From: "Gregory Price (Meta)" <gourry@gourry.net>
To: Yafang Shao <laoar.shao@gmail.com>
Cc: ast@kernel.org, daniel@iogearbox.net, andrii@kernel.org,
eddyz87@gmail.com, memxor@gmail.com, mingo@redhat.com,
peterz@infradead.org, juri.lelli@redhat.com,
vincent.guittot@linaro.org, akpm@linux-foundation.org,
david@kernel.org, gourry@gourry.net, tj@kernel.org,
hannes@cmpxchg.org, mkoutny@suse.com, shakeel.butt@linux.dev,
roman.gushchin@linux.dev, yu.c.chen@intel.com,
zhao1.liu@intel.com, tim.c.chen@linux.intel.com,
lizhe.67@bytedance.com, bpf@vger.kernel.org, linux-mm@kvack.org,
cgroups@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [RFC PATCH v3 bpf-next 1/5] sched: fix stale get_pref_llc() stub for !CONFIG_SCHED_CACHE
Date: Tue, 20 Oct 2026 22:23:29 -0400 [thread overview]
Message-ID: <179254940965.1919196.7604748267690139512.b4-reply@b4> (raw)
In-Reply-To: <20261019064157.29885-2-laoar.shao@gmail.com>
On 2026-10-19 14:41 +0800, Yafang Shao wrote:
> Commit b636fef85bda ("sched/cache: Introduce task_struct->sched_cache_grp
> to fix UAF") switched get_pref_llc() from taking a struct mm_struct * to
> taking the task's struct sched_cache_group *, but only updated the
> CONFIG_SCHED_CACHE definition and its caller: the stub in the
> !CONFIG_SCHED_CACHE branch kept the old mm_struct parameter.
>
> Fixes: b636fef85bda ("sched/cache: Introduce task_struct->sched_cache_grp to fix UAF")
> Signed-off-by: Yafang Shao <laoar.shao@gmail.com>
> Cc: Tim Chen <tim.c.chen@linux.intel.com>
> Cc: Chen Yu <yu.c.chen@intel.com>
Reviewed-by: Gregory Price (Meta) <gourry@gourry.net>
Please submit fixes like these separate from your series.
--
Gregory Price (Meta) <gourry@gourry.net>
next prev parent reply other threads:[~2026-10-21 2:23 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-10-19 6:41 [RFC PATCH v3 bpf-next 0/5] BPF-based per-cgroup NUMA balancing mode selection Yafang Shao
2026-10-19 6:41 ` [RFC PATCH v3 bpf-next 1/5] sched: fix stale get_pref_llc() stub for !CONFIG_SCHED_CACHE Yafang Shao
2026-10-21 2:23 ` Gregory Price (Meta) [this message]
2026-10-21 5:46 ` Yafang Shao
2026-10-21 2:40 ` Chen Yu
2026-10-21 20:40 ` Tim Chen
2026-10-19 6:41 ` [RFC PATCH v3 bpf-next 2/5] sched: use static_branch_likely() for the NUMA balancing tick check Yafang Shao
2026-10-21 2:26 ` Gregory Price (Meta)
2026-10-19 6:41 ` [RFC PATCH v3 bpf-next 3/5] sched: add helpers for numa balancing Yafang Shao
2026-10-19 7:14 ` bot+bpf-ci
2026-10-19 6:41 ` [RFC PATCH v3 bpf-next 4/5] sched: add BPF-based per-cgroup NUMA balancing mode selection Yafang Shao
2026-10-19 7:24 ` bot+bpf-ci
2026-10-19 6:41 ` [RFC PATCH v3 bpf-next 5/5] selftests/bpf: add tests for the numab kfuncs Yafang Shao
2026-10-20 16:54 ` [RFC PATCH v3 bpf-next 0/5] BPF-based per-cgroup NUMA balancing mode selection Tejun Heo
2026-10-25 13:32 ` Yafang Shao
2026-10-23 6:32 ` Li Zhe
2026-10-25 3:35 ` Yafang Shao
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