Warning: Permanently added '10.128.0.234' (ECDSA) to the list of known hosts. 2021/06/21 09:56:20 parsed 1 programs 2021/06/21 09:56:20 executed programs: 0 syzkaller login: [ 1576.123914][ T8474] chnl_net:caif_netlink_parms(): no params data found [ 1576.172522][ T8474] bridge0: port 1(bridge_slave_0) entered blocking state [ 1576.180146][ T8474] bridge0: port 1(bridge_slave_0) entered disabled state [ 1576.188745][ T8474] device bridge_slave_0 entered promiscuous mode [ 1576.199332][ T8474] bridge0: port 2(bridge_slave_1) entered blocking state [ 1576.207361][ T8474] bridge0: port 2(bridge_slave_1) entered disabled state [ 1576.216348][ T8474] device bridge_slave_1 entered promiscuous mode [ 1576.235120][ T8474] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 1576.245671][ T8474] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 1576.267429][ T8474] team0: Port device team_slave_0 added [ 1576.275063][ T8474] team0: Port device team_slave_1 added [ 1576.291027][ T8474] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 1576.298422][ T8474] 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. [ 1576.327021][ T8474] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 1576.340141][ T8474] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 1576.348628][ T8474] 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. [ 1576.375067][ T8474] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 1576.401762][ T8474] device hsr_slave_0 entered promiscuous mode [ 1576.408446][ T8474] device hsr_slave_1 entered promiscuous mode [ 1576.504596][ T8474] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 1576.514824][ T8474] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 1576.524936][ T8474] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 1576.534846][ T8474] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 1576.557136][ T8474] bridge0: port 2(bridge_slave_1) entered blocking state [ 1576.564278][ T8474] bridge0: port 2(bridge_slave_1) entered forwarding state [ 1576.571953][ T8474] bridge0: port 1(bridge_slave_0) entered blocking state [ 1576.578997][ T8474] bridge0: port 1(bridge_slave_0) entered forwarding state [ 1576.618770][ T8474] 8021q: adding VLAN 0 to HW filter on device bond0 [ 1576.632039][ T8449] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 1576.644451][ T8449] bridge0: port 1(bridge_slave_0) entered disabled state [ 1576.652923][ T8449] bridge0: port 2(bridge_slave_1) entered disabled state [ 1576.660705][ T8449] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 1576.675054][ T8474] 8021q: adding VLAN 0 to HW filter on device team0 [ 1576.685716][ T8449] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 1576.694710][ T8449] bridge0: port 1(bridge_slave_0) entered blocking state [ 1576.701820][ T8449] bridge0: port 1(bridge_slave_0) entered forwarding state [ 1576.713113][ T8696] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 1576.722343][ T8696] bridge0: port 2(bridge_slave_1) entered blocking state [ 1576.729481][ T8696] bridge0: port 2(bridge_slave_1) entered forwarding state [ 1576.747062][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 1576.755584][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 1576.767728][ T8449] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 1576.779251][ T8696] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 1576.792099][ T8474] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 1576.804635][ T8474] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 