Warning: Permanently added '10.128.1.21' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program syzkaller login: [ 569.691240][ T1127] INFO: task syz-executor440:9697 blocked for more than 143 seconds. [ 569.699589][ T1127] Not tainted 5.6.0-rc2-syzkaller #0 [ 569.705638][ T1127] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 569.714328][ T1127] syz-executor440 D29408 9697 9690 0x00004004 [ 569.720645][ T1127] Call Trace: [ 569.724116][ T1127] __schedule+0x934/0x1f90 [ 569.728561][ T1127] ? __sched_text_start+0x8/0x8 [ 569.733492][ T1127] ? preempt_schedule+0x4b/0x60 [ 569.738348][ T1127] schedule+0xdc/0x2b0 [ 569.742545][ T1127] __lock_sock+0x165/0x290 [ 569.746976][ T1127] ? __sk_dst_check+0x2e0/0x2e0 [ 569.751914][ T1127] ? finish_wait+0x260/0x260 [ 569.756528][ T1127] lock_sock_nested+0xfe/0x120 [ 569.761389][ T1127] virtio_transport_release+0xc4/0xd60 [ 569.766875][ T1127] ? virtio_transport_close_timeout+0x220/0x220 [ 569.773358][ T1127] ? rcu_read_lock_held+0x9c/0xb0 [ 569.778403][ T1127] ? __kasan_check_read+0x11/0x20 [ 569.783520][ T1127] vsock_assign_transport+0xf3/0x3b0 [ 569.788811][ T1127] vsock_stream_connect+0x2b3/0xc70 [ 569.794093][ T1127] ? tomoyo_socket_listen_permission+0x3b0/0x3b0 [ 569.800857][ T1127] ? vsock_dgram_connect+0x470/0x470 [ 569.806187][ T1127] ? finish_wait+0x260/0x260 [ 569.810815][ T1127] ? apparmor_socket_connect+0xb6/0x160 [ 569.817045][ T1127] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 569.823354][ T1127] __sys_connect_file+0x161/0x1c0 [ 569.828497][ T1127] ? move_addr_to_kernel.part.0+0xcd/0x110 [ 569.834410][ T1127] __sys_connect+0x174/0x1b0 [ 569.839068][ T1127] ? __sys_connect_file+0x1c0/0x1c0 [ 569.844418][ T1127] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 569.850468][ T1127] ? __x64_sys_futex+0x404/0x590 [ 569.855510][ T1127] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 569.860973][ T1127] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 569.866511][ T1127] ? do_syscall_64+0x26/0x790 [ 569.871277][ T1127] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 569.877339][ T1127] ? do_syscall_64+0x26/0x790 [ 569.882139][ T1127] __x64_sys_connect+0x73/0xb0 [ 569.886931][ T1127] do_syscall_64+0xfa/0x790 [ 569.891538][ T1127] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 569.897432][ T1127] RIP: 0033:0x4467b9 [ 569.901426][ T1127] Code: Bad RIP value. [ 569.905493][ T1127] RSP: 002b:00007fa1f60a5db8 EFLAGS: 00000246 ORIG_RAX: 000000000000002a [ 569.914001][ T1127] RAX: ffffffffffffffda RBX: 00000000006dbc28 RCX: 00000000004467b9 [ 569.922012][ T1127] RDX: 0000000000000010 RSI: 0000000020000440 RDI: 0000000000000003 [ 569.929970][ T1127] RBP: 00000000006dbc20 R08: 0000000000000000 R09: 0000000000000000 [ 569.937990][ T1127] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc2c [ 569.946565][ T1127] R13: 00007fffbcf55b1f R14: 00007fa1f60a69c0 R15: 000000000000002d [ 569.954707][ T1127] INFO: task syz-executor440:9703 blocked for more than 143 seconds. [ 569.962812][ T1127] Not tainted 5.6.0-rc2-syzkaller #0 [ 569.968597][ T1127] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 569.977307][ T1127] syz-executor440 D29680 9703 9693 0x00000004 [ 569.983806][ T1127] Call Trace: [ 569.987097][ T1127] __schedule+0x934/0x1f90 [ 569.991569][ T1127] ? __sched_text_start+0x8/0x8 [ 569.996429][ T1127] ? lockdep_hardirqs_on+0x421/0x5e0 [ 570.001765][ T1127] ? __lock_sock+0x160/0x290 [ 570.006417][ T1127] ? trace_hardirqs_on+0x67/0x240 [ 570.011489][ T1127] schedule+0xdc/0x2b0 [ 570.015585][ T1127] __lock_sock+0x165/0x290 [ 570.019988][ T1127] ? __sk_dst_check+0x2e0/0x2e0 [ 570.024881][ T1127] ? finish_wait+0x260/0x260 [ 570.029488][ T1127] lock_sock_nested+0xfe/0x120 [ 570.034304][ T1127] virtio_transport_release+0xc4/0xd60 [ 570.039770][ T1127] ? virtio_transport_close_timeout+0x220/0x220 [ 570.046059][ T1127] ? rcu_read_lock_held+0x9c/0xb0 [ 570.051139][ T1127] ? __kasan_check_read+0x11/0x20 [ 570.056152][ T1127] vsock_assign_transport+0xf3/0x3b0 [ 570.061479][ T1127] vsock_stream_connect+0x2b3/0xc70 [ 570.066674][ T1127] ? tomoyo_socket_listen_permission+0x3b0/0x3b0 [ 570.073645][ T1127] ? vsock_dgram_connect+0x470/0x470 [ 570.078941][ T1127] ? finish_wait+0x260/0x260 [ 570.083581][ T1127] ? apparmor_socket_connect+0xb6/0x160 [ 570.089166][ T1127] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 570.095538][ T1127] __sys_connect_file+0x161/0x1c0 [ 570.100566][ T1127] ? move_addr_to_kernel.part.0+0xcd/0x110 [ 570.106516][ T1127] __sys_connect+0x174/0x1b0 [ 570.111177][ T1127] ? __sys_connect_file+0x1c0/0x1c0 [ 570.116363][ T1127] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 570.122386][ T1127] ? __x64_sys_futex+0x404/0x590 [ 570.127470][ T1127] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 570.133011][ T1127] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 570.138512][ T1127] ? do_syscall_64+0x26/0x790 [ 570.143242][ T1127] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 570.149413][ T1127] ? do_syscall_64+0x26/0x790 [ 570.154276][ T1127] __x64_sys_connect+0x73/0xb0 [ 570.159091][ T1127] do_syscall_64+0xfa/0x790 [ 570.163759][ T1127] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 570.169956][ T1127] RIP: 0033:0x4467b9 [ 570.173906][ T1127] Code: Bad RIP value. [ 570.178178][ T1127] RSP: 002b:00007fa1f60a5db8 EFLAGS: 00000246 ORIG_RAX: 000000000000002a [ 570.186628][ T1127] RAX: ffffffffffffffda RBX: 00000000006dbc28 RCX: 00000000004467b9 [ 570.194757][ T1127] RDX: 0000000000000010 RSI: 0000000020000440 RDI: 0000000000000003 [ 570.203407][ T1127] RBP: 00000000006dbc20 R08: 0000000000000000 R09: 0000000000000000 [ 570.211412][ T1127] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc2c [ 570.219375][ T1127] R13: 00007fffbcf55b1f R14: 00007fa1f60a69c0 R15: 000000000000002d [ 570.227419][ T1127] INFO: task syz-executor440:9705 blocked for more than 143 seconds. [ 570.235505][ T1127] Not tainted 5.6.0-rc2-syzkaller #0 [ 570.241337][ T1127] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 570.249998][ T1127] syz-executor440 D28680 9705 9694 0x00000004 [ 570.256396][ T1127] Call Trace: [ 570.259807][ T1127] __schedule+0x934/0x1f90 [ 570.264333][ T1127] ? __sched_text_start+0x8/0x8 [ 570.269195][ T1127] ? lockdep_hardirqs_on+0x421/0x5e0 [ 570.274532][ T1127] ? __lock_sock+0x160/0x290 [ 570.279126][ T1127] ? trace_hardirqs_on+0x67/0x240 [ 570.284211][ T1127] schedule+0xdc/0x2b0 [ 570.288290][ T1127] __lock_sock+0x165/0x290 [ 570.292769][ T1127] ? __sk_dst_check+0x2e0/0x2e0 [ 570.297675][ T1127] ? finish_wait+0x260/0x260 [ 570.302390][ T1127] lock_sock_nested+0xfe/0x120 [ 570.307183][ T1127] virtio_transport_release+0xc4/0xd60 [ 570.312688][ T1127] ? virtio_transport_close_timeout+0x220/0x220 [ 570.319122][ T1127] ? rcu_read_lock_held+0x9c/0xb0 [ 570.324212][ T1127] ? __kasan_check_read+0x11/0x20 [ 570.329245][ T1127] vsock_assign_transport+0xf3/0x3b0 [ 570.335185][ T1127] vsock_stream_connect+0x2b3/0xc70 [ 570.340375][ T1127] ? tomoyo_socket_listen_permission+0x3b0/0x3b0 [ 570.346755][ T1127] ? vsock_dgram_connect+0x470/0x470 [ 570.352093][ T1127] ? finish_wait+0x260/0x260 [ 570.356665][ T1127] ? apparmor_socket_connect+0xb6/0x160 [ 570.362250][ T1127] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 570.368509][ T1127] __sys_connect_file+0x161/0x1c0 [ 570.373668][ T1127] ? move_addr_to_kernel.part.0+0xcd/0x110 [ 570.379488][ T1127] __sys_connect+0x174/0x1b0 [ 570.384142][ T1127] ? __sys_connect_file+0x1c0/0x1c0 [ 570.389465][ T1127] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 570.395497][ T1127] ? __x64_sys_futex+0x404/0x590 [ 570.400447][ T1127] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 570.406168][ T1127] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 570.411670][ T1127] ? do_syscall_64+0x26/0x790 [ 570.416348][ T1127] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 570.422452][ T1127] ? do_syscall_64+0x26/0x790 [ 570.427169][ T1127] __x64_sys_connect+0x73/0xb0 [ 570.431970][ T1127] do_syscall_64+0xfa/0x790 [ 570.436489][ T1127] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 570.442419][ T1127] RIP: 0033:0x4467b9 [ 570.446317][ T1127] Code: Bad RIP value. [ 570.450362][ T1127] RSP: 002b:00007fa1f60a5db8 EFLAGS: 00000246 ORIG_RAX: 000000000000002a [ 570.458808][ T1127] RAX: ffffffffffffffda RBX: 00000000006dbc28 RCX: 00000000004467b9 [ 570.467341][ T1127] RDX: 0000000000000010 RSI: 0000000020000440 RDI: 0000000000000003 [ 570.475365][ T1127] RBP: 00000000006dbc20 R08: 0000000000000000 R09: 0000000000000000 [ 570.483366][ T1127] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc2c [ 570.491372][ T1127] R13: 00007fffbcf55b1f R14: 00007fa1f60a69c0 R15: 000000000000002d [ 570.499360][ T1127] INFO: task syz-executor440:9704 blocked for more than 144 seconds. [ 570.507469][ T1127] Not tainted 5.6.0-rc2-syzkaller #0 [ 570.513288][ T1127] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 570.521988][ T1127] syz-executor440 D29080 9704 9696 0x00000004 [ 570.528335][ T1127] Call Trace: [ 570.531684][ T1127] __schedule+0x934/0x1f90 [ 570.536149][ T1127] ? __sched_text_start+0x8/0x8 [ 570.540987][ T1127] ? lockdep_hardirqs_on+0x421/0x5e0 [ 570.546391][ T1127] ? __lock_sock+0x160/0x290 [ 570.551077][ T1127] ? trace_hardirqs_on+0x67/0x240 [ 570.556100][ T1127] schedule+0xdc/0x2b0 [ 570.560152][ T1127] __lock_sock+0x165/0x290 [ 570.564643][ T1127] ? __sk_dst_check+0x2e0/0x2e0 [ 570.569507][ T1127] ? finish_wait+0x260/0x260 [ 570.574280][ T1127] lock_sock_nested+0xfe/0x120 [ 570.579055][ T1127] virtio_transport_release+0xc4/0xd60 [ 570.584577][ T1127] ? virtio_transport_close_timeout+0x220/0x220 [ 570.590873][ T1127] ? rcu_read_lock_held+0x9c/0xb0 [ 570.596570][ T1127] ? __kasan_check_read+0x11/0x20 [ 570.601658][ T1127] vsock_assign_transport+0xf3/0x3b0 [ 570.606951][ T1127] vsock_stream_connect+0x2b3/0xc70 [ 570.612404][ T1127] ? tomoyo_socket_listen_permission+0x3b0/0x3b0 [ 570.618731][ T1127] ? vsock_dgram_connect+0x470/0x470 [ 570.624067][ T1127] ? finish_wait+0x260/0x260 [ 570.628662][ T1127] ? apparmor_socket_connect+0xb6/0x160 [ 570.634345][ T1127] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 570.640849][ T1127] __sys_connect_file+0x161/0x1c0 [ 570.645918][ T1127] ? move_addr_to_kernel.part.0+0xcd/0x110 [ 570.651768][ T1127] __sys_connect+0x174/0x1b0 [ 570.656351][ T1127] ? __sys_connect_file+0x1c0/0x1c0 [ 570.661596][ T1127] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 570.667588][ T1127] ? __x64_sys_futex+0x404/0x590 [ 570.672569][ T1127] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 570.678029][ T1127] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 570.683552][ T1127] ? do_syscall_64+0x26/0x790 [ 570.688229][ T1127] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 570.694438][ T1127] ? do_syscall_64+0x26/0x790 [ 570.699120][ T1127] __x64_sys_connect+0x73/0xb0 [ 570.703939][ T1127] do_syscall_64+0xfa/0x790 [ 570.708449][ T1127] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 570.714369][ T1127] RIP: 0033:0x4467b9 [ 570.718263][ T1127] Code: Bad RIP value. [ 570.722951][ T1127] RSP: 002b:00007fa1f60a5db8 EFLAGS: 00000246 ORIG_RAX: 000000000000002a [ 570.731394][ T1127] RAX: ffffffffffffffda RBX: 00000000006dbc28 RCX: 00000000004467b9 [ 570.739374][ T1127] RDX: 0000000000000010 RSI: 0000000020000440 RDI: 0000000000000003 [ 570.747393][ T1127] RBP: 00000000006dbc20 R08: 0000000000000000 R09: 0000000000000000 [ 570.755391][ T1127] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc2c [ 570.763393][ T1127] R13: 00007fffbcf55b1f R14: 00007fa1f60a69c0 R15: 000000000000002d [ 570.771421][ T1127] INFO: task syz-executor440:9706 blocked for more than 144 seconds. [ 570.779475][ T1127] Not tainted 5.6.0-rc2-syzkaller #0 [ 570.785307][ T1127] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 570.794022][ T1127] syz-executor440 D29040 9706 9695 0x00000004 [ 570.800347][ T1127] Call Trace: [ 570.803681][ T1127] __schedule+0x934/0x1f90 [ 570.808110][ T1127] ? __sched_text_start+0x8/0x8 [ 570.813012][ T1127] ? lockdep_hardirqs_on+0x421/0x5e0 [ 570.818316][ T1127] ? __lock_sock+0x160/0x290 [ 570.823136][ T1127] ? trace_hardirqs_on+0x67/0x240 [ 570.828169][ T1127] schedule+0xdc/0x2b0 [ 570.832280][ T1127] __lock_sock+0x165/0x290 [ 570.836717][ T1127] ? __sk_dst_check+0x2e0/0x2e0 [ 570.841606][ T1127] ? finish_wait+0x260/0x260 [ 570.846232][ T1127] lock_sock_nested+0xfe/0x120 [ 570.850978][ T1127] virtio_transport_release+0xc4/0xd60 [ 570.857024][ T1127] ? virtio_transport_close_timeout+0x220/0x220 [ 570.863326][ T1127] ? rcu_read_lock_held+0x9c/0xb0 [ 570.868369][ T1127] ? __kasan_check_read+0x11/0x20 [ 570.873446][ T1127] vsock_assign_transport+0xf3/0x3b0 [ 570.878748][ T1127] vsock_stream_connect+0x2b3/0xc70 [ 570.883998][ T1127] ? tomoyo_socket_listen_permission+0x3b0/0x3b0 [ 570.890329][ T1127] ? vsock_dgram_connect+0x470/0x470 [ 570.895685][ T1127] ? finish_wait+0x260/0x260 [ 570.900286][ T1127] ? apparmor_socket_connect+0xb6/0x160 [ 570.906095][ T1127] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 570.912379][ T1127] __sys_connect_file+0x161/0x1c0 [ 570.917445][ T1127] ? move_addr_to_kernel.part.0+0xcd/0x110 [ 570.923303][ T1127] __sys_connect+0x174/0x1b0 [ 570.927903][ T1127] ? __sys_connect_file+0x1c0/0x1c0 [ 570.933286][ T1127] ? __x64_sys_futex+0x404/0x590 [ 570.938244][ T1127] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 570.943795][ T1127] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 570.949254][ T1127] ? do_syscall_64+0x26/0x790 [ 570.953982][ T1127] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 570.960054][ T1127] ? do_syscall_64+0x26/0x790 [ 570.964850][ T1127] __x64_sys_connect+0x73/0xb0 [ 570.969626][ T1127] do_syscall_64+0xfa/0x790 [ 570.974336][ T1127] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 570.980245][ T1127] RIP: 0033:0x4467b9 [ 570.984858][ T1127] Code: Bad RIP value. [ 570.988916][ T1127] RSP: 002b:00007fa1f60a5db8 EFLAGS: 00000246 ORIG_RAX: 000000000000002a [ 570.997384][ T1127] RAX: ffffffffffffffda RBX: 00000000006dbc28 RCX: 00000000004467b9 [ 571.005457][ T1127] RDX: 0000000000000010 RSI: 0000000020000440 RDI: 0000000000000003 [ 571.013468][ T1127] RBP: 00000000006dbc20 R08: 0000000000000000 R09: 0000000000000000 [ 571.021493][ T1127] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc2c [ 571.029465][ T1127] R13: 00007fffbcf55b1f R14: 00007fa1f60a69c0 R15: 000000000000002d [ 571.037695][ T1127] INFO: task syz-executor440:9707 blocked for more than 144 seconds. [ 571.045952][ T1127] Not tainted 5.6.0-rc2-syzkaller #0 [ 571.052016][ T1127] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 571.060675][ T1127] syz-executor440 D29680 9707 9691 0x00000004 [ 571.067080][ T1127] Call Trace: [ 571.070378][ T1127] __schedule+0x934/0x1f90 [ 571.074952][ T1127] ? __sched_text_start+0x8/0x8 [ 571.079832][ T1127] ? lockdep_hardirqs_on+0x421/0x5e0 [ 571.085181][ T1127] ? __lock_sock+0x160/0x290 [ 571.089770][ T1127] ? trace_hardirqs_on+0x67/0x240 [ 571.094846][ T1127] schedule+0xdc/0x2b0 [ 571.098922][ T1127] __lock_sock+0x165/0x290 [ 571.103450][ T1127] ? __sk_dst_check+0x2e0/0x2e0 [ 571.108303][ T1127] ? finish_wait+0x260/0x260 [ 571.113596][ T1127] lock_sock_nested+0xfe/0x120 [ 571.118402][ T1127] virtio_transport_release+0xc4/0xd60 [ 571.123916][ T1127] ? virtio_transport_close_timeout+0x220/0x220 [ 571.130206][ T1127] ? rcu_read_lock_held+0x9c/0xb0 [ 571.135283][ T1127] ? __kasan_check_read+0x11/0x20 [ 571.141686][ T1127] vsock_assign_transport+0xf3/0x3b0 [ 571.146974][ T1127] vsock_stream_connect+0x2b3/0xc70 [ 571.152284][ T1127] ? tomoyo_socket_listen_permission+0x3b0/0x3b0 [ 571.158617][ T1127] ? vsock_dgram_connect+0x470/0x470 [ 571.163972][ T1127] ? finish_wait+0x260/0x260 [ 571.168616][ T1127] ? apparmor_socket_connect+0xb6/0x160 [ 571.174206][ T1127] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 571.180457][ T1127] __sys_connect_file+0x161/0x1c0 [ 571.185541][ T1127] ? move_addr_to_kernel.part.0+0xcd/0x110 [ 571.191390][ T1127] __sys_connect+0x174/0x1b0 [ 571.195990][ T1127] ? __sys_connect_file+0x1c0/0x1c0 [ 571.201284][ T1127] ? __x64_sys_futex+0x404/0x590 [ 571.206235][ T1127] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 