| Commit message (Collapse) | Author | Age | Files | Lines |
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Test that the fdinfo field of a pidfd referring to a dead process
correctly shows Pid: -1 and NSpid: -1.
Cc: Christian Kellner <christian@kellner.me>
Cc: linux-kselftest@vger.kernel.org
Reviewed-by: Christian Kellner <christian@kellner.me>
Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>
Link: https://lore.kernel.org/r/20191017101832.5985-2-christian.brauner@ubuntu.com
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Add a test that checks that if pid namespaces are configured the fdinfo
file of a pidfd contains an NSpid: entry containing the process id in
the current and additionally all nested namespaces. In the case that
a pidfd is from a pid namespace not in the same namespace hierarchy as
the process accessing the fdinfo file, ensure the 'NSpid' shows 0 for
that pidfd, analogous to the 'Pid' entry.
Signed-off-by: Christian Kellner <christian@kellner.me>
Acked-by: Christian Brauner <christian.brauner@ubuntu.com>
Link: https://lore.kernel.org/r/20191014162034.2185-2-ckellner@redhat.com
Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>
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Pull KVM updates from Paolo Bonzini:
"ARM:
- data abort report and injection
- steal time support
- GICv4 performance improvements
- vgic ITS emulation fixes
- simplify FWB handling
- enable halt polling counters
- make the emulated timer PREEMPT_RT compliant
s390:
- small fixes and cleanups
- selftest improvements
- yield improvements
PPC:
- add capability to tell userspace whether we can single-step the
guest
- improve the allocation of XIVE virtual processor IDs
- rewrite interrupt synthesis code to deliver interrupts in virtual
mode when appropriate.
- minor cleanups and improvements.
x86:
- XSAVES support for AMD
- more accurate report of nested guest TSC to the nested hypervisor
- retpoline optimizations
- support for nested 5-level page tables
- PMU virtualization optimizations, and improved support for nested
PMU virtualization
- correct latching of INITs for nested virtualization
- IOAPIC optimization
- TSX_CTRL virtualization for more TAA happiness
- improved allocation and flushing of SEV ASIDs
- many bugfixes and cleanups"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (127 commits)
kvm: nVMX: Relax guest IA32_FEATURE_CONTROL constraints
KVM: x86: Grab KVM's srcu lock when setting nested state
KVM: x86: Open code shared_msr_update() in its only caller
KVM: Fix jump label out_free_* in kvm_init()
KVM: x86: Remove a spurious export of a static function
KVM: x86: create mmu/ subdirectory
KVM: nVMX: Remove unnecessary TLB flushes on L1<->L2 switches when L1 use apic-access-page
KVM: x86: remove set but not used variable 'called'
KVM: nVMX: Do not mark vmcs02->apic_access_page as dirty when unpinning
KVM: vmx: use MSR_IA32_TSX_CTRL to hard-disable TSX on guest that lack it
KVM: vmx: implement MSR_IA32_TSX_CTRL disable RTM functionality
KVM: x86: implement MSR_IA32_TSX_CTRL effect on CPUID
KVM: x86: do not modify masked bits of shared MSRs
KVM: x86: fix presentation of TSX feature in ARCH_CAPABILITIES
KVM: PPC: Book3S HV: XIVE: Fix potential page leak on error path
KVM: PPC: Book3S HV: XIVE: Free previous EQ page when setting up a new one
KVM: nVMX: Assume TLB entries of L1 and L2 are tagged differently if L0 use EPT
KVM: x86: Unexport kvm_vcpu_reload_apic_access_page()
KVM: nVMX: add CR4_LA57 bit to nested CR4_FIXED1
KVM: nVMX: Use semi-colon instead of comma for exit-handlers initialization
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Conflicts:
arch/x86/kvm/vmx/vmx.c
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git://git.kernel.org/pub/scm/linux/kernel/git/kvms390/linux into HEAD
KVM: s390: small fixes and enhancements
- selftest improvements
- yield improvements
- cleanups
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similar to commit 2c57da356800 ("selftests: kvm: fix sync_regs_test with
newer gccs") and commit 204c91eff798a ("KVM: selftests: do not blindly
clobber registers in guest asm") we better do not rely on gcc leaving
r11 untouched. We can write the simple ucall inline and have the guest
code completely as small assembler function.
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Suggested-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
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On kvm_create_max_vcpus test remove unneeded local
variable in the loop that add vcpus to the VM.
Signed-off-by: Wainer dos Santos Moschetta <wainersm@redhat.com>
Reviewed-by: Krish Sadhukhan <krish.sadhukhan@oracle.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Ensure that IA32_XSS appears in KVM_GET_MSR_INDEX_LIST if it can be set
to a non-zero value.