1576.813710][ T8449] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 1576.832155][ T8449] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 1576.839802][ T8449] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 1576.849753][ T8474] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 1576.868995][ T8449] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 1576.888648][ T8449] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 1576.897126][ T8449] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 1576.905474][ T8449] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 1576.916165][ T8474] device veth0_vlan entered promiscuous mode [ 1576.928209][ T8474] device veth1_vlan entered promiscuous mode [ 1576.948546][ T8696] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 1576.956656][ T8696] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 1576.965341][ T8696] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 1576.976426][ T8474] device veth0_macvtap entered promiscuous mode [ 1576.985881][ T8474] device veth1_macvtap entered promiscuous mode [ 1577.002087][ T8474] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 1577.009441][ T8449] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 1577.019588][ T8449] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 1577.031987][ T8474] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 1577.039387][ T8449] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 1577.050581][ T8474] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 1577.059743][ T8474] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 1577.069061][ T8474] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 1577.078529][ T8474] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 1577.166966][ T130] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 1577.191577][ T130] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 1577.207075][ T8531] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 1577.212748][ T3162] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 1577.216419][ T8531] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 1577.234031][ T3162] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 1577.973463][ T8697] Bluetooth: hci0: command 0x0409 tx timeout 2021/06/21 09:56:25 executed programs: 3 [ 1580.051510][ T8449] Bluetooth: hci0: command 0x041b tx timeout [ 1582.131349][ T8449] Bluetooth: hci0: command 0x040f tx timeout [ 1584.210903][ T8697] Bluetooth: hci0: command 0x0419 tx timeout 2021/06/21 09:56:31 executed programs: 9 2021/06/21 09:56:36 executed programs: 15 2021/06/21 09:56:41 executed programs: 21 2021/06/21 09:56:47 executed programs: 27 [ 1606.770936][ T3256] ieee802154 phy0 wpan0: encryption failed: -22 [ 1606.777537][ T3256] ieee802154 phy1 wpan1: encryption failed: -22 2021/06/21 09:56:52 executed programs: 33 2021/06/21 09:56:58 executed programs: 39 2021/06/21 09:57:03 executed programs: 45 2021/06/21 09:57:09 executed programs: 51 [ 1668.206550][ T3256] ieee802154 phy0 wpan0: encryption failed: -22 [ 1668.212889][ T3256] ieee802154 phy1 wpan1: encryption failed: -22 [ 1701.004097][ T8696] Bluetooth: hci0: command 0x0406 tx timeout [ 1729.643279][ T3256] ieee802154 phy0 wpan0: encryption failed: -22 [ 1729.649573][ T3256] ieee802154 phy1 wpan1: encryption failed: -22 [ 1778.919794][ T1648] INFO: task syz-executor.0:9081 can't die for more than 143 seconds. [ 1778.928248][ T1648] task:syz-executor.0 state:D stack:27768 pid: 9081 ppid: 8474 flags:0x00004004 [ 1778.939650][ T1648] Call