Re: BUG: KASAN: slab-use-after-free in reweight_entity+0x8d4

Ingo Molnar
2023-10-21T15:02:24Z

* Mikhail Gavrilov <mikhail.v.gavrilov@gmail.com> wrote:

> Hi,
> I caught one slab-use-after-free durung release cycle 6.6 rc6 and it
> looks like it will not easily reproduce again.
> I tried rebooting and repeating all my actions but slab-use-after-free
> did not happen again.
>
> What we know:
>
> 1) backtrace:
>
> [ 336.215839] BUG: KASAN: slab-use-after-free in reweight_entity+0x8d4/0xa50
> [ 336.215846] Read of size 8 at addr ffff88812d1a80b0 by task
> fossilize_repla/10552

I think it might be the bug fixed via:

d2929762cc3f ("sched/eevdf: Fix heap corruption more")

Thanks,

Ingo