[ 29.636792] random: sshd: uninitialized urandom read (32 bytes read) [ 30.357000] random: sshd: uninitialized urandom read (32 bytes read) [ 36.098474] random: sshd: uninitialized urandom read (32 bytes read) [ 37.546033] random: cc1: uninitialized urandom read (8 bytes read) [ 39.115449] IPVS: ftp: loaded support on port[0] = 21 [ 65.935930] can: request_module (can-proto-0) failed. [ 65.947229] can: request_module (can-proto-0) failed. [ 68.275682] random: sshd: uninitialized urandom read (32 bytes read) [ 68.829337] random: sshd: uninitialized urandom read (32 bytes read) [ 69.035866] random: sshd: uninitialized urandom read (32 bytes read) Warning: Permanently added '10.128.0.59' (ECDSA) to the list of known hosts. 2018/09/12 22:19:00 parsed 1 programs 2018/09/12 22:19:00 executed programs: 0 [ 75.361329] IPVS: ftp: loaded support on port[0] = 21 [ 75.383594] IPVS: ftp: loaded support on port[0] = 21 [ 75.389459] IPVS: ftp: loaded support on port[0] = 21 [ 75.408875] IPVS: ftp: loaded support on port[0] = 21 [ 75.409292] IPVS: ftp: loaded support on port[0] = 21 [ 75.429227] IPVS: ftp: loaded support on port[0] = 21 [ 76.772250] bridge0: port 1(bridge_slave_0) entered blocking state [ 76.789009] bridge0: port 1(bridge_slave_0) entered disabled state [ 76.796472] device bridge_slave_0 entered promiscuous mode [ 76.814780] bridge0: port 1(bridge_slave_0) entered blocking state [ 76.823003] bridge0: port 1(bridge_slave_0) entered disabled state [ 76.833949] device bridge_slave_0 entered promiscuous mode [ 76.861288] bridge0: port 1(bridge_slave_0) entered blocking state [ 76.871088] bridge0: port 1(bridge_slave_0) entered disabled state [ 76.879285] device bridge_slave_0 entered promiscuous mode [ 76.888349] bridge0: port 1(bridge_slave_0) entered blocking state [ 76.896806] bridge0: port 1(bridge_slave_0) entered disabled state [ 76.905754] device bridge_slave_0 entered promiscuous mode [ 76.913179] bridge0: port 2(bridge_slave_1) entered blocking state [ 76.919537] bridge0: port 2(bridge_slave_1) entered disabled state [ 76.929317] device bridge_slave_1 entered promiscuous mode [ 76.938900] bridge0: port 1(bridge_slave_0) entered blocking state [ 76.948023] bridge0: port 1(bridge_slave_0) entered disabled state [ 76.957202] device bridge_slave_0 entered promiscuous mode [ 76.966529] bridge0: port 1(bridge_slave_0) entered blocking state [ 76.973846] bridge0: port 1(bridge_slave_0) entered disabled state [ 76.981303] device bridge_slave_0 entered promiscuous mode [ 76.990186] bridge0: port 2(bridge_slave_1) entered blocking state [ 76.997135] bridge0: port 2(bridge_slave_1) entered disabled state [ 77.005600] device bridge_slave_1 entered promiscuous mode [ 77.012115] bridge0: port 2(bridge_slave_1) entered blocking state [ 77.018648] bridge0: port 2(bridge_slave_1) entered disabled state [ 77.026356] device bridge_slave_1 entered promiscuous mode [ 77.034862] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 77.048797] bridge0: port 2(bridge_slave_1) entered blocking state [ 77.057669] bridge0: port 2(bridge_slave_1) entered disabled state [ 77.066008] device bridge_slave_1 entered promiscuous mode [ 77.072489] bridge0: port 2(bridge_slave_1) entered blocking state [ 77.079636] bridge0: port 2(bridge_slave_1) entered disabled state [ 77.087508] device bridge_slave_1 entered promiscuous mode [ 77.095015] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 77.102541] bridge0: port 2(bridge_slave_1) entered blocking state [ 77.110299] bridge0: port 2(bridge_slave_1) entered disabled state [ 77.118471] device bridge_slave_1 entered promiscuous mode [ 77.127254] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 77.141100] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 77.152068] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 77.164441] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 77.173988] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 77.183512] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 77.205560] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 77.241795] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 77.265517] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 77.290251] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 77.357006] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 77.381114] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 77.441157] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 77.461566] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 77.477058] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 77.490691] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 77.523057] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 77.543388] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 77.558661] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 77.570322] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 77.582836] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 77.591467] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 77.608064] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 77.621872] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 