From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 1C525C44507 for ; Mon, 13 Jul 2026 12:23:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:MIME-Version:Reply-To:List-Subscribe: List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id:Message-Id:Date: References:In-Reply-To:Cc:To:Subject:From:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=lx8yC8ScGY0z4Aq9lnkJ3lWUW+vU4b8YQGXDUHiAu6Y=; b=AtdOJ28FPeEMrJ NfNe5qBcaCD1XeRcDX/yo/l6DZ7JxYAYC6ACF0GMeHIS9aI/0CcfzffIwpVdnge0da0BuOThD3QIJ 6qa948RPtxesEv+tMe1OJYYdZeTEZ3HRN7HewXx/6GG/EQ0CyVMSa+KDOc9wVz47/mC8v7If6R09f wFzR9eUXPF5d3Nvya+3sNtelkExfBXUAXiKpF8NikbNSjMAF0p37k5et/ImTzn7+FcltFYgXms0gN Pum2PrW4ZJHSwGA26E4Nwu3Xx/88s8knaTCaPKaaOhY90lEDSxDmB9JOr30hgrewvRpStnQ2f/NKc gpNRBMGWAd4nDTEurxNQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1wjFhR-00000009BmL-01Xm; Mon, 13 Jul 2026 12:23:53 +0000 Received: from sea.source.kernel.org ([172.234.252.31]) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1wjFhQ-00000009Blt-2rwd for linux-amlogic@lists.infradead.org; Mon, 13 Jul 2026 12:23:52 +0000 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) by sea.source.kernel.org (Postfix) with ESMTP id 0DEF443E6D; Mon, 13 Jul 2026 12:23:52 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id A4AF61F000E9; Mon, 13 Jul 2026 12:23:51 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1783945431; bh=mfkYvXchsq41aWkSrCkNKYoKA+D2jJR6+NT5QAp3nGA=; h=From:Subject:Reply-To:To:Cc:In-Reply-To:References:Date; b=bYYb3iC2JeTQ3Yv/rpmn2BOrLwMsGk26C+xDWIBkxo8xTZlZyg2iRWxVSpp+bLTb6 p13byozgJaUcrmUQU7KulchWBAApLfv5f240N8j5tLHhLYyjV8Xpk1GLB2UWjNPcSZ Gr3GDrJob7H33wzVviHZfnwTGdBDHdKEtwPQNlIoHencG2la5iDz9csDwtBQeB0fJA 3IbdD0Ur5zhR1nOeF4BVYTrCSKbQN/bWUgUHmuvPEvIJbEIyTpeh/NSj2pzh3Mnvxp QaNU3+LdXwwiD4zingrHZCb02zDAoVwJTcunNYCL0SYPEFSYsdpqVyrW4RrtWjXw46 jAWgWqcd8D6+A== From: sashiko-bot@kernel.org Subject: Re: [PATCH v7 04/19] media: meson: vdec: Fix use-after-free race between teardown and ISR routines To: "Anand Moon" Cc: