests, remove
test_access_variable_array entirely.
Link: https://lore.kernel.org/all/177434340048.1647592.8586759362906719839.tip-bot2@tip-bot2/
Signed-off-by: Venkat Rao Bagalkote <venkat88@linux.ibm.com>
Tested-by: Naveen Kumar Thummalapenta <naveen66@linux.ibm.com>
Link: https://lore.kernel.org/r/20260410105404.91126-1-venkat88@linux.ibm.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
|
|
'for-next/ttbr-macros-cleanup', 'for-next/kselftest', 'for-next/feat_lsui', 'for-next/mpam', 'for-next/hotplug-batched-tlbi', 'for-next/bbml2-fixes', 'for-next/sysreg', 'for-next/generic-entry' and 'for-next/acpi', remote-tracking branches 'arm64/for-next/perf' and 'arm64/for-next/read-once' into for-next/core
* arm64/for-next/perf:
: Perf updates
perf/arm-cmn: Fix resource_size_t printk specifier in arm_cmn_init_dtc()
perf/arm-cmn: Fix incorrect error check for devm_ioremap()
perf: add NVIDIA Tegra410 C2C PMU
perf: add NVIDIA Tegra410 CPU Memory Latency PMU
perf/arm_cspmu: nvidia: Add Tegra410 PCIE-TGT PMU
perf/arm_cspmu: nvidia: Add Tegra410 PCIE PMU
perf/arm_cspmu: Add arm_cspmu_acpi_dev_get
perf/arm_cspmu: nvidia: Add Tegra410 UCF PMU
perf/arm_cspmu: nvidia: Rename doc to Tegra241
perf/arm-cmn: Stop claiming entire iomem region
arm64: cpufeature: Use pmuv3_implemented() function
arm64: cpufeature: Make PMUVer and PerfMon unsigned
KVM: arm64: Read PMUVer as unsigned
* arm64/for-next/read-once:
: Fixes for __READ_ONCE() with CONFIG_LTO=y
arm64, compiler-context-analysis: Permit alias analysis through __READ_ONCE() with CONFIG_LTO=y
arm64: Optimize __READ_ONCE() with CONFIG_LTO=y
* for-next/misc:
: Miscellaneous cleanups/fixes
arm64: rsi: use linear-map alias for realm config buffer
arm64: Kconfig: fix duplicate word in CMDLINE help text
arm64: mte: Skip TFSR_EL1 checks and barriers in synchronous tag check mode
arm64/hwcap: Generate the KERNEL_HWCAP_ definitions for the hwcaps
arm64: kexec: Remove duplicate allocation for trans_pgd
arm64: mm: Use generic enum pgtable_level
arm64: scs: Remove redundant save/restore of SCS SP on entry to/from EL0
arm64: remove ARCH_INLINE_*
* for-next/tlbflush:
: Refactor the arm64 TLB invalidation API and implementation
arm64: mm: __ptep_set_access_flags must hint correct TTL
arm64: mm: Provide level hint for flush_tlb_page()
arm64: mm: Wrap flush_tlb_page() around __do_flush_tlb_range()
arm64: mm: More flags for __flush_tlb_range()
arm64: mm: Refactor __flush_tlb_range() to take flags
arm64: mm: Refactor flush_tlb_page() to use __tlbi_level_asid()
arm64: mm: Simplify __flush_tlb_range_limit_excess()
arm64: mm: Simplify __TLBI_RANGE_NUM() macro
arm64: mm: Re-implement the __flush_tlb_range_op macro in C
arm64: mm: Inline __TLBI_VADDR_RANGE() into __tlbi_range()
arm64: mm: Push __TLBI_VADDR() into __tlbi_level()
arm64: mm: Implicitly invalidate user ASID based on TLBI operation
arm64: mm: Introduce a C wrapper for by-range TLB invalidation
arm64: mm: Re-implement the __tlbi_level macro as a C function
* for-next/ttbr-macros-cleanup:
: Cleanups of the TTBR1_* macros
arm64/mm: Directly use TTBRx_EL1_CnP
arm64/mm: Directly use TTBRx_EL1_ASID_MASK
arm64/mm: Describe TTBR1_BADDR_4852_OFFSET
* for-next/kselftest:
: arm64 kselftest updates
selftests/arm64: Implement cmpbr_sigill() to hwcap test
* for-next/feat_lsui:
: Futex support using FEAT_LSUI instructions to avoid toggling PAN
arm64: armv8_deprecated: Disable swp emulation when FEAT_LSUI present
arm64: Kconfig: Add support for LSUI
KVM: arm64: Use CAST instruction for swapping guest descriptor
arm64: futex: Support futex with FEAT_LSUI
arm64: futex: Refactor futex atomic operation
KVM: arm64: kselftest: set_id_regs: Add test for FEAT_LSUI
KVM: arm64: Expose FEAT_LSUI to guests
arm64: cpufeature: Add FEAT_LSUI
* for-next/mpam: (40 commits)
: Expose MPAM to user-space via resctrl:
: - Add architecture context-switch and hiding of the feature from KVM.
