fix: Enable debug flag for ubsan.

Otherwise the nullability annotations are compiled out in attributes.h.

.circleci/cmake-ubsan

@@ -6,6 +6,7 @@ CACHEDIR="$HOME/cache"
 
 . ".github/scripts/flags-$CC.sh"
 add_flag -Werror
+add_flag -D_DEBUG
 add_flag -fdiagnostics-color=always
 add_flag -fno-omit-frame-pointer
 add_flag -fno-sanitize-recover=all

other/bootstrap_daemon/docker/tox-bootstrapd.sha256

@@ -1 +1 @@
-949fc78e9b46da0ea6929c64263767b563012cc1ea0205fb89466422477326ab  /usr/local/bin/tox-bootstrapd
+3c31e0cef0463b0a37bb21c5322c1a219314404b2a93193f4fba49f901a9dfb6  /usr/local/bin/tox-bootstrapd

toxcore/BUILD.bazel

@@ -369,6 +369,7 @@ cc_test(
 
 cc_fuzz_test(
     name = "DHT_fuzz_test",
+    size = "small",
     srcs = ["DHT_fuzz_test.cc"],
     corpus = ["//tools/toktok-fuzzer/corpus:DHT_fuzz_test"],
     deps = [
@@ -408,6 +409,7 @@ cc_library(
 
 cc_fuzz_test(
     name = "forwarding_fuzz_test",
+    size = "small",
     srcs = ["forwarding_fuzz_test.cc"],
     #corpus = ["//tools/toktok-fuzzer/corpus:forwarding_fuzz_test"],
     deps = [
@@ -606,6 +608,7 @@ cc_library(
 
 cc_fuzz_test(
     name = "group_announce_fuzz_test",
+    size = "small",
     srcs = ["group_announce_fuzz_test.cc"],
     #corpus = ["//tools/toktok-fuzzer/corpus:group_announce_fuzz_test"],
     deps = [
@@ -709,6 +712,7 @@ cc_test(
 
 cc_fuzz_test(
     name = "group_moderation_fuzz_test",
+    size = "small",
     srcs = ["group_moderation_fuzz_test.cc"],
     corpus = ["//tools/toktok-fuzzer/corpus:group_moderation_fuzz_test"],
     deps = [
@@ -865,6 +869,7 @@ cc_test(
 
 cc_fuzz_test(
     name = "tox_events_fuzz_test",
+    size = "small",
     srcs = ["tox_events_fuzz_test.cc"],
     corpus = ["//tools/toktok-fuzzer/corpus:tox_events_fuzz_test"],
     deps = [

toxcore/Messenger.c

@@ -757,6 +757,20 @@ int m_set_statusmessage(Messenger *m, const uint8_t *status, uint16_t length)
     return 0;
 }
 
+static Userstatus userstatus_from_int(uint8_t status)
+{
+    switch (status) {
+        case 0:
+            return USERSTATUS_NONE;
+        case 1:
+            return USERSTATUS_AWAY;
+        case 2:
+            return USERSTATUS_BUSY;
+        default:
+            return USERSTATUS_INVALID;
+    }
+}
+
 int m_set_userstatus(Messenger *m, uint8_t status)
 {
     if (status >= USERSTATUS_INVALID) {
@@ -767,7 +781,7 @@ int m_set_userstatus(Messenger *m, uint8_t status)
         return 0;
     }
 
-    m->userstatus = (Userstatus)status;
+    m->userstatus = userstatus_from_int(status);
 
     for (uint32_t i = 0; i < m->numfriends; ++i) {
         m->friendlist[i].userstatus_sent = false;
@@ -923,7 +937,7 @@ static int set_friend_statusmessage(const Messenger *m, int32_t friendnumber, co
 non_null()
 static void set_friend_userstatus(const Messenger *m, int32_t friendnumber, uint8_t status)
 {
-    m->friendlist[friendnumber].userstatus = (Userstatus)status;
+    m->friendlist[friendnumber].userstatus = userstatus_from_int(status);
 }
 
 non_null()
@@ -2081,9 +2095,9 @@ static int m_handle_packet_userstatus(Messenger *m, const int i, const uint8_t *
         return 0;
     }
 
-    const Userstatus status = (Userstatus)data[0];
+    const Userstatus status = userstatus_from_int(data[0]);
 
-    if (status >= USERSTATUS_INVALID) {
+    if (status == USERSTATUS_INVALID) {
         return 0;
     }
 