Trace: [ 1778.942961][ T1648] __schedule+0xb38/0x58c0 [ 1778.947696][ T1648] ? __lock_acquire+0x16a7/0x5230 [ 1778.955878][ T1648] ? io_schedule_timeout+0x140/0x140 [ 1778.963072][ T1648] schedule+0xcf/0x270 [ 1778.967176][ T1648] schedule_timeout+0x1db/0x250 [ 1778.972731][ T1648] ? usleep_range+0x170/0x170 [ 1778.977532][ T1648] ? wait_for_completion+0x160/0x270 [ 1778.983227][ T1648] ? lock_downgrade+0x6e0/0x6e0 [ 1778.988410][ T1648] ? do_raw_spin_lock+0x120/0x2b0 [ 1778.993997][ T1648] ? rwlock_bug.part.0+0x90/0x90 [ 1778.998955][ T1648] ? _raw_spin_unlock_irq+0x1f/0x40 [ 1779.004666][ T1648] wait_for_completion+0x168/0x270 [ 1779.010205][ T1648] ? __flush_work+0x4e0/0xad0 [ 1779.015079][ T1648] ? bit_wait_io_timeout+0x160/0x160 [ 1779.021084][ T1648] ? _raw_spin_unlock_irq+0x1f/0x40 [ 1779.026481][ T1648] __flush_work+0x50e/0xad0 [ 1779.032391][ T1648] ? queue_delayed_work_on+0x120/0x120 [ 1779.037851][ T1648] ? __flush_work+0x815/0xad0 [ 1779.043320][ T1648] ? flush_workqueue_prep_pwqs+0x510/0x510 [ 1779.049233][ T1648] ? try_to_grab_pending+0xbd/0xd0 [ 1779.055312][ T1648] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 1779.062952][ T1648] __cancel_work_timer+0x3f9/0x570 [ 1779.068074][ T1648] ? try_to_grab_pending+0xd0/0xd0 [ 1779.074035][ T1648] ? p9_fd_close+0x280/0x520 [ 1779.078665][ T1648] ? lock_downgrade+0x6e0/0x6e0 [ 1779.084450][ T1648] ? _raw_spin_unlock_irqrestore+0x50/0x70 [ 1779.090815][ T1648] p9_fd_close+0x305/0x520 [ 1779.095251][ T1648] ? p9_client_create+0xa46/0x1110 [ 1779.101177][ T1648] p9_client_create+0x95a/0x1110 [ 1779.106243][ T1648] ? p9_client_flush+0x430/0x430 [ 1779.111948][ T1648] ? lockdep_init_map_type+0x2c3/0x7b0 [ 1779.117532][ T1648] ? rcu_read_lock_sched_held+0x3a/0x70 [ 1779.124069][ T1648] ? __raw_spin_lock_init+0x36/0x110 [ 1779.129350][ T1648] v9fs_session_init+0x1dd/0x17b0 [ 1779.135164][ T1648] ? v9fs_mount+0x5a/0x9c0 [ 1779.140048][ T1648] ? v9fs_show_options+0x780/0x780 [ 1779.145182][ T1648] ? rcu_read_lock_sched_held+0x3a/0x70 [ 1779.150902][ T1648] v9fs_mount+0x79/0x9c0 [ 1779.155156][ T1648] ? v9fs_write_inode+0x60/0x60 [ 1779.160109][ T1648] legacy_get_tree+0x105/0x220 [ 1779.164934][ T1648] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 1779.171251][ T1648] vfs_get_tree+0x89/0x2f0 [ 1779.175767][ T1648] path_mount+0x132a/0x1fa0 [ 1779.180450][ T1648] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 1779.186722][ T1648] ? strncpy_from_user+0x2a0/0x3e0 [ 1779.192060][ T1648] ? finish_automount+0xaf0/0xaf0 [ 1779.197100][ T1648] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 1779.203401][ T1648] ? getname_flags.part.0+0x1dd/0x4f0 [ 1779.208788][ T1648] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 1779.215139][ T1648] __x64_sys_mount+0x27f/0x300 [ 1779.220089][ T1648] ? copy_mnt_ns+0xae0/0xae0 [ 1779.224844][ T1648] ? syscall_enter_from_user_mode+0x21/0x70 [ 1779.231075][ T1648] do_syscall_64+0x31/0xb0 [ 1779.235503][ T1648] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1779.241650][ T1648] RIP: 0033:0x4665d9 [ 1779.245766][ T1648] RSP: 002b:00007fdea34f4188 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 1779.254585][ T1648] RAX: ffffffffffffffda RBX: 000000000056c1a8 RCX: 00000000004665d9 [ 1779.263003][ T1648] RDX: 0000000020000240 RSI: 0000000020000200 RDI: 0000000000000000 [ 1779.271678][ T1648] RBP: 00000000004bfcb9 R08: 0000000020000580 R09: 0000000000000000 [ 1779.280309][ T1648] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c1a8 [ 1779.288389][ T1648] R13: 00007ffc3d41df0f R14: 00007fdea34f4300 R15: 0000000000022000 [ 1779.297242][ T1648] INFO: task syz-executor.0:9081 blocked for more than 143 seconds. [ 1779.305717][ T1648] Not tainted 5.13.0-rc2-next-20210518-syzkaller #0 [ 1779.313289][ T1648] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1779.322685][ T1648] task:syz-executor.0 state:D stack:27768 pid: 9081 ppid: 8474 flags:0x00004004 [ 1779.332740][ T1648] Call Trace: [ 1779.336026][ T1648] __schedule+0xb38/0x58c0 [ 1779.341123][ T1648] ? __lock_acquire+0x16a7/0x5230 [ 1779.346152][ T1648] ? io_schedule_timeout+0x140/0x140 [ 1779.352090][ T1648] schedule+0xcf/0x270 [ 1779.356264][ T1648] schedule_timeout+0x1db/0x250 [ 1779.361883][ T1648] ? usleep_range+0x170/0x170 [ 1779.366563][ T1648] ? wait_for_completion+0x160/0x270 [ 1779.372617][ T1648] ? lock_downgrade+0x6e0/0x6e0 [ 1779.377460][ T1648] ? do_raw_spin_lock+0x120/0x2b0 [ 1779.383292][ T1648] ? rwlock_bug.part.0+0x90/0x90 [ 1779.388260][ T1648] ? _raw_spin_unlock_irq+0x1f/0x40 [ 1779.394113][ T1648] wait_for_completion+0x168/0x270 [ 1779.399219][ T1648] ? __flush_work+0x4e0/0xad0 [ 1779.404573][ T1648] ? bit_wait_io_timeout+0x160/0x160 [ 1779.410506][ T1648] ? _raw_spin_unlock_irq+0x1f/0x40 [ 1779.415725][ T1648] __flush_work+0x50e/0xad0 [ 1779.420450][ T1648] ? queue_delayed_work_on+0x120/0x120 [ 1779.425929][ T1648] ? __flush_work+0x815/0xad0 [ 1779.431546][ T1648] ? flush_workqueue_prep_pwqs+0x510/0x510 [ 1779.437448][ T1648] ? try_to_grab_pending+0xbd/0xd0 [ 1779.442956][ T1648] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 1779.449230][ T1648] __cancel_work_timer+0x3f9/0x570 [ 1779.455293][ T1648] ? try_to_grab_pending+0xd0/0xd0 [ 1779.461190][ T1648] ? p9_fd_close+0x280/0x520 [ 1779.465813][ T1648] ? lock_downgrade+0x6e0/0x6e0 [ 1779.471800][ T1648] ? _raw_spin_unlock_irqrestore+0x50/0x70 [ 1779.477654][ T1648] p9_fd_close+0x305/0x520 [ 1779.482261][ T1648] ? p9_client_create+0xa46/0x1110 [ 1779.487399][ T1648] p9_client_create+0x95a/0x1110 [ 1779.493172][ T1648] ? p9_client_flush+0x430/0x430 [ 1779.498142][ T1648] ? lockdep_init_map_type+0x2c3/0x7b0 [ 1779.504707][ T1648] ? rcu_read_lock_sched_held+0x3a/0x70 [ 1779.510712][ T1648] ? __raw_spin_lock_init+0x36/0x110 [ 1779.516014][ T1648] v9fs_session_init+0x1dd/0x17b0 [ 1779.521208][ T1648] ? v9fs_mount+0x5a/0x9c0 [ 1779.525655][ T1648] ? v9fs_show_options+0x780/0x780 [ 1779.531636][ T1648] ? rcu_read_lock_sched_held+0x3a/0x70 [ 1779.537211][ T1648] v9fs_mount+0x79/0x9c0 [ 1779.542157][ T1648] ? v9fs_write_inode+0x60/0x60 [ 1779.547004][ T1648] legacy_get_tree+0x105/0x220 [ 1779.552943][ T1648] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 1779.559202][ T1648] vfs_get_tree+0x89/0x2f0 [ 1779.564540][ T1648] path_mount+0x132a/0x1fa0 [ 1779.569069][ T1648] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 1779.576528][ T1648] ? strncpy_from_user+0x2a0/0x3e0 [ 1779.582195][ T1648] ? finish_automount+0xaf0/0xaf0 [ 1779.587239][ T1648] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 1779.594172][ T1648] ? getname_flags.part.0+0x1dd/0x4f0 [ 1779.600029][ T1648] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 1779.606270][ T1648] __x64_sys_mount+0x27f/0x300 [ 1779.611220][ T1648] ? copy_mnt_ns+0xae0/0xae0 [ 1779.615825][ T1648] ? syscall_enter_from_user_mode+0x21/0x70 [ 1779.621810][ T1648] do_syscall_64+0x31/0xb0 [ 1779.626250][ T1648] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1779.632920][ T1648] RIP: 0033:0x4665d9 [ 1779.636826][ T1648] RSP: 