bisecting fixing commit since 8961076ed318dfd22aa357b41589f07bf67e73b6 building syzkaller on 0767f13fbd87c99aea7893eb64199b76be42cd61 testing commit 8961076ed318dfd22aa357b41589f07bf67e73b6 with gcc (GCC) 8.1.0 kernel signature: fdbe8ffe251b42f2104536548b9c64610684d028cfd48af9fb10e996cbe23434 run #0: crashed: possible deadlock in kcm_ioctl run #1: crashed: possible deadlock in strp_sock_lock run #2: crashed: possible deadlock in kcm_ioctl run #3: crashed: possible deadlock in kcm_ioctl run #4: crashed: possible deadlock in kcm_ioctl run #5: crashed: possible deadlock in strp_sock_lock run #6: crashed: possible deadlock in strp_sock_lock run #7: crashed: possible deadlock in strp_sock_lock run #8: crashed: possible deadlock in kcm_ioctl run #9: crashed: possible deadlock in strp_sock_lock testing current HEAD 3f2ecb86cb909da0b9157fd2952ad79924cbe5ae testing commit 3f2ecb86cb909da0b9157fd2952ad79924cbe5ae with gcc (GCC) 8.1.0 kernel signature: 75aee884b2dda4463d397b67c73b8a3fce6ef0dec05e9061f8068e3a06ca3db7 run #0: crashed: possible deadlock in kcm_ioctl run #1: crashed: possible deadlock in kcm_ioctl run #2: crashed: possible deadlock in strp_sock_lock run #3: crashed: possible deadlock in strp_sock_lock run #4: crashed: possible deadlock in kcm_ioctl run #5: crashed: possible deadlock in strp_sock_lock run #6: crashed: possible deadlock in kcm_ioctl run #7: crashed: possible deadlock in strp_sock_lock run #8: crashed: possible deadlock in kcm_ioctl run #9: crashed: possible deadlock in strp_sock_lock revisions tested: 2, total time: 22m6.693544667s (build: 15m52.700565445s, test: 5m34.701594709s) the crash still happens on HEAD commit msg: Linux 4.14.212 crash: possible deadlock in strp_sock_lock IPv6: ADDRCONF(NETDEV_UP): wlan1: link is not ready device veth0_macvtap entered promiscuous mode IPv6: ADDRCONF(NETDEV_UP): macvtap0: link is not ready ====================================================== device veth1_macvtap entered promiscuous mode WARNING: possible circular locking dependency detected IPv6: ADDRCONF(NETDEV_UP): macsec0: link is not ready 4.14.212-syzkaller #0 Not tainted IPv6: ADDRCONF(NETDEV_UP): veth0_to_batadv: link is not ready ------------------------------------------------------ kworker/u4:7/9057 is trying to acquire lock: (sk_lock-AF_INET){+.+.}, at: [] lock_sock include/net/sock.h:1471 [inline] (sk_lock-AF_INET){+.+.}, at: [] strp_sock_lock+0x29/0x40 net/strparser/strparser.c:451 but task is already holding lock: ((&strp->work)){+.+.}, at: [] process_one_work+0x6b4/0x1620 kernel/workqueue.c:2091 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #1 ((&strp->work)){+.+.