From: patchwork-bot+netdevbpf@kernel.org
To: Kumar Kartikeya Dwivedi <memxor@gmail.com>
Cc: bpf@vger.kernel.org, ast@kernel.org, daniel@iogearbox.net,
andrii@kernel.org
Subject: Re: [PATCH bpf v2 0/2] Fix for crash due to overwrite in copy_map_value
Date: Fri, 11 Feb 2022 21:30:10 +0000 [thread overview]
Message-ID: <164461501034.10199.16749469053019311648.git-patchwork-notify@kernel.org> (raw)
In-Reply-To: <20220209070324.1093182-1-memxor@gmail.com>
Hello:
This series was applied to bpf/bpf.git (master)
by Alexei Starovoitov <ast@kernel.org>:
On Wed, 9 Feb 2022 12:33:22 +0530 you wrote:
> A fix for an oversight in copy_map_value that leads to kernel crash.
>
> Also, a question for BPF developers:
> It seems in arraymap.c, we always do check_and_free_timer_in_array after we do
> copy_map_value in map_update_elem callback, but the same is not done for
> hashtab.c. Is there a specific reason for this difference in behavior, or did I
> miss that it happens for hashtab.c as well?
>
> [...]
Here is the summary with links:
- [bpf,v2,1/2] bpf: Fix crash due to incorrect copy_map_value
https://git.kernel.org/bpf/bpf/c/a8abb0c3dc1e
- [bpf,v2,2/2] selftests/bpf: Add test for bpf_timer overwriting crash
https://git.kernel.org/bpf/bpf/c/a7e75016a075
You are awesome, thank you!
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prev parent reply other threads:[~2022-02-11 21:30 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-02-09 7:03 [PATCH bpf v2 0/2] Fix for crash due to overwrite in copy_map_value Kumar Kartikeya Dwivedi
2022-02-09 7:03 ` [PATCH bpf v2 1/2] bpf: Fix crash due to incorrect copy_map_value Kumar Kartikeya Dwivedi
2022-02-09 19:06 ` Yonghong Song
2022-02-09 19:52 ` Kumar Kartikeya Dwivedi
2022-02-10 8:05 ` Yonghong Song
2022-02-10 22:49 ` Alexei Starovoitov
2022-02-10 23:54 ` Yonghong Song
2022-02-11 0:02 ` Kumar Kartikeya Dwivedi
2022-02-11 0:13 ` Yonghong Song
2022-02-11 1:04 ` Yonghong Song
2022-02-09 7:03 ` [PATCH bpf v2 2/2] selftests/bpf: Add test for bpf_timer overwriting crash Kumar Kartikeya Dwivedi
2022-02-09 20:03 ` Kumar Kartikeya Dwivedi
2022-02-10 8:10 ` Yonghong Song
2022-02-11 21:30 ` patchwork-bot+netdevbpf [this message]
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