linux-kernel - Re: [PATCH] ASoC: dapm: delete dapm_kcontrol

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Message-ID: <e37bf559-b040-db34-6273-d4f8ea1e2284@linaro.org>
Date:   Mon, 4 Jun 2018 11:55:10 +0100
From:   Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
To:     Mark Brown <broonie@...nel.org>
Cc:     alsa-devel@...a-project.org, linux-arm-msm@...r.kernel.org,
        lgirdwood@...il.com, bgoswami@...eaurora.org, tiwai@...e.com,
        perex@...ex.cz, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, rohkumar@....qualcomm.com
Subject: Re: [PATCH] ASoC: dapm: delete dapm_kcontrol_data paths entry before
 freeing



On 04/06/18 11:45, Mark Brown wrote:
> On Fri, Jun 01, 2018 at 11:53:34PM +0100, Srinivas Kandagatla wrote:
> 
>> Below is the kernel BUG with SLAB Poisoning
> 
>> =============================================================================
>> BUG kmalloc-128 (Tainted: G        W        ): Poison overwritten
>> -----------------------------------------------------------------------------
>>
>> Disabling lock debugging due to kernel taint
>> INFO: 0xffff80003cf1c310-0xffff80003cf1c31f. First byte 0x10 instead of 0x6b
>> INFO: Allocated in dapm_kcontrol_data_alloc.isra.37+0x34/0x2a8 age=6929 cpu=0 pid=50
>>   __slab_alloc.isra.24+0x24/0x38
>>   kmem_cache_alloc+0x190/0x1d8
> 
> Please think hard before including complete backtraces in upstream
> reports, they are very large and contain almost no useful information
> relative to their size so often obscure the relevant content in your
> message. If part of the backtrace is usefully illustrative then it's
> usually better to pull out the relevant sections.
I agree, Do you want me to resend the patch removing irrelevant sections 
in log?

thanks,
srini
>