ee3db5a602
The content of this branch was automatically imported from Fedora ELN with the following as its source: https://src.fedoraproject.org/rpms/libreport#aa4f8872d751f1dae5e6b73da5ecb6441b00b28f
67 lines
2.3 KiB
Diff
67 lines
2.3 KiB
Diff
From 1a22f30187163ce288b14e55a80539353a38b7be Mon Sep 17 00:00:00 2001
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From: =?UTF-8?q?Mat=C4=9Bj=20Grabovsk=C3=BD?= <mgrabovs@redhat.com>
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Date: Tue, 29 Sep 2020 14:16:00 +0200
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Subject: [PATCH 1/2] gui-wizard-gtk: Fix segfault
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Since show_error_as_msgbox() is specified as the custom logging handler
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(via setting libreport_g_custom_logger), it will get called if an error
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occurs in libreport_save_user_settings(). However, at that point,
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g_wnd_assistant has already been destroyed, which leads to an invalid
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read in show_error_as_msgbox().
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This change unsets the custom logging handler after the GUI is destroyed
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and adds an assertion in show_error_as_msgbox() checking that
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g_wnd_assistant is not a null pointer.
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Resolves https://bugzilla.redhat.com/show_bug.cgi?id=1883337
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---
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src/gui-wizard-gtk/main.c | 6 ++++--
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src/gui-wizard-gtk/wizard.c | 2 ++
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2 files changed, 6 insertions(+), 2 deletions(-)
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diff --git a/src/gui-wizard-gtk/main.c b/src/gui-wizard-gtk/main.c
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index e111948c..f094c5fb 100644
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--- a/src/gui-wizard-gtk/main.c
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+++ b/src/gui-wizard-gtk/main.c
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@@ -125,6 +125,7 @@ int main(int argc, char **argv)
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/* List of events specified on the command line. */
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GList *user_event_list = NULL;
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const char *prgname = "abrt";
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+ int ret = 0;
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abrt_init(argv);
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/* I18n */
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@@ -217,13 +218,14 @@ int main(int argc, char **argv)
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g_signal_connect(app, "startup", G_CALLBACK(startup_wizard), NULL);
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/* Enter main loop */
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- g_application_run(G_APPLICATION(app), argc, argv);
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+ ret = g_application_run(G_APPLICATION(app), argc, argv);
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g_object_unref(app);
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+ libreport_g_custom_logger = NULL;
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if (opts & OPT_d)
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delete_dump_dir_possibly_using_abrtd(g_dump_dir_name);
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libreport_save_user_settings();
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- return 0;
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+ return ret;
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}
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diff --git a/src/gui-wizard-gtk/wizard.c b/src/gui-wizard-gtk/wizard.c
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index 775b709f..c4a0b4c0 100644
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--- a/src/gui-wizard-gtk/wizard.c
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+++ b/src/gui-wizard-gtk/wizard.c
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@@ -360,6 +360,8 @@ struct dump_dir *wizard_open_directory_for_writing(const char *dump_dir_name)
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void show_error_as_msgbox(const char *msg)
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{
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+ g_return_if_fail(g_wnd_assistant != NULL);
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+
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GtkWidget *dialog = gtk_message_dialog_new(GTK_WINDOW(g_wnd_assistant),
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GTK_DIALOG_DESTROY_WITH_PARENT,
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GTK_MESSAGE_WARNING,
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--
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2.26.2
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