netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. netlink: 16 bytes leftover after parsing attributes in process `syz-executor.4'. netlink: 16 bytes leftover after parsing attributes in process `syz-executor.4'. ================================ WARNING: inconsistent lock state 4.14.198-syzkaller #0 Not tainted -------------------------------- inconsistent {IN-SOFTIRQ-W} -> {SOFTIRQ-ON-W} usage. syz-executor.2/26578 [HC0[0]:SC0[0]:HE1:SE1] takes: (slock-AF_BLUETOOTH-BTPROTO_SCO){+.?.}, at: [] spin_lock include/linux/spinlock.h:317 [inline] (slock-AF_BLUETOOTH-BTPROTO_SCO){+.?.}, at: [] sco_conn_del+0xb0/0x1e0 net/bluetooth/sco.c:175 {IN-SOFTIRQ-W} state was registered at: lock_acquire+0x170/0x3f0 kernel/locking/lockdep.c:3998 __raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline] _raw_spin_lock+0x2a/0x40 kernel/locking/spinlock.c:152 spin_lock include/linux/spinlock.h:317 [inline] sco_sock_timeout+0x1a/0x150 net/bluetooth/sco.c:82 call_timer_fn+0x14a/0x650 kernel/time/timer.c:1280 expire_timers+0x232/0x4d0 kernel/time/timer.c:1319 __run_timers kernel/time/timer.c:1644 [inline] run_timer_softirq+0x1d5/0x5a0 kernel/time/timer.c:1657 __do_softirq+0x254/0xa1d kernel/softirq.c:288 invoke_softirq kernel/softirq.c:368 [inline] irq_exit+0x193/0x240 kernel/softirq.c:409 exiting_irq arch/x86/include/asm/apic.h:648 [inline] smp_apic_timer_interrupt+0x141/0x5e0 arch/x86/kernel/apic/apic.c:1102 apic_timer_interrupt+0x93/0xa0 arch/x86/entry/entry_64.S:793 memcmp+0x33/0xb0 lib/string.c:861 find_stack lib/stackdepot.c:180 [inline] depot_save_stack+0x10d/0x3e3 lib/stackdepot.c:229 save_stack mm/kasan/kasan.c:453 [inline] set_track mm/kasan/kasan.c:459 [inline] kasan_kmalloc+0x139/0x160 mm/kasan/kasan.c:551 slab_post_alloc_hook mm/slab.h:442 [inline] slab_alloc mm/slab.c:3390 [inline] kmem_cache_alloc+0x111/0x3c0 mm/slab.c:3550 kmem_cache_zalloc include/linux/slab.h:651 [inline] alloc_buffer_head+0x20/0x110 fs/buffer.c:3445 alloc_page_buffers+0xb3/0x1f0 fs/buffer.c:874 create_empty_buffers+0x36/0x450 fs/buffer.c:1590 create_page_buffers+0x14d/0x1c0 fs/buffer.c:1707 __block_write_begin_int+0x176/0x1090 fs/buffer.c:2017 ext4_da_write_begin+0x402/0xe70 fs/ext4/inode.c:3108 generic_perform_write+0x1c9/0x420 mm/filemap.c:3047 __generic_file_write_iter+0x227/0x590 mm/filemap.c:3172 ext4_file_write_iter+0x276/0xd20 fs/ext4/file.c:270 call_write_iter include/linux/fs.h:1778 [inline] do_iter_readv_writev+0x4cf/0x5f0 fs/read_write.c:675 do_iter_write+0x152/0x550 fs/read_write.c:954 vfs_iter_write+0x70/0xa0 fs/read_write.c:967 iter_file_splice_write+0x52b/0xa90 fs/splice.c:749 do_splice_from fs/splice.c:851 [inline] direct_splice_actor+0x115/0x160 fs/splice.c:1018 splice_direct_to_actor+0x27c/0x730 fs/splice.c:973 do_splice_direct+0x164/0x210 fs/splice.c:1061 do_sendfile+0x47f/0xb30 fs/read_write.c:1441 SYSC_sendfile64 fs/read_write.c:1502 [inline] SyS_sendfile64+0xff/0x110 fs/read_write.c:1488 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb irq event stamp: 14585 hardirqs last enabled at (14585): [] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:168 [inline] hardirqs last enabled