Warning: Permanently added '10.128.1.30' (ECDSA) to the list of known hosts. 2020/03/17 03:28:45 parsed 1 programs 2020/03/17 03:28:46 executed programs: 0 [ 82.130998] IPVS: ftp: loaded support on port[0] = 21 [ 82.236973] IPVS: ftp: loaded support on port[0] = 21 [ 82.244055] IPVS: ftp: loaded support on port[0] = 21 [ 82.256269] IPVS: ftp: loaded support on port[0] = 21 [ 82.319417] IPVS: ftp: loaded support on port[0] = 21 [ 82.408006] IPVS: ftp: loaded support on port[0] = 21 [ 83.132086] bridge0: port 1(bridge_slave_0) entered blocking state [ 83.139134] bridge0: port 1(bridge_slave_0) entered disabled state [ 83.147320] device bridge_slave_0 entered promiscuous mode [ 83.156619] bridge0: port 1(bridge_slave_0) entered blocking state [ 83.163831] bridge0: port 1(bridge_slave_0) entered disabled state [ 83.170970] device bridge_slave_0 entered promiscuous mode [ 83.179222] bridge0: port 1(bridge_slave_0) entered blocking state [ 83.186809] bridge0: port 1(bridge_slave_0) entered disabled state [ 83.193987] device bridge_slave_0 entered promiscuous mode [ 83.220843] bridge0: port 2(bridge_slave_1) entered blocking state [ 83.230531] bridge0: port 2(bridge_slave_1) entered disabled state [ 83.238356] device bridge_slave_1 entered promiscuous mode [ 83.255969] bridge0: port 2(bridge_slave_1) entered blocking state [ 83.264825] bridge0: port 2(bridge_slave_1) entered disabled state [ 83.274893] device bridge_slave_1 entered promiscuous mode [ 83.281417] bridge0: port 2(bridge_slave_1) entered blocking state [ 83.288012] bridge0: port 2(bridge_slave_1) entered disabled state [ 83.295103] device bridge_slave_1 entered promiscuous mode [ 83.309877] bridge0: port 1(bridge_slave_0) entered blocking state [ 83.320491] bridge0: port 1(bridge_slave_0) entered disabled state [ 83.332154] device bridge_slave_0 entered promiscuous mode [ 83.370634] bridge0: port 2(bridge_slave_1) entered blocking state [ 83.384029] bridge0: port 2(bridge_slave_1) entered disabled state [ 83.391207] device bridge_slave_1 entered promiscuous mode [ 83.411402] bridge0: port 1(bridge_slave_0) entered blocking state [ 83.418739] bridge0: port 1(bridge_slave_0) entered disabled state [ 83.430838] device bridge_slave_0 entered promiscuous mode [ 83.446425] bridge0: port 1(bridge_slave_0) entered blocking state [ 83.453390] bridge0: port 1(bridge_slave_0) entered disabled state [ 83.460545] device bridge_slave_0 entered promiscuous mode [ 83.477450] bridge0: port 2(bridge_slave_1) entered blocking state [ 83.485598] bridge0: port 2(bridge_slave_1) entered disabled state [ 83.493577] device bridge_slave_1 entered promiscuous mode [ 83.528300] bridge0: port 2(bridge_slave_1) entered blocking state [ 83.537256] bridge0: port 2(bridge_slave_1) entered disabled state [ 83.544552] device bridge_slave_1 entered promiscuous mode [ 83.564744] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 83.592669] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 83.630037] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 83.653773] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 83.693256] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 83.720655] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 83.764978] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 83.790881] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 83.809062] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 83.834186] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 83.861190] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 83.885263] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 83.897218] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 83.918077] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 83.951926] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 83.974185] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 83.982506] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 83.990345] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 84.007392] team0: Port device team_slave_0 added [ 84.032616] team0: Port device team_slave_0 added [ 84.038983] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 84.052875] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 84.070923] team0: Port device team_slave_1 added [ 84.083469] team0: Port device team_slave_1 added [ 84.140939] team0: Port device team_slave_0 added [ 84.154536] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 84.169475] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 84.193088] team0: Port device team_slave_0 added [ 84.205465] team0: Port device team_slave_0 added [ 84.231496] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 84.246642] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 84.256880] team0: Port device team_slave_1 added [ 84.265351] team0: Port device team_slave_1 added [ 84.275768] team0: Port device team_slave_1 added [ 84.283606] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 84.291462] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 84.314120] team0: Port device team_slave_0 added [ 84.325982] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 84.338699] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 84.360260] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 84.377419] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 84.395202] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 84.402999] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 84.410801] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 84.418725] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 84.426444] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 84.436265] team0: Port device team_slave_1 added [ 84.452232] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 84.466262] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 84.478700] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 84.497123] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 84.512970] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 84.531789] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 84.541903] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 84.561170] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 84.569399] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 84.577239] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 84.589534] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 84.598681] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 84.615213] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 84.627750] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 84.640453] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 84.669587] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 84.680714] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 84.705413] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 84.714987] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 84.759110] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 84.773890] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 85.068508] bridge0: port 2(bridge_slave_1) entered blocking state [ 85.075211] bridge0: port 2(bridge_slave_1) entered forwarding state [ 85.082561] bridge0: port 1(bridge_slave_0) entered blocking state [ 85.088959] bridge0: port 1(bridge_slave_0) entered forwarding state [ 85.117020] bridge0: port 2(bridge_slave_1) entered blocking state [ 85.123543] bridge0: port 2(bridge_slave_1) entered forwarding state [ 85.130175] bridge0: port 1(bridge_slave_0) entered blocking state [ 85.136596] bridge0: port 1(bridge_slave_0) entered forwarding state [ 85.156129] bridge0: port 2(bridge_slave_1) entered blocking state [ 85.162533] bridge0: port 2(bridge_slave_1) entered forwarding state [ 85.169218] bridge0: port 1(bridge_slave_0) entered blocking state [ 85.175623] bridge0: port 1(bridge_slave_0) entered forwarding state [ 85.281453] bridge0: port 2(bridge_slave_1) entered blocking state [ 85.287881] bridge0: port 2(bridge_slave_1) entered forwarding state [ 85.294561] bridge0: port 1(bridge_slave_0) entered blocking state [ 85.300917] bridge0: port 1(bridge_slave_0) entered forwarding state [ 85.309695] bridge0: port 2(bridge_slave_1) entered blocking state [ 85.316086] bridge0: port 2(bridge_slave_1) entered forwarding state [ 85.322866] bridge0: port 1(bridge_slave_0) entered blocking state [ 85.329207] bridge0: port 1(bridge_slave_0) entered forwarding state [ 85.350918] bridge0: port 2(bridge_slave_1) entered blocking state [ 85.358305] bridge0: port 2(bridge_slave_1) entered forwarding state [ 85.365660] bridge0: port 1(bridge_slave_0) entered blocking state [ 85.372041] bridge0: port 1(bridge_slave_0) entered