Starting Load/Save RF Kill Switch Status... [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.10.21' (ECDSA) to the list of known hosts. 2020/11/12 23:17:25 fuzzer started 2020/11/12 23:17:25 connecting to host at 10.128.0.26:46613 2020/11/12 23:17:25 checking machine... 2020/11/12 23:17:25 checking revisions... 2020/11/12 23:17:25 testing simple program... syzkaller login: [ 63.724322][ T8497] IPVS: ftp: loaded support on port[0] = 21 [ 63.902938][ T8497] chnl_net:caif_netlink_parms(): no params data found [ 63.955680][ T8497] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.963316][ T8497] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.972337][ T8497] device bridge_slave_0 entered promiscuous mode [ 63.982600][ T8497] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.990303][ T8497] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.998870][ T8497] device bridge_slave_1 entered promiscuous mode [ 64.019881][ T8497] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 64.030782][ T8497] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 64.053688][ T8497] team0: Port device team_slave_0 added [ 64.062486][ T8497] team0: Port device team_slave_1 added [ 64.080607][ T8497] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 64.088183][ T8497] 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. [ 64.115124][ T8497] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 64.129113][ T8497] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 64.136081][ T8497] 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. [ 64.162842][ T8497] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 64.189234][ T8497] device hsr_slave_0 entered promiscuous mode [ 64.195962][ T8497] device hsr_slave_1 entered promiscuous mode [ 64.293761][ T8497] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 64.304157][ T8497] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 64.319326][ T8497] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 64.332607][ T8497] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 64.359698][ T8497] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.366890][ T8497] bridge0: port 2(bridge_slave_1) entered forwarding state [ 64.375636][ T8497] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.382785][ T8497] bridge0: port 1(bridge_slave_0) entered forwarding state [ 64.426515][ T8497] 8021q: adding VLAN 0 to HW filter on device bond0 [ 64.443003][ T3154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 64.453544][ T3154] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.471620][ T3154] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.480228][ T3154] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 64.493237][ T8497] 8021q: adding VLAN 0 to HW filter on device team0 [ 64.504826][ T3192] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 64.515208][ T3192] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.522629][ T3192] bridge0: port 1(bridge_slave_0) entered forwarding state [ 64.542065][ T3192] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 64.550583][ T3192] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.557714][ T3192] bridge0: port 2(bridge_slave_1) entered forwarding state [ 64.579081][ T3154] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 64.589591][ T3154] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 64.598755][ T3154] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 64.607052][ T3154] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 64.616451][ T3154] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 64.634288][ T8497] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 64.654388][ T3154] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 64.663177][ T3154] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 64.678776][ T8497] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 64.698254][ T3154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 64.720617][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 64.729470][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 64.737198][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 64.749019][ T8497] device veth0_vlan entered promiscuous mode [ 64.762971][ T8497] device veth1_vlan entered promiscuous mode [ 64.784864][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 64.794228][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 64.803958][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 64.816229][ T8497] device veth0_macvtap entered promiscuous mode [ 64.826091][ T8497] device veth1_macvtap entered promiscuous mode [ 64.844507][ T8497] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 64.853641][ T3154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 64.864009][ T3154] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 64.878047][ T8497] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 64.885392][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 64.895073][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 64.906312][ T8497] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 64.918884][ T8497] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 64.929697][ T8497] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 64.946205][ T8497] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 65.035027][ T21] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 65.053025][ T21] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 65.072540][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 65.095427][ T95] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 65.104461][ T95] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 65.113601][ T3154] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 65.150653][ T270] BUG: sleeping function called from invalid context at net/mac80211/sta_info.c:1962 [ 65.162264][ T270] in_atomic(): 0, irqs_disabled(): 0, non_block: 0, pid: 270, name: kworker/u4:5 [ 65.172717][ T270] 4 locks held by kworker/u4:5/270: [ 65.178621][ T270] #0: ffff88801c231138 ((wq_completion)phy3){+.+.}-{0:0}, at: process_one_work+0x821/0x15a0 [ 65.189255][ T270] #1: ffffc9000134fda8 ((work_completion)(&sdata->work)){+.+.}-{0:0}, at: process_one_work+0x854/0x15a0 [ 65.200909][ T270] #2: ffff888035818d00 (&wdev->mtx){+.+.}-{3:3}, at: ieee80211_ibss_work+0x93/0xe80 [ 65.228022][ T270] #3: ffffffff8b337160 (rcu_read_lock){....}-{1:2}, at: sta_info_insert_rcu+0x680/0x2ba0 [ 65.239177][ T270] Preemption disabled at: [ 65.239208][ T270] [] __mutex_lock+0x10f/0x10e0 2020/11/12 23:17:28 building call list... [ 65.261879][ T270] CPU: 1 PID: 270 Comm: kworker/u4:5 Not tainted 5.10.0-rc2-syzkaller #0 [ 65.270322][ T270] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 65.280405][ T270] Workqueue: phy3 ieee80211_iface_work [ 65.285882][ T270] Call Trace: [ 65.289191][ T270] dump_stack+0x107/0x163 [ 65.293543][ T270] ? __mutex_lock+0x10f/0x10e0 [ 65.298406][ T270] ___might_sleep.cold+0x1e8/0x22e [ 65.303535][ T270] sta_info_move_state+0x32/0x8d0 executing program [ 65.308581][ T270] sta_info_free+0x65/0x3b0 [ 65.313103][ T270] sta_info_insert_rcu+0x303/0x2ba0 [ 65.318310][ T270] ? find_held_lock+0x2d/0x110 [ 65.323087][ T270] ? rate_control_rate_init+0x32c/0x6a0 [ 65.328647][ T270] ? sta_info_free+0x3b0/0x3b0 [ 65.333426][ T270] ? __local_bh_enable_ip+0x9c/0x110 [ 65.338907][ T270] ? rate_control_rate_init+0x35f/0x6a0 [ 65.344475][ T270] ieee80211_ibss_finish_sta+0x212/0x390 [ 65.350124][ T270] ? ieee80211_ibss_build_presp+0x15f0/0x15f0 [ 65.356210][ T270] ? __local_bh_enable_ip+0x9c/0x110 [ 65.361504][ T270] ieee80211_ibss_work+0x2c7/0xe80 [ 65.366616][ T270] ? ieee80211_ibss_rx_queued_mgmt+0x1870/0x1870 [ 65.372942][ T270] ? mark_held_locks+0x9f/0xe0 [ 65.377704][ T270] ? _raw_spin_unlock_irqrestore+0x42/0x50 [ 65.383504][ T270] ? lockdep_hardirqs_on+0x79/0x100 [ 65.388698][ T270] ? _raw_spin_unlock_irqrestore+0x2f/0x50 [ 65.394571][ T270] ieee80211_iface_work+0x82e/0x970 [ 65.399771][ T270] process_one_work+0x933/0x15a0 [ 65.404724][ T270] ? lock_release+0x710/0x710 [ 65.409393][ T270] ? pwq_dec_nr_in_flight+0x320/0x320 [ 65.414760][ T270] ? rwlock_bug.part.0+0x90/0x90 [ 65.419691][ T270] ? _raw_spin_lock_irq+0x41/0x50 [ 65.424734][ T270] worker_thread+0x64c/0x1120 [ 65.429418][ T270] ? process_one_work+0x15a0/0x15a0 [ 65.434612][ T270] kthread+0x3af/0x4a0 [ 65.438694][ T270] ? kthread_create_worker_on_cpu+0xf0/0xf0 [ 65.444605][ T270] ret_from_fork+0x1f/0x30 [ 65.453860][ T270] [ 65.457948][ T270] ============================= [ 65.462792][ T270] [ BUG: Invalid wait context ] [ 65.467648][ T270] 5.10.0-rc2-syzkaller #0 Tainted: G W [ 65.474397][ T270] ----------------------------- [ 65.479238][ T270] kworker/u4:5/270 is trying to lock: [ 65.484604][ T270] ffff88801c0e29d0 (&local->chanctx_mtx){+.+.}-{3:3}, at: ieee80211_recalc_min_chandef+0x49/0x140 [ 65.495211][ T270] other info that might help us debug this: [ 65.501091][ T270] context-{4:4} [ 65.504566][ T270] 4 locks held by kworker/u4:5/270: [ 65.509747][ T270] #0: ffff88801c231138 ((wq_completion)phy3){+.+.}-{0:0}, at: process_one_work+0x821/0x15a0 [ 65.520099][ T270] #1: ffffc9000134fda8 ((work_completion)(&sdata->work)){+.+.}-{0:0}, at: process_one_work+0x854/0x15a0 [ 65.531324][ T270] #2: ffff888035818d00 (&wdev->mtx){+.