[info] Using makefile-style concurrent boot in runlevel 2. [....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 45.019988] IPVS: ftp: loaded support on port[0] = 21 [ 77.904854] can: request_module (can-proto-0) failed. [ 77.915134] can: request_module (can-proto-0) failed. Warning: Permanently added '10.128.15.196' (ECDSA) to the list of known hosts. 2019/08/12 00:05:51 parsed 1 programs 2019/08/12 00:05:52 executed programs: 0 [ 88.320323] IPVS: ftp: loaded support on port[0] = 21 [ 88.330987] IPVS: ftp: loaded support on port[0] = 21 [ 88.350937] IPVS: ftp: loaded support on port[0] = 21 [ 88.361013] IPVS: ftp: loaded support on port[0] = 21 [ 88.414109] IPVS: ftp: loaded support on port[0] = 21 [ 88.484832] IPVS: ftp: loaded support on port[0] = 21 [ 89.335954] bridge0: port 1(bridge_slave_0) entered blocking state [ 89.344109] bridge0: port 1(bridge_slave_0) entered disabled state [ 89.352496] device bridge_slave_0 entered promiscuous mode [ 89.414386] bridge0: port 2(bridge_slave_1) entered blocking state [ 89.420797] bridge0: port 2(bridge_slave_1) entered disabled state [ 89.428734] device bridge_slave_1 entered promiscuous mode [ 89.438411] bridge0: port 1(bridge_slave_0) entered blocking state [ 89.445274] bridge0: port 1(bridge_slave_0) entered disabled state [ 89.453535] device bridge_slave_0 entered promiscuous mode [ 89.468904] bridge0: port 1(bridge_slave_0) entered blocking state [ 89.476753] bridge0: port 1(bridge_slave_0) entered disabled state [ 89.484576] device bridge_slave_0 entered promiscuous mode [ 89.493805] bridge0: port 1(bridge_slave_0) entered blocking state [ 89.500179] bridge0: port 1(bridge_slave_0) entered disabled state [ 89.507788] device bridge_slave_0 entered promiscuous mode [ 89.520774] bridge0: port 2(bridge_slave_1) entered blocking state [ 89.527938] bridge0: port 2(bridge_slave_1) entered disabled state [ 89.535452] device bridge_slave_1 entered promiscuous mode [ 89.545453] bridge0: port 1(bridge_slave_0) entered blocking state [ 89.552977] bridge0: port 1(bridge_slave_0) entered disabled state [ 89.560317] device bridge_slave_0 entered promiscuous mode [ 89.568013] bridge0: port 1(bridge_slave_0) entered blocking state [ 89.574769] bridge0: port 1(bridge_slave_0) entered disabled state [ 89.581963] device bridge_slave_0 entered promiscuous mode [ 89.590970] bridge0: port 2(bridge_slave_1) entered blocking state [ 89.598857] bridge0: port 2(bridge_slave_1) entered disabled state [ 89.612227] device bridge_slave_1 entered promiscuous mode [ 89.620603] bridge0: port 2(bridge_slave_1) entered blocking state [ 89.627692] bridge0: port 2(bridge_slave_1) entered disabled state [ 89.634786] device bridge_slave_1 entered promiscuous mode [ 89.646338] bridge0: port 2(bridge_slave_1) entered blocking state [ 89.657167] bridge0: port 2(bridge_slave_1) entered disabled state [ 89.664333] device bridge_slave_1 entered promiscuous mode [ 89.674027] bridge0: port 2(bridge_slave_1) entered blocking state [ 89.680783] bridge0: port 2(bridge_slave_1) entered disabled state [ 89.688831] device bridge_slave_1 entered promiscuous mode [ 89.826892] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 89.860673] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 89.888353] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 89.919712] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 89.940413] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 89.965128] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 89.978340] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 90.004516] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 90.019060] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 90.033647] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 90.059916] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 90.070293] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 90.084040] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 90.100424] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 90.112258] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 90.139229] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 90.162070] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 90.172210] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 90.201851] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 90.209750] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 90.236932] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 90.249871] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 