}: lock_acquire+0x17e/0x3e0 kernel/locking/lockdep.c:3998 flush_work+0x9c/0x720 kernel/workqueue.c:2889 IPv6: ADDRCONF(NETDEV_UP): veth1_to_batadv: link is not ready __cancel_work_timer+0x2ef/0x420 kernel/workqueue.c:2964 batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 cancel_work_sync+0xb/0x10 kernel/workqueue.c:3000 batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! strp_done+0x48/0xb0 net/strparser/strparser.c:519 kcm_attach net/kcm/kcmsock.c:1429 [inline] kcm_attach_ioctl net/kcm/kcmsock.c:1490 [inline] kcm_ioctl+0x8ca/0x13f0 net/kcm/kcmsock.c:1701 sock_do_ioctl+0x62/0xa0 net/socket.c:974 sock_ioctl+0x251/0x430 net/socket.c:1071 vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:500 [inline] do_vfs_ioctl+0x180/0xfb0 fs/ioctl.c:684 SYSC_ioctl fs/ioctl.c:701 [inline] SyS_ioctl+0x74/0x80 fs/ioctl.c:692 do_syscall_64+0x1c7/0x5b0 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb -> #0 batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 (sk_lock-AF_INET){+.+.}: check_prev_add kernel/locking/lockdep.c:1905 [inline] check_prevs_add kernel/locking/lockdep.c:2022 [inline] validate_chain kernel/locking/lockdep.c:2464 [inline] __lock_acquire+0x32e8/0x42d0 kernel/locking/lockdep.c:3491 lock_acquire+0x17e/0x3e0 kernel/locking/lockdep.c:3998 lock_sock_nested+0xb3/0x100 net/core/sock.c:2796 lock_sock include/net/sock.h:1471 [inline] strp_sock_lock+0x29/0x40 net/strparser/strparser.c:451 do_strp_work net/strparser/strparser.c:415 [inline] strp_work+0x3c/0xd0 net/strparser/strparser.c:434 process_one_work+0x74f/0x1620 kernel/workqueue.c:2116 worker_thread+0xcc/0xed0 kernel/workqueue.c:2250 kthread+0x338/0x400 kernel/kthread.c:232 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:404 other info that might help us debug this: Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock((&strp->work)); lock(sk_lock-AF_INET); lock((&strp->work)); lock(sk_lock-AF_INET); *** DEADLOCK *** 2 locks held by kworker/u4:7/9057: #0: ("%s""kstrp"){+.+.}, at: [] process_one_work+0x681/0x1620 kernel/workqueue.c:2087 #1: ((&strp->work)){+.+.}, at: [] process_one_work+0x6b4/0x1620 kernel/workqueue.c:2091 stack backtrace: CPU: 1 PID: 9057 Comm: kworker/u4:7 Not tainted 4.14.212-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: kstrp strp_work Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x14b/0x1f1 lib/dump_stack.c:58 print_circular_bug.isra.17.cold.40+0x2e3/0x41e kernel/locking/lockdep.c:1258 check_prev_add kernel/locking/lockdep.c:1905 [inline] check_prevs_add kernel/locking/lockdep.c:2022 [inline] validate_chain kernel/locking/lockdep.c:2464 [inline] __lock_acquire+0x32e8/0x42d0 kernel/locking/lockdep.c:3491 lock_acquire+0x17e/0x3e0 kernel/locking/lockdep.c:3998 lock_sock_nested+0xb3/0x100 net/core/sock.c:2796 lock_sock include/net/sock.h:1471 [inline] strp_sock_lock+0x29/0x40 net/strparser/strparser.c:451 do_strp_work net/strparser/strparser.c:415 [inline] strp_work+0x3c/0xd0 net/strparser/strparser.c:434 process_one_work+0x74f/0x1620 kernel/workqueue.c:2116 worker_thread+0xcc/0xed0 kernel/workqueue.c:2250 kthread+0x338/0x400 kernel/kthread.c:232 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:404 batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! IPv6: ADDRCONF(NETDEV_UP): batadv_slave_0: link is not ready batman_adv: batadv0: Interface activated: batadv_slave_0 IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready ieee80211 phy10: mac80211_hwsim_bss_info_changed(changed=0x10 vif->addr=02:00:00:00:0a:00) ieee80211 phy10: HT: op_mode=0xb wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! ieee80211 phy10: mac80211_hwsim_config (freq=2412(2412 - 0)/noht idle=0 ps=0 smps=static) batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 ieee80211 phy10: mac80211_hwsim_config (freq=2412(2412 - 0)/noht idle=0 ps=0 smps=static) batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! ieee80211 phy10: mac80211_hwsim_bss_info_changed(changed=0x40000 vif->addr=02:00:00:00:0a:00) batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 ieee80211 phy10: TX Power: 20 dBm batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! ieee80211 phy10: mac80211_hwsim_bss_info_changed(changed=0x4000 vif->addr=02:00:00:00:0a:00) batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 ieee80211 phy10: mac80211_hwsim_conf_tx (queue=0 txop=0 cw_min=15 cw_max=1023 aifs=2) batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! ieee80211 phy10: mac80211_hwsim_conf_tx (queue=1 txop=0 cw_min=15 cw_max=1023 aifs=2) IPv6: ADDRCONF(NETDEV_UP): batadv_slave_1: link is not ready ieee80211 phy10: mac80211_hwsim_conf_tx (queue=2 txop=0 cw_min=15 cw_max=1023 aifs=2) batman_adv: batadv0: Interface activated: batadv_slave_1 ieee80211 phy10: mac80211_hwsim_conf_tx (queue=3 txop=0 cw_min=15 cw_max=1023 aifs=2) ieee80211 phy11: mac80211_hwsim_start ieee80211 phy11: mac80211_hwsim_add_interface (type=1 mac_addr=02:00:00:00:0b:00) ieee80211 phy11: mac80211_hwsim_bss_info_changed(changed=0xe vif->addr=02:00:00:00:0b:00) ieee80211 phy11: ERP_CTS_PROT: 0 ieee80211 phy11: ERP_PREAMBLE: 0 ieee80211 phy11: ERP_SLOT: 0 ieee80211 phy8: mac80211_hwsim_configure_filter ieee80211 phy11: mac80211_hwsim_conf_tx (queue=0 txop=47 cw_min=3 cw_max=7 aifs=2) ieee80211 phy9: mac80211_hwsim_configure_filter ieee80211 phy11: mac80211_hwsim_conf_tx (queue=1 txop=94 cw_min=7 cw_max=15 aifs=2) ieee80211 phy10: mac80211_hwsim_bss_info_changed(changed=0x2000 vif->addr=02:00:00:00:0a:00) ieee80211 phy11: mac80211_hwsim_conf_tx (queue=2 txop=0 cw_min=15 cw_max=1023 aifs=3) ieee80211 phy10: mac80211_hwsim_bss_info_changed(changed=0x8bfe vif->addr=02:00:00:00:0a:00) ieee80211 phy11: mac80211_hwsim_conf_tx (queue=3 txop=0 cw_min=15 cw_max=1023 aifs=7) ieee80211 phy10: mac80211_hwsim_bss_info_changed: BSSID changed: 50:50:50:50:50:50 ieee80211 phy11: mac80211_hwsim_bss_info_changed(changed=0x2000 vif->addr=02:00:00:00:0b:00) ieee80211 phy10: BCN EN: 1 (BI=100) ieee80211 phy11: mac80211_hwsim_config (freq=2412(2412 - 0)/noht idle=1 ps=0 smps=static) ieee80211 phy10: ERP_CTS_PROT: 0 IPv6: ADDRCONF(NETDEV_UP): wlan1: link is not ready ieee80211 phy11: mac80211_hwsim_configure_filter ieee80211 phy10: ERP_PREAMBLE: 0 IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready ieee80211 phy10: ERP_SLOT: 0 ieee80211 