From: patchwork-bot+netdevbpf@kernel.org
To: Matt Bobrowski <mattbobrowski@google.com>
Cc: bpf@vger.kernel.org, ast@kernel.org, daniel@iogearbox.net,
andrii@kernel.org, memxor@gmail.com, eddyz87@gmail.com,
kpsingh@kernel.org, sdf@fomichev.me, jolsa@kernel.org
Subject: Re: [PATCH v2 bpf 1/2] bpf: add missing check_func_arg_reg_off() to prevent out-of-bounds memory accesses
Date: Wed, 26 Jun 2024 20:20:30 +0000 [thread overview]
Message-ID: <171943323030.30235.3618047287559189730.git-patchwork-notify@kernel.org> (raw)
In-Reply-To: <20240625062857.92760-1-mattbobrowski@google.com>
Hello:
This series was applied to bpf/bpf-next.git (master)
by Alexei Starovoitov <ast@kernel.org>:
On Tue, 25 Jun 2024 06:28:56 +0000 you wrote:
> Currently, it's possible to pass in a modified CONST_PTR_TO_DYNPTR to
> a global function as an argument. The adverse effects of this is that
> BPF helpers can continue to make use of this modified
> CONST_PTR_TO_DYNPTR from within the context of the global function,
> which can unintentionally result in out-of-bounds memory accesses and
> therefore compromise overall system stability i.e.
>
> [...]
Here is the summary with links:
- [v2,bpf,1/2] bpf: add missing check_func_arg_reg_off() to prevent out-of-bounds memory accesses
https://git.kernel.org/bpf/bpf-next/c/ec2b9a5e11e5
- [v2,bpf,2/2] bpf: add new negative selftests to cover missing check_func_arg_reg_off() and reg->type check
https://git.kernel.org/bpf/bpf-next/c/aa293983d202
You are awesome, thank you!
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prev parent reply other threads:[~2024-06-26 20:20 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-06-25 6:28 [PATCH v2 bpf 1/2] bpf: add missing check_func_arg_reg_off() to prevent out-of-bounds memory accesses Matt Bobrowski
2024-06-25 6:28 ` [PATCH v2 bpf 2/2] bpf: add new negative selftests to cover missing check_func_arg_reg_off() and reg->type check Matt Bobrowski
2024-06-26 20:18 ` [PATCH v2 bpf 1/2] bpf: add missing check_func_arg_reg_off() to prevent out-of-bounds memory accesses Alexei Starovoitov
2024-06-26 20:20 ` patchwork-bot+netdevbpf [this message]
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