Re: general protection fault in qdisc_reset

[김민성]

Thanks for the tip!

2024년 8월 19일 (월) 오후 4:13, Eric Dumazet <edumazet@xxxxxxxxxx>님이 작성:
>
> On Mon, Aug 19, 2024 at 9:11 AM 김민성 <ii4gsp@xxxxxxxxx> wrote:
> >
> > Hi,
> >
> > I have been fuzzing Linux 6.10.0-rc3 with Syzkaller and found.
> >
> > kernel config: https://github.com/ii4gsp/etc/blob/main/200767fee68b8d90c9cf284390e34fa9b17542c9/config_v6.10.0_rc3
> > C repro: https://github.com/ii4gsp/etc/blob/main/200767fee68b8d90c9cf284390e34fa9b17542c9/repro.cprog
> > repro syscall steps:
> > https://github.com/ii4gsp/etc/blob/main/200767fee68b8d90c9cf284390e34fa9b17542c9/repro.prog
>
> Please do not fuzz old rc kernels, this will avoid finding issues that
> were already fixed.
>
> For instance, this problem has been fixed two months ago
>
> commit bab4923132feb3e439ae45962979c5d9d5c7c1f1
> Author: Yunseong Kim <yskelg@xxxxxxxxx>
> Date:   Tue Jun 25 02:33:23 2024 +0900
>
>     tracing/net_sched: NULL pointer dereference in perf_trace_qdisc_reset()