at (14585): [] _raw_spin_unlock_irq+0x24/0x80 kernel/locking/spinlock.c:200 hardirqs last disabled at (14584): [] __raw_spin_lock_irq include/linux/spinlock_api_smp.h:126 [inline] hardirqs last disabled at (14584): [] _raw_spin_lock_irq+0x35/0x80 kernel/locking/spinlock.c:168 softirqs last enabled at (14436): [] spin_unlock_bh include/linux/spinlock.h:362 [inline] softirqs last enabled at (14436): [] peernet2id+0x60/0x70 net/core/net_namespace.c:245 softirqs last disabled at (14434): [] spin_lock_bh include/linux/spinlock.h:322 [inline] softirqs last disabled at (14434): [] peernet2id+0x20/0x70 net/core/net_namespace.c:243 other info that might help us debug this: Possible unsafe locking scenario: CPU0 ---- lock(slock-AF_BLUETOOTH-BTPROTO_SCO); lock(slock-AF_BLUETOOTH-BTPROTO_SCO); *** DEADLOCK *** 4 locks held by syz-executor.2/26578: #0: (rfkill_global_mutex){+.+.}, at: [] rfkill_fop_write+0xbf/0x3c0 net/rfkill/core.c:1225 #1: (&hdev->req_lock){+.+.}, at: [] hci_dev_do_close+0xfd/0xc50 net/bluetooth/hci_core.c:1576 #2: (&hdev->lock){+.+.}, at: [] hci_dev_do_close+0x210/0xc50 net/bluetooth/hci_core.c:1607 #3: (hci_cb_list_lock){+.+.}, at: [] hci_disconn_cfm include/net/bluetooth/hci_core.h:1223 [inline] #3: (hci_cb_list_lock){+.+.}, at: [] hci_conn_hash_flush+0xc7/0x220 net/bluetooth/hci_conn.c:1376 stack backtrace: CPU: 0 PID: 26578 Comm: syz-executor.2 Not tainted 4.14.198-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x283 lib/dump_stack.c:58 print_usage_bug.cold+0x42e/0x570 kernel/locking/lockdep.c:2589 valid_state kernel/locking/lockdep.c:2602 [inline] mark_lock_irq kernel/locking/lockdep.c:2796 [inline] mark_lock+0xb4d/0x1050 kernel/locking/lockdep.c:3194 mark_irqflags kernel/locking/lockdep.c:3090 [inline] __lock_acquire+0xd5c/0x3f20 kernel/locking/lockdep.c:3448 lock_acquire+0x170/0x3f0 kernel/locking/lockdep.c:3998 __raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline] _raw_spin_lock+0x2a/0x40 kernel/locking/spinlock.c:152 spin_lock include/linux/spinlock.h:317 [inline] sco_conn_del+0xb0/0x1e0 net/bluetooth/sco.c:175 sco_disconn_cfm net/bluetooth/sco.c:1134 [inline] sco_disconn_cfm+0x50/0x60 net/bluetooth/sco.c:1127 hci_disconn_cfm include/net/bluetooth/hci_core.h:1226 [inline] hci_conn_hash_flush+0x114/0x220 net/bluetooth/hci_conn.c:1376 hci_dev_do_close+0x542/0xc50 net/bluetooth/hci_core.c:1620 hci_rfkill_set_block net/bluetooth/hci_core.c:2050 [inline] hci_rfkill_set_block+0x94/0xe0 net/bluetooth/hci_core.c:2037 rfkill_set_block+0x1b2/0x4a0 net/rfkill/core.c:337 rfkill_fop_write+0x1b6/0x3c0 net/rfkill/core.c:1233 __vfs_write+0xe4/0x630 fs/read_write.c:480 __kernel_write+0xf5/0x330 fs/read_write.c:501 write_pipe_buf+0x143/0x1c0 fs/splice.c:797 splice_from_pipe_feed fs/splice.c:502 [inline] __splice_from_pipe+0x326/0x7a0 fs/splice.c:626 splice_from_pipe fs/splice.c:661 [inline] default_file_splice_write+0xc5/0x150 fs/splice.c:809 do_splice_from fs/splice.c:851 [inline] direct_splice_actor+0x115/0x160 fs/splice.c:1018 splice_direct_to_actor+0x27c/0x730 fs/splice.c:973 do_splice_direct+0x164/0x210 fs/splice.c:1061 do_sendfile+0x47f/0xb30 fs/read_write.c:1441 