From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-ej1-f50.google.com (mail-ej1-f50.google.com [209.85.218.50]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 3903920E71C for ; Mon, 21 Jul 2025 09:54:57 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.218.50 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1753091698; cv=none; b=uxxlhM5M5huVfbCnqhu68scZ30HehQFM+sgAVR5UeCcYPTMTTQvInhLuqexIEDC89wUe5qyTZ6Fcv4xVCccDCeTeJtIJRbP7HPPJHhefePE9hKJzCG4/5QsN/gtjFm+yAOyJbUlPJxut0nmvJIIi1CuszgOww0FJJ+fAnz1mGpQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1753091698; c=relaxed/simple; bh=cz2blj75RaGzE2cTF8Co6ANwDdR71vKh8R8NStjskDY=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=FMprr6lLT8uebTk1yd7gHbK7NeOJ1G2N2lXkk3tOin4MKo1wwdHT6igl8V2EFHtElsx/0fBsEwbPaq3NYdkv4ARP7/MwuvjyuVpXbTc7wDGxjvXBuWrujISfdgBGACDtGfXKfTGvLseExkDPhOdJ8Dcgyr6IkMOfI8eN7k7dUBc= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=I0T/+Nw3; arc=none smtp.client-ip=209.85.218.50 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="I0T/+Nw3" Received: by mail-ej1-f50.google.com with SMTP id a640c23a62f3a-aec5a714ae9so500678766b.3 for ; Mon, 21 Jul 2025 02:54:56 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1753091695; x=1753696495; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to; bh=UcTQ7GVi3lCtbPOV9mHnECzth1uHtBaGV+6dnil2z3s=; b=I0T/+Nw3tAmDtecm8cUDCzpehij72LST4iq3yWGyCr2F94I3wefLC01BygFRb5QCrc LfakFsQ7jkicvL5m5IG63+DN6fy2GyLQHlUhXo+KFIsOD/7S6aSY71+ZziBvZcTvzVf9 2OaloohzsgixoBzKCvbOhILi6mannYx/oAsEK687AtLexqsI18uNjzUFOcvdeVuf1u9D mzR70pYL63hirFZWdL05V9PWjDh6naiul7Dww6ZuR6wp74roYQ3BU9GBzmhG/qC8g51D zodonXUKB7FzxbfBT2joeUMdRGxIiWOcQ3iuA5KayK1+9NGrUII7xUWITT0b0KniBTQr 1ZQg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1753091695; x=1753696495; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=UcTQ7GVi3lCtbPOV9mHnECzth1uHtBaGV+6dnil2z3s=; b=UHgF39l95bm4ddX8ok+fKDrlMxIf87Fz5pvepJdmBcjgWMfTFZ/cRHspf3zHLEGi1u F6XIYwb6YPOvo3ovbqO9WRkvKJu+PzaHfhdn0OTUr4/4dgvobbTE/QQxkW3RxqObnh9a LzW1sDCZvhDs8bzY89RHfq0QUvWHZAfVkK/kgp7KWP/TBkjdKd6uYwIMPz1r0jyqhrNd yABIQEwSUzSFXKdDVvIBUe6z+5rVa1pUtCEk2wBBuwklUZE5nD4YyS4GnYJr46xy+1CY m/xT/zFq1vMABpKqEniVyb+PxPp3ULkyq+wrSsvGyBwkbRJWLnLv/fi61+gW8HO6etQt reYA== X-Gm-Message-State: AOJu0YzF1W3/D868rAlqoBz7cnO61hF/wo4uIuvEoh+AdrY7Ayb9ES2Q tEFfbhCOkynmt4CJ5l77l+ljhqoQ7FDKUTlIytqTbO1wTzxmx0JndMbus75obw== X-Gm-Gg: ASbGncugKdLQloZW0m2S9t1DDIt6ttfV/PNj6WXoPtUH3jHB9zOqB0TfaJYduiaTpB6 90mnzqmMpLamaXikwuTORL9Lm7jxQbURwYHD8zsyz73oYtk9IStwgsBR5SQ6Cp8jr+GtwKHSpaC UTrP5iYD3PmDovDSy8ExI5PwA8G6F+E1ucQQCS6tgeP7+SaeOlLQbJ7dAm/ZYq1iYTF4OOYCf3O ZNzc6SAx4B9B9tD6FDo1Gz337bqB1QRtiF9y3M5ulVcJxJyACqLc7esLNhMz38oL39uYTIcXks9 AU0vvUXAvvVA7onVxSl5DLwAoMoy8X9kG9tgCnJZvhuJifuyP0hSaeQykIO92g8dKX3lCiGzyQK VaLkdDirH6jf3vfzT X-Google-Smtp-Source: AGHT+IET7zdPuvcCVJlQv2c5idm0G023LDDwkmvgAxpVkgBDMDSKjFH9hJzSWg7xprMk4gaZwW4Gjg== X-Received: by 2002:a17:907:c290:b0:ae9:876a:4f14 with SMTP id a640c23a62f3a-ae9c9ba50a9mr1890331166b.59.1753091694949; Mon, 21 Jul 2025 02:54:54 -0700 (PDT) Received: from 127.com ([2620:10d:c092:600::1:23d3]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-aec6caf6c00sm647506466b.157.2025.07.21.02.54.54 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 21 Jul 2025 02:54:54 -0700 (PDT) From: Pavel Begunkov To: io-uring@vger.kernel.org Cc: asml.silence@gmail.com, dw@davidwei.uk Subject: [PATCH for-next 0/3] zcrx accounting fixes Date: Mon, 21 Jul 2025 10:56:19 +0100 Message-ID: X-Mailer: git-send-email 2.49.0 Precedence: bulk X-Mailing-List: io-uring@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit A follow up on Dan's report + patch up possible page leaks in io_zcrx_free_area(). Pavel Begunkov (3): io_uring/zcrx: fix null ifq on area destruction io_uring/zcrx: don't leak pages on account failure io_uring/zcrx: fix leaking pages on sg init fail io_uring/zcrx.c | 15 +++++++-------- 1 file changed, 7 insertions(+), 8 deletions(-) -- 2.49.0