77.636219] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 77.659224] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 77.668048] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 77.678679] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 77.688351] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 77.706509] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 77.718255] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 77.737082] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 77.748817] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 77.757127] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 77.768469] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 77.797771] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 77.832273] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 77.845647] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 77.961187] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 77.980574] team0: Port device team_slave_0 added [ 77.988909] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 77.997001] team0: Port device team_slave_0 added [ 78.005500] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 78.015816] team0: Port device team_slave_0 added [ 78.061475] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 78.074838] team0: Port device team_slave_1 added [ 78.083046] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 78.098321] team0: Port device team_slave_1 added [ 78.104298] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 78.111627] team0: Port device team_slave_1 added [ 78.125240] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 78.137166] team0: Port device team_slave_0 added [ 78.143502] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 78.150876] team0: Port device team_slave_0 added [ 78.163788] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 78.184230] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 78.191490] team0: Port device team_slave_0 added [ 78.219775] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 78.229018] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 78.253350] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 78.271172] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 78.280146] team0: Port device team_slave_1 added [ 78.295835] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 78.308015] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 78.317556] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 78.328969] team0: Port device team_slave_1 added [ 78.337180] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 78.349571] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 78.363379] team0: Port device team_slave_1 added [ 78.369150] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 78.377908] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 78.386917] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 78.396932] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 78.409706] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 78.422473] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 78.432244] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 78.453062] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 78.465141] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 78.473175] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 78.480627] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 78.488517] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 78.496451] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 78.507203] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 78.517709] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 78.533878] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 78.544435] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 78.553883] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 78.561872] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 78.573877] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 78.581616] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 78.592161] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 78.599863] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 78.616487] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 78.623858] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 78.643187] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 78.657830] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 78.672215] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 78.680083] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 78.688004] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 78.695855] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 78.703368] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 78.710986] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 78.722023] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 78.735026] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 78.750767] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 78.759373] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 78.780239] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 