From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.openvz.org (mail.openvz.org [69.168.225.77]) by lore.virtuozzo.com (Postfix) with ESMTPS id 6A03681001 for ; Thu, 29 Oct 2026 17:07:38 +0000 (UTC) Received: from mail.openvz.org (localhost [127.0.0.1]) by mail.openvz.org (8.14.4/8.14.4) with ESMTP id 69TH6Skx002649; Thu, 29 Oct 2026 20:06:28 +0300 DKIM-Filter: OpenDKIM Filter v2.11.0 mail.openvz.org 69TH6Skx002649 Authentication-Results: mail.openvz.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=virtuozzo.com header.i=@virtuozzo.com header.b="kOs3Lev5" Received: from mail-wm1-f69.google.com (mail-wm1-f69.google.com [209.85.128.69]) by mail.openvz.org (8.14.4/8.14.4) with ESMTP id 69TH6K6G002624 (version=TLSv1/SSLv3 cipher=AES128-GCM-SHA256 bits=128 verify=FAIL) for ; Thu, 29 Oct 2026 20:06:20 +0300 DKIM-Filter: OpenDKIM Filter v2.11.0 mail.openvz.org 69TH6K6G002624 Received: by mail-wm1-f69.google.com with SMTP id 5b1f17b1804b1-4a1895ffc83so16564185e9.3 for ; Thu, 29 Oct 2026 10:06:20 -0700 (PDT) X-Gm-Message-State: AFq9FYJ2lNUlNy1rQ2WmjdI62fRdfSslDLTkCtOC2tcphPSDM/FPZ4X5 yauywtRMvYlb5e8/ktkwMhSTe8fUVgjARgXLiC9qPN1sq9Tbpq1t2O/vJA2F/6N33qHxRRmFijN YA4mwSFITaz2MWBZgms3q2WvcE3yQ+TduqWK5Ov/+W8DK2LFtudKfug== X-Gm-Gg: AYBFou2PhoBKXPebli8Uz9dwRyvBX3qqOIewFDidAHcBKbTN6riH//cjykvDjImnxYK eJaLFWqU7vGhECRUekqra36C6QGxWM5DVT9YTW7FA0UwjHXaUs1J7VrNkllHyllnyY7yGzzQFYP /Z7Ngok9qLRYIoOShmaGip5oyuRHPI5OT6wSDEXL5IY9zeBek0KGfJ5iWam4NuQeDwgtQQgdm5F Rg8IOWwQk77ACXWKigeQwPAMjgSZU05yOYxQRQUdiaqTc9PB4my3U8VdkP2Yd71YA//dVHe5i7E yK/rDD63HPCldlpO2TA3sry2aFn45TY5mNbCAh3OcZuF+LpW6AVwbO6yEXGGIHmrPiOaYYortJo e8oe+wa9rSRHsgDZYPwMS+Dmx X-Received: by 2002:a05:600c:4592:b0:4a1:e92b:ae4a with SMTP id 5b1f17b1804b1-4a966f209efmr140882545e9.21.1793293580214; Thu, 29 Oct 2026 10:06:20 -0700 (PDT) X-Received: by 2002:a05:600c:4592:b0:4a1:e92b:ae4a with SMTP id 5b1f17b1804b1-4a966f209efmr140881995e9.21.1793293579716; Thu, 29 Oct 2026 10:06:19 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1793293579; cv=none; d=google.com; s=arc-20260327; b=JkFJgtNwE8/3OOvQ9FcuSooM1k5CDJ7WFcy0vKlXCkbu9xUT5OJ/INWL9JfWvk1YZr vJMTtvctgg00iU6Or0W2qieyX5QKLZAiFow6BGZIrn02ez48jOwKyMtkfPb4UEvL5Zds IE8M226w3GpL2a64vmm8KrwfuJ35wWtxEzNq3XK+N31eLQZTioAnq9VvkYvcVZhwju8S 5H0csQw15Dw4NIdIXROF1/ueFSeV0WFvcObmP+m6zHdzz24o6gacK4BuyLYVpim/+J+Y obN8sQJIuk7Tf2b5RPuumCYIBBYBacmJ1JTeSAA1K778GdGnzbtGgkZTmuJ9N1SSTiXk YCWg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20260327; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:dkim-signature; bh=1d5NJb6K0ZF0twWu4lV6a0jh/scPzOtIOSXCH/6G6HQ=; fh=WpT6aB7RBAGHZeWZzqAr71yzRFbPTYkPWKsRagLn48Q=; b=OPD3Xu/dKkH2D0EB1RGyo+WgXL1Ga1fWT8MlOQ6l+yCZBETyoMFkIY/E0Dzw4XF1jj CcMbExc1FqlUiaeoOjLhxGk5nh882TycppdFWMM3y7gpR0k4Zc8YtMVUHG8OuFLY3VdJ cko2TLYFPBjEXQ6ORJ1bKMBIR2SedK6EhukZoRoozvLGjMWxtv2P2x2lICaHRyX1ORGv 4doe2SsX1ytZmzqDTct8bwRqg4eeVhgTQjHTQhzVN6y6gU9OhpTw0Ya1QcGACHIYYsDa xWSRli4CqTKiUwG1IUE0ra9e44bq4zkuwyr2zYA9vRbyCsJ/2UXpcbj5v/Qa9LGCDasx FjJA==; dara=google.com ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@virtuozzo.com header.s=relay header.b=kOs3Lev5; spf=pass (google.com: domain of eva.kurchatova@virtuozzo.com designates 130.117.225.111 as permitted sender) smtp.mailfrom=eva.kurchatova@virtuozzo.com; dmarc=pass (p=QUARANTINE sp=QUARANTINE dis=NONE) header.from=virtuozzo.com Received: from relay.virtuozzo.com (relay.virtuozzo.com. [130.117.225.111]) by mx.google.com