File spice-app-avoid-crash-when-core-spice-mo.patch of Package qemu

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File spice-app-avoid-crash-when-core-spice-mo.patch of Package qemu (Revision 3aa35e04ec0f931d08c86a512e6c4202)

Currently displaying revision 3aa35e04ec0f931d08c86a512e6c4202 , Show latest

From: Bruce Rogers <brogers@suse.com>
Date: Mon, 25 Jan 2021 21:05:05 -0700
Subject: spice-app: avoid crash when core spice module isn't loaded

When qemu is built with modules, but a given module doesn't load
qemu should handle that gracefully. When ui-spice-core.so isn't
able to be loaded and qemu is invoked with -display spice-app or
-spice, qemu will dereference a null pointer. With this change we
check the pointer before dereferencing and error out in a normal
way.

Signed-off-by: Bruce Rogers <brogers@suse.com>
---
 ui/spice-app.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/ui/spice-app.c b/ui/spice-app.c
index 026124ef56a0ef26fbe3cf0a1aba..8ded9024a376da5c4802c1f87fd7 100644
--- a/ui/spice-app.c
+++ b/ui/spice-app.c
@@ -129,6 +129,7 @@ static void spice_app_atexit(void)
 static void spice_app_display_early_init(DisplayOptions *opts)
 {
     QemuOpts *qopts;
+    QemuOptsList *list;
     GError *err = NULL;
 
     if (opts->has_full_screen) {
@@ -159,11 +160,16 @@ static void spice_app_display_early_init(DisplayOptions *opts)
             exit(1);
         }
     }
+    list = qemu_find_opts("spice");
+    if (list == NULL) {
+        error_report("spice-app missing spice support\n");
+	exit(1);
+    }
 
     type_register(&char_vc_type_info);
 
     sock_path = g_strjoin("", app_dir, "/", "spice.sock", NULL);
-    qopts = qemu_opts_create(qemu_find_opts("spice"), NULL, 0, &error_abort);
+    qopts = qemu_opts_create(list, NULL, 0, &error_abort);
     qemu_opt_set(qopts, "disable-ticketing", "on", &error_abort);
     qemu_opt_set(qopts, "unix", "on", &error_abort);
     qemu_opt_set(qopts, "addr", sock_path, &error_abort);

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File spice-app-avoid-crash-when-core-spice-mo.patch of Package qemu (Revision 3aa35e04ec0f931d08c86a512e6c4202)

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