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 555B0CD98DE for ; Mon, 15 Jun 2026 14:32:17 +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=n78dtfGaMRDrtM66ADmrhH5K2nHNWoFL4CEc+M7LMVs=; b=4l49zwE5DfYJde AYt0pEllV2RjVxOVIZvL3IWsQdnhdNNy4/CTqpR4cW2NZbqweRNIu7PLINTf1QBnvEnmLQRXpolsl XNXR2VgxOQURcq7hHQnqua4Or3If3G7SP4xEiaHxNNaagJHif9ii4xgaT+f6FA1qIZVF95OxwBWsX vQGTDJikQhDccZdH+gxGwNbRYe+Nbfk3nNVW5sEHkygAWU8VgGIyRLrSBDG5/Xwmfu8QcK2+M+2Bj vIUrYNQREQwfZb1pM59OmqesG+tyXMa+ce+ZqNbV9URFff40jr988qmilzl4g9uAYzZU5U5r6igs3 acDc8l761XzXxEmRtD6w==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1wZ8ME-0000000EPyg-1pDy; Mon, 15 Jun 2026 14:32:10 +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 1wZ8MC-0000000EPyP-3EhO for linux-amlogic@lists.infradead.org; Mon, 15 Jun 2026 14:32:08 +0000 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) by sea.source.kernel.org (Postfix) with ESMTP id 47B9A43DFE; Mon, 15 Jun 2026 14:32:08 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id ED60E1F000E9; Mon, 15 Jun 2026 14:32:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1781533928; bh=zZ65lpgMiTpLvQtxhYR+QGPXUGLLw2g7209W+JNvNG4=; h=From:Subject:Reply-To:To:Cc:In-Reply-To:References:Date; b=AClh85Bsink1a0O5JcfNKkhprQ0032VfTDr2pa2txzVxr9fTEx+zTeErMHFEYt7mN 3cZaWz56au1TmyUtwuMpOix4SAwXdVOgyY6nZs6M8baI78eNpZRMpS1RaNGcsKybbo oChY8QzJjJbjjl76XT1nhJsnh1Y/Qwo3fcS0uagBAI8L1CAo6Di/czFDqxE+JhA5Zd XPQ8MbRZBZAEAtkdlmFBrD7ECdirkUDNK74gHHqvB9yXwBpVS6y1Qg21pGinZZNIy3 d9FSBNUyNsAGRQnkuqHBcvhtftQswRI7T9IspMDcGoBtE8xvQ/+CJYNfOjNJmEEYt5 UUxhosMksGTQg== From: sashiko-bot@kernel.org Subject: Re: [PATCH] media: meson: vdec: fix use-after-free of decode work in stop/close path To: "Doruk Tan Ozturk" Cc: linux-amlogic@lists.infradead.org, neil.armstrong@linaro.org In-Reply-To: <20260615140529.52653-1-doruk@0sec.ai> References: <20260615140529.52653-1-doruk@0sec.ai> Date: Mon, 15 Jun 2026 14:32:07 +0000 Message-Id: <20260615143207.ED60E1F000E9@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 NSBwb3RlbnRpYWwgaXNzdWUocykgdG8gY29uc2lkZXI6CgpQcmUtZXhpc3RpbmcgaXNzdWVzOgot IFtDcml0aWNhbF0gTWlzc2luZyBJUlEgc3luY2hyb25pemF0aW9uIGFsbG93cyBhIGRlbGF5ZWQg dGhyZWFkZWQgSVJRIHRvIHJlLWFybSB0aGUgd29ya2VyIGFmdGVyIGBjYW5jZWxfd29ya19zeW5j KClgIGNvbXBsZXRlcywgbGVhZGluZyB0byBtdWx0aXBsZSBVc2UtQWZ0ZXItRnJlZSBidWdzLgot IFtIaWdoXSBgdmRlY19wb3dlcm9mZigpYCBkaXNhYmxlcyBoYXJkd2FyZSBjbG9ja3Mgd2hpbGUg dGhlIHdvcmtlciB0aHJlYWQgaXMgYWN0aXZlbHkgZXhlY3V0aW5nIG9yIHNsZWVwaW5nLCBsZWFk aW5nIHRvIGZhdGFsIHVuY2xvY2tlZCByZWdpc3RlciBhY2Nlc3Nlcy4KLSBbSGlnaF0gVW5jaGVj a2VkIHJldHVybiB2YWx1ZSBvZiBga3RocmVhZF9ydW4oKWAgbGVhZHMgdG8gYSBrZXJuZWwgcGFu aWMgaW4gYHZkZWNfc3RvcF9zdHJlYW1pbmcoKWAuCi0gW0hpZ2hdIFRoZSBWNEwyIGNvbnRyb2wg aGFuZGxlciBgc2Vzcy0+Y3RybF9oYW5kbGVyYCBpcyBuZXZlciBmcmVlZCwgbGVha2luZyBtZW1v cnkgb24gZXZlcnkgZGV2aWNlIGNsb3NlLgotIFtIaWdoXSBUaGUgYHNlc3MtPnByaXZgIHN0cnVj dHVyZSBpcyBsZWFrZWQgaWYgYHZkZWNfc3RhcnRfc3RyZWFtaW5nKClgIGZhaWxzLgotLQoKY29t bWl0IDgwYzI1MmQ2N2I3MjM1ZWRiNjNkNmExZmNkYmJkZmU5NzVhNDVlMGMKQXV0aG9yOiBEb3J1 ayBUYW4gT3p0dXJrIDxkb3J1a0Awc2VjLmFpPgpTdWJqZWN0OiBtZWRpYTogbWVzb246IHZkZWM6 IGZpeCB1c2UtYWZ0ZXItZnJlZSBvZiBkZWNvZGUgd29yayBpbiBzdG9wL2Nsb3NlIHBhdGgKClRo aXMgY29tbWl0IGF0dGVtcHRzIHRvIGZpeCBhIHVzZS1hZnRlci1mcmVlIGNvbmRpdGlvbiBieSBj YW5jZWxsaW5nCmVzcGFyc2VyX3F1ZXVlX3dvcmsgZHVyaW5nIHZkZWNfc3RvcF9zdHJlYW1pbmco KS4gSXQgcGxhY2VzIHRoZQpjYW5jZWxsYXRpb24gYWZ0ZXIgdGhlIGhhcmR3YXJlIGlzIHF1aWVz Y2VkIHRvIGVuc3VyZSB0aGUgd29ya2VyIGlzIG5vdApyZS1hcm1lZCBieSBuZXcgaW50ZXJydXB0 cy4KCj4gZGlmZiAtLWdpdCBhL2RyaXZlcnMvc3RhZ2luZy9tZWRpYS9tZXNvbi92ZGVjL3ZkZWMu YyBiL2RyaXZlcnMvc3RhZ2luZy9tZWRpYS9tZXNvbi92ZGVjL3ZkZWMuYwo+IGluZGV4IGEwMzlk