neil.armstrong@linaro.org, linux-amlogic@lists.infradead.org, dri-devel@lists.freedesktop.org In-Reply-To: <20260713120840.17427-5-linux.amoon@gmail.com> References: <20260713120840.17427-1-linux.amoon@gmail.com> <20260713120840.17427-5-linux.amoon@gmail.com> Date: Mon, 13 Jul 2026 12:23:51 +0000 Message-Id: <20260713122351.A4AF61F000E9@smtp.kernel.org> X-BeenThere: linux-amlogic@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: sashiko-reviews@lists.linux.dev MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: "linux-amlogic" Errors-To: linux-amlogic-bounces+linux-amlogic=archiver.kernel.org@lists.infradead.org VGhhbmsgeW91IGZvciB5b3VyIGNvbnRyaWJ1dGlvbiEgU2FzaGlrbyBBSSByZXZpZXcgZm91bmQg MyBwb3RlbnRpYWwgaXNzdWUocykgdG8gY29uc2lkZXI6CgpOZXcgaXNzdWVzOgotIFtIaWdoXSBS ZXR1cm5pbmcgYElSUV9IQU5ETEVEYCBmb3IgYSBOVUxMIHNlc3Npb24gaW4gdGhlIGhhcmR3YXJl IGludGVycnVwdCBoYW5kbGVyIGNhdXNlcyBhbiBpbmZpbml0ZSBpbnRlcnJ1cHQgc3Rvcm0uCgpQ cmUtZXhpc3RpbmcgaXNzdWVzOgotIFtIaWdoXSBDYWxsaW5nIGBzeW5jaHJvbml6ZV9pcnEoKWAg YmVmb3JlIHN0b3BwaW5nIGhhcmR3YXJlIGludGVycnVwdHMgZmFpbHMgdG8gZml4IHRoZSB1c2Ut YWZ0ZXItZnJlZSByYWNlIGNvbmRpdGlvbi4KLSBbSGlnaF0gVW5iaW5kIG9wZXJhdGlvbnMgZGVz dHJveSBkZXZtLW1hbmFnZWQgc3RydWN0dXJlcyBhbmQgdGhlIG0ybSBkZXZpY2Ugd2hpbGUgb3Bl biBmaWxlIGRlc2NyaXB0b3JzIHJlbWFpbiwgY2F1c2luZyBVQUYgb24gY2xvc3VyZS4KLS0KCi0t LSBQYXRjaCBbNF06IFtQQVRDSCB2NyAwNC8xOV0gbWVkaWE6IG1lc29uOiB2ZGVjOiBGaXggdXNl LWFmdGVyLWZyZWUgcmFjZSBiZXR3ZWVuIHRlYXJkb3duIGFuZCBJU1Igcm91dGluZXMgLS0tCmNv bW1pdCA3ZjE1MzNlZDdjMTgyMjM0ZGIyOGNjNDE5NTQxNzExNWNiNjM1YmI5CkF1dGhvcjogQW5h bmQgTW9vbiA8bGludXguYW1vb25AZ21haWwuY29tPgoKbWVkaWE6IG1lc29uOiB2ZGVjOiBGaXgg dXNlLWFmdGVyLWZyZWUgcmFjZSBiZXR3ZWVuIHRlYXJkb3duIGFuZCBJU1Igcm91dGluZXMKClRo aXMgcGF0Y2ggYXR0ZW1wdHMgdG8gcHJldmVudCByYWNlIGNvbmRpdGlvbnMgYW5kIG51bGwgcG9p bnRlciBkZXJlZmVyZW5jZXMKYnkgc3luY2hyb25pemluZyBpbnRlcnJ1cHQgc2VydmljZSByb3V0 aW5lcyBkdXJpbmcgc2Vzc2lvbiB0ZWFyZG93biBhbmQgZmlsZQpkZXNjcmlwdG9yIHJlbGVhc2Ug cGhhc2VzLiBJdCBhZGRzIHN5bmNocm9uaXplX2lycSgpIGNhbGxzIGFuZCB1c2VzCnNtcF9sb2Fk