From: patchwork-bot+netdevbpf@kernel.org
To: Pu Lehui <pulehui@huaweicloud.com>
Cc: bpf@vger.kernel.org, ast@kernel.org, daniel@iogearbox.net,
andrii@kernel.org, martin.lau@linux.dev, eddyz87@gmail.com,
song@kernel.org, yonghong.song@linux.dev,
john.fastabend@gmail.com, kpsingh@kernel.org, sdf@fomichev.me,
haoluo@google.com, jolsa@kernel.org, alan.maguire@oracle.com,
pulehui@huawei.com
Subject: Re: [PATCH bpf v5] bpf: Fix invalid mem access when update_effective_progs fails in __cgroup_bpf_detach
Date: Tue, 18 Nov 2025 06:50:06 +0000 [thread overview]
Message-ID: <176344860602.4005798.7745346893729698245.git-patchwork-notify@kernel.org> (raw)
In-Reply-To: <20251115102343.2200727-1-pulehui@huaweicloud.com>
Hello:
This patch was applied to bpf/bpf-next.git (master)
by Alexei Starovoitov <ast@kernel.org>:
On Sat, 15 Nov 2025 10:23:43 +0000 you wrote:
> From: Pu Lehui <pulehui@huawei.com>
>
> Syzkaller triggers an invalid memory access issue following fault
> injection in update_effective_progs. The issue can be described as
> follows:
>
> __cgroup_bpf_detach
> update_effective_progs
> compute_effective_progs
> bpf_prog_array_alloc <-- fault inject
> purge_effective_progs
> /* change to dummy_bpf_prog */
> array->items[index] = &dummy_bpf_prog.prog
>
> [...]
Here is the summary with links:
- [bpf,v5] bpf: Fix invalid mem access when update_effective_progs fails in __cgroup_bpf_detach
https://git.kernel.org/bpf/bpf-next/c/7dc211c1159d
You are awesome, thank you!
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prev parent reply other threads:[~2025-11-18 6:50 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-11-15 10:23 [PATCH bpf v5] bpf: Fix invalid mem access when update_effective_progs fails in __cgroup_bpf_detach Pu Lehui
2025-11-18 6:50 ` patchwork-bot+netdevbpf [this message]
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