On Fri, Jan 1, 2021 at 10:00 AM Mikulas Patocka wrote:
>
>
>
> On Wed, 30 Dec 2020, Ignat Korchagin wrote:
>
> > diff --git a/drivers/md/dm-crypt.c b/drivers/md/dm-crypt.c
> > index 53791138d78b..e4fd690c70e1 100644
> > --- a/drivers/md/dm-crypt.c
> > +++ b/drivers/md/dm-crypt.c
> > @@ -1539,7
On Wed, 30 Dec 2020, Ignat Korchagin wrote:
> diff --git a/drivers/md/dm-crypt.c b/drivers/md/dm-crypt.c
> index 53791138d78b..e4fd690c70e1 100644
> --- a/drivers/md/dm-crypt.c
> +++ b/drivers/md/dm-crypt.c
> @@ -1539,7 +1549,10 @@ static blk_status_t crypt_convert(struct crypt_config
> *cc,
Commit 39d42fa96ba1b7d2544db3f8ed5da8fb0d5cb877 made it possible for some code
paths in dm-crypt to be executed in softirq context, when the underlying driver
processes IO requests in interrupt/softirq context.
In this case sometimes when allocating a new crypto request we may get a
stacktrace
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