@@ -3622,7 +3636,9 @@ Messenger *new_messenger(Mono_Time *mono_time, const Memory *mem, const Random *
     m->onion = new_onion(m->log, m->mem, m->mono_time, m->rng, m->dht);
     m->onion_a = new_onion_announce(m->log, m->mem, m->rng, m->mono_time, m->dht);
     m->onion_c = new_onion_client(m->log, m->mem, m->rng, m->mono_time, m->net_crypto);
+    if (m->onion_c != nullptr) {
         m->fr_c = new_friend_connections(m->log, m->mono_time, m->ns, m->onion_c, options->local_discovery_enabled);
+    }
 
     if ((options->dht_announcements_enabled && (m->forwarding == nullptr || m->announce == nullptr)) ||
             m->onion == nullptr || m->onion_a == nullptr || m->onion_c == nullptr || m->fr_c == nullptr) {

toxcore/attributes.h

@@ -18,7 +18,7 @@
 #define GNU_PRINTF(f, a)
 #endif
 
-#if defined(__GNUC__) && defined(_DEBUG) && !defined(__OPTIMIZE__)
+#if defined(__GNUC__) && defined(_DEBUG)
 #define non_null(...) __attribute__((__nonnull__(__VA_ARGS__)))
 #else
 #define non_null(...)

toxcore/crypto_core_test.cc

@@ -79,7 +79,8 @@ TEST(CryptoCore, Signatures)
 
     EXPECT_TRUE(create_extended_keypair(pk.data(), sk.data()));
 
-    std::vector<uint8_t> message;
+    std::vector<uint8_t> message{0};
+    message.clear();
 
     // Try a few different sizes, including empty 0 length message.
     for (uint8_t i = 0; i < 100; ++i) {
@@ -101,7 +102,8 @@ TEST(CryptoCore, Hmac)
     HmacKey sk;
     new_hmac_key(rng, sk.data());
 
-    std::vector<uint8_t> message;
+    std::vector<uint8_t> message{0};
+    message.clear();
 
     // Try a few different sizes, including empty 0 length message.
     for (uint8_t i = 0; i < 100; ++i) {

toxcore/group_announce_test.cc

@@ -50,8 +50,10 @@ TEST_F(Announces, CanBeCreatedAndDeleted)
     GC_Public_Announce ann{};
     ann.chat_public_key[0] = 0x88;
     ASSERT_NE(gca_add_announce(mono_time_, gca_, &ann), nullptr);
+#ifndef _DEBUG
     ASSERT_EQ(gca_add_announce(mono_time_, gca_, nullptr), nullptr);
     ASSERT_EQ(gca_add_announce(mono_time_, nullptr, &ann), nullptr);
+#endif
 }
 
 TEST_F(Announces, AnnouncesCanTimeOut)
@@ -103,7 +105,9 @@ TEST_F(Announces, AnnouncesGetAndCleanup)
 
     cleanup_gca(gca_, ann2.chat_public_key);
     ASSERT_EQ(gca_get_announces(gca_, &announces, 1, ann2.chat_public_key, empty_pk), 0);
+#ifndef _DEBUG
     ASSERT_EQ(gca_get_announces(gca_, nullptr, 1, ann2.chat_public_key, empty_pk), -1);
+#endif
 }
 
 struct AnnouncesPack : ::testing::Test {
@@ -162,19 +166,23 @@ TEST_F(AnnouncesPack, PublicAnnounceCanBePackedAndUnpacked)
 
 TEST_F(AnnouncesPack, UnpackEmptyPublicAnnounce)
 {
+#ifndef _DEBUG
     GC_Public_Announce ann{};
     std::vector<uint8_t> packed(GCA_PUBLIC_ANNOUNCE_MAX_SIZE);
 
     EXPECT_EQ(gca_unpack_public_announce(logger_, nullptr, 0, &ann), -1);
     EXPECT_EQ(gca_unpack_public_announce(logger_, packed.data(), packed.size(), nullptr), -1);
+#endif
 }
 
 TEST_F(AnnouncesPack, PackEmptyPublicAnnounce)
 {
+#ifndef _DEBUG
     GC_Public_Announce ann{};
     std::vector<uint8_t> packed(GCA_PUBLIC_ANNOUNCE_MAX_SIZE);
     EXPECT_EQ(gca_pack_public_announce(logger_, packed.data(), packed.size(), nullptr), -1);
     EXPECT_EQ(gca_pack_public_announce(logger_, nullptr, 0, &ann), -1);
+#endif
 }
 
 TEST_F(AnnouncesPack, PublicAnnouncePackNull)
@@ -198,7 +206,9 @@ TEST_F(AnnouncesPack, PublicAnnouncePackNull)
 
 TEST_F(AnnouncesPack, AnnouncesValidationCheck)
 {
+#ifndef _DEBUG
     EXPECT_EQ(gca_is_valid_announce(nullptr), false);
+#endif
 
     GC_Announce announce = {0};
     EXPECT_EQ(gca_is_valid_announce(&announce), false);
@@ -217,8 +227,10 @@ TEST_F(AnnouncesPack, UnpackIncompleteAnnouncesList)
 
