From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id BE4C03BB13B; Fri, 7 Aug 2026 15:08:46 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1786115326; cv=none; b=uPQ4ai5kgChU6c5wY3GXa3KYAXbdc1k27yCh8RLKn11ecgUPl51YJlU50P2RAFCVe5nw0EHxukLmlcfv37KJA+ZkJ+OrS7YxbYtk4JB7qG7kvcQzx0T+WfFUnbB/FfSaO+gDJJnz6bBsjjWZMcLJynkGbNw2RmI4PpaPBLHdBhc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1786115326; c=relaxed/simple; bh=rfl+0bj3ozQ4jj2fALkGdxM4esoHCSqn0jTUim8FZZ0=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=YTKTaopO/qAx0vJuChBaSTTqbQwvI4dbw2V6bFZKUFMQNk9toSkKFieai5bT05kH8Ono4k4x/wkYE9YguWY+WGuR+JJJMJyK3+nz6JefjOWoskfFCwwwAeirAjK/pXElK24Pkru2l6ppn39hfHEmPnAjsCFcbSAJXQCJHSrJCt8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=JThhUhKz; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="JThhUhKz" Received: by smtp.kernel.org (Postfix) with ESMTPS id 7EC08C19425; Fri, 7 Aug 2026 15:08:46 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1786115326; bh=rfl+0bj3ozQ4jj2fALkGdxM4esoHCSqn0jTUim8FZZ0=; h=From:Date:Subject:References:In-Reply-To:To:Cc:Reply-To:From; b=JThhUhKzKr9ujeb96Z0zig1S+o9FKL6NAk3sBY8YRyQatJ0fFXEgjV3VncZTVezXG +sXVbYmXKlQOQUfI+pFzYNd/c32pTmez5U+oVNhXTSXMljTd2ZtXvHQPZrD5OGLbNb tHVAiKUTkefQ62Fc9uXc9N4vHTE1n4xUuJNNZNb6IEhNwOTYhP3nyyzFslQsAfrRrN jg7ra+HanfZoyH/KMujaXdKrdIBgqJYUpL+xXAI1EdQJ5jhcVaFlxX85LLFyXArmzi sl/pGLwKZt3qZXE9/HboBxrtw0Vek1dRDWd+f7J3BeReRp+/jByPlVtUbNmUkSPDFB /hnKZv56kRhvQ== Received: from aws-us-west-2-korg-lkml-1.web.codeaurora.org (localhost.localdomain [127.0.0.1]) by smtp.lore.kernel.org (Postfix) with ESMTP id 5E293C2A09B; Fri, 7 Aug 2026 15:08:46 +0000 (UTC) From: Michalis Niarchos via B4 Relay Date: Fri, 07 Aug 2026 17:08:36 +0200 Subject: [PATCH 2/2] perf kvm: Fix memory leak in cmd_kvm() Precedence: bulk X-Mailing-List: linux-perf-users@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20260807-perf-kvm-leaks-v1-2-7b5e2f97905a@gmail.com> References: <20260807-perf-kvm-leaks-v1-0-7b5e2f97905a@gmail.com> In-Reply-To: <20260807-perf-kvm-leaks-v1-0-7b5e2f97905a@gmail.com> To: Peter Zijlstra , Ingo Molnar , Arnaldo Carvalho de Melo , Namhyung Kim , Mark Rutland , Alexander Shishkin , Jiri Olsa , Ian Rogers , Adrian Hunter , James Clark Cc: linux-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org, Michalis Niarchos X-Mailer: b4 0.15.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1786115324; l=579; i=michael.niarchos@gmail.com; s=20260731; h=from:subject:message-id; bh=bQ7xS4XFaVpnKKpn8MtN9GGFSGILFZ8PV3h9QmDPDm4=; b=ZEL/sEM4aOyQHDXYLa183cP3yfbP/aR9Z7x09kFLrR2Opvj8qjGUEqwryW1+OOYzK+dKokOBk B5H70klsqtcDuizvPnu7Msy4jezVygI2JVsfjBtKg1wapQNWaADsjF2 X-Developer-Key: i=michael.niarchos@gmail.com; a=ed25519; pk=/LBZRQzfuxTnSaZhgZE8EP7mHr0poyqlKeFssNqkzFE= X-Endpoint-Received: by B4 Relay for michael.niarchos@gmail.com/20260731 with auth_id=912 X-Original-From: Michalis Niarchos Reply-To: michael.niarchos@gmail.com From: Michalis Niarchos Set the thread private data destructor. Signed-off-by: Michalis Niarchos --- tools/perf/builtin-kvm.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/tools/perf/builtin-kvm.c b/tools/perf/builtin-kvm.c index 8e7bc7b2db18..21cb16b10f91 100644 --- a/tools/perf/builtin-kvm.c +++ b/tools/perf/builtin-kvm.c @@ -2149,6 +2149,8 @@ int cmd_kvm(int argc, const char **argv) if (!argc) usage_with_options(kvm_usage, kvm_options); + thread__set_priv_destructor(free); + if (!perf_host) perf_guest = 1; -- 2.55.0 From mboxrd@z Thu Jan 1 00:00:00 1970 From: Michalis Niarchos Date: Fri, 07 Aug 2026 17:08:36 +0200 Subject: [PATCH 2/2] perf kvm: Fix memory leak in cmd_kvm() MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20260807-perf-kvm-leaks-v1-2-7b5e2f97905a@gmail.com> References: <20260807-perf-kvm-leaks-v1-0-7b5e2f97905a@gmail.com> In-Reply-To: <20260807-perf-kvm-leaks-v1-0-7b5e2f97905a@gmail.com> To: Peter Zijlstra , Ingo Molnar , Arnaldo Carvalho de Melo , Namhyung Kim , Mark Rutland , Alexander Shishkin , Jiri Olsa , Ian Rogers , Adrian Hunter , James Clark Cc: linux-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org, Michalis Niarchos X-Mailer: b4 0.15.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1786115324; l=579; i=michael.niarchos@gmail.com; s=20260731; h=from:subject:message-id; bh=bQ7xS4XFaVpnKKpn8MtN9GGFSGILFZ8PV3h9QmDPDm4=; b=ZEL/sEM4aOyQHDXYLa183cP3yfbP/aR9Z7x09kFLrR2Opvj8qjGUEqwryW1+OOYzK+dKokOBk B5H70klsqtcDuizvPnu7Msy4jezVygI2JVsfjBtKg1wapQNWaADsjF2 X-Developer-Key: i=michael.niarchos@gmail.com; a=ed25519; pk=/LBZRQzfuxTnSaZhgZE8EP7mHr0poyqlKeFssNqkzFE= X-Endpoint-Received: by B4 Relay for michael.niarchos@gmail.com/20260731 with auth_id=912 List-Id: B4 Relay Submissions Set the thread private data destructor. Signed-off-by: Michalis Niarchos --- tools/perf/builtin-kvm.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/tools/perf/builtin-kvm.c b/tools/perf/builtin-kvm.c index 8e7bc7b2db18..21cb16b10f91 100644 --- a/tools/perf/builtin-kvm.c +++ b/tools/perf/builtin-kvm.c @@ -2149,6 +2149,8 @@ int cmd_kvm(int argc, const char **argv) if (!argc) usage_with_options(kvm_usage, kvm_options); + thread__set_priv_destructor(free); + if (!perf_host) perf_guest = 1; -- 2.55.0