OTI1YzBmZTUuLjc0YjQ0ZjdmN2FkN2MgMTAwNjQ0Cj4gLS0tIGEvZHJpdmVycy9zdGFnaW5nL21l ZGlhL21lc29uL3ZkZWMvdmRlYy5jCj4gKysrIGIvZHJpdmVycy9zdGFnaW5nL21lZGlhL21lc29u L3ZkZWMvdmRlYy5jCj4gQEAgLTQxOSw2ICs0MTksMTYgQEAgc3RhdGljIHZvaWQgdmRlY19zdG9w X3N0cmVhbWluZyhzdHJ1Y3QgdmIyX3F1ZXVlICpxKQo+ICAJCXNlc3MtPnN0YXR1cyA9IFNUQVRV U19TVE9QUEVEOwo+ICAJfQoKW1NldmVyaXR5OiBIaWdoXQpUaGlzIGlzbid0IGEgYnVnIGludHJv ZHVjZWQgYnkgdGhpcyBwYXRjaCwgYnV0IGRvZXMga3RocmVhZF9zdG9wKCkgaGFuZGxlCmVycm9y cyBzYWZlbHkgaGVyZT8KCkVhcmxpZXIgaW4gdmRlY19zdG9wX3N0cmVhbWluZygpLCB0aGUgY29k ZSBjYWxsczoKCiAgICBrdGhyZWFkX3N0b3Aoc2Vzcy0+cmVjeWNsZV90aHJlYWQpOwoKSW4gdmRl Y19zdGFydF9zdHJlYW1pbmcoKSwgc2Vzcy0+cmVjeWNsZV90aHJlYWQgaXMgaW5pdGlhbGl6ZWQg d2l0aAprdGhyZWFkX3J1bigpLCBidXQgdGhlIHJldHVybiB2YWx1ZSBpc24ndCBjaGVja2VkIGZv ciBFUlJfUFRSLgoKSWYgdGhyZWFkIGNyZWF0aW9uIGZhaWxzLCBrdGhyZWFkX3N0b3AoKSB3aWxs IGF0dGVtcHQgdG8gZGVyZWZlcmVuY2UgdGhlCmludmFsaWQgcG9pbnRlciwgcmVzdWx0aW5nIGlu IGEgZmF0YWwgcGFnZSBmYXVsdC4KCj4gIAo+ICsJLyoKPiArCSAqIFRoZSBlc3BhcnNlcl9xdWV1 ZV93b3JrIHdvcmtlciBkZXJlZmVyZW5jZXMgc2Vzcy0+bTJtX2N0eCBhbmQKPiArCSAqIHNlc3Mt PmxvY2suIFRoZSBoYXJkd2FyZSAoYW5kIGl0cyBJUlEsIHdoaWNoIHJlLWFybXMgdGhlIHdvcmsg dmlhCj4gKwkgKiBhbXZkZWNfYnVmX2RvbmUoKSkgaGFzIGJlZW4gcXVpZXNjZWQgYnkgdmRlY19w b3dlcm9mZigpIGFib3ZlLCBzbwoKW1NldmVyaXR5OiBIaWdoXQpUaGlzIGlzIGEgcHJlLWV4aXN0 aW5nIGlzc3VlLCBidXQgZG9lcyB2ZGVjX3Bvd2Vyb2ZmKCkgc2FmZWx5IHF1aWVzY2UgdGhlCmhh cmR3YXJlIHdoaWxlIHRoZSB3b3JrZXIgaXMgc3RpbGwgcnVubmluZz8KCnZkZWNfc3RvcF9zdHJl YW1pbmcoKSBjYWxscyB2ZGVjX3Bvd2Vyb2ZmKCkgYmVmb3JlIHdlIGNhbmNlbCB0aGUgd29yay4K VGhlIHdvcmtlciB0aHJlYWQgZXNwYXJzZXJfcXVldWVfYWxsX3NyYygpIGNhbiBibG9jayBpbiBl c3BhcnNlcl93cml0ZV9kYXRhKCkKZm9yIHVwIHRvIDIwMG1zLgoKU2luY2UgdmRlY19wb3dlcm9m ZigpIGRpc2FibGVzIGhhcmR3YXJlIGNsb2NrcyB3aXRob3V0IGhvbGRpbmcgc2Vzcy0+bG9jaywK