Reviewed-by: Jim Mattson <jmattson@google.com>
Signed-off-by: Aaron Lewis <aaronlewis@google.com>
Change-Id: Ia2d644f69e2d6d8c27d7e0a7a45c2bf9c42bf5ff
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 updates from Catalin Marinas:
"Apart from the arm64-specific bits (core arch and perf, new arm64
selftests), it touches the generic cow_user_page() (reviewed by
Kirill) together with a macro for x86 to preserve the existing
behaviour on this architecture.
Summary:
- On ARMv8 CPUs without hardware updates of the access flag, avoid
failing cow_user_page() on PFN mappings if the pte is old. The
patches introduce an arch_faults_on_old_pte() macro, defined as
false on x86. When true, cow_user_page() makes the pte young before
attempting __copy_from_user_inatomic().
- Covert the synchronous exception handling paths in
arch/arm64/kernel/entry.S to C.
- FTRACE_WITH_REGS support for arm64.
- ZONE_DMA re-introduced on arm64 to support Raspberry Pi 4
- Several kselftest cases specific to arm64, together with a
MAINTAINERS update for these files (moved to the ARM64 PORT entry).
- Workaround for a Neoverse-N1 erratum where the CPU may fetch stale
instructions under certain conditions.
- Workaround for Cortex-A57 and A72 errata where the CPU may
speculatively execute an AT instruction and associate a VMID with
the wrong guest page tables (corrupting the TLB).
- Perf updates for arm64: additional PMU topologies on HiSilicon
platforms, support for CCN-512 interconnect, AXI ID filtering in
the IMX8 DDR PMU, support for the CCPI2 uncore PMU in ThunderX2.
- GICv3 optimisation to avoid a heavy barrier when accessing the
ICC_PMR_EL1 register.
- ELF HWCAP documentation updates and clean-up.
- SMC calling convention conduit code clean-up.
- KASLR diagnostics printed during boot
- NVIDIA Carmel CPU added to the KPTI whitelist
- Some arm64 mm clean-ups: use generic free_initrd_mem(), remove
stale macro, simplify calculation in __create_pgd_mapping(), typos.
- Kconfig clean-ups: CMDLINE_FORCE to depend on CMDLINE, choice for
endinanness to help with allmodconfig"
* tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: (93 commits)
arm64: Kconfig: add a choice for endianness
kselftest: arm64: fix spelling mistake "contiguos" -> "contiguous"
arm64: Kconfig: make CMDLINE_FORCE depend on CMDLINE
MAINTAINERS: Add arm64 selftests to the ARM64 PORT entry
arm64: kaslr: Check command line before looking for a seed
arm64: kaslr: Announce KASLR status on boot
kselftest: arm64: fake_sigreturn_misaligned_sp
kselftest: arm64: fake_sigreturn_bad_size
kselftest: arm64: fake_sigreturn_duplicated_fpsimd
kselftest: arm64: fake_sigreturn_missing_fpsimd
kselftest: arm64: fake_sigreturn_bad_size_for_magic0
kselftest: arm64: fake_sigreturn_bad_magic
kselftest: arm64: add helper get_current_context
kselftest: arm64: extend test_init functionalities
kselftest: arm64: mangle_pstate_invalid_mode_el[123][ht]
kselftest: arm64: mangle_pstate_invalid_daif_bits
kselftest: arm64: mangle_pstate_invalid_compat_toggle and common utils
kselftest: arm64: extend toplevel skeleton Makefile
drivers/perf: hisi: update the sccl_id/ccl_id for certain HiSilicon platform
arm64: mm: reserve CMA and crashkernel in ZONE_DMA32
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There is a spelling mistake in an error message literal string. Fix it.
Fixes: f96bf4340316 ("kselftest: arm64: mangle_pstate_invalid_compat_toggle and common utils")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
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Add a simple fake_sigreturn testcase which places a valid sigframe on a
non-16 bytes aligned SP. Expects a SIGSEGV on test PASS.
Reviewed-by: Dave Martin <Dave.Martin@arm.com>
Signed-off-by: Cristian Marussi <cristian.marussi@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
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Add a simple fake_sigreturn testcase which builds a ucontext_t with a
badly sized header that causes a overrun in the __reserved area and
place it onto the stack. Expects a SIGSEGV on test PASS.
Reviewed-by: Dave Martin <Dave.Martin@arm.com>
Signed-off-by: Cristian Marussi <cristian.marussi@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
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Add a simple fake_sigreturn testcase which builds a ucontext_t with
an anomalous additional fpsimd_context and place it onto the stack.
Expects a SIGSEGV on test PASS.
Reviewed-by: Dave Martin <Dave.Martin@arm.com>
Signed-off-by: Cristian Marussi <cristian.marussi@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
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Add a simple fake_sigreturn testcase which builds a ucontext_t without
the required fpsimd_context and place it onto the stack.
