Warning: Permanently added '10.128.10.55' (ECDSA) to the list of known hosts. 2020/02/12 04:58:21 parsed 1 programs 2020/02/12 04:58:22 executed programs: 0 [ 84.245017] IPVS: ftp: loaded support on port[0] = 21 [ 84.270357] IPVS: ftp: loaded support on port[0] = 21 [ 84.281888] IPVS: ftp: loaded support on port[0] = 21 [ 84.288561] IPVS: ftp: loaded support on port[0] = 21 [ 84.379229] IPVS: ftp: loaded support on port[0] = 21 [ 84.469893] IPVS: ftp: loaded support on port[0] = 21 [ 85.160135] bridge0: port 1(bridge_slave_0) entered blocking state [ 85.172908] bridge0: port 1(bridge_slave_0) entered disabled state [ 85.180143] device bridge_slave_0 entered promiscuous mode [ 85.200137] bridge0: port 1(bridge_slave_0) entered blocking state [ 85.210512] bridge0: port 1(bridge_slave_0) entered disabled state [ 85.218052] device bridge_slave_0 entered promiscuous mode [ 85.241900] bridge0: port 2(bridge_slave_1) entered blocking state [ 85.248423] bridge0: port 2(bridge_slave_1) entered disabled state [ 85.255973] device bridge_slave_1 entered promiscuous mode [ 85.304747] bridge0: port 2(bridge_slave_1) entered blocking state [ 85.311251] bridge0: port 2(bridge_slave_1) entered disabled state [ 85.324051] device bridge_slave_1 entered promiscuous mode [ 85.335952] bridge0: port 1(bridge_slave_0) entered blocking state [ 85.342346] bridge0: port 1(bridge_slave_0) entered disabled state [ 85.350148] device bridge_slave_0 entered promiscuous mode [ 85.377245] bridge0: port 1(bridge_slave_0) entered blocking state [ 85.386181] bridge0: port 1(bridge_slave_0) entered disabled state [ 85.407974] device bridge_slave_0 entered promiscuous mode [ 85.434335] bridge0: port 2(bridge_slave_1) entered blocking state [ 85.440708] bridge0: port 2(bridge_slave_1) entered disabled state [ 85.457051] device bridge_slave_1 entered promiscuous mode [ 85.478236] bridge0: port 1(bridge_slave_0) entered blocking state [ 85.489047] bridge0: port 1(bridge_slave_0) entered disabled state [ 85.496790] device bridge_slave_0 entered promiscuous mode [ 85.506408] bridge0: port 1(bridge_slave_0) entered blocking state [ 85.512900] bridge0: port 1(bridge_slave_0) entered disabled state [ 85.520140] device bridge_slave_0 entered promiscuous mode [ 85.526842] bridge0: port 2(bridge_slave_1) entered blocking state [ 85.533430] bridge0: port 2(bridge_slave_1) entered disabled state [ 85.540560] device bridge_slave_1 entered promiscuous mode [ 85.564282] bridge0: port 2(bridge_slave_1) entered blocking state [ 85.570686] bridge0: port 2(bridge_slave_1) entered disabled state [ 85.579804] device bridge_slave_1 entered promiscuous mode [ 85.588592] bridge0: port 2(bridge_slave_1) entered blocking state [ 85.596949] bridge0: port 2(bridge_slave_1) entered disabled state [ 85.605678] device bridge_slave_1 entered promiscuous mode [ 85.625994] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 85.682975] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 85.704809] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 85.743950] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 85.757544] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 85.833511] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 85.865523] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 85.884507] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 85.915931] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 85.939080] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 85.967312] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 85.996074] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 86.017747] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 86.030764] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 86.047453] team0: Port device team_slave_0 added [ 86.056636] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 86.080584] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 86.098479] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 86.132162] team0: Port device team_slave_1 added [ 86.143731] team0: Port device team_slave_0 added [ 86.153982] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 86.168904] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 86.218551] team0: Port device team_slave_1 added [ 86.228803] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 86.245531] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 86.258731] team0: Port device team_slave_0 added [ 86.277055] team0: