From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from relay.smtp-ext.broadcom.com (lpdvsmtp09.broadcom.com [192.19.166.228]) (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 EA81638D687; Fri, 24 Jul 2026 21:47:55 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.19.166.228 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784929678; cv=none; b=KxOCey92k/UibBTv8Htno+EYQp9RFIQTwfksNC5/BxK7+m+dPIBHELA5U2Q0qtUxSgWJ9dayoY46BTXW/A8ezryGfB9NzXo5klsCNw1d5H8Ov0bIP86FyL6ZvBcYHkpYVTDXymx4bUxP3ZJzc4KYv1dkMkqFmsYeUqJlhOcS53E= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784929678; c=relaxed/simple; bh=WeY6EXWLASPU5s4Pi3iS3gMMXxDyW++YTi7U1oRTEl4=; h=From:To:Cc:Subject:Date:Message-Id:MIME-Version; b=pU/JupUXGlx4eWOt/oBmzkx3TktP+jG6fe9hl/h2e4ZRYMHErMHMim5QRlT2c1dS+AZgQ6rVz9jNRXHeuHFcXAbZGZUcJhbST/gxm+u3f9Q87qeUPO2wJ0MzRcPIXkkRHdPWqgoM22nIR/BuJCAJMNbLEhmAZIBXR/7i83xsaxk= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=broadcom.com; spf=fail smtp.mailfrom=broadcom.com; dkim=pass (1024-bit key) header.d=broadcom.com header.i=@broadcom.com header.b=BaWmbRWz; arc=none smtp.client-ip=192.19.166.228 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=broadcom.com Authentication-Results: smtp.subspace.kernel.org; spf=fail smtp.mailfrom=broadcom.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=broadcom.com header.i=@broadcom.com header.b="BaWmbRWz" Received: from mail-lvn-it-01.broadcom.com (mail-lvn-it-01.lvn.broadcom.net [10.36.132.253]) by relay.smtp-ext.broadcom.com (Postfix) with ESMTP id 41717C0000FA; Fri, 24 Jul 2026 14:41:21 -0700 (PDT) DKIM-Filter: OpenDKIM Filter v2.11.0 relay.smtp-ext.broadcom.com 41717C0000FA DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=broadcom.com; s=dkimrelay; t=1784929281; bh=WeY6EXWLASPU5s4Pi3iS3gMMXxDyW++YTi7U1oRTEl4=; h=From:To:Cc:Subject:Date:From; b=BaWmbRWz2li0YD34PDN3e0Mj+sEwGhWboDX3sY/fqc0Kwd1jp8fibwt3kqmyRjbXj 7vzE2m61rE+cy+C4NfMEz3BN8ebpb8tNMGxlnN5zB+jvheM3uZLH/bAp/1uMLT9x+n xgEhEpsGAaqwiS84y1iYFd4RfgEdkbLqEfhhsPvw= Received: from stbirv-lnx-1.igp.broadcom.net (stbirv-lnx-1.igp.broadcom.net [10.67.48.32]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mail-lvn-it-01.broadcom.com (Postfix) with ESMTPSA id 0ED55ACD; Fri, 24 Jul 2026 14:41:21 -0700 (PDT) From: Florian Fainelli To: stable@vger.kernel.org Cc: Florian Fainelli , Richard Weinberger , Anton Ivanov , Johannes Berg , Brendan Higgins , David Gow , Rae Moar , Kees Cook , Jens Axboe , Al Viro , Tiwei Bie , linux-um@lists.infradead.org (open list:USER-MODE LINUX (UML)), linux-kernel@vger.kernel.org (open list), linux-kselftest@vger.kernel.org (open list:KERNEL UNIT TESTING FRAMEWORK (KUnit)), kunit-dev@googlegroups.com (open list:KERNEL UNIT TESTING FRAMEWORK (KUnit)), bcm-kernel-feedback-list@broadcom.com Subject: [PATCH stable 6.12 0/9] Kunit backports for older systems Date: Fri, 24 Jul 2026 14:41:10 -0700 Message-Id: <20260724214119.1066665-1-florian.fainelli@broadcom.com> X-Mailer: git-send-email 2.34.1 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit This patch series addresses an issue we encountered on older Ubuntu 20.04.6 LTS servers whereby running Kunit would not return to a prompt and it would not be possible to Ctrl-C the running session either. Benjamin Berg (2): um: Set parent death signal for winch thread/process um: Set parent death signal for userspace process David Gow (1): kunit: tool: Terminate kernel under test on SIGINT Shuvam Pandey (1): kunit: tool: skip stty when stdin is not a tty Tiwei Bie (5): um: Add os_set_pdeathsig helper function um: Use os_set_pdeathsig helper in winch thread/process um: Set parent-death signal for ubd io thread/process um: Set parent-death signal for write_sigio thread/process um: Preserve errno within signal handler arch/um/drivers/chan_user.c | 2 ++ arch/um/drivers/ubd_kern.c | 1 + arch/um/include/shared/os.h | 2 ++ arch/um/os-Linux/process.c | 6 ++++ arch/um/os-Linux/sigio.c | 1 + arch/um/os-Linux/signal.c | 3 ++ arch/um/os-Linux/skas/process.c | 3 ++ tools/testing/kunit/kunit_kernel.py | 39 +++++++++++++++++------- tools/testing/kunit/kunit_tool_test.py | 42 ++++++++++++++++++++++++++ 9 files changed, 88 insertions(+), 11 deletions(-) -- 2.34.1