78.788627] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 78.803842] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 78.811760] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 78.831709] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 78.842472] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 78.860187] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 78.882226] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 78.890490] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 78.898369] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 78.906213] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 78.918228] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 78.939587] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 78.953995] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 79.439222] bridge0: port 2(bridge_slave_1) entered blocking state [ 79.445773] bridge0: port 2(bridge_slave_1) entered forwarding state [ 79.452806] bridge0: port 1(bridge_slave_0) entered blocking state [ 79.459178] bridge0: port 1(bridge_slave_0) entered forwarding state [ 79.476700] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 79.485613] bridge0: port 2(bridge_slave_1) entered blocking state [ 79.492010] bridge0: port 2(bridge_slave_1) entered forwarding state [ 79.498722] bridge0: port 1(bridge_slave_0) entered blocking state [ 79.505134] bridge0: port 1(bridge_slave_0) entered forwarding state [ 79.514303] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 79.532287] bridge0: port 2(bridge_slave_1) entered blocking state [ 79.538711] bridge0: port 2(bridge_slave_1) entered forwarding state [ 79.545530] bridge0: port 1(bridge_slave_0) entered blocking state [ 79.551912] bridge0: port 1(bridge_slave_0) entered forwarding state [ 79.575698] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 79.635035] bridge0: port 2(bridge_slave_1) entered blocking state [ 79.641389] bridge0: port 2(bridge_slave_1) entered forwarding state [ 79.648082] bridge0: port 1(bridge_slave_0) entered blocking state [ 79.654492] bridge0: port 1(bridge_slave_0) entered forwarding state [ 79.664643] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 79.675176] bridge0: port 2(bridge_slave_1) entered blocking state [ 79.681537] bridge0: port 2(bridge_slave_1) entered forwarding state [ 79.688279] bridge0: port 1(bridge_slave_0) entered blocking state [ 79.694692] bridge0: port 1(bridge_slave_0) entered forwarding state [ 79.703630] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 79.782279] bridge0: port 2(bridge_slave_1) entered blocking state [ 79.788751] bridge0: port 2(bridge_slave_1) entered forwarding state [ 79.795469] bridge0: port 1(bridge_slave_0) entered blocking state [ 79.801844] bridge0: port 1(bridge_slave_0) entered forwarding state [ 79.817535] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 80.508287] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 80.524129] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 80.531337] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 80.539154] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 80.546579] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 80.554473] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 82.149023] 8021q: adding VLAN 0 to HW filter on device bond0 [ 82.247079] 8021q: adding VLAN 0 to HW filter on device bond0 [ 82.283267] 8021q: adding VLAN 0 to HW filter on device bond0 [ 82.350073] 8021q: adding VLAN 0 to HW filter on device bond0 [ 82.384119] 8021q: adding VLAN 0 to HW filter on device bond0 [ 82.395535] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 82.472091] 8021q: adding VLAN 0 to HW filter on device bond0 [ 82.517944] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 82.543557] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 82.571508] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 82.660266] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 82.676690] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 82.696245] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 82.711179] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 82.746390] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 82.752524] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 82.763238] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 82.774157] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 82.794915] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 82.801054] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 82.809495] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 82.909382] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 82.924347] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 82.931399] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 82.946055] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 82.957264] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 82.970714] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 83.009689] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 83.028954] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 83.039381] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 