Port device team_slave_0 added [ 86.295558] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 86.312178] team0: Port device team_slave_1 added [ 86.327225] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 86.338286] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 86.358879] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 86.367189] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 86.378173] team0: Port device team_slave_1 added [ 86.389391] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 86.407857] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 86.416383] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 86.426074] team0: Port device team_slave_0 added [ 86.433492] team0: Port device team_slave_0 added [ 86.445104] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 86.465464] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 86.494670] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 86.505208] team0: Port device team_slave_1 added [ 86.518100] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 86.532177] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 86.545925] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 86.559286] team0: Port device team_slave_1 added [ 86.569115] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 86.577480] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 86.599476] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 86.630111] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 86.638551] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 86.646358] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 86.654305] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 86.661770] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 86.669552] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 86.694031] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 86.708953] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 86.729884] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 86.739083] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 86.764443] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 86.808293] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 86.816278] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 86.840742] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 86.857641] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 86.881225] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 86.889324] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 86.909619] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 86.926571] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 87.189759] bridge0: port 2(bridge_slave_1) entered blocking state [ 87.196302] bridge0: port 2(bridge_slave_1) entered forwarding state [ 87.203616] bridge0: port 1(bridge_slave_0) entered blocking state [ 87.210010] bridge0: port 1(bridge_slave_0) entered forwarding state [ 87.249466] bridge0: port 2(bridge_slave_1) entered blocking state [ 87.255907] bridge0: port 2(bridge_slave_1) entered forwarding state [ 87.262602] bridge0: port 1(bridge_slave_0) entered blocking state [ 87.268985] bridge0: port 1(bridge_slave_0) entered forwarding state [ 87.291925] bridge0: port 2(bridge_slave_1) entered blocking state [ 87.298398] bridge0: port 2(bridge_slave_1) entered forwarding state [ 87.305170] bridge0: port 1(bridge_slave_0) entered blocking state [ 87.311528] bridge0: port 1(bridge_slave_0) entered forwarding state [ 87.399807] bridge0: port 2(bridge_slave_1) entered blocking state [ 87.406251] bridge0: port 2(bridge_slave_1) entered forwarding state [ 87.412943] bridge0: port 1(bridge_slave_0) entered blocking state [ 87.419312] bridge0: port 1(bridge_slave_0) entered forwarding state [ 87.547648] bridge0: port 2(bridge_slave_1) entered blocking state [ 87.554082] bridge0: port 2(bridge_slave_1) entered forwarding state [ 87.560805] bridge0: port 1(bridge_slave_0) entered blocking state [ 87.567220] bridge0: port 1(bridge_slave_0) entered forwarding state [ 87.578138] bridge0: port 2(bridge_slave_1) entered blocking state [ 87.584509] bridge0: port 2(bridge_slave_1) entered forwarding state [ 87.591124] bridge0: port 1(bridge_slave_0) entered blocking state [ 87.597524] bridge0: port 1(bridge_slave_0) entered forwarding state [ 87.983777] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 87.992437] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 