Signed-off-by: Ross Burton <ross.bur...@arm.com> --- meta/recipes-connectivity/avahi/avahi_0.8.bb | 1 + .../avahi/files/local-ping.patch | 152 ++++++++++++++++++ 2 files changed, 153 insertions(+) create mode 100644 meta/recipes-connectivity/avahi/files/local-ping.patch
diff --git a/meta/recipes-connectivity/avahi/avahi_0.8.bb b/meta/recipes-connectivity/avahi/avahi_0.8.bb index 4302310888..79ce669a3e 100644 --- a/meta/recipes-connectivity/avahi/avahi_0.8.bb +++ b/meta/recipes-connectivity/avahi/avahi_0.8.bb @@ -25,6 +25,7 @@ SRC_URI = "https://github.com/lathiat/avahi/releases/download/v${PV}/avahi-${PV} file://initscript.patch \ file://0001-Fix-opening-etc-resolv.conf-error.patch \ file://handle-hup.patch \ + file://local-ping.patch \ " UPSTREAM_CHECK_URI = "https://github.com/lathiat/avahi/releases/"; diff --git a/meta/recipes-connectivity/avahi/files/local-ping.patch b/meta/recipes-connectivity/avahi/files/local-ping.patch new file mode 100644 index 0000000000..94116ad1f3 --- /dev/null +++ b/meta/recipes-connectivity/avahi/files/local-ping.patch @@ -0,0 +1,152 @@ +CVE: CVE-2021-36217 +Upstream-Status: Backport +Signed-off-by: Ross Burton <ross.bur...@arm.com> + +From 9d31939e55280a733d930b15ac9e4dda4497680c Mon Sep 17 00:00:00 2001 +From: Tommi Rantala <tommi.t.rant...@nokia.com> +Date: Mon, 8 Feb 2021 11:04:43 +0200 +Subject: [PATCH] Fix NULL pointer crashes from #175 + +avahi-daemon is crashing when running "ping .local". +The crash is due to failing assertion from NULL pointer. +Add missing NULL pointer checks to fix it. + +Introduced in #175 - merge commit 8f75a045709a780c8cf92a6a21e9d35b593bdecd +--- + avahi-core/browse-dns-server.c | 5 ++++- + avahi-core/browse-domain.c | 5 ++++- + avahi-core/browse-service-type.c | 3 +++ + avahi-core/browse-service.c | 3 +++ + avahi-core/browse.c | 3 +++ + avahi-core/resolve-address.c | 5 ++++- + avahi-core/resolve-host-name.c | 5 ++++- + avahi-core/resolve-service.c | 5 ++++- + 8 files changed, 29 insertions(+), 5 deletions(-) + +diff --git a/avahi-core/browse-dns-server.c b/avahi-core/browse-dns-server.c +index 049752e9..c2d914fa 100644 +--- a/avahi-core/browse-dns-server.c ++++ b/avahi-core/browse-dns-server.c +@@ -343,7 +343,10 @@ AvahiSDNSServerBrowser *avahi_s_dns_server_browser_new( + AvahiSDNSServerBrowser* b; + + b = avahi_s_dns_server_browser_prepare(server, interface, protocol, domain, type, aprotocol, flags, callback, userdata); ++ if (!b) ++ return NULL; ++ + avahi_s_dns_server_browser_start(b); + + return b; +-} +\ No newline at end of file ++} +diff --git a/avahi-core/browse-domain.c b/avahi-core/browse-domain.c +index f145d56a..06fa70c0 100644 +--- a/avahi-core/browse-domain.c ++++ b/avahi-core/browse-domain.c +@@ -253,7 +253,10 @@ AvahiSDomainBrowser *avahi_s_domain_browser_new( + AvahiSDomainBrowser *b; + + b = avahi_s_domain_browser_prepare(server, interface, protocol, domain, type, flags, callback, userdata); ++ if (!b) ++ return NULL; ++ + avahi_s_domain_browser_start(b); + + return b; +-} +\ No newline at end of file ++} +diff --git a/avahi-core/browse-service-type.c b/avahi-core/browse-service-type.c +index fdd22dcd..b1fc7af8 100644 +--- a/avahi-core/browse-service-type.c ++++ b/avahi-core/browse-service-type.c +@@ -171,6 +171,9 @@ AvahiSServiceTypeBrowser *avahi_s_service_type_browser_new( + AvahiSServiceTypeBrowser *b; + + b = avahi_s_service_type_browser_prepare(server, interface, protocol, domain, flags, callback, userdata); ++ if (!b) ++ return NULL; ++ + avahi_s_service_type_browser_start(b); + + return b; +diff --git a/avahi-core/browse-service.c b/avahi-core/browse-service.c +index 5531360c..63e0275a 100644 +--- a/avahi-core/browse-service.c ++++ b/avahi-core/browse-service.c +@@ -184,6 +184,9 @@ AvahiSServiceBrowser *avahi_s_service_browser_new( + AvahiSServiceBrowser *b; + + b = avahi_s_service_browser_prepare(server, interface, protocol, service_type, domain, flags, callback, userdata); ++ if (!b) ++ return NULL; ++ + avahi_s_service_browser_start(b); + + return b; +diff --git a/avahi-core/browse.c b/avahi-core/browse.c +index 2941e579..e8a915e9 100644 +--- a/avahi-core/browse.c ++++ b/avahi-core/browse.c +@@ -634,6 +634,9 @@ AvahiSRecordBrowser *avahi_s_record_browser_new( + AvahiSRecordBrowser *b; + + b = avahi_s_record_browser_prepare(server, interface, protocol, key, flags, callback, userdata); ++ if (!b) ++ return NULL; ++ + avahi_s_record_browser_start_query(b); + + return b; +diff --git a/avahi-core/resolve-address.c b/avahi-core/resolve-address.c +index ac0b29b1..e61dd242 100644 +--- a/avahi-core/resolve-address.c ++++ b/avahi-core/resolve-address.c +@@ -286,7 +286,10 @@ AvahiSAddressResolver *avahi_s_address_resolver_new( + AvahiSAddressResolver *b; + + b = avahi_s_address_resolver_prepare(server, interface, protocol, address, flags, callback, userdata); ++ if (!b) ++ return NULL; ++ + avahi_s_address_resolver_start(b); + + return b; +-} +\ No newline at end of file ++} +diff --git a/avahi-core/resolve-host-name.c b/avahi-core/resolve-host-name.c +index 808b0e72..4e8e5973 100644 +--- a/avahi-core/resolve-host-name.c ++++ b/avahi-core/resolve-host-name.c +@@ -318,7 +318,10 @@ AvahiSHostNameResolver *avahi_s_host_name_resolver_new( + AvahiSHostNameResolver *b; + + b = avahi_s_host_name_resolver_prepare(server, interface, protocol, host_name, aprotocol, flags, callback, userdata); ++ if (!b) ++ return NULL; ++ + avahi_s_host_name_resolver_start(b); + + return b; +-} +\ No newline at end of file ++} +diff --git a/avahi-core/resolve-service.c b/avahi-core/resolve-service.c +index 66bf3cae..43771763 100644 +--- a/avahi-core/resolve-service.c ++++ b/avahi-core/resolve-service.c +@@ -519,7 +519,10 @@ AvahiSServiceResolver *avahi_s_service_resolver_new( + AvahiSServiceResolver *b; + + b = avahi_s_service_resolver_prepare(server, interface, protocol, name, type, domain, aprotocol, flags, callback, userdata); ++ if (!b) ++ return NULL; ++ + avahi_s_service_resolver_start(b); + + return b; +-} +\ No newline at end of file ++} -- 2.25.1
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