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Re: [PATCH v1 2/8] s390/sclp: check sccb len before filling in data
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From: |
David Hildenbrand |
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Subject: |
Re: [PATCH v1 2/8] s390/sclp: check sccb len before filling in data |
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Date: |
Mon, 11 May 2020 16:44:16 +0200 |
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User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.7.0 |
On 11.05.20 16:36, Janosch Frank wrote:
> On 5/9/20 1:08 AM, Collin Walling wrote:
>> The SCCB must be checked for a sufficient length before it is filled
>> with any data. If the length is insufficient, then the SCLP command
>> is suppressed and the proper response code is set in the SCCB header.
>>
>> Signed-off-by: Collin Walling <address@hidden>
>
> Fixes tag?
> Reviewed-by: Janosch Frank <address@hidden>
This is not a fix AFAIKs.
sclp_service_call()/sclp_service_call_protected() always supplies a full
SCCB of exactly 4k size.
--
Thanks,
David / dhildenb
- Re: [PATCH v1 3/8] s390/sclp: rework sclp boundary and length checks, (continued)
- [PATCH v1 1/8] s390/sclp: remove SCLPDevice param from prepare_cpu_entries, Collin Walling, 2020/05/08
- [PATCH v1 8/8] s390: diagnose 318 info reset and migration support, Collin Walling, 2020/05/08
- [PATCH v1 4/8] s390/sclp: read sccb from mem based on sccb length, Collin Walling, 2020/05/08
- [PATCH v1 2/8] s390/sclp: check sccb len before filling in data, Collin Walling, 2020/05/08
- Re: [PATCH v1 2/8] s390/sclp: check sccb len before filling in data, Janosch Frank, 2020/05/11
- Re: [PATCH v1 2/8] s390/sclp: check sccb len before filling in data,
David Hildenbrand <=
- Re: [PATCH v1 2/8] s390/sclp: check sccb len before filling in data, Collin Walling, 2020/05/11
- Re: [PATCH v1 2/8] s390/sclp: check sccb len before filling in data, Janosch Frank, 2020/05/11
- Re: [PATCH v1 2/8] s390/sclp: check sccb len before filling in data, David Hildenbrand, 2020/05/11
- Re: [PATCH v1 2/8] s390/sclp: check sccb len before filling in data, Cornelia Huck, 2020/05/12
- Re: [PATCH v1 2/8] s390/sclp: check sccb len before filling in data, Collin Walling, 2020/05/12
- Re: [PATCH v1 2/8] s390/sclp: check sccb len before filling in data, Cornelia Huck, 2020/05/12
- Re: [PATCH v1 2/8] s390/sclp: check sccb len before filling in data, Collin Walling, 2020/05/12
- Re: [PATCH v1 2/8] s390/sclp: check sccb len before filling in data, Janosch Frank, 2020/05/13
- Re: [PATCH v1 2/8] s390/sclp: check sccb len before filling in data, Cornelia Huck, 2020/05/13
- Re: [PATCH v1 2/8] s390/sclp: check sccb len before filling in data, Collin Walling, 2020/05/14