From patchwork Tue Jul 18 14:31:44 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andrew Burgess X-Patchwork-Id: 55930 Return-Path: X-Original-To: patchwork@sourceware.org Delivered-To: patchwork@sourceware.org Received: from server2.sourceware.org (localhost [IPv6:::1]) by sourceware.org (Postfix) with ESMTP id BF38C385C6DF for ; Tue, 18 Jul 2023 14:32:30 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org BF38C385C6DF DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sourceware.org; s=default; t=1689690750; bh=1CE/Zu6YTXVMVQWzA5jSxJ5ALH4dUazQvxYJTK8MXpI=; h=To:Cc:Subject:Date:List-Id:List-Unsubscribe:List-Archive: List-Post:List-Help:List-Subscribe:From:Reply-To:From; b=oNE5DXXe7nu1yyGHOznhp8PqyntSbxuvUVVIk5ea8rnaE8T9dF0Ek6CUZPdNW2mTq KowBYx/npwNEpTgX1fvbJ9XitWovqqUeHMPS/oWS8gcWjB9FDh8VZ2fDhgXSxYcePR zWQ4uuiUgD8TaH30Ekl6k00B1Rgb8TU+Pq0n6YRQ= X-Original-To: gdb-patches@sourceware.org Delivered-To: gdb-patches@sourceware.org Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) by sourceware.org (Postfix) with ESMTPS id 3F112385773C for ; Tue, 18 Jul 2023 14:32:06 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org 3F112385773C Received: from mail-wr1-f72.google.com (mail-wr1-f72.google.com [209.85.221.72]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-482-Cem82HtAN8Czyyn4BkOmfw-1; Tue, 18 Jul 2023 10:31:56 -0400 X-MC-Unique: Cem82HtAN8Czyyn4BkOmfw-1 Received: by mail-wr1-f72.google.com with SMTP id ffacd0b85a97d-314275b653eso3222251f8f.1 for ; Tue, 18 Jul 2023 07:31:52 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1689690711; x=1692282711; 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=1CE/Zu6YTXVMVQWzA5jSxJ5ALH4dUazQvxYJTK8MXpI=; b=AB+g5Xo8lN+WHcr5osnIcu9s+01Zq2DK8OyzCz7Mn3e3DC2CgGh7vPASSAyGgVSZ56 GjEqHeDnfAVJCZ/a1wFgpWo+r67vGM1HM4+LN+DP95dEUpjE5200cYUM8T0lOQ/HoFbq 0PfdE3lqF5FDxSbFl2y78DEYKYJvbDz+cMND04+za3ERaL5l8UnxyxffXa8AqGQVdeOn AKDcCYcjV64LxPrcIU2yzYGxHDhrRSpZIt6PgFOr6ELbKag/35nxw6L17DqzWJVmQmU/ C1XtjoJKTAf4dL99rOlK8Wjaxw62Ls9G1lD+IR1Ikqar/GRzPO+zrOiT+GErXe39dcVJ u6yg== X-Gm-Message-State: ABy/qLaz619m2gRwO7MQsrSZAwZTiIGv3PqSjY13gAc8wvy52gXFOeGi MpPJxTwCXlvt8J9Ava2sM+pGJFfODJxe3VoSz7hM3LLSycBpoulYt1b/zx25IDNkbryidL4ekvX G3BkHbfFjWVMGq9WuEJ/M27apJtIAfhLMVgPPOldh58wsNSJz5owBaaspycilKI0PrwbY4mLP0q 1wW14TYA== X-Received: by 2002:a5d:5303:0:b0:313:f2b3:af73 with SMTP id e3-20020a5d5303000000b00313f2b3af73mr12477859wrv.25.1689690710928; Tue, 18 Jul 2023 07:31:50 -0700 (PDT) X-Google-Smtp-Source: APBJJlHtF1vHjZWYH8eUoJ94O0Lb3VdhNbLkX6H3xgHrT431IpT+dHdMG6qaDcgsCRWkQA/nOT1Kqw== X-Received: by 2002:a5d:5303:0:b0:313:f2b3:af73 with SMTP id e3-20020a5d5303000000b00313f2b3af73mr12477837wrv.25.1689690710502; Tue, 18 Jul 2023 07:31:50 -0700 (PDT) Received: from localhost (93.72.115.87.dyn.plus.net. [87.115.72.93]) by smtp.gmail.com with ESMTPSA id d6-20020adff2c6000000b0030fd03e3d25sm2584208wrp.75.2023.07.18.07.31.49 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 18 Jul 2023 07:31:49 -0700 (PDT) To: gdb-patches@sourceware.org Cc: Andrew Burgess Subject: [PATCH 0/2] Exit during detach Date: Tue, 18 Jul 2023 15:31:44 +0100 Message-Id: X-Mailer: git-send-email 2.25.4 MIME-Version: 1.0 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com X-Spam-Status: No, score=-2.8 required=5.0 tests=BAYES_00, DKIMWL_WL_HIGH, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, RCVD_IN_BARRACUDACENTRAL, RCVD_IN_DNSWL_NONE, RCVD_IN_MSPIKE_H4, RCVD_IN_MSPIKE_WL, SPF_HELO_NONE, SPF_NONE, TXREP, T_SCC_BODY_TEXT_LINE autolearn=no autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org X-BeenThere: gdb-patches@sourceware.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Gdb-patches mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-Patchwork-Original-From: Andrew Burgess via Gdb-patches From: Andrew Burgess Reply-To: Andrew Burgess Errors-To: gdb-patches-bounces+patchwork=sourceware.org@sourceware.org Sender: "Gdb-patches" Ran into an issue in non-stop mode where an exit arriving during a detach would cause GDB to crash. --- Andrew Burgess (2): gdb: fix possible nullptr dereference in a remote_debug_printf call gdb: handle main thread exiting during detach gdb/linux-nat.c | 19 ++- gdb/remote.c | 23 ++- .../main-thread-exit-during-detach.c | 59 ++++++++ .../main-thread-exit-during-detach.exp | 143 ++++++++++++++++++ gdbserver/mem-break.cc | 7 + 5 files changed, 241 insertions(+), 10 deletions(-) create mode 100644 gdb/testsuite/gdb.threads/main-thread-exit-during-detach.c create mode 100644 gdb/testsuite/gdb.threads/main-thread-exit-during-detach.exp base-commit: b26b06dd42fbd9a75eebb4c943bf55a88562b81f