pull in upstream fix for CVE-2021-36217 (#1989381,#1989382)
This commit is contained in:
Rex Dieter
parent
7a071ce071
commit
bee2e8d2f1
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@ -0,0 +1,151 @@
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From 9d31939e55280a733d930b15ac9e4dda4497680c Mon Sep 17 00:00:00 2001
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From: Tommi Rantala <tommi.t.rantala@nokia.com>
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Date: Mon, 8 Feb 2021 11:04:43 +0200
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Subject: [PATCH 16/16] Fix NULL pointer crashes from #175
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avahi-daemon is crashing when running "ping .local".
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The crash is due to failing assertion from NULL pointer.
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Add missing NULL pointer checks to fix it.
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Introduced in #175 - merge commit 8f75a045709a780c8cf92a6a21e9d35b593bdecd
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---
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avahi-core/browse-dns-server.c | 5 ++++-
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avahi-core/browse-domain.c | 5 ++++-
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avahi-core/browse-service-type.c | 3 +++
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avahi-core/browse-service.c | 3 +++
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avahi-core/browse.c | 3 +++
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avahi-core/resolve-address.c | 5 ++++-
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avahi-core/resolve-host-name.c | 5 ++++-
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avahi-core/resolve-service.c | 5 ++++-
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8 files changed, 29 insertions(+), 5 deletions(-)
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diff --git a/avahi-core/browse-dns-server.c b/avahi-core/browse-dns-server.c
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index 049752e..c2d914f 100644
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--- a/avahi-core/browse-dns-server.c
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+++ b/avahi-core/browse-dns-server.c
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@@ -343,7 +343,10 @@ AvahiSDNSServerBrowser *avahi_s_dns_server_browser_new(
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AvahiSDNSServerBrowser* b;
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b = avahi_s_dns_server_browser_prepare(server, interface, protocol, domain, type, aprotocol, flags, callback, userdata);
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+ if (!b)
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+ return NULL;
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+
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avahi_s_dns_server_browser_start(b);
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return b;
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-}
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\ No newline at end of file
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+}
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diff --git a/avahi-core/browse-domain.c b/avahi-core/browse-domain.c
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index f145d56..06fa70c 100644
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--- a/avahi-core/browse-domain.c
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+++ b/avahi-core/browse-domain.c
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@@ -253,7 +253,10 @@ AvahiSDomainBrowser *avahi_s_domain_browser_new(
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AvahiSDomainBrowser *b;
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b = avahi_s_domain_browser_prepare(server, interface, protocol, domain, type, flags, callback, userdata);
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+ if (!b)
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+ return NULL;
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+
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avahi_s_domain_browser_start(b);
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return b;
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-}
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\ No newline at end of file
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+}
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diff --git a/avahi-core/browse-service-type.c b/avahi-core/browse-service-type.c
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index fdd22dc..b1fc7af 100644
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--- a/avahi-core/browse-service-type.c
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+++ b/avahi-core/browse-service-type.c
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@@ -171,6 +171,9 @@ AvahiSServiceTypeBrowser *avahi_s_service_type_browser_new(
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AvahiSServiceTypeBrowser *b;
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b = avahi_s_service_type_browser_prepare(server, interface, protocol, domain, flags, callback, userdata);
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+ if (!b)
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+ return NULL;
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+
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avahi_s_service_type_browser_start(b);
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return b;
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diff --git a/avahi-core/browse-service.c b/avahi-core/browse-service.c
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index 5531360..63e0275 100644
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--- a/avahi-core/browse-service.c
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+++ b/avahi-core/browse-service.c
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@@ -184,6 +184,9 @@ AvahiSServiceBrowser *avahi_s_service_browser_new(
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AvahiSServiceBrowser *b;
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b = avahi_s_service_browser_prepare(server, interface, protocol, service_type, domain, flags, callback, userdata);
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+ if (!b)
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+ return NULL;
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+
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avahi_s_service_browser_start(b);
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return b;
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diff --git a/avahi-core/browse.c b/avahi-core/browse.c
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index 2941e57..e8a915e 100644
