linux-kernel - Re: [ardb:arm-vmap-stacks 5/20] arch/arm/mm/context.c:112:28: error: no member named 'task' in 'struct thread

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:   Thu, 21 Oct 2021 08:55:09 +0200
From:   Arnd Bergmann <arnd@...nel.org>
To:     kernel test robot <lkp@...el.com>
Cc:     Ard Biesheuvel <ardb@...nel.org>, llvm@...ts.linux.dev,
        kbuild-all@...ts.01.org,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Keith Packard <keithpac@...zon.com>,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>
Subject: Re: [ardb:arm-vmap-stacks 5/20] arch/arm/mm/context.c:112:28: error:
 no member named 'task' in 'struct thread_info'

On Tue, Oct 5, 2021 at 4:03 AM kernel test robot <lkp@...el.com> wrote:
>

> All errors (new ones prefixed by >>):
>
> >> arch/arm/mm/context.c:112:28: error: no member named 'task' in 'struct thread_info'
>            pid = task_pid_nr(thread->task) << ASID_BITS;
>                              ~~~~~~  ^
>    1 error generated.

I ran into this as well on my randconfig builds, though it happens very rarely.

Apparently CONFIG_THREAD_INFO_IN_TASK is incompatible with
CONFIG_PID_IN_CONTEXTIDR, but should be easy to fix by changing that
one line to do the right thing.

       Arnd