87.999914] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 88.007205] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 88.015306] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 88.022388] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 89.309407] 8021q: adding VLAN 0 to HW filter on device bond0 [ 89.322091] 8021q: adding VLAN 0 to HW filter on device bond0 [ 89.496321] 8021q: adding VLAN 0 to HW filter on device bond0 [ 89.522912] 8021q: adding VLAN 0 to HW filter on device bond0 [ 89.538483] 8021q: adding VLAN 0 to HW filter on device bond0 [ 89.564737] 8021q: adding VLAN 0 to HW filter on device bond0 [ 89.711105] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 89.721179] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 89.738020] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 89.746222] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 89.858776] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 89.870849] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 89.898939] 8021q: adding VLAN 0 to HW filter on device team0 [ 89.905820] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 89.922038] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 89.941036] 8021q: adding VLAN 0 to HW filter on device team0 [ 89.951819] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 89.962020] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 90.000065] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 90.013112] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 90.076530] 8021q: adding VLAN 0 to HW filter on device team0 [ 90.097312] 8021q: adding VLAN 0 to HW filter on device team0 [ 90.144589] 8021q: adding VLAN 0 to HW filter on device team0 [ 90.206583] 8021q: adding VLAN 0 to HW filter on device team0 [ 91.063370] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 91.130363] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 91.293391] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 91.360500] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 91.498281] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 91.499485] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 2020/02/12 04:58:30 executed programs: 6 [ 91.920981] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 252.142722] INFO: task syz-executor1:9016 blocked for more than 143 seconds. [ 252.150226] Not tainted 5.6.0-rc1-syzkaller #0 [ 252.155482] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 252.163565] syz-executor1 D28048 9016 7442 0x00000004 [ 252.169185] Call Trace: [ 252.171831] __schedule+0x856/0x1910 [ 252.176321] ? __sched_text_start+0x8/0x8 [ 252.180535] ? __lock_acquire+0x2cd5/0x4ef0 [ 252.184947] schedule+0xc3/0x2b0 [ 252.188360] schedule_timeout+0x5c4/0xad0 [ 252.192542] ? __kasan_check_read+0x11/0x20 [ 252.196945] ? mark_lock+0xc5/0x11d0 [ 252.200651] ? usleep_range+0x130/0x130 [ 252.204730] ? mark_held_locks+0xb8/0x130 [ 252.208877] ? do_raw_spin_lock+0x132/0x2e0 [ 252.213308] ? _raw_spin_unlock_irq+0x22/0x80 [ 252.217805] ? wait_for_completion+0x283/0x460 [ 252.222452] ? lockdep_hardirqs_on+0x42d/0x5d0 [ 252.227158] ? _raw_spin_unlock_irq+0x22/0x80 [ 252.231728] ? trace_hardirqs_on+0x28/0x1b0 [ 252.236141] wait_for_completion+0x28b/0x460 [ 252.240561] ? wait_for_completion_interruptible+0x4b0/0x4b0 [ 252.246522] ? wake_up_q+0x120/0x120 [ 252.250285] ? __kasan_check_read+0x11/0x20 [ 252.254721] __flush_work+0x3ee/0x8b0 [ 252.258519] ? max_active_store+0x100/0x100 [ 252.262964] ? init_pwq+0x330/0x330 [ 252.266593] ? __cancel_work_timer+0x159/0x440 [ 252.271159] ? trace_hardirqs_on+0x28/0x1b0 [ 252.275583] __cancel_work_timer+0x308/0x440 [ 252.280049] ? mod_delayed_work_on+0x1a0/0x1a0 [ 252.284800] ? mark_held_locks+0x130/0x130 [ 252.289096] cancel_delayed_work_sync+0xe/0x10 [ 252.294890] tls_sw_cancel_work_tx+0x63/0x70 [ 252.299315] tls_sk_proto_close+0x400/0x9a0 [ 252.304296] ? __sock_release+0x7d/0x280 [ 252.308421] ? wait_on_pending_writer+0x3b0/0x3b0 [ 252.313343] ? __kasan_check_write+0x14/0x20 [ 252.317742] ? down_write+0xdc/0x150 [ 252.321508] inet_release+0xc6/0x1c0 [ 252.325343] inet6_release+0x46/0x60 [ 252.329065] __sock_release+0xc7/0x280 [ 252.333054] sock_close+0x13/0x20 [ 252.336551] __fput+0x25d/0x780 [ 252.339816] ? _raw_spin_unlock_irq+0x22/0x80 [ 252.344403] ____fput+0x9/0x10 [ 252.347613] task_work_run+0x10e/0x190 [ 252.351565] exit_to_usermode_loop+0x1be/0x210 [ 252.356215] do_syscall_64+0x50b/0x600 [ 