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Miller" , "Eric Dumazet" , "Jakub Kicinski" , "Paolo Abeni" , "Kees Cook" , linux-net-drivers@amd.com, linux-kernel@vger.kernel.org Subject: Re: [PATCH net] sfc: fix use-after-free of filter_work in efx_realloc_channels() X-Priority: 3 X-Mailer: Coremail Webmail Server Version 2023.4-cmXT build 20260511(2e539873) Copyright (c) 2002-2026 www.mailtech.cn 163com In-Reply-To: <46fdec20-c37b-4d7a-afa1-3caadcfc4640@gmail.com> References: <20261022133927.3860186-1-congei42@163.com> <46fdec20-c37b-4d7a-afa1-3caadcfc4640@gmail.com> X-NTES-SC: AL_Qu2SAPuZuk8q5SOaY+kfm0YUj+44Wsa4uvgk2YJeOpt4jD3p5jwdY11FGGPR9MC+Ow+dlwmpeTprx/x8eI5CQak03Rl+jHrlvDRZAXm07Qr/8g== Content-Transfer-Encoding: base64 Content-Type: text/plain; charset=GBK X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Message-ID: <5a7bfee.32ee.1a166c781b9.Coremail.congei42@163.com> X-Coremail-Locale: zh_CN X-CM-TRANSID:dCgvCgDn1__R0tpqu5BeAA--.1187W X-CM-SenderInfo: 5frqwvrlusqiywtou0bp/xtbC9RE6LWra0tHXcwAA3k X-Coremail-Antispam: 1U5529EdanIXcx71UUUUU7vcSsGvfC2KfnxnUU== QXQgMjAyNi0xMC0yMiAyMjozNjo1MiwgIkVkd2FyZCBDcmVlIiA8ZWNyZWUueGlsaW54QGdtYWls LmNvbT4gd3JvdGU6Cj5UaGUgYW5hbHlzaXMgbG9va3MgY29ycmVjdCwgYnV0IEkgd29uZGVyIGlm IHJhdGhlciB0aGFuIHBsYWNpbmcgdGhlCj4gY2FuY2VsX2RlbGF5ZWRfd29ya19zeW5jKCkgaW5s aW5lIGluIGVmeF9yZWFsbG9jX2NoYW5uZWxzKCksIGl0IHNob3VsZAo+IGJlIGRvbmUgYnkgZWZ4 X3JlbW92ZV9jaGFubmVsKCkgKG9yIHJvbGxlZCB1cCB3aXRoIHRoZSBrZnJlZSgpIGludG8gYQo+ IG5ldyBlZnhfZnJlZV9jaGFubmVsKCksIHNpbmNlIGl0J3MgdW5kb2luZyBlZnhfYWxsb2NfY2hh bm5lbCgpIHJhdGhlcgo+IHRoYW4gZWZ4X3Byb2JlX2NoYW5uZWwoKSksIHRvIHJlZHVjZSB0aGUg cmlzayBvZiB0aGUgc2FtZSByYWNlIHBvcHBpbmcKPiB1cCBlbHNld2hlcmUuICBDb25zdW1lcnMg b2YgdGhlIGNoYW5uZWxzIEFQSSBzaG91bGQgbm90IG5lZWQgdG8ga25vdwo+IHRoYXQgdGhleSBo YXZlIHRvIGRvIHRoaXMgJ21hZ2ljJyBjYW5jZWwgdG8gc2FmZWx5IGZyZWUgYSBjaGFubmVsLAo+ IHRoYXQncyBhIGxheWVyaW5nIHZpb2xhdGlvbi4KClRoYW5rcyBmb3IgdGhlIHJldmlldywgdGhh dCBtYWtlcyBzZW5zZS4KCkkgd2VudCB3aXRoIGVmeF9mcmVlX2NoYW5uZWwoKS4gSXQgY2FuY2Vs cyBmaWx0ZXJfd29yayBzeW5jaHJvbm91c2x5CmFuZCB0aGVuIGZyZWVzIHRoZSBjaGFubmVsLCBh bmQgYm90aCBlZnhfcmVhbGxvY19jaGFubmVscygpIGFuZAplZnhfZmluaV9jaGFubmVscygpIG5v dyB1c2UgaXQgaW5zdGVhZCBvZiBjYWxsaW5nIGtmcmVlKCkgZGlyZWN0bHkuClRoZSBTaWVuYSBk cml2ZXIgZ2V0cyB0aGUgc2FtZSBjaGFuZ2UuCgo+KEFjdHVhbGx5LCBpdCdzIGEgbGF5ZXJpbmcg dmlvbGF0aW9uIHRoYXQgZmlsdGVyX3dvcmsgZXZlbiBsaXZlcyBpbiB0aGUKPiBlZnhfY2hhbm5l bCBhbmQgbm90IGl0cyBlZnhfcnhfcXVldWUsIGJ1dCBJIG5ldmVyIGhhZCB0aW1lIHRvIGZpeCB0 aGF0Cj4gYW5kIGFtIG5vdyBub3QgbGlrZWx5IHRvIKGqIEkgY29tbWVuZCB0aGUgaWRlYSB0byBm dXR1cmUgbWFpbnRhaW5lcnMuKQoKVGhhdCBzZWVtcyBsaWtlIGEgYmlnZ2VyIHJlZmFjdG9yIHRo YW4gYmVsb25ncyBpbiBhIGZpeCBmb3IgbmV0LCBzbwpJJ3ZlIGxlZnQgaXQgb3V0IG9mIHRoaXMg cGF0Y2guCgpJJ2xsIHNlbmQgdjIgYXMgYSBzZXBhcmF0ZSB0aHJlYWQuCgpUaGFua3MsClNpY29u ZwoKCgoK