Re: [LTP] [PATCH v2] io_submit: uninitialized iocb may not return -EINVAL

[Wanlong Gao <gaowanlong@cn.fujitsu.com>]

On 03/15/2012 05:15 PM, Jan Stancek wrote:

> 
> Testcase 1.3 - EINVAL: uninitialized iocb
> is about submitting uninitialized iocb structure.
> 
> Test is expecting to get -EINVAL, but other values are also
> possible as uninitialized struct can contain any values.
> 
> For example following data fails with -EBADF:
> --- snip ---
> unsigned char bad_iocb[64] = {
>     0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
>     0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
>     0x00, 0x00, 0x00, 0x00, 0x00, 0x05, 0x84, 0xa5,
>     0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
>     0x00, 0x00, 0x0f, 0xff, 0xe0, 0x10, 0x0c, 0x30,
>     0x00, 0x00, 0x0f, 0xff, 0xe0, 0x10, 0x0c, 0x40,
>     0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
>     0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
> memcpy(&iocb, bad_iocb, sizeof(iocb));
> iocbs[0] = &iocb;
> TEST(io_submit(ctx, 1, iocbs));
> check_result(-EINVAL, TEST_RETURN);
> --- snip ---
> 
> This patch accepts also few other errno codes as valid return value.
> 
> Signed-off-by: Jan Stancek <jstancek@redhat.com>


Thanks Jan, I will take this.

Acked-by: Wanlong Gao <gaowanlong@cn.fujitsu.com>

> ---
>  testcases/kernel/syscalls/io_submit/io_submit01.c |   15 ++++++++++++++-
>  1 files changed, 14 insertions(+), 1 deletions(-)
> 
> 
> 
> 
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