dGhlIHdvcmtlciBjb3VsZCB3YWtlIHVwIGFuZCBhdHRlbXB0IHRvIHdyaXRlIHRvIFBBUlNFUl9G RVRDSF9DTUQgd2hpbGUKY2xvY2tzIGFyZSBkaXNhYmxlZC4gQ2FuIHRoaXMgY2F1c2UgYW4gYXN5 bmNocm9ub3VzIGV4dGVybmFsIGFib3J0IGFuZCBwYW5pYz8KCj4gKwkgKiBubyBuZXcgd29yayBj YW4gYmUgc2NoZWR1bGVkIHBhc3QgdGhpcyBwb2ludC4gbTJtX2N0eCBpcyBzdGlsbAo+ICsJICog dmFsaWQgaGVyZS4gV2FpdCBmb3IgYW55IGluLWZsaWdodCB3b3JrZXIgdG8gZmluaXNoIGJlZm9y ZSB0aGUKPiArCSAqIGJ1ZmZlcnMgYW5kIChvbiB0aGUgY2xvc2UgcGF0aCkgbTJtX2N0eCBhcmUg dG9ybiBkb3duLgo+ICsJICovCj4gKwljYW5jZWxfd29ya19zeW5jKCZzZXNzLT5lc3BhcnNlcl9x dWV1ZV93b3JrKTsKCltTZXZlcml0eTogQ3JpdGljYWxdClRoaXMgaXMgYSBwcmUtZXhpc3Rpbmcg aXNzdWUsIGJ1dCBpcyBjYW5jZWxfd29ya19zeW5jKCkgc3VmZmljaWVudCB3aXRob3V0CnN5bmNo cm9uaXppbmcgSVJRcyBmaXJzdD8KCldoaWxlIHZkZWNfcG93ZXJvZmYoKSBzdG9wcyBuZXcgaGFy ZHdhcmUgSVJRcywgaXQgZG9lcyBub3QgY2FsbApzeW5jaHJvbml6ZV9pcnEoKS4KCklmIHRoZSB0 aHJlYWRlZCBJUlEgaGFuZGxlciAodmRlY190aHJlYWRlZF9pc3IpIGlzIGFscmVhZHkgc2NoZWR1 bGVkIGFuZApkZWxheWVkLCBpdCBjYW4gZXhlY3V0ZSBjb25jdXJyZW50bHkgb3IgYWZ0ZXIgdGhp cyBjYW5jZWxsYXRpb24uClRoZSBJU1Igd291bGQgdGhlbiBjYWxsIGRzdF9idWZfZG9uZSgpLCB3 aGljaCBpbnZva2VzOgoKICAgIHNjaGVkdWxlX3dvcmsoJnNlc3MtPmVzcGFyc2VyX3F1ZXVlX3dv cmspOwoKQ291bGQgdGhpcyByZS1hcm0gdGhlIHdvcmtlciBhZnRlciBjYW5jZWxfd29ya19zeW5j KCkgaGFzIGNvbXBsZXRlZCwKbGVhZGluZyB0byBhIHNlY29uZCB1c2UtYWZ0ZXItZnJlZSB3aGVu IHRoZSB3b3JrZXIgbGF0ZXIgZGVyZWZlcmVuY2VzCnRoZSBmcmVlZCBzZXNzLT5tMm1fY3R4PwoK WyAuLi4gXQoKQWRkaXRpb25hbGx5LCBJIG5vdGljZWQgYSBjb3VwbGUgb2Ygb3RoZXIgcHJlLWV4 aXN0aW5nIGlzc3VlcyBpbiB0aGlzIGZpbGU6CgpbU2V2ZXJpdHk6IEhpZ2hdClRoaXMgaXMgYSBw cmUtZXhpc3RpbmcgaXNzdWUsIGJ1dCBkb2VzIHZkZWNfY2xvc2UoKSBsZWFrIHRoZSBWNEwyIGNv bnRyb2wKaGFuZGxlcj8KCnZkZWNfb3BlbigpIGluaXRpYWxpemVzIHNlc3MtPmN0cmxfaGFuZGxl ciB2aWEgdmRlY19pbml0X2N0cmxzKCkgYW5kCnY0bDJfY3RybF9oYW5kbGVyX2luaXQoKSwgYWxs