Expects a SIGSEGV on test PASS.
Reviewed-by: Dave Martin <Dave.Martin@arm.com>
Signed-off-by: Cristian Marussi <cristian.marussi@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
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Add a simple fake_sigreturn testcase which builds a ucontext_t with a
badly sized terminator record and place it onto the stack.
Expects a SIGSEGV on test PASS.
Reviewed-by: Dave Martin <Dave.Martin@arm.com>
Signed-off-by: Cristian Marussi <cristian.marussi@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
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Add a simple fake_sigreturn testcase which builds a ucontext_t with a bad
magic header and place it onto the stack. Expects a SIGSEGV on test PASS.
Introduce a common utility assembly trampoline function to invoke a
sigreturn while placing the provided sigframe at wanted alignment and
also an helper to make space when needed inside the sigframe reserved
area.
Reviewed-by: Dave Martin <Dave.Martin@arm.com>
Signed-off-by: Cristian Marussi <cristian.marussi@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
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Introduce a new common utility function get_current_context() which can be
used to grab a ucontext without the help of libc, and also to detect if
such ucontext has been successfully used by placing it on the stack as a
fake sigframe.
Reviewed-by: Dave Martin <Dave.Martin@arm.com>
Signed-off-by: Cristian Marussi <cristian.marussi@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
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Extend signal testing framework to allow the definition of a custom per
test initialization function to be run at the end of the common test_init
after test setup phase has completed and before test-run routine.
This custom per-test initialization function also enables the test writer
to decide on its own when forcibly skip the test itself using standard KSFT
mechanism.
Reviewed-by: Dave Martin <Dave.Martin@arm.com>
Signed-off-by: Cristian Marussi <cristian.marussi@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
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Add 6 simple mangle testcases that mess with the ucontext_t from within
the signal handler, trying to toggle PSTATE mode bits to trick the system
into switching to EL1/EL2/EL3 using both SP_EL0(t) and SP_ELx(h).
Expects SIGSEGV on test PASS.
Reviewed-by: Dave Martin <Dave.Martin@arm.com>
Signed-off-by: Cristian Marussi <cristian.marussi@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
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Add a simple mangle testcase which messes with the ucontext_t from within
the signal handler, trying to set PSTATE DAIF bits to an invalid value
(masking everything). Expects SIGSEGV on test PASS.
Reviewed-by: Dave Martin <Dave.Martin@arm.com>
Signed-off-by: Cristian Marussi <cristian.marussi@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
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Add some arm64/signal specific boilerplate and utility code to help
further testcases' development.
Introduce also one simple testcase mangle_pstate_invalid_compat_toggle
and some related helpers: it is a simple mangle testcase which messes
with the ucontext_t from within the signal handler, trying to toggle
PSTATE state bits to switch the system between 32bit/64bit execution
state. Expects SIGSEGV on test PASS.
Reviewed-by: Dave Martin <Dave.Martin@arm.com>
Signed-off-by: Cristian Marussi <cristian.marussi@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
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Modify KSFT arm64 toplevel Makefile to maintain arm64 kselftests organized
by subsystem, keeping them into distinct subdirectories under arm64 custom
KSFT directory: tools/testing/selftests/arm64/
Add to such toplevel Makefile a mechanism to guess the effective location
of Kernel headers as installed by KSFT framework.
Fit existing arm64 tags kselftest into this new schema moving them into
their own subdirectory (arm64/tags).
Reviewed-by: Dave Martin <Dave.Martin@arm.com>
Signed-off-by: Cristian Marussi <cristian.marussi@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest
Pull kselftest KUnit support gtom Shuah Khan:
"This adds KUnit, a lightweight unit testing and mocking framework for
the Linux kernel from Brendan Higgins.
KUnit is not an end-to-end testing framework. It is currently
supported on UML and sub-systems can write unit tests and run them in
UML env. KUnit documentation is included in this update.
In addition, this Kunit update adds 3 new kunit tests:
- proc sysctl test from Iurii Zaikin
- the 'list' doubly linked list test from David Gow
- ext4 tests for decoding extended timestamps from Iurii Zaikin
In the future KUnit will be linked to Kselftest framework to provide a
way to trigger KUnit tests from user-space"
* tag 'linux-kselftest-5.5-rc1-kunit' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest: (23 commits)
lib/list-test: add a test for the 'list' doubly linked list
ext4: add kunit test for decoding extended timestamps
Documentation: kunit: Fix verification command
kunit: Fix '--build_dir' option
kunit: fix failure to build without printk
MAINTAINERS: add proc sysctl KUnit test to PROC SYSCTL section
kernel/sysctl-test: Add null pointer test for sysctl.c:proc_dointvec()
MAINTAINERS: add entry for KUnit the unit testing framework
Documentation: kunit: add documentation for KUnit
kunit: defconfig: add defconfigs for building KUnit tests
kunit: tool: add Python wrappers for running KUnit tests
kunit: test: add tests for KUnit managed resources
kunit: test: add the concept of assertions
kunit: test: add tests for kunit test abort
kunit: test: add support for test abort
objtool: add kunit_try_catch_throw to the noreturn list
kunit: test: add initial tests
lib: enable building KUnit in lib/
kunit: test: add the concept of expectations
kunit: test: add assertion printing library
...