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--- a/avahi-core/browse.c
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+++ b/avahi-core/browse.c
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@@ -634,6 +634,9 @@ AvahiSRecordBrowser *avahi_s_record_browser_new(
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AvahiSRecordBrowser *b;
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b = avahi_s_record_browser_prepare(server, interface, protocol, key, flags, callback, userdata);
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+ if (!b)
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+ return NULL;
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+
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avahi_s_record_browser_start_query(b);
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return b;
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diff --git a/avahi-core/resolve-address.c b/avahi-core/resolve-address.c
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index ac0b29b..e61dd24 100644
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--- a/avahi-core/resolve-address.c
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+++ b/avahi-core/resolve-address.c
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@@ -286,7 +286,10 @@ AvahiSAddressResolver *avahi_s_address_resolver_new(
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AvahiSAddressResolver *b;
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b = avahi_s_address_resolver_prepare(server, interface, protocol, address, flags, callback, userdata);
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+ if (!b)
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+ return NULL;
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+
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avahi_s_address_resolver_start(b);
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return b;
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-}
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\ No newline at end of file
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+}
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diff --git a/avahi-core/resolve-host-name.c b/avahi-core/resolve-host-name.c
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index 808b0e7..4e8e597 100644
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--- a/avahi-core/resolve-host-name.c
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+++ b/avahi-core/resolve-host-name.c
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@@ -318,7 +318,10 @@ AvahiSHostNameResolver *avahi_s_host_name_resolver_new(
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AvahiSHostNameResolver *b;
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b = avahi_s_host_name_resolver_prepare(server, interface, protocol, host_name, aprotocol, flags, callback, userdata);
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+ if (!b)
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+ return NULL;
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+
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avahi_s_host_name_resolver_start(b);
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return b;
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-}
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\ No newline at end of file
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+}
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diff --git a/avahi-core/resolve-service.c b/avahi-core/resolve-service.c
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index 66bf3ca..4377176 100644
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--- a/avahi-core/resolve-service.c
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+++ b/avahi-core/resolve-service.c
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@@ -519,7 +519,10 @@ AvahiSServiceResolver *avahi_s_service_resolver_new(
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AvahiSServiceResolver *b;
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b = avahi_s_service_resolver_prepare(server, interface, protocol, name, type, domain, aprotocol, flags, callback, userdata);
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+ if (!b)
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+ return NULL;
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+
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avahi_s_service_resolver_start(b);
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return b;
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-}
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\ No newline at end of file
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+}
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--
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2.31.1
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@ -45,7 +45,7 @@
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Name: avahi
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Version: 0.8
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Release: 13%{?dist}
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Release: 14%{?dist}
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Summary: Local network service discovery
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License: LGPLv2+
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URL: http://avahi.org
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@ -129,6 +129,7 @@ Patch8: 0008-Ship-avahi-discover-1-bssh-1-and-bvnc-1-also-for-GTK.patch
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Patch9: 0009-fix-requires-in-pc-file.patch
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Patch10: 0010-fix-bytestring-decoding-for-proper-display.patch
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Patch11: 0011-avahi_dns_packet_consume_uint32-fix-potential-undefi.patch
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Patch16: 0016-Fix-NULL-pointer-crashes-from-175.patch
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## downstream patches
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Patch100: avahi-0.6.30-mono-libdir.patch
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@ -824,6 +825,9 @@ exit 0
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%changelog
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* Tue Aug 03 2021 Rex Dieter <rdieter@fedoraproject.org> - 0.8-14
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- pull in upstream fix for CVE-2021-36217 (#1989381,#1989382)
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* Wed Jul 21 2021 Fedora Release Engineering <releng@fedoraproject.org> - 0.8-13
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- Rebuilt for https://fedoraproject.org/wiki/Fedora_35_Mass_Rebuild
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