X2FjcXVpcmUoKSB0byBzYWZlbHkgY2FwdHVyZSB0aGUgY3VycmVudCBzZXNzaW9uIGluIHRoZSBJ U1IgaGFuZGxlcnMuCgpMaW5rOiBodHRwczovL2xvcmUua2VybmVsLm9yZy9hbGwvMjAyNjA1MjEw OTA5NDQuRjM1NDAxRjAwQTNEQHNtdHAua2VybmVsLm9yZy8KCj4gZGlmZiAtLWdpdCBhL2RyaXZl cnMvc3RhZ2luZy9tZWRpYS9tZXNvbi92ZGVjL3ZkZWMuYyBiL2RyaXZlcnMvc3RhZ2luZy9tZWRp YS9tZXNvbi92ZGVjL3ZkZWMuYwo+IGluZGV4IDdmYzczZDVjZGViYmYuLjdhZTNkNWE5ZGQ2YWIg MTAwNjQ0Cj4gLS0tIGEvZHJpdmVycy9zdGFnaW5nL21lZGlhL21lc29uL3ZkZWMvdmRlYy5jCj4g KysrIGIvZHJpdmVycy9zdGFnaW5nL21lZGlhL21lc29uL3ZkZWMvdmRlYy5jCj4gQEAgLTQ4NCw2 ICs0ODQsOSBAQCBzdGF0aWMgdm9pZCB2ZGVjX3N0b3Bfc3RyZWFtaW5nKHN0cnVjdCB2YjJfcXVl dWUgKnEpCj4gIAkJCX0KPiAgCQl9Cj4gIAo+ICsJCS8qIFN5bmNocm9uaXplIGFuZCBmbHVzaCBw ZW5kaW5nIGhhcmR3YXJlIGludGVycnVwdCBzZXJ2aWNlIHJvdXRpbmVzICovCj4gKwkJc3luY2hy b25pemVfaXJxKGNvcmUtPnZkZWNfaXJxKTsKPiArCgpbU2V2ZXJpdHk6IEhpZ2hdClRoaXMgaXNu J3QgYSBidWcgaW50cm9kdWNlZCBieSB0aGlzIHBhdGNoLCBidXQgZG9lcyBjYWxsaW5nIHN5bmNo cm9uaXplX2lycSgpCmJlZm9yZSB2ZGVjX3Bvd2Vyb2ZmKCkgYWN0dWFsbHkgcHJldmVudCB0aGUg cmFjZSBjb25kaXRpb24/CgpTaW5jZSBzeW5jaHJvbml6ZV9pcnEoKSBvbmx5IHdhaXRzIGZvciBj dXJyZW50bHkgZXhlY3V0aW5nIGhhbmRsZXJzIHRvIGZpbmlzaAphbmQgZG9lcyBub3QgZGlzYWJs ZSB0aGUgSVJRIGxpbmUgb3IgcHJldmVudCBuZXcgaGFyZHdhcmUgaW50ZXJydXB0cywgaXQgc2Vl bXMKbmV3IGludGVycnVwdHMgY2FuIHN0aWxsIGZpcmUgaW1tZWRpYXRlbHkgYWZ0ZXIgaXQgcmV0 dXJucy4KCkJlY2F1c2UgdGhlIGhhcmR3YXJlIGlzbid0IHN0b3BwZWQgdW50aWwgdmRlY19wb3dl cm9mZigpIHJ1bnMsIGNvdWxkIGEgbmV3bHkKdHJpZ2dlcmVkIElTUiBvYnNlcnZlIGEgdmFsaWQg c2Vzc2lvbiBwb2ludGVyIGFuZCBleGVjdXRlIGNvbmN1cnJlbnRseSB3aXRoIHRoZQpyZXN0IG9m IHRoZSB0ZWFyZG93biBzZXF1ZW5jZT8KClNob3VsZCB0aGUgaGFyZHdhcmUgYmUgc3RvcHBlZCB2 aWEgdmRlY19wb3dlcm9mZigpIGJlZm9yZSBzeW5jaHJvbml6aW5nIElSUXM/Cgo+ICAJCXZkZWNf cG93ZXJvZmYoc2Vzcyk7Cj4gIAkJdmRlY19mcmVlX2NhbnZhcyhzZXNzKTsKPiAgCgpbIC4uLiBd Cgo+IEBAIC05ODksNiArOTkyLDkgQEAgc3RhdGljIGludCB2ZGVjX2Nsb3NlKHN0cnVjdCBmaWxl ICpmaWxlKQo+ICAJc3RydWN0IGFtdmRlY19zZXNzaW9uICpzZXNzID0gZmlsZV90b19hbXZkZWNf c2Vzc2lvbihmaWxlKTsKPiAgCXN0cnVjdCBhbXZkZWNfY29yZSAqY29yZSA9IHNlc3MtPmNvcmU7 