IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready 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): wlan1: link becomes ready BUG: sleeping function called from invalid context at net/mac80211/sta_info.c:1850 in_atomic(): 0, irqs_disabled(): 0, pid: 34, name: kworker/u4:2 4 locks held by kworker/u4:2/34: #0: 000000006ca258cf ((wq_completion)"%s"wiphy_name(local->hw.wiphy)){+.+.}, at: process_one_work+0x767/0x1570 kernel/workqueue.c:2126 #1: 000000007466db0c ((work_completion)(&sdata->work)){+.+.}, at: process_one_work+0x79c/0x1570 kernel/workqueue.c:2130 netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. #2: 000000009ac3a223 (&wdev->mtx){+.+.}, at: sdata_lock net/mac80211/ieee80211_i.h:990 [inline] #2: 000000009ac3a223 (&wdev->mtx){+.+.}, at: ieee80211_ibss_work+0x85/0xe10 net/mac80211/ibss.c:1675 #3: 00000000f2fbed59 (rcu_read_lock){....}, at: sta_info_insert_finish net/mac80211/sta_info.c:573 [inline] #3: 00000000f2fbed59 (rcu_read_lock){....}, at: sta_info_insert_rcu+0x48e/0x2310 net/mac80211/sta_info.c:661 Bluetooth: hci2: command 0x040f tx timeout Preemption disabled at: [] rcu_lockdep_current_cpu_online kernel/rcu/tree.c:1076 [inline] [] rcu_lockdep_current_cpu_online+0x32/0x1b0 kernel/rcu/tree.c:1068 batman_adv: batadv0: Adding interface: gretap1 CPU: 0 PID: 34 Comm: kworker/u4:2 Not tainted 4.19.159-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: phy17 ieee80211_iface_work Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1fc/0x2fe lib/dump_stack.c:118 usb usb4: usbfs: process 13923 (syz-executor.0) did not claim interface 0 before use ___might_sleep.cold+0x235/0x250 kernel/sched/core.c:6196 sta_info_move_state+0x32/0x900 net/mac80211/sta_info.c:1850 batman_adv: batadv0: The MTU of interface gretap1 is too small (1442) 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. sta_info_free+0x55/0x390 net/mac80211/sta_info.c:260 sta_info_insert_rcu+0x517/0x2310 net/mac80211/sta_info.c:667 batman_adv: batadv0: Not using interface gretap1 (retrying later): interface not active ieee80211_ibss_finish_sta+0x25b/0x360 net/mac80211/ibss.c:601 ieee80211_ibss_work+0x2b6/0xe10 net/mac80211/ibss.c:1692 ieee80211_iface_work+0x7ba/0x8a0 net/mac80211/iface.c:1366 process_one_work+0x864/0x1570 kernel/workqueue.c:2155 worker_thread+0x64c/0x1130 kernel/workqueue.c:2298 kthread+0x33f/0x460 kernel/kthread.c:259 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415 batman_adv: batadv0: Adding interface: gretap2 batman_adv: batadv0: The MTU of interface gretap2 is too small (1442) 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 gretap2 (retrying later): interface not active batman_adv: Cannot find parent device batman_adv: batadv0: Adding interface: gretap2 batman_adv: batadv0: The MTU of interface gretap2 is too small (1462) 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 gretap2 (retrying later): interface not active netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. batman_adv: batadv0: Adding interface: gretap3 batman_adv: batadv0: The MTU of interface gretap3 is too small (1410) 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 gretap3 (retrying later): interface not active batman_adv: Cannot find parent device batman_adv: batadv0: Adding interface: gretap3 batman_adv: batadv0: The MTU of interface gretap3 is too small (1462) 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 gretap3 (retrying later): interface not active netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. batman_adv: batadv0: Adding interface: gretap4 batman_adv: batadv0: The MTU of interface gretap4 is too small (1396) 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 gretap4 (retrying later): interface not active batman_adv: Cannot find parent device batman_adv: batadv0: Adding interface: gretap4 batman_adv: batadv0: The MTU of interface gretap4 is too small (1462) 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 gretap4 (retrying later): interface not active hid-generic 0000:0000:0000.0001: item fetching failed at offset 0/1 hid-generic: probe of 0000:0000:0000.0001 failed with error -22 hid-generic 0000:0000:0000.0002: item fetching failed at offset 0/1 hid-generic: probe of 0000:0000:0000.0002 failed with error -22 Bluetooth: hci2: command 0x0419 tx timeout input: syz0 as /devices/virtual/input/input11 input: syz0 as /devices/virtual/input/input12 input: syz0 as /devices/virtual/input/input13 input: syz0 as /devices/virtual/input/input14 input: syz0 as /devices/virtual/input/input15 input: syz0 as /devices/virtual/input/input16 input: syz0 as /devices/virtual/input/input17 input: syz0 as /devices/virtual/input/input18 input: syz0 as /devices/virtual/input/input19 input: syz0 as /devices/virtual/input/input20 input: syz0 as /devices/virtual/input/input21 netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. x_tables: ip6_tables: rpfilter match: used from hooks POSTROUTING, but only valid from PREROUTING netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'.