: - Add interface to allow MPAM to be exposed to user-space using resctrl.
: - Add errata workaoround for some existing platforms.
: - Add documentation for using MPAM and what shape of platforms can use resctrl
arm64: mpam: Add initial MPAM documentation
arm_mpam: Quirk CMN-650's CSU NRDY behaviour
arm_mpam: Add workaround for T241-MPAM-6
arm_mpam: Add workaround for T241-MPAM-4
arm_mpam: Add workaround for T241-MPAM-1
arm_mpam: Add quirk framework
arm_mpam: resctrl: Call resctrl_init() on platforms that can support resctrl
arm64: mpam: Select ARCH_HAS_CPU_RESCTRL
arm_mpam: resctrl: Add empty definitions for assorted resctrl functions
arm_mpam: resctrl: Update the rmid reallocation limit
arm_mpam: resctrl: Add resctrl_arch_rmid_read()
arm_mpam: resctrl: Allow resctrl to allocate monitors
arm_mpam: resctrl: Add support for csu counters
arm_mpam: resctrl: Add monitor initialisation and domain boilerplate
arm_mpam: resctrl: Add kunit test for control format conversions
arm_mpam: resctrl: Add support for 'MB' resource
arm_mpam: resctrl: Wait for cacheinfo to be ready
arm_mpam: resctrl: Add rmid index helpers
arm_mpam: resctrl: Convert to/from MPAMs fixed-point formats
arm_mpam: resctrl: Hide CDP emulation behind CONFIG_EXPERT
...
* for-next/hotplug-batched-tlbi:
: arm64/mm: Enable batched TLB flush in unmap_hotplug_range()
arm64/mm: Reject memory removal that splits a kernel leaf mapping
arm64/mm: Enable batched TLB flush in unmap_hotplug_range()
* for-next/bbml2-fixes:
: Fixes for realm guest and BBML2_NOABORT
arm64: mm: Remove pmd_sect() and pud_sect()
arm64: mm: Handle invalid large leaf mappings correctly
arm64: mm: Fix rodata=full block mapping support for realm guests
* for-next/sysreg:
: arm64 sysreg updates
arm64/sysreg: Update ID_AA64SMFR0_EL1 description to DDI0601 2025-12
arm64/sysreg: Update ID_AA64ZFR0_EL1 description to DDI0601 2025-12
arm64/sysreg: Update ID_AA64FPFR0_EL1 description to DDI0601 2025-12
arm64/sysreg: Update ID_AA64ISAR2_EL1 description to DDI0601 2025-12
arm64/sysreg: Update ID_AA64ISAR0_EL1 description to DDI0601 2025-12
arm64/sysreg: Update SMIDR_EL1 to DDI0601 2025-06
* for-next/generic-entry:
: More arm64 refactoring towards using the generic entry code
arm64: Check DAIF (and PMR) at task-switch time
arm64: entry: Use split preemption logic
arm64: entry: Use irqentry_{enter_from,exit_to}_kernel_mode()
arm64: entry: Consistently prefix arm64-specific wrappers
arm64: entry: Don't preempt with SError or Debug masked
entry: Split preemption from irqentry_exit_to_kernel_mode()
entry: Split kernel mode logic from irqentry_{enter,exit}()
entry: Move irqentry_enter() prototype later
entry: Remove local_irq_{enable,disable}_exit_to_user()
entry: Fix stale comment for irqentry_enter()
* for-next/acpi:
: arm64 ACPI updates
ACPI: AGDI: fix missing newline in error message
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The error path after scx_bpf_create_dsq(real_dsq_id, ...) was reporting
test_dsq_id instead of real_dsq_id in the error message, which would
mislead debugging.
Signed-off-by: fangqiurong <fangqiurong@kylinos.cn>
Signed-off-by: Tejun Heo <tj@kernel.org>
|
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People (do people still write code or is it all AI?) seem to not
get that ksft_run() can only be called once. If we call it
multiple times KTAP parsers will likely cut off after the first
batch has finished.
