28 lines
877 B
Diff
28 lines
877 B
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: =?UTF-8?q?Alberts=20Muktup=C4=81vels?= <alberts.muktupavels@gmail.com>
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Date: Tue, 20 Sep 2022 15:40:22 +0300
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Subject: [PATCH] handle: avoid segfault in invalidate_icons
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Screens variable won't be initialized if default icon sizes are
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set/changed before using wnck_screen_get_default.
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https://bugs.launchpad.net/ubuntu/+source/libwnck3/+bug/1990263
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---
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libwnck/wnck-handle.c | 3 +++
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1 file changed, 3 insertions(+)
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diff --git a/libwnck/wnck-handle.c b/libwnck/wnck-handle.c
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index e12ff8825045..8d5da45c8787 100644
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--- a/libwnck/wnck-handle.c
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+++ b/libwnck/wnck-handle.c
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@@ -70,6 +70,9 @@ invalidate_icons (WnckHandle *self)
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Display *xdisplay;
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int i;
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+ if (self->screens == NULL)
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+ return;
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+
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xdisplay = _wnck_get_default_display ();
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for (i = 0; i < ScreenCount (xdisplay); ++i)
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