Messages in this thread | | | Date | Mon, 21 Apr 2008 10:45:15 +0100 | From | Al Viro <> | Subject | Re: fault in __d_lookup [Was: 2.6.25-mm1] |
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On Mon, Apr 21, 2008 at 11:37:40AM +0200, Jiri Slaby wrote: > 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)?
Well, if list has such turd in it, you'll certainly hit it every time you walk that list, so 100% reproducible is not surprising.
How well is it reproducible from fresh boot?
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