Warning: Permanently added '10.128.1.14' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program syzkaller login: [ 528.086766][ T992] INFO: task syz-executor954:8985 blocked for more than 143 seconds. [ 528.095048][ T992] Not tainted 5.4.0-syzkaller #0 [ 528.100659][ T992] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 528.109401][ T992] syz-executor954 D27416 8985 8983 0x00000004 [ 528.115727][ T992] Call Trace: [ 528.119167][ T992] __schedule+0x8e1/0x1f30 [ 528.123608][ T992] ? __sched_text_start+0x8/0x8 [ 528.128602][ T992] ? lockdep_hardirqs_on+0x421/0x5e0 [ 528.133948][ T992] ? __lock_sock+0x160/0x290 [ 528.138633][ T992] ? trace_hardirqs_on+0x67/0x240 [ 528.143675][ T992] schedule+0xdc/0x2b0 [ 528.147818][ T992] __lock_sock+0x165/0x290 [ 528.152285][ T992] ? __sk_dst_check+0x2e0/0x2e0 [ 528.157233][ T992] ? finish_wait+0x260/0x260 [ 528.161833][ T992] lock_sock_nested+0xfe/0x120 [ 528.166811][ T992] virtio_transport_release+0xc4/0xd50 [ 528.172272][ T992] ? virtio_transport_close_timeout+0x220/0x220 [ 528.178702][ T992] ? rcu_read_lock_held+0x9c/0xb0 [ 528.183796][ T992] ? __kasan_check_read+0x11/0x20 [ 528.188924][ T992] vsock_assign_transport+0xea/0x330 [ 528.194220][ T992] vsock_stream_connect+0x2b3/0xc70 [ 528.199552][ T992] ? tomoyo_socket_listen_permission+0x3b0/0x3b0 [ 528.205884][ T992] ? vsock_dgram_connect+0x470/0x470 [ 528.211236][ T992] ? finish_wait+0x260/0x260 [ 528.215865][ T992] ? apparmor_socket_connect+0xb6/0x160 [ 528.221502][ T992] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 528.227817][ T992] __sys_connect_file+0x25d/0x2e0 [ 528.232836][ T992] ? __ia32_sys_accept+0xb0/0xb0 [ 528.237905][ T992] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 528.243467][ T992] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 528.249515][ T992] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 528.255511][ T992] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 528.261849][ T992] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 528.268202][ T992] ? __fget_light+0x1a9/0x230 [ 528.272871][ T992] __sys_connect+0x51/0x90 [ 528.277347][ T992] __x64_sys_connect+0x73/0xb0 [ 528.282141][ T992] do_syscall_64+0xfa/0x790 [ 528.286733][ T992] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 528.292631][ T992] RIP: 0033:0x4412c9 [ 528.296582][ T992] Code: Bad RIP value. [ 528.300643][ T992] RSP: 002b:00007ffd05daaa48 EFLAGS: 00000246 ORIG_RAX: 000000000000002a [ 528.309111][ T992] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004412c9 [ 528.317121][ T992] RDX: 0000000000000010 RSI: 00000000200000c0 RDI: 0000000000000003 [ 528.325072][ T992] RBP: 00000000006cb018 R08: 00000000004002c8 R09: 00000000004002c8 [ 528.333094][ T992] R10: 00000000004002c8 R11: 0000000000000246 R12: 0000000000402040 [ 528.341098][ T992] R13: 00000000004020d0 R14: 0000000000000000 R15: 0000000000000000 [ 528.349221][ T992] INFO: task syz-executor954:8990 blocked for more than 143 seconds. [ 528.357312][ T992] Not tainted 5.4.0-syzkaller #0 [ 528.362744][ T992] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 528.371461][ T992] syz-executor954 D28160 8990 8989 0x00000004 [ 528.377824][ T992] Call Trace: [ 528.381102][ T992] __schedule+0x8e1/0x1f30 [ 528.385516][ T992] ? __sched_text_start+0x8/0x8 [ 528.390426][ T992] ? lockdep_hardirqs_on+0x421/0x5e0 [ 528.395707][ T992] ? __lock_sock+0x160/0x290 [ 528.400780][ T992] ? trace_hardirqs_on+0x67/0x240 [ 528.405818][ T992] schedule+0xdc/0x2b0 [ 528.410090][ T992] __lock_sock+0x165/0x290 [ 528.414508][ T992] ? __sk_dst_check+0x2e0/0x2e0 [ 528.419394][ T992] ? finish_wait+0x260/0x260 [ 528.423982][ T992] lock_sock_nested+0xfe/0x120 [ 528.428809][ T992] virtio_transport_release+0xc4/0xd50 [ 528.434281][ T992] ? virtio_transport_close_timeout+0x220/0x220 [ 528.440556][ T992] ? rcu_read_lock_held+0x9c/0xb0 [ 528.445579][ T992] ? __kasan_check_read+0x11/0x20 [ 528.450656][ T992] vsock_assign_transport+0xea/0x330 [ 528.455949][ T992] vsock_stream_connect+0x2b3/0xc70 [ 528.461190][ T992] ? tomoyo_socket_listen_permission+0x3b0/0x3b0 [ 528.467553][ T992] ? vsock_dgram_connect+0x470/0x470 [ 528.472839][ T992] ? finish_wait+0x260/0x260 [ 528.477476][ T992] ? apparmor_socket_connect+0xb6/0x160 [ 528.483022][ T992] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 528.489396][ T992] __sys_connect_file+0x25d/0x2e0 [ 528.494418][ T992] ? __ia32_sys_accept+0xb0/0xb0 [ 528.499402][ T992] ? rcu_lockdep_current_cpu_online+0xe3/0x130 [ 528.505565][ T992] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 528.511348][ T992] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 528.517359][ T992] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 528.523667][ T992] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 528.529971][ T992] ? __fget_light+0x1a9/0x230 [ 528.534825][ T992] __sys_connect+0x51/0x90 [ 528.539284][ T992] __x64_sys_connect+0x73/0xb0 [ 528.544113][ T992] do_syscall_64+0xfa/0x790 [ 528.548774][ T992] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 528.554679][ T992] RIP: 0033:0x4412c9 [ 528.558675][ T992] Code: Bad RIP value. [ 528.562742][ T992] RSP: 002b:00007ffd05daaa48 EFLAGS: 00000246 ORIG_RAX: 000000000000002a [ 528.571628][ T992] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004412c9 [ 528.579662][ T992] RDX: 0000000000000010 RSI: 00000000200000c0 RDI: 0000000000000003 [ 528.587683][ T992] RBP: 00000000006cb018 R08: 00000000004002c8 R09: 00000000004002c8 [ 528.595642][ T992] R10: 00000000004002c8 R11: 0000000000000246 R12: 0000000000402040 [ 528.603653][ T992] R13: 00000000004020d0 R14: 0000000000000000 R15: 0000000000000000 [ 528.611686][ T992] INFO: task syz-executor954:8991 blocked for more than 143 seconds. [ 528.619798][ T992] Not tainted 5.4.0-syzkaller #0 [ 528.625240][ T992] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 528.633981][ T992] syz-executor954 D28160 8991 8988 0x00000004 [ 528.640356][ T992] Call Trace: [ 528.643639][ T992] __schedule+0x8e1/0x1f30 [ 528.648100][ T992] ? __sched_text_start+0x8/0x8 [ 528.652953][ T992] ? lockdep_hardirqs_on+0x421/0x5e0 [ 528.658285][ T992] ? __lock_sock+0x160/0x290 [ 528.662871][ T992] ? trace_hardirqs_on+0x67/0x240 [ 528.668282][ T992] schedule+0xdc/0x2b0 [ 528.672362][ T992] __lock_sock+0x165/0x290 [ 528.676870][ T992] ? __sk_dst_check+0x2e0/0x2e0 [ 528.681824][ T992] ? finish_wait+0x260/0x260 [ 528.686410][ T992] lock_sock_nested+0xfe/0x120 [ 528.691294][ T992] virtio_transport_release+0xc4/0xd50 [ 528.696839][ T992] ? virtio_transport_close_timeout+0x220/0x220 [ 528.703083][ T992] ? rcu_read_lock_held+0x9c/0xb0 [ 528.708183][ T992] ? __kasan_check_read+0x11/0x20 [ 528.713213][ T992] vsock_assign_transport+0xea/0x330 [ 528.718562][ T992] vsock_stream_connect+0x2b3/0xc70 [ 528.723774][ T992] ? tomoyo_socket_listen_permission+0x3b0/0x3b0 [ 528.730200][ T992] ? vsock_dgram_connect+0x470/0x470 [ 528.735491][ T992] ? finish_wait+0x260/0x260 [ 528.740154][ T992] ? apparmor_socket_connect+0xb6/0x160 [ 528.745704][ T992] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 528.752018][ T992] __sys_connect_file+0x25d/0x2e0 [ 528.757103][ T992] ? __ia32_sys_accept+0xb0/0xb0 [ 528.762030][ T992] ? rcu_lockdep_current_cpu_online+0xe3/0x130 [ 528.768231][ T992] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 528.773778][ T992] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 528.779863][ T992] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 528.786111][ T992] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 528.792445][ T992] ? __fget_light+0x1a9/0x230 [ 528.797171][ T992] __sys_connect+0x51/0x90 [ 528.801578][ T992] __x64_sys_connect+0x73/0xb0 [ 528.806323][ T992] do_syscall_64+0xfa/0x790 [ 528.810894][ T992] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 528.816814][ T992] RIP: 0033:0x4412c9 [ 528.820694][ T992] Code: Bad RIP value. [ 528.824734][ T992] RSP: 002b:00007ffd05daaa48 EFLAGS: 00000246 ORIG_RAX: 000000000000002a [ 528.833191][ T992] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004412c9 [ 528.841195][ T992] RDX: 0000000000000010 RSI: 00000000200000c0 RDI: 0000000000000003 [ 528.849293][ T992] RBP: 00000000006cb018 R08: 00000000004002c8 R09: 00000000004002c8 [ 528.857302][ T992] R10: 00000000004002c8 R11: 0000000000000246 R12: 0000000000402040 [ 528.865339][ T992] R13: 00000000004020d0 R14: 0000000000000000 R15: 0000000000000000 [ 528.873409][ T992] INFO: task syz-executor954:8992 blocked for more than 144 seconds. [ 528.881518][ T992] Not tainted 5.4.0-syzkaller #0 [ 528.887041][ T992] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 528.895709][ T992] syz-executor954 D28160 8992 8986 0x00000004 [ 528.902124][ T992] Call Trace: [ 528.905411][ T992] __schedule+0x8e1/0x1f30 [ 528.909908][ T992] ? __sched_text_start+0x8/0x8 [ 528.914882][ T992] ? lockdep_hardirqs_on+0x421/0x5e0 [ 528.920223][ T992] ? __lock_sock+0x160/0x290 [ 528.924811][ T992] ? trace_hardirqs_on+0x67/0x240 [ 528.929965][ T992] schedule+0xdc/0x2b0 [ 528.934040][ T992] __lock_sock+0x165/0x290 [ 528.938515][ T992] ? __sk_dst_check+0x2e0/0x2e0 [ 528.943430][ T992] ? finish_wait+0x260/0x260 [ 528.948126][ T992] lock_sock_nested+0xfe/0x120 [ 528.952896][ T992] virtio_transport_release+0xc4/0xd50 [ 528.958431][ T992] ? virtio_transport_close_timeout+0x220/0x220 [ 528.964687][ T992] ? rcu_read_lock_held+0x9c/0xb0 [ 528.969799][ T992] ? __kasan_check_read+0x11/0x20 [ 528.974864][ T992] vsock_assign_transport+0xea/0x330 [ 528.980201][ T992] vsock_stream_connect+0x2b3/0xc70 [ 528.985412][ T992] ? tomoyo_socket_listen_permission+0x3b0/0x3b0 [ 528.991815][ T992] ? vsock_dgram_connect+0x470/0x470 [ 528.997137][ T992] ? finish_wait+0x260/0x260 [ 529.001710][ T992] ? apparmor_socket_connect+0xb6/0x160 [ 529.007314][ T992] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 529.015573][ T992] __sys_connect_file+0x25d/0x2e0 [ 529.020921][ T992] ? __ia32_sys_accept+0xb0/0xb0 [ 529.025850][ T992] ? rcu_lockdep_current_cpu_online+0xe3/0x130 [ 529.032081][ T992] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 529.037665][ T992] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 529.043631][ T992] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 529.049940][ T992] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 529.056175][ T992] ? __fget_light+0x1a9/0x230 [ 529.060897][ T992] __sys_connect+0x51/0x90 [ 529.065315][ T992] __x64_sys_connect+0x73/0xb0 [ 529.070127][ T992] do_syscall_64+0xfa/0x790 [ 529.074634][ T992] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 529.080564][ T992] RIP: 0033:0x4412c9 [ 529.084461][ T992] Code: Bad RIP value. [ 529.088586][ T992] RSP: 002b:00007ffd05daaa48 EFLAGS: 00000246 ORIG_RAX: 000000000000002a [ 529.097038][ T992] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004412c9 [ 529.106120][ T992] RDX: 0000000000000010 