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    SubjectRe: [PATCH] kasan: Respect /proc/sys/kernel/traceoff_on_warning
    Hi Peter,

    [auto build test ERROR on mmotm/master]
    [also build test ERROR on v4.10-rc5 next-20170125]
    [if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

    url: https://github.com/0day-ci/linux/commits/Peter-Zijlstra/kasan-Respect-proc-sys-kernel-traceoff_on_warning/20170125-230535
    base: git://git.cmpxchg.org/linux-mmotm.git master
    config: x86_64-randconfig-x008-201704 (attached as .config)
    compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901
    reproduce:
    # save the attached .config to linux build tree
    make ARCH=x86_64

    All errors (new ones prefixed by >>):

    mm/kasan/report.c: In function 'kasan_report':
    >> mm/kasan/report.c:303:2: error: implicit declaration of function 'disable_trace_on_warning' [-Werror=implicit-function-declaration]
    disable_trace_on_warning();
    ^~~~~~~~~~~~~~~~~~~~~~~~
    cc1: some warnings being treated as errors

    vim +/disable_trace_on_warning +303 mm/kasan/report.c

    297 {
    298 struct kasan_access_info info;
    299
    300 if (likely(!kasan_report_enabled()))
    301 return;
    302
    > 303 disable_trace_on_warning();
    304
    305 info.access_addr = (void *)addr;
    306 info.access_size = size;

    ---
    0-DAY kernel test infrastructure Open Source Technology Center
    https://lists.01.org/pipermail/kbuild-all Intel Corporation
    [unhandled content-type:application/gzip]
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