linux-kernel - Re: [PATCH 1/4] MIPS: Handle non word sized instructions when examining frame

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: Windows password security audit tool. GUI, reports in PDF.

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

Date:   Wed, 1 Mar 2017 13:47:53 +0000
From:   Matt Redfearn <matt.redfearn@...tec.com>
To:     "Maciej W. Rozycki" <macro@...tec.com>
CC:     Ralf Baechle <ralf@...ux-mips.org>, <linux-mips@...ux-mips.org>,
        Marcin Nowakowski <marcin.nowakowski@...tec.com>,
        <linux-kernel@...r.kernel.org>,
        Paul Burton <paul.burton@...tec.com>
Subject: Re: [PATCH 1/4] MIPS: Handle non word sized instructions when
 examining frame

Hi Maciej


On 28/02/17 20:54, Maciej W. Rozycki wrote:
> On Tue, 28 Feb 2017, Matt Redfearn wrote:
>
>> Since the instruction modifying the stack pointer is usually the first
>> in the function, that one is ususally handled correctly. But the
>   s/ususally/usually/

oops

>
>> diff --git a/arch/mips/kernel/process.c b/arch/mips/kernel/process.c
>> index 803e255b6fc3..5b1e932ae973 100644
>> --- a/arch/mips/kernel/process.c
>> +++ b/arch/mips/kernel/process.c
>> @@ -347,6 +347,7 @@ static int get_frame_info(struct mips_frame_info *info)
>>   	union mips_instruction insn, *ip, *ip_end;
>>   	const unsigned int max_insns = 128;
>>   	unsigned int i;
>> +	unsigned int last_insn_size = 0;
>   Please keep declarations in the reverse Christmas tree order, i.e. swap
> the last two.
>
>    Maciej

OK, no problem.
Thanks,
Matt