[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 57.434861][ T26] audit: type=1800 audit(1574821133.182:25): pid=8651 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 57.473311][ T26] audit: type=1800 audit(1574821133.182:26): pid=8651 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 57.513704][ T26] audit: type=1800 audit(1574821133.182:27): pid=8651 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [....] 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 Warning: Permanently added '10.128.0.13' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program syzkaller login: [ 524.243265][ T1070] INFO: task syz-executor887:8807 blocked for more than 143 seconds. [ 524.251461][ T1070] Not tainted 5.4.0-syzkaller #0 [ 524.257701][ T1070] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 524.268469][ T1070] syz-executor887 D27400 8807 8805 0x20020004 [ 524.275157][ T1070] Call Trace: [ 524.278586][ T1070] __schedule+0x909/0x1ee0 [ 524.283014][ T1070] ? __sched_text_start+0x8/0x8 [ 524.288070][ T1070] ? lockdep_hardirqs_on+0x421/0x5e0 [ 524.293518][ T1070] ? __lock_sock+0x160/0x290 [ 524.298224][ T1070] ? trace_hardirqs_on+0x67/0x240 [ 524.303332][ T1070] schedule+0xdc/0x2b0 [ 524.307414][ T1070] __lock_sock+0x165/0x290 [ 524.312213][ T1070] ? __sk_dst_check+0x2e0/0x2e0 [ 524.317817][ T1070] ? finish_wait+0x260/0x260 [ 524.322432][ T1070] lock_sock_nested+0xfe/0x120 [ 524.327420][ T1070] virtio_transport_release+0xc4/0xcb0 [ 524.332934][ T1070] ? virtio_transport_close_timeout+0x130/0x130 [ 524.339260][ T1070] ? __local_bh_enable_ip+0x15a/0x270 [ 524.344852][ T1070] ? lock_sock_nested+0xe2/0x120 [ 524.349796][ T1070] ? __local_bh_enable_ip+0x15a/0x270 [ 524.355411][ T1070] ? lockdep_hardirqs_on+0x421/0x5e0 [ 524.360717][ T1070] ? lock_sock_nested+0x9a/0x120 [ 524.365737][ T1070] ? trace_hardirqs_on+0x67/0x240 [ 524.370762][ T1070] ? lock_sock_nested+0x9a/0x120 [ 524.375771][ T1070] vsock_assign_transport+0xea/0x330 [ 524.381073][ T1070] vsock_stream_connect+0x2b3/0xbe0 [ 524.386656][ T1070] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 524.392906][ T1070] ? vsock_dgram_connect+0x470/0x470 [ 524.398266][ T1070] ? debug_lockdep_rcu_enabled+0x71/0xa0 [ 524.404132][ T1070] ? finish_wait+0x260/0x260 [ 524.408820][ T1070] ? apparmor_socket_connect+0xb6/0x160 [ 524.414496][ T1070] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 524.420828][ T1070] __sys_connect+0x264/0x330 [ 524.425585][ T1070] ? __ia32_sys_accept+0xb0/0xb0 [ 524.430526][ T1070] ? rcu_lockdep_current_cpu_online+0xe3/0x130 [ 524.436747][ T1070] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 524.442302][ T1070] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 524.448969][ T1070] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 524.455444][ T1070] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 524.462319][ T1070] ? trace_hardirqs_on_thunk+0x1a/0x20 [ 524.468980][ T1070] ? do_fast_syscall_32+0xd1/0xdb3 [ 524.474351][ T1070] ? entry_SYSENTER_compat+0x70/0x7f [ 524.479636][ T1070] ? do_fast_syscall_32+0xd1/0xdb3 [ 524.484983][ T1070] __ia32_sys_connect+0x72/0xb0 [ 524.490022][ T1070] do_fast_syscall_32+0x27b/0xdb3 [ 524.495099][ T1070] entry_SYSENTER_compat+0x70/0x7f [ 524.500220][ T1070] RIP: 0023:0xf7f4aa39 [ 524.504353][ T1070] Code: Bad RIP value. [ 524.508422][ T1070] RSP: 002b:00000000ffd06c6c EFLAGS: 00000213 ORIG_RAX: 000000000000016a [ 524.517054][ T1070] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000020000000 [ 524.525085][ T1070] RDX: 0000000000000010 RSI: 000000000000016a RDI: 0000000000000003 [ 524.533108][ T1070] RBP: 00000000200000c0 R08: 0000000000000000 R09: 0000000000000000 [ 524.541076][ T1070] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 524.549174][ T1070] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 524.557356][ T1070] INFO: task syz-executor887:8812 blocked for more than 143 seconds. [ 524.565874][ T1070] Not tainted 5.4.0-syzkaller #0 [ 524.571360][ T1070] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 524.580731][ T1070] syz-executor887 D27680 8812 8809 0x20020004 [ 524.587139][ T1070] Call Trace: [ 524.590433][ T1070] __schedule+0x909/0x1ee0 [ 524.594931][ T1070] ? __sched_text_start+0x8/0x8 [ 524.599784][ T1070] ? lockdep_hardirqs_on+0x421/0x5e0 [ 524.605495][ T1070] ? __lock_sock+0x160/0x290 [ 524.610084][ T1070] ? trace_hardirqs_on+0x67/0x240 [ 524.615162][ T1070] schedule+0xdc/0x2b0 [ 524.619243][ T1070] __lock_sock+0x165/0x290 [ 524.623731][ T1070] ? __sk_dst_check+0x2e0/0x2e0 [ 524.628621][ T1070] ? finish_wait+0x260/0x260 [ 524.633271][ T1070] lock_sock_nested+0xfe/0x120 [ 524.638029][ T1070] virtio_transport_release+0xc4/0xcb0 [ 524.643561][ T1070] ? virtio_transport_close_timeout+0x130/0x130 [ 524.649809][ T1070] ? __local_bh_enable_ip+0x15a/0x270 [ 524.655242][ T1070] ? lock_sock_nested+0xe2/0x120 [ 524.660180][ T1070] ? __local_bh_enable_ip+0x15a/0x270 [ 524.665656][ T1070] ? lockdep_hardirqs_on+0x421/0x5e0 [ 524.670938][ T1070] ? lock_sock_nested+0x9a/0x120 [ 524.675922][ T1070] ? trace_hardirqs_on+0x67/0x240 [ 524.680961][ T1070] ? lock_sock_nested+0x9a/0x120 [ 524.685964][ T1070] vsock_assign_transport+0xea/0x330 [ 524.691258][ T1070] vsock_stream_connect+0x2b3/0xbe0 [ 524.696506][ T1070] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 524.702749][ T1070] ? vsock_dgram_connect+0x470/0x470 [ 524.708715][ T1070] ? debug_lockdep_rcu_enabled+0x71/0xa0 [ 524.714412][ T1070] ? finish_wait+0x260/0x260 [ 524.719012][ T1070] ? apparmor_socket_connect+0xb6/0x160 [ 524.724638][ T1070] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 524.730882][ T1070] __sys_connect+0x264/0x330 [ 524.735527][ T1070] ? __ia32_sys_accept+0xb0/0xb0 [ 524.740462][ T1070] ? rcu_lockdep_current_cpu_online+0xe3/0x130 [ 524.746693][ T1070] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 524.752254][ T1070] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 524.758390][ T1070] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 524.764774][ T1070] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 524.771024][ T1070] ? trace_hardirqs_on_thunk+0x1a/0x20 [ 524.776656][ T1070] ? do_fast_syscall_32+0xd1/0xdb3 [ 524.781770][ T1070] ? entry_SYSENTER_compat+0x70/0x7f [ 524.787135][ T1070] ? do_fast_syscall_32+0xd1/0xdb3 [ 524.792249][ T1070] __ia32_sys_connect+0x72/0xb0 [ 524.797188][ T1070] do_fast_syscall_32+0x27b/0xdb3 [ 524.802268][ T1070] entry_SYSENTER_compat+0x70/0x7f [ 524.807486][ T1070] RIP: 0023:0xf7f4aa39 [ 524.811555][ T1070] Code: Bad RIP value. [ 524.815850][ T1070] RSP: 002b:00000000ffd06c6c EFLAGS: 00000213 ORIG_RAX: 000000000000016a [ 524.824334][ T1070] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000020000000 [ 524.832295][ T1070] RDX: 0000000000000010 RSI: 000000000000016a RDI: 0000000000000003 [ 524.840951][ T1070] RBP: 00000000200000c0 R08: 0000000000000000 R09: 0000000000000000 [ 524.849004][ T1070] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 524.857044][ T1070] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 524.865095][ T1070] INFO: task syz-executor887:8813 blocked for more than 143 seconds. [ 524.873194][ T1070] Not tainted 5.4.0-syzkaller #0 [ 524.878638][ T1070] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 524.887647][ T1070] syz-executor887 D28144 8813 8811 0x20020004 [ 524.894074][ T1070] Call