with ESMTPS id ffacd0b85a97d-48e6df47a9dsi434449f8f.295.2026.10.29.10.06.19 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 29 Oct 2026 10:06:19 -0700 (PDT) Received-SPF: pass (google.com: domain of eva.kurchatova@virtuozzo.com designates 130.117.225.111 as permitted sender) client-ip=130.117.225.111; Authentication-Results: mx.google.com; dkim=pass header.i=@virtuozzo.com header.s=relay header.b=kOs3Lev5; spf=pass (google.com: domain of eva.kurchatova@virtuozzo.com designates 130.117.225.111 as permitted sender) smtp.mailfrom=eva.kurchatova@virtuozzo.com; dmarc=pass (p=QUARANTINE sp=QUARANTINE dis=NONE) header.from=virtuozzo.com DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=virtuozzo.com; s=relay; h=MIME-Version:Message-ID:Date:Subject:From: Content-Type; bh=1d5NJb6K0ZF0twWu4lV6a0jh/scPzOtIOSXCH/6G6HQ=; b=kOs3Lev5JwwZ L9VFEB9Qi7a495UGKiLJS4FwtyNn9VS6lshkv9+IquFipJfV0SIxZb9LSa+wc/LzfWtzurtO0Xrlk GateWbIKooqtPOLO8Nscqc4gJe63FykJcOKhfi2GRKSS/4uiMjXT6tSg5AB7DAGcRiKPzAgeD2zWT OPXzMfh1ML8v3E8aavZ6Zz7l1YIfE7VZM6ZL8eHuKFW2dRQQ9xas58c4IMsqk8J5qfsOrTcXWT+sb brmVtRkfJGZQ9yp4gQI2oWgUHmWwPI+m96NmlCQOOD9YNWMxJCUJRR0FJQrgJtr5JdGmgiXxRUfAd UDz929Md91RMMl3B9ZYPhw==; Received: from ch-vpn.virtuozzo.com ([130.117.225.6] helo=LekKit-T14) by relay.virtuozzo.com with esmtp (Exim 4.96) (envelope-from ) id 1xMTWB-00AgPw-1S; Thu, 29 Oct 2026 18:06:17 +0100 From: Eva Kurchatova To: khorenko@virtuozzo.com Date: Thu, 29 Oct 2026 19:04:36 +0200 Message-ID: <20261029170613.1649335-3-eva.kurchatova@virtuozzo.com> X-Mailer: git-send-email 2.56.0 In-Reply-To: <20261029170613.1649335-1-eva.kurchatova@virtuozzo.com> References: <20261029170613.1649335-1-eva.kurchatova@virtuozzo.com> MIME-Version: 1.0 X-OZ-Fwd: true Cc: devel@openvz.org Subject: [Devel] [PATCH hci-8.1 v2 2/2] ms/um: Set parent death signal for userspace process X-BeenThere: devel@openvz.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: OpenVZ development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: devel-bounces@openvz.org Errors-To: devel-bounces@openvz.org From: Benjamin Berg Enable PR_SET_PDEATHSIG so that the UML userspace process will be killed when the kernel exits unexpectedly. Signed-off-by: Benjamin Berg Link: https://patch.msgid.link/20240919124511.282088-4-benjamin@sipsolutions.net Signed-off-by: Johannes Berg (cherry picked from commit 801e00d3a1b78b7f71675fae79946ff4aa3ee070) Rebase note: the userspace process is set up differenly before commit 32e8eaf263d9 ("um: use execveat to create userspace MMs"), whith this tree lacks, so set parent death signal up in userspace_tramp() rather than in the stub executable. https://virtuozzo.atlassian.net/browse/VSTOR-143633 Feature: fix ms/um Signed-off-by: Eva Kurchatova --- arch/um/os-Linux/skas/process.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/arch/um/os-Linux/skas/process.c b/arch/um/os-Linux/skas/process.c index b6f656bcffb1..cca016b0b29b 100644 --- a/arch/um/os-Linux/skas/process.c +++ b/arch/um/os-Linux/skas/process.c @@ -214,6 +214,9 @@ static int userspace_tramp(void *stack) (unsigned long) stub_segv_handler - (unsigned long) __syscall_stub_start; + /* Make sure this process dies if the kernel dies */ + os_set_pdeathsig(); + ptrace(PTRACE_TRACEME, 0, 0, 0); signal(SIGTERM, SIG_DFL); -- 2.56.0 _______________________________________________ Devel mailing list Devel@openvz.org https://lists.openvz.org/mailman/listinfo/devel