On Mon, Jan 23, 2017 at 06:04:42PM +0100, Peter Zijlstra wrote: > On Mon, Jan 23, 2017 at 02:30:12PM +0100, Dmitry Vyukov wrote: > > Hello, > > > > The following program triggers use-after-free in perf_event_for_each: > > https://gist.githubusercontent.com/dvyukov/f1c354a8356e42f4d0b3d912e1bec956/raw/31d7ecdf6dc2c7327b80ef8581a39c823bbe405d/gistfile1.txt
I've been running 60 concurrent instances of that thing for hours now, and have not been able to reproduce :-/ I did enable CONFIG_KASAN but otherwise booted as normal, and the thing says: [ 0.000000] kasan: KernelAddressSanitizer initialized Is there anything else I should do? I've ran out of ideas and it would be very helpful if I could prod at something that fails...