Cj4gIAo+ICsJLyogU3luY2hyb25pemUgYW5kIGZsdXNoIHBlbmRpbmcgaGFyZHdhcmUgaW50ZXJy dXB0IHNlcnZpY2Ugcm91dGluZXMgKi8KPiArCXN5bmNocm9uaXplX2lycShjb3JlLT52ZGVjX2ly cSk7Cj4gKwoKW1NldmVyaXR5OiBIaWdoXQpUaGlzIGlzIGEgcHJlLWV4aXN0aW5nIGlzc3VlLCBi dXQgZG9lcyB0aGUgZHJpdmVyIGhhbmRsZSB1bmJpbmQgc2FmZWx5IGlmCnVzZXItc3BhY2Uga2Vl cHMgdGhlIHZpZGVvIGRldmljZSBmaWxlIG9wZW4/CgpJZiB0aGUgZHJpdmVyIGlzIHVuYm91bmQs IHZkZWNfcmVtb3ZlKCkgZXhlY3V0ZXM6Cgp2ZGVjX3JlbW92ZSgpCiAgICB2aWRlb191bnJlZ2lz dGVyX2RldmljZShjb3JlLT52ZGV2X2RlYyk7CiAgICB2NGwyX20ybV9yZWxlYXNlKGNvcmUtPm0y bV9kZXYpOwogICAgdjRsMl9kZXZpY2VfdW5yZWdpc3RlcigmY29yZS0+djRsMl9kZXYpOwoKU2lu Y2UgZGV2cmVzIGF1dG9tYXRpY2FsbHkgZnJlZXMgdGhlIGFtdmRlY19jb3JlIHN0cnVjdHVyZSB1 cG9uIHVuYmluZApjb21wbGV0aW9uLCBhbmQgdmlkZW9fdW5yZWdpc3Rlcl9kZXZpY2UoKSBkb2Vz IG5vdCBmb3JjZWZ1bGx5IGNsb3NlIG9wZW4gZmlsZQpkZXNjcmlwdG9ycywgY291bGQgYSBsYXRl ciBjYWxsIHRvIHZkZWNfY2xvc2UoKSBkZXJlZmVyZW5jZSB0aGUgZnJlZWQgY29yZQpzdHJ1Y3R1 cmU/CgpGb3IgaW5zdGFuY2UsIHRoaXMgbmV3bHkgYWRkZWQgc3luY2hyb25pemVfaXJxKGNvcmUt PnZkZWNfaXJxKSBjYWxsIHdvdWxkCnVzZSB0aGUgZnJlZWQgY29yZSBwb2ludGVyLiBTaW1pbGFy bHksIHY0bDJfbTJtX2N0eF9yZWxlYXNlKHNlc3MtPm0ybV9jdHgpCmxhdGVyIGluIHZkZWNfY2xv c2UoKSB3b3VsZCB1c2UgdGhlIGZyZWVkIGNvcmUtPm0ybV9kZXYuCgo+ICAJaWYgKCFJU19FUlJf T1JfTlVMTChzZXNzLT5yZWN5Y2xlX3RocmVhZCkpIHsKPiAgCQlrdGhyZWFkX3N0b3Aoc2Vzcy0+ cmVjeWNsZV90aHJlYWQpOwo+ICAJCXNlc3MtPnJlY3ljbGVfdGhyZWFkID0gTlVMTDsKClsgLi4u IF0KCj4gQEAgLTEwMzgsNyArMTA0NCwxMiBAQCBzdGF0aWMgY29uc3Qgc3RydWN0IHY0bDJfZmls ZV9vcGVyYXRpb25zIHZkZWNfZm9wcyA9IHsKPiAgc3RhdGljIGlycXJldHVybl90IHZkZWNfaXNy KGludCBpcnEsIHZvaWQgKmRhdGEpCj4gIHsKPiAgCXN0cnVjdCBhbXZkZWNfY29yZSAqY29yZSA9 IGRhdGE7Cj4gLQlzdHJ1Y3QgYW12ZGVjX3Nlc3Npb24gKnNlc3MgPSBjb3JlLT5jdXJfc2VzczsK PiArCXN0cnVjdCBhbXZkZWNfc2Vzc2lvbiAqc2VzczsKPiArCj4gKwkvKiBTZWN1cmUgYW4gYXRv bWljIGFjcXVpcmUgc25hcHNob3QgdG8gcHJvdGVjdCBhZ2FpbnN0IGNvbmN1cnJlbnQgdGVhcmRv d24gKi8KPiArCXNlc3MgPSBzbXBfbG9hZF9hY3F1aXJlKCZjb3JlLT5jdXJfc2Vzcyk7Cj4gKwlp ZiAoIXNlc3MpCj4gKwkJcmV0dXJuIElSUV9IQU5ETEVEOwoKW1NldmVyaXR5OiBIaWdoXQpDYW4g