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Running kunit with '--build_dir' option gives following error message:
```
$ ./tools/testing/kunit/kunit.py run --build_dir ../linux.out.kunit/
[00:57:24] Building KUnit Kernel ...
[00:57:29] Starting KUnit Kernel ...
Traceback (most recent call last):
File "./tools/testing/kunit/kunit.py", line 136, in <module>
main(sys.argv[1:])
File "./tools/testing/kunit/kunit.py", line 129, in main
result = run_tests(linux, request)
File "./tools/testing/kunit/kunit.py", line 68, in run_tests
test_result = kunit_parser.parse_run_tests(kunit_output)
File "/home/sjpark/linux/tools/testing/kunit/kunit_parser.py", line
283, in parse_run_tests
test_result =
parse_test_result(list(isolate_kunit_output(kernel_output)))
File "/home/sjpark/linux/tools/testing/kunit/kunit_parser.py", line
54, in isolate_kunit_output
for line in kernel_output:
File "/home/sjpark/linux/tools/testing/kunit/kunit_kernel.py", line
145, in run_kernel
process = self._ops.linux_bin(args, timeout, build_dir)
File "/home/sjpark/linux/tools/testing/kunit/kunit_kernel.py", line
69, in linux_bin
stderr=subprocess.PIPE)
File "/usr/lib/python3.5/subprocess.py", line 947, in __init__
restore_signals, start_new_session)
File "/usr/lib/python3.5/subprocess.py", line 1551, in _execute_child
raise child_exception_type(errno_num, err_msg)
FileNotFoundError: [Errno 2] No such file or directory: './linux'
```
This error occurs because the '--build_dir' option value is not passed
to the 'run_kernel()' function. Consequently, the function assumes
the kernel image that built for the tests, which is under the
'--build_dir' directory, is in kernel source directory and finally raises
the 'FileNotFoundError'.
This commit fixes the problem by properly passing the '--build_dir'
option value to the 'run_kernel()'.
Signed-off-by: SeongJae Park <sj38.park@gmail.com>
Reviewed-by: Brendan Higgins <brendanhiggins@google.com>
Tested-by: Brendan Higgins <brendanhiggins@google.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
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Add defconfig for UML and a fragment that can be used to configure other
architectures for building KUnit tests. Add option to kunit_tool to use
a defconfig to create the kunitconfig.
Signed-off-by: Brendan Higgins <brendanhiggins@google.com>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Reviewed-by: Logan Gunthorpe <logang@deltatee.com>
Reviewed-by: Stephen Boyd <sboyd@kernel.org>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
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The ultimate goal is to create minimal isolated test binaries; in the
meantime we are using UML to provide the infrastructure to run tests, so
define an abstract way to configure and run tests that allow us to
change the context in which tests are built without affecting the user.
This also makes pretty and dynamic error reporting, and a lot of other
nice features easier.
kunit_config.py:
- parse .config and Kconfig files.
kunit_kernel.py: provides helper functions to:
- configure the kernel using kunitconfig.
- build the kernel with the appropriate configuration.
- provide function to invoke the kernel and stream the output back.
kunit_parser.py: parses raw logs returned out by kunit_kernel and
displays them in a user friendly way.
test_data/*: samples of test data for testing kunit.py, kunit_config.py,
etc.
Signed-off-by: Felix Guo <felixguoxiuping@gmail.com>
Signed-off-by: Brendan Higgins <brendanhiggins@google.com>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Reviewed-by: Logan Gunthorpe <logang@deltatee.com>
Reviewed-by: Stephen Boyd <sboyd@kernel.org>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest
Pull kselftest fixes from Shuah Khan:
"This consists of several fixes to tests and framework.
Masami Hiramatsu fixed several tests to build and run correctly on arm
and other 32bit architectures"
* tag 'linux-kselftest-5.5-rc1-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest:
selftests: sync: Fix cast warnings on arm
selftests: net: Fix printf format warnings on arm
selftests: net: Use size_t and ssize_t for counting file size
selftests: vm: Build/Run 64bit tests only on 64bit arch
selftests: proc: Make va_max 1MB
kselftest: Fix NULL INSTALL_PATH for TARGETS runlist
selftests: Move kselftest_module.sh into kselftest/
selftests: gen_kselftest_tar.sh: Do not clobber kselftest/
selftests: breakpoints: Fix a typo of function name
selftests: Fix O= and KBUILD_OUTPUT handling for relative paths
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Fix warnings on __u64 and pointer translation on arm and
other 32bit architectures. Since the pointer is 32bits on
those archs, we should not directly cast those types.
Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Emilio López <emilio.lopez@collabora.co.uk>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
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Fix printf format warnings on arm (and other 32bit arch).
- udpgso.c and udpgso_bench_tx use %lu for size_t but it
should be unsigned long long on 32bit arch.
- so_txtime.c uses %ld for int64_t, but it should be
unsigned long long on 32bit arch.
Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Willem de Bruijn <willemb@google.com>
Cc: David S. Miller <davem@davemloft.net>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
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Use size_t and ssize_t correctly for counting send file size
instead of unsigned long and long, because long is 32bit on
32bit arch, which is not enough for counting long file size (>4GB).
Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Eric Dumazet <edumazet@google.com>
Cc: David S. Miller <davem@davemloft.net>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
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Some virtual address range tests requires 64bit address space,
and we can not build and run those tests on the 32bit machine.
Filter the 64bit architectures in Makefile and run_vmtests,
so that those tests are built/run only on 64bit archs.
Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Anshuman Khandual <khandual@linux.vnet.ibm.com>
Cc: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
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Currently proc-self-map-files-002.c sets va_max (max test address
of user virtual address) to 4GB, but it is too big for 32bit
arch and 1UL << 32 is overflow on 32bit long.
Also since this value should be enough bigger than vm.mmap_min_addr
(64KB or 32KB by default), 1MB should be enough.
Make va_max 1MB unconditionally.
Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
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As per commit 131b30c94fbc ("kselftest: exclude failed TARGETS from
runlist") failed targets were excluded from the runlist. But value
$$INSTALL_PATH is always NULL. It should be $INSTALL_PATH instead
$$INSTALL_PATH.
So, fix Makefile to use $INSTALL_PATH.
Fixes: 131b30c94fbc ("kselftest: exclude failed TARGETS from runlist")
Signed-off-by: Prabhakar Kushwaha <pkushwaha@marvell.com>
Reviewed-by: Cristian Marussi <cristian.marussi@arm.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
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The kselftest_module.sh file was not being installed by the Makefile
"install" target, rendering the lib/*.sh tests nonfunction. This fixes
that and takes the opportunity to move it into the kselftest/ subdirectory
which is where the kselftest infrastructure bits are collecting.
Reported-by: Naresh Kamboju <naresh.kamboju@linaro.org>
Link: https://lore.kernel.org/lkml/CA+G9fYsfJpXQvOvHdjtg8z4a89dSStOQZOKa9zMjjQgWKng1aw@mail.gmail.com
Fixes: d3460527706e ("kselftest: Add test runner creation script")
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
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The default installation location for gen_kselftest_tar.sh was still
"kselftest/" which collides with the existing directory. Instead, this
moves the installation target into "kselftest_install/kselftest/" and
adjusts the tar creation accordingly. This also adjusts indentation and
logic to be consistent.
Fixes: 42d46e57ec97 ("selftests: Extract single-test shell logic from lib.mk")
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
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Since commit 5821ba969511 ("selftests: Add test plan API to kselftest.h
and adjust callers") accidentally introduced 'a' typo in the front of
run_test() function, breakpoint_test_arm64.c became not able to be
compiled.
Remove the 'a' from arun_test().
Fixes: 5821ba969511 ("selftests: Add test plan API to kselftest.h and adjust callers")
Reported-by: Jun Takahashi <takahashi.jun_s@aa.socionext.com>
Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Kees Cook <keescook@chromium.org>
Reviewed-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
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Fix O= and KBUILD_OUTPUT handling for relative paths.
export KBUILD_OUTPUT=../kselftest_size
make TARGETS=size kselftest-all
or
make O=../kselftest_size TARGETS=size kselftest-all
In both of these cases, targets get built in ../kselftest_size which is
a one level up from the size test directory.
make[1]: Entering directory '/mnt/data/lkml/kselftest_size'
make --no-builtin-rules INSTALL_HDR_PATH=$BUILD/usr \
ARCH=x86 -C ../../.. headers_install
INSTALL ../kselftest_size/usr/include
gcc -static -ffreestanding -nostartfiles -s get_size.c -o ../kselftest_size/size/get_size
/usr/bin/ld: cannot open output file ../kselftest_size/size/get_size: No such file or directory
collect2: error: ld returned 1 exit status
make[3]: *** [../lib.mk:138: ../kselftest_size/size/get_size] Error 1
make[2]: *** [Makefile:143: all] Error 2
make[1]: *** [/mnt/data/lkml/linux_5.4/Makefile:1221: kselftest-all] Error 2
make[1]: Leaving directory '/mnt/data/lkml/kselftest_size'
make: *** [Makefile:179: sub-make] Error 2
Use abs_objtree exported by the main Makefile.