002b:00007fdea34f4188 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 1779.645921][ T1648] RAX: ffffffffffffffda RBX: 000000000056c1a8 RCX: 00000000004665d9 [ 1779.654386][ T1648] RDX: 0000000020000240 RSI: 0000000020000200 RDI: 0000000000000000 [ 1779.663383][ T1648] RBP: 00000000004bfcb9 R08: 0000000020000580 R09: 0000000000000000 [ 1779.672001][ T1648] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c1a8 [ 1779.680538][ T1648] R13: 00007ffc3d41df0f R14: 00007fdea34f4300 R15: 0000000000022000 [ 1779.688574][ T1648] [ 1779.688574][ T1648] Showing all locks held in the system: [ 1779.697511][ T1648] 2 locks held by kworker/u4:3/130: [ 1779.703000][ T1648] #0: ffff8880b9c35718 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2b/0x120 [ 1779.713371][ T1648] #1: ffffc9000141fda8 ((work_completion)(&(&bat_priv->nc.work)->work)){+.+.}-{0:0}, at: process_one_work+0x8a5/0x1600 [ 1779.726593][ T1648] 1 lock held by khungtaskd/1648: [ 1779.732106][ T1648] #0: ffffffff8c17afe0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x260 [ 1779.742785][ T1648] 1 lock held by in:imklog/8167: [ 1779.747723][ T1648] #0: ffff88801881c870 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0xe9/0x100 [ 1779.757585][ T1648] 2 locks held by kworker/1:3/8697: [ 1779.763331][ T1648] #0: ffff888011064d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x871/0x1600 [ 1779.774626][ T1648] #1: ffffc90002157da8 ((work_completion)(&m->wq)){+.+.}-{0:0}, at: process_one_work+0x8a5/0x1600 [ 1779.785807][ T1648] [ 1779.788130][ T1648] ============================================= [ 1779.788130][ T1648] [ 1779.797433][ T1648] NMI backtrace for cpu 0 [ 1779.801856][ T1648] CPU: 0 PID: 1648 Comm: khungtaskd Not tainted 5.13.0-rc2-next-20210518-syzkaller #0 [ 1779.811395][ T1648] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1779.821438][ T1648] Call Trace: [ 1779.824705][ T1648] dump_stack_lvl+0x13e/0x1d6 [ 1779.829401][ T1648] nmi_cpu_backtrace.cold+0x44/0xd7 [ 1779.834612][ T1648] ? lapic_can_unplug_cpu+0x80/0x80 [ 1779.839837][ T1648] nmi_trigger_cpumask_backtrace+0x1b3/0x230 [ 1779.845857][ T1648] watchdog+0xd3b/0xf50 [ 1779.850007][ T1648] ? trace_sched_process_hang+0x280/0x280 [ 1779.855708][ T1648] kthread+0x3b1/0x4a0 [ 1779.859768][ T1648] ? __kthread_bind_mask+0xc0/0xc0 [ 1779.865063][ T1648] ret_from_fork+0x1f/0x30 [ 1779.869771][ T1648] Sending NMI from CPU 0 to CPUs 1: [ 1779.875546][ C1] NMI backtrace for cpu 1 [ 1779.875554][ C1] CPU: 1 PID: 4861 Comm: systemd-journal Not tainted 5.13.0-rc2-next-20210518-syzkaller #0 [ 1779.875561][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1779.875568][ C1] RIP: 0010:clear_page_erms+0x7/0x10 [ 1779.875575][ C1] Code: 48 89 47 18 48 89 47 20 48 89 47 28 48 89 47 30 48 89 47 38 48 8d 7f 40 75 d9 90 c3 0f 1f 80 00 00 00 00 b9 00 10 00 00 31 c0 aa c3 cc cc cc cc cc cc 41 57 41 56 41 55 41 54 55 53 48 89 fb [ 1779.875586][ C1] RSP: 0018:ffffc9000165f938 EFLAGS: 00010246 [ 1779.875597][ C1] RAX: 0000000000000000 RBX: ffff88813fffbcb8 RCX: 0000000000000b40 [ 1779.875603][ C1] RDX: ffffea0000a8a7c0 RSI: ffff888000000000 RDI: ffff88802a29f4c0 [ 1779.875610][ C1] RBP: ffffea0000a8a600 R08: 0000160000000000 R09: ffffea0000a8a800 [ 1779.875616][ C1] R10: fffff940001514c6 R11: 0000000000000003 R12: 0000000000000003 [ 1779.875622][ C1] R13: 00000000000d20c0 R14: 0000000000000008 R15: ffff88813fffb700 [ 1779.875629][ C1] FS: 00007f367edb18c0(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 [ 