90.276855] team0: Port device team_slave_0 added [ 90.286232] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 90.357742] team0: Port device team_slave_1 added [ 90.373320] team0: Port device team_slave_0 added [ 90.397134] team0: Port device team_slave_0 added [ 90.412498] team0: Port device team_slave_0 added [ 90.424605] team0: Port device team_slave_1 added [ 90.444297] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 90.466091] team0: Port device team_slave_0 added [ 90.476535] team0: Port device team_slave_1 added [ 90.486741] team0: Port device team_slave_0 added [ 90.498141] team0: Port device team_slave_1 added [ 90.508711] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 90.524956] team0: Port device team_slave_1 added [ 90.540049] team0: Port device team_slave_1 added [ 90.559070] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 90.573689] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 90.582313] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 90.594797] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 90.612177] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 90.620713] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 90.648099] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 90.656229] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 90.666406] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 90.678478] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 90.706800] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 90.724581] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 90.745676] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 90.753859] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 90.761915] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 90.785685] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 90.804549] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 90.812832] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 90.821520] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 90.829370] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 90.838317] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 90.846240] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 90.854176] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 90.870264] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 90.884967] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 90.906112] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 90.923832] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 90.931913] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 90.940054] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 90.949055] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 90.963805] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 90.985953] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 91.021337] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 91.040108] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 91.418129] bridge0: port 2(bridge_slave_1) entered blocking state [ 91.424805] bridge0: port 2(bridge_slave_1) entered forwarding state [ 91.432298] bridge0: port 1(bridge_slave_0) entered blocking state [ 91.438686] bridge0: port 1(bridge_slave_0) entered forwarding state [ 91.473690] bridge0: port 2(bridge_slave_1) entered blocking state [ 91.480278] bridge0: port 2(bridge_slave_1) entered forwarding state [ 91.487013] bridge0: port 1(bridge_slave_0) entered blocking state [ 91.493449] bridge0: port 1(bridge_slave_0) entered forwarding state [ 91.556928] bridge0: port 2(bridge_slave_1) entered blocking state [ 91.563391] bridge0: port 2(bridge_slave_1) entered forwarding state [ 91.570158] bridge0: port 1(bridge_slave_0) entered blocking state [ 91.576610] bridge0: port 1(bridge_slave_0) entered forwarding state [ 91.589111] bridge0: port 2(bridge_slave_1) entered blocking state [ 91.595657] bridge0: port 2(bridge_slave_1) entered forwarding state [ 91.602357] bridge0: port 1(bridge_slave_0) entered blocking state [ 91.608744] bridge0: port 1(bridge_slave_0) entered forwarding state [ 91.617909] bridge0: port 2(bridge_slave_1) entered blocking state [ 91.624319] bridge0: port 2(bridge_slave_1) entered forwarding state [ 91.630988] bridge0: port 1(bridge_slave_0) entered blocking state [ 91.637458] bridge0: port 1(bridge_slave_0) entered forwarding state [ 91.694428] bridge0: port 2(bridge_slave_1) entered blocking state [ 91.700863] bridge0: port 2(bridge_slave_1) entered forwarding state [ 