SYSC_sendfile64 fs/read_write.c:1496 [inline] SyS_sendfile64+0x9b/0x110 fs/read_write.c:1488 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x45de59 RSP: 002b:00007efd56f07c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 RAX: ffffffffffffffda RBX: 0000000000027ec0 RCX: 000000000045de59 RDX: 0000000020000000 RSI: 0000000000000005 RDI: 0000000000000004 RBP: 000000000118bf68 R08: 0000000000000000 R09: 0000000000000000 R10: 7fffffffffffffff R11: 0000000000000246 R12: 000000000118bf2c R13: 00007ffcd953ee5f R14: 00007efd56f089c0 R15: 000000000118bf2c ieee80211 phy20: mac80211_hwsim_bss_info_changed(changed=0xa00 vif->addr=02:00:00:00:14:00) ieee80211 phy20: BCN EN: 0 (BI=100) ieee80211 phy20: beaconing vifs remaining: 0 ieee80211 phy20: mac80211_hwsim_bss_info_changed(changed=0x4000 vif->addr=02:00:00:00:14:00) ieee80211 phy20: mac80211_hwsim_config (freq=2412(2412 - 0)/noht idle=0 ps=0 smps=static) ieee80211 phy20: mac80211_hwsim_config (freq=2412(2412 - 0)/noht idle=1 ps=0 smps=static) ieee80211 phy20: mac80211_hwsim_remove_interface (type=1 mac_addr=02:00:00:00:14:00) ieee80211 phy20: mac80211_hwsim_stop ieee80211 phy21: mac80211_hwsim_bss_info_changed(changed=0xa00 vif->addr=02:00:00:00:15:00) ieee80211 phy21: BCN EN: 0 (BI=100) ieee80211 phy21: beaconing vifs remaining: 0 ieee80211 phy21: mac80211_hwsim_bss_info_changed(changed=0x4000 vif->addr=02:00:00:00:15:00) ieee80211 phy21: mac80211_hwsim_config (freq=2412(2412 - 0)/noht idle=0 ps=0 smps=static) ieee80211 phy21: mac80211_hwsim_config (freq=2412(2412 - 0)/noht idle=1 ps=0 smps=static) ieee80211 phy21: mac80211_hwsim_remove_interface (type=1 mac_addr=02:00:00:00:15:00) ieee80211 phy21: mac80211_hwsim_stop ieee80211 phy24: mac80211_hwsim_bss_info_changed(changed=0xa00 vif->addr=02:00:00:00:18:00) ieee80211 phy24: BCN EN: 0 (BI=100) ieee80211 phy24: beaconing vifs remaining: 0 ieee80211 phy24: mac80211_hwsim_bss_info_changed(changed=0x4000 vif->addr=02:00:00:00:18:00) ieee80211 phy24: mac80211_hwsim_config (freq=2412(2412 - 0)/noht idle=0 ps=0 smps=static) ieee80211 phy24: mac80211_hwsim_config (freq=2412(2412 - 0)/noht idle=1 ps=0 smps=static) ieee80211 phy24: mac80211_hwsim_remove_interface (type=1 mac_addr=02:00:00:00:18:00) ieee80211 phy24: mac80211_hwsim_stop ieee80211 phy25: mac80211_hwsim_bss_info_changed(changed=0xa00 vif->addr=02:00:00:00:19:00) ieee80211 phy25: BCN EN: 0 (BI=100) ieee80211 phy25: beaconing vifs remaining: 0 ieee80211 phy25: mac80211_hwsim_bss_info_changed(changed=0x4000 vif->addr=02:00:00:00:19:00) ieee80211 phy25: mac80211_hwsim_config (freq=2412(2412 - 0)/noht idle=0 ps=0 smps=static) ieee80211 phy25: mac80211_hwsim_config (freq=2412(2412 - 0)/noht idle=1 ps=0 smps=static) ieee80211 phy25: mac80211_hwsim_remove_interface (type=1 mac_addr=02:00:00:00:19:00) ieee80211 phy25: mac80211_hwsim_stop ieee80211 phy30: mac80211_hwsim_bss_info_changed(changed=0xa00 vif->addr=02:00:00:00:1e:00) ieee80211 phy30: BCN EN: 0 (BI=100) ieee80211 phy30: beaconing vifs remaining: 0 ieee80211 phy30: mac80211_hwsim_bss_info_changed(changed=0x4000 vif->addr=02:00:00:00:1e:00) ieee80211 phy30: mac80211_hwsim_config (freq=2412(2412 - 0)/noht idle=0 ps=0 smps=static) ieee80211 phy30: mac80211_hwsim_config (freq=2412(2412 - 0)/noht idle=1 ps=0 smps=static) ieee80211 phy30: mac80211_hwsim_remove_interface (type=1 mac_addr=02:00:00:00:1e:00) ieee80211 phy30: mac80211_hwsim_stop ieee80211 phy31: mac80211_hwsim_bss_info_changed(changed=0xa00 vif->addr=02:00:00:00:1f:00) ieee80211 phy31: BCN EN: 0 (BI=100) ieee80211 phy31: beaconing vifs remaining: 0 ieee80211 phy31: mac80211_hwsim_bss_info_changed(changed=0x4000 vif->addr=02:00:00:00:1f:00) ieee80211 phy31: mac80211_hwsim_config (freq=2412(2412 - 0)/noht idle=0 ps=0 smps=static) ieee80211 phy31: mac80211_hwsim_config (freq=2412(2412 - 0)/noht idle=1 ps=0 smps=static) ieee80211 phy31: mac80211_hwsim_remove_interface (type=1 mac_addr=02:00:00:00:1f:00) ieee80211 phy31: mac80211_hwsim_stop batman_adv: batadv0: Interface deactivated: batadv_slave_0 batman_adv: batadv0: Removing interface: batadv_slave_0 batman_adv: batadv0: Interface deactivated: batadv_slave_1 audit: type=1804 audit(1602556125.357:935): pid=26727 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op="invalid_pcr" cause="open_writers" comm="syz-executor.2" name="/root/syzkaller-testdir949558655/syzkaller.SmPC2N/582/bus" dev="sda1" ino=16249 res=1 batman_adv: batadv0: Removing interface: batadv_slave_1 audit: type=1804 audit(1602556125.477:936): pid=26735 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op="invalid_pcr" cause="open_writers" comm="syz-executor.3" name="/root/syzkaller-testdir145719557/syzkaller.oT8dkI/577/bus" dev="sda1" ino=16263 res=1 device bridge_slave_1 left promiscuous mode bridge0: port 2(bridge_slave_1) entered disabled state device bridge_slave_0 left promiscuous mode bridge0: port 1(bridge_slave_0) entered disabled state device veth1_macvtap left promiscuous mode device veth0_macvtap left promiscuous mode device veth1_vlan left promiscuous mode device veth0_vlan left promiscuous mode device hsr_slave_1 left promiscuous mode device hsr_slave_0 left promiscuous mode team0 (unregistering): Port device team_slave_1 removed team0 (unregistering): Port device team_slave_0 removed bond0 (unregistering): Releasing backup interface bond_slave_1 bond0 (unregistering): Releasing backup interface bond_slave_0 audit: type=1804 audit(1602556126.167:937): pid=26741 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op="invalid_pcr" cause="ToMToU" comm="syz-executor.2" name="/root/syzkaller-testdir949558655/syzkaller.SmPC2N/582/bus" dev="sda1" ino=16249 res=1 bond0 (unregistering): Released all slaves audit: type=1804 audit(1602556126.267:938): pid=26737 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op="invalid_pcr" cause="ToMToU" comm="syz-executor.3" name="/root/syzkaller-testdir145719557/syzkaller.oT8dkI/577/bus" dev="sda1" ino=16263 res=1 audit: type=1804 audit(1602556126.347:939): pid=26743 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op="invalid_pcr" cause="open_writers" comm="syz-executor.2" name="/root/syzkaller-testdir949558655/syzkaller.SmPC2N/582/bus" dev="sda1" ino=16249 res=1 audit: type=1804 audit(1602556126.367:940): pid=26745 