Trace: [ 524.897368][ T1070] __schedule+0x909/0x1ee0 [ 524.901938][ T1070] ? __sched_text_start+0x8/0x8 [ 524.906892][ T1070] ? lockdep_hardirqs_on+0x421/0x5e0 [ 524.912206][ T1070] ? __lock_sock+0x160/0x290 [ 524.916879][ T1070] ? trace_hardirqs_on+0x67/0x240 [ 524.921909][ T1070] schedule+0xdc/0x2b0 [ 524.926063][ T1070] __lock_sock+0x165/0x290 [ 524.930483][ T1070] ? __sk_dst_check+0x2e0/0x2e0 [ 524.935392][ T1070] ? finish_wait+0x260/0x260 [ 524.940087][ T1070] lock_sock_nested+0xfe/0x120 [ 524.944950][ T1070] virtio_transport_release+0xc4/0xcb0 [ 524.950444][ T1070] ? virtio_transport_close_timeout+0x130/0x130 [ 524.956844][ T1070] ? __local_bh_enable_ip+0x15a/0x270 [ 524.962230][ T1070] ? lock_sock_nested+0xe2/0x120 [ 524.967837][ T1070] ? __local_bh_enable_ip+0x15a/0x270 [ 524.973279][ T1070] ? lockdep_hardirqs_on+0x421/0x5e0 [ 524.978576][ T1070] ? lock_sock_nested+0x9a/0x120 [ 524.983578][ T1070] ? trace_hardirqs_on+0x67/0x240 [ 524.988599][ T1070] ? lock_sock_nested+0x9a/0x120 [ 524.993593][ T1070] vsock_assign_transport+0xea/0x330 [ 524.998875][ T1070] vsock_stream_connect+0x2b3/0xbe0 [ 525.004165][ T1070] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 525.010415][ T1070] ? vsock_dgram_connect+0x470/0x470 [ 525.015765][ T1070] ? debug_lockdep_rcu_enabled+0x71/0xa0 [ 525.021400][ T1070] ? finish_wait+0x260/0x260 [ 525.026064][ T1070] ? apparmor_socket_connect+0xb6/0x160 [ 525.031610][ T1070] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 525.037916][ T1070] __sys_connect+0x264/0x330 [ 525.042518][ T1070] ? __ia32_sys_accept+0xb0/0xb0 [ 525.047519][ T1070] ? rcu_lockdep_current_cpu_online+0xe3/0x130 [ 525.053736][ T1070] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 525.059456][ T1070] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 525.065489][ T1070] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 525.071738][ T1070] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 525.078031][ T1070] ? trace_hardirqs_on_thunk+0x1a/0x20 [ 525.083552][ T1070] ? do_fast_syscall_32+0xd1/0xdb3 [ 525.088646][ T1070] ? entry_SYSENTER_compat+0x70/0x7f [ 525.094623][ T1070] ? do_fast_syscall_32+0xd1/0xdb3 [ 525.099727][ T1070] __ia32_sys_connect+0x72/0xb0 [ 525.104638][ T1070] do_fast_syscall_32+0x27b/0xdb3 [ 525.109667][ T1070] entry_SYSENTER_compat+0x70/0x7f [ 525.114827][ T1070] RIP: 0023:0xf7f4aa39 [ 525.118985][ T1070] Code: Bad RIP value. [ 525.123104][ T1070] RSP: 002b:00000000ffd06c6c EFLAGS: 00000213 ORIG_RAX: 000000000000016a [ 525.131519][ T1070] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000020000000 [ 525.139543][ T1070] RDX: 0000000000000010 RSI: 000000000000016a RDI: 0000000000000003 [ 525.147580][ T1070] RBP: 00000000200000c0 R08: 0000000000000000 R09: 0000000000000000 [ 525.155611][ T1070] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 525.163650][ T1070] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 525.171640][ T1070] INFO: task syz-executor887:8814 blocked for more than 144 seconds. [ 525.179747][ T1070] Not tainted 5.4.0-syzkaller #0 [ 525.185240][ T1070] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 525.194033][ T1070] syz-executor887 D28144 8814 8806 0x20020004 [ 525.200370][ T1070] Call Trace: [ 525.204051][ T1070] __schedule+0x909/0x1ee0 [ 525.208481][ T1070] ? __sched_text_start+0x8/0x8 [ 525.213415][ T1070] ? lockdep_hardirqs_on+0x421/0x5e0 [ 525.218700][ T1070] ? __lock_sock+0x160/0x290 [ 525.223979][ T1070] ? trace_hardirqs_on+0x67/0x240 [ 525.228998][ T1070] schedule+0xdc/0x2b0 [ 525.233109][ T1070] __lock_sock+0x165/0x290 [ 525.237520][ T1070] ? __sk_dst_check+0x2e0/0x2e0 [ 525.242352][ T1070] ? finish_wait+0x260/0x260 [ 