cmV0dXJuaW5nIElSUV9IQU5ETEVEIGhlcmUgY2F1c2UgYW4gaW5maW5pdGUgaW50ZXJydXB0IHN0 b3JtPwoKSWYgdGhlIGhhbmRsZXIgZXZhbHVhdGVzIHRoZSBzZXNzaW9uIHRvIE5VTEwgYW5kIHJl dHVybnMgSVJRX0hBTkRMRUQgd2l0aG91dAphY2tub3dsZWRnaW5nIG9yIGNsZWFyaW5nIHRoZSBp bnRlcnJ1cHQgYXQgdGhlIGhhcmR3YXJlIGxldmVsLCB0aGUgZ2VuZXJpYyBJUlEKZnJhbWV3b3Jr IHdpbGwgdW5tYXNrIHRoZSBpbnRlcnJ1cHQgbGluZS4KClNpbmNlIHRoZSBoYXJkd2FyZSBpbnRl cnJ1cHQgc291cmNlIGhhc24ndCBiZWVuIGNsZWFyZWQsIHdvbid0IHRoZSBpbnRlcnJ1cHQKY29u dHJvbGxlciBpbW1lZGlhdGVseSByZS10cmlnZ2VyIHRoZSBpbnRlcnJ1cHQsIHJlc3VsdGluZyBp biBhIHNvZnQgbG9ja3VwIG9yCkNQVSBzdGFsbD8KClNob3VsZCB0aGlzIHJldHVybiBJUlFfTk9O RSBzbyB0aGUgSVJRIHN1YnN5c3RlbSBjYW4gZGV0ZWN0IGl0IGFzIHNwdXJpb3VzIGFuZApldmVu dHVhbGx5IGRpc2FibGUgdGhlIElSUSBsaW5lPwoKPiAgCj4gIAlzZXNzLT5sYXN0X2lycV9qaWZm aWVzID0gZ2V0X2ppZmZpZXNfNjQoKTsKPiAgCj4gQEAgLTEwNDgsNyArMTA1OSwxMiBAQCBzdGF0 aWMgaXJxcmV0dXJuX3QgdmRlY19pc3IoaW50IGlycSwgdm9pZCAqZGF0YSkKPiAgc3RhdGljIGly cXJldHVybl90IHZkZWNfdGhyZWFkZWRfaXNyKGludCBpcnEsIHZvaWQgKmRhdGEpCj4gIHsKPiAg CXN0cnVjdCBhbXZkZWNfY29yZSAqY29yZSA9IGRhdGE7Cj4gLQlzdHJ1Y3QgYW12ZGVjX3Nlc3Np b24gKnNlc3MgPSBjb3JlLT5jdXJfc2VzczsKPiArCXN0cnVjdCBhbXZkZWNfc2Vzc2lvbiAqc2Vz czsKPiArCj4gKwkvKiBQcmV2ZW50IGxhdGUtc3RhZ2UgdGhyZWFkZWQgaW50ZXJydXB0cyBmcm9t IGRlcmVmZXJlbmNpbmcgYSBOVUxMIHNlc3Npb24gKi8KPiArCXNlc3MgPSBzbXBfbG9hZF9hY3F1 aXJlKCZjb3JlLT5jdXJfc2Vzcyk7Cj4gKwlpZiAoIXNlc3MpCj4gKwkJcmV0dXJuIElSUV9IQU5E TEVEOwoKW1NldmVyaXR5OiBIaWdoXQpEb2VzIHJldHVybmluZyBJUlFfSEFORExFRCBoZXJlIGFs c28gaW5jb3JyZWN0bHkgcHJvcGFnYXRlIHRoZSBzYW1lIGludGVycnVwdApzdG9ybSBiZWhhdmlv cj8KCj4gIAo+ICAJcmV0dXJuIHNlc3MtPmZtdF9vdXQtPmNvZGVjX29wcy0+dGhyZWFkZWRfaXNy KHNlc3MpOwo+ICB9CgotLSAKU2FzaGlrbyBBSSByZXZpZXcgwrcgaHR0cHM6Ly9zYXNoaWtvLmRl di8jL3BhdGNoc2V0LzIwMjYwNzEzMTIwODQwLjE3NDI3LTEtbGludXguYW1vb25AZ21haWwuY29t P3BhcnQ9NAoKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18K bGludXgtYW1sb2dpYyBtYWlsaW5nIGxpc3QKbGludXgtYW1sb2dpY0BsaXN0cy5pbmZyYWRlYWQu b3JnCmh0dHA6Ly9saXN0cy5pbmZyYWRlYWQub3JnL21haWxtYW4vbGlzdGluZm8vbGludXgtYW1s b2dpYwo=