phy10: HT: op_mode=0xb ieee80211 phy10: BASIC_RATES: 0x1 IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready ieee80211 phy12: Selected rate control algorithm 'minstrel_ht' ieee80211 phy12: hwaddr 02:00:00:00:0c:00 registered IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready ieee80211 phy10: mac80211_hwsim_configure_filter ieee80211 phy11: mac80211_hwsim_bss_info_changed(changed=0x10 vif->addr=02:00:00:00:0b:00) ieee80211 phy11: 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 phy11: mac80211_hwsim_config (freq=2412(2412 - 0)/noht idle=0 ps=0 smps=static) ieee80211 phy12: mac80211_hwsim_start ieee80211 phy11: mac80211_hwsim_config (freq=2412(2412 - 0)/noht idle=0 ps=0 smps=static) ieee80211 phy11: mac80211_hwsim_bss_info_changed(changed=0x40000 vif->addr=02:00:00:00:0b:00) ieee80211 phy11: TX Power: 20 dBm ieee80211 phy11: mac80211_hwsim_bss_info_changed(changed=0x4000 vif->addr=02:00:00:00:0b:00) ieee80211 phy11: mac80211_hwsim_conf_tx (queue=0 txop=0 cw_min=15 cw_max=1023 aifs=2) ieee80211 phy11: mac80211_hwsim_conf_tx (queue=1 txop=0 cw_min=15 cw_max=1023 aifs=2) ieee80211 phy11: mac80211_hwsim_conf_tx (queue=2 txop=0 cw_min=15 cw_max=1023 aifs=2) ieee80211 phy11: mac80211_hwsim_conf_tx (queue=3 txop=0 cw_min=15 cw_max=1023 aifs=2) ieee80211 phy11: mac80211_hwsim_bss_info_changed(changed=0x2000 vif->addr=02:00:00:00:0b:00) ieee80211 phy11: mac80211_hwsim_bss_info_changed(changed=0x8bfe vif->addr=02:00:00:00:0b:00) ieee80211 phy11: mac80211_hwsim_bss_info_changed: BSSID changed: 50:50:50:50:50:50 ieee80211 phy11: BCN EN: 1 (BI=100) ieee80211 phy11: ERP_CTS_PROT: 0 ieee80211 phy11: ERP_PREAMBLE: 0 ieee80211 phy11: ERP_SLOT: 0 ieee80211 phy11: HT: op_mode=0xb ieee80211 phy11: BASIC_RATES: 0x1 ieee80211 phy12: mac80211_hwsim_add_interface (type=1 mac_addr=02:00:00:00:0c:00) ieee80211 phy12: mac80211_hwsim_bss_info_changed(changed=0xe vif->addr=02:00:00:00:0c:00) ieee80211 phy12: ERP_CTS_PROT: 0 ieee80211 phy12: ERP_PREAMBLE: 0 ieee80211 phy12: ERP_SLOT: 0 ieee80211 phy12: mac80211_hwsim_conf_tx (queue=0 txop=47 cw_min=3 cw_max=7 aifs=2) ieee80211 phy12: mac80211_hwsim_conf_tx (queue=1 txop=94 cw_min=7 cw_max=15 aifs=2) ieee80211 phy12: mac80211_hwsim_conf_tx (queue=2 txop=0 cw_min=15 cw_max=1023 aifs=3) ieee80211 phy12: mac80211_hwsim_conf_tx (queue=3 txop=0 cw_min=15 cw_max=1023 aifs=7) ieee80211 phy12: mac80211_hwsim_bss_info_changed(changed=0x2000 vif->addr=02:00:00:00:0c:00) ieee80211 phy12: mac80211_hwsim_config (freq=2412(2412 - 0)/noht idle=1 ps=0 smps=static) IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready ieee80211 phy12: mac80211_hwsim_configure_filter ieee80211 phy12: mac80211_hwsim_bss_info_changed(changed=0x10 vif->addr=02:00:00:00:0c:00) ieee80211 phy12: HT: op_mode=0xb IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 ieee80211 phy11: mac80211_hwsim_configure_filter wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 ieee80211 phy13: Selected rate control algorithm 