Re: arm64 test_user_copy crash on copy_from_user(uptr, kptr, size)

From	Arnd Bergmann <arnd@arndb.de>
Newsgroups	linux.kernel
Subject	Re: arm64 test_user_copy crash on copy_from_user(uptr, kptr, size)
Date	2017-05-27 03:30 +0200
Message-ID	<tLyIn-4Vw-157@gated-at.bofh.it> (permalink)
References	<tLplE-7AP-9@gated-at.bofh.it> <tLyIn-4Vw-159@gated-at.bofh.it>
Organization	linux.* mail to news gateway

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On Fri, May 26, 2017 at 5:40 PM, Mark Rutland <mark.rutland@arm.com> wrote:
> On Fri, May 26, 2017 at 05:24:47PM +0200, Arnd Bergmann wrote:

> AFAICT, that test was disabled in commit:
>
>   f5f893c57e37ca73 ("usercopy: Adjust tests to deal with SMAP/PAN")
>
> ... or have I misunderstood?

I think you are right, my mistake for not checking the latest kernels
and only relying on the bug report that said it also happens on "mainline".

     Arnd

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arm64 test_user_copy crash on copy_from_user(uptr, kptr, size) Arnd Bergmann <arnd@arndb.de> - 2017-05-26 17:30 +0200
  Re: arm64 test_user_copy crash on copy_from_user(uptr, kptr, size) Kees Cook <keescook@chromium.org> - 2017-05-26 17:50 +0200
    Re: arm64 test_user_copy crash on copy_from_user(uptr, kptr, size) Arnd Bergmann <arnd@arndb.de> - 2017-05-27 03:30 +0200
  Re: arm64 test_user_copy crash on copy_from_user(uptr, kptr, size) Arnd Bergmann <arnd@arndb.de> - 2017-05-27 03:30 +0200

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