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op="invalid_pcr" cause="open_writers" comm="syz-executor.3" name="/root/syzkaller-testdir145719557/syzkaller.oT8dkI/577/bus" dev="sda1" ino=16263 res=1 batman_adv: batadv0: Interface deactivated: batadv_slave_0 batman_adv: batadv0: Removing interface: batadv_slave_0 batman_adv: batadv0: Interface deactivated: batadv_slave_1 batman_adv: batadv0: Removing interface: batadv_slave_1 device bridge_slave_1 left promiscuous mode bridge0: port 2(bridge_slave_1) entered disabled state device bridge_slave_0 left promiscuous mode bridge0: port 1(bridge_slave_0) entered disabled state device veth1_macvtap left promiscuous mode device veth0_macvtap left promiscuous mode device veth1_vlan left promiscuous mode device veth0_vlan left promiscuous mode device hsr_slave_1 left promiscuous mode device hsr_slave_0 left promiscuous mode team0 (unregistering): Port device team_slave_1 removed team0 (unregistering): Port device team_slave_0 removed bond0 (unregistering): Releasing backup interface bond_slave_1 bond0 (unregistering): Releasing backup interface bond_slave_0 bond0 (unregistering): Released all slaves IPVS: ftp: loaded support on port[0] = 21 chnl_net:caif_netlink_parms(): no params data found bridge0: port 1(bridge_slave_0) entered blocking state bridge0: port 1(bridge_slave_0) entered disabled state device bridge_slave_0 entered promiscuous mode bridge0: port 2(bridge_slave_1) entered blocking state bridge0: port 2(bridge_slave_1) entered disabled state device bridge_slave_1 entered promiscuous mode bond0: Enslaving bond_slave_0 as an active interface with an up link bond0: Enslaving bond_slave_1 as an active interface with an up link IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready team0: Port device team_slave_0 added IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready team0: Port device team_slave_1 added batman_adv: batadv0: Adding interface: batadv_slave_0 batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active batman_adv: batadv0: Adding interface: batadv_slave_1 batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready device hsr_slave_0 entered promiscuous mode device hsr_slave_1 entered promiscuous mode IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready 8021q: adding VLAN 0 to HW filter on device bond0 IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready 8021q: adding VLAN 0 to HW filter on device team0 IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready bridge0: port 1(bridge_slave_0) entered blocking state bridge0: port 1(bridge_slave_0) entered forwarding state IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready bridge0: port 2(bridge_slave_1) entered blocking state bridge0: port 2(bridge_slave_1) entered forwarding state IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready 8021q: adding VLAN 0 to HW filter on device batadv0 IPv6: ADDRCONF(NETDEV_UP): veth0_virt_wifi: link is not ready IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready IPv6: ADDRCONF(NETDEV_UP): veth0_vlan: link is not ready IPv6: ADDRCONF(NETDEV_UP): vlan0: link is not ready