On Tue, Sep 20, 2016 at 01:11:41PM -0400, Jan Stancek wrote:
> I ran all syscalls tests from LTP, and I see a change in behaviour
> of couple other tests (writev01, writev03 and writev04 [1]) in 4.8.0-rc7.
>
> These call writev() with partially invalid iovecs, and now fail with
> EFAULT, while wi
- Original Message -
> From: "Al Viro"
> To: "Jan Stancek"
> Cc: linux-kernel@vger.kernel.org
> Sent: Tuesday, 20 September, 2016 5:06:57 PM
> Subject: Re: [bug] pwritev02 hang on s390x with 4.8.0-rc7
>
> On Tue, Sep 20, 2016 at 02
On Tue, Sep 20, 2016 at 02:56:06PM +0200, Jan Stancek wrote:
> Hi,
>
> I'm hitting a regression with LTP's pwritev02 [1] on s390x with 4.8.0-rc7.
> Specifically the EFAULT case, which is passing an iovec with invalid base
> address:
> #define CHUNK 64
> static struct iovec wr_iovec3[] = {
>
Hi,
I'm hitting a regression with LTP's pwritev02 [1] on s390x with 4.8.0-rc7.
Specifically the EFAULT case, which is passing an iovec with invalid base
address:
#define CHUNK 64
static struct iovec wr_iovec3[] = {
{(char *)-1, CHUNK},
};
hangs with 100% cpu usage and not very helpf
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