252.360108] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 252.365373] RIP: 0033:0x411211 [ 252.368558] Code: a5 fe ff ff 48 8d 3c 18 48 8d 7f f8 48 8b 07 48 85 c0 74 0d 90 48 8d 78 08 45 31 c0 e9 4b fe ff ff 48 89 d0 e9 56 ff ff ff 48 <89> 44 24 20 48 8b 4c 24 48 48 89 0c 24 48 89 54 24 08 48 89 44 24 [ 252.387525] RSP: 002b:00007fffd49aef50 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 [ 252.395274] RAX: 0000000000000000 RBX: 0000000000000005 RCX: 0000000000411211 [ 252.402590] RDX: 0000000000000000 RSI: 0000000000740b80 RDI: 0000000000000004 [ 252.409914] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 252.417253] R10: 00007fffd49aee80 R11: 0000000000000293 R12: 0000000000000000 [ 252.424580] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001 [ 252.431854] INFO: task syz-executor4:9058 blocked for more than 143 seconds. [ 252.439669] Not tainted 5.6.0-rc1-syzkaller #0 [ 252.444924] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 252.452957] syz-executor4 D28048 9058 7436 0x00000004 [ 252.458577] Call Trace: [ 252.461150] __schedule+0x856/0x1910 [ 252.464952] ? __sched_text_start+0x8/0x8 [ 252.469105] ? __lock_acquire+0x100f/0x4ef0 [ 252.473620] schedule+0xc3/0x2b0 [ 252.476991] schedule_timeout+0x5c4/0xad0 [ 252.481121] ? __kasan_check_read+0x11/0x20 [ 252.485588] ? mark_lock+0xc5/0x11d0 [ 252.489340] ? usleep_range+0x130/0x130 [ 252.493359] ? mark_held_locks+0xb8/0x130 [ 252.497508] ? do_raw_spin_lock+0x132/0x2e0 [ 252.501812] ? _raw_spin_unlock_irq+0x22/0x80 [ 252.506439] ? wait_for_completion+0x283/0x460 [ 252.511077] ? lockdep_hardirqs_on+0x42d/0x5d0 [ 252.515733] ? _raw_spin_unlock_irq+0x22/0x80 [ 252.520283] ? trace_hardirqs_on+0x28/0x1b0 [ 252.524698] wait_for_completion+0x28b/0x460 [ 252.529112] ? wait_for_completion_interruptible+0x4b0/0x4b0 [ 252.534972] ? wake_up_q+0x120/0x120 [ 252.538698] ? __kasan_check_read+0x11/0x20 [ 252.543499] __flush_work+0x3ee/0x8b0 [ 252.547293] ? max_active_store+0x100/0x100 [ 252.551608] ? init_pwq+0x330/0x330 [ 252.555342] ? __cancel_work_timer+0x159/0x440 [ 252.559924] ? trace_hardirqs_on+0x28/0x1b0 [ 252.564887] __cancel_work_timer+0x308/0x440 [ 252.569310] ? mod_delayed_work_on+0x1a0/0x1a0 [ 252.574023] ? mark_held_locks+0x130/0x130 [ 252.578264] cancel_delayed_work_sync+0xe/0x10 [ 252.583025] tls_sw_cancel_work_tx+0x63/0x70 [ 252.587459] tls_sk_proto_close+0x400/0x9a0 [ 252.591761] ? __sock_release+0x7d/0x280 [ 252.595952] ? wait_on_pending_writer+0x3b0/0x3b0 [ 252.600814] ? __kasan_check_write+0x14/0x20 [ 252.605302] ? down_write+0xdc/0x150 [ 252.609014] inet_release+0xc6/0x1c0 [ 252.612772] inet6_release+0x46/0x60 [ 252.616483] __sock_release+0xc7/0x280 [ 252.620373] sock_close+0x13/0x20 [ 252.623945] __fput+0x25d/0x780 [ 252.627220] ? _raw_spin_unlock_irq+0x22/0x80 [ 252.631703] ____fput+0x9/0x10 [ 252.635169] task_work_run+0x10e/0x190 [ 252.639082] exit_to_usermode_loop+0x1be/0x210 [ 252.643779] do_syscall_64+0x50b/0x600 [ 252.647677] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 252.652925] RIP: 0033:0x411211 [ 252.656156] Code: a5 fe ff ff 48 8d 3c 18 48 8d 7f f8 48 8b 07 48 85 c0 74 0d 90 48 8d 78 08 45 31 c0 e9 4b fe ff ff 48 89 d0 e9 56 ff ff ff 48 <89> 44 24 20 48 8b 4c 24 48 48 89 0c 24 48 89 54 24 08 48 89 44 24 [ 252.675148] RSP: 002b:00007ffce4d4f220 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 [ 252.682886] RAX: 0000000000000000 RBX: 0000000000000005 RCX: 0000000000411211 [ 252.690136] RDX: 0000000000000000 RSI: 0000000000740b80 RDI: 0000000000000004 [ 252.697975] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 252.705349] R10: 00007ffce4d4f150 R11: 0000000000000293 R12: 0000000000000000 [ 252.712650] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000004 [ 252.719930] INFO: task syz-executor2:9065 blocked for more than 143 seconds. [ 252.727143] Not tainted 5.6.0-rc1-syzkaller #0 [ 252.732242] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 252.740260] syz-executor2 D28048 9065 7455 0x00000004 [ 252.745912] Call Trace: [ 252.748501] __schedule+0x856/0x1910 [ 252.752197] ? __sched_text_start+0x8/0x8 [ 252.756388] ? __lock_acquire+0x100f/0x4ef0 [ 252.760714] schedule+0xc3/0x2b0 [ 252.764110] schedule_timeout+0x5c4/0xad0 [ 252.768246] ? __kasan_check_read+0x11/0x20 [ 252.772608] ? mark_lock+0xc5/0x11d0 [ 252.776313] ? usleep_range+0x130/0x130 [ 252.780289] ? mark_held_locks+0xb8/0x130 [ 252.784530] ? do_raw_spin_lock+0x132/0x2e0 [ 252.788869] ? _raw_spin_unlock_irq+0x22/0x80 [ 252.793411] ? wait_for_completion+0x283/0x460 [ 252.798019] ? lockdep_hardirqs_on+0x42d/0x5d0 [ 252.802672] ? _raw_spin_unlock_irq+0x22/0x80 [ 252.807217] ? trace_hardirqs_on+0x28/0x1b0 [ 252.811572] wait_for_completion+0x28b/0x460 [ 252.816055] ? wait_for_completion_interruptible+0x4b0/0x4b0 [ 252.821849] ? wake_up_q+0x120/0x120 [ 252.826111] ? __kasan_check_read+0x11/0x20 [ 252.830438] __flush_work+0x3ee/0x8b0 [ 252.834316] ? max_active_store+0x100/0x100 [ 252.838640] ? init_pwq+0x330/0x330 [ 252.842308] ? __cancel_work_timer+0x159/0x440 [ 252.846955] ? trace_hardirqs_on+0x28/0x1b0 [ 252.851316] __cancel_work_timer+0x308/0x440 [ 252.855780] ? mod_delayed_work_on+0x1a0/0x1a0 [ 252.860376] ? mark_held_locks+0x130/0x130 [ 252.864748] cancel_delayed_work_sync+0xe/0x10 [ 252.869432] tls_sw_cancel_work_tx+0x63/0x70 [ 252.873910] tls_sk_proto_close+0x400/0x9a0 [ 252.878275] ? __sock_release+0x7d/0x280 [ 252.882333] ? wait_on_pending_writer+0x3b0/0x3b0 [ 252.887237] ? __kasan_check_write+0x14/0x20 [ 252.891674] ? down_write+0xdc/0x150 [ 252.895475] inet_release+0xc6/0x1c0 [ 252.899186] inet6_release+0x46/0x60 [ 252.902958] __sock_release+0xc7/0x280 [ 252.906844] sock_close+0x13/0x20 [ 252.910321] __fput+0x25d/0x780 [ 252.913676] ? _raw_spin_unlock_irq+0x22/0x80 [ 252.918189] ____fput+0x9/0x10 [ 252.921372] task_work_run+0x10e/0x190 [ 252.925341] exit_to_usermode_loop+0x1be/0x210 [ 252.929927] do_syscall_64+0x50b/0x600 [ 252.933917] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 252.939103] RIP: 0033:0x411211 [ 252.942274] Code: a5 fe ff ff 48 8d 3c 18 48 8d 7f f8 48 8b 07 48 85 c0 74 0d 90 48 8d 78 08 45 31 c0 e9 4b fe ff ff 48 89 d0 e9 56 ff ff ff 48 <89> 44 24 20 48 8b 4c 24 48 48 89 0c 24 48 89 54 24 08 48 89 44 24 [ 252.961861] RSP: 002b:00007fff662d4c60 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 [ 252.969648] RAX: 0000000000000000 RBX: 0000000000000005 RCX: 0000000000411211 [ 252.976973] RDX: 0000000000000000 RSI: 0000000000740b80 RDI: 0000000000000004 [ 252.984308] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 252.991578] R10: 00007fff662d4b90 R11: 0000000000000293 R12: 0000000000000000 [ 252.998920] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000002 [ 253.006241] INFO: task syz-executor3:9076 blocked for more than 144 seconds. [ 253.013477] Not tainted 5.6.0-rc1-syzkaller #0 [ 253.018572] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 253.026595] syz-executor3 D28048 9076 7441 0x00000004 [ 253.032227] Call Trace: [ 253.034881] __schedule+0x856/0x1910 [ 253.038685] ? __sched_text_start+0x8/0x8 [ 253.042907] ? __lock_acquire+0x100f/0x4ef0 [ 253.047229] schedule+0xc3/0x2b0 [ 253.050626] schedule_timeout+0x5c4/0xad0 [ 253.054857] ? __kasan_check_read+0x11/0x20 [ 253.059177] ? mark_lock+0xc5/0x11d0 [ 253.062942] ? usleep_range+0x130/0x130 [ 253.066915] ? mark_held_locks+0xb8/0x130 [ 253.071051] ? do_raw_spin_lock+0x132/0x2e0 [ 253.075453] ? _raw_spin_unlock_irq+0x22/0x80 [ 253.079951] ? wait_for_completion+0x283/0x460 [ 253.085133] ? lockdep_hardirqs_on+0x42d/0x5d0 [ 253.089727] ? _raw_spin_unlock_irq+0x22/0x80 [ 253.094298] ? trace_hardirqs_on+0x28/0x1b0 [ 253.098622] wait_for_completion+0x28b/0x460 [ 253.103099] ? wait_for_completion_interruptible+0x4b0/0x4b0 [ 253.108892] ? wake_up_q+0x120/0x120 [ 253.112691] ? __kasan_check_read+0x11/0x20 [ 253.117013] __flush_work+0x3ee/0x8b0 [ 253.120801] ? max_active_store+0x100/0x100 [ 253.125186] ? init_pwq+0x330/0x330 [ 253.128828] ? __cancel_work_timer+0x159/0x440 [ 253.133489] ? trace_hardirqs_on+0x28/0x1b0 [ 253.137809] __cancel_work_timer+0x308/0x440 [ 253.142208] ? mod_delayed_work_on+0x1a0/0x1a0 [ 253.146900] ? mark_held_locks+0x130/0x130 [ 253.151135] cancel_delayed_work_sync+0xe/0x10 [ 253.155802] tls_sw_cancel_work_tx+0x63/0x70 [ 253.160207] tls_sk_proto_close+0x400/0x9a0 [ 253.164566] ? __sock_release+0x7d/0x280 [ 253.168631] ? wait_on_pending_writer+0x3b0/0x3b0 [ 253.173564] ? __kasan_check_write+0x14/0x20 [ 253.177974] ? down_write+0xdc/0x150 [ 253.181671] inet_release+0xc6/0x1c0 [ 253.185459] inet6_release+0x46/0x60 [ 253.189288] __sock_release+0xc7/0x280 [ 253.193253] sock_close+0x13/0x20 [ 253.196739] __fput+0x25d/0x780 [ 253.200012] ? _raw_spin_unlock_irq+0x22/0x80 [ 253.204577] ____fput+0x9/0x10 [ 253.207771] task_work_run+0x10e/0x190 [ 253.211648] exit_to_usermode_loop+0x1be/0x210 [ 253.216804] do_syscall_64+0x50b/0x600 [ 253.220694] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 