571.211726][ T1127] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 571.217274][ T1127] ? do_syscall_64+0x26/0x790 [ 571.221994][ T1127] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 571.228055][ T1127] ? do_syscall_64+0x26/0x790 [ 571.232779][ T1127] __x64_sys_connect+0x73/0xb0 [ 571.237560][ T1127] do_syscall_64+0xfa/0x790 [ 571.242789][ T1127] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 571.248666][ T1127] RIP: 0033:0x4467b9 [ 571.252683][ T1127] Code: Bad RIP value. [ 571.256803][ T1127] RSP: 002b:00007fa1f60a5db8 EFLAGS: 00000246 ORIG_RAX: 000000000000002a [ 571.265251][ T1127] RAX: ffffffffffffffda RBX: 00000000006dbc28 RCX: 00000000004467b9 [ 571.273259][ T1127] RDX: 0000000000000010 RSI: 0000000020000440 RDI: 0000000000000003 [ 571.281280][ T1127] RBP: 00000000006dbc20 R08: 0000000000000000 R09: 0000000000000000 [ 571.289263][ T1127] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc2c [ 571.297287][ T1127] R13: 00007fffbcf55b1f R14: 00007fa1f60a69c0 R15: 000000000000002d [ 571.305410][ T1127] [ 571.305410][ T1127] Showing all locks held in the system: [ 571.313219][ T1127] 1 lock held by khungtaskd/1127: [ 571.318281][ T1127] #0: ffffffff89bac240 (rcu_read_lock){....}, at: debug_show_all_locks+0x5f/0x279 [ 571.327716][ T1127] 2 locks held by rsyslogd/9574: [ 571.332681][ T1127] #0: ffff888097071b60 (&f->f_pos_lock){+.+.}, at: __fdget_pos+0xee/0x110 [ 571.341339][ T1127] #1: ffffffff89ba1278 (log_wait.lock){-...}, at: is_bpf_image_address+0x0/0x290 [ 571.350635][ T1127] 2 locks held by getty/9664: [ 571.355344][ T1127] #0: ffff8880a38ec090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 571.364326][ T1127] #1: ffffc9000187b2e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x220/0x1bf0 [ 571.374571][ T1127] 2 locks held by getty/9665: [ 571.379232][ T1127] #0: ffff8880a4af0090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 571.388220][ T1127] #1: ffffc9000188b2e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x220/0x1bf0 [ 571.398034][ T1127] 2 locks held by getty/9666: [ 571.402749][ T1127] #0: ffff88809a18b090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 571.411736][ T1127] #1: ffffc900017fb2e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x220/0x1bf0 [ 571.421324][ T1127] 2 locks held by getty/9667: [ 571.426009][ T1127] #0: ffff8880a6905090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 571.434974][ T1127] #1: ffffc9000189b2e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x220/0x1bf0 [ 571.444646][ T1127] 2 locks held by getty/9668: [ 571.449349][ T1127] #0: ffff88809f528090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 571.458542][ T1127] #1: ffffc9000186b2e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x220/0x1bf0 [ 571.468204][ T1127] 2 locks held by getty/9669: [ 571.472955][ T1127] #0: ffff8880a209c090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 571.481989][ T1127] #1: ffffc9000183b2e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x220/0x1bf0 [ 571.491591][ T1127] 2 locks held by getty/9670: [ 571.496266][ T1127] #0: ffff8880a739c090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 571.505929][ T1127] #1: ffffc900017db2e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x220/0x1bf0 [ 571.515562][ T1127] 1 lock held by syz-executor440/9697: [ 571.521085][ T1127] #0: ffff8880a73268d0 (sk_lock-AF_VSOCK){+.