From: Jiayuan Chen <jiayuan.chen@linux.dev>
To: Michal Luczaj <mhal@rbox.co>,
John Fastabend <john.fastabend@gmail.com>,
Jakub Sitnicki <jakub@cloudflare.com>,
Eric Dumazet <edumazet@google.com>,
Kuniyuki Iwashima <kuniyu@google.com>,
Paolo Abeni <pabeni@redhat.com>,
Willem de Bruijn <willemb@google.com>,
"David S. Miller" <davem@davemloft.net>,
Jakub Kicinski <kuba@kernel.org>, Simon Horman <horms@kernel.org>,
Yonghong Song <yhs@fb.com>, Andrii Nakryiko <andrii@kernel.org>,
Alexei Starovoitov <ast@kernel.org>,
Daniel Borkmann <daniel@iogearbox.net>,
Martin KaFai Lau <martin.lau@linux.dev>,
Eduard Zingerman <eddyz87@gmail.com>, Song Liu <song@kernel.org>,
Yonghong Song <yonghong.song@linux.dev>,
KP Singh <kpsingh@kernel.org>,
Stanislav Fomichev <sdf@fomichev.me>, Hao Luo <haoluo@google.com>,
Jiri Olsa <jolsa@kernel.org>, Shuah Khan <shuah@kernel.org>,
Cong Wang <cong.wang@bytedance.com>
Cc: netdev@vger.kernel.org, bpf@vger.kernel.org,
linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org
Subject: Re: [PATCH bpf v3 4/5] selftests/bpf: Extend bpf_iter_unix to attempt deadlocking
Date: Fri, 6 Mar 2026 22:34:30 +0800 [thread overview]
Message-ID: <92677272-5719-4c91-b4d4-d3e71e50d2c6@linux.dev> (raw)
In-Reply-To: <20260306-unix-proto-update-null-ptr-deref-v3-4-2f0c7410c523@rbox.co>
On 3/6/26 7:30 AM, Michal Luczaj wrote:
> Updating a sockmap from a unix iterator prog may lead to a deadlock.
> Piggyback on the original selftest.
>
> Signed-off-by: Michal Luczaj <mhal@rbox.co>
Reviewed-by: Jiayuan Chen <jiayuan.chen@linux.dev>
next prev parent reply other threads:[~2026-03-06 14:34 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-03-05 23:30 [PATCH bpf v3 0/5] bpf, sockmap: Fix af_unix null-ptr-deref in proto update Michal Luczaj
2026-03-05 23:30 ` [PATCH bpf v3 1/5] bpf, sockmap: Annotate af_unix sock::sk_state data-races Michal Luczaj
2026-03-06 5:30 ` Kuniyuki Iwashima
2026-03-06 6:24 ` [PATCH bpf v3 1/5] bpf, sockmap: Annotate af_unix sock^sk_state data-races Jiayuan Chen
2026-03-18 17:05 ` [PATCH bpf v3 1/5] bpf, sockmap: Annotate af_unix sock::sk_state data-races Michal Luczaj
2026-03-05 23:30 ` [PATCH bpf v3 2/5] bpf, sockmap: Use sock_map_sk_{acquire,release}() where open-coded Michal Luczaj
2026-03-06 5:44 ` Kuniyuki Iwashima
2026-03-06 14:05 ` Michal Luczaj
2026-03-11 4:17 ` Kuniyuki Iwashima
2026-03-11 4:57 ` Kuniyuki Iwashima
2026-03-15 23:58 ` Michal Luczaj
2026-03-05 23:30 ` [PATCH bpf v3 3/5] bpf, sockmap: Fix af_unix iter deadlock Michal Luczaj
2026-03-06 5:47 ` Kuniyuki Iwashima
2026-03-06 6:04 ` Jiayuan Chen
2026-03-06 6:15 ` Jiayuan Chen
2026-03-06 14:06 ` Michal Luczaj
2026-03-06 14:31 ` Jiayuan Chen
2026-03-06 14:33 ` Jiayuan Chen
2026-03-05 23:30 ` [PATCH bpf v3 4/5] selftests/bpf: Extend bpf_iter_unix to attempt deadlocking Michal Luczaj
2026-03-06 14:34 ` Jiayuan Chen [this message]
2026-03-05 23:30 ` [PATCH bpf v3 5/5] bpf, sockmap: Adapt for af_unix-specific lock Michal Luczaj
2026-03-06 5:01 ` Jiayuan Chen
2026-03-06 14:09 ` Michal Luczaj
2026-03-10 22:20 ` Martin KaFai Lau
2026-03-15 23:58 ` Michal Luczaj
2026-03-26 6:26 ` Martin KaFai Lau
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