91.707615] bridge0: port 1(bridge_slave_0) entered blocking state [ 91.714059] bridge0: port 1(bridge_slave_0) entered forwarding state [ 92.011651] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 92.019637] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 92.039324] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 92.048192] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 92.055582] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 92.063138] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 93.783622] 8021q: adding VLAN 0 to HW filter on device bond0 [ 93.864900] 8021q: adding VLAN 0 to HW filter on device bond0 [ 93.883493] 8021q: adding VLAN 0 to HW filter on device bond0 [ 93.918013] 8021q: adding VLAN 0 to HW filter on device bond0 [ 93.937590] 8021q: adding VLAN 0 to HW filter on device bond0 [ 94.028597] 8021q: adding VLAN 0 to HW filter on device bond0 [ 94.209875] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 94.226741] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 94.257996] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 94.276219] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 94.292280] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 94.299452] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 94.317469] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 94.336719] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 94.353809] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 94.361978] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 94.446357] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 94.458590] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 94.488899] 8021q: adding VLAN 0 to HW filter on device team0 [ 94.502977] 8021q: adding VLAN 0 to HW filter on device team0 [ 94.522446] 8021q: adding VLAN 0 to HW filter on device team0 [ 94.532619] 8021q: adding VLAN 0 to HW filter on device team0 [ 94.594352] 8021q: adding VLAN 0 to HW filter on device team0 [ 94.610536] 8021q: adding VLAN 0 to HW filter on device team0 [ 95.591837] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 95.741933] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 95.849975] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 95.890002] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 95.937348] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 95.948308] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 2019/08/12 00:06:00 executed programs: 6 [ 96.102376] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 96.149144] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 96.197436] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 96.344038] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 253.691524] INFO: task syz-executor2:8877 blocked for more than 143 seconds. [ 253.699617] Not tainted 5.3.0-rc4 #1 [ 253.704244] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 253.712307] syz-executor2 D28168 8877 7309 0x00000004 [ 253.718920] Call Trace: [ 253.721768] __schedule+0x719/0x1530 [ 253.725515] ? __sched_text_start+0x8/0x8 [ 253.729694] ? __kasan_check_read+0x11/0x20 [ 253.734355] ? __lock_acquire+0x2c4d/0x4b70 [ 253.738803] schedule+0x8f/0x260 [ 253.742404] schedule_timeout+0x5c4/0xad0 [ 253.747220] ? __kasan_check_read+0x11/0x20 [ 253.752414] ? mark_lock+0xc3/0x11a0 [ 253.756547] ? usleep_range+0x130/0x130 [ 253.760743] ? mark_held_locks+0xb8/0x130 [ 253.775221] ? do_raw_spin_lock+0x123/0x2d0 [ 253.779840] ? _raw_spin_unlock_irq+0x27/0x80 [ 253.784596] ? wait_for_completion+0x283/0x460 [ 253.789475] ? lockdep_hardirqs_on+0x424/0x5c0 [ 253.795842] ? _raw_spin_unlock_irq+0x27/0x80 [ 253.800353] ? trace_hardirqs_on+0x28/0x1b0 [ 253.805332] ? __kasan_check_read+0x11/0x20 [ 253.809938] wait_for_completion+0x28b/0x460 [ 253.814609] ? wait_for_completion_interruptible+0x4b0/0x4b0 [ 253.820739] ? wake_up_q+0xf0/0xf0 [ 253.825533] ? __kasan_check_read+0x11/0x20 [ 253.830946] __flush_work+0x415/0x910 [ 253.834901] ? alloc_unbound_pwq+0xe40/0xe40 [ 253.841539] ? init_pwq+0x330/0x330 [ 253.845424] ? __cancel_work_timer+0x159/0x440 [ 253.850473] ? trace_hardirqs_on+0x28/0x1b0 [ 253.855362] __cancel_work_timer+0x308/0x440 [ 253.859827] ? mod_delayed_work_on+0x1a0/0x1a0 [ 253.864927] ? mark_held_locks+0x130/0x130 [ 253.869299] cancel_delayed_work_sync+0xe/0x10 [ 253.874692] tls_sw_cancel_work_tx+0x63/0x70 [ 253.879318] tls_sk_proto_close+0x330/0x760 [ 253.885089] ? __sock_release+0x7d/0x280 [ 253.889425] ? wait_on_pending_writer+0x3b0/0x3b0 [ 