IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready device veth0_macvtap entered promiscuous mode IPv6: ADDRCONF(NETDEV_UP): veth0_macvtap: link is not ready device veth1_macvtap entered promiscuous mode ------------[ cut here ]------------ WARNING: CPU: 0 PID: 9553 at net/mac80211/rate.c:311 __rate_control_send_low+0x37e/0x550 net/mac80211/rate.c:308 device veth0_macvtap entered promiscuous mode IPv6: ADDRCONF(NETDEV_UP): macvtap0: link is not ready device veth1_macvtap entered promiscuous mode IPv6: ADDRCONF(NETDEV_UP): veth0_to_batadv: link is not ready IPv6: ADDRCONF(NETDEV_UP): veth1_to_batadv: link is not ready no supported rates (0xffffffff) in rate_mask 0x0 with flags 0x0 Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 9553 Comm: syz-executor.3 Not tainted 4.8.0-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 0000000000000000 ffff88013bc07860 ffffffff82e4dd32 ffffffff8687e640 ffff88013bc07938 ffffffff8756d000 ffffffff863259fe 0000000000000009 ffff88013bc07928 ffffffff815e8a02 0000000041b58ab3 ffffffff879e7c23 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0x136/0x1d4 lib/dump_stack.c:51 ieee80211 phy6: Selected rate control algorithm 'minstrel_ht' [] panic+0x1b6/0x351 kernel/panic.c:153 ieee80211 phy6: hwaddr 02:00:00:00:06:00 registered ieee80211 phy6: mac80211_hwsim_start ieee80211 phy6: mac80211_hwsim_add_interface (type=1 mac_addr=02:00:00:00:06:00) ieee80211 phy6: mac80211_hwsim_bss_info_changed(changed=0xe vif->addr=02:00:00:00:06:00) ieee80211 phy6: ERP_CTS_PROT: 0 ieee80211 phy6: ERP_PREAMBLE: 0 ieee80211 phy6: ERP_SLOT: 0 ieee80211 phy6: mac80211_hwsim_conf_tx (queue=0 txop=47 cw_min=3 cw_max=7 aifs=2) ieee80211 phy6: mac80211_hwsim_conf_tx (queue=1 txop=94 cw_min=7 cw_max=15 aifs=2) ieee80211 phy6: mac80211_hwsim_conf_tx (queue=2 txop=0 cw_min=15 cw_max=1023 aifs=3) ieee80211 phy6: mac80211_hwsim_conf_tx (queue=3 txop=0 cw_min=15 cw_max=1023 aifs=7) ieee80211 phy6: mac80211_hwsim_bss_info_changed(changed=0x2000 vif->addr=02:00:00:00:06:00) ieee80211 phy6: mac80211_hwsim_config (freq=2412(2412 - 0)/noht idle=1 ps=0 smps=static) ieee80211 phy6: mac80211_hwsim_configure_filter ieee80211 phy6: mac80211_hwsim_configure_filter IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready ieee80211 phy6: mac80211_hwsim_bss_info_changed(changed=0x10 vif->addr=02:00:00:00:06:00) ieee80211 phy6: HT: op_mode=0xb wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 ieee80211 phy6: mac80211_hwsim_config (freq=2412(2412 - 0)/noht idle=0 ps=0 smps=static) ieee80211 phy6: mac80211_hwsim_config (freq=2412(2412 - 0)/noht idle=0 ps=0 smps=static) ieee80211 phy6: mac80211_hwsim_bss_info_changed(changed=0x40000 vif->addr=02:00:00:00:06:00) ieee80211 phy6: TX Power: 20 dBm ieee80211 phy6: mac80211_hwsim_bss_info_changed(changed=0x4000 