fault in __d_lookup [Was: 2.6.25-mm1]

[Jiri Slaby]

On 04/21/2008 11:06 AM, Al Viro wrote:
> On Mon, Apr 21, 2008 at 10:31:40AM +0200, Jiri Slaby wrote:
>
>         hlist_for_each_entry_rcu(dentry, node, head, d_hash) {
>                 struct qstr *qstr;
>
>                 if (dentry->d_name.hash != hash)
>                         continue;
>
> walking into node == (struct hlist_node *)0x00f0000000000000...

Yup, true, In the last oops I stuck on memcmp few lines below.

BTW. it's 100% reproducible after it happens once, but fixable by reboot. Any 
tests I should run (memtest, some printks sticked anywhere)?
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