525.247019][ T1070] lock_sock_nested+0xfe/0x120 [ 525.251791][ T1070] virtio_transport_release+0xc4/0xcb0 [ 525.257301][ T1070] ? virtio_transport_close_timeout+0x130/0x130 [ 525.263589][ T1070] ? __local_bh_enable_ip+0x15a/0x270 [ 525.268946][ T1070] ? lock_sock_nested+0xe2/0x120 [ 525.273923][ T1070] ? __local_bh_enable_ip+0x15a/0x270 [ 525.279291][ T1070] ? lockdep_hardirqs_on+0x421/0x5e0 [ 525.284633][ T1070] ? lock_sock_nested+0x9a/0x120 [ 525.289567][ T1070] ? trace_hardirqs_on+0x67/0x240 [ 525.294634][ T1070] ? lock_sock_nested+0x9a/0x120 [ 525.299568][ T1070] vsock_assign_transport+0xea/0x330 [ 525.304927][ T1070] vsock_stream_connect+0x2b3/0xbe0 [ 525.310120][ T1070] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 525.316408][ T1070] ? vsock_dgram_connect+0x470/0x470 [ 525.321689][ T1070] ? debug_lockdep_rcu_enabled+0x71/0xa0 [ 525.327383][ T1070] ? finish_wait+0x260/0x260 [ 525.331969][ T1070] ? apparmor_socket_connect+0xb6/0x160 [ 525.337561][ T1070] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 525.343877][ T1070] __sys_connect+0x264/0x330 [ 525.348459][ T1070] ? __ia32_sys_accept+0xb0/0xb0 [ 525.354583][ T1070] ? rcu_lockdep_current_cpu_online+0xe3/0x130 [ 525.360748][ T1070] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 525.366354][ T1070] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 525.372361][ T1070] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 525.378755][ T1070] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 525.385057][ T1070] ? trace_hardirqs_on_thunk+0x1a/0x20 [ 525.390649][ T1070] ? do_fast_syscall_32+0xd1/0xdb3 [ 525.395810][ T1070] ? entry_SYSENTER_compat+0x70/0x7f [ 525.401090][ T1070] ? do_fast_syscall_32+0xd1/0xdb3 [ 525.406287][ T1070] __ia32_sys_connect+0x72/0xb0 [ 525.411159][ T1070] do_fast_syscall_32+0x27b/0xdb3 [ 525.416246][ T1070] entry_SYSENTER_compat+0x70/0x7f [ 525.421351][ T1070] RIP: 0023:0xf7f4aa39 [ 525.425662][ T1070] Code: Bad RIP value. [ 525.429718][ T1070] RSP: 002b:00000000ffd06c6c EFLAGS: 00000213 ORIG_RAX: 000000000000016a [ 525.438387][ T1070] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000020000000 [ 525.446413][ T1070] RDX: 0000000000000010 RSI: 000000000000016a RDI: 0000000000000003 [ 525.454422][ T1070] RBP: 00000000200000c0 R08: 0000000000000000 R09: 0000000000000000 [ 525.462399][ T1070] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 525.470436][ T1070] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 525.478451][ T1070] INFO: task syz-executor887:8815 blocked for more than 144 seconds. [ 525.487176][ T1070] Not tainted 5.4.0-syzkaller #0 [ 525.492881][ T1070] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 525.501689][ T1070] syz-executor887 D28144 8815 8808 0x20020004 [ 525.508076][ T1070] Call Trace: [ 525.511371][ T1070] __schedule+0x909/0x1ee0 [ 525.515982][ T1070] ? __sched_text_start+0x8/0x8 [ 525.520863][ T1070] ? lockdep_hardirqs_on+0x421/0x5e0 [ 525.526223][ T1070] ? __lock_sock+0x160/0x290 [ 525.530824][ T1070] ? trace_hardirqs_on+0x67/0x240 [ 525.536004][ T1070] schedule+0xdc/0x2b0 [ 525.540225][ T1070] __lock_sock+0x165/0x290 [ 525.544755][ T1070] ? __sk_dst_check+0x2e0/0x2e0 [ 525.549624][ T1070] ? finish_wait+0x260/0x260 [ 525.554297][ T1070] lock_sock_nested+0xfe/0x120 [ 525.559065][ T1070] virtio_transport_release+0xc4/0xcb0 [ 525.564603][ T1070] ? virtio_transport_close_timeout+0x130/0x130 [ 525.570856][ T1070] ? __local_bh_enable_ip+0x15a/0x270 [ 525.576288][ T1070] ? lock_sock_nested+0xe2/0x120 [ 525.581223][ T1070] ? __local_bh_enable_ip+0x15a/0x270 [ 525.586734][ T1070] ? lockdep_hardirqs_on+0x421/0x5e0 [ 525.592030][ T1070] ? lock_sock_nested+0x9a/0x120 [ 525.597041][ T1070] ? trace_hardirqs_on+0x67/0x240 [ 525.602108][ T1070] ? lock_sock_nested+0x9a/0x120 [ 525.607126][ T1070] vsock_assign_transport+0xea/0x330 [ 525.612418][ T1070] vsock_stream_connect+0x2b3/0xbe0 [ 525.618279][ T1070] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 525.624590][ T1070] ? vsock_dgram_connect+0x470/0x470 [ 525.629876][ T1070] ? debug_lockdep_rcu_enabled+0x71/0xa0 [ 525.635557][ T1070] ? finish_wait+0x260/0x260 [ 525.640142][ T1070] ? apparmor_socket_connect+0xb6/0x160 [ 525.645749][ T1070] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 525.651992][ T1070] __sys_connect+0x264/0x330 [ 525.656629][ T1070] ? __ia32_sys_accept+0xb0/0xb0 [ 525.661573][ T1070] ? rcu_lockdep_current_cpu_online+0xe3/0x130 [ 525.667854][ T1070] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 525.673448][ T1070] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 525.679450][ T1070] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 525.685758][ T1070] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 525.692003][ T1070] ? trace_hardirqs_on_thunk+0x1a/0x20 [ 525.697508][ T1070] ? do_fast_syscall_32+0xd1/0xdb3 [ 525.702614][ T1070] ? entry_SYSENTER_compat+0x70/0x7f [ 525.707960][ T1070] ? do_fast_syscall_32+0xd1/0xdb3 [ 525.713101][ T1070] __ia32_sys_connect+0x72/0xb0 [ 525.717941][ T1070] do_fast_syscall_32+0x27b/0xdb3 [ 525.722964][ T1070] entry_SYSENTER_compat+0x70/0x7f [ 525.728126][ T1070] RIP: 0023:0xf7f4aa39 [ 525.732194][ T1070] Code: Bad RIP value. [ 525.736294][ T1070] RSP: 002b:00000000ffd06c6c EFLAGS: 00000213 ORIG_RAX: 000000000000016a [ 525.745250][ T1070] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000020000000 [ 525.753253][ T1070] RDX: 0000000000000010 RSI: 000000000000016a RDI: 0000000000000003 [ 525.761217][ T1070] RBP: 00000000200000c0 R08: 0000000000000000 R09: 0000000000000000 [ 525.769254][ T1070] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 525.777270][ T1070] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 525.785317][ T1070] INFO: task syz-executor887:8816 blocked for more than 144 seconds. [ 525.793413][ T1070] Not tainted 5.4.0-syzkaller #0 [ 525.798845][ T1070] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 525.807563][ T1070] syz-executor887 D28144 8816 8810 0x20020004 [ 525.813920][ T1070] Call Trace: [ 525.817198][ T1070] __schedule+0x909/0x1ee0 [ 525.821685][ T1070] ? __sched_text_start+0x8/0x8 [ 525.826584][ T1070] ? lockdep_hardirqs_on+0x421/0x5e0 [ 525.831864][ T1070] ? __lock_sock+0x160/0x290 [ 525.836501][ T1070] ? trace_hardirqs_on+0x67/0x240 [ 525.841534][ T1070] schedule+0xdc/0x2b0 [ 525.845676][ T1070] __lock_sock+0x165/0x290 [ 525.850095][ T1070] ? __sk_dst_check+0x2e0/0x2e0 [ 525.854990][ T1070] ? finish_wait+0x260/0x260 [ 525.859579][ T1070] lock_sock_nested+0xfe/0x120 [ 525.864401][ T1070] virtio_transport_release+0xc4/0xcb0 [ 525.869863][ T1070] ? virtio_transport_close_timeout+0x130/0x130 [ 525.876927][ T1070] ? __local_bh_enable_ip+0x15a/0x270 [ 525.882326][ T1070] ? lock_sock_nested+0xe2/0x120 [ 525.888548][ T1070] ? __local_bh_enable_ip+0x15a/0x270 [ 525.893974][ T1070] ? lockdep_hardirqs_on+0x421/0x5e0 [ 525.899271][ T1070] ? lock_sock_nested+0x9a/0x120 [ 525.904301][ T1070] ? trace_hardirqs_on+0x67/0x240 [ 525.909329][ T1070] ? lock_sock_nested+0x9a/0x120 [ 525.914833][ T1070] vsock_assign_transport+0xea/0x330 [ 525.920145][ T1070] vsock_stream_connect+0x2b3/0xbe0 [ 525.925524][ T1070] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 525.931861][ T1070] ? vsock_dgram_connect+0x470/0x470 [ 525.937513][ T1070] ? debug_lockdep_rcu_enabled+0x71/0xa0 [ 525.943218][ T1070] ? finish_wait+0x260/0x260 [ 525.947793][ T1070] ? apparmor_socket_connect+0xb6/0x160 [ 525.953378][ T1070] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 525.959614][ T1070] __sys_connect+0x264/0x330 [ 525.964270][ T1070] ? __ia32_sys_accept+0xb0/0xb0 [ 525.969204][ T1070] ? rcu_lockdep_current_cpu_online+0xe3/0x130 [ 525.975479][ T1070] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 525.981064][ T1070] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 525.987186][ T1070] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 525.993648][ T1070] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 525.999890][ T1070] ? trace_hardirqs_on_thunk+0x1a/0x20 [ 526.006185][ T1070] ? do_fast_syscall_32+0xd1/0xdb3 [ 526.011315][ T1070] ? entry_SYSENTER_compat+0x70/0x7f [ 526.016669][ T1070] ? do_fast_syscall_32+0xd1/0xdb3 [ 526.021781][ T1070] __ia32_sys_connect+0x72/0xb0 [ 526.026703][ T1070] do_fast_syscall_32+0x27b/0xdb3 [ 526.031727][ T1070] entry_SYSENTER_compat+0x70/0x7f [ 526.036890][ T1070] RIP: 0023:0xf7f4aa39 [ 526.040958][ T1070] Code: Bad RIP value. [ 526.045085][ T1070] RSP: 002b:00000000ffd06c6c EFLAGS: 00000213 ORIG_RAX: 000000000000016a [ 526.053528][ T1070] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000020000000 [ 526.061566][ T1070] RDX: 0000000000000010 RSI: 000000000000016a RDI: 0000000000000003 [ 526.069904][ T1070] RBP: 00000000200000c0 R08: 0000000000000000 R09: 0000000000000000 [ 526.077931][ T1070] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 526.086257][ T1070] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 526.094274][ T1070] [ 526.094274][ T1070] Showing all locks held in the system: [ 526.101989][ T1070] 1 lock held by khungtaskd/1070: [ 526.107124][ T1070] #0: ffffffff88fac3c0 (rcu_read_lock){....}, at: debug_show_all_locks+0x5f/0x27e [ 526.116520][ T1070] 1 lock held by rsyslogd/8689: [ 526.121552][ T1070] #0: ffff8880a7962e20 (&f->f_pos_lock){+.+.}, at: __fdget_pos+0xee/0x110 [ 526.130316][ T1070] 3 locks held by getty/8779: [ 526.135584][ T1070] #0: ffff8880a0ec2160 (&f->f_pos_lock){+.+.}, at: __fdget_pos+0xee/0x110 [ 526.144256][ T1070] #1: ffff88809a689090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 526.153338][ T1070] #2: ffffc90005f3d2e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1c10 [ 526.162965][ T1070] 3 locks held by getty/8780: [ 526.167691][ T1070] #0: ffff888098d80ba0 (&f->f_pos_lock){+.+.}, at: __fdget_pos+0xee/0x110 [ 526.176347][ T1070] #1: ffff8880a7b40090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 526.185356][ T1070] #2: ffffc90005f452e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1c10 [ 526.194967][ T1070] 3 locks held by getty/8781: [ 526.199633][ T1070] #0: ffff88809146e0e0 (&f->f_pos_lock){+.+.}, at: __fdget_pos+0xee/0x110 [ 526.208394][ T1070] #1: ffff88809cb27090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 526.217413][ T1070] #2: ffffc90005f492e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1c10 [ 526.227038][ T1070] 3 locks held by getty/8782: [ 526.231708][ T1070] #0: ffff88808e5c0de0 (&f->f_pos_lock){+.+.}, at: __fdget_pos+0xee/0x110 [ 526.240634][ T1070] #1: ffff8880a4bb1090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 526.249655][ T1070] #2: ffffc90005f212e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1c10 [ 526.259280][ T1070] 3 locks held by getty/8783: [ 526.264571][ T1070] #0: ffff8880a5872b60 (&f->f_pos_lock){+.+.}, at: __fdget_pos+0xee/0x110 [ 526.273231][ T1070] #1: ffff8880a4369090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 526.282180][ T1070] #2: ffffc90005f352e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1c10 [ 526.291820][ T1070] 3 locks held by getty/8784: [ 526.296525][ T1070] #0: ffff8880a9ba8e20 (&f->f_pos_lock){+.