vif->addr=02:00:00:00:06:00) ieee80211 phy6: mac80211_hwsim_conf_tx (queue=0 txop=0 cw_min=15 cw_max=1023 aifs=2) ieee80211 phy6: mac80211_hwsim_conf_tx (queue=1 txop=0 cw_min=15 cw_max=1023 aifs=2) ieee80211 phy6: mac80211_hwsim_conf_tx (queue=2 txop=0 cw_min=15 cw_max=1023 aifs=2) ieee80211 phy6: mac80211_hwsim_conf_tx (queue=3 txop=0 cw_min=15 cw_max=1023 aifs=2) ieee80211 phy6: mac80211_hwsim_bss_info_changed(changed=0x2000 vif->addr=02:00:00:00:06:00) ieee80211 phy6: mac80211_hwsim_bss_info_changed(changed=0x8bfe vif->addr=02:00:00:00:06:00) ieee80211 phy6: mac80211_hwsim_bss_info_changed: BSSID changed: 50:50:50:50:50:50 ieee80211 phy6: BCN EN: 1 (BI=100) ieee80211 phy6: ERP_CTS_PROT: 0 ieee80211 phy6: ERP_PREAMBLE: 0 ieee80211 phy6: ERP_SLOT: 0 ieee80211 phy6: HT: op_mode=0xb ieee80211 phy6: BASIC_RATES: 0x1 ieee80211 phy7: Selected rate control algorithm 'minstrel_ht' ieee80211 phy7: hwaddr 02:00:00:00:07:00 registered ieee80211 phy7: mac80211_hwsim_start ieee80211 phy7: mac80211_hwsim_add_interface (type=1 mac_addr=02:00:00:00:07:00) ieee80211 phy7: mac80211_hwsim_bss_info_changed(changed=0xe vif->addr=02:00:00:00:07:00) ieee80211 phy7: ERP_CTS_PROT: 0 ieee80211 phy7: ERP_PREAMBLE: 0 ieee80211 phy7: ERP_SLOT: 0 ieee80211 phy7: mac80211_hwsim_conf_tx (queue=0 txop=47 cw_min=3 cw_max=7 aifs=2) ieee80211 phy7: mac80211_hwsim_conf_tx (queue=1 txop=94 cw_min=7 cw_max=15 aifs=2) ieee80211 phy7: mac80211_hwsim_conf_tx (queue=2 txop=0 cw_min=15 cw_max=1023 aifs=3) ieee80211 phy7: mac80211_hwsim_conf_tx (queue=3 txop=0 cw_min=15 cw_max=1023 aifs=7) ieee80211 phy7: mac80211_hwsim_bss_info_changed(changed=0x2000 vif->addr=02:00:00:00:07:00) ieee80211 phy7: mac80211_hwsim_config (freq=2412(2412 - 0)/noht idle=1 ps=0 smps=static) ieee80211 phy7: mac80211_hwsim_configure_filter ieee80211 phy7: mac80211_hwsim_configure_filter IPv6: ADDRCONF(NETDEV_UP): wlan1: link is not ready ieee80211 phy7: mac80211_hwsim_bss_info_changed(changed=0x10 vif->addr=02:00:00:00:07:00) ieee80211 phy7: HT: op_mode=0xb wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 ieee80211 phy7: mac80211_hwsim_config (freq=2412(2412 - 0)/noht idle=0 ps=0 smps=static) ieee80211 phy7: mac80211_hwsim_config (freq=2412(2412 - 0)/noht idle=0 ps=0 smps=static) ieee80211 phy7: mac80211_hwsim_bss_info_changed(changed=0x40000 vif->addr=02:00:00:00:07:00) ieee80211 phy7: TX Power: 20 dBm ieee80211 phy7: mac80211_hwsim_bss_info_changed(changed=0x4000 vif->addr=02:00:00:00:07:00) ieee80211 phy7: mac80211_hwsim_conf_tx (queue=0 txop=0 cw_min=15 cw_max=1023 aifs=2) ieee80211 phy7: mac80211_hwsim_conf_tx (queue=1 txop=0 cw_min=15 cw_max=1023 aifs=2) ieee80211 phy7: mac80211_hwsim_conf_tx (queue=2 txop=0 cw_min=15 cw_max=1023 aifs=2) ieee80211 phy7: mac80211_hwsim_conf_tx (queue=3 txop=0 cw_min=15 cw_max=1023 