linux-kernel - Re: gcc-8 objtool warnings

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Date:   Wed, 23 Aug 2017 15:38:02 +0200
From:   Arnd Bergmann <arnd@...db.de>
To:     Josh Poimboeuf <jpoimboe@...hat.com>
Cc:     Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: gcc-8 objtool warnings

On Wed, Aug 23, 2017 at 2:48 PM, Josh Poimboeuf <jpoimboe@...hat.com> wrote:
> On Wed, Aug 23, 2017 at 02:22:34PM +0200, Arnd Bergmann wrote:
>> ...
>>
>> 0000000000000000 <put_cred_rcu.cold.1>:
>>    0:   e8 00 00 00 00          callq  5 <put_cred_rcu.cold.1+0x5>
>>                         1: R_X86_64_PC32        __sanitizer_cov_trace_pc-0x4
>>    5:   44 8b 8b 64 ff ff ff    mov    -0x9c(%rbx),%r9d
>>    c:   48 8b 8b 68 ff ff ff    mov    -0x98(%rbx),%rcx
>>   13:   44 89 e2                mov    %r12d,%edx
>>   16:   44 8b 83 60 ff ff ff    mov    -0xa0(%rbx),%r8d
>>   1d:   4c 89 ee                mov    %r13,%rsi
>>   20:   48 c7 c7 00 00 00 00    mov    $0x0,%rdi
>>                         23: R_X86_64_32S        .rodata.str1.8+0x28
>>   27:   e8 00 00 00 00          callq  2c <__kstrtab_creds_are_invalid+0x3>
>>                         28: R_X86_64_PC32       panic-0x4
>
> Thanks.  Can you send me one of the .o files?

Attached here now.

      Arnd

Download attachment "cred.o" of type "application/x-object" (27472 bytes)