Link: https://patch.msgid.link/20260408221952.819822-1-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
|
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Add VLAN filter propagation tests through offloaded MACsec devices via
actual traffic.
The tests create MACsec tunnels with matching SAs on both endpoints,
stack VLANs on top, and verify connectivity with ping. Covered:
- Offloaded MACsec with VLAN (filters propagate to HW)
- Software MACsec with VLAN (no HW filter propagation)
- Offload on/off toggle and verifying traffic still works
On netdevsim this makes use of the VLAN filter debugfs file to actually
validate that filters are applied/removed correctly.
On real hardware the traffic should validate actual VLAN filter
propagation.
Signed-off-by: Cosmin Ratiu <cratiu@nvidia.com>
Reviewed-by: Sabrina Dubroca <sd@queasysnail.net>
Link: https://patch.msgid.link/20260408115240.1636047-4-cratiu@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
|
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Move MACsec offload API and ethtool feature tests from
tools/testing/selftests/drivers/net/netdevsim/macsec-offload.sh to
tools/testing/selftests/drivers/net/macsec.py using the NetDrvEnv
framework so tests can run against both netdevsim (default) and real
hardware (NETIF=ethX). As some real hardware requires MACsec to use
encryption, add that to the tests.
Netdevsim-specific limit checks (max SecY, max RX SC) were moved into
separate test cases to avoid failures on real hardware.
Signed-off-by: Cosmin Ratiu <cratiu@nvidia.com>
Reviewed-by: Sabrina Dubroca <sd@queasysnail.net>
Link: https://patch.msgid.link/20260408115240.1636047-2-cratiu@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
|
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Daniel Borkmann says:
====================
netkit: Support for io_uring zero-copy and AF_XDP
Containers use virtual netdevs to route traffic from a physical netdev
in the host namespace. They do not have access to the physical netdev
in the host and thus can't use memory providers or AF_XDP that require
reconfiguring/restarting queues in the physical netdev.
This patchset adds the concept of queue leasing to virtual netdevs that
allow containers to use memory providers and AF_XDP at native speed.
Leased queues are bound to a real queue in a physical netdev and act
as a proxy.
Memory providers and AF_XDP operations take an ifindex and queue id,
so containers would pass in an ifindex for a virtual netdev and a queue
id of a leased queue, which then gets proxied to the underlying real
queue.
We have implemented support for this concept in netkit and tested the
latter against Nvidia ConnectX-6 (mlx5) as well as Broadcom BCM957504
(bnxt_en) 100G NICs. For more details see the individual patches.
====================
Link: https://patch.msgid.link/20260402231031.447597-1-daniel@iogearbox.net
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Add extensive selftests for netkit queue leasing, using io_uring zero
copy test binary inside of a netns with netkit. This checks that memory
providers can be bound against virtual queues in a netkit within a
netns that are leasing from a physical netdev in the default netns.
Also add various test cases around corner cases for the queue creation
itself as well as queue info dumping and teardown in case of netkit in
device pair and single mode.
Signed-off-by: David Wei <dw@davidwei.uk>
Co-developed-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Link: https://patch.msgid.link/20260402231031.447597-15-daniel@iogearbox.net
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
|
|
Newer compilers tend to detect more problematic code.
Update the testsuite to use gcc 15.2.0 by default.
Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
Link: https://patch.msgid.link/20260408-nolibc-gcc-15-v1-3-330d0c40f894@weissschuh.net
|
|
Cross-merge networking fixes after downstream PR (net-7.0-rc8).
Conflicts:
net/ipv6/seg6_iptunnel.c
c3812651b522f ("seg6: separate dst_cache for input and output paths in seg6 lwtunnel")
78723a62b969a ("seg6: add per-route tunnel source address")
https://lore.kernel.org/adZhwtOYfo-0ImSa@sirena.org.uk
net/ipv4/icmp.c
fde29fd934932 ("ipv4: icmp: fix null-ptr-deref in icmp_build_probe()")
d98adfbdd5c01 ("ipv4: drop ipv6_stub usage and use direct function calls")
https://lore.kernel.org/adO3dccqnr6j-BL9@sirena.org.uk
Adjacent changes:
drivers/net/ethernet/stmicro/stmmac/chain_mode.c
51f4e090b9f8 ("net: stmmac: fix integer underflow in chain mode")
6b4286e05508 ("net: stmmac: rename STMMAC_GET_ENTRY() -> STMMAC_NEXT_ENTRY()")
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
|
|
Extend the verifier_direct_packet_access BPF selftests to exercise the
verifier code paths which ensure that the pkt range is cleared after
add/sub alu with a known scalar. The tests reject the invalid access.