253.895258] ? __kasan_check_write+0x14/0x20 [ 253.901663] ? down_write+0xdc/0x150 [ 253.905666] inet_release+0xc6/0x1c0 [ 253.909498] inet6_release+0x46/0x60 [ 253.913511] __sock_release+0xc7/0x280 [ 253.917635] sock_close+0x13/0x20 [ 253.921128] __fput+0x25d/0x780 [ 253.924579] ? _raw_spin_unlock_irq+0x27/0x80 [ 253.929363] ____fput+0x9/0x10 [ 253.932779] task_work_run+0x10e/0x190 [ 253.937540] exit_to_usermode_loop+0x1be/0x210 [ 253.942495] do_syscall_64+0x468/0x550 [ 253.946640] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 253.952377] RIP: 0033:0x411211 [ 253.955686] Code: 24 28 48 8d 6c 24 28 48 8b 44 24 38 0f b6 48 17 f6 c1 80 74 6a 48 8b 08 48 89 4c 24 10 48 8b 4c 24 40 48 89 0c 24 48 8b 54 24 <48> 48 89 54 24 08 e8 b4 71 04 00 0f b6 05 92 a5 e4 00 84 c0 75 0a [ 253.975285] RSP: 002b:00007ffff2cecf20 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 [ 253.983984] RAX: 0000000000000000 RBX: 0000000000000005 RCX: 0000000000411211 [ 253.991655] RDX: 0000000000000000 RSI: 0000000000740b80 RDI: 0000000000000004 [ 253.998945] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 254.006858] R10: 00007ffff2cece50 R11: 0000000000000293 R12: 0000000000000000 [ 254.014737] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000002 [ 254.022204] INFO: task syz-executor5:8960 blocked for more than 143 seconds. [ 254.029933] Not tainted 5.3.0-rc4 #1 [ 254.034284] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 254.042334] syz-executor5 D28168 8960 7317 0x00000004 [ 254.048341] Call Trace: [ 254.051281] __schedule+0x719/0x1530 [ 254.055149] ? __sched_text_start+0x8/0x8 [ 254.059413] ? __kasan_check_read+0x11/0x20 [ 254.063839] ? __lock_acquire+0x100f/0x4b70 [ 254.068286] schedule+0x8f/0x260 [ 254.071746] schedule_timeout+0x5c4/0xad0 [ 254.075900] ? __kasan_check_read+0x11/0x20 [ 254.080789] ? mark_lock+0xc3/0x11a0 [ 254.084613] ? usleep_range+0x130/0x130 [ 254.088587] ? mark_held_locks+0xb8/0x130 [ 254.092838] ? do_raw_spin_lock+0x123/0x2d0 [ 254.097211] ? _raw_spin_unlock_irq+0x27/0x80 [ 254.102128] ? wait_for_completion+0x283/0x460 [ 254.106721] ? lockdep_hardirqs_on+0x424/0x5c0 [ 254.111408] ? _raw_spin_unlock_irq+0x27/0x80 [ 254.116139] ? trace_hardirqs_on+0x28/0x1b0 [ 254.120550] ? __kasan_check_read+0x11/0x20 [ 254.125423] wait_for_completion+0x28b/0x460 [ 254.130052] ? wait_for_completion_interruptible+0x4b0/0x4b0 [ 254.136582] ? wake_up_q+0xf0/0xf0 [ 254.140217] ? __kasan_check_read+0x11/0x20 [ 254.145487] __flush_work+0x415/0x910 [ 254.149297] ? alloc_unbound_pwq+0xe40/0xe40 [ 254.153983] ? init_pwq+0x330/0x330 [ 254.157625] ? __cancel_work_timer+0x159/0x440 [ 254.162296] ? trace_hardirqs_on+0x28/0x1b0 [ 254.167049] __cancel_work_timer+0x308/0x440 [ 254.171555] ? mod_delayed_work_on+0x1a0/0x1a0 [ 254.176444] ? mark_held_locks+0x130/0x130 [ 254.180688] cancel_delayed_work_sync+0xe/0x10 [ 254.185716] tls_sw_cancel_work_tx+0x63/0x70 [ 254.191224] tls_sk_proto_close+0x330/0x760 [ 254.195551] ? __sock_release+0x7d/0x280 [ 254.199656] ? wait_on_pending_writer+0x3b0/0x3b0 [ 254.204609] ? __kasan_check_write+0x14/0x20 [ 254.209810] ? down_write+0xdc/0x150 [ 254.213648] inet_release+0xc6/0x1c0 [ 254.217385] inet6_release+0x46/0x60 [ 254.221290] __sock_release+0xc7/0x280 [ 254.225386] sock_close+0x13/0x20 [ 254.228845] __fput+0x25d/0x780 [ 254.232240] ? _raw_spin_unlock_irq+0x27/0x80 [ 254.236793] ____fput+0x9/0x10 [ 254.240303] task_work_run+0x10e/0x190 [ 254.244389] exit_to_usermode_loop+0x1be/0x210 [ 254.249141] do_syscall_64+0x468/0x550 [ 254.253189] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 254.258375] RIP: 0033:0x411211 [ 254.261617] Code: 24 28 48 8d 6c 24 28 48 8b 44 24 38 0f b6 48 17 f6 c1 80 74 6a 48 8b 08 48 89 4c 24 10 48 8b 4c 24 40 48 89 0c 24 48 8b 54 24 <48> 48 89 54 24 08 e8 b4 71 04 00 0f b6 05 92 a5 e4 00 84 c0 75 0a [ 254.281886] RSP: 002b:00007ffdf36f1830 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 [ 254.290149] RAX: 0000000000000000 RBX: 0000000000000005 RCX: 0000000000411211 [ 254.297649] RDX: 0000000000000000 RSI: 0000000000740b80 RDI: 0000000000000004 [ 254.305128] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 254.312881] R10: 00007ffdf36f1760 R11: 0000000000000293 R12: 0000000000000000 [ 254.320637] R13: 0000000000000001 R14: 0000000000000001 R15: 0000000000000005 [ 254.328655] INFO: task syz-executor3:8964 blocked for more than 143 seconds. [ 254.336299] Not tainted 5.3.0-rc4 #1 [ 254.341552] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 254.350467] syz-executor3 D28168 8964 