On Fri, Jun 03, 2016 at 05:17:06PM -0400, Oleg Drokin wrote: > > Can the same thing be reproduced (with NFS fix) on v4.6, ede4090, 7f427d3, > > 4e8440b? > > Well, that was faster than I expected. 4e8440b triggers right away, so I guess > there's no point in trying the later ones? > BTW, just to confirm you are noticing - this is a DEBUG_PAGEALLOC build, > so all freed memory is unmapped which is likely causing this oops - as a sign > of use after free. > [ 54.990119] BUG: unable to handle kernel paging request at ffff8800d2b7f000 Again a page-aligned nd->last.name and even smaller nd->last.len. It smells like a page that used to contain a symlink body, but got freed under us. -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html