     GC_Announce announce;
     EXPECT_EQ(gca_unpack_announces_list(logger_, data, sizeof(data), &announce, 1), -1);
+#ifndef _DEBUG
     EXPECT_EQ(gca_unpack_announces_list(logger_, data, sizeof(data), nullptr, 1), -1);
     EXPECT_EQ(gca_unpack_announces_list(logger_, nullptr, 0, &announce, 1), -1);
+#endif
 }
 
 TEST_F(AnnouncesPack, PackedAnnouncesListCanBeUnpacked)
@@ -246,17 +258,21 @@ TEST_F(AnnouncesPack, PackingEmptyAnnounceFails)
     std::vector<uint8_t> packed(gca_pack_announces_list_size(1));
     EXPECT_EQ(
         gca_pack_announces_list(logger_, packed.data(), packed.size(), &announce, 1, nullptr), -1);
+#ifndef _DEBUG
     EXPECT_EQ(
         gca_pack_announces_list(logger_, packed.data(), packed.size(), nullptr, 1, nullptr), -1);
     EXPECT_EQ(gca_pack_announces_list(logger_, nullptr, 0, &announce, 1, nullptr), -1);
+#endif
 }
 
 TEST_F(AnnouncesPack, PackAnnounceNull)
 {
+#ifndef _DEBUG
     std::vector<uint8_t> data(GCA_ANNOUNCE_MAX_SIZE);
     GC_Announce announce;
     ASSERT_EQ(gca_pack_announce(logger_, nullptr, 0, &announce), -1);
     ASSERT_EQ(gca_pack_announce(logger_, data.data(), data.size(), nullptr), -1);
+#endif
 }
 
 }  // namespace

toxcore/group_chats.c

@@ -1270,8 +1270,8 @@ static uint16_t unpack_gc_shared_state(GC_SharedState *shared_state, const uint8
     memcpy(&voice_state, data + len_processed, sizeof(uint8_t));
     len_processed += sizeof(uint8_t);
 
-    shared_state->voice_state = (Group_Voice_State)voice_state;
+    shared_state->voice_state = group_voice_state_from_int(voice_state);
-    shared_state->privacy_state = (Group_Privacy_State)privacy_state;
+    shared_state->privacy_state = group_privacy_state_from_int(privacy_state);
 
     return len_processed;
 }
@@ -7279,7 +7279,7 @@ static bool init_gc_tcp_connection(const GC_Session *c, GC_Chat *chat)
 
 /** Initializes default shared state values. */
 non_null()
-static void init_gc_shared_state(GC_Chat *chat, const Group_Privacy_State privacy_state)
+static void init_gc_shared_state(GC_Chat *chat, Group_Privacy_State privacy_state)
 {
     chat->shared_state.maxpeers = MAX_GC_PEERS_DEFAULT;
     chat->shared_state.privacy_state = privacy_state;

toxcore/group_chats.h

@@ -162,7 +162,7 @@ uint16_t gc_get_wrapped_packet_size(uint16_t length, Net_Packet_Type packet_type
  * Returns -4 if the sender does not have permission to speak.
  * Returns -5 if the packet fails to send.
  */
-non_null(1, 2, 3, 4) nullable(5)
+non_null(1, 2) nullable(5)
 int gc_send_message(const GC_Chat *chat, const uint8_t *message, uint16_t length, uint8_t type,
                     uint32_t *message_id);
 

toxcore/group_pack.c

@@ -19,6 +19,32 @@
 #include "ccompat.h"
 #include "util.h"
 
+Group_Privacy_State group_privacy_state_from_int(uint8_t value)
+{
+    switch (value) {
+        case 0:
+            return GI_PUBLIC;
+        case 1:
+            return GI_PRIVATE;
+        default:
+            return GI_PUBLIC;
+    }
+}
+
+Group_Voice_State group_voice_state_from_int(uint8_t value)
+{
+    switch (value) {
+        case 0:
+            return GV_ALL;
+        case 1:
+            return GV_MODS;
+        case 2:
+            return GV_FOUNDER;
+        default:
+            return GV_ALL;
+    }
+}
+
 non_null()
 static bool load_unpack_state_values(GC_Chat *chat, Bin_Unpack *bu)
 {
@@ -44,8 +70,8 @@ static bool load_unpack_state_values(GC_Chat *chat, Bin_Unpack *bu)
     }
 
     chat->connection_state = manually_disconnected ? CS_DISCONNECTED : CS_CONNECTING;
-    chat->shared_state.privacy_state = (Group_Privacy_State)privacy_state;
+    chat->shared_state.privacy_state = group_privacy_state_from_int(privacy_state);
-    chat->shared_state.voice_state = (Group_Voice_State)voice_state;
+    chat->shared_state.voice_state = group_voice_state_from_int(voice_state);
 