7299 0x00000004 [ 254.356964] Call Trace: [ 254.359571] __schedule+0x719/0x1530 [ 254.363811] ? __sched_text_start+0x8/0x8 [ 254.368142] ? __kasan_check_read+0x11/0x20 [ 254.372574] ? __lock_acquire+0x100f/0x4b70 [ 254.376906] schedule+0x8f/0x260 [ 254.380679] schedule_timeout+0x5c4/0xad0 [ 254.385356] ? __kasan_check_read+0x11/0x20 [ 254.390015] ? mark_lock+0xc3/0x11a0 [ 254.394179] ? usleep_range+0x130/0x130 [ 254.398282] ? mark_held_locks+0xb8/0x130 [ 254.402838] ? do_raw_spin_lock+0x123/0x2d0 [ 254.407260] ? _raw_spin_unlock_irq+0x27/0x80 [ 254.412736] ? wait_for_completion+0x283/0x460 [ 254.417715] ? lockdep_hardirqs_on+0x424/0x5c0 [ 254.422539] ? _raw_spin_unlock_irq+0x27/0x80 [ 254.427037] ? trace_hardirqs_on+0x28/0x1b0 [ 254.431680] ? __kasan_check_read+0x11/0x20 [ 254.436098] wait_for_completion+0x28b/0x460 [ 254.440723] ? wait_for_completion_interruptible+0x4b0/0x4b0 [ 254.446881] ? wake_up_q+0xf0/0xf0 [ 254.450685] ? __kasan_check_read+0x11/0x20 [ 254.455522] __flush_work+0x415/0x910 [ 254.459355] ? alloc_unbound_pwq+0xe40/0xe40 [ 254.463869] ? init_pwq+0x330/0x330 [ 254.467628] ? __cancel_work_timer+0x159/0x440 [ 254.472486] ? trace_hardirqs_on+0x28/0x1b0 [ 254.477105] __cancel_work_timer+0x308/0x440 [ 254.481838] ? mod_delayed_work_on+0x1a0/0x1a0 [ 254.486680] ? mark_held_locks+0x130/0x130 [ 254.490918] cancel_delayed_work_sync+0xe/0x10 [ 254.495729] tls_sw_cancel_work_tx+0x63/0x70 [ 254.500163] tls_sk_proto_close+0x330/0x760 [ 254.504880] ? __sock_release+0x7d/0x280 [ 254.508947] ? wait_on_pending_writer+0x3b0/0x3b0 [ 254.513992] ? __kasan_check_write+0x14/0x20 [ 254.519278] ? down_write+0xdc/0x150 [ 254.523074] inet_release+0xc6/0x1c0 [ 254.526798] inet6_release+0x46/0x60 [ 254.530624] __sock_release+0xc7/0x280 [ 254.534844] sock_close+0x13/0x20 [ 254.538294] __fput+0x25d/0x780 [ 254.542196] ? _raw_spin_unlock_irq+0x27/0x80 [ 254.546696] ____fput+0x9/0x10 [ 254.549882] task_work_run+0x10e/0x190 [ 254.553997] exit_to_usermode_loop+0x1be/0x210 [ 254.558761] do_syscall_64+0x468/0x550 [ 254.562833] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 254.568158] RIP: 0033:0x411211 [ 254.571461] Code: 24 28 48 8d 6c 24 28 48 8b 44 24 38 0f b6 48 17 f6 c1 80 74 6a 48 8b 08 48 89 4c 24 10 48 8b 4c 24 40 48 89 0c 24 48 8b 54 24 <48> 48 89 54 24 08 e8 b4 71 04 00 0f b6 05 92 a5 e4 00 84 c0 75 0a [ 254.591435] RSP: 002b:00007ffe92d647b0 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 [ 254.600422] RAX: 0000000000000000 RBX: 0000000000000005 RCX: 0000000000411211 [ 254.607982] RDX: 0000000000000000 RSI: 0000000000740b80 RDI: 0000000000000004 [ 254.615583] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 254.623187] R10: 00007ffe92d646e0 R11: 0000000000000293 R12: 0000000000000000 [ 254.630645] R13: 0000000000000001 R14: 0000000000000001 R15: 0000000000000003 [ 254.638345] INFO: task syz-executor1:8968 blocked for more than 144 seconds. [ 254.646593] Not tainted 5.3.0-rc4 #1 [ 254.651101] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 254.659554] syz-executor1 D26928 8968 7306 0x00000004 [ 254.665925] Call Trace: [ 254.668585] __schedule+0x719/0x1530 [ 254.673696] ? __sched_text_start+0x8/0x8 [ 254.678271] ? __kasan_check_read+0x11/0x20 [ 254.683886] ? __lock_acquire+0x100f/0x4b70 [ 254.688510] schedule+0x8f/0x260 [ 254.692059] schedule_timeout+0x5c4/0xad0 [ 254.696565] ? __kasan_check_read+0x11/0x20 [ 254.701711] ? mark_lock+0xc3/0x11a0 [ 254.705438] ? usleep_range+0x130/0x130 [ 254.709840] ? mark_held_locks+0xb8/0x130 [ 254.714675] ? do_raw_spin_lock+0x123/0x2d0 [ 254.720235] ? _raw_spin_unlock_irq+0x27/0x80 [ 254.724849] ? wait_for_completion+0x283/0x460 [ 254.730022] ? lockdep_hardirqs_on+0x424/0x5c0 [ 254.734948] ? _raw_spin_unlock_irq+0x27/0x80 [ 254.739738] ? trace_hardirqs_on+0x28/0x1b0 [ 254.745318] ? __kasan_check_read+0x11/0x20 [ 254.750198] wait_for_completion+0x28b/0x460 [ 254.755033] ? wait_for_completion_interruptible+0x4b0/0x4b0 [ 254.760982] ? wake_up_q+0xf0/0xf0 [ 254.764790] ? __kasan_check_read+0x11/0x20 [ 254.769131] __flush_work+0x415/0x910 [ 254.773134] ? alloc_unbound_pwq+0xe40/0xe40 [ 254.777573] ? init_pwq+0x330/0x330 [ 254.781355] ? __cancel_work_timer+0x159/0x440 [ 254.786280] ? trace_hardirqs_on+0x28/0x1b0 [ 254.791034] __cancel_work_timer+0x308/0x440 [ 254.795775] ? mod_delayed_work_on+0x1a0/0x1a0 [ 254.800656] ? mark_held_locks+0x130/0x130 [ 254.805714] cancel_delayed_work_sync+0xe/0x10 [ 254.810676] tls_sw_cancel_work_tx+0x63/0x70 [ 254.815307] tls_sk_proto_close+0x330/0x760 [ 