Starting Load/Save RF Kill Switch Status... [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.148' (ECDSA) to the list of known hosts. 2020/11/07 12:38:17 fuzzer started 2020/11/07 12:38:17 connecting to host at 10.128.0.26:33973 2020/11/07 12:38:17 checking machine... 2020/11/07 12:38:17 checking revisions... 2020/11/07 12:38:17 testing simple program... syzkaller login: [ 47.981460][ T8472] IPVS: ftp: loaded support on port[0] = 21 [ 48.163145][ T8472] chnl_net:caif_netlink_parms(): no params data found [ 48.217241][ T8472] bridge0: port 1(bridge_slave_0) entered blocking state [ 48.224849][ T8472] bridge0: port 1(bridge_slave_0) entered disabled state [ 48.234821][ T8472] device bridge_slave_0 entered promiscuous mode [ 48.244970][ T8472] bridge0: port 2(bridge_slave_1) entered blocking state [ 48.253573][ T8472] bridge0: port 2(bridge_slave_1) entered disabled state [ 48.261888][ T8472] device bridge_slave_1 entered promiscuous mode [ 48.282792][ T8472] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 48.293522][ T8472] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 48.316033][ T8472] team0: Port device team_slave_0 added [ 48.323428][ T8472] team0: Port device team_slave_1 added [ 48.341780][ T8472] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 48.349421][ T8472] 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. [ 48.376835][ T8472] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 48.390624][ T8472] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 48.397991][ T8472] 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. [ 48.424771][ T8472] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 48.451643][ T8472] device hsr_slave_0 entered promiscuous mode [ 48.459023][ T8472] device hsr_slave_1 entered promiscuous mode [ 48.554599][ T8472] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 48.565117][ T8472] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 48.575389][ T8472] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 48.585328][ T8472] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 48.609525][ T8472] bridge0: port 2(bridge_slave_1) entered blocking state [ 48.616692][ T8472] bridge0: port 2(bridge_slave_1) entered forwarding state [ 48.624784][ T8472] bridge0: port 1(bridge_slave_0) entered blocking state [ 48.631947][ T8472] bridge0: port 1(bridge_slave_0) entered forwarding state [ 48.679457][ T8472] 8021q: adding VLAN 0 to HW filter on device bond0 [ 48.694395][ T2988] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 48.705533][ T2988] bridge0: port 1(bridge_slave_0) entered disabled state [ 48.714499][ T2988] bridge0: port 2(bridge_slave_1) entered disabled state [ 48.723784][ T2988] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 48.738469][ T8472] 8021q: adding VLAN 0 to HW filter on device team0 [ 48.751618][ T3180] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 48.761734][ T3180] bridge0: port 1(bridge_slave_0) entered blocking state [ 48.768883][ T3180] bridge0: port 1(bridge_slave_0) entered forwarding state [ 48.790527][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 48.799429][ T7] bridge0: port 2(bridge_slave_1) entered blocking state [ 48.806469][ T7] bridge0: port 2(bridge_slave_1) entered forwarding state [ 48.816406][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 48.836022][ T8472] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 48.846832][ T8472] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 48.860257][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 48.868522][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 48.877815][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 48.886583][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 48.898361][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 48.914370][ T2988] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 48.922101][ T2988] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 48.934617][ T8472] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 