IPv6: ADDRCONF(NETDEV_UP): vlan1: link is not ready IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready device veth0_vlan entered promiscuous mode device veth1_vlan entered promiscuous mode IPv6: ADDRCONF(NETDEV_UP): macvlan0: link is not ready IPv6: ADDRCONF(NETDEV_UP): macvlan1: link is not ready IPv6: ADDRCONF(NETDEV_UP): veth0_macvtap: link is not ready IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready 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 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! 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): macvtap0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready 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! 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! 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! 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! IPv6: ADDRCONF(NETDEV_UP): batadv_slave_1: link is not ready batman_adv: batadv0: Interface activated: batadv_slave_1 IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready ieee80211 phy32: Selected rate control algorithm 'minstrel_ht' ieee80211 phy32: hwaddr 02:00:00:00:20:00 registered ieee80211 phy32: mac80211_hwsim_start ieee80211 phy32: mac80211_hwsim_add_interface (type=1 mac_addr=02:00:00:00:20:00) ieee80211 phy32: mac80211_hwsim_bss_info_changed(changed=0xe vif->addr=02:00:00:00:20:00) ieee80211 phy32: ERP_CTS_PROT: 0 ieee80211 phy32: ERP_PREAMBLE: 0 ieee80211 phy32: ERP_SLOT: 0 ieee80211 phy32: mac80211_hwsim_conf_tx (queue=0 txop=47 cw_min=3 cw_max=7 aifs=2) ieee80211 phy32: mac80211_hwsim_conf_tx (queue=1 txop=94 cw_min=7 cw_max=15 aifs=2) ieee80211 phy32: mac80211_hwsim_conf_tx (queue=2 txop=0 cw_min=15 cw_max=1023 aifs=3) ieee80211 phy32: mac80211_hwsim_conf_tx (queue=3 txop=0 cw_min=15 cw_max=1023 aifs=7) ieee80211 phy32: mac80211_hwsim_bss_info_changed(changed=0x2000 vif->addr=02:00:00:00:20:00) ieee80211 phy32: mac80211_hwsim_config (freq=2412(2412 - 0)/noht idle=1 ps=0 smps=static) ieee80211 phy32: mac80211_hwsim_configure_filter ieee80211 phy32: mac80211_hwsim_configure_filter IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready ieee80211 phy32: mac80211_hwsim_bss_info_changed(changed=0x10 vif->addr=02:00:00:00:20:00) ieee80211 phy32: HT: op_mode=0xb wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 ieee80211 phy33: Selected rate control algorithm 'minstrel_ht' wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 ieee80211 phy32: mac80211_hwsim_config (freq=2412(2412 - 0)/noht idle=0 ps=0 smps=static) ieee80211 phy33: hwaddr 02:00:00:00:21:00 registered ieee80211 phy32: mac80211_hwsim_config (freq=2412(2412 - 0)/noht idle=0 ps=0 smps=static) ieee80211 phy33: mac80211_hwsim_start ieee80211 phy32: mac80211_hwsim_bss_info_changed(changed=0x40000 vif->addr=02:00:00:00:20:00) ieee80211 phy33: mac80211_hwsim_add_interface (type=1 mac_addr=02:00:00:00:21:00) ieee80211 phy32: TX Power: 20 dBm ieee80211 phy32: mac80211_hwsim_bss_info_changed(changed=0x4000 vif->addr=02:00:00:00:20:00) ieee80211 phy33: mac80211_hwsim_bss_info_changed(changed=0xe vif->addr=02:00:00:00:21:00) ieee80211 phy33: ERP_CTS_PROT: 0 ieee80211 phy33: ERP_PREAMBLE: 0 ieee80211 phy33: ERP_SLOT: 0 ieee80211 phy32: mac80211_hwsim_conf_tx (queue=0 txop=0 cw_min=15 cw_max=1023 aifs=2) ieee80211 phy33: mac80211_hwsim_conf_tx (queue=0 txop=47 cw_min=3 cw_max=7 aifs=2) ieee80211 phy32: mac80211_hwsim_conf_tx (queue=1 txop=0 cw_min=15 cw_max=1023 aifs=2) ieee80211 phy33: mac80211_hwsim_conf_tx (queue=1 txop=94 cw_min=7 cw_max=15 aifs=2) ieee80211 phy32: mac80211_hwsim_conf_tx (queue=2 txop=0 cw_min=15 cw_max=1023 aifs=2) ieee80211 phy33: mac80211_hwsim_conf_tx (queue=2 txop=0 cw_min=15 cw_max=1023 aifs=3) ieee80211 phy32: mac80211_hwsim_conf_tx (queue=3 txop=0 cw_min=15 cw_max=1023 aifs=2) ieee80211 phy33: mac80211_hwsim_conf_tx (queue=3 txop=0 cw_min=15 cw_max=1023 aifs=7) ieee80211 phy33: mac80211_hwsim_bss_info_changed(changed=0x2000 vif->addr=02:00:00:00:21:00) ieee80211 phy32: mac80211_hwsim_bss_info_changed(changed=0x2000 vif->addr=02:00:00:00:20:00) ieee80211 phy33: mac80211_hwsim_config (freq=2412(2412 - 0)/noht idle=1 ps=0 smps=static) ieee80211 phy33: mac80211_hwsim_configure_filter IPv6: ADDRCONF(NETDEV_UP): wlan1: link is not ready ieee80211 phy33: mac80211_hwsim_configure_filter ieee80211 phy32: mac80211_hwsim_bss_info_changed(changed=0x8bfe vif->addr=02:00:00:00:20:00) ieee80211 phy33: mac80211_hwsim_bss_info_changed(changed=0x10 vif->addr=02:00:00:00:21:00) ieee80211 phy32: mac80211_hwsim_bss_info_changed: BSSID changed: 50:50:50:50:50:50 ieee80211 phy32: BCN EN: 1 (BI=100) ieee80211 phy33: 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 phy32: ERP_CTS_PROT: 0 ieee80211 phy32: ERP_PREAMBLE: 0 ieee80211 phy32: ERP_SLOT: 0 ieee80211 phy33: mac80211_hwsim_config (freq=2412(2412 - 0)/noht idle=0 ps=0 smps=static) ieee80211 phy32: HT: op_mode=0xb ieee80211 phy32: BASIC_RATES: 0x1 ieee80211 phy33: mac80211_hwsim_config (freq=2412(2412 - 0)/noht idle=0 ps=0 smps=static) IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready ieee80211 phy33: mac80211_hwsim_bss_info_changed(changed=0x40000 vif->addr=02:00:00:00:21:00) ieee80211 phy32: mac80211_hwsim_configure_filter ieee80211 phy33: TX Power: 20 dBm ieee80211 phy33: mac80211_hwsim_bss_info_changed(changed=0x4000 vif->addr=02:00:00:00:21:00) ieee80211 phy33: mac80211_hwsim_conf_tx (queue=0 txop=0 cw_min=15 cw_max=1023 aifs=2) ieee80211 phy33: mac80211_hwsim_conf_tx (queue=1 txop=0 cw_min=15 cw_max=1023 aifs=2) ieee80211 phy33: mac80211_hwsim_conf_tx (queue=2 txop=0 cw_min=15 cw_max=1023 aifs=2) ieee80211 phy33: mac80211_hwsim_conf_tx (queue=3 txop=0 cw_min=15 cw_max=1023 aifs=2) ieee80211 phy33: mac80211_hwsim_bss_info_changed(changed=0x2000 vif->addr=02:00:00:00:21:00) ieee80211 phy33: mac80211_hwsim_bss_info_changed(changed=0x8bfe vif->addr=02:00:00:00:21:00) ieee80211 phy33: mac80211_hwsim_bss_info_changed: BSSID changed: 50:50:50:50:50:50 ieee80211 phy33: BCN EN: 1 (BI=100) ieee80211 phy33: ERP_CTS_PROT: 0 ieee80211 phy33: ERP_PREAMBLE: 0 ieee80211 phy33: ERP_SLOT: 0 ieee80211 phy33: HT: op_mode=0xb ieee80211 phy33: BASIC_RATES: 0x1 IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready ieee80211 phy33: mac80211_hwsim_configure_filter