forwarding state [ 85.862097] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 85.877441] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 85.886803] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 85.895574] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 85.902882] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 85.909968] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 87.237189] 8021q: adding VLAN 0 to HW filter on device bond0 [ 87.277050] 8021q: adding VLAN 0 to HW filter on device bond0 [ 87.299660] 8021q: adding VLAN 0 to HW filter on device bond0 [ 87.310193] 8021q: adding VLAN 0 to HW filter on device bond0 [ 87.323462] 8021q: adding VLAN 0 to HW filter on device bond0 [ 87.339729] 8021q: adding VLAN 0 to HW filter on device bond0 [ 87.573612] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 87.581388] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 87.660730] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 87.669675] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 87.698336] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 87.710327] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 87.739934] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 87.749335] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 87.761584] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 87.769010] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 87.791373] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 87.802203] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 87.823000] 8021q: adding VLAN 0 to HW filter on device team0 [ 87.880180] 8021q: adding VLAN 0 to HW filter on device team0 [ 87.916365] 8021q: adding VLAN 0 to HW filter on device team0 [ 87.932578] 8021q: adding VLAN 0 to HW filter on device team0 [ 87.974534] 8021q: adding VLAN 0 to HW filter on device team0 [ 87.984204] 8021q: adding VLAN 0 to HW filter on device team0 [ 88.963008] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 88.963925] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 89.033972] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 89.238957] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 89.295166] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 89.340091] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 2020/03/17 03:28:54 executed programs: 6 [ 89.819175] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 89.834467] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 252.181816] INFO: task syz-executor5:9026 blocked for more than 143 seconds. [ 252.189112] Not tainted 5.6.0-rc6-syzkaller #0 [ 252.194992] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 252.203019] syz-executor5 D28048 9026 7448 0x00000004 [ 252.208645] Call Trace: [ 252.211295] __schedule+0x856/0x1910 [ 252.215056] ? __sched_text_start+0x8/0x8 [ 252.219261] ? __lock_acquire+0x2cd5/0x4ef0 [ 252.223864] schedule+0xc3/0x2b0 [ 252.227237] schedule_timeout+0x5c4/0xad0 [ 252.231428] ? __kasan_check_read+0x11/0x20 [ 252.235801] ? mark_lock+0xc5/0x11d0 [ 252.239609] ? usleep_range+0x130/0x130 [ 252.243614] ? mark_held_locks+0xb8/0x130 [ 252.247751] ? do_raw_spin_lock+0x132/0x2e0 [ 252.252138] ? _raw_spin_unlock_irq+0x22/0x80 [ 252.256643] ? wait_for_completion+0x283/0x460 [ 252.261222] ? lockdep_hardirqs_on+0x42d/0x5d0 [ 252.265877] ? _raw_spin_unlock_irq+0x22/0x80 [ 252.270474] ? trace_hardirqs_on+0x28/0x1b0 [ 252.274877] wait_for_completion+0x28b/0x460 [ 252.279297] ? wait_for_completion_interruptible+0x4b0/0x4b0 [ 252.285200] ? wake_up_q+0x120/0x120 [ 252.288911] ? __kasan_check_read+0x11/0x20 [ 252.293311] __flush_work+0x3ee/0x8b0 [ 252.297117] ? max_active_store+0x100/0x100 [ 252.301459] ? init_pwq+0x330/0x330 [ 252.305145] ? __cancel_work_timer+0x159/0x440 [ 252.309744] ? trace_hardirqs_on+0x28/0x1b0 [ 252.314268] __cancel_work_timer+0x308/0x440 [ 252.318689] ? mod_delayed_work_on+0x1a0/0x1a0 [ 252.324371] ? mark_held_locks+0x130/0x130 [ 252.328623] cancel_delayed_work_sync+0xe/0x10 [ 252.333326] tls_sw_cancel_work_tx+0x63/0x70 [ 252.337821] tls_sk_proto_close+0x400/0x9a0 [ 252.342235] ? __sock_release+0x7d/0x280 [ 252.346296] ? wait_on_pending_writer+0x3b0/0x3b0 [ 252.351399] ? __kasan_check_write+0x14/0x20 [ 252.355854] ? down_write+0xdc/0x150 [ 252.359772] inet_release+0xc6/0x1c0 [ 252.363596] inet6_release+0x46/0x60 [ 252.367486] __sock_release+0xc7/0x280 [ 252.371443] sock_close+0x13/0x20 [ 252.375008] __fput+0x25d/0x780 [ 252.378414] ? _raw_spin_unlock_irq+0x22/0x80 [ 252.383046] ____fput+0x9/0x10 [ 252.386239] task_work_run+0x10e/0x190 [ 252.390328] exit_to_usermode_loop+0x1be/0x210 [ 252.395070] do_syscall_64+0x53d/0x630 [ 252.399020] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 252.404276] RIP: 0033:0x411211 [ 252.407466] 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 [ 252.426531] RSP: 002b:00007fff193256e0 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 [ 252.434266] RAX: 0000000000000000 RBX: 0000000000000005 RCX: 0000000000411211 [ 252.441519] RDX: 0000000000000000 RSI: 0000000000740b80 RDI: 0000000000000004 [ 252.448817] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 252.456541] R10: 00007fff19325610 R11: 0000000000000293 R12: 0000000000000000 [ 252.463834] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000005 [ 252.471127] INFO: task syz-executor0:9074 blocked for more than 143 seconds. [ 252.478353] Not tainted 5.6.0-rc6-syzkaller #0 [ 252.483472] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 252.491427] syz-executor0 D28048 9074 7430 0x00000004 [ 252.497106] Call Trace: [ 252.499818] __schedule+0x856/0x1910 [ 252.503602] ? __sched_text_start+0x8/0x8 [ 252.507838] ? __lock_acquire+0x100f/0x4ef0 [ 252.512212] schedule+0xc3/0x2b0 [ 252.515737] schedule_timeout+0x5c4/0xad0 [ 252.519874] ? __kasan_check_read+0x11/0x20 [ 252.525370] ? mark_lock+0xc5/0x11d0 [ 252.529282] ? usleep_range+0x130/0x130 [ 252.533321] ? mark_held_locks+0xb8/0x130 [ 252.537463] ? do_raw_spin_lock+0x132/0x2e0 [ 252.541841] ? _raw_spin_unlock_irq+0x22/0x80 [ 252.546341] ? wait_for_completion+0x283/0x460 [ 252.550906] ? lockdep_hardirqs_on+0x42d/0x5d0 [ 252.555617] ? _raw_spin_unlock_irq+0x22/0x80 [ 252.560194] ? trace_hardirqs_on+0x28/0x1b0 [ 252.564574] wait_for_completion+0x28b/0x460 [ 252.568988] ? wait_for_completion_interruptible+0x4b0/0x4b0 [ 252.575034] ? wake_up_q+0x120/0x120 [ 252.578769] ? __kasan_check_read+0x11/0x20 [ 252.583661] __flush_work+0x3ee/0x8b0 [ 252.587559] ? max_active_store+0x100/0x100 [ 252.591956] ? init_pwq+0x330/0x330 [ 252.595729] ? __cancel_work_timer+0x159/0x440 [ 252.600298] ? trace_hardirqs_on+0x28/0x1b0 [ 252.604673] __cancel_work_timer+0x308/0x440 [ 252.609079] ? mod_delayed_work_on+0x1a0/0x1a0 [ 252.614341] ? mark_held_locks+0x130/0x130 [ 252.618589] cancel_delayed_work_sync+0xe/0x10 [ 252.623212] tls_sw_cancel_work_tx+0x63/0x70 [ 252.627614] tls_sk_proto_close+0x400/0x9a0 [ 252.632049] ? __sock_release+0x7d/0x280 [ 252.636171] ? wait_on_pending_writer+0x3b0/0x3b0 [ 252.641118] ? __kasan_check_write+0x14/0x20 [ 252.645572] ? down_write+0xdc/0x150 [ 252.649290] inet_release+0xc6/0x1c0 [ 252.653357] inet6_release+0x46/0x60 [ 252.657097] __sock_release+0xc7/0x280 [ 252.661072] sock_close+0x13/0x20 [ 252.664647] __fput+0x25d/0x780 [ 252.667929] ? _raw_spin_unlock_irq+0x22/0x80 [ 252.672490] ____fput+0x9/0x10 [ 252.675678] task_work_run+0x10e/0x190 [ 252.679642] exit_to_usermode_loop+0x1be/0x210 [ 252.684283] do_syscall_64+0x53d/0x630 [ 252.688169] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 252.693385] RIP: 0033:0x411211 [ 252.696580] 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 [ 252.717302] RSP: 002b:00007ffc2b0e6820 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 [ 252.725370] RAX: 0000000000000000 RBX: 0000000000000005 RCX: 0000000000411211 [ 252.732681] RDX: 0000000000000000 RSI: 0000000000740b80 RDI: 0000000000000004 [ 252.739935] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 252.747693] R10: 00007ffc2b0e6750 R11: 0000000000000293 R12: 0000000000000000 [ 252.755010] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000000 [ 252.762346] INFO: task syz-executor2:9077 blocked for more than 143 seconds. [ 252.769523] Not tainted 5.6.0-rc6-syzkaller #0 [ 252.774668] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 252.782740] syz-executor2 D28048 9077 7449 0x00000004 [ 252.788352] Call Trace: [ 252.790934] __schedule+0x856/0x1910 [ 252.794687] ? __sched_text_start+0x8/0x8 [ 252.798848] ? __lock_acquire+0x100f/0x4ef0 [ 252.803230] schedule+0xc3/0x2b0 [ 252.807110] schedule_timeout+0x5c4/0xad0 [ 252.811254] ? __kasan_check_read+0x11/0x20 [ 252.815662] ? mark_lock+0xc5/0x11d0 [ 252.819376] ? usleep_range+0x130/0x130 [ 252.823458] ? mark_held_locks+0xb8/0x130 [ 252.827667] ? do_raw_spin_lock+0x132/0x2e0 [ 252.832052] ? _raw_spin_unlock_irq+0x22/0x80 [ 252.836601] ? wait_for_completion+0x283/0x460 [ 252.841172] ? lockdep_hardirqs_on+0x42d/0x5d0 [ 252.846460] ? _raw_spin_unlock_irq+0x22/0x80 [ 252.850963] ? trace_hardirqs_on+0x28/0x1b0 [ 252.855346] wait_for_completion+0x28b/0x460 [ 252.859767] ? wait_for_completion_interruptible+0x4b0/0x4b0 [ 252.865621] ? wake_up_q+0x120/0x120 [ 252.869333] ? __kasan_check_read+0x11/0x20 [ 252.873761] __flush_work+0x3ee/0x8b0 [ 252.877724] ? max_active_store+0x100/0x100 [ 252.882231] ? init_pwq+0x330/0x330 [ 252.885958] ? __cancel_work_timer+0x159/0x440 [ 252.890539] ? trace_hardirqs_on+0x28/0x1b0 [ 252.894908] __cancel_work_timer+0x308/0x440 [ 252.899335] ? mod_delayed_work_on+0x1a0/0x1a0 [ 252.903992] ? mark_held_locks+0x130/0x130 [ 252.908235] cancel_delayed_work_sync+0xe/0x10 [ 252.912951] tls_sw_cancel_work_tx+0x63/0x70 [ 252.917356] tls_sk_proto_close+0x400/0x9a0 [ 252.922843] ? __sock_release+0x7d/0x280 [ 252.926915] ? wait_on_pending_writer+0x3b0/0x3b0 [ 252.931836] ? __kasan_check_write+0x14/0x20 [ 252.936244] ? down_write+0xdc/0x150 [ 252.939959] inet_release+0xc6/0x1c0 [ 252.943719] inet6_release+0x46/0x60 [ 252.947456] __sock_release+0xc7/0x280 [ 252.951326] sock_close+0x13/0x20 [ 252.954821] __fput+0x25d/0x780 [ 252.958096] ? _raw_spin_unlock_irq+0x22/0x80 [ 252.962626] ____fput+0x9/0x10 [ 252.965827] task_work_run+0x10e/0x190 [ 252.969700] exit_to_usermode_loop+0x1be/0x210 [ 252.974821] do_syscall_64+0x53d/0x630 [ 252.978704] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 252.984006] RIP: 0033:0x411211 [ 252.987213] 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 [ 253.006187] RSP: 002b:00007fffcb5cdd40 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 [ 253.014048] RAX: 0000000000000000 RBX: 0000000000000005 RCX: 0000000000411211 [ 253.021350] RDX: 0000000000000000 RSI: 0000000000740b80 RDI: 0000000000000004 [ 253.028668] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 253.036052] R10: 00007fffcb5cdc70 R11: 0000000000000293 R12: 0000000000000000 [ 253.043942] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000002 [ 253.051407] INFO: task syz-executor4:9081 blocked for more than 144 seconds. [ 253.058734] Not tainted 5.6.0-rc6-syzkaller #0 [ 253.063877] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 253.072120] syz-executor4 D27512 9081 7427 0x00000004 [ 253.077756] Call Trace: [ 253.080463] __schedule+0x856/0x1910 [ 253.084254] ? __sched_text_start+0x8/0x8 [ 253.088425] ? __lock_acquire+0x100f/0x4ef0 [ 253.092791] schedule+0xc3/0x2b0 [ 253.096157] schedule_timeout+0x5c4/0xad0 [ 253.100315] ? __kasan_check_read+0x11/0x20 [ 253.105234] ? mark_lock+0xc5/0x11d0 [ 253.108986] ? usleep_range+0x130/0x130 [ 253.113013] ? mark_held_locks+0xb8/0x130 [ 253.117166] ? do_raw_spin_lock+0x132/0x2e0 [ 253.121475] ? _raw_spin_unlock_irq+0x22/0x80 [ 253.126026] ? wait_for_completion+0x283/0x460 [ 253.130624] ? lockdep_hardirqs_on+0x42d/0x5d0 [ 253.135398] ? _raw_spin_unlock_irq+0x22/0x80 [ 253.139998] ? trace_hardirqs_on+0x28/0x1b0 [ 253.144462] wait_for_completion+0x28b/0x460 [ 253.148894] ? wait_for_completion_interruptible+0x4b0/0x4b0 [ 253.154751] ? wake_up_q+0x120/0x120 [ 253.158495] ? __kasan_check_read+0x11/0x20 [ 253.162887] __flush_work+0x3ee/0x8b0 [ 253.166732] ? max_active_store+0x100/0x100 [ 253.171039] ? init_pwq+0x330/0x330 [ 253.174916] ? __cancel_work_timer+0x159/0x440 [ 253.180367] ? trace_hardirqs_on+0x28/0x1b0 [ 253.184761] __cancel_work_timer+0x308/0x440 [ 253.189300] ? mod_delayed_work_on+0x1a0/0x1a0 [ 253.193955] ? mark_held_locks+0x130/0x130 [ 253.198205] cancel_delayed_work_sync+0xe/0x10 [ 253.202905] tls_sw_cancel_work_tx+0x63/0x70 [ 253.207307] tls_sk_proto_close+0x400/0x9a0 [ 253.211681] ? __sock_release+0x7d/0x280 [ 253.215746] ? wait_on_pending_writer+0x3b0/0x3b0 [ 253.220572] ? __kasan_check_write+0x14/0x20 [ 253.225106] ? down_write+0xdc/0x150 [ 253.228917] inet_release+0xc6/0x1c0 [ 253.233151] inet6_release+0x46/0x60 [ 253.236856] __sock_release+0xc7/0x280 [ 253.240724] sock_close+0x13/0x20 [ 253.244208] __fput+0x25d/0x780 [ 253.247573] ? _raw_spin_unlock_irq+0x22/0x80 [ 253.253314] ____fput+0x9/0x10 [ 253.256549] task_work_run+0x10e/0x190 [ 253.260453] exit_to_usermode_loop+0x1be/0x210 [ 253.265096] do_syscall_64+0x53d/0x630 [ 253.268982] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 253.274251] RIP: 0033:0x411211 [ 253.277480] 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 [ 253.298200] RSP: 002b:00007ffc7d072b60 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 [ 253.306238] RAX: 0000000000000000 RBX: 0000000000000005 RCX: 0000000000411211 [ 253.313557] RDX: 0000000000000000 RSI: 0000000000740b80 RDI: 0000000000000004 [ 253.320838] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 253.328191] R10: 00007ffc7d072a90 R11: 0000000000000293 R12: 0000000000000000 [ 253.335565] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000004 [ 253.342909] INFO: task syz-executor3:9093 blocked for more than 144 seconds. [ 253.350948] Not tainted 5.6.0-rc6-syzkaller #0 [ 253.356097] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 253.364504] syz-executor3 D28048 9093 7436 0x00000004 [ 253.370117] Call Trace: [ 253.372760] __schedule+0x856/0x1910 [ 253.376584] ? __sched_text_start+0x8/0x8 [ 253.380718] ? __lock_acquire+0x100f/0x4ef0 [ 253.385120] schedule+0xc3/0x2b0 [ 253.388494] schedule_timeout+0x5c4/0xad0 [ 253.392711] ? __kasan_check_read+0x11/0x20 [ 253.397140] ? mark_lock+0xc5/0x11d0 [ 253.402834] ? usleep_range+0x130/0x130 [ 253.406812] ? mark_held_locks+0xb8/0x130 [ 253.410944] ? do_raw_spin_lock+0x132/0x2e0 [ 253.415332] ? _raw_spin_unlock_irq+0x22/0x80 [ 253.421054] ? wait_for_completion+0x283/0x460 [ 253.425726] ? lockdep_hardirqs_on+0x42d/0x5d0 [ 253.430307] ? _raw_spin_unlock_irq+0x22/0x80 [ 253.434879] ? trace_hardirqs_on+0x28/0x1b0 [ 253.439399] wait_for_completion+0x28b/0x460 [ 253.443986] ? wait_for_completion_interruptible+0x4b0/0x4b0 [ 253.449805] ? wake_up_q+0x120/0x120 [ 253.453565] ? __kasan_check_read+0x11/0x20 [ 253.457887] __flush_work+0x3ee/0x8b0 [ 253.461750] ? max_active_store+0x100/0x100 [ 253.466126] ? init_pwq+0x330/0x330 [ 253.469832] ? __cancel_work_timer+0x159/0x440 [ 253.474568] ? trace_hardirqs_on+0x28/0x1b0 [ 253.478899] __cancel_work_timer+0x308/0x440 [ 253.483432] ? mod_delayed_work_on+0x1a0/0x1a0 [ 253.488130] ? mark_held_locks+0x130/0x130 [ 253.492942] cancel_delayed_work_sync+0xe/0x10 [ 253.497623] tls_sw_cancel_work_tx+0x63/0x70 [ 253.502142] tls_sk_proto_close+0x400/0x9a0 [ 253.506463] ? __sock_release+0x7d/0x280 [ 253.510617] ? wait_on_pending_writer+0x3b0/0x3b0 [ 253.515635] ? __kasan_check_write+0x14/0x20 [ 253.520044] ? down_write+0xdc/0x150 [ 253.523837] inet_release+0xc6/0x1c0 [ 253.527578] inet6_release+0x46/0x60 [ 253.531279] __sock_release+0xc7/0x280 [ 253.535213] sock_close+0x13/0x20 [ 253.538680] __fput+0x25d/0x780 [ 253.542496] ? _raw_spin_unlock_irq+0x22/0x80 [ 253.547026] ____fput+0x9/0x10 [ 253.550229] task_work_run+0x10e/0x190 [ 253.554179] exit_to_usermode_loop+0x1be/0x210 [ 253.558787] do_syscall_64+0x53d/0x630 [ 253.562735] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 253.567972] RIP: 0033:0x411211 [ 253.573926] 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 [ 253.593230] RSP: 002b:00007ffc71068080 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 [ 253.601938] RAX: 0000000000000000 RBX: 0000000000000005 RCX: 0000000000411211 [ 253.609205] RDX: 0000000000000000 RSI: 0000000000740b80 RDI: 0000000000000004 [ 253.616507] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 253.624244] R10: 00007ffc71067fb0 R11: 0000000000000293 R12: 0000000000000000 [ 253.631665] R13: 0000000000000001 R14: 0000000000000001 R15: 0000000000000003 [ 253.639047] INFO: task syz-executor1:9095 blocked for more than 144 seconds. [ 253.646275] Not tainted 5.6.0-rc6-syzkaller #0 [ 253.651378] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 253.659427] syz-executor1 D28048 9095 7431 0x00004004 [ 253.665089] Call Trace: [ 253.667666] __schedule+0x856/0x1910 [ 253.671477] ? __sched_text_start+0x8/0x8 [ 253.675681] ? __lock_acquire+0x100f/0x4ef0 [ 253.680186] ? __lock_acquire+0x100f/0x4ef0 [ 253.684608] schedule+0xc3/0x2b0 [ 253.687988] schedule_timeout+0x5c4/0xad0 [ 253.692181] ? __kasan_check_read+0x11/0x20 [ 253.696499] ? mark_lock+0xc5/0x11d0 [ 253.700199] ? usleep_range+0x130/0x130 [ 253.704300] ? mark_held_locks+0xb8/0x130 [ 253.708456] ? do_raw_spin_lock+0x132/0x2e0 [ 253.712817] ? _raw_spin_unlock_irq+0x22/0x80 [ 