1779.875635][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1779.875641][ C1] CR2: 00007f367c197000 CR3: 000000001379b000 CR4: 00000000001506e0 [ 1779.875647][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 1779.875653][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 1779.875658][ C1] Call Trace: [ 1779.875662][ C1] post_alloc_hook+0x170/0x210 [ 1779.875666][ C1] get_page_from_freelist+0x125c/0x2ed0 [ 1779.875671][ C1] ? __zone_watermark_ok+0x450/0x450 [ 1779.875675][ C1] ? prepare_alloc_pages+0x17b/0x580 [ 1779.875680][ C1] __alloc_pages+0x1b2/0x500 [ 1779.875684][ C1] ? __alloc_pages_slowpath.constprop.0+0x2140/0x2140 [ 1779.875689][ C1] ? __lock_acquire+0x16a7/0x5230 [ 1779.875694][ C1] ? kasan_save_stack+0x1b/0x40 [ 1779.875698][ C1] alloc_pages+0x18c/0x2a0 [ 1779.875702][ C1] allocate_slab+0x2c2/0x4c0 [ 1779.875706][ C1] ___slab_alloc+0x4ba/0x820 [ 1779.875710][ C1] ? getname_flags.part.0+0x50/0x4f0 [ 1779.875715][ C1] ? fs_reclaim_release+0x9c/0xf0 [ 1779.875720][ C1] ? __slab_alloc.constprop.0+0x7b/0xf0 [ 1779.875724][ C1] ? getname_flags.part.0+0x50/0x4f0 [ 1779.875729][ C1] ? __slab_alloc.constprop.0+0xa7/0xf0 [ 1779.875733][ C1] __slab_alloc.constprop.0+0xa7/0xf0 [ 1779.875738][ C1] ? getname_flags.part.0+0x50/0x4f0 [ 1779.875742][ C1] kmem_cache_alloc+0x3e1/0x4a0 [ 1779.875747][ C1] getname_flags.part.0+0x50/0x4f0 [ 1779.875751][ C1] ? security_prepare_creds+0xe6/0x190 [ 1779.875756][ C1] user_path_at_empty+0xa1/0x100 [ 1779.875760][ C1] do_faccessat+0x127/0x850 [ 1779.875764][ C1] ? stream_open+0x60/0x60 [ 1779.875768][ C1] ? __secure_computing+0x104/0x360 [ 1779.875772][ C1] do_syscall_64+0x31/0xb0 [ 1779.875777][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1779.875781][ C1] RIP: 0033:0x7f367e06c9c7 [ 1779.875789][ C1] Code: 83 c4 08 48 3d 01 f0 ff ff 73 01 c3 48 8b 0d c8 d4 2b 00 f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 b8 15 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d a1 d4 2b 00 f7 d8 64 89 01 48 [ 1779.875800][ C1] RSP: 002b:00007ffd5621f2a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000015 [ 1779.875810][ C1] RAX: ffffffffffffffda RBX: 00007ffd562221c0 RCX: 00007f367e06c9c7 [ 1779.875817][ C1] RDX: 00007f367eadda00 RSI: 0000000000000000 RDI: 0000560898e1e9a3 [ 1779.875823][ C1] RBP: 00007ffd5621f2e0 R08: 0000000000000000 R09: 0000000000000000 [ 1779.875829][ C1] R10: 0000000000000069 R11: 0000000000000246 R12: 0000000000000000 [ 1779.875835][ C1] R13: 0000000000000000 R14: 00007ffd562221c0 R15: 00007ffd5621f7d0 [ 1779.877900][ T1648] Kernel panic - not syncing: hung_task: blocked tasks [ 1780.230366][ T1648] CPU: 0 PID: 1648 Comm: khungtaskd Not tainted 5.13.0-rc2-next-20210518-syzkaller #0 [ 1780.239891][ T1648] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1780.249935][ T1648] Call Trace: [ 1780.253203][ T1648] dump_stack_lvl+0x13e/0x1d6 [ 1780.257874][ T1648] panic+0x306/0x73d [ 1780.261783][ T1648] ? __warn_printk+0xf3/0xf3 [ 1780.266396][ T1648] ? lapic_can_unplug_cpu+0x80/0x80 [ 1780.271584][ T1648] ? preempt_schedule_thunk+0x16/0x18 [ 1780.276947][ T1648] ? nmi_trigger_cpumask_backtrace+0x196/0x230 [ 1780.283114][ T1648] ? watchdog.cold+0x22d/0x248 [ 1780.287938][ T1648] watchdog.cold+0x23e/0x248 [ 1780.292522][ T1648] ? trace_sched_process_hang+0x280/0x280 [ 1780.298236][ T1648] kthread+0x3b1/0x4a0 [ 1780.302324][ T1648] ? __kthread_bind_mask+0xc0/0xc0 [ 1780.307424][ T1648] ret_from_fork+0x1f/0x30 [ 1780.312899][ T1648] Kernel Offset: disabled [ 1780.317227][ T1648] Rebooting in 86400 seconds..