linux-kernel - Re: [Syzkaller & bisect] There is KASAN: slab-use-after-free Read in arena_vm

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Message-ID: <CAADnVQLf1P=qfA7CBxwB_0ecm9edBg=QrN1PS2QnfP7xJhDWNQ@mail.gmail.com>
Date: Sat, 15 Jun 2024 11:21:05 -0700
From: Alexei Starovoitov <alexei.starovoitov@...il.com>
To: Pengfei Xu <pengfei.xu@...el.com>
Cc: Alexei Starovoitov <ast@...nel.org>, LKML <linux-kernel@...r.kernel.org>, 
	bpf <bpf@...r.kernel.org>, Andrii Nakryiko <andrii@...nel.org>, Barret Rhoden <brho@...gle.com>, 
	kbuild test robot <lkp@...el.com>, syzkaller-bugs <syzkaller-bugs@...glegroups.com>
Subject: Re: [Syzkaller & bisect] There is KASAN: slab-use-after-free Read in
 arena_vm_close in v6.10-rc3 kernel

On Thu, Jun 13, 2024 at 7:54 PM Pengfei Xu <pengfei.xu@...el.com> wrote:
>
> Hi Alexei Starovoitov and bpf expert,
>
> Greeting!
>
> There is KASAN: slab-use-after-free Read in arena_vm_close in v6.10-rc3 kernel.

Thanks for the report.
Please test the fix:
https://lore.kernel.org/bpf/20240615181935.76049-1-alexei.starovoitov@gmail.com/