253.226033] RIP: 0033:0x411211 [ 253.229267] Code: a5 fe ff ff 48 8d 3c 18 48 8d 7f f8 48 8b 07 48 85 c0 74 0d 90 48 8d 78 08 45 31 c0 e9 4b fe ff ff 48 89 d0 e9 56 ff ff ff 48 <89> 44 24 20 48 8b 4c 24 48 48 89 0c 24 48 89 54 24 08 48 89 44 24 [ 253.248301] RSP: 002b:00007ffdf63c0cf0 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 [ 253.256090] RAX: 0000000000000000 RBX: 0000000000000005 RCX: 0000000000411211 [ 253.263592] RDX: 0000000000000000 RSI: 0000000000740b80 RDI: 0000000000000004 [ 253.270850] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 253.278199] R10: 00007ffdf63c0c20 R11: 0000000000000293 R12: 0000000000000000 [ 253.285507] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000003 [ 253.292870] INFO: task syz-executor0:9077 blocked for more than 144 seconds. [ 253.300052] Not tainted 5.6.0-rc1-syzkaller #0 [ 253.305224] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 253.313334] syz-executor0 D28048 9077 7430 0x00000004 [ 253.318951] Call Trace: [ 253.321538] __schedule+0x856/0x1910 [ 253.325387] ? __sched_text_start+0x8/0x8 [ 253.329642] ? __lock_acquire+0x100f/0x4ef0 [ 253.334041] schedule+0xc3/0x2b0 [ 253.337405] schedule_timeout+0x5c4/0xad0 [ 253.341544] ? __kasan_check_read+0x11/0x20 [ 253.346453] ? mark_lock+0xc5/0x11d0 [ 253.350158] ? usleep_range+0x130/0x130 [ 253.354203] ? mark_held_locks+0xb8/0x130 [ 253.358341] ? do_raw_spin_lock+0x132/0x2e0 [ 253.362728] ? _raw_spin_unlock_irq+0x22/0x80 [ 253.367226] ? wait_for_completion+0x283/0x460 [ 253.371800] ? lockdep_hardirqs_on+0x42d/0x5d0 [ 253.376453] ? _raw_spin_unlock_irq+0x22/0x80 [ 253.380946] ? trace_hardirqs_on+0x28/0x1b0 [ 253.385326] wait_for_completion+0x28b/0x460 [ 253.389731] ? wait_for_completion_interruptible+0x4b0/0x4b0 [ 253.395595] ? wake_up_q+0x120/0x120 [ 253.399308] ? __kasan_check_read+0x11/0x20 [ 253.403697] __flush_work+0x3ee/0x8b0 [ 253.407526] ? max_active_store+0x100/0x100 [ 253.411831] ? init_pwq+0x330/0x330 [ 253.415528] ? __cancel_work_timer+0x159/0x440 [ 253.420106] ? trace_hardirqs_on+0x28/0x1b0 [ 253.424512] __cancel_work_timer+0x308/0x440 [ 253.428916] ? mod_delayed_work_on+0x1a0/0x1a0 [ 253.433553] ? mark_held_locks+0x130/0x130 [ 253.437794] cancel_delayed_work_sync+0xe/0x10 [ 253.442449] tls_sw_cancel_work_tx+0x63/0x70 [ 253.447001] tls_sk_proto_close+0x400/0x9a0 [ 253.451337] ? __sock_release+0x7d/0x280 [ 253.455440] ? wait_on_pending_writer+0x3b0/0x3b0 [ 253.460290] ? __kasan_check_write+0x14/0x20 [ 253.464798] ? down_write+0xdc/0x150 [ 253.468525] inet_release+0xc6/0x1c0 [ 253.472225] inet6_release+0x46/0x60 [ 253.476616] __sock_release+0xc7/0x280 [ 253.480564] sock_close+0x13/0x20 [ 253.484119] __fput+0x25d/0x780 [ 253.487418] ? _raw_spin_unlock_irq+0x22/0x80 [ 253.491924] ____fput+0x9/0x10 [ 253.495169] task_work_run+0x10e/0x190 [ 253.499051] exit_to_usermode_loop+0x1be/0x210 [ 253.503747] do_syscall_64+0x50b/0x600 [ 253.507646] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 253.512874] RIP: 0033:0x411211 [ 253.516054] Code: a5 fe ff ff 48 8d 3c 18 48 8d 7f f8 48 8b 07 48 85 c0 74 0d 90 48 8d 78 08 45 31 c0 e9 4b fe ff ff 48 89 d0 e9 56 ff ff ff 48 <89> 44 24 20 48 8b 4c 24 48 48 89 0c 24 48 89 54 24 08 48 89 44 24 [ 253.535118] RSP: 002b:00007ffde728bf40 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 [ 253.542867] RAX: 0000000000000000 RBX: 0000000000000005 RCX: 0000000000411211 [ 253.550234] RDX: 0000000000000000 RSI: 0000000000740b80 RDI: 0000000000000004 [ 253.557594] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 253.564932] R10: 00007ffde728be70 R11: 0000000000000293 R12: 0000000000000000 [ 253.572237] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000000 [ 253.579641] INFO: task syz-executor5:9087 blocked for more than 144 seconds. [ 253.586858] Not tainted 5.6.0-rc1-syzkaller #0 [ 253.592039] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 253.600186] syz-executor5 D28048 9087 7443 0x00000004 [ 253.606287] Call Trace: [ 253.608871] __schedule+0x856/0x1910 [ 253.612640] ? __sched_text_start+0x8/0x8 [ 253.616875] ? __lock_acquire+0x100f/0x4ef0 [ 253.621226] schedule+0xc3/0x2b0 [ 253.624643] schedule_timeout+0x5c4/0xad0 [ 253.628824] ? __kasan_check_read+0x11/0x20 [ 253.633255] ? mark_lock+0xc5/0x11d0 [ 253.636964] ? usleep_range+0x130/0x130 [ 253.640927] ? mark_held_locks+0xb8/0x130 [ 253.645123] ? do_raw_spin_lock+0x132/0x2e0 [ 253.649437] ? _raw_spin_unlock_irq+0x22/0x80 [ 