     // we always load saved groups as private in case the group became private while we were offline.
     // this will have no detrimental effect if the group is public, as the correct privacy

toxcore/group_pack.h

@@ -32,4 +32,7 @@ void gc_save_pack_group(const GC_Chat *chat, Bin_Pack *bp);
 non_null()
 bool gc_load_unpack_group(GC_Chat *chat, Bin_Unpack *bu);
 
+Group_Privacy_State group_privacy_state_from_int(uint8_t value);
+Group_Voice_State group_voice_state_from_int(uint8_t value);
+
 #endif // GROUP_PACK_H

toxcore/tox_unpack.c

@@ -9,6 +9,17 @@
 #include "bin_unpack.h"
 #include "ccompat.h"
 
+static Tox_Conference_Type tox_conference_type_from_int(uint32_t value)
+{
+    switch (value) {
+        case 0:
+            return TOX_CONFERENCE_TYPE_TEXT;
+        case 1:
+            return TOX_CONFERENCE_TYPE_AV;
+        default:
+            return TOX_CONFERENCE_TYPE_TEXT;
+    }
+}
 bool tox_unpack_conference_type(Bin_Unpack *bu, Tox_Conference_Type *val)
 {
     uint32_t u32;
@@ -17,10 +28,23 @@ bool tox_unpack_conference_type(Bin_Unpack *bu, Tox_Conference_Type *val)
         return false;
     }
 
-    *val = (Tox_Conference_Type)u32;
+    *val = tox_conference_type_from_int(u32);
     return true;
 }
 
+static Tox_Connection tox_connection_from_int(uint32_t value)
+{
+    switch (value) {
+        case 0:
+            return TOX_CONNECTION_NONE;
+        case 1:
+            return TOX_CONNECTION_TCP;
+        case 2:
+            return TOX_CONNECTION_UDP;
+        default:
+            return TOX_CONNECTION_NONE;
+    }
+}
 bool tox_unpack_connection(Bin_Unpack *bu, Tox_Connection *val)
 {
     uint32_t u32;
@@ -29,10 +53,23 @@ bool tox_unpack_connection(Bin_Unpack *bu, Tox_Connection *val)
         return false;
     }
 
-    *val = (Tox_Connection)u32;
+    *val = tox_connection_from_int(u32);
     return true;
 }
 
+static Tox_File_Control tox_file_control_from_int(uint32_t value)
+{
+    switch (value) {
+        case 0:
+            return TOX_FILE_CONTROL_RESUME;
+        case 1:
+            return TOX_FILE_CONTROL_PAUSE;
+        case 2:
+            return TOX_FILE_CONTROL_CANCEL;
+        default:
+            return TOX_FILE_CONTROL_RESUME;
+    }
+}
 bool tox_unpack_file_control(Bin_Unpack *bu, Tox_File_Control *val)
 {
     uint32_t u32;
@@ -41,10 +78,21 @@ bool tox_unpack_file_control(Bin_Unpack *bu, Tox_File_Control *val)
         return false;
     }
 
-    *val = (Tox_File_Control)u32;
+    *val = tox_file_control_from_int(u32);
     return true;
 }
 
+static Tox_Message_Type tox_message_type_from_int(uint32_t value)
+{
+    switch (value) {
+        case 0:
+            return TOX_MESSAGE_TYPE_NORMAL;
+        case 1:
+            return TOX_MESSAGE_TYPE_ACTION;
+        default:
+            return TOX_MESSAGE_TYPE_NORMAL;
+    }
+}
 bool tox_unpack_message_type(Bin_Unpack *bu, Tox_Message_Type *val)
 {
     uint32_t u32;
@@ -53,10 +101,23 @@ bool tox_unpack_message_type(Bin_Unpack *bu, Tox_Message_Type *val)
         return false;
     }
 
-    *val = (Tox_Message_Type)u32;
+    *val = tox_message_type_from_int(u32);
     return true;
 }
 
+static Tox_User_Status tox_user_status_from_int(uint32_t value)
+{
+    switch (value) {
+        case 0:
+            return TOX_USER_STATUS_NONE;
+        case 1:
+            return TOX_USER_STATUS_AWAY;
+        case 2:
+            return TOX_USER_STATUS_BUSY;
+        default:
+            return TOX_USER_STATUS_NONE;
+    }
+}
 bool tox_unpack_user_status(Bin_Unpack *bu, Tox_User_Status *val)
 {
     uint32_t u32;
@@ -65,6 +126,6 @@ bool tox_unpack_user_status(Bin_Unpack *bu, Tox_User_Status *val)
         return false;
     }
 
-    *val = (Tox_User_Status)u32;
+    *val = tox_user_status_from_int(u32);
     return true;
 }