254.819732] ? __sock_release+0x7d/0x280 [ 254.824093] ? wait_on_pending_writer+0x3b0/0x3b0 [ 254.829232] ? __kasan_check_write+0x14/0x20 [ 254.834060] ? down_write+0xdc/0x150 [ 254.838214] inet_release+0xc6/0x1c0 [ 254.842441] inet6_release+0x46/0x60 [ 254.847030] __sock_release+0xc7/0x280 [ 254.851507] sock_close+0x13/0x20 [ 254.855237] __fput+0x25d/0x780 [ 254.858619] ? _raw_spin_unlock_irq+0x27/0x80 [ 254.863350] ____fput+0x9/0x10 [ 254.866653] task_work_run+0x10e/0x190 [ 254.870543] exit_to_usermode_loop+0x1be/0x210 [ 254.875336] do_syscall_64+0x468/0x550 [ 254.879490] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 254.885116] RIP: 0033:0x411211 [ 254.888432] Code: 24 28 48 8d 6c 24 28 48 8b 44 24 38 0f b6 48 17 f6 c1 80 74 6a 48 8b 08 48 89 4c 24 10 48 8b 4c 24 40 48 89 0c 24 48 8b 54 24 <48> 48 89 54 24 08 e8 b4 71 04 00 0f b6 05 92 a5 e4 00 84 c0 75 0a [ 254.908754] RSP: 002b:00007ffd04922de0 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 [ 254.916710] RAX: 0000000000000000 RBX: 0000000000000005 RCX: 0000000000411211 [ 254.924500] RDX: 0000000000000000 RSI: 0000000000740b80 RDI: 0000000000000004 [ 254.932502] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 254.940154] R10: 00007ffd04922d10 R11: 0000000000000293 R12: 0000000000000000 [ 254.947530] R13: 0000000000000001 R14: 0000000000000001 R15: 0000000000000001 [ 254.955166] INFO: task syz-executor0:8972 blocked for more than 144 seconds. [ 254.962459] Not tainted 5.3.0-rc4 #1 [ 254.967985] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 254.976419] syz-executor0 D28168 8972 7312 0x00000004 [ 254.982238] Call Trace: [ 254.984912] __schedule+0x719/0x1530 [ 254.988622] ? __sched_text_start+0x8/0x8 [ 254.993257] ? __kasan_check_read+0x11/0x20 [ 254.997889] ? __lock_acquire+0x100f/0x4b70 [ 255.002600] schedule+0x8f/0x260 [ 255.006172] schedule_timeout+0x5c4/0xad0 [ 255.010330] ? __kasan_check_read+0x11/0x20 [ 255.014776] ? mark_lock+0xc3/0x11a0 [ 255.018739] ? usleep_range+0x130/0x130 [ 255.023065] ? mark_held_locks+0xb8/0x130 [ 255.027209] ? do_raw_spin_lock+0x123/0x2d0 [ 255.031952] ? _raw_spin_unlock_irq+0x27/0x80 [ 255.036768] ? wait_for_completion+0x283/0x460 [ 255.041540] ? lockdep_hardirqs_on+0x424/0x5c0 [ 255.046129] ? _raw_spin_unlock_irq+0x27/0x80 [ 255.050967] ? trace_hardirqs_on+0x28/0x1b0 [ 255.055414] ? __kasan_check_read+0x11/0x20 [ 255.060090] wait_for_completion+0x28b/0x460 [ 255.065183] ? wait_for_completion_interruptible+0x4b0/0x4b0 [ 255.070984] ? wake_up_q+0xf0/0xf0 [ 255.074637] ? __kasan_check_read+0x11/0x20 [ 255.078962] __flush_work+0x415/0x910 [ 255.083247] ? alloc_unbound_pwq+0xe40/0xe40 [ 255.087758] ? init_pwq+0x330/0x330 [ 255.091735] ? __cancel_work_timer+0x159/0x440 [ 255.096431] ? trace_hardirqs_on+0x28/0x1b0 [ 255.100878] __cancel_work_timer+0x308/0x440 [ 255.105574] ? mod_delayed_work_on+0x1a0/0x1a0 [ 255.110590] ? mark_held_locks+0x130/0x130 [ 255.114929] cancel_delayed_work_sync+0xe/0x10 [ 255.119695] tls_sw_cancel_work_tx+0x63/0x70 [ 255.124317] tls_sk_proto_close+0x330/0x760 [ 255.128792] ? __sock_release+0x7d/0x280 [ 255.133108] ? wait_on_pending_writer+0x3b0/0x3b0 [ 255.138295] ? __kasan_check_write+0x14/0x20 [ 255.142830] ? down_write+0xdc/0x150 [ 255.147687] inet_release+0xc6/0x1c0 [ 255.151556] inet6_release+0x46/0x60 [ 255.155818] __sock_release+0xc7/0x280 [ 255.159864] sock_close+0x13/0x20 [ 255.164358] __fput+0x25d/0x780 [ 255.167741] ? _raw_spin_unlock_irq+0x27/0x80 [ 255.172411] ____fput+0x9/0x10 [ 255.175617] task_work_run+0x10e/0x190 [ 255.179588] exit_to_usermode_loop+0x1be/0x210 [ 255.185123] do_syscall_64+0x468/0x550 [ 255.189450] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 255.195392] RIP: 0033:0x411211 [ 255.198763] Code: 24 28 48 8d 6c 24 28 48 8b 44 24 38 0f b6 48 17 f6 c1 80 74 6a 48 8b 08 48 89 4c 24 10 48 8b 4c 24 40 48 89 0c 24 48 8b 54 24 <48> 48 89 54 24 08 e8 b4 71 04 00 0f b6 05 92 a5 e4 00 84 c0 75 0a [ 255.219296] RSP: 002b:00007ffe3a2da850 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 [ 255.227060] RAX: 0000000000000000 RBX: 0000000000000005 RCX: 0000000000411211 [ 255.234466] RDX: 0000000000000000 RSI: 0000000000740b80 RDI: 0000000000000004 [ 255.242016] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 255.249316] R10: 00007ffe3a2da780 R11: 0000000000000293 R12: 0000000000000000 [ 255.257021] R13: 0000000000000001 R14: 0000000000000001 R15: 0000000000000000 [ 255.265631] INFO: task syz-executor4:8977 blocked for more than 144 seconds. [ 255.273716] Not tainted 5.3.0-rc4 #1 [ 