On Mon, 2011-10-24 at 21:58 +0200, Bart Van Assche wrote:
> On Mon, Oct 24, 2011 at 9:49 PM, Nicholas A. Bellinger
> <nab@xxxxxxxxxxxxxxx> wrote:
> > On Mon, 2011-10-24 at 21:44 +0200, Bart Van Assche wrote:
> >> On Mon, Oct 24, 2011 at 7:33 AM, Nicholas A. Bellinger
> >> <nab@xxxxxxxxxxxxxxx> wrote:
> >> > +static ssize_t srpt_tpg_attrib_store_srp_max_rsp_size(
> >> > + struct se_portal_group *se_tpg,
> >> > + const char *page,
> >> > + size_t count)
> >> > +{
> >> > + struct srpt_port *sport = container_of(se_tpg, struct srpt_port, port_tpg_1);
> >> > + unsigned long val;
> >> > + int ret;
> >> > +
> >> > + ret = strict_strtoul(page, 0, &val);
> >>
> >> If the data "page" points at only consists of digits, the above
> >> strict_strtoul() call will trigger a past-end-of-buffer read.
> >
> > I don't understand what you mean here. Can you provide a test case to
> > demonstrate please..?
>
> echo -n "345" >$configfs_path_of_parameter.
>
Still not sure what your getting at here..?
root@tifa:/sys/kernel/config/target/srpt/0x00000000000000000002c903000e8acd/tpgt_1/attrib# ls -la
total 0
drwxr-xr-x 2 root root 0 Oct 24 13:01 .
drwxr-xr-x 7 root root 0 Oct 24 12:58 ..
-rw-r--r-- 1 root root 4096 Oct 24 12:58 srp_max_rdma_size
-rw-r--r-- 1 root root 4096 Oct 24 13:01 srp_max_rsp_size
-rw-r--r-- 1 root root 4096 Oct 24 12:58 srp_sq_size
root@tifa:/sys/kernel/config/target/srpt/0x00000000000000000002c903000e8acd/tpgt_1/attrib# cat srp_max_rsp_size
256
root@tifa:/sys/kernel/config/target/srpt/0x00000000000000000002c903000e8acd/tpgt_1/attrib# echo -n "240" > srp_max_rsp_size
root@tifa:/sys/kernel/config/target/srpt/0x00000000000000000002c903000e8acd/tpgt_1/attrib# cat srp_max_rsp_size
240
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