253.717323] ? wait_for_completion+0x283/0x460 [ 253.722042] ? lockdep_hardirqs_on+0x42d/0x5d0 [ 253.726617] ? _raw_spin_unlock_irq+0x22/0x80 [ 253.731112] ? trace_hardirqs_on+0x28/0x1b0 [ 253.735486] wait_for_completion+0x28b/0x460 [ 253.739909] ? wait_for_completion_interruptible+0x4b0/0x4b0 [ 253.745913] ? wake_up_q+0x120/0x120 [ 253.749705] ? __rcu_read_unlock+0x279/0x700 [ 253.754670] __flush_work+0x3ee/0x8b0 [ 253.758745] ? max_active_store+0x100/0x100 [ 253.763206] ? init_pwq+0x330/0x330 [ 253.766855] ? __cancel_work_timer+0x159/0x440 [ 253.771420] ? trace_hardirqs_on+0x28/0x1b0 [ 253.775799] __cancel_work_timer+0x308/0x440 [ 253.780205] ? mod_delayed_work_on+0x1a0/0x1a0 [ 253.784836] ? mark_held_locks+0x130/0x130 [ 253.789503] cancel_delayed_work_sync+0xe/0x10 [ 253.794124] tls_sw_cancel_work_tx+0x63/0x70 [ 253.798541] tls_sk_proto_close+0x400/0x9a0 [ 253.802903] ? __sock_release+0x7d/0x280 [ 253.807118] ? wait_on_pending_writer+0x3b0/0x3b0 [ 253.812458] ? __kasan_check_write+0x14/0x20 [ 253.816968] ? down_write+0xdc/0x150 [ 253.820672] inet_release+0xc6/0x1c0 [ 253.824433] inet6_release+0x46/0x60 [ 253.828160] __sock_release+0xc7/0x280 [ 253.832081] sock_close+0x13/0x20 [ 253.835819] __fput+0x25d/0x780 [ 253.839533] ? _raw_spin_unlock_irq+0x22/0x80 [ 253.844100] ____fput+0x9/0x10 [ 253.847548] task_work_run+0x10e/0x190 [ 253.851418] exit_to_usermode_loop+0x1be/0x210 [ 253.856129] do_syscall_64+0x53d/0x630 [ 253.860037] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 253.865341] RIP: 0033:0x411211 [ 253.868971] 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 [ 253.888511] RSP: 002b:00007ffe9480a310 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 [ 253.896587] RAX: 0000000000000000 RBX: 0000000000000005 RCX: 0000000000411211 [ 253.903919] RDX: 0000000000000000 RSI: 0000000000740b80 RDI: 0000000000000004 [ 253.911183] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 253.918528] R10: 00007ffe9480a240 R11: 0000000000000293 R12: 0000000000000000 [ 253.925840] R13: 0000000000000001 R14: 0000000000000001 R15: 0000000000000001 [ 253.933899] [ 253.933899] Showing all locks held in the system: [ 253.940226] 1 lock held by khungtaskd/1027: [ 253.944596] #0: ffffffff885a4a80 (rcu_read_lock){....}, at: debug_show_all_locks+0x5b/0x275 [ 253.953250] 3 locks held by kworker/1:42/2680: [ 253.957924] #0: ffff8881da026d28 ((wq_completion)events){+.+.}, at: process_one_work+0x79e/0x1690 [ 253.969770] #1: ffff8881cee9fde8 ((work_completion)(&(&sw_ctx_tx->tx_work.work)->work)){+.+.}, at: process_one_work+0x7cf/0x1690 [ 253.981624] #2: ffff8881b7015cd0 (&ctx->tx_lock){+.+.}, at: tx_work_handler+0xf5/0x150 [ 253.989791] 3 locks held by kworker/1:43/2705: [ 253.994436] #0: ffff8881da026d28 ((wq_completion)events){+.+.}, at: process_one_work+0x79e/0x1690 [ 254.003557] #1: ffff8881cef9fde8 ((work_completion)(&(&sw_ctx_tx->tx_work.work)->work)){+.+.}, at: process_one_work+0x7cf/0x1690 [ 254.015975] #2: ffff8881bed440d0 (&ctx->tx_lock){+.+.}, at: tx_work_handler+0xf5/0x150 [ 254.024245] 3 locks held by kworker/0:36/2858: [ 254.028820] #0: ffff8881da026d28 ((wq_completion)events){+.+.}, at: process_one_work+0x79e/0x1690 [ 254.037961] #1: ffff8881ce30fde8 ((work_completion)(&(&sw_ctx_tx->tx_work.work)->work)){+.+.}, at: process_one_work+0x7cf/0x1690 [ 254.049801] #2: ffff8881c29f70d0 (&ctx->tx_lock){+.+.}, at: tx_work_handler+0xf5/0x150 [ 254.057996] 3 locks held by kworker/1:79/2864: [ 254.062594] #0: ffff8881da026d28 ((wq_completion)events){+.+.}, at: process_one_work+0x79e/0x1690 [ 254.071741] #1: ffff8881ce33fde8 ((work_completion)(&(&sw_ctx_tx->tx_work.work)->work)){+.+.}, at: process_one_work+0x7cf/0x1690 [ 254.083838] #2: ffff8881bf6050d0 (&ctx->tx_lock){+.+.}, at: tx_work_handler+0xf5/0x150 [ 254.092021] 3 locks held by kworker/0:38/2872: [ 254.096588] #0: ffff8881da026d28 ((wq_completion)events){+.+.}, at: process_one_work+0x79e/0x1690 [ 254.105817] #1: ffff8881ce36fde8 ((work_completion)(&(&sw_ctx_tx->tx_work.work)->work)){+.+.}, at: process_one_work+0x7cf/0x1690 [ 254.117628] #2: ffff8881b70154d0 (&ctx->tx_lock){+.+.}, at: tx_work_handler+0xf5/0x150 [ 254.125808] 3 locks held by kworker/0:39/2881: [ 254.130377] #0: ffff8881da026d28 ((wq_completion)events){+.+.}, at: process_one_work+0x79e/0x1690 [ 254.139514] #1: ffff8881ce3b7de8 ((work_completion)(&(&sw_ctx_tx->tx_work.work)->work)){+.