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Fix DAV backend crashes caused by extra unref

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Resolves: #2066717
This commit is contained in:
Ondrej Holy 2022-03-24 10:03:20 +01:00
parent 9499b2505a
commit 73532ee75d
2 changed files with 37 additions and 1 deletions
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30
dav-Fix-crashes-caused-by-extra-unref.patch Normal file
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@ -0,0 +1,30 @@
From 2b5e3453ee0ab504eeecb8dbe76015e98ccbfcfb Mon Sep 17 00:00:00 2001
From: Ondrej Holy <oholy@redhat.com>
Date: Wed, 23 Mar 2022 16:23:49 +0100
Subject: [PATCH] dav: Fix crashes caused by extra unref
The `mount_base` uri is unreffed twice. First time over the local `mount_base`
pointer and for the second time over the `G_VFS_BACKEND_HTTP (backend)->mount_base`
pointer. This leads to `SIGABRT` from the `__pthread_kill_implementation`
function. Let's remove that extra unref to fix this crashes.
Fixes: https://bugzilla.redhat.com/show_bug.cgi?id=2066717
---
daemon/gvfsbackenddav.c | 1 -
1 file changed, 1 deletion(-)
diff --git a/daemon/gvfsbackenddav.c b/daemon/gvfsbackenddav.c
index 559b8657..f9d10a40 100644
--- a/daemon/gvfsbackenddav.c
+++ b/daemon/gvfsbackenddav.c
@@ -2224,7 +2224,6 @@ do_mount (GVfsBackend *backend,
tmp = mount_base;
mount_base = dav_uri_dup_with (mount_base, last_good_path, NULL);
g_uri_unref (tmp);
- g_clear_pointer (&G_VFS_BACKEND_HTTP (backend)->mount_base, g_uri_unref);
G_VFS_BACKEND_HTTP (backend)->mount_base = mount_base;
g_free (last_good_path);
--
2.35.1

8
gvfs.spec
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@ -22,13 +22,16 @@
Name: gvfs
Version: 1.50.0
Release: 1%{?dist}
Release: 2%{?dist}
Summary: Backends for the gio framework in GLib
License: GPLv3 and LGPLv2+ and BSD and MPLv2.0
URL: https://wiki.gnome.org/Projects/gvfs
Source0: https://download.gnome.org/sources/gvfs/1.50/gvfs-%{version}.tar.xz
# https://bugzilla.redhat.com/show_bug.cgi?id=2066717
Patch0: dav-Fix-crashes-caused-by-extra-unref.patch
BuildRequires: meson
BuildRequires: gcc
BuildRequires: pkgconfig(glib-2.0) >= %{glib2_version}
@ -421,6 +424,9 @@ killall -USR1 gvfsd >&/dev/null || :
%{_datadir}/installed-tests
%changelog
* Thu Mar 24 2022 Ondrej Holy <oholy@redhat.com> - 1.50.0-2
- Fix DAV backend crashes caused by extra unref (#2066717)
* Fri Mar 18 2022 David King <amigadave@amigadave.com> - 1.50.0-1
- Update to 1.50.0