On May 29, 2017, at 10:28 AM, Greg Kroah-Hartman wrote:
> On Fri, May 26, 2017 at 11:40:33PM -0400, Oleg Drokin wrote:
>> lov_getstripe() calls set_fs(KERNEL_DS) so that it can handle a struct
>> lov_user_md pointer from user- or kernel-space. This changes the
>> behavior of copy_from_user() on
On May 29, 2017, at 10:28 AM, Greg Kroah-Hartman wrote:
> On Fri, May 26, 2017 at 11:40:33PM -0400, Oleg Drokin wrote:
>> lov_getstripe() calls set_fs(KERNEL_DS) so that it can handle a struct
>> lov_user_md pointer from user- or kernel-space. This changes the
>> behavior of copy_from_user() on
On Fri, May 26, 2017 at 11:40:33PM -0400, Oleg Drokin wrote:
> lov_getstripe() calls set_fs(KERNEL_DS) so that it can handle a struct
> lov_user_md pointer from user- or kernel-space. This changes the
> behavior of copy_from_user() on SPARC and may result in a misaligned
> access exception which
On Fri, May 26, 2017 at 11:40:33PM -0400, Oleg Drokin wrote:
> lov_getstripe() calls set_fs(KERNEL_DS) so that it can handle a struct
> lov_user_md pointer from user- or kernel-space. This changes the
> behavior of copy_from_user() on SPARC and may result in a misaligned
> access exception which
lov_getstripe() calls set_fs(KERNEL_DS) so that it can handle a struct
lov_user_md pointer from user- or kernel-space. This changes the
behavior of copy_from_user() on SPARC and may result in a misaligned
access exception which in turn oopses the kernel. In fact the
relevant argument to
lov_getstripe() calls set_fs(KERNEL_DS) so that it can handle a struct
lov_user_md pointer from user- or kernel-space. This changes the
behavior of copy_from_user() on SPARC and may result in a misaligned
access exception which in turn oopses the kernel. In fact the
relevant argument to
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