diff options
Diffstat (limited to 'executor/common_linux.h')
| -rw-r--r-- | executor/common_linux.h | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/executor/common_linux.h b/executor/common_linux.h index 615879699..15ad0ce69 100644 --- a/executor/common_linux.h +++ b/executor/common_linux.h @@ -1121,6 +1121,8 @@ static void initialize_wifi_devices(void) fail("initialize_wifi_devices: failed to create socket"); int hwsim_family_id = netlink_query_family_id(&nlmsg, sock, "MAC80211_HWSIM", true); int nl80211_family_id = netlink_query_family_id(&nlmsg, sock, "nl80211", true); + if (hwsim_family_id < 0 || nl80211_family_id < 0) + fail("netlink_query_family_id failed"); uint8 ssid[] = WIFI_IBSS_SSID; uint8 bssid[] = WIFI_IBSS_BSSID; struct join_ibss_props ibss_props = { @@ -5108,6 +5110,11 @@ static const char* setup_802154() } { int nl802154_family_id = netlink_query_family_id(&nlmsg, sock_generic, "nl802154", true); + if (nl802154_family_id < 0) { + error = "netlink_query_family_id failed"; + goto fail; + } + for (int i = 0; i < 2; i++) { // wpan0/1 are created by CONFIG_IEEE802154_HWSIM. // sys/linux/socket_ieee802154.txt knowns about these names and consts. @@ -5504,6 +5511,11 @@ static long syz_80211_inject_frame(volatile long a0, volatile long a1, volatile } int hwsim_family_id = netlink_query_family_id(&tmp_msg, sock, "MAC80211_HWSIM", false); + if (hwsim_family_id < 0) { + debug("syz_80211_inject_frame: failed to query family id\n"); + close(sock); + return -1; + } int ret = hwsim_register_socket(&tmp_msg, sock, hwsim_family_id); if (ret < 0) { debug("syz_80211_inject_frame: failed to register socket, ret %d\n", ret); @@ -5558,6 +5570,11 @@ static long syz_80211_join_ibss(volatile long a0, volatile long a1, volatile lon } int nl80211_family_id = netlink_query_family_id(&tmp_msg, sock, "nl80211", false); + if (nl80211_family_id < 0) { + debug("syz_80211_join_ibss: netlink_query_family_id failed\n"); + close(sock); + return -1; + } struct join_ibss_props ibss_props = { .wiphy_freq = WIFI_DEFAULT_FREQUENCY, .wiphy_freq_fixed = (mode == WIFI_JOIN_IBSS_NO_SCAN || mode == WIFI_JOIN_IBSS_BG_NO_SCAN), |