+.}, at: process_one_work+0x7cf/0x1690 [ 254.151916] #2: ffff8881c69c64d0 (&ctx->tx_lock){+.+.}, at: tx_work_handler+0xf5/0x150 [ 254.160862] 1 lock held by rsyslogd/7224: [ 254.169671] 2 locks held by getty/7314: [ 254.174147] #0: ffff8881cfcd5090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x2d/0x40 [ 254.183233] #1: ffffc90004cb02e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x1ee/0x17d0 [ 254.192291] 2 locks held by getty/7315: [ 254.196245] #0: ffff8881d1482090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x2d/0x40 [ 254.204526] #1: ffffc90004cd62e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x1ee/0x17d0 [ 254.213402] 2 locks held by getty/7316: [ 254.217357] #0: ffff8881d1a2f090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x2d/0x40 [ 254.225641] #1: ffffc90004cb82e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x1ee/0x17d0 [ 254.234803] 2 locks held by getty/7317: [ 254.238775] #0: ffff8881b7287090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x2d/0x40 [ 254.247067] #1: ffffc90004ccc2e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x1ee/0x17d0 [ 254.255967] 2 locks held by getty/7318: [ 254.259930] #0: ffff8881ce96d090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x2d/0x40 [ 254.268252] #1: ffffc90004cc82e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x1ee/0x17d0 [ 254.277134] 2 locks held by getty/7319: [ 254.281092] #0: ffff8881b6d09090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x2d/0x40 [ 254.289894] #1: ffffc90004cc02e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x1ee/0x17d0 [ 254.298807] 2 locks held by getty/7320: [ 254.302792] #0: ffff8881c50e5090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x2d/0x40 [ 254.312892] #1: ffffc90004ca42e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x1ee/0x17d0 [ 254.322664] 1 lock held by syz-executor5/9026: [ 254.327241] #0: ffff8881c23ad280 (&sb->s_type->i_mutex_key#12){+.+.}, at: __sock_release+0x7d/0x280 [ 254.336825] 1 lock held by syz-executor0/9074: [ 254.341396] #0: ffff8881bd33e780 (&sb->s_type->i_mutex_key#12){+.+.}, at: __sock_release+0x7d/0x280 [ 254.351953] 1 lock held by syz-executor2/9077: [ 254.356539] #0: ffff8881c201d740 (&sb->s_type->i_mutex_key#12){+.+.}, at: __sock_release+0x7d/0x280 [ 254.365898] 1 lock held by syz-executor4/9081: [ 254.370849] #0: ffff8881b455dc00 (&sb->s_type->i_mutex_key#12){+.+.}, at: __sock_release+0x7d/0x280 [ 254.380174] 1 lock held by syz-executor3/9093: [ 254.384791] #0: ffff8881d57c0700 (&sb->s_type->i_mutex_key#12){+.+.}, at: __sock_release+0x7d/0x280 [ 254.394107] 1 lock held by syz-executor1/9095: [ 254.398692] #0: ffff8881d57cd200 (&sb->s_type->i_mutex_key#12){+.+.}, at: __sock_release+0x7d/0x280 [ 254.408790] [ 254.410413] ============================================= [ 254.410413] [ 254.418010] NMI backtrace for cpu 0 [ 254.421691] CPU: 0 PID: 1027 Comm: khungtaskd Not tainted 5.6.0-rc6-syzkaller #0 [ 254.429229] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 254.438575] Call Trace: [ 254.441236] dump_stack+0x12d/0x187 [ 254.444876] nmi_cpu_backtrace.cold.7+0x4b/0x84 [ 254.449582] ? lapic_can_unplug_cpu.cold.29+0x3f/0x3f [ 254.454761] nmi_trigger_cpumask_backtrace+0x18b/0x1b7 [ 254.460123] arch_trigger_cpumask_backtrace+0x14/0x20 [ 254.465472] watchdog+0x611/0xc50 [ 254.468947] kthread+0x334/0x3f0 [ 254.472314] ? hungtask_pm_notify+0x40/0x40 [ 254.476621] ? kthread_mod_delayed_work+0x190/0x190 [ 254.481705] ret_from_fork+0x3a/0x50 [ 254.485475] Sending NMI from CPU 0 to CPUs 1: [ 254.490027] NMI backtrace for cpu 1 skipped: idling at native_safe_halt+0x12/0x20 [ 254.490978] Kernel panic - not syncing: hung_task: blocked tasks [ 254.504920] CPU: 0 PID: 1027 Comm: khungtaskd Not tainted 5.6.0-rc6-syzkaller #0 [ 254.512954] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 254.522285] Call Trace: [ 254.524856] dump_stack+0x12d/0x187 [ 254.528535] panic+0x22a/0x4f5 [ 254.531728] ? add_taint.cold.7+0x11/0x11 [ 254.535859] ? cpumask_next+0x21/0x30 [ 254.539651] watchdog+0x622/0xc50 [ 254.543094] kthread+0x334/0x3f0 [ 254.546547] ? hungtask_pm_notify+0x40/0x40 [ 254.550847] ? kthread_mod_delayed_work+0x190/0x190 [ 254.555845] ret_from_fork+0x3a/0x50 [ 254.561694] Kernel Offset: disabled [ 254.565326] Rebooting in 86400 seconds..