+.}, at: vsock_stream_connect+0xfb/0xc70 [ 571.530645][ T1127] 1 lock held by syz-executor440/9703: [ 571.536151][ T1127] #0: ffff88809f729910 (sk_lock-AF_VSOCK){+.+.}, at: vsock_stream_connect+0xfb/0xc70 [ 571.545746][ T1127] 1 lock held by syz-executor440/9705: [ 571.551241][ T1127] #0: ffff8880a7326150 (sk_lock-AF_VSOCK){+.+.}, at: vsock_stream_connect+0xfb/0xc70 [ 571.560812][ T1127] 1 lock held by syz-executor440/9704: [ 571.566444][ T1127] #0: ffff8880939ba950 (sk_lock-AF_VSOCK){+.+.}, at: vsock_stream_connect+0xfb/0xc70 [ 571.576033][ T1127] 1 lock held by syz-executor440/9706: [ 571.583557][ T1127] #0: ffff88809f729190 (sk_lock-AF_VSOCK){+.+.}, at: vsock_stream_connect+0xfb/0xc70 [ 571.593161][ T1127] 1 lock held by syz-executor440/9707: [ 571.598635][ T1127] #0: ffff88809f21c890 (sk_lock-AF_VSOCK){+.+.}, at: vsock_stream_connect+0xfb/0xc70 [ 571.608274][ T1127] [ 571.610599][ T1127] ============================================= [ 571.610599][ T1127] [ 571.619564][ T1127] NMI backtrace for cpu 1 [ 571.623948][ T1127] CPU: 1 PID: 1127 Comm: khungtaskd Not tainted 5.6.0-rc2-syzkaller #0 [ 571.632180][ T1127] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 571.642215][ T1127] Call Trace: [ 571.645536][ T1127] dump_stack+0x197/0x210 [ 571.649859][ T1127] nmi_cpu_backtrace.cold+0x70/0xb2 [ 571.655065][ T1127] ? vprintk_func+0x86/0x189 [ 571.659666][ T1127] ? lapic_can_unplug_cpu.cold+0x3a/0x3a [ 571.665302][ T1127] nmi_trigger_cpumask_backtrace+0x23b/0x28b [ 571.671302][ T1127] arch_trigger_cpumask_backtrace+0x14/0x20 [ 571.677177][ T1127] watchdog+0xb11/0x10c0 [ 571.681438][ T1127] kthread+0x361/0x430 [ 571.685489][ T1127] ? reset_hung_task_detector+0x30/0x30 [ 571.691015][ T1127] ? kthread_mod_delayed_work+0x1f0/0x1f0 [ 571.696755][ T1127] ret_from_fork+0x24/0x30 [ 571.701271][ T1127] Sending NMI from CPU 1 to CPUs 0: [ 571.706569][ C0] NMI backtrace for cpu 0 skipped: idling at native_safe_halt+0xe/0x10 [ 571.711467][ T1127] Kernel panic - not syncing: hung_task: blocked tasks [ 571.721737][ T1127] CPU: 1 PID: 1127 Comm: khungtaskd Not tainted 5.6.0-rc2-syzkaller #0 [ 571.729988][ T1127] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 571.740128][ T1127] Call Trace: [ 571.743413][ T1127] dump_stack+0x197/0x210 [ 571.747781][ T1127] panic+0x2e3/0x75c [ 571.751665][ T1127] ? add_taint.cold+0x16/0x16 [ 571.756325][ T1127] ? lapic_can_unplug_cpu.cold+0x3a/0x3a [ 571.761992][ T1127] ? ___preempt_schedule+0x16/0x18 [ 571.767138][ T1127] ? nmi_trigger_cpumask_backtrace+0x21b/0x28b [ 571.773272][ T1127] ? nmi_trigger_cpumask_backtrace+0x24c/0x28b [ 571.779405][ T1127] ? nmi_trigger_cpumask_backtrace+0x256/0x28b [ 571.785577][ T1127] ? nmi_trigger_cpumask_backtrace+0x21b/0x28b [ 571.791716][ T1127] watchdog+0xb22/0x10c0 [ 571.795984][ T1127] kthread+0x361/0x430 [ 571.800085][ T1127] ? reset_hung_task_detector+0x30/0x30 [ 571.805620][ T1127] ? kthread_mod_delayed_work+0x1f0/0x1f0 [ 571.811322][ T1127] ret_from_fork+0x24/0x30 [ 571.817203][ T1127] Kernel Offset: disabled [ 571.821532][ T1127] Rebooting in 86400 seconds..