From: Cong Wang <xiyou.wangcong@gmail.com>
To: Maciej Fijalkowski <maciej.fijalkowski@intel.com>
Cc: bpf@vger.kernel.org, ast@kernel.org, daniel@iogearbox.net,
andrii@kernel.org, netdev@vger.kernel.org,
magnus.karlsson@intel.com, bjorn@kernel.org,
jordyzomer@google.com, security@kernel.org
Subject: Re: [PATCH v2 bpf 0/2] bpf: fix OOB accesses in map_delete_elem callbacks
Date: Fri, 29 Nov 2024 16:43:29 -0800 [thread overview]
Message-ID: <Z0pfsWqRoxaTTC2t@pop-os.localdomain> (raw)
In-Reply-To: <20241122121030.716788-1-maciej.fijalkowski@intel.com>
On Fri, Nov 22, 2024 at 01:10:28PM +0100, Maciej Fijalkowski wrote:
> v1->v2:
> - CC stable and collect tags from Toke & John
>
> Hi,
>
> Jordy reported that for big enough XSKMAPs and DEVMAPs, when deleting
> elements, OOB writes occur.
>
> Reproducer below:
>
Please consider adding it to tools/testing/selftests/bpf/, since it is
pretty small and self-contained. (A follow up patch is definitely
welcome.)
Thanks.
prev parent reply other threads:[~2024-11-30 0:43 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-11-22 12:10 [PATCH v2 bpf 0/2] bpf: fix OOB accesses in map_delete_elem callbacks Maciej Fijalkowski
2024-11-22 12:10 ` [PATCH v2 bpf 1/2] xsk: fix OOB map writes when deleting elements Maciej Fijalkowski
2024-11-22 12:10 ` [PATCH v2 bpf 2/2] bpf: fix OOB devmap " Maciej Fijalkowski
2024-11-25 22:30 ` [PATCH v2 bpf 0/2] bpf: fix OOB accesses in map_delete_elem callbacks patchwork-bot+netdevbpf
2024-11-30 0:43 ` Cong Wang [this message]
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