'minstrel_ht' ieee80211 phy12: mac80211_hwsim_config (freq=2412(2412 - 0)/noht idle=0 ps=0 smps=static) ieee80211 phy13: hwaddr 02:00:00:00:0d:00 registered ieee80211 phy13: mac80211_hwsim_start ieee80211 phy12: mac80211_hwsim_config (freq=2412(2412 - 0)/noht idle=0 ps=0 smps=static) ieee80211 phy12: mac80211_hwsim_bss_info_changed(changed=0x40000 vif->addr=02:00:00:00:0c:00) ieee80211 phy12: TX Power: 20 dBm ieee80211 phy12: mac80211_hwsim_bss_info_changed(changed=0x4000 vif->addr=02:00:00:00:0c:00) ieee80211 phy13: mac80211_hwsim_add_interface (type=1 mac_addr=02:00:00:00:0d:00) ieee80211 phy12: mac80211_hwsim_conf_tx (queue=0 txop=0 cw_min=15 cw_max=1023 aifs=2) ieee80211 phy13: mac80211_hwsim_bss_info_changed(changed=0xe vif->addr=02:00:00:00:0d:00) ieee80211 phy12: mac80211_hwsim_conf_tx (queue=1 txop=0 cw_min=15 cw_max=1023 aifs=2) ieee80211 phy13: ERP_CTS_PROT: 0 ieee80211 phy13: ERP_PREAMBLE: 0 ieee80211 phy13: ERP_SLOT: 0 ieee80211 phy13: mac80211_hwsim_conf_tx (queue=0 txop=47 cw_min=3 cw_max=7 aifs=2) ieee80211 phy13: mac80211_hwsim_conf_tx (queue=1 txop=94 cw_min=7 cw_max=15 aifs=2) ieee80211 phy13: mac80211_hwsim_conf_tx (queue=2 txop=0 cw_min=15 cw_max=1023 aifs=3) ieee80211 phy13: mac80211_hwsim_conf_tx (queue=3 txop=0 cw_min=15 cw_max=1023 aifs=7) ieee80211 phy12: mac80211_hwsim_conf_tx (queue=2 txop=0 cw_min=15 cw_max=1023 aifs=2) ieee80211 phy13: mac80211_hwsim_bss_info_changed(changed=0x2000 vif->addr=02:00:00:00:0d:00) ieee80211 phy12: mac80211_hwsim_conf_tx (queue=3 txop=0 cw_min=15 cw_max=1023 aifs=2) ieee80211 phy13: mac80211_hwsim_config (freq=2412(2412 - 0)/noht idle=1 ps=0 smps=static) ieee80211 phy12: mac80211_hwsim_bss_info_changed(changed=0x2000 vif->addr=02:00:00:00:0c:00) IPv6: ADDRCONF(NETDEV_UP): wlan1: link is not ready ieee80211 phy13: mac80211_hwsim_configure_filter ieee80211 phy12: mac80211_hwsim_bss_info_changed(changed=0x8bfe vif->addr=02:00:00:00:0c:00) ieee80211 phy13: mac80211_hwsim_bss_info_changed(changed=0x10 vif->addr=02:00:00:00:0d:00) ieee80211 phy12: mac80211_hwsim_bss_info_changed: BSSID changed: 50:50:50:50:50:50 ieee80211 phy13: HT: op_mode=0xb ieee80211 phy12: BCN EN: 1 (BI=100) wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 ieee80211 phy12: ERP_CTS_PROT: 0 wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 ieee80211 phy12: ERP_PREAMBLE: 0 ieee80211 phy13: mac80211_hwsim_config (freq=2412(2412 - 0)/noht idle=0 ps=0 smps=static) ieee80211 phy12: ERP_SLOT: 0 ieee80211 phy13: mac80211_hwsim_config (freq=2412(2412 - 0)/noht idle=0 ps=0 smps=static) ieee80211 phy12: HT: op_mode=0xb ieee80211 phy13: mac80211_hwsim_bss_info_changed(changed=0x40000 vif->addr=02:00:00:00:0d:00) ieee80211 phy12: BASIC_RATES: 0x1 ieee80211 phy13: TX Power: 20 dBm IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready ieee80211 phy13: mac80211_hwsim_bss_info_changed(changed=0x4000 vif->addr=02:00:00:00:0d:00) ieee80211 phy12: mac80211_hwsim_configure_filter ieee80211 phy13: mac80211_hwsim_conf_tx (queue=0 txop=0 cw_min=15 cw_max=1023 aifs=2) ieee80211 phy14: Selected rate control algorithm 'minstrel_ht' ieee80211 phy13: mac80211_hwsim_conf_tx (queue=1 txop=0 cw_min=15 cw_max=1023 aifs=2) ieee80211 phy14: hwaddr 02:00:00:00:0e:00 registered ieee80211 phy13: mac80211_hwsim_conf_tx (queue=2 txop=0 cw_min=15 cw_max=1023 aifs=2) ieee80211 phy14: mac80211_hwsim_start ieee80211 phy13: mac80211_hwsim_conf_tx (queue=3 txop=0 cw_min=15 cw_max=1023 aifs=2) ieee80211 phy14: mac80211_hwsim_add_interface (type=1 mac_addr=02:00:00:00:0e:00) ieee80211 phy13: mac80211_hwsim_bss_info_changed(changed=0x2000 vif->addr=02:00:00:00:0d:00) ieee80211 phy14: mac80211_hwsim_bss_info_changed(changed=0xe vif->addr=02:00:00:00:0e:00) ieee80211 phy13: mac80211_hwsim_bss_info_changed(changed=0x8bfe vif->addr=02:00:00:00:0d:00) ieee80211 phy14: ERP_CTS_PROT: 0 ieee80211 phy13: mac80211_hwsim_bss_info_changed: BSSID changed: 50:50:50:50:50:50 ieee80211 phy14: ERP_PREAMBLE: 0 ieee80211 phy13: BCN EN: 1 (BI=100) ieee80211 phy14: ERP_SLOT: 0 ieee80211 phy13: ERP_CTS_PROT: 0 ieee80211 phy14: mac80211_hwsim_conf_tx (queue=0 txop=47 cw_min=3 cw_max=7 aifs=2) ieee80211 phy13: ERP_PREAMBLE: 0 ieee80211 phy14: mac80211_hwsim_conf_tx (queue=1 txop=94 cw_min=7 cw_max=15 aifs=2) ieee80211 phy13: ERP_SLOT: 0 ieee80211 phy14: mac80211_hwsim_conf_tx (queue=2 txop=0 cw_min=15 cw_max=1023 aifs=3) ieee80211 phy13: HT: op_mode=0xb ieee80211 phy14: mac80211_hwsim_conf_tx (queue=3 txop=0 cw_min=15 cw_max=1023 aifs=7) ieee80211 phy13: BASIC_RATES: 0x1 ieee80211 phy14: mac80211_hwsim_bss_info_changed(changed=0x2000 vif->addr=02:00:00:00:0e:00) ieee80211 phy14: mac80211_hwsim_config (freq=2412(2412 - 0)/noht idle=1 ps=0 smps=static) IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready ieee80211 phy14: mac80211_hwsim_configure_filter ieee80211 phy14: mac80211_hwsim_bss_info_changed(changed=0x10 vif->addr=02:00:00:00:0e:00) ieee80211 phy14: HT: op_mode=0xb wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 ieee80211 phy14: mac80211_hwsim_config (freq=2412(2412 - 0)/noht idle=0 ps=0 smps=static) ieee80211 phy15: Selected rate control algorithm 'minstrel_ht' ieee80211 phy14: mac80211_hwsim_config (freq=2412(2412 - 0)/noht idle=0 ps=0 smps=static) ieee80211 phy14: mac80211_hwsim_bss_info_changed(changed=0x40000 vif->addr=02:00:00:00:0e:00) ieee80211 phy15: hwaddr 02:00:00:00:0f:00 registered ieee80211 phy13: mac80211_hwsim_configure_filter ieee80211 phy15: mac80211_hwsim_start ieee80211 phy15: mac80211_hwsim_add_interface (type=1 mac_addr=02:00:00:00:0f:00) ieee80211 phy14: TX Power: 20 dBm ieee80211 phy14: mac80211_hwsim_bss_info_changed(changed=0x4000 vif->addr=02:00:00:00:0e:00) ieee80211 phy15: mac80211_hwsim_bss_info_changed(changed=0xe vif->addr=02:00:00:00:0f:00) ieee80211 phy14: mac80211_hwsim_conf_tx (queue=0 txop=0 cw_min=15 cw_max=1023 aifs=2) ieee80211 phy15: ERP_CTS_PROT: 0 ieee80211 phy14: mac80211_hwsim_conf_tx (queue=1 txop=0 cw_min=15 cw_max=1023 