On 8/20/21 8:06 PM, Jens Axboe wrote:
> On 8/20/21 4:58 PM, Bart Van Assche wrote:
>> Hi,
>>
>> It's been a while since I ran blktests. If I run it against Jens' for-next
>> branch (39916d4054e7 ("Merge branch 'for-5.15/io_uring' into for-next")) a
>> slab-out-of-bounds access complaint appears. Is anyone already looking into
>> this?
>
> Does this help?
>
> diff --git a/block/bio.c b/block/bio.c
> index ae9085b97deb..94a0c01465a8 100644
> --- a/block/bio.c
> +++ b/block/bio.c
> @@ -282,8 +282,9 @@ void bio_init(struct bio *bio, struct bio_vec *table,
> atomic_set(&bio->__bi_remaining, 1);
> atomic_set(&bio->__bi_cnt, 1);
>
> - bio->bi_io_vec = table;
> bio->bi_max_vecs = max_vecs;
> + bio->bi_io_vec = table;
> + bio->bi_pool = NULL;
> }
> EXPORT_SYMBOL(bio_init);
Hi Jens,
That patch makes the KASAN complaint disappear. Thanks!
Bart.
