Re: [PATCH] fs: System memory leak when running HTX with T10 DIF enabled

From: Jens Axboe
Date: Wed Jun 28 2017 - 13:51:46 EST


On 06/28/2017 11:10 AM, Keith Busch wrote:
> On Wed, Jun 28, 2017 at 11:32:51AM -0500, wenxiong@xxxxxxxxxxxxxxxxxx wrote:
>> diff --git a/fs/block_dev.c b/fs/block_dev.c
>> index 519599d..e871444 100644
>> --- a/fs/block_dev.c
>> +++ b/fs/block_dev.c
>> @@ -264,6 +264,10 @@ static void blkdev_bio_end_io_simple(struct bio *bio)
>>
>> if (unlikely(bio.bi_error))
>> return bio.bi_error;
>> +
>> + if (bio_integrity(&bio))
>> + bio_integrity_free(&bio);
>> +
>> return ret;
>> }
>
> We don't want to leak the integrity payload in case of bi_error either.

Yep, see my follow up email on this.

--
Jens Axboe