b2NhdGluZyBtZW1vcnkgZm9yIHRoZSBjb250cm9scy4KCkhvd2V2ZXIsIHZkZWNfY2xvc2UoKSBk b2VzIG5vdCBmcmVlIGl0OgoKdmRlY19jbG9zZSgpIHsKICAgIC4uLgogICAgdjRsMl9tMm1fY3R4 X3JlbGVhc2Uoc2Vzcy0+bTJtX2N0eCk7CiAgICB2NGwyX20ybV9yZWxlYXNlKHNlc3MtPm0ybV9k ZXYpOwogICAgdjRsMl9maF9kZWwoJnNlc3MtPmZoLCBmaWxlKTsKICAgIHY0bDJfZmhfZXhpdCgm c2Vzcy0+ZmgpOwogICAgLi4uCn0KClNpbmNlIHRoZSBWNEwyIGNvcmUgZG9lcyBub3QgYXV0b21h dGljYWxseSBmcmVlIGNvbnRyb2wgaGFuZGxlcnMgZHVyaW5nCnY0bDJfZmhfZXhpdCgpLCBpcyB0 aGlzIG1lbW9yeSBsZWFrZWQgZXZlcnkgdGltZSBhIGRldmljZSBpcyBjbG9zZWQ/CgpbU2V2ZXJp dHk6IEhpZ2hdClRoaXMgaXMgYSBwcmUtZXhpc3RpbmcgaXNzdWUsIGJ1dCBkb2VzIHRoZSBlcnJv ciBwYXRoIGluCnZkZWNfc3RhcnRfc3RyZWFtaW5nKCkgbGVhayBzZXNzLT5wcml2PwoKSW4gdmRl Y19zdGFydF9zdHJlYW1pbmcoKSwgdmRlY19wb3dlcm9uKCkgYWxsb2NhdGVzIHNlc3MtPnByaXYg dmlhCmxvYWRfZXh0ZW5kZWRfZmlybXdhcmUoKSAoZm9yIGV4YW1wbGUsIGFsbG9jYXRpbmcgc3Ry dWN0IGNvZGVjX2gyNjQpLgoKSWYgYSBzdWJzZXF1ZW50IGluaXRpYWxpemF0aW9uIHN0ZXAgZmFp bHMsIHRoZSBlcnJvciBwYXRoIGNhbGxzIHRoZSBjb2RlYydzCnN0b3Agcm91dGluZToKCnZkZWNf c3RhcnRfc3RyZWFtaW5nKCkgewogICAgLi4uCiAgICByZXQgPSB2ZGVjX3Bvd2Vyb24oc2Vzcyk7 CiAgICBpZiAocmV0KQogICAgICAgIGdvdG8gdmlmaWZvX2ZyZWU7CiAgICAuLi4KfQoKVGhlIHN0 b3Agcm91dGluZSAoZS5nLiBjb2RlY19oMjY0X3N0b3ApIGNsZWFucyB1cCBETUEgbWVtb3J5IGJ1 dCBmYWlscyB0bwprZnJlZSgpIHRoZSBjb2RlYyBzdHJ1Y3R1cmUgaXRzZWxmLgoKQmVjYXVzZSB0 aGUgc3RyZWFtIG5ldmVyIHN0YXJ0cywgdmRlY19zdG9wX3N0cmVhbWluZygpIGlzIG5ldmVyIGlu dm9rZWQuCkRvZXMgdGhpcyBsZWF2ZSBzZXNzLT5wcml2IHBlcm1hbmVudGx5IGxlYWtlZD8KCi0t IApTYXNoaWtvIEFJIHJldmlldyDCtyBodHRwczovL3Nhc2hpa28uZGV2LyMvcGF0Y2hzZXQvMjAy NjA2MTUxNDA1MjkuNTI2NTMtMS1kb3J1a0Awc2VjLmFpP3BhcnQ9MQoKX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KbGludXgtYW1sb2dpYyBtYWlsaW5nIGxp c3QKbGludXgtYW1sb2dpY0BsaXN0cy5pbmZyYWRlYWQub3JnCmh0dHA6Ly9saXN0cy5pbmZyYWRl YWQub3JnL21haWxtYW4vbGlzdGluZm8vbGludXgtYW1sb2dpYwo=