Reported-by: Tim Bird <Tim.Bird@sony.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
Tested-by: Tim Bird <tim.bird@sony.com>
Acked-by: Tim Bird <tim.bird@sony.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
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Pull networking fixes from David Miller:
1) Fix memory leak in xfrm_state code, from Steffen Klassert.
2) Fix races between devlink reload operations and device
setup/cleanup, from Jiri Pirko.
3) Null deref in NFC code, from Stephan Gerhold.
4) Refcount fixes in SMC, from Ursula Braun.
5) Memory leak in slcan open error paths, from Jouni Hogander.
6) Fix ETS bandwidth validation in hns3, from Yonglong Liu.
7) Info leak on short USB request answers in ax88172a driver, from
Oliver Neukum.
8) Release mem region properly in ep93xx_eth, from Chuhong Yuan.
9) PTP config timestamp flags validation, from Richard Cochran.
10) Dangling pointers after SKB data realloc in seg6, from Andrea Mayer.
11) Missing free_netdev() in gemini driver, from Chuhong Yuan.
* git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (56 commits)
ipmr: Fix skb headroom in ipmr_get_route().
net: hns3: cleanup of stray struct hns3_link_mode_mapping
net/smc: fix fastopen for non-blocking connect()
rds: ib: update WR sizes when bringing up connection
net: gemini: add missed free_netdev
net: dsa: tag_8021q: Fix dsa_8021q_restore_pvid for an absent pvid
seg6: fix skb transport_header after decap_and_validate()
seg6: fix srh pointer in get_srh()
net: stmmac: Use the correct style for SPDX License Identifier
octeontx2-af: Use the correct style for SPDX License Identifier
ptp: Extend the test program to check the external time stamp flags.
mlx5: Reject requests to enable time stamping on both edges.
igb: Reject requests that fail to enable time stamping on both edges.
dp83640: Reject requests to enable time stamping on both edges.
mv88e6xxx: Reject requests to enable time stamping on both edges.
ptp: Introduce strict checking of external time stamp options.
renesas: reject unsupported external timestamp flags
mlx5: reject unsupported external timestamp flags
igb: reject unsupported external timestamp flags
dp83640: reject unsupported external timestamp flags
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Because each driver and hardware has different capabilities, the test
cannot provide a simple pass/fail result, but it can at least show what
combinations of flags are supported.
Signed-off-by: Richard Cochran <richardcochran@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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mlxsw does not support VXLAN devices with a physical device attached and
vetoes such configurations upon enslavement to an offloaded bridge.
Commit 0ce1822c2a08 ("vxlan: add adjacent link to limit depth level")
changed the VXLAN device to be an upper of the physical device which
causes mlxsw to veto the creation of the VXLAN device with "Unknown
upper device type".
This is OK as this configuration is not supported, but it prevents us
from testing bad flows involving the enslavement of VXLAN devices with a
physical device to a bridge, regardless if the physical device is an
mlxsw netdev or not.
Adjust the test to use a dummy device as a physical device instead of a
mlxsw netdev.
Fixes: 0ce1822c2a08 ("vxlan: add adjacent link to limit depth level")
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Glibc-2.30 gained gettid() wrapper, selftests fail to compile:
lib/assert.c:58:14: error: static declaration of ‘gettid’ follows non-static declaration
58 | static pid_t gettid(void)
| ^~~~~~
In file included from /usr/include/unistd.h:1170,
from include/test_util.h:18,
from lib/assert.c:10:
/usr/include/bits/unistd_ext.h:34:16: note: previous declaration of ‘gettid’ was here
34 | extern __pid_t gettid (void) __THROW;
| ^~~~~~
Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Pull networking fixes from David Miller:
1) BPF sample build fixes from Björn Töpel
2) Fix powerpc bpf tail call implementation, from Eric Dumazet.
3) DCCP leaks jiffies on the wire, fix also from Eric Dumazet.
4) Fix crash in ebtables when using dnat target, from Florian Westphal.
5) Fix port disable handling whne removing bcm_sf2 driver, from Florian
Fainelli.
6) Fix kTLS sk_msg trim on fallback to copy mode, from Jakub Kicinski.
7) Various KCSAN fixes all over the networking, from Eric Dumazet.
8) Memory leaks in mlx5 driver, from Alex Vesker.
9) SMC interface refcounting fix, from Ursula Braun.
10) TSO descriptor handling fixes in stmmac driver, from Jose Abreu.