RSI: 00000000200000c0 RDI: 0000000000000003 [ 529.114143][ T992] RBP: 00000000006cb018 R08: 00000000004002c8 R09: 00000000004002c8 [ 529.122150][ T992] R10: 00000000004002c8 R11: 0000000000000246 R12: 0000000000402040 [ 529.130233][ T992] R13: 00000000004020d0 R14: 0000000000000000 R15: 0000000000000000 [ 529.138256][ T992] INFO: task syz-executor954:8993 blocked for more than 144 seconds. [ 529.146295][ T992] Not tainted 5.4.0-syzkaller #0 [ 529.151800][ T992] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 529.160504][ T992] syz-executor954 D28160 8993 8984 0x00000004 [ 529.166885][ T992] Call Trace: [ 529.170178][ T992] __schedule+0x8e1/0x1f30 [ 529.174576][ T992] ? __sched_text_start+0x8/0x8 [ 529.179481][ T992] ? lockdep_hardirqs_on+0x421/0x5e0 [ 529.184768][ T992] ? __lock_sock+0x160/0x290 [ 529.189520][ T992] ? trace_hardirqs_on+0x67/0x240 [ 529.195958][ T992] schedule+0xdc/0x2b0 [ 529.200085][ T992] __lock_sock+0x165/0x290 [ 529.204502][ T992] ? __sk_dst_check+0x2e0/0x2e0 [ 529.209413][ T992] ? finish_wait+0x260/0x260 [ 529.214022][ T992] lock_sock_nested+0xfe/0x120 [ 529.218854][ T992] virtio_transport_release+0xc4/0xd50 [ 529.224332][ T992] ? virtio_transport_close_timeout+0x220/0x220 [ 529.230649][ T992] ? rcu_read_lock_held+0x9c/0xb0 [ 529.235678][ T992] ? __kasan_check_read+0x11/0x20 [ 529.240758][ T992] vsock_assign_transport+0xea/0x330 [ 529.246041][ T992] vsock_stream_connect+0x2b3/0xc70 [ 529.251407][ T992] ? tomoyo_socket_listen_permission+0x3b0/0x3b0 [ 529.257821][ T992] ? vsock_dgram_connect+0x470/0x470 [ 529.263097][ T992] ? finish_wait+0x260/0x260 [ 529.267903][ T992] ? apparmor_socket_connect+0xb6/0x160 [ 529.273461][ T992] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 529.279761][ T992] __sys_connect_file+0x25d/0x2e0 [ 529.285540][ T992] ? __ia32_sys_accept+0xb0/0xb0 [ 529.290620][ T992] ? rcu_lockdep_current_cpu_online+0xe3/0x130 [ 529.296842][ T992] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 529.302374][ T992] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 529.308439][ T992] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 529.314696][ T992] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 529.320992][ T992] ? __fget_light+0x1a9/0x230 [ 529.325736][ T992] __sys_connect+0x51/0x90 [ 529.330215][ T992] __x64_sys_connect+0x73/0xb0 [ 529.335007][ T992] do_syscall_64+0xfa/0x790 [ 529.339569][ T992] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 529.345451][ T992] RIP: 0033:0x4412c9 [ 529.349415][ T992] Code: Bad RIP value. [ 529.353476][ T992] RSP: 002b:00007ffd05daaa48 EFLAGS: 00000246 ORIG_RAX: 000000000000002a [ 529.361935][ T992] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004412c9 [ 529.370209][ T992] RDX: 0000000000000010 RSI: 00000000200000c0 RDI: 0000000000000003 [ 529.378213][ T992] RBP: 00000000006cb018 R08: 00000000004002c8 R09: 00000000004002c8 [ 529.386182][ T992] R10: 00000000004002c8 R11: 0000000000000246 R12: 0000000000402040 [ 529.394223][ T992] R13: 00000000004020d0 R14: 0000000000000000 R15: 0000000000000000 [ 529.402254][ T992] INFO: task syz-executor954:8994 blocked for more than 144 seconds. [ 529.410389][ T992] Not tainted 5.4.0-syzkaller #0 [ 529.415836][ T992] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 529.424546][ T992] syz-executor954 D28160 8994 8987 0x00000004 [ 529.430948][ T992] Call Trace: [ 529.435185][ T992] __schedule+0x8e1/0x1f30 [ 529.439641][ T992] ? __sched_text_start+0x8/0x8 [ 529.444502][ T992] ? lockdep_hardirqs_on+0x421/0x5e0 [ 529.449867][ T992] ? __lock_sock+0x160/0x290 [ 529.454456][ T992] ? trace_hardirqs_on+0x67/0x240 [ 529.459550][ T992] schedule+0xdc/0x2b0 [ 529.463617][ T992] __lock_sock+0x165/0x290 [ 529.468088][ T992] ? __sk_dst_check+0x2e0/0x2e0 [ 529.472936][ T992] ? finish_wait+0x260/0x260 [ 529.477603][ T992] lock_sock_nested+0xfe/0x120 [ 529.482386][ T992] virtio_transport_release+0xc4/0xd50 [ 529.487904][ T992] ? virtio_transport_close_timeout+0x220/0x220 [ 529.494143][ T992] ? rcu_read_lock_held+0x9c/0xb0 [ 529.499213][ T992] ? __kasan_check_read+0x11/0x20 [ 529.504241][ T992] vsock_assign_transport+0xea/0x330 [ 529.509581][ T992] vsock_stream_connect+0x2b3/0xc70 [ 529.514836][ T992] ? tomoyo_socket_listen_permission+0x3b0/0x3b0 [ 529.521250][ T992] ? vsock_dgram_connect+0x470/0x470 [ 529.526586][ T992] ? finish_wait+0x260/0x260 [ 529.531161][ T992] ? apparmor_socket_connect+0xb6/0x160 [ 529.536767][ T992] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 529.543018][ T992] __sys_connect_file+0x25d/0x2e0 [ 529.548120][ T992] ? __ia32_sys_accept+0xb0/0xb0 [ 529.553065][ T992] ? rcu_lockdep_current_cpu_online+0xe3/0x130 [ 529.559301][ T992] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 529.564846][ T992] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 529.570901][ T992] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 529.577175][ T992] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 529.583422][ T992] ? __fget_light+0x1a9/0x230 [ 529.588209][ T992] __sys_connect+0x51/0x90 [ 529.592632][ T992] __x64_sys_connect+0x73/0xb0 [ 529.597467][ T992] do_syscall_64+0xfa/0x790 [ 529.601980][ T992] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 529.607948][ T992] RIP: 0033:0x4412c9 [ 529.611858][ T992] Code: Bad RIP value. [ 529.615904][ T992] RSP: 002b:00007ffd05daaa48 EFLAGS: 00000246 ORIG_RAX: 000000000000002a [ 529.624464][ T992] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004412c9 [ 529.632482][ T992] RDX: 0000000000000010 RSI: 00000000200000c0 RDI: 0000000000000003 [ 529.640507][ T992] RBP: 00000000006cb018 R08: 00000000004002c8 R09: 00000000004002c8 [ 529.648515][ T992] R10: 00000000004002c8 R11: 0000000000000246 R12: 0000000000402040 [ 529.656523][ T992] R13: 00000000004020d0 R14: 0000000000000000 R15: 0000000000000000 [ 529.664496][ T992] [ 529.664496][ T992] Showing all locks held in the system: [ 529.672286][ T992] 1 lock held by khungtaskd/992: [ 529.677243][ T992] #0: ffffffff895a4080 (rcu_read_lock){....}, at: debug_show_all_locks+0x5f/0x279 [ 529.686629][ T992] 2 locks held by getty/8958: [ 529.691293][ T992] #0: ffff88809641c090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 529.700284][ T992] #1: ffffc90005f552e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1c10 [ 529.709991][ T992] 2 locks held by getty/8959: [ 529.714645][ T992] #0: ffff888096a83090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 529.723684][ T992] #1: ffffc90005f5d2e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1c10 [ 529.733313][ T992] 2 locks held by getty/8960: [ 529.738389][ T992] #0: ffff888095eda090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 529.747651][ T992] #1: ffffc90005f452e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1c10 [ 529.757448][ T992] 2 locks held by getty/8961: [ 529.762162][ T992] #0: ffff8880a0f80090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 529.771183][ T992] #1: ffffc90005f592e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1c10 [ 529.780820][ T992] 2 locks held by getty/8962: [ 529.785474][ T992] #0: ffff888097f99090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 529.794479][ T992] #1: ffffc90005f632e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1c10 [ 529.804102][ T992] 2 locks held by getty/8963: [ 529.808830][ T992] #0: ffff88809641d090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 529.817820][ T992] #1: ffffc90005f672e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1c10 [ 529.827436][ T992] 2 locks held by getty/8964: [ 529.832202][ T992] #0: ffff888093a7a090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 529.841230][ T992] #1: ffffc90005f352e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1c10 [ 529.851833][ T992] 1 lock held by syz-executor954/8985: [ 529.857350][ T992] #0: ffff8880962a98d0 (sk_lock-AF_VSOCK){+.+.}, at: vsock_stream_connect+0xfb/0xc70 [ 529.866996][ T992] 1 lock held by syz-executor954/8990: [ 529.872478][ T992] #0: ffff8880a7554910 (sk_lock-AF_VSOCK){+.+.}, at: vsock_stream_connect+0xfb/0xc70 [ 529.885826][ T992] 1 lock held by syz-executor954/8991: [ 529.891329][ T992] #0: ffff8880a7554190 (sk_lock-AF_VSOCK){+.+.}, at: vsock_stream_connect+0xfb/0xc70 [ 529.900932][ T992] 1 lock held by syz-executor954/8992: [ 529.906382][ T992] #0: ffff8880a077b950 (sk_lock-AF_VSOCK){+.+.}, at: vsock_stream_connect+0xfb/0xc70 [ 529.916016][ T992] 1 lock held by syz-executor954/8993: [ 529.921953][ T992] #0: ffff8880a61d3890 (sk_lock-AF_VSOCK){+.+.}, at: vsock_stream_connect+0xfb/0xc70 [ 529.931950][ T992] 1 lock held by syz-executor954/8994: [ 529.937468][ T992] #0: ffff8880962a9150 (sk_lock-AF_VSOCK){+.+.}, at: vsock_stream_connect+0xfb/0xc70 [ 529.947131][ T992] [ 529.949448][ T992] ============================================= [ 529.949448][ T992] [ 529.957912][ T992] NMI backtrace for cpu 1 [ 529.962248][ T992] CPU: 1 PID: 992 Comm: khungtaskd Not tainted 5.4.0-syzkaller #0 [ 529.970039][ T992] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 529.980285][ T992] Call Trace: [ 529.983681][ T992] dump_stack+0x197/0x210 [ 529.987999][ T992] nmi_cpu_backtrace.cold+0x70/0xb2 [ 529.993366][ T992] ? vprintk_func+0x86/0x189 [ 529.997985][ T992] ? lapic_can_unplug_cpu.cold+0x3a/0x3a [ 530.003606][ T992] nmi_trigger_cpumask_backtrace+0x23b/0x28b [ 530.009594][ T992] arch_trigger_cpumask_backtrace+0x14/0x20 [ 530.015664][ T992] watchdog+0xb11/0x10c0 [ 530.019925][ T992] kthread+0x361/0x430 [ 530.023974][ T992] ? reset_hung_task_detector+0x30/0x30 [ 530.030974][ T992] ? kthread_mod_delayed_work+0x1f0/0x1f0 [ 530.036671][ T992] ret_from_fork+0x24/0x30 [ 530.041206][ T992] Sending NMI from CPU 1 to CPUs 0: [ 530.046477][ C0] NMI backtrace for cpu 0 skipped: idling at native_safe_halt+0xe/0x10 [ 530.047410][ T992] Kernel panic - not syncing: hung_task: blocked tasks [ 530.062951][ T992] CPU: 1 PID: 992 Comm: khungtaskd Not tainted 5.4.0-syzkaller #0 [ 530.070767][ T992] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 530.080817][ T992] Call Trace: [ 530.084119][ T992] dump_stack+0x197/0x210 [ 530.088494][ T992] panic+0x2e3/0x75c [ 530.092372][ T992] ? add_taint.cold+0x16/0x16 [ 530.097201][ T992] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 530.103160][ T992] ? printk_safe_flush+0xf2/0x140 [ 530.108172][ T992] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 530.114436][ T992] ? nmi_trigger_cpumask_backtrace+0x224/0x28b [ 530.120572][ T992] ? nmi_trigger_cpumask_backtrace+0x21b/0x28b [ 530.126815][ T992] watchdog+0xb22/0x10c0 [ 530.131054][ T992] kthread+0x361/0x430 [ 530.135102][ T992] ? reset_hung_task_detector+0x30/0x30 [ 530.140638][ T992] ? kthread_mod_delayed_work+0x1f0/0x1f0 [ 530.146338][ T992] ret_from_fork+0x24/0x30 [ 530.152471][ T992] Kernel Offset: disabled [ 530.156806][ T992] Rebooting in 86400 seconds..