# LDLIBS=-static PKG_CONFIG='pkg-config --static' ./vmtest.sh -- ./test_progs -t verifier_direct
[...]
#592/35 verifier_direct_packet_access/direct packet access: pkt_range cleared after sub with known scalar:OK
#592/36 verifier_direct_packet_access/direct packet access: pkt_range cleared after add with known scalar:OK
#592/37 verifier_direct_packet_access/direct packet access: test3:OK
#592/38 verifier_direct_packet_access/direct packet access: test3 @unpriv:OK
#592/39 verifier_direct_packet_access/direct packet access: test34 (non-linear, cgroup_skb/ingress, too short eth):OK
#592/40 verifier_direct_packet_access/direct packet access: test35 (non-linear, cgroup_skb/ingress, too short 1):OK
#592/41 verifier_direct_packet_access/direct packet access: test36 (non-linear, cgroup_skb/ingress, long enough):OK
#592 verifier_direct_packet_access:OK
[...]
Summary: 2/47 PASSED, 0 SKIPPED, 0 FAILED
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Link: https://lore.kernel.org/r/20260409155016.536608-2-daniel@iogearbox.net
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
|
|
git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Paolo Abeni:
"Including fixes from netfilter, IPsec and wireless. This is again
considerably bigger than the old average. No known outstanding
regressions.
Current release - regressions:
- net: increase IP_TUNNEL_RECURSION_LIMIT to 5
- eth: ice: fix PTP timestamping broken by SyncE code on E825C
Current release - new code bugs:
- eth: stmmac: dwmac-motorcomm: fix eFUSE MAC address read failure
Previous releases - regressions:
- core: fix cross-cache free of KFENCE-allocated skb head
- sched: act_csum: validate nested VLAN headers
- rxrpc: fix call removal to use RCU safe deletion
- xfrm:
- wait for RCU readers during policy netns exit
- fix refcount leak in xfrm_migrate_policy_find
- wifi: rt2x00usb: fix devres lifetime
- mptcp: fix slab-use-after-free in __inet_lookup_established
- ipvs: fix NULL deref in ip_vs_add_service error path
- eth:
- airoha: fix memory leak in airoha_qdma_rx_process()
- lan966x: fix use-after-free and leak in lan966x_fdma_reload()
Previous releases - always broken:
- ipv6: ioam: fix potential NULL dereferences in __ioam6_fill_trace_data()
- ipv4: nexthop: avoid duplicate NHA_HW_STATS_ENABLE on nexthop group
dump
- bridge: guard local VLAN-0 FDB helpers against NULL vlan group
- xsk: tailroom reservation and MTU validation
- rxrpc:
- fix to request an ack if window is limited
- fix RESPONSE authenticator parser OOB read
- netfilter: nft_ct: fix use-after-free in timeout object destroy
- batman-adv: hold claim backbone gateways by reference
- eth:
- stmmac: fix PTP ref clock for Tegra234
- idpf: fix PREEMPT_RT raw/bh spinlock nesting for async VC handling
- ipa: fix GENERIC_CMD register field masks for IPA v5.0+"
* tag 'net-7.0-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (104 commits)
net: lan966x: fix use-after-free and leak in lan966x_fdma_reload()
net: lan966x: fix page pool leak in error paths
net: lan966x: fix page_pool error handling in lan966x_fdma_rx_alloc_page_pool()
nfc: pn533: allocate rx skb before consuming bytes
l2tp: Drop large packets with UDP encap
net: ipa: fix event ring index not programmed for IPA v5.0+
net: ipa: fix GENERIC_CMD register field masks for IPA v5.0+
MAINTAINERS: Add Prashanth as additional maintainer for amd-xgbe driver
devlink: Fix incorrect skb socket family dumping
af_unix: read UNIX_DIAG_VFS data under unix_state_lock
Revert "mptcp: add needs_id for netlink appending addr"
mptcp: fix slab-use-after-free in __inet_lookup_established
net: txgbe: leave space for null terminators on property_entry
net: ioam6: fix OOB and missing lock
rxrpc: proc: size address buffers for %pISpc output
rxrpc: only handle RESPONSE during service challenge
rxrpc: Fix buffer overread in rxgk_do_verify_authenticator()
rxrpc: Fix leak of rxgk context in rxgk_verify_response()
rxrpc: Fix integer overflow in rxgk_verify_response()
rxrpc: Fix missing error checks for rxkad encryption/decryption failure
...
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'intel/vt-d', 'amd/amd-vi' and 'core' into next
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