linux-kernel - [LKP] [arm64] 7b5b51e7b3: kvm-unit-tests.rmap

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Date:   Fri, 14 Sep 2018 09:25:39 +0800
From:   kernel test robot <rong.a.chen@...el.com>
To:     Andrey Konovalov <andreyknvl@...gle.com>
Cc:     Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will.deacon@....com>,
        Mark Rutland <mark.rutland@....com>,
        Robin Murphy <robin.murphy@....com>,
        Al Viro <viro@...iv.linux.org.uk>,
        Andrey Konovalov <andreyknvl@...gle.com>,
        Kees Cook <keescook@...omium.org>,
        Kate Stewart <kstewart@...uxfoundation.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Ingo Molnar <mingo@...nel.org>,
        "Kirill A . Shutemov" <kirill.shutemov@...ux.intel.com>,
        Shuah Khan <shuah@...nel.org>,
        linux-arm-kernel@...ts.infradead.org, linux-doc@...r.kernel.org,
        linux-mm@...ck.org, linux-arch@...r.kernel.org,
        linux-kselftest@...r.kernel.org, linux-kernel@...r.kernel.org,
        Dmitry Vyukov <dvyukov@...gle.com>,
        Kostya Serebryany <kcc@...gle.com>,
        Evgeniy Stepanov <eugenis@...gle.com>,
        Lee Smith <Lee.Smith@....com>,
        Ramana Radhakrishnan <Ramana.Radhakrishnan@....com>,
        Jacob Bramley <Jacob.Bramley@....com>,
        Ruben Ayrapetyan <Ruben.Ayrapetyan@....com>,
        Chintan Pandya <cpandya@...eaurora.org>, lkp@...org
Subject: [LKP] [arm64]  7b5b51e7b3: kvm-unit-tests.rmap_chain.fail

FYI, we noticed the following commit (built with gcc-7):

commit: 7b5b51e7b3a988741f7f34d5148f1f4fea86434a ("[PATCH v6 11/11] arm64: annotate user pointers casts detected by sparse")
url: https://github.com/0day-ci/linux/commits/Andrey-Konovalov/arm64-untag-user-pointers-passed-to-the-kernel/20180831-042151


in testcase: kvm-unit-tests
with following parameters:




on test machine: qemu-system-x86_64 -enable-kvm -cpu IvyBridge -smp 4 -m 2G

caused below changes (please refer to attached dmesg/kmsg for entire log/backtrace):




ignored_by_lkp: pku
ignored_by_lkp: taskswitch
ignored_by_lkp: vmware_backdoors
2018-09-13 17:39:56 ./run_tests.sh
.[31mFAIL.[0m apic-split (timeout; duration=90s)
.[33mSKIP.[0m ioapic-split (qemu: could not load kernel '_NO_FILE_4Uhere_': No such file or directory)
.[31mFAIL.[0m apic (timeout; duration=30)
.[32mPASS.[0m ioapic (19 tests)
.[32mPASS.[0m smptest (1 tests)
.[33mSKIP.[0m smptest3 (Try '�=p� --help' for more information.)
.[33mSKIP.[0m vmexit_cpuid (You can set a custom location by using the QEMU=<path> environment variable.)
.[31mFAIL.[0m vmexit_vmcall 
.[31mFAIL.[0m vmexit_mov_from_cr8 
.[31mFAIL.[0m vmexit_mov_to_cr8 
.[32mPASS.[0m vmexit_inl_pmtimer 
.[33mSKIP.[0m vmexit_ipi (: '': No such file or directory)
.[33mSKIP.[0m vmexit_ipi_halt (: '': No such file or directory)
.[33mSKIP.[0m vmexit_ple_round_robin (You can set a custom location by using the QEMU=<path> environment variable.)
.[31mFAIL.[0m vmexit_tscdeadline (terminated on SIGPIPE)
.[33mSKIP.[0m vmexit_tscdeadline_immed (No Qemu test device support found)
.[33mSKIP.[0m access (qemu-system-x86_64: CPU model 'host' requires KVM)
.[33mSKIP.[0m smap (You can set a custom location by using the QEMU=<path> environment variable.)
.[31mFAIL.[0m emulator 
.[33mSKIP.[0m eventinj (You can set a custom location by using the QEMU=<path> environment variable.)
.[31mFAIL.[0m hypercall (timeout; duration=90s)
.[32mPASS.[0m idt_test 
.[33mSKIP.[0m memory (�: : No such file or directory)
.[31mFAIL.[0m msr 
.[33mSKIP.[0m pmu (qemu-system-x86_64: CPU model 'host' requires KVM)
.[32mPASS.[0m port80 
.[31mFAIL.[0m realmode 
.[33mSKIP.[0m s3 (Try '� --help' for more information.)
.[31mFAIL.[0m sieve 
.[31mFAIL.[0m syscall wrong CS (0x08)!)
FAIL: syscall TF handling)
(2 tests, 1 unexpected failures)
.[33mSKIP.[0m tsc (You can set a custom location by using the QEMU=<path> environment variable.)
.[33mSKIP.[0m tsc_adjust (qemu-system-x86_64: CPU model 'host' requires KVM)
.[33mSKIP.[0m xsave (qemu-system-x86_64: CPU model 'host' requires KVM)
.[31mFAIL.[0m rmap_chain 
.[31mFAIL.[0m svm (10 tests, 4 unexpected failures)



To reproduce:

        git clone https://github.com/intel/lkp-tests.git
        cd lkp-tests
        bin/lkp qemu -k <bzImage> job-script # job-script is attached in this email



Thanks,
Rong, Chen

View attachment "config-4.19.0-rc1-00144-g7b5b51e" of type "text/plain" (167673 bytes)

View attachment "job-script" of type "text/plain" (4467 bytes)

Download attachment "dmesg.xz" of type "application/x-xz" (14216 bytes)

View attachment "kvm-unit-tests" of type "text/plain" (2110 bytes)