83.060985] 8021q: adding VLAN 0 to HW filter on device team0 [ 83.076844] 8021q: adding VLAN 0 to HW filter on device team0 [ 83.089899] 8021q: adding VLAN 0 to HW filter on device team0 [ 83.190736] 8021q: adding VLAN 0 to HW filter on device team0 [ 83.206823] 8021q: adding VLAN 0 to HW filter on device team0 [ 83.289168] 8021q: adding VLAN 0 to HW filter on device team0 [ 84.495367] hrtimer: interrupt took 42233 ns [ 247.062889] INFO: task syz-executor1:6951 blocked for more than 140 seconds. [ 247.070223] Not tainted 4.19.0-rc3+ #1 [ 247.074789] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 247.082905] syz-executor1 D23160 6951 5451 0x00000004 [ 247.088540] Call Trace: [ 247.091134] __schedule+0x86c/0x1ed0 [ 247.094952] ? mutex_unlock+0xd/0x10 [ 247.098659] ? __sched_text_start+0x8/0x8 [ 247.102855] ? lock_acquire+0x1ed/0x520 [ 247.106831] ? lock_release+0x970/0x970 [ 247.110796] ? arch_local_save_flags+0x40/0x40 [ 247.116018] ? print_usage_bug+0xc0/0xc0 [ 247.120136] ? graph_lock+0x170/0x170 [ 247.124025] ? graph_lock+0x170/0x170 [ 247.127886] schedule+0xfe/0x460 [ 247.131255] ? __schedule+0x1ed0/0x1ed0 [ 247.135319] ? find_held_lock+0x36/0x1c0 [ 247.139384] ? wait_for_completion+0x41f/0x8a0 [ 247.144027] schedule_timeout+0x1cc/0x260 [ 247.148164] ? usleep_range+0x1a0/0x1a0 [ 247.152124] ? wait_for_completion+0x41f/0x8a0 [ 247.156809] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 247.162264] ? kasan_check_write+0x14/0x20 [ 247.166587] ? do_raw_spin_lock+0xc1/0x200 [ 247.170823] wait_for_completion+0x427/0x8a0 [ 247.175334] ? wait_for_completion_interruptible+0x840/0x840 [ 247.181126] ? wake_up_q+0x100/0x100 [ 247.184910] ? ima_file_check+0x130/0x130 [ 247.189055] ucma_close+0xf5/0x310 [ 247.192734] ? ucma_free_ctx+0xdb0/0xdb0 [ 247.196895] __fput+0x385/0xa30 [ 247.200169] ? get_max_files+0x20/0x20 [ 247.204168] ? trace_hardirqs_on+0xbd/0x310 [ 247.208584] ? kasan_check_read+0x11/0x20 [ 247.212867] ? task_work_run+0x1af/0x2a0 [ 247.216931] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 247.222381] ? kasan_check_write+0x14/0x20 [ 247.226693] ? do_raw_spin_lock+0xc1/0x200 [ 247.230925] ____fput+0x15/0x20 [ 247.234274] task_work_run+0x1e8/0x2a0 [ 247.238156] ? task_work_cancel+0x240/0x240 [ 247.242487] ? copy_fd_bitmaps+0x210/0x210 [ 247.247447] ? do_syscall_64+0x9a/0x820 [ 247.251418] exit_to_usermode_loop+0x318/0x380 [ 247.256065] ? syscall_slow_exit_work+0x520/0x520 [ 247.260906] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 247.266523] do_syscall_64+0x6be/0x820 [ 247.270408] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 247.275850] ? syscall_return_slowpath+0x5e0/0x5e0 [ 247.280839] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 247.285791] ? trace_hardirqs_on_caller+0x310/0x310 [ 247.290810] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 247.295933] ? prepare_exit_to_usermode+0x291/0x3b0 [ 247.300956] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 247.305893] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 247.311130] RIP: 0033:0x410e91 [ 247.314408] Code: 24 90 00 00 00 48 8b 00 48 0f af c1 48 89 44 24 10 48 8b 44 24 50 48 89 04 24 48 8b 44 24 48 48 89 44 24 08 e8 20 61 04 00 48 <8b> 44 24 40 48 89 84 24 c8 00 00 00 48 8b ac 24 80 00 00 00 48 81 [ 247.333459] RSP: 002b:00007ffcfd9f8870 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 [ 247.341183] RAX: 0000000000000000 RBX: 0000000000000006 RCX: 0000000000410e91 [ 247.348577] RDX: 0000000000000000 RSI: 0000000000733c40 RDI: 0000000000000005 [ 247.355909] RBP: 0000000000000000 R08: ffffffffffffffff R09: ffffffffffffffff [ 247.363265] R10: 00007ffcfd9f87a0 R11: 0000000000000293 R12: 0000000000412c30 [ 247.370675] R13: 0000000000412cc0 R14: 0000000000000000 R15: badc0ffeebadface [ 247.378610] INFO: task syz-executor0:6959 blocked for more than 140 seconds. [ 247.385866] Not tainted 4.19.0-rc3+ #1 [ 247.390260] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 247.398464] syz-executor0 D23160 6959 5446 0x00000004 [ 247.404137] Call Trace: [ 247.406724] __schedule+0x86c/0x1ed0 [ 247.410426] ? mutex_unlock+0xd/0x10 [ 247.414250] ? __sched_text_start+0x8/0x8 [ 247.418404] ? lock_acquire+0x1ed/0x520 [ 247.422365] ? lock_release+0x970/0x970 [ 247.426380] ? arch_local_save_flags+0x40/0x40 [ 247.430955] ? print_usage_bug+0xc0/0xc0 [ 247.435133] ? graph_lock+0x170/0x170 [ 247.438925] ? graph_lock+0x170/0x170 [ 247.442783] schedule+0xfe/0x460 [ 247.446154] ? __schedule+0x1ed0/0x1ed0 [ 247.450116] ? find_held_lock+0x36/0x1c0 [ 247.454217] ? wait_for_completion+0x41f/0x8a0 [ 247.458791] schedule_timeout+0x1cc/0x260 [ 247.462984] ? usleep_range+0x1a0/0x1a0 [ 247.466954] ? wait_for_completion+0x41f/0x8a0 [ 247.471524] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 247.477025] ? kasan_check_write+0x14/0x20 [ 247.481250] ? do_raw_spin_lock+0xc1/0x200 [ 247.485518] wait_for_completion+0x427/0x8a0 [ 247.489933] ? wait_for_completion_interruptible+0x840/0x840 [ 247.495772] ? wake_up_q+0x100/0x100 [ 247.499515] ? ima_file_check+0x130/0x130 [ 247.504287] ucma_close+0xf5/0x310 [ 247.507816] ? ucma_free_ctx+0xdb0/0xdb0 [ 247.511958] __fput+0x385/0xa30 [ 247.515301] ? get_max_files+0x20/0x20 [ 247.519176] ? trace_hardirqs_on+0xbd/0x310 [ 247.523530] ? kasan_check_read+0x11/0x20 [ 247.527678] ? task_work_run+0x1af/0x2a0 [ 247.531722] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 247.537289] ? kasan_check_write+0x14/0x20 [ 247.541529] ? do_raw_spin_lock+0xc1/0x200 [ 247.546178] ____fput+0x15/0x20 [ 247.549459] task_work_run+0x1e8/0x2a0 [ 247.553395] ? task_work_cancel+0x240/0x240 [ 247.557807] ? copy_fd_bitmaps+0x210/0x210 [ 247.562031] ? do_syscall_64+0x9a/0x820 [ 247.566055] exit_to_usermode_loop+0x318/0x380 [ 247.570627] ? syscall_slow_exit_work+0x520/0x520 [ 247.575507] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 247.581034] do_syscall_64+0x6be/0x820 [ 247.584953] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 247.590381] ? syscall_return_slowpath+0x5e0/0x5e0 [ 247.595375] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 247.600215] ? trace_hardirqs_on_caller+0x310/0x310 [ 247.605287] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 247.610300] ? prepare_exit_to_usermode+0x291/0x3b0 [ 247.615446] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 247.620295] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 247.625533] RIP: 0033:0x410e91 [ 247.628716] Code: 24 90 00 00 00 48 8b 00 48 0f af c1 48 89 44 24 10 48 8b 44 24 50 48 89 04 24 48 8b 44 24 48 48 89 44 24 08 e8 20 61 04 00 48 <8b> 44 24 40 48 89 84 24 c8 00 00 00 48 8b ac 24 80 00 00 00 48 81 [ 247.648295] RSP: 002b:00007ffcafbb74e0 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 [ 247.656134] RAX: 0000000000000000 RBX: 0000000000000005 RCX: 0000000000410e91 [ 247.663449] RDX: 0000000000000000 RSI: 0000000000733c40 RDI: 0000000000000004 [ 247.670707] RBP: 0000000000000000 R08: ffffffffffffffff R09: ffffffffffffffff [ 247.678020] R10: 00007ffcafbb7410 R11: 0000000000000293 R12: 0000000000412c30 [ 247.685312] R13: 0000000000412cc0 R14: 0000000000000000 R15: badc0ffeebadface [ 247.692660] INFO: task syz-executor5:6987 blocked for more than 140 seconds. [ 247.700015] Not tainted 4.19.0-rc3+ #1 [ 247.704462] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 247.712413] syz-executor5 D23160 6987 5452 0x00000004 [ 247.718108] Call Trace: [ 247.720699] __schedule+0x86c/0x1ed0 [ 247.724475] ? mutex_unlock+0xd/0x10 [ 247.728183] ? __sched_text_start+0x8/0x8 [ 247.732321] ? lock_acquire+0x1ed/0x520 [ 247.736348] ? lock_release+0x970/0x970 [ 247.740314] ? arch_local_save_flags+0x40/0x40 [ 247.744965] ? print_usage_bug+0xc0/0xc0 [ 247.749025] ? graph_lock+0x170/0x170 [ 247.752861] ? graph_lock+0x170/0x170 [ 247.756769] schedule+0xfe/0x460 [ 247.760146] ? __schedule+0x1ed0/0x1ed0 [ 247.764192] ? find_held_lock+0x36/0x1c0 [ 247.768274] ? wait_for_completion+0x41f/0x8a0 [ 247.773435] schedule_timeout+0x1cc/0x260 [ 247.777591] ? usleep_range+0x1a0/0x1a0 [ 247.781558] ? wait_for_completion+0x41f/0x8a0 [ 247.786213] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 247.791657] ? kasan_check_write+0x14/0x20 [ 247.795927] ? do_raw_spin_lock+0xc1/0x200 [ 247.800153] wait_for_completion+0x427/0x8a0 [ 247.804597] ? wait_for_completion_interruptible+0x840/0x840 [ 247.810457] ? wake_up_q+0x100/0x100 [ 247.814245] ? ima_file_check+0x130/0x130 [ 247.818526] ucma_close+0xf5/0x310 [ 247.822070] ? ucma_free_ctx+0xdb0/0xdb0 [ 247.826184] __fput+0x385/0xa30 [ 247.829454] ? get_max_files+0x20/0x20 [ 247.833377] ? trace_hardirqs_on+0xbd/0x310 [ 247.837685] ? kasan_check_read+0x11/0x20 [ 247.841825] ? task_work_run+0x1af/0x2a0 [ 247.845935] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 247.851385] ? kasan_check_write+0x14/0x20 [ 247.855675] ? do_raw_spin_lock+0xc1/0x200 [ 247.859912] ____fput+0x15/0x20 [ 247.863268] task_work_run+0x1e8/0x2a0 [ 247.867255] ? task_work_cancel+0x240/0x240 [ 247.871563] ? copy_fd_bitmaps+0x210/0x210 [ 247.875891] ? do_syscall_64+0x9a/0x820 [ 247.879856] exit_to_usermode_loop+0x318/0x380 [ 247.884468] ? syscall_slow_exit_work+0x520/0x520 [ 247.889304] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 247.895244] do_syscall_64+0x6be/0x820 [ 247.899121] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 247.905038] ? syscall_return_slowpath+0x5e0/0x5e0 [ 247.909958] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 247.914845] ? trace_hardirqs_on_caller+0x310/0x310 [ 247.919847] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 247.924896] ? prepare_exit_to_usermode+0x291/0x3b0 [ 247.929904] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 247.934783] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 247.940091] RIP: 0033:0x410e91 [ 247.944213] Code: 24 90 00 00 00 48 8b 00 48 0f af c1 48 89 44 24 10 48 8b 44 24 50 48 89 04 24 48 8b 44 24 48 48 89 44 24 08 e8 20 61 04 00 48 <8b> 44 24 40 48 89 84 24 c8 00 00 00 48 8b ac 24 80 00 00 00 48 81 [ 247.963164] RSP: 002b:00007ffd14741200 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 [ 247.970898] RAX: 0000000000000000 RBX: 0000000000000005 RCX: 0000000000410e91 [ 247.978203] RDX: 0000000000000000 RSI: 0000000000733c40 RDI: 0000000000000004 [ 247.985510] RBP: 0000000000000000 R08: ffffffffffffffff R09: ffffffffffffffff [ 