253.654031] ? wait_for_completion+0x283/0x460 [ 253.658614] ? lockdep_hardirqs_on+0x42d/0x5d0 [ 253.663251] ? _raw_spin_unlock_irq+0x22/0x80 [ 253.667741] ? trace_hardirqs_on+0x28/0x1b0 [ 253.672061] wait_for_completion+0x28b/0x460 [ 253.676555] ? wait_for_completion_interruptible+0x4b0/0x4b0 [ 253.682348] ? wake_up_q+0x120/0x120 [ 253.686106] ? __kasan_check_read+0x11/0x20 [ 253.690479] __flush_work+0x3ee/0x8b0 [ 253.694353] ? max_active_store+0x100/0x100 [ 253.698677] ? init_pwq+0x330/0x330 [ 253.703080] ? __cancel_work_timer+0x159/0x440 [ 253.707657] ? trace_hardirqs_on+0x28/0x1b0 [ 253.711973] __cancel_work_timer+0x308/0x440 [ 253.716452] ? mod_delayed_work_on+0x1a0/0x1a0 [ 253.721043] ? mark_held_locks+0x130/0x130 [ 253.725341] cancel_delayed_work_sync+0xe/0x10 [ 253.729925] tls_sw_cancel_work_tx+0x63/0x70 [ 253.734954] tls_sk_proto_close+0x400/0x9a0 [ 253.739269] ? __sock_release+0x7d/0x280 [ 253.743474] ? wait_on_pending_writer+0x3b0/0x3b0 [ 253.748336] ? __kasan_check_write+0x14/0x20 [ 253.752927] ? down_write+0xdc/0x150 [ 253.756704] inet_release+0xc6/0x1c0 [ 253.760402] inet6_release+0x46/0x60 [ 253.764175] __sock_release+0xc7/0x280 [ 253.768113] sock_close+0x13/0x20 [ 253.771580] __fput+0x25d/0x780 [ 253.775031] ? _raw_spin_unlock_irq+0x22/0x80 [ 253.779579] ____fput+0x9/0x10 [ 253.782835] task_work_run+0x10e/0x190 [ 253.786725] exit_to_usermode_loop+0x1be/0x210 [ 253.791292] do_syscall_64+0x50b/0x600 [ 253.795263] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 253.800443] RIP: 0033:0x411211 [ 253.803692] Code: a5 fe ff ff 48 8d 3c 18 48 8d 7f f8 48 8b 07 48 85 c0 74 0d 90 48 8d 78 08 45 31 c0 e9 4b fe ff ff 48 89 d0 e9 56 ff ff ff 48 <89> 44 24 20 48 8b 4c 24 48 48 89 0c 24 48 89 54 24 08 48 89 44 24 [ 253.822891] RSP: 002b:00007ffe387dfc70 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 [ 253.830602] RAX: 0000000000000000 RBX: 0000000000000005 RCX: 0000000000411211 [ 253.837955] RDX: 0000000000000000 RSI: 0000000000740b80 RDI: 0000000000000004 [ 253.845290] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 253.852674] R10: 00007ffe387dfba0 R11: 0000000000000293 R12: 0000000000000000 [ 253.859949] R13: 0000000000000001 R14: 0000000000000001 R15: 0000000000000005 [ 253.868078] [ 253.868078] Showing all locks held in the system: [ 253.874503] 1 lock held by khungtaskd/1057: [ 253.878814] #0: ffffffff885a4c40 (rcu_read_lock){....}, at: debug_show_all_locks+0x5b/0x275 [ 253.887552] 3 locks held by kworker/0:14/2576: [ 253.892133] #0: ffff8881da026d28 ((wq_completion)events){+.+.}, at: process_one_work+0x79e/0x1690 [ 253.901338] #1: ffff8881cf5efde8 ((work_completion)(&(&sw_ctx_tx->tx_work.work)->work)){+.+.}, at: process_one_work+0x7cf/0x1690 [ 253.913264] #2: ffff8881bcd628d0 (&ctx->tx_lock){+.+.}, at: tx_work_handler+0xf5/0x150 [ 253.921418] 3 locks held by kworker/0:15/2579: [ 253.926060] #0: ffff8881da026d28 ((wq_completion)events){+.+.}, at: process_one_work+0x79e/0x1690 [ 253.935227] #1: ffff8881cf707de8 ((work_completion)(&(&sw_ctx_tx->tx_work.work)->work)){+.+.}, at: process_one_work+0x7cf/0x1690 [ 253.947229] #2: ffff8881bdc134d0 (&ctx->tx_lock){+.+.}, at: tx_work_handler+0xf5/0x150 [ 253.955459] 3 locks held by kworker/0:16/2580: [ 253.960139] #0: ffff8881da026d28 ((wq_completion)events){+.+.}, at: process_one_work+0x79e/0x1690 [ 253.969474] #1: ffff8881cf70fde8 ((work_completion)(&(&sw_ctx_tx->tx_work.work)->work)){+.+.}, at: process_one_work+0x7cf/0x1690 [ 253.981390] #2: ffff8881bcfed8d0 (&ctx->tx_lock){+.+.}, at: tx_work_handler+0xf5/0x150 [ 253.989633] 3 locks held by kworker/1:116/2715: [ 253.994779] #0: ffff8881da026d28 ((wq_completion)events){+.+.}, at: process_one_work+0x79e/0x1690 [ 254.004015] #1: ffff8881ceb97de8 ((work_completion)(&(&sw_ctx_tx->tx_work.work)->work)){+.+.}, at: process_one_work+0x7cf/0x1690 [ 254.015900] #2: ffff8881b8e3a0d0 (&ctx->tx_lock){+.+.}, at: tx_work_handler+0xf5/0x150 [ 254.024135] 3 locks held by kworker/1:117/2717: [ 254.028831] #0: ffff8881da026d28 ((wq_completion)events){+.+.}, at: process_one_work+0x79e/0x1690 [ 254.038295] #1: ffff8881cebb7de8 ((work_completion)(&(&sw_ctx_tx->tx_work.work)->work)){+.+.}, at: process_one_work+0x7cf/0x1690 [ 254.050158] #2: ffff8881be17dcd0 (&ctx->tx_lock){+.+.}, at: tx_work_handler+0xf5/0x150 [ 254.058422] 3 locks held by kworker/1:118/2719: [ 254.063188] #0: ffff8881da026d28 ((wq_completion)events){+.+.}, at: process_one_work+0x79e/0x1690 [ 254.072346] #1: ffff8881cebc7de8 ((work_completion)(&(&sw_ctx_tx->tx_work.work)->work)){+.