On Fri, Mar 08, 2013 at 03:20:40PM -0800, Linus Torvalds wrote: > On Fri, Mar 8, 2013 at 3:07 PM, Dave Jones <da...@redhat.com> wrote: > > > > Ok, got something more meaningful out of the lookup_slow trace. > > > > [ 66.082984] parent->dname.name (06b6b6b6b6b6b6b) > > [ 66.083637] parent = > > > > At first I thought AH-HA! SLAB POISON! > > But look closer.. it's shifted by 8 bits. > > Or just the high byte has been cleared.
Duh, yes. I wasn't zero padding, so that's 006b6b6b. Here's another run, with something similar in path->dentry.. [ 100.729395] parent->dname.name (06 b6 b6b 6b6b6b6b 6b6b6b6b 6b6b6b6b) [ 100.729397] path->dentry: 6d6e740 6b6b6b6b [ 100.729401] nd->last.name = (\xffffffd2.W._.N.".\xfffffffe.\xffffff80.^N.?.\xffffffe4.E.8.g.\xffffffd2.N.\xffffffb6.^G.\xfffffff1.\xffffffcc.U.\xffffffda.^_.h.^M.1.\xffffffc5.\xffffff82.%.B.\xffffffe0.\xffffffad.^U.8.^L.c.Z.^K.\xffffffe4.h.J.\xffffffc8.\xffffffad.\xffffff83./.\xffffff80.\xffffffd1.\xffffffe5.\xffffff87.\xffffffc3.\xffffffb2.\xffffffdc.\xffffff9d.\xffffffd1.E.\xffffffab.^B. (garbage continues..) -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