aifs=2) ieee80211 phy15: ERP_PREAMBLE: 0 ieee80211 phy14: mac80211_hwsim_conf_tx (queue=2 txop=0 cw_min=15 cw_max=1023 aifs=2) ieee80211 phy15: ERP_SLOT: 0 ieee80211 phy14: mac80211_hwsim_conf_tx (queue=3 txop=0 cw_min=15 cw_max=1023 aifs=2) ieee80211 phy15: mac80211_hwsim_conf_tx (queue=0 txop=47 cw_min=3 cw_max=7 aifs=2) ieee80211 phy14: mac80211_hwsim_bss_info_changed(changed=0x2000 vif->addr=02:00:00:00:0e:00) ieee80211 phy15: mac80211_hwsim_conf_tx (queue=1 txop=94 cw_min=7 cw_max=15 aifs=2) ieee80211 phy14: mac80211_hwsim_bss_info_changed(changed=0x8bfe vif->addr=02:00:00:00:0e:00) ieee80211 phy15: mac80211_hwsim_conf_tx (queue=2 txop=0 cw_min=15 cw_max=1023 aifs=3) ieee80211 phy14: mac80211_hwsim_bss_info_changed: BSSID changed: 50:50:50:50:50:50 ieee80211 phy14: BCN EN: 1 (BI=100) ieee80211 phy14: ERP_CTS_PROT: 0 ieee80211 phy14: ERP_PREAMBLE: 0 ieee80211 phy14: ERP_SLOT: 0 ieee80211 phy14: HT: op_mode=0xb ieee80211 phy14: BASIC_RATES: 0x1 ieee80211 phy15: mac80211_hwsim_conf_tx (queue=3 txop=0 cw_min=15 cw_max=1023 aifs=7) ieee80211 phy15: mac80211_hwsim_bss_info_changed(changed=0x2000 vif->addr=02:00:00:00:0f:00) ieee80211 phy15: mac80211_hwsim_config (freq=2412(2412 - 0)/noht idle=1 ps=0 smps=static) ieee80211 phy15: mac80211_hwsim_configure_filter IPv6: ADDRCONF(NETDEV_UP): wlan1: link is not ready ieee80211 phy15: mac80211_hwsim_configure_filter ieee80211 phy15: mac80211_hwsim_bss_info_changed(changed=0x10 vif->addr=02:00:00:00:0f:00) ieee80211 phy15: 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 IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready ieee80211 phy15: mac80211_hwsim_config (freq=2412(2412 - 0)/noht idle=0 ps=0 smps=static) ieee80211 phy14: mac80211_hwsim_configure_filter ieee80211 phy15: mac80211_hwsim_config (freq=2412(2412 - 0)/noht idle=0 ps=0 smps=static) ieee80211 phy15: mac80211_hwsim_bss_info_changed(changed=0x40000 vif->addr=02:00:00:00:0f:00) ieee80211 phy15: TX Power: 20 dBm ieee80211 phy15: mac80211_hwsim_bss_info_changed(changed=0x4000 vif->addr=02:00:00:00:0f:00) ieee80211 phy15: mac80211_hwsim_conf_tx (queue=0 txop=0 cw_min=15 cw_max=1023 aifs=2) ieee80211 phy15: mac80211_hwsim_conf_tx (queue=1 txop=0 cw_min=15 cw_max=1023 aifs=2) ieee80211 phy15: mac80211_hwsim_conf_tx (queue=2 txop=0 cw_min=15 cw_max=1023 aifs=2) ieee80211 phy15: mac80211_hwsim_conf_tx (queue=3 txop=0 cw_min=15 cw_max=1023 aifs=2) ieee80211 phy15: mac80211_hwsim_bss_info_changed(changed=0x2000 vif->addr=02:00:00:00:0f:00) ieee80211 phy15: mac80211_hwsim_bss_info_changed(changed=0x8bfe vif->addr=02:00:00:00:0f:00) ieee80211 phy15: mac80211_hwsim_bss_info_changed: BSSID changed: 50:50:50:50:50:50 ieee80211 phy15: BCN EN: 1 (BI=100) ieee80211 phy15: ERP_CTS_PROT: 0 ieee80211 phy15: ERP_PREAMBLE: 0 ieee80211 phy15: ERP_SLOT: 0 ieee80211 phy15: HT: op_mode=0xb ieee80211 phy15: BASIC_RATES: 0x1 IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready ieee80211 phy15: mac80211_hwsim_configure_filter