+.}-{3:3}, at: ieee80211_ibss_work+0x93/0xe80 [ 65.540810][ T270] #3: ffffffff8b337160 (rcu_read_lock){....}-{1:2}, at: sta_info_insert_rcu+0x680/0x2ba0 [ 65.550727][ T270] stack backtrace: [ 65.554443][ T270] CPU: 1 PID: 270 Comm: kworker/u4:5 Tainted: G W 5.10.0-rc2-syzkaller #0 [ 65.564232][ T270] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 65.574288][ T270] Workqueue: phy3 ieee80211_iface_work [ 65.579743][ T270] Call Trace: [ 65.583040][ T270] dump_stack+0x107/0x163 [ 65.587386][ T270] __lock_acquire.cold+0x310/0x3a2 [ 65.592497][ T270] ? debug_mutex_unlock+0xb3/0x250 [ 65.597658][ T270] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 65.603653][ T270] lock_acquire+0x2a3/0x8c0 [ 65.608253][ T270] ? ieee80211_recalc_min_chandef+0x49/0x140 [ 65.614238][ T270] ? lock_release+0x710/0x710 [ 65.618924][ T270] __mutex_lock+0x134/0x10e0 [ 65.623522][ T270] ? ieee80211_recalc_min_chandef+0x49/0x140 [ 65.629930][ T270] ? ieee80211_recalc_min_chandef+0x49/0x140 [ 65.635908][ T270] ? mutex_lock_io_nested+0xf60/0xf60 [ 65.641282][ T270] ? ieee80211_clear_fast_rx+0x58/0x80 [ 65.646755][ T270] ? mark_held_locks+0x9f/0xe0 [ 65.651518][ T270] ieee80211_recalc_min_chandef+0x49/0x140 [ 65.657317][ T270] sta_info_move_state+0x3cf/0x8d0 [ 65.662435][ T270] sta_info_free+0x65/0x3b0 [ 65.667026][ T270] sta_info_insert_rcu+0x303/0x2ba0 [ 65.672309][ T270] ? find_held_lock+0x2d/0x110 [ 65.677072][ T270] ? rate_control_rate_init+0x32c/0x6a0 [ 65.682613][ T270] ? sta_info_free+0x3b0/0x3b0 [ 65.687370][ T270] ? __local_bh_enable_ip+0x9c/0x110 [ 65.692649][ T270] ? rate_control_rate_init+0x35f/0x6a0 [ 65.698192][ T270] ieee80211_ibss_finish_sta+0x212/0x390 [ 65.703935][ T270] ? ieee80211_ibss_build_presp+0x15f0/0x15f0 [ 65.710002][ T270] ? __local_bh_enable_ip+0x9c/0x110 [ 65.715324][ T270] ieee80211_ibss_work+0x2c7/0xe80 [ 65.720435][ T270] ? ieee80211_ibss_rx_queued_mgmt+0x1870/0x1870 [ 65.726759][ T270] ? mark_held_locks+0x9f/0xe0 [ 65.731518][ T270] ? _raw_spin_unlock_irqrestore+0x42/0x50 [ 65.737316][ T270] ? lockdep_hardirqs_on+0x79/0x100 [ 65.742521][ T270] ? _raw_spin_unlock_irqrestore+0x2f/0x50 [ 65.748323][ T270] ieee80211_iface_work+0x82e/0x970 [ 65.753516][ T270] process_one_work+0x933/0x15a0 [ 65.758450][ T270] ? lock_release+0x710/0x710 [ 65.763132][ T270] ? pwq_dec_nr_in_flight+0x320/0x320 [ 65.768522][ T270] ? rwlock_bug.part.0+0x90/0x90 [ 65.773470][ T270] ? _raw_spin_lock_irq+0x41/0x50 [ 65.778628][ T270] worker_thread+0x64c/0x1120 [ 65.783312][ T270] ? process_one_work+0x15a0/0x15a0 [ 65.788510][ T270] kthread+0x3af/0x4a0 [ 65.792579][ T270] ? kthread_create_worker_on_cpu+0xf0/0xf0 [ 65.798469][ T270] ret_from_fork+0x1f/0x30 [ 65.804613][ T23] Bluetooth: hci0: command 0x0409 tx timeout [ 65.989724][ T21] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 66.085204][ T21] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 66.181874][ T21] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 66.265933][ T21] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 67.445406][ T21] device hsr_slave_0 left promiscuous mode [ 67.458457][ T21] device hsr_slave_1 left promiscuous mode [ 67.465255][ T21] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 67.474755][ T21] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 67.484451][ T21] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 67.493030][ T21] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 67.502248][ T21] device bridge_slave_1 left promiscuous mode [ 67.509520][ T21] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.518554][ T21] device bridge_slave_0 left promiscuous mode [ 67.524736][ T21] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.536032][ T21] device veth1_macvtap left promiscuous mode [ 67.542692][ T21] device veth0_macvtap left promiscuous mode [ 67.549791][ T21] device veth1_vlan left promiscuous mode [ 67.555543][ T21] device veth0_vlan left promiscuous mode executing program [ 68.536859][ T21] team0 (unregistering): Port device team_slave_1 removed [ 68.546812][ T21] team0 (unregistering): Port device team_slave_0 removed [ 68.557934][ T21] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 68.570308][ T21] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 68.596558][ T21] bond0 (unregistering): Released all slaves [ 68.649263][ T8741] can: request_module (can-proto-0) failed. [ 69.041178][ T8741] can: request_module (can-proto-0) failed. [ 69.051115][ T8741] can: request_module (can-proto-0) failed. [ 69.190244][ T8741] base_sock_release(00000000f0170f8d) sk=00000000fd29f256