+.}, at: process_one_work+0x7cf/0x1690 [ 254.084368] #2: ffff8881cf77c4d0 (&ctx->tx_lock){+.+.}, at: tx_work_handler+0xf5/0x150 [ 254.092611] 1 lock held by rsyslogd/7229: [ 254.096741] #0: ffff8881cfa353e0 (&f->f_pos_lock){+.+.}, at: __fdget_pos+0xa3/0xc0 [ 254.104701] 2 locks held by getty/7319: [ 254.108701] #0: ffff8881cf1ec090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x2d/0x40 [ 254.117051] #1: ffffc90004c9c2e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x1ee/0x17d0 [ 254.126555] 2 locks held by getty/7320: [ 254.130533] #0: ffff8881d45b3090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x2d/0x40 [ 254.138845] #1: ffffc90004cb82e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x1ee/0x17d0 [ 254.147757] 2 locks held by getty/7321: [ 254.151712] #0: ffff8881d1ae5090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x2d/0x40 [ 254.160061] #1: ffffc90004c942e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x1ee/0x17d0 [ 254.169429] 2 locks held by getty/7322: [ 254.173570] #0: ffff8881c6602090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x2d/0x40 [ 254.181869] #1: ffffc90004cb42e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x1ee/0x17d0 [ 254.191817] 2 locks held by getty/7323: [ 254.195848] #0: ffff8881bae64090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x2d/0x40 [ 254.204230] #1: ffffc90004cbc2e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x1ee/0x17d0 [ 254.213140] 2 locks held by getty/7324: [ 254.217112] #0: ffff8881bba6e090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x2d/0x40 [ 254.225680] #1: ffffc90004cb02e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x1ee/0x17d0 [ 254.234591] 2 locks held by getty/7325: [ 254.238602] #0: ffff8881c5138090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x2d/0x40 [ 254.246925] #1: ffffc90004c842e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x1ee/0x17d0 [ 254.256373] 1 lock held by syz-executor1/9016: [ 254.260941] #0: ffff8881b47f3c00 (&sb->s_type->i_mutex_key#12){+.+.}, at: __sock_release+0x7d/0x280 [ 254.270359] 1 lock held by syz-executor4/9058: [ 254.274968] #0: ffff8881b401f780 (&sb->s_type->i_mutex_key#12){+.+.}, at: __sock_release+0x7d/0x280 [ 254.284349] 1 lock held by syz-executor2/9065: [ 254.288938] #0: ffff8881bdaf6280 (&sb->s_type->i_mutex_key#12){+.+.}, at: __sock_release+0x7d/0x280 [ 254.298294] 1 lock held by syz-executor3/9076: [ 254.302926] #0: ffff8881d5793700 (&sb->s_type->i_mutex_key#12){+.+.}, at: __sock_release+0x7d/0x280 [ 254.312204] 1 lock held by syz-executor0/9077: [ 254.316849] #0: ffff8881b450dc40 (&sb->s_type->i_mutex_key#12){+.+.}, at: __sock_release+0x7d/0x280 [ 254.326218] 1 lock held by syz-executor5/9087: [ 254.330778] #0: ffff8881c28a3c00 (&sb->s_type->i_mutex_key#12){+.+.}, at: __sock_release+0x7d/0x280 [ 254.340600] [ 254.342229] ============================================= [ 254.342229] [ 254.349401] NMI backtrace for cpu 0 [ 254.353071] CPU: 0 PID: 1057 Comm: khungtaskd Not tainted 5.6.0-rc1-syzkaller #0 [ 254.360606] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 254.369956] Call Trace: [ 254.372649] dump_stack+0x12d/0x187 [ 254.376282] nmi_cpu_backtrace.cold.7+0x4b/0x84 [ 254.381052] ? lapic_can_unplug_cpu.cold.29+0x3f/0x3f [ 254.386312] nmi_trigger_cpumask_backtrace+0x18b/0x1b7 [ 254.391629] arch_trigger_cpumask_backtrace+0x14/0x20 [ 254.396859] watchdog+0x611/0xc50 [ 254.400336] kthread+0x334/0x3f0 [ 254.403684] ? hungtask_pm_notify+0x40/0x40 [ 254.408007] ? kthread_mod_delayed_work+0x190/0x190 [ 254.413027] ret_from_fork+0x3a/0x50 [ 254.416852] Sending NMI from CPU 0 to CPUs 1: [ 254.421400] NMI backtrace for cpu 1 skipped: idling at native_safe_halt+0x12/0x20 [ 254.423069] Kernel panic - not syncing: hung_task: blocked tasks [ 254.435227] CPU: 0 PID: 1057 Comm: khungtaskd Not tainted 5.6.0-rc1-syzkaller #0 [ 254.442784] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 254.452122] Call Trace: [ 254.454699] dump_stack+0x12d/0x187 [ 254.458391] panic+0x22a/0x4f5 [ 254.461564] ? add_taint.cold.7+0x11/0x11 [ 254.465704] ? ___preempt_schedule+0x16/0x18 [ 254.470117] watchdog+0x622/0xc50 [ 254.473564] kthread+0x334/0x3f0 [ 254.476916] ? hungtask_pm_notify+0x40/0x40 [ 254.481227] ? kthread_mod_delayed_work+0x190/0x190 [ 254.486260] ret_from_fork+0x3a/0x50 [ 254.491610] Kernel Offset: disabled [ 254.495279] Rebooting in 86400 seconds..