11) Add a TX lock to synchonize the kTLS TX path properly with crypto
operations. From Jakub Kicinski.
12) Sock refcount during shutdown fix in vsock/virtio code, from Stefano
Garzarella.
13) Infinite loop in Intel ice driver, from Colin Ian King.
* git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (108 commits)
ixgbe: need_wakeup flag might not be set for Tx
i40e: need_wakeup flag might not be set for Tx
igb/igc: use ktime accessors for skb->tstamp
i40e: Fix for ethtool -m issue on X722 NIC
iavf: initialize ITRN registers with correct values
ice: fix potential infinite loop because loop counter being too small
qede: fix NULL pointer deref in __qede_remove()
net: fix data-race in neigh_event_send()
vsock/virtio: fix sock refcnt holding during the shutdown
net: ethernet: octeon_mgmt: Account for second possible VLAN header
mac80211: fix station inactive_time shortly after boot
net/fq_impl: Switch to kvmalloc() for memory allocation
mac80211: fix ieee80211_txq_setup_flows() failure path
ipv4: Fix table id reference in fib_sync_down_addr
ipv6: fixes rt6_probe() and fib6_nh->last_probe init
net: hns: Fix the stray netpoll locks causing deadlock in NAPI path
net: usb: qmi_wwan: add support for DW5821e with eSIM support
CDC-NCM: handle incomplete transfer of MTU
nfc: netlink: fix double device reference drop
NFC: st21nfca: fix double free
...
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Add a test which spawns 16 threads and performs concurrent
send and recv calls on the same socket.
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Reviewed-by: Simon Horman <simon.horman@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Daniel Borkmann says:
====================
pull-request: bpf 2019-11-02
The following pull-request contains BPF updates for your *net* tree.
We've added 6 non-merge commits during the last 6 day(s) which contain
a total of 8 files changed, 35 insertions(+), 9 deletions(-).
The main changes are:
1) Fix ppc BPF JIT's tail call implementation by performing a second pass
to gather a stable JIT context before opcode emission, from Eric Dumazet.
2) Fix build of BPF samples sys_perf_event_open() usage to compiled out
unavailable test_attr__{enabled,open} checks. Also fix potential overflows
in bpf_map_{area_alloc,charge_init} on 32 bit archs, from Björn Töpel.
3) Fix narrow loads of bpf_sysctl context fields with offset > 0 on big endian
archs like s390x and also improve the test coverage, from Ilya Leoshkevich.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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"ctx:file_pos sysctl:read read ok narrow" works on s390 by accident: it
reads the wrong byte, which happens to have the expected value of 0.
Improve the test by seeking to the 4th byte and expecting 4 instead of
0.
This makes the latent problem apparent: the test attempts to read the
first byte of bpf_sysctl.file_pos, assuming this is the least-significant
byte, which is not the case on big-endian machines: a non-zero offset is
needed.
The point of the test is to verify narrow loads, so we cannot cheat our
way out by simply using BPF_W. The existence of the test means that such
loads have to be supported, most likely because llvm can generate them.
Fix the test by adding a big-endian variant, which uses an offset to
access the least-significant byte of bpf_sysctl.file_pos.
This reveals the final problem: verifier rejects accesses to bpf_sysctl
fields with offset > 0. Such accesses are already allowed for a wide
range of structs: __sk_buff, bpf_sock_addr and sk_msg_md to name a few.
Extend this support to bpf_sysctl by using bpf_ctx_range instead of
offsetof when matching field offsets.
Fixes: 7b146cebe30c ("bpf: Sysctl hook")
Fixes: e1550bfe0de4 ("bpf: Add file_pos field to bpf_sysctl ctx")
Fixes: 9a1027e52535 ("selftests/bpf: Test file_pos field in bpf_sysctl ctx")
Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: Andrey Ignatov <rdna@fb.com>
Acked-by: Andrii Nakryiko <andriin@fb.com>
Link: https://lore.kernel.org/bpf/20191028122902.9763-1-iii@linux.ibm.com
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The MAP_HUGETLB ("-H" option) of gup_benchmark fails:
$ sudo ./gup_benchmark -H
mmap: Invalid argument
This is because gup_benchmark.c is passing in a file descriptor to
mmap(), but the fd came from opening up the /dev/zero file. This
confuses the mmap syscall implementation, which thinks that, if the
caller did not specify MAP_ANONYMOUS, then the file must be a huge page
file. So it attempts to verify that the file really is a huge page
file, as you can see here:
ksys_mmap_pgoff()
{
if (!(flags & MAP_ANONYMOUS)) {
retval = -EINVAL;
if (unlikely(flags & MAP_HUGETLB && !is_file_hugepages(file)))
goto out_fput; /* THIS IS WHERE WE END UP */
else if (flags & MAP_HUGETLB) {
...proceed normally, /dev/zero is ok here...
