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Sat, 19 Apr 2025 08:38:49 -0700 (PDT) From: Penglei Jiang To: tj@kernel.org Cc: cgroups@vger.kernel.org, hannes@cmpxchg.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, mkoutny@suse.com, xnxc22xnxc22@qq.com Subject: Re: KASAN: slab-use-after-free Read in cgroup_rstat_flush Date: Sat, 19 Apr 2025 08:38:43 -0700 Message-Id: <20250419153843.5035-1-superman.xpt@gmail.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: References: X-Rspamd-Server: rspam03 X-Rspamd-Queue-Id: B934A140010 X-Stat-Signature: agmjs3gpxctggrrbgwwk6izibjk66b16 X-Rspam-User: X-HE-Tag: 1745077131-65468 X-HE-Meta: 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 d+O9kAAI BNdQGN7bphIdeGUVzHFL8ZjngEADzJ/e9zreNFCBOaD2gTy6P+34kL2C2csUlq2eKTh4xlglBrHLOAfN1f4rRC/rDX1/aHo3zzPna1tjqgdO+bhGdWUtE9gVMqenIzHITWnBD5RxpqSkIGfwWuxXB2leJc5suds8Z5XRTI7l1FrJR+0ADbIT8pfHIrpp6DXwF5ka/Xc//h/4gTuHILf2xpsQ0OHXBSSpr2Pbf1bznXuDYKE0pzNhAt7t2oAGfN4L12Cq0E2Y6k7HRj899wQlvZVVmlBWr1uyG+Z4kViYUvLHhkE6WMqwwOV/xrjQkPHe4/6IMOaBGL1I/D8tnMXTYBpoylypNriTlMVx9s0yUUcIxAgq3M5Qb0OHQRxzwI+b98dUMSuK0qY3QjccHhbeojEfhqFtvmCGAH57/ X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Mon, 14 Apr 2025 07:42:30 -1000, tj wrote: > Maybe another casualty of the bug fixed by a22b3d54de94 ("cgroup/cpuset: Fix > race between newly created partition and dying one")? This issue was maybe caused by commit 093c8812de2d3, and was later fixed by commit 7d6c63c319142.