audit: type=1804 audit(1602556131.607:941): pid=27052 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op="invalid_pcr" cause="open_writers" comm="syz-executor.3" name="/root/syzkaller-testdir145719557/syzkaller.oT8dkI/578/bus" dev="sda1" ino=15722 res=1 audit: type=1804 audit(1602556131.847:942): pid=27069 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op="invalid_pcr" cause="open_writers" comm="syz-executor.5" name="/root/syzkaller-testdir575498267/syzkaller.0UX9HT/621/bus" dev="sda1" ino=16245 res=1 ieee80211 phy32: mac80211_hwsim_bss_info_changed(changed=0xa00 vif->addr=02:00:00:00:20:00) ieee80211 phy32: BCN EN: 0 (BI=100) ieee80211 phy32: beaconing vifs remaining: 0 ieee80211 phy32: mac80211_hwsim_bss_info_changed(changed=0x4000 vif->addr=02:00:00:00:20:00) ieee80211 phy32: mac80211_hwsim_config (freq=2412(2412 - 0)/noht idle=0 ps=0 smps=static) ieee80211 phy32: mac80211_hwsim_config (freq=2412(2412 - 0)/noht idle=1 ps=0 smps=static) audit: type=1804 audit(1602556132.407:943): pid=27060 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op="invalid_pcr" cause="ToMToU" comm="syz-executor.3" name="/root/syzkaller-testdir145719557/syzkaller.oT8dkI/578/bus" dev="sda1" ino=15722 res=1 ieee80211 phy32: mac80211_hwsim_remove_interface (type=1 mac_addr=02:00:00:00:20:00) ieee80211 phy32: mac80211_hwsim_stop ieee80211 phy33: mac80211_hwsim_bss_info_changed(changed=0xa00 vif->addr=02:00:00:00:21:00) ieee80211 phy33: BCN EN: 0 (BI=100) ieee80211 phy33: beaconing vifs remaining: 0 ieee80211 phy33: mac80211_hwsim_bss_info_changed(changed=0x4000 vif->addr=02:00:00:00:21:00) ieee80211 phy33: mac80211_hwsim_config (freq=2412(2412 - 0)/noht idle=0 ps=0 smps=static) audit: type=1804 audit(1602556132.577:944): pid=27079 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op="invalid_pcr" cause="open_writers" comm="syz-executor.3" name="/root/syzkaller-testdir145719557/syzkaller.oT8dkI/578/bus" dev="sda1" ino=15722 res=1 ieee80211 phy33: mac80211_hwsim_config (freq=2412(2412 - 0)/noht idle=1 ps=0 smps=static) ieee80211 phy33: mac80211_hwsim_remove_interface (type=1 mac_addr=02:00:00:00:21:00) ieee80211 phy33: mac80211_hwsim_stop batman_adv: batadv0: Interface deactivated: batadv_slave_0 batman_adv: batadv0: Removing interface: batadv_slave_0 batman_adv: batadv0: Interface deactivated: batadv_slave_1 batman_adv: batadv0: Removing interface: batadv_slave_1 device bridge_slave_1 left promiscuous mode bridge0: port 2(bridge_slave_1) entered disabled state device bridge_slave_0 left promiscuous mode bridge0: port 1(bridge_slave_0) entered disabled state device veth1_macvtap left promiscuous mode device veth0_macvtap left promiscuous mode device veth1_vlan left promiscuous mode device veth0_vlan left promiscuous mode device hsr_slave_1 left promiscuous mode device hsr_slave_0 left promiscuous mode team0 (unregistering): Port device team_slave_1 removed team0 (unregistering): Port device team_slave_0 removed bond0 (unregistering): Releasing backup interface bond_slave_1 bond0 (unregistering): Releasing backup interface bond_slave_0 bond0 (unregistering): Released all slaves