Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.1.6' (ECDSA) to the list of known hosts. 2020/11/14 04:34:12 fuzzer started 2020/11/14 04:34:12 connecting to host at 10.128.0.26:35155 2020/11/14 04:34:12 checking machine... 2020/11/14 04:34:12 checking revisions... 2020/11/14 04:34:12 testing simple program... syzkaller login: [ 69.735350][ T8526] IPVS: ftp: loaded support on port[0] = 21 [ 69.914350][ T8526] chnl_net:caif_netlink_parms(): no params data found [ 69.975198][ T8526] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.983359][ T8526] bridge0: port 1(bridge_slave_0) entered disabled state [ 69.994178][ T8526] device bridge_slave_0 entered promiscuous mode [ 70.004525][ T8526] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.011983][ T8526] bridge0: port 2(bridge_slave_1) entered disabled state [ 70.020111][ T8526] device bridge_slave_1 entered promiscuous mode [ 70.042305][ T8526] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 70.053436][ T8526] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 70.078068][ T8526] team0: Port device team_slave_0 added [ 70.086346][ T8526] team0: Port device team_slave_1 added [ 70.104461][ T8526] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 70.111511][ T8526] 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. [ 70.137494][ T8526] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 70.150576][ T8526] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 70.157668][ T8526] 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. [ 70.183680][ T8526] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 70.213046][ T8526] device hsr_slave_0 entered promiscuous mode [ 70.219941][ T8526] device hsr_slave_1 entered promiscuous mode [ 70.324332][ T8526] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 70.336696][ T8526] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 70.346970][ T8526] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 70.356901][ T8526] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 70.387451][ T8526] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.394814][ T8526] bridge0: port 2(bridge_slave_1) entered forwarding state [ 70.402891][ T8526] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.410085][ T8526] bridge0: port 1(bridge_slave_0) entered forwarding state [ 70.465740][ T8526] 8021q: adding VLAN 0 to HW filter on device bond0 [ 70.480951][ T2999] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 70.493615][ T2999] bridge0: port 1(bridge_slave_0) entered disabled state [ 70.503119][ T2999] bridge0: port 2(bridge_slave_1) entered disabled state [ 70.511506][ T2999] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 70.526638][ T8526] 8021q: adding VLAN 0 to HW filter on device team0 [ 70.539669][ T3191] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 70.550148][ T3191] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.557324][ T3191] bridge0: port 1(bridge_slave_0) entered forwarding state [ 70.577684][ T4097] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 70.586554][ T4097] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.593607][ T4097] bridge0: port 2(bridge_slave_1) entered forwarding state [ 70.620512][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 70.629466][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 70.638351][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 70.647568][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 70.660658][ T3191] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 70.671982][ T8526] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 70.693076][ T3191] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 70.702702][ T3191] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 70.719035][ T8526] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 70.739531][ T3191] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 70.763215][ T2999] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 70.772137][ T2999] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 70.781821][ T2999] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 70.797956][ T8526] device veth0_vlan entered promiscuous mode [ 70.810953][ T8526] device veth1_vlan entered promiscuous mode [ 70.835321][ T3191] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 70.847193][ T3191] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 70.858941][ T3191] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 70.871565][ T8526] device veth0_macvtap entered promiscuous mode [ 70.883158][ T8526] device veth1_macvtap entered promiscuous mode [ 70.896903][ T3191] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 70.914365][ T8526] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 70.922047][ T2999] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 70.932153][ T2999] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 70.946688][ T8526] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 70.955819][ T2999] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 70.965415][ T2999] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 70.977703][ T8526] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 70.987101][ T8526] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 70.996585][ T8526] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 71.007037][ T8526] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 71.121762][ T30] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 71.147900][ T30] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 71.162127][ T21] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 71.177502][ T21] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 71.189162][ T2999] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 71.200181][ T2999] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 71.240794][ T21] BUG: sleeping function called from invalid context at net/mac80211/sta_info.c:1962 [ 71.257380][ T8] [ 71.259751][ T8] ============================= [ 71.264603][ T8] [ BUG: Invalid wait context ] [ 71.269499][ T8] 5.10.0-rc3-syzkaller #0 Not tainted [ 71.274973][ T8] ----------------------------- [ 71.279823][ T8] kworker/u4:0/8 is trying to lock: [ 71.285017][ T8] ffff88801c1829d0 (&local->chanctx_mtx){+.+.}-{3:3}, at: ieee80211_recalc_min_chandef+0x49/0x140 [ 71.295736][ T8] other info that might help us debug this: [ 71.301642][ T8] context-{4:4} [ 71.305101][ T8] 4 locks held by kworker/u4:0/8: [ 71.310119][ T8] #0: ffff88801c84f138 ((wq_completion)phy3){+.+.}-{0:0}, at: process_one_work+0x821/0x15a0 [ 71.320312][ T8] #1: ffffc90000cd7da8 ((work_completion)(&sdata->work)){+.+.}-{0:0}, at: process_one_work+0x854/0x15a0 [ 71.331752][ T8] #2: ffff88802a91cd00 (&wdev->mtx){+.+.}-{3:3}, at: ieee80211_ibss_work+0x93/0xe80 executing program [ 71.341434][ T8] #3: ffffffff8b337160 (rcu_read_lock){....}-{1:2}, at: sta_info_insert_rcu+0x680/0x2ba0 [ 71.351383][ T8] stack backtrace: [ 71.355118][ T8] CPU: 1 PID: 8 Comm: kworker/u4:0 Not tainted 5.10.0-rc3-syzkaller #0 [ 71.360761][ T21] in_atomic(): 0, irqs_disabled(): 0, non_block: 0, pid: 21, name: kworker/u4:1 [ 71.363346][ T8] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 71.363369][ T8] Workqueue: phy3 ieee80211_iface_work [ 71.373728][ T21] INFO: lockdep is turned off. [ 71.382542][ T8] Call Trace: [ 71.382570][ T8] dump_stack+0x107/0x163 [ 71.382585][ T8] __lock_acquire.cold+0x310/0x3a2 [ 71.382601][ T8] ? __percpu_down_read+0x83/0x120 [ 71.382615][ T8] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 71.382637][ T8] lock_acquire+0x2a3/0x8c0 [ 71.396565][ T21] Preemption disabled at: [ 71.400600][ T8] ? ieee80211_recalc_min_chandef+0x49/0x140 [ 71.400630][ T8] ? lock_release+0x710/0x710 [ 71.407682][ T21] [] __mutex_lock+0x10f/0x10e0 [ 71.410819][ T8] __mutex_lock+0x134/0x10e0 [ 71.410844][ T8] ? ieee80211_recalc_min_chandef+0x49/0x140 [ 71.453548][ T8] ? ieee80211_recalc_min_chandef+0x49/0x140 [ 71.459515][ T8] ? mutex_lock_io_nested+0xf60/0xf60 [ 71.464894][ T8] ? ieee80211_clear_fast_rx+0x58/0x80 [ 71.470348][ T8] ? mark_held_locks+0x9f/0xe0 [ 71.475115][ T8] ieee80211_recalc_min_chandef+0x49/0x140 [ 71.480929][ T8] sta_info_move_state+0x3cf/0x8d0 [ 71.486149][ T8] sta_info_free+0x65/0x3b0 [ 71.490686][ T8] sta_info_insert_rcu+0x303/0x2ba0 [ 71.495913][ T8] ? find_held_lock+0x2d/0x110 [ 71.500690][ T8] ? rate_control_rate_init+0x32c/0x6a0 [ 71.506246][ T8] ? sta_info_free+0x3b0/0x3b0 [ 71.511019][ T8] ? __local_bh_enable_ip+0x9c/0x110 [ 71.516316][ T8] ? rate_control_rate_init+0x35f/0x6a0 [ 71.521868][ T8] ieee80211_ibss_finish_sta+0x212/0x390 [ 71.527534][ T8] ? ieee80211_ibss_build_presp+0x15f0/0x15f0 [ 71.533595][ T8] ? __local_bh_enable_ip+0x9c/0x110 [ 71.538900][ T8] ieee80211_ibss_work+0x2c7/0xe80 [ 71.544000][ T8] ? ieee80211_ibss_rx_queued_mgmt+0x1870/0x1870 [ 71.550419][ T8] ? mark_held_locks+0x9f/0xe0 [ 71.555195][ T8] ? _raw_spin_unlock_irqrestore+0x42/0x50 [ 71.560987][ T8] ? lockdep_hardirqs_on+0x79/0x100 [ 71.566457][ T8] ? _raw_spin_unlock_irqrestore+0x2f/0x50 [ 71.572250][ T8] ieee80211_iface_work+0x82e/0x970 [ 71.577435][ T8] process_one_work+0x933/0x15a0 [ 71.582363][ T8] ? lock_release+0x710/0x710 [ 71.587024][ T8] ? pwq_dec_nr_in_flight+0x320/0x320 [ 71.592382][ T8] ? rwlock_bug.part.0+0x90/0x90 [ 71.597319][ T8] ? _raw_spin_lock_irq+0x41/0x50 [ 71.602336][ T8] worker_thread+0x64c/0x1120 [ 71.607009][ T8] ? process_one_work+0x15a0/0x15a0 [ 71.612197][ T8] kthread+0x3af/0x4a0 [ 71.616253][ T8] ? kthread_create_worker_on_cpu+0xf0/0xf0 [ 71.622132][ T8] ret_from_fork+0x1f/0x30 [ 71.636779][ T21] CPU: 0 PID: 21 Comm: kworker/u4:1 Not tainted 5.10.0-rc3-syzkaller #0 [ 71.645149][ T21] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 71.655226][ T21] Workqueue: phy4 ieee80211_iface_work [ 71.660683][ T21] Call Trace: [ 71.663958][ T21] dump_stack+0x107/0x163 [ 71.668273][ T21] ? __mutex_lock+0x10f/0x10e0 [ 71.673040][ T21] ___might_sleep.cold+0x1e8/0x22e [ 71.678150][ T21] sta_info_move_state+0x32/0x8d0 [ 71.683162][ T21] sta_info_free+0x65/0x3b0 [ 71.687647][ T21] sta_info_insert_rcu+0x303/0x2ba0 [ 71.692829][ T21] ? find_held_lock+0x2d/0x110 [ 71.697579][ T21] ? rate_control_rate_init+0x32c/0x6a0 [ 71.703127][ T21] ? sta_info_free+0x3b0/0x3b0 [ 71.707892][ T21] ? __local_bh_enable_ip+0x9c/0x110 [ 71.713190][ T21] ? rate_control_rate_init+0x35f/0x6a0 [ 71.718730][ T21] ieee80211_ibss_finish_sta+0x212/0x390 [ 71.724359][ T21] ? ieee80211_ibss_build_presp+0x15f0/0x15f0 [ 71.730424][ T21] ? __local_bh_enable_ip+0x9c/0x110 [ 71.735791][ T21] ieee80211_ibss_work+0x2c7/0xe80 [ 71.740900][ T21] ? ieee80211_ibss_rx_queued_mgmt+0x1870/0x1870 [ 71.747221][ T21] ? mark_held_locks+0x9f/0xe0 [ 71.751976][ T21] ? _raw_spin_unlock_irqrestore+0x42/0x50 [ 71.757776][ T21] ? lockdep_hardirqs_on+0x79/0x100 [ 71.763060][ T21] ? _raw_spin_unlock_irqrestore+0x2f/0x50 [ 71.768876][ T21] ieee80211_iface_work+0x82e/0x970 [ 71.774112][ T21] process_one_work+0x933/0x15a0 [ 71.779064][ T21] ? lock_release+0x710/0x710 [ 71.783735][ T21] ? pwq_dec_nr_in_flight+0x320/0x320 2020/11/14 04:34:16 building call list... [ 71.789096][ T21] ? rwlock_bug.part.0+0x90/0x90 [ 71.794024][ T21] ? _raw_spin_lock_irq+0x41/0x50 [ 71.799032][ T21] worker_thread+0x64c/0x1120 [ 71.803709][ T21] ? __kthread_parkme+0x13f/0x1e0 [ 71.808720][ T21] ? process_one_work+0x15a0/0x15a0 [ 71.813902][ T21] kthread+0x3af/0x4a0 [ 71.817962][ T21] ? kthread_create_worker_on_cpu+0xf0/0xf0 [ 71.823882][ T21] ret_from_fork+0x1f/0x30 [ 71.830577][ T2999] Bluetooth: hci0: command 0x0409 tx timeout [ 72.071342][ T21] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 72.170777][ T21] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 72.250574][ T21] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 72.339766][ T21] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 73.612006][ T21] device hsr_slave_0 left promiscuous mode [ 73.619198][ T21] device hsr_slave_1 left promiscuous mode [ 73.627192][ T21] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 73.635470][ T21] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 73.644016][ T21] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 73.654218][ T21] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 73.662446][ T21] device bridge_slave_1 left promiscuous mode [ 73.670460][ T21] bridge0: port 2(bridge_slave_1) entered disabled state [ 73.679685][ T21] device bridge_slave_0 left promiscuous mode [ 73.687390][ T21] bridge0: port 1(bridge_slave_0) entered disabled state [ 73.698302][ T21] device veth1_macvtap left promiscuous mode [ 73.705518][ T21] device veth0_macvtap left promiscuous mode [ 73.711621][ T21] device veth1_vlan left promiscuous mode [ 73.718625][ T21] device veth0_vlan left promiscuous mode executing program [ 74.837650][ T21] team0 (unregistering): Port device team_slave_1 removed [ 74.849318][ T21] team0 (unregistering): Port device team_slave_0 removed [ 74.860007][ T21] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 74.873627][ T21] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 74.903539][ T21] bond0 (unregistering): Released all slaves [ 74.950283][ T8502] can: request_module (can-proto-0) failed. [ 75.391393][ T8502] can: request_module (can-proto-0) failed. [ 75.402068][ T8502] can: request_module (can-proto-0) failed. [ 75.552797][ T8502] base_sock_release(0000000027251c22) sk=0000000042b13a8c