+.}, at: __fdget_pos+0xee/0x110 [ 526.305180][ T1070] #1: ffff88809931f090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 526.314178][ T1070] #2: ffffc90005f2d2e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1c10 [ 526.323791][ T1070] 3 locks held by getty/8785: [ 526.328464][ T1070] #0: ffff8880961d0b20 (&f->f_pos_lock){+.+.}, at: __fdget_pos+0xee/0x110 [ 526.337146][ T1070] #1: ffff8880a79dc090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 526.346179][ T1070] #2: ffffc90005f192e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1c10 [ 526.355802][ T1070] 1 lock held by syz-executor887/8807: [ 526.361359][ T1070] #0: ffff8880920ea8d0 (sk_lock-AF_VSOCK){+.+.}, at: vsock_stream_connect+0xfb/0xbe0 [ 526.371037][ T1070] 1 lock held by syz-executor887/8812: [ 526.376569][ T1070] #0: ffff8880a90d7910 (sk_lock-AF_VSOCK){+.+.}, at: vsock_stream_connect+0xfb/0xbe0 [ 526.386204][ T1070] 1 lock held by syz-executor887/8813: [ 526.391649][ T1070] #0: ffff8880920ea150 (sk_lock-AF_VSOCK){+.+.}, at: vsock_stream_connect+0xfb/0xbe0 [ 526.401971][ T1070] 1 lock held by syz-executor887/8814: [ 526.407500][ T1070] #0: ffff8880a90d7190 (sk_lock-AF_VSOCK){+.+.}, at: vsock_stream_connect+0xfb/0xbe0 [ 526.417123][ T1070] 1 lock held by syz-executor887/8815: [ 526.422647][ T1070] #0: ffff888095be8890 (sk_lock-AF_VSOCK){+.+.}, at: vsock_stream_connect+0xfb/0xbe0 [ 526.432271][ T1070] 1 lock held by syz-executor887/8816: [ 526.437750][ T1070] #0: ffff8880a4bd3950 (sk_lock-AF_VSOCK){+.+.}, at: vsock_stream_connect+0xfb/0xbe0 [ 526.447369][ T1070] [ 526.449692][ T1070] ============================================= [ 526.449692][ T1070] [ 526.458148][ T1070] NMI backtrace for cpu 1 [ 526.462473][ T1070] CPU: 1 PID: 1070 Comm: khungtaskd Not tainted 5.4.0-syzkaller #0 [ 526.470436][ T1070] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 526.480468][ T1070] Call Trace: [ 526.483770][ T1070] dump_stack+0x197/0x210 [ 526.488081][ T1070] nmi_cpu_backtrace.cold+0x70/0xb2 [ 526.493256][ T1070] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 526.499489][ T1070] ? lapic_can_unplug_cpu.cold+0x3a/0x3a [ 526.505111][ T1070] nmi_trigger_cpumask_backtrace+0x23b/0x28b [ 526.511081][ T1070] arch_trigger_cpumask_backtrace+0x14/0x20 [ 526.516964][ T1070] watchdog+0x9d0/0xef0 [ 526.521202][ T1070] kthread+0x361/0x430 [ 526.525277][ T1070] ? reset_hung_task_detector+0x30/0x30 [ 526.530804][ T1070] ? kthread_mod_delayed_work+0x1f0/0x1f0 [ 526.536510][ T1070] ret_from_fork+0x24/0x30 [ 526.541089][ T1070] Sending NMI from CPU 1 to CPUs 0: [ 526.546868][ C0] NMI backtrace for cpu 0 [ 526.546873][ C0] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.4.0-syzkaller #0 [ 526.546879][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 526.546883][ C0] RIP: 0010:rebalance_domains+0x71f/0xba0 [ 526.546893][ C0] Code: 83 e0 07 83 c0 03 38 c8 7c 08 84 c9 0f 85 d6 03 00 00 44 8b 85 6c ff ff ff 41 8b 47 48 45 85 c0 48 89 c7 74 05 89 d7 0f af f8 <4c> 89 95 40 ff ff ff e8 f5 44 0e 00 b9 01 00 00 00 8b b5 48 ff ff [ 526.546897][ C0] RSP: 0018:ffff8880ae809d18 EFLAGS: 00000246 [ 526.546905][ C0] RAX: 0000000000000002 RBX: 000000000000d0e8 RCX: 0000000000000000 [ 526.546909][ C0] RDX: 0000000000000020 RSI: ffff8880a9943c48 RDI: 0000000000000002 [ 526.546914][ C0] RBP: ffff8880ae809df8 R08: 0000000000000000 R09: dffffc0000000000 [ 526.546919][ C0] R10: fffffbfff11c1200 R11: 0000000000000000 R12: 0000000000000001 [ 526.546924][ C0] R13: 0000000000000000 R14: 0000000100006f56 R15: ffff8880a9943c00 [ 526.546929][ C0] FS: 0000000000000000(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 