255.278049] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 255.286281] syz-executor4 D28168 8977 7302 0x00004004 [ 255.292019] Call Trace: [ 255.294666] __schedule+0x719/0x1530 [ 255.298483] ? __sched_text_start+0x8/0x8 [ 255.302946] ? __kasan_check_read+0x11/0x20 [ 255.307418] ? __lock_acquire+0x100f/0x4b70 [ 255.311878] ? mark_held_locks+0xb8/0x130 [ 255.316135] ? __switch_to_asm+0x34/0x70 [ 255.320198] schedule+0x8f/0x260 [ 255.324090] schedule_timeout+0x5c4/0xad0 [ 255.328680] ? __kasan_check_read+0x11/0x20 [ 255.333450] ? mark_lock+0xc3/0x11a0 [ 255.337517] ? usleep_range+0x130/0x130 [ 255.341977] ? mark_held_locks+0xb8/0x130 [ 255.346235] ? do_raw_spin_lock+0x123/0x2d0 [ 255.351108] ? _raw_spin_unlock_irq+0x27/0x80 [ 255.355881] ? wait_for_completion+0x283/0x460 [ 255.360500] ? lockdep_hardirqs_on+0x424/0x5c0 [ 255.365724] ? _raw_spin_unlock_irq+0x27/0x80 [ 255.370320] ? trace_hardirqs_on+0x28/0x1b0 [ 255.375410] ? __kasan_check_read+0x11/0x20 [ 255.380122] wait_for_completion+0x28b/0x460 [ 255.384915] ? wait_for_completion_interruptible+0x4b0/0x4b0 [ 255.391046] ? wake_up_q+0xf0/0xf0 [ 255.394976] __flush_work+0x415/0x910 [ 255.399816] ? alloc_unbound_pwq+0xe40/0xe40 [ 255.404535] ? init_pwq+0x330/0x330 [ 255.408217] ? __cancel_work_timer+0x159/0x440 [ 255.413251] ? trace_hardirqs_on+0x28/0x1b0 [ 255.417770] __cancel_work_timer+0x308/0x440 [ 255.422783] ? mod_delayed_work_on+0x1a0/0x1a0 [ 255.428049] ? mark_held_locks+0x130/0x130 [ 255.432477] cancel_delayed_work_sync+0xe/0x10 [ 255.437161] tls_sw_cancel_work_tx+0x63/0x70 [ 255.441654] tls_sk_proto_close+0x330/0x760 [ 255.445979] ? __sock_release+0x7d/0x280 [ 255.450038] ? wait_on_pending_writer+0x3b0/0x3b0 [ 255.455449] ? __kasan_check_write+0x14/0x20 [ 255.459954] ? down_write+0xdc/0x150 [ 255.463782] inet_release+0xc6/0x1c0 [ 255.467506] inet6_release+0x46/0x60 [ 255.471552] __sock_release+0xc7/0x280 [ 255.475958] sock_close+0x13/0x20 [ 255.479920] __fput+0x25d/0x780 [ 255.484702] ? _raw_spin_unlock_irq+0x27/0x80 [ 255.489376] ____fput+0x9/0x10 [ 255.492951] task_work_run+0x10e/0x190 [ 255.496951] exit_to_usermode_loop+0x1be/0x210 [ 255.502091] do_syscall_64+0x468/0x550 [ 255.506429] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 255.511744] RIP: 0033:0x411211 [ 255.515144] Code: 24 28 48 8d 6c 24 28 48 8b 44 24 38 0f b6 48 17 f6 c1 80 74 6a 48 8b 08 48 89 4c 24 10 48 8b 4c 24 40 48 89 0c 24 48 8b 54 24 <48> 48 89 54 24 08 e8 b4 71 04 00 0f b6 05 92 a5 e4 00 84 c0 75 0a [ 255.535250] RSP: 002b:00007ffc1d3fec60 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 [ 255.543187] RAX: 0000000000000000 RBX: 0000000000000005 RCX: 0000000000411211 [ 255.550459] RDX: 0000000000000000 RSI: 0000000000740b80 RDI: 0000000000000004 [ 255.557844] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 255.565162] R10: 00007ffc1d3feb90 R11: 0000000000000293 R12: 0000000000000000 [ 255.572744] R13: 0000000000000001 R14: 0000000000000001 R15: 0000000000000004 [ 255.580280] [ 255.580280] Showing all locks held in the system: [ 255.587131] 2 locks held by kworker/0:0/5: [ 255.591742] #0: 000000005f0175d2 ((wq_completion)events){+.+.}, at: process_one_work+0x76f/0x1640 [ 255.601082] #1: 000000002b51efcb ((work_completion)(&(&sw_ctx_tx->tx_work.work)->work)){+.+.}, at: process_one_work+0x79f/0x1640 [ 255.613019] 2 locks held by kworker/1:1/22: [ 255.617332] #0: 000000005f0175d2 ((wq_completion)events){+.+.}, at: process_one_work+0x76f/0x1640 [ 255.626844] #1: 00000000852ecd56 ((work_completion)(&(&sw_ctx_tx->tx_work.work)->work)){+.+.}, at: process_one_work+0x79f/0x1640 [ 255.639428] 1 lock held by khungtaskd/1042: [ 255.643829] #0: 0000000095fbcc64 (rcu_read_lock){....}, at: debug_show_all_locks+0x5b/0x27a [ 255.652808] 2 locks held by kworker/1:2/3465: [ 255.657311] #0: 000000005f0175d2 ((wq_completion)events){+.+.}, at: process_one_work+0x76f/0x1640 [ 255.666764] #1: 0000000094e63202 ((work_completion)(&(&sw_ctx_tx->tx_work.work)->work)){+.+.