247.992825] R10: 00007ffd14741130 R11: 0000000000000293 R12: 0000000000412c30 [ 248.000145] R13: 0000000000412cc0 R14: 0000000000000000 R15: badc0ffeebadface [ 248.007545] INFO: task syz-executor2:6990 blocked for more than 140 seconds. [ 248.014766] Not tainted 4.19.0-rc3+ #1 [ 248.019157] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 248.027247] syz-executor2 D22664 6990 5447 0x00000004 [ 248.033557] Call Trace: [ 248.036312] __schedule+0x86c/0x1ed0 [ 248.040009] ? mutex_unlock+0xd/0x10 [ 248.043796] ? __sched_text_start+0x8/0x8 [ 248.047942] ? lock_acquire+0x1ed/0x520 [ 248.051904] ? lock_release+0x970/0x970 [ 248.055986] ? arch_local_save_flags+0x40/0x40 [ 248.060563] ? print_usage_bug+0xc0/0xc0 [ 248.064659] ? graph_lock+0x170/0x170 [ 248.068444] ? graph_lock+0x170/0x170 [ 248.072225] schedule+0xfe/0x460 [ 248.075642] ? __schedule+0x1ed0/0x1ed0 [ 248.079609] ? find_held_lock+0x36/0x1c0 [ 248.083712] ? wait_for_completion+0x41f/0x8a0 [ 248.088292] schedule_timeout+0x1cc/0x260 [ 248.092512] ? usleep_range+0x1a0/0x1a0 [ 248.096557] ? wait_for_completion+0x41f/0x8a0 [ 248.101131] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 248.106792] ? kasan_check_write+0x14/0x20 [ 248.111091] ? do_raw_spin_lock+0xc1/0x200 [ 248.115395] wait_for_completion+0x427/0x8a0 [ 248.119853] ? wait_for_completion_interruptible+0x840/0x840 [ 248.125729] ? wake_up_q+0x100/0x100 [ 248.129478] ? ima_file_check+0x130/0x130 [ 248.133709] ucma_close+0xf5/0x310 [ 248.137283] ? ucma_free_ctx+0xdb0/0xdb0 [ 248.141348] __fput+0x385/0xa30 [ 248.144688] ? get_max_files+0x20/0x20 [ 248.148567] ? trace_hardirqs_on+0xbd/0x310 [ 248.152929] ? kasan_check_read+0x11/0x20 [ 248.157071] ? task_work_run+0x1af/0x2a0 [ 248.161114] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 248.167201] ? kasan_check_write+0x14/0x20 [ 248.171442] ? do_raw_spin_lock+0xc1/0x200 [ 248.175770] ____fput+0x15/0x20 [ 248.179053] task_work_run+0x1e8/0x2a0 [ 248.183006] ? task_work_cancel+0x240/0x240 [ 248.187324] ? copy_fd_bitmaps+0x210/0x210 [ 248.191589] ? do_syscall_64+0x9a/0x820 [ 248.195647] exit_to_usermode_loop+0x318/0x380 [ 248.200235] ? syscall_slow_exit_work+0x520/0x520 [ 248.205146] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 248.210743] do_syscall_64+0x6be/0x820 [ 248.214710] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 248.220088] ? syscall_return_slowpath+0x5e0/0x5e0 [ 248.225130] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 248.229982] ? trace_hardirqs_on_caller+0x310/0x310 [ 248.235069] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 248.240212] ? prepare_exit_to_usermode+0x291/0x3b0 [ 248.245319] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 248.250176] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 248.255411] RIP: 0033:0x410e91 [ 248.258591] Code: 24 90 00 00 00 48 8b 00 48 0f af c1 48 89 44 24 10 48 8b 44 24 50 48 89 04 24 48 8b 44 24 48 48 89 44 24 08 e8 20 61 04 00 48 <8b> 44 24 40 48 89 84 24 c8 00 00 00 48 8b ac 24 80 00 00 00 48 81 [ 248.277704] RSP: 002b:00007ffed4ded8f0 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 [ 248.285441] RAX: 0000000000000000 RBX: 0000000000000005 RCX: 0000000000410e91 [ 248.293327] RDX: 0000000000000000 RSI: 0000000000733c40 RDI: 0000000000000004 [ 248.300588] RBP: 0000000000000000 R08: ffffffffffffffff R09: ffffffffffffffff [ 248.307966] R10: 00007ffed4ded820 R11: 0000000000000293 R12: 0000000000412c30 [ 248.315443] R13: 0000000000412cc0 R14: 0000000000000000 R15: badc0ffeebadface [ 248.322777] INFO: task syz-executor4:6999 blocked for more than 140 seconds. [ 248.330066] Not tainted 4.19.0-rc3+ #1 [ 248.334516] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 248.342470] syz-executor4 D23160 6999 5449 0x00000004 [ 248.348221] Call Trace: [ 248.350824] __schedule+0x86c/0x1ed0 [ 248.354588] ? mutex_unlock+0xd/0x10 [ 248.358307] ? __sched_text_start+0x8/0x8 [ 248.362445] ? lock_acquire+0x1ed/0x520 [ 248.366471] ? lock_release+0x970/0x970 [ 248.370437] ? arch_local_save_flags+0x40/0x40 [ 248.375087] ? print_usage_bug+0xc0/0xc0 [ 248.379198] ? graph_lock+0x170/0x170 [ 248.383049] ? graph_lock+0x170/0x170 [ 248.386918] schedule+0xfe/0x460 [ 248.390279] ? __schedule+0x1ed0/0x1ed0 [ 248.394301] ? find_held_lock+0x36/0x1c0 [ 248.398503] ? wait_for_completion+0x41f/0x8a0 [ 248.403167] schedule_timeout+0x1cc/0x260 [ 248.407312] ? usleep_range+0x1a0/0x1a0 [ 248.411282] ? wait_for_completion+0x41f/0x8a0 [ 248.415929] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 248.421387] ? kasan_check_write+0x14/0x20 [ 248.426234] ? do_raw_spin_lock+0xc1/0x200 [ 248.430472] wait_for_completion+0x427/0x8a0 [ 248.434955] ? wait_for_completion_interruptible+0x840/0x840 [ 248.440756] ? wake_up_q+0x100/0x100 [ 248.444559] ? ima_file_check+0x130/0x130 [ 248.448756] ucma_close+0xf5/0x310 [ 248.452301] ? ucma_free_ctx+0xdb0/0xdb0 [ 248.456444] __fput+0x385/0xa30 [ 248.459727] ? get_max_files+0x20/0x20 [ 248.463669] ? trace_hardirqs_on+0xbd/0x310 [ 248.467986] ? kasan_check_read+0x11/0x20 [ 248.472129] ? task_work_run+0x1af/0x2a0 [ 248.476289] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 248.481748] ? kasan_check_write+0x14/0x20 [ 248.486067] ? do_raw_spin_lock+0xc1/0x200 [ 248.490300] ____fput+0x15/0x20 [ 248.493637] task_work_run+0x1e8/0x2a0 [ 248.497529] ? task_work_cancel+0x240/0x240 [ 248.501853] ? copy_fd_bitmaps+0x210/0x210 [ 248.506234] ? do_syscall_64+0x9a/0x820 [ 248.510224] exit_to_usermode_loop+0x318/0x380 [ 248.514869] ? syscall_slow_exit_work+0x520/0x520 [ 248.519723] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 248.525369] do_syscall_64+0x6be/0x820 [ 248.529262] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 248.534691] ? syscall_return_slowpath+0x5e0/0x5e0 [ 248.539629] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 248.544536] ? trace_hardirqs_on_caller+0x310/0x310 [ 248.549659] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 248.555430] ? prepare_exit_to_usermode+0x291/0x3b0 [ 248.560503] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 248.565436] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 248.570632] RIP: 0033:0x410e91 [ 248.573889] Code: 28 41 0f b6 4a 01 80 f9 7a 0f 84 92 00 00 00 80 f9 6f 75 65 49 83 c2 02 41 bd 01 00 00 00 4c 89 54 24 28 45 0f b6 02 41 80 f8 <29> 74 bc 45 84 c0 74 b7 41 80 f8 2c 74 c0 49 8d 4a 01 eb 12 0f 1f [ 248.593500] RSP: 002b:00007ffebb2e0e70 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 [ 248.601214] RAX: 0000000000000000 RBX: 0000000000000005 RCX: 0000000000410e91 [ 248.608692] RDX: 0000000000000000 RSI: 0000000000733c40 RDI: 0000000000000004 [ 248.616016] RBP: 0000000000000000 R08: ffffffffffffffff R09: ffffffffffffffff [ 248.623344] R10: 00007ffebb2e0da0 R11: 0000000000000293 R12: 0000000000412c30 [ 248.630631] R13: 0000000000412cc0 R14: 0000000000000000 R15: badc0ffeebadface [ 248.638009] INFO: task syz-executor3:7011 blocked for more than 140 seconds. [ 248.645225] Not tainted 4.19.0-rc3+ #1 [ 248.649619] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 248.657638] syz-executor3 D23160 7011 5444 0x00000004 [ 248.663403] Call Trace: [ 248.665997] __schedule+0x86c/0x1ed0 [ 248.669699] ? mutex_unlock+0xd/0x10 [ 248.673463] ? __sched_text_start+0x8/0x8 [ 248.677620] ? lock_acquire+0x1ed/0x520 [ 248.681588] ? lock_release+0x970/0x970 [ 248.685983] ? arch_local_save_flags+0x40/0x40 [ 248.690605] ? print_usage_bug+0xc0/0xc0 [ 248.694737] ? graph_lock+0x170/0x170 [ 248.698544] ? graph_lock+0x170/0x170 [ 248.702341] schedule+0xfe/0x460 [ 248.705751] ? __schedule+0x1ed0/0x1ed0 [ 248.709724] ? find_held_lock+0x36/0x1c0 [ 248.713838] ? wait_for_completion+0x41f/0x8a0 [ 248.718416] schedule_timeout+0x1cc/0x260 [ 248.722548] ? usleep_range+0x1a0/0x1a0 [ 248.726585] ? wait_for_completion+0x41f/0x8a0 [ 248.731217] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 248.736720] ? kasan_check_write+0x14/0x20 [ 248.740969] ? do_raw_spin_lock+0xc1/0x200 [ 248.745259] wait_for_completion+0x427/0x8a0 [ 248.749667] ? wait_for_completion_interruptible+0x840/0x840 [ 248.755511] ? wake_up_q+0x100/0x100 [ 248.759242] ? ima_file_check+0x130/0x130 [ 248.763459] ucma_close+0xf5/0x310 [ 248.767012] ? ucma_free_ctx+0xdb0/0xdb0 [ 248.771067] __fput+0x385/0xa30 [ 248.774429] ? get_max_files+0x20/0x20 [ 248.778453] ? trace_hardirqs_on+0xbd/0x310 [ 248.782836] ? kasan_check_read+0x11/0x20 [ 248.786974] ? task_work_run+0x1af/0x2a0 [ 248.791024] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 248.796561] ? kasan_check_write+0x14/0x20 [ 248.800798] ? do_raw_spin_lock+0xc1/0x200 [ 248.805113] ____fput+0x15/0x20 [ 248.808474] task_work_run+0x1e8/0x2a0 [ 248.812362] ? task_work_cancel+0x240/0x240 [ 248.816773] ? copy_fd_bitmaps+0x210/0x210 [ 248.821006] ? do_syscall_64+0x9a/0x820 [ 248.825066] exit_to_usermode_loop+0x318/0x380 [ 248.829646] ? syscall_slow_exit_work+0x520/0x520 [ 248.834678] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 248.840232] do_syscall_64+0x6be/0x820 [ 248.844315] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 248.849748] ? syscall_return_slowpath+0x5e0/0x5e0 [ 248.854782] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 248.859700] ? trace_hardirqs_on_caller+0x310/0x310 [ 248.864861] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 248.869900] ? prepare_exit_to_usermode+0x291/0x3b0 [ 248.875043] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 248.879906] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 248.885198] RIP: 0033:0x410e91 [ 248.888393] Code: 24 90 00 00 00 48 8b 00 48 0f af c1 48 89 44 24 10 48 8b 44 24 50 48 89 04 24 48 8b 44 24 48 48 89 44 24 08 e8 20 61 04 00 48 <8b> 44 24 40 48 89 84 24 c8 00 00 00 48 8b ac 24 80 00 00 00 48 81 [ 248.907524] RSP: 002b:00007ffd6f0585a0 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 [ 248.915294] RAX: 0000000000000000 RBX: 0000000000000005 RCX: 0000000000410e91 [ 248.922564] RDX: 0000000000000000 RSI: 0000000000733c40 RDI: 0000000000000004 [ 248.929942] RBP: 0000000000000000 R08: ffffffffffffffff R09: ffffffffffffffff [ 248.937282] R10: 00007ffd6f0584d0 R11: 0000000000000293 R12: 0000000000412c30 [ 248.944802] R13: 0000000000412cc0 R14: 0000000000000000 R15: badc0ffeebadface [ 248.952094] [ 248.952094] Showing all locks held in the system: [ 248.958556] 1 lock held by khungtaskd/984: [ 248.962870] #0: 00000000aeabfca6 (rcu_read_lock){....