Re: 2.6.24.2: 4KSTACKS + pcdrw + dm + mount -> stack overflow: ide-cdrelated? dm-related?

From: Jiri Kosina
Date: Tue Feb 26 2008 - 06:37:29 EST


On Tue, 26 Feb 2008, Ingo Molnar wrote:

> > + name = kmalloc(sizeof(char) * UDF_NAME_LEN, GFP_KERNEL);
> > + fname = kmalloc(sizeof(char) * UDF_NAME_LEN, GFP_KERNEL);
> > +
> > + if (!name || !fname) {
> > + *err = -ENOMEM;
> > + return NULL;
> > + }
> > +
> > if (dentry) {
> > if (!dentry->d_name.len) {
> > *err = -EINVAL;
> this bit is missing i think:
> if (name)
> kfree(name);
> if (fname)
> kfree(fname);

Ergh, of course, stupid me, sorry, it should be freed on all exit paths. I
am not sending updated patch, as Jan is probably working on complete
removal of one of those fields ... ?

Thanks,

--
Jiri Kosina
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