aifs=2) ieee80211 phy7: mac80211_hwsim_bss_info_changed(changed=0x2000 vif->addr=02:00:00:00:07:00) ieee80211 phy7: mac80211_hwsim_bss_info_changed(changed=0x8bfe vif->addr=02:00:00:00:07:00) ieee80211 phy7: mac80211_hwsim_bss_info_changed: BSSID changed: 50:50:50:50:50:50 ieee80211 phy7: BCN EN: 1 (BI=100) ieee80211 phy7: ERP_CTS_PROT: 0 ieee80211 phy7: ERP_PREAMBLE: 0 ieee80211 phy7: ERP_SLOT: 0 ieee80211 phy7: HT: op_mode=0xb ieee80211 phy7: BASIC_RATES: 0x1 [] __warn+0x18d/0x1b0 kernel/panic.c:509 [] warn_slowpath_fmt+0x92/0xb0 kernel/panic.c:532 [] __rate_control_send_low+0x37e/0x550 net/mac80211/rate.c:308 [] rate_control_send_low+0x35b/0x5b0 net/mac80211/rate.c:332 [] minstrel_ht_get_rate+0x4f/0x15d0 net/mac80211/rc80211_minstrel_ht.c:1079 [] rate_control_get_rate+0x3c3/0x5c0 net/mac80211/rate.c:859 [] __ieee80211_beacon_get+0x803/0x1770 net/mac80211/tx.c:3990 [] ieee80211_beacon_get_tim+0x83/0x620 net/mac80211/tx.c:4017 [] ieee80211_beacon_get include/net/mac80211.h:4255 [inline] [] mac80211_hwsim_beacon_tx+0xd0/0x630 drivers/net/wireless/mac80211_hwsim.c:1512 [] __iterate_interfaces+0x16f/0x2f0 net/mac80211/util.c:613 [] ieee80211_iterate_active_interfaces_atomic+0x67/0x100 net/mac80211/util.c:649 [] mac80211_hwsim_beacon+0xbb/0x180 drivers/net/wireless/mac80211_hwsim.c:1550 [] __tasklet_hrtimer_trampoline+0x2d/0xb0 kernel/softirq.c:610 [] tasklet_hi_action+0x26b/0x340 kernel/softirq.c:541 [] __do_softirq+0x2cb/0xa1c kernel/softirq.c:273 [] do_softirq_own_stack+0x1c/0x30 arch/x86/entry/entry_64.S:827 [] do_softirq+0x11d/0x150 kernel/softirq.c:317 [] __local_bh_enable_ip+0x136/0x180 kernel/softirq.c:170 [] local_bh_enable include/linux/bottom_half.h:31 [inline] [] rcu_read_unlock_bh include/linux/rcupdate.h:966 [inline] [] __dev_queue_xmit+0xa2b/0x2260 net/core/dev.c:3432 [] dev_queue_xmit+0xb/0x10 net/core/dev.c:3438 [] __netlink_deliver_tap_skb net/netlink/af_netlink.c:238 [inline] [] __netlink_deliver_tap net/netlink/af_netlink.c:256 [inline] [] netlink_deliver_tap+0x4d7/0x850 net/netlink/af_netlink.c:267 [] netlink_deliver_tap_kernel net/netlink/af_netlink.c:276 [inline] [] netlink_unicast_kernel net/netlink/af_netlink.c:1213 [inline] [] netlink_unicast+0x3fe/0x570 net/netlink/af_netlink.c:1240 [] netlink_sendmsg+0x9bb/0xb40 net/netlink/af_netlink.c:1786 [] sock_sendmsg_nosec net/socket.c:609 [inline] [] sock_sendmsg+0xb5/0xf0 net/socket.c:619 [] ___sys_sendmsg+0x6f0/0x860 net/socket.c:1942 [] __sys_sendmsg+0xc1/0x140 net/socket.c:1976 [] C_SYSC_sendmsg net/compat.c:733 [inline] [] compat_SyS_sendmsg+0xf/0x20 net/compat.c:731 [] do_syscall_32_irqs_on arch/x86/entry/common.c:330 [inline] [] do_fast_syscall_32+0x324/0xa70 arch/x86/entry/common.c:392 [] entry_SYSENTER_compat+0x51/0x60 arch/x86/entry/entry_64_compat.S:124 Kernel Offset: disabled