}, at: debug_show_all_locks+0xd0/0x424 [ 248.971516] 1 lock held by rsyslogd/5207: [ 248.975834] 2 locks held by getty/5297: [ 248.979814] #0: 00000000685cb9fa (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x32/0x40 [ 248.988174] #1: 000000002733c782 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x335/0x1ce0 [ 248.997217] 2 locks held by getty/5298: [ 249.001188] #0: 0000000003e183c3 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x32/0x40 [ 249.009543] #1: 000000009f465eb7 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x335/0x1ce0 [ 249.018486] 2 locks held by getty/5299: [ 249.022457] #0: 00000000d118b655 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x32/0x40 [ 249.030822] #1: 00000000f553a115 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x335/0x1ce0 [ 249.039774] 2 locks held by getty/5300: [ 249.043876] #0: 00000000d83a9052 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x32/0x40 [ 249.052143] #1: 00000000814fac6c (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x335/0x1ce0 [ 249.061111] 2 locks held by getty/5301: [ 249.065312] #0: 00000000f04fb222 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x32/0x40 [ 249.073711] #1: 00000000b6323d51 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x335/0x1ce0 [ 249.082672] 2 locks held by getty/5302: [ 249.086638] #0: 000000004881cc51 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x32/0x40 [ 249.094981] #1: 00000000c9a0b60d (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x335/0x1ce0 [ 249.104034] 2 locks held by getty/5303: [ 249.107998] #0: 000000001aea2de3 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x32/0x40 [ 249.116345] #1: 00000000e9bad739 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x335/0x1ce0 [ 249.125302] [ 249.126940] ============================================= [ 249.126940] [ 249.133995] NMI backtrace for cpu 0 [ 249.137614] CPU: 0 PID: 984 Comm: khungtaskd Not tainted 4.19.0-rc3+ #1 [ 249.144352] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 249.153702] Call Trace: [ 249.156311] dump_stack+0x1c4/0x2b4 [ 249.160042] ? dump_stack_print_info.cold.2+0x52/0x52 [ 249.165234] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 249.170774] nmi_cpu_backtrace.cold.3+0x63/0xa2 [ 249.175453] ? lapic_can_unplug_cpu.cold.27+0x3f/0x3f [ 249.180697] nmi_trigger_cpumask_backtrace+0x1b3/0x1ed [ 249.185977] arch_trigger_cpumask_backtrace+0x14/0x20 [ 249.191229] watchdog+0xb3e/0x1050 [ 249.194784] ? reset_hung_task_detector+0xd0/0xd0 [ 249.199622] ? __kthread_parkme+0xce/0x1a0 [ 249.203855] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 249.208948] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 249.214054] ? lockdep_hardirqs_on+0x421/0x5c0 [ 249.218626] ? trace_hardirqs_on+0xbd/0x310 [ 249.222938] ? kasan_check_read+0x11/0x20 [ 249.227098] ? __kthread_parkme+0xce/0x1a0 [ 249.231324] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 249.236764] ? kasan_check_write+0x14/0x20 [ 249.240982] ? do_raw_spin_lock+0xc1/0x200 [ 249.245209] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 249.250295] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 249.255819] ? __kthread_parkme+0xfb/0x1a0 [ 249.260037] kthread+0x35a/0x420 [ 249.263393] ? reset_hung_task_detector+0xd0/0xd0 [ 249.268216] ? kthread_bind+0x40/0x40 [ 249.272024] ret_from_fork+0x3a/0x50 [ 249.275828] Sending NMI from CPU 0 to CPUs 1: [ 249.280419] NMI backtrace for cpu 1 skipped: idling at native_safe_halt+0x6/0x10 [ 249.281352] Kernel panic - not syncing: hung_task: blocked tasks [ 249.294117] CPU: 0 PID: 984 Comm: khungtaskd Not tainted 4.19.0-rc3+ #1 [ 249.300846] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 249.310181] Call Trace: [ 249.312759] dump_stack+0x1c4/0x2b4 [ 249.316372] ? dump_stack_print_info.cold.2+0x52/0x52 [ 249.321651] ? printk_safe_log_store+0x2f0/0x2f0 [ 249.326397] panic+0x238/0x4e7 [ 249.329574] ? add_taint.cold.5+0x16/0x16 [ 249.333709] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 249.339241] ? nmi_trigger_cpumask_backtrace+0x173/0x1ed [ 249.344738] ? nmi_trigger_cpumask_backtrace+0x16a/0x1ed [ 249.350182] watchdog+0xb4f/0x1050 [ 249.353721] ? reset_hung_task_detector+0xd0/0xd0 [ 249.358553] ? __kthread_parkme+0xce/0x1a0 [ 249.362775] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 249.367867] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 249.372957] ? lockdep_hardirqs_on+0x421/0x5c0 [ 249.377528] ? trace_hardirqs_on+0xbd/0x310 [ 249.381834] ? kasan_check_read+0x11/0x20 [ 249.385966] ? __kthread_parkme+0xce/0x1a0 [ 249.390185] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 249.395696] ? kasan_check_write+0x14/0x20 [ 249.399931] ? do_raw_spin_lock+0xc1/0x200 [ 249.404160] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 249.409254] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 249.414782] ? __kthread_parkme+0xfb/0x1a0 [ 249.419010] kthread+0x35a/0x420 [ 249.422366] ? reset_hung_task_detector+0xd0/0xd0 [ 249.427193] ? kthread_bind+0x40/0x40 [ 249.430977] ret_from_fork+0x3a/0x50 [ 249.435741] Kernel Offset: disabled [ 249.439367] Rebooting in 86400 seconds..