}, at: process_one_work+0x79f/0x1640 [ 255.679171] 1 lock held by rsyslogd/7098: [ 255.683427] 2 locks held by getty/7188: [ 255.687404] #0: 00000000372b99d6 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x2d/0x40 [ 255.696504] #1: 000000001d416b00 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x1ee/0x1930 [ 255.705791] 2 locks held by getty/7189: [ 255.709750] #0: 0000000047b89584 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x2d/0x40 [ 255.719124] #1: 000000001282879a (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x1ee/0x1930 [ 255.728337] 2 locks held by getty/7190: [ 255.732572] #0: 00000000f4fb3be6 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x2d/0x40 [ 255.741437] #1: 00000000b05820b1 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x1ee/0x1930 [ 255.750905] 2 locks held by getty/7191: [ 255.754979] #0: 00000000640f30d0 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x2d/0x40 [ 255.763824] #1: 0000000037532e93 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x1ee/0x1930 [ 255.776715] 2 locks held by getty/7192: [ 255.783519] #0: 000000008944cd9f (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x2d/0x40 [ 255.792430] #1: 00000000b2f45483 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x1ee/0x1930 [ 255.801706] 2 locks held by getty/7193: [ 255.806197] #0: 000000008a9f588c (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x2d/0x40 [ 255.815344] #1: 0000000053104324 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x1ee/0x1930 [ 255.824964] 2 locks held by getty/7194: [ 255.828990] #0: 000000006b43d532 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x2d/0x40 [ 255.838294] #1: 000000005516bde1 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x1ee/0x1930 [ 255.849848] 2 locks held by kworker/1:3/7756: [ 255.855836] #0: 000000005f0175d2 ((wq_completion)events){+.+.}, at: process_one_work+0x76f/0x1640 [ 255.865526] #1: 00000000dbaf5863 ((work_completion)(&(&sw_ctx_tx->tx_work.work)->work)){+.+.}, at: process_one_work+0x79f/0x1640 [ 255.877848] 1 lock held by syz-executor2/8877: [ 255.882586] #0: 000000002d06d13c (&sb->s_type->i_mutex_key#12){+.+.}, at: __sock_release+0x7d/0x280 [ 255.892728] 2 locks held by kworker/1:4/8940: [ 255.897325] #0: 000000005f0175d2 ((wq_completion)events){+.+.}, at: process_one_work+0x76f/0x1640 [ 255.906596] #1: 00000000833c14f5 ((work_completion)(&(&sw_ctx_tx->tx_work.work)->work)){+.+.}, at: process_one_work+0x79f/0x1640 [ 255.920936] 2 locks held by kworker/0:4/8947: [ 255.925730] #0: 000000005f0175d2 ((wq_completion)events){+.+.}, at: process_one_work+0x76f/0x1640 [ 255.935058] #1: 00000000c375c721 ((work_completion)(&(&sw_ctx_tx->tx_work.work)->work)){+.+.}, at: process_one_work+0x79f/0x1640 [ 255.947118] 1 lock held by syz-executor5/8960: [ 255.951947] #0: 00000000a4785c7e (&sb->s_type->i_mutex_key#12){+.+.}, at: __sock_release+0x7d/0x280 [ 255.963207] 1 lock held by syz-executor3/8964: [ 255.967799] #0: 00000000c3a454a1 (&sb->s_type->i_mutex_key#12){+.+.}, at: __sock_release+0x7d/0x280 [ 255.978732] 1 lock held by syz-executor1/8968: [ 255.983612] #0: 0000000066d528b8 (&sb->s_type->i_mutex_key#12){+.+.}, at: __sock_release+0x7d/0x280 [ 255.993094] 1 lock held by syz-executor0/8972: [ 255.997726] #0: 00000000a653982c (&sb->s_type->i_mutex_key#12){+.+.}, at: __sock_release+0x7d/0x280 [ 256.007784] 1 lock held by syz-executor4/8977: [ 256.012693] #0: 00000000a4afb36c (&sb->s_type->i_mutex_key#12){+.+.}, at: __sock_release+0x7d/0x280 [ 256.022701] [ 256.024402] ============================================= [ 256.024402] [ 256.031625] NMI backtrace for cpu 1 [ 256.036340] CPU: 1 PID: 1042 Comm: khungtaskd Not tainted 5.3.0-rc4 #1 [ 256.043265] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 256.052612] Call Trace: [ 256.055293] dump_stack+0x113/0x167 [ 256.059107] nmi_cpu_backtrace.cold.7+0x4b/0x84 [ 256.063782] ? lapic_can_unplug_cpu.cold.28+0x43/0x43 [ 256.070087] nmi_trigger_cpumask_backtrace+0x18b/0x1b7 [ 256.075680] arch_trigger_cpumask_backtrace+0x14/0x20 [ 256.081273] watchdog+0x592/0xb70 [ 256.084833] kthread+0x334/0x3f0 [ 256.088306] ? hungtask_pm_notify+0x40/0x40 [ 256.094074] ? kthread_cancel_delayed_work_sync+0x10/0x10 [ 256.099710] ret_from_fork+0x3a/0x50 [ 256.103664] Sending NMI from CPU 1 to CPUs 0: [ 256.108471] NMI backtrace for cpu 0 skipped: idling at native_safe_halt+0x12/0x20 [ 256.110082] Kernel panic - not syncing: hung_task: blocked tasks [ 256.122587] CPU: 1 PID: 1042 Comm: khungtaskd Not tainted 5.3.0-rc4 #1 [ 256.129455] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 256.141288] Call Trace: [ 256.144226] dump_stack+0x113/0x167 [ 256.148435] panic+0x223/0x4ee [ 256.152841] ? add_taint.cold.7+0x11/0x11 [ 256.157083] ? ___preempt_schedule+0x16/0x20 [ 256.161721] watchdog+0x5a3/0xb70 [ 256.166243] kthread+0x334/0x3f0 [ 256.170079] ? hungtask_pm_notify+0x40/0x40 [ 256.176224] ? kthread_cancel_delayed_work_sync+0x10/0x10 [ 256.181982] ret_from_fork+0x3a/0x50 [ 256.187851] Kernel Offset: disabled [ 256.192342] Rebooting in 86400 seconds..