...and of course is_file_hugepages() returns "false" for the /dev/zero
file.
The problem is that the user space program, gup_benchmark.c, really just
wants anonymous memory here. The simplest way to get that is to pass
MAP_ANONYMOUS whenever MAP_HUGETLB is specified, so that's what this
patch does.
Link: http://lkml.kernel.org/r/20191021212435.398153-2-jhubbard@nvidia.com
Signed-off-by: John Hubbard <jhubbard@nvidia.com>
Reviewed-by: Andrew Morton <akpm@linux-foundation.org>
Reviewed-by: Jérôme Glisse <jglisse@redhat.com>
Cc: Keith Busch <keith.busch@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Pull networking fixes from David Miller:
1) Fix free/alloc races in batmanadv, from Sven Eckelmann.
2) Several leaks and other fixes in kTLS support of mlx5 driver, from
Tariq Toukan.
3) BPF devmap_hash cost calculation can overflow on 32-bit, from Toke
Høiland-Jørgensen.
4) Add an r8152 device ID, from Kazutoshi Noguchi.
5) Missing include in ipv6's addrconf.c, from Ben Dooks.
6) Use siphash in flow dissector, from Eric Dumazet. Attackers can
easily infer the 32-bit secret otherwise etc.
7) Several netdevice nesting depth fixes from Taehee Yoo.
8) Fix several KCSAN reported errors, from Eric Dumazet. For example,
when doing lockless skb_queue_empty() checks, and accessing
sk_napi_id/sk_incoming_cpu lockless as well.
9) Fix jumbo packet handling in RXRPC, from David Howells.
10) Bump SOMAXCONN and tcp_max_syn_backlog values, from Eric Dumazet.
11) Fix DMA synchronization in gve driver, from Yangchun Fu.
12) Several bpf offload fixes, from Jakub Kicinski.
13) Fix sk_page_frag() recursion during memory reclaim, from Tejun Heo.
14) Fix ping latency during high traffic rates in hisilicon driver, from
Jiangfent Xiao.
* git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (146 commits)
net: fix installing orphaned programs
net: cls_bpf: fix NULL deref on offload filter removal
selftests: bpf: Skip write only files in debugfs
selftests: net: reuseport_dualstack: fix uninitalized parameter
r8169: fix wrong PHY ID issue with RTL8168dp
net: dsa: bcm_sf2: Fix IMP setup for port different than 8
net: phylink: Fix phylink_dbg() macro
gve: Fixes DMA synchronization.
inet: stop leaking jiffies on the wire
ixgbe: Remove duplicate clear_bit() call
Documentation: networking: device drivers: Remove stray asterisks
e1000: fix memory leaks
i40e: Fix receive buffer starvation for AF_XDP
igb: Fix constant media auto sense switching when no cable is connected
net: ethernet: arc: add the missed clk_disable_unprepare
igb: Enable media autosense for the i350.
igb/igc: Don't warn on fatal read failures when the device is removed
tcp: increase tcp_max_syn_backlog max value
net: increase SOMAXCONN to 4096
netdevsim: Fix use-after-free during device dismantle
...
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DebugFS for netdevsim now contains some "action trigger" files
which are write only. Don't try to capture the contents of those.
Note that we can't use os.access() because the script requires
root.
Fixes: 4418f862d675 ("netdevsim: implement support for devlink region and snapshots")
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This test reports EINVAL for getsockopt(SOL_SOCKET, SO_DOMAIN)
occasionally due to the uninitialized length parameter.
Initialize it to fix this, and also use int for "test_family" to comply
with the API standard.
Fixes: d6a61f80b871 ("soreuseport: test mixed v4/v6 sockets")
Reported-by: Maciej Żenczykowski <maze@google.com>
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: Wei Wang <weiwan@google.com>
Cc: Craig Gallek <cgallek@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Daniel Borkmann says:
====================
pull-request: bpf 2019-10-27
The following pull-request contains BPF updates for your *net* tree.
We've added 7 non-merge commits during the last 11 day(s) which contain
a total of 7 files changed, 66 insertions(+), 16 deletions(-).
The main changes are:
1) Fix two use-after-free bugs in relation to RCU in jited symbol exposure to
kallsyms, from Daniel Borkmann.
2) Fix NULL pointer dereference in AF_XDP rx-only sockets, from Magnus Karlsson.
3) Fix hang in netdev unregister for hash based devmap as well as another overflow
bug on 32 bit archs in memlock cost calculation, from Toke Høiland-Jørgensen.
4) Fix wrong memory access in LWT BPF programs on reroute due to invalid dst.
Also fix BPF selftests to use more compatible nc options, from Jiri Benc.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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