526.546934][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 526.546938][ C0] CR2: 0000000001f2c000 CR3: 000000009c96f000 CR4: 00000000001406f0 [ 526.546943][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 526.546948][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 526.546950][ C0] Call Trace: [ 526.546953][ C0] [ 526.546956][ C0] ? load_balance+0x26b0/0x26b0 [ 526.546960][ C0] _nohz_idle_balance+0x336/0x3f0 [ 526.546963][ C0] run_rebalance_domains+0x1c6/0x2d0 [ 526.546967][ C0] __do_softirq+0x262/0x98c [ 526.546970][ C0] ? sched_clock_cpu+0x1b/0x1b0 [ 526.546973][ C0] irq_exit+0x19b/0x1e0 [ 526.546977][ C0] scheduler_ipi+0x3ae/0x640 [ 526.546980][ C0] smp_reschedule_interrupt+0x78/0x4c0 [ 526.546984][ C0] reschedule_interrupt+0xf/0x20 [ 526.546986][ C0] [ 526.546990][ C0] RIP: 0010:native_safe_halt+0xe/0x10 [ 526.547000][ C0] Code: 28 c2 59 fa eb 8a 90 90 90 90 90 90 e9 07 00 00 00 0f 00 2d 94 e7 51 00 f4 c3 66 90 e9 07 00 00 00 0f 00 2d 84 e7 51 00 fb f4 90 55 48 89 e5 41 57 41 56 41 55 41 54 53 e8 9e 4a 0b fa e8 29 [ 526.547003][ C0] RSP: 0018:ffffffff88e07ce8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff02 [ 526.547012][ C0] RAX: 1ffffffff11e65ef RBX: ffffffff88e7a1c0 RCX: 0000000000000000 [ 526.547017][ C0] RDX: dffffc0000000000 RSI: 0000000000000006 RDI: ffffffff88e7aa54 [ 526.547021][ C0] RBP: ffffffff88e07d18 R08: ffffffff88e7a1c0 R09: 0000000000000000 [ 526.547026][ C0] R10: 0000000000000000 R11: 0000000000000000 R12: dffffc0000000000 [ 526.547031][ C0] R13: ffffffff89c76a00 R14: 0000000000000000 R15: 0000000000000000 [ 526.547034][ C0] ? default_idle+0x4e/0x360 [ 526.547038][ C0] arch_cpu_idle+0xa/0x10 [ 526.547041][ C0] default_idle_call+0x84/0xb0 [ 526.547044][ C0] do_idle+0x3b7/0x6e0 [ 526.547048][ C0] ? arch_cpu_idle_exit+0x80/0x80 [ 526.547051][ C0] ? trace_hardirqs_on+0x67/0x240 [ 526.547056][ C0] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 526.547059][ C0] ? debug_smp_processor_id+0x3c/0x214 [ 526.547063][ C0] cpu_startup_entry+0x1b/0x20 [ 526.547066][ C0] rest_init+0x245/0x37b [ 526.547069][ C0] arch_call_rest_init+0xe/0x1b [ 526.547072][ C0] start_kernel+0x904/0x943 [ 526.547076][ C0] ? mem_encrypt_init+0xb/0xb [ 526.547080][ C0] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 526.547083][ C0] ? x86_family+0x41/0x50 [ 526.547087][ C0] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 526.547091][ C0] x86_64_start_reservations+0x29/0x2b [ 526.547094][ C0] x86_64_start_kernel+0x77/0x7b [ 526.547098][ C0] secondary_startup_64+0xa4/0xb0 [ 526.548136][ T1070] Kernel panic - not syncing: hung_task: blocked tasks [ 526.906638][ T1070] CPU: 1 PID: 1070 Comm: khungtaskd Not tainted 5.4.0-syzkaller #0 [ 526.914509][ T1070] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 526.924560][ T1070] Call Trace: [ 526.927905][ T1070] dump_stack+0x197/0x210 [ 526.932265][ T1070] panic+0x2e3/0x75c [ 526.936149][ T1070] ? add_taint.cold+0x16/0x16 [ 526.940808][ T1070] ? lapic_can_unplug_cpu.cold+0x3a/0x3a [ 526.946490][ T1070] ? ___preempt_schedule+0x16/0x20 [ 526.951591][ T1070] ? nmi_trigger_cpumask_backtrace+0x21b/0x28b [ 526.957869][ T1070] ? nmi_trigger_cpumask_backtrace+0x24c/0x28b [ 526.964032][ T1070] ? nmi_trigger_cpumask_backtrace+0x256/0x28b [ 526.970174][ T1070] ? nmi_trigger_cpumask_backtrace+0x21b/0x28b [ 526.976315][ T1070] watchdog+0x9e1/0xef0 [ 526.980455][ T1070] kthread+0x361/0x430 [ 526.984528][ T1070] ? reset_hung_task_detector+0x30/0x30 [ 526.990068][ T1070] ? kthread_mod_delayed_work+0x1f0/0x1f0 [ 526.995794][ T1070] ret_from_fork+0x24/0x30 [ 527.001928][ T1070] Kernel Offset: disabled [ 527.006267][ T1070] Rebooting in 86400 seconds..