48.954632][ T2988] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 48.974756][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 48.984080][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 48.993634][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 49.005723][ T8472] device veth0_vlan entered promiscuous mode [ 49.018761][ T8472] device veth1_vlan entered promiscuous mode [ 49.040211][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 49.049111][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 49.059565][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 49.070797][ T8472] device veth0_macvtap entered promiscuous mode [ 49.082360][ T8472] device veth1_macvtap entered promiscuous mode [ 49.099621][ T8472] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 49.108004][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 49.119383][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 49.132056][ T8472] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 49.141668][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 49.152968][ T8472] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 49.161908][ T8472] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 49.170810][ T8472] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 49.179615][ T8472] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 49.260960][ T276] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 49.285121][ T276] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 49.295096][ T8] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 49.307788][ T8] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 49.308447][ T3180] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 49.330212][ T3180] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 49.383482][ T8] BUG: sleeping function called from invalid context at net/mac80211/sta_info.c:1962 [ 49.383576][ T276] [ 49.395512][ T276] ============================= [ 49.396366][ T8] in_atomic(): 0, irqs_disabled(): 0, non_block: 0, pid: 8, name: kworker/u4:0 [ 49.400352][ T276] [ BUG: Invalid wait context ] [ 49.400358][ T276] 5.10.0-rc2-syzkaller #0 Not tainted [ 49.400360][ T276] ----------------------------- [ 49.400365][ T276] kworker/u4:6/276 is trying to lock: 2020/11/07 12:38:20 building call list... [ 49.400370][ T276] ffff88802cfba9d0 (&local->chanctx_mtx){+.+.}-{3:3}, at: ieee80211_recalc_min_chandef+0x4d/0x120 [ 49.400397][ T276] other info that might help us debug this: [ 49.400401][ T276] context-{4:4} [ 49.400406][ T276] 4 locks held by kworker/u4:6/276: [ 49.400408][ T276] #0: ffff8880360a6938 ((wq_completion)phy4){+.+.}-{0:0}, at: process_one_work+0x6f4/0xfc0 [ 49.400432][ T276] #1: ffffc90001a3fd80 [ 49.419441][ T8] INFO: lockdep is turned off. [ 49.420229][ T276] ( [ 49.425059][ T8] Preemption disabled at: [ 49.430395][ T276] (work_completion)(&sdata->work)){+.+.}-{0:0}, at: process_one_work+0x733/0xfc0 [ 49.430415][ T276] #2: ffff888036140d00 (&wdev->mtx){+.+.}-{3:3}, at: ieee80211_ibss_work+0x4e/0x1450 [ 49.430438][ T276] #3: ffffffff8bae6800 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x30 [ 49.430458][ T276] stack backtrace: [ 49.430467][ T276] CPU: 0 PID: 276 Comm: kworker/u4:6 Not tainted 5.10.0-rc2-syzkaller #0 [ 49.430471][ T276] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 49.430480][ T276] Workqueue: phy4 ieee80211_iface_work [ 49.430491][ T276] Call Trace: [ 49.481747][ T8] [] __mutex_lock_common+0x15c/0x2f20 [ 49.490331][ T276] dump_stack+0x137/0x1be [ 49.490342][ T276] ? wake_up_klogd+0xb2/0xf0 [ 49.490351][ T276] __lock_acquire+0x25be/0x6250 [ 49.490370][ T276] ? rcu_read_lock_sched_held+0x41/0xb0 [ 49.490384][ T276] lock_acquire+0x114/0x5e0 [ 49.572840][ T276] ? ieee80211_recalc_min_chandef+0x4d/0x120 [ 49.578915][ T276] __mutex_lock_common+0x189/0x2f20 [ 49.584103][ T276] ? ieee80211_recalc_min_chandef+0x4d/0x120 [ 49.590083][ T276] ? ieee80211_clear_fast_rx+0x6f/0xb0 [ 49.595550][ T276] ? ieee80211_clear_fast_rx+0x6f/0xb0 [ 49.601007][ T276] ? rcu_read_lock_sched_held+0x41/0xb0 [ 49.606540][ T276] ? ieee80211_recalc_min_chandef+0x4d/0x120 [ 49.612510][ T276] mutex_lock_nested+0x1a/0x20 [ 49.617255][ T276] ieee80211_recalc_min_chandef+0x4d/0x120 [ 49.623074][ T276] sta_info_move_state+0x38a/0x830 [ 49.628167][ T276] sta_info_free+0xcb/0x330 executing program [ 49.632652][ T276] sta_info_insert_rcu+0x1462/0x1fb0 [ 49.637929][ T276] ? rcu_lock_release+0x5/0x20 [ 49.642702][ T276] ? minstrel_ht_alloc_sta+0x3b0/0x3b0 [ 49.648149][ T276] ? rate_control_rate_init+0x4c6/0x560 [ 49.653681][ T276] ieee80211_ibss_finish_sta+0x21c/0x2e0 [ 49.659295][ T276] ieee80211_ibss_work+0x218/0x1450 [ 49.664477][ T276] ? ieee80211_iface_work+0x949/0xa80 [ 49.669839][ T276] process_one_work+0x789/0xfc0 [ 49.674688][ T276] worker_thread+0xaa4/0x1460 [ 49.679371][ T276] kthread+0x36b/0x390 [ 49.683437][ T276] ? rcu_lock_release+0x20/0x20 [ 49.688284][ T276] ? kthread_blkcg+0xd0/0xd0 [ 49.692874][ T276] ret_from_fork+0x1f/0x30 [ 49.697764][ T8] CPU: 1 PID: 8 Comm: kworker/u4:0 Not tainted 5.10.0-rc2-syzkaller #0 [ 49.706009][ T8] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 49.716094][ T8] Workqueue: phy3 ieee80211_iface_work [ 49.721554][ T8] Call Trace: [ 49.724853][ T8] dump_stack+0x137/0x1be [ 49.729186][ T8] ? wake_up_klogd+0xb2/0xf0 [ 49.733782][ T8] ___might_sleep+0x3ef/0x530 [ 49.738464][ T8] ? __mutex_lock_common+0x15c/0x2f20 [ 49.743848][ T8] sta_info_move_state+0x35/0x830 [ 49.748879][ T8] sta_info_free+0xcb/0x330 [ 49.753375][ T8] sta_info_insert_rcu+0x1462/0x1fb0 [ 49.758685][ T8] ? rcu_lock_release+0x5/0x20 [ 49.763436][ T8] ? minstrel_ht_alloc_sta+0x3b0/0x3b0 [ 49.768880][ T8] ? rate_control_rate_init+0x4c6/0x560 [ 49.774416][ T8] ieee80211_ibss_finish_sta+0x21c/0x2e0 [ 49.780038][ T8] ieee80211_ibss_work+0x218/0x1450 [ 49.785228][ T8] ? ieee80211_iface_work+0x949/0xa80 [ 49.790679][ T8] process_one_work+0x789/0xfc0 [ 49.795536][ T8] worker_thread+0xaa4/0x1460 [ 49.800215][ T8] kthread+0x36b/0x390 [ 49.804269][ T8] ? rcu_lock_release+0x20/0x20 [ 49.809103][ T8] ? kthread_blkcg+0xd0/0xd0 [ 49.813677][ T8] ret_from_fork+0x1f/0x30 [ 49.978105][ T8] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 50.046629][ T8472] syz-executor.0 (8472) used greatest stack depth: 24200 bytes left [ 50.069335][ T8] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 50.151680][ T8] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 50.242884][ T8] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 51.464851][ T8] device hsr_slave_0 left promiscuous mode [ 51.486555][ T8] device hsr_slave_1 left promiscuous mode [ 51.492898][ T8] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 51.502793][ T8] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 51.511581][ T8] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 51.519963][ T8] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 51.528691][ T8] device bridge_slave_1 left promiscuous mode [ 51.534892][ T8] bridge0: port 2(bridge_slave_1) entered disabled state [ 51.544793][ T8] device bridge_slave_0 left promiscuous mode [ 51.551990][ T8] bridge0: port 1(bridge_slave_0) entered disabled state [ 51.562833][ T8] device veth1_macvtap left promiscuous mode [ 51.569723][ T8] device veth0_macvtap left promiscuous mode [ 51.575750][ T8] device veth1_vlan left promiscuous mode [ 51.583193][ T8] device veth0_vlan left promiscuous mode [ 52.501505][ T8] team0 (unregistering): Port device team_slave_1 removed [ 52.512431][ T8] team0 (unregistering): Port device team_slave_0 removed [ 52.522123][ T8] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 52.533062][ T8] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface executing program [ 52.559798][ T8] bond0 (unregistering): Released all slaves [ 52.673455][ T8462] can: request_module (can-proto-0) failed. [ 53.006631][ T8462] can: request_module (can-proto-0) failed. [ 53.017109][ T8462] can: request_module (can-proto-0) failed. [ 53.152872][ T8462] base_sock_release(000000001f7f058f) sk=00000000c9083241