Warning: Permanently added '10.128.0.146' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program syzkaller login: [ 833.231539] INFO: task syz-executor587:8210 blocked for more than 140 seconds. [ 833.239206] Not tainted 5.0.0-rc6+ #79 [ 833.244727] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 833.252935] syz-executor587 D28816 8210 7739 0x00000004 [ 833.258583] Call Trace: [ 833.261190] __schedule+0x817/0x1cc0 [ 833.265112] ? __mutex_lock+0x721/0x1310 [ 833.269223] ? pci_mmcfg_check_reserved+0x170/0x170 [ 833.274416] schedule+0x92/0x180 [ 833.277809] schedule_preempt_disabled+0x13/0x20 [ 833.282735] __mutex_lock+0x726/0x1310 [ 833.286636] ? rtnetlink_rcv_msg+0x40a/0xb00 [ 833.291055] ? mutex_trylock+0x1e0/0x1e0 [ 833.295311] ? rtnetlink_rcv_msg+0x3d0/0xb00 [ 833.299744] ? lock_downgrade+0x810/0x810 [ 833.304052] mutex_lock_nested+0x16/0x20 [ 833.308135] ? mutex_lock_nested+0x16/0x20 [ 833.312514] rtnetlink_rcv_msg+0x40a/0xb00 [ 833.316768] ? rtnetlink_put_metrics+0x560/0x560 [ 833.321689] ? netlink_deliver_tap+0x22d/0xbf0 [ 833.326284] ? find_held_lock+0x35/0x130 [ 833.330363] netlink_rcv_skb+0x17a/0x460 [ 833.334583] ? rtnetlink_put_metrics+0x560/0x560 [ 833.339360] ? netlink_ack+0xb50/0xb50 [ 833.343416] ? kasan_check_read+0x11/0x20 [ 833.347611] ? netlink_deliver_tap+0x254/0xbf0 [ 833.352347] rtnetlink_rcv+0x1d/0x30 [ 833.356102] netlink_unicast+0x536/0x720 [ 833.360191] ? netlink_attachskb+0x770/0x770 [ 833.364775] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 833.369831] ? __check_object_size+0x3d/0x42f [ 833.375290] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 833.380331] netlink_sendmsg+0x8ae/0xd70 [ 833.384548] ? netlink_unicast+0x720/0x720 [ 833.388816] ? aa_sock_msg_perm.isra.0+0xba/0x170 [ 833.393849] ? apparmor_socket_sendmsg+0x2a/0x30 [ 833.398706] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 833.404396] ? security_socket_sendmsg+0x93/0xc0 [ 833.409167] ? netlink_unicast+0x720/0x720 [ 833.413554] sock_sendmsg+0xdd/0x130 [ 833.417284] ___sys_sendmsg+0x806/0x930 [ 833.421281] ? copy_msghdr_from_user+0x430/0x430 [ 833.426206] ? __local_bh_enable_ip+0x15a/0x270 [ 833.430890] ? lockdep_hardirqs_on+0x415/0x5d0 [ 833.435619] ? release_sock+0x158/0x1c0 [ 833.439606] ? trace_hardirqs_on+0x67/0x230 [ 833.444081] ? release_sock+0x158/0x1c0 [ 833.448079] ? __local_bh_enable_ip+0x15a/0x270 [ 833.452906] ? _raw_spin_unlock_bh+0x31/0x40 [ 833.457326] ? release_sock+0x158/0x1c0 [ 833.461308] ? sock_setsockopt+0x197/0x2030 [ 833.465802] ? sock_enable_timestamp+0xe0/0xe0 [ 833.470399] ? debug_lockdep_rcu_enabled+0x71/0xa0 [ 833.475887] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 833.481584] ? __fget_light+0x1a9/0x230 [ 833.485576] ? __fdget+0x1b/0x20 [ 833.488948] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 833.494739] __sys_sendmsg+0x105/0x1d0 [ 833.498644] ? __ia32_sys_shutdown+0x80/0x80 [ 833.504021] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 833.508800] ? do_syscall_64+0x26/0x610 [ 833.512927] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 833.518301] ? do_syscall_64+0x26/0x610 [ 833.522425] __x64_sys_sendmsg+0x78/0xb0 [ 833.526502] do_syscall_64+0x103/0x610 [ 833.530398] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 833.535740] RIP: 0033:0x4459f9 [ 833.538945] Code: ff 11 7a fd ff 11 7a fd ff 11 7a fd ff 11 7a fd ff 11 7a fd ff 11 7a fd ff 11 7a fd ff 11 7a fd ff 11 7a fd ff 11 7a fd ff 11 <7a> fd ff 11 7a fd ff 11 7a fd ff 11 7a fd ff 11 7a fd ff 11 7a fd [ 833.558101] RSP: 002b:00007ffdceac29b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 833.565959] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000004459f9 [ 833.573368] RDX: 00000000000000c4 RSI: 0000000020000300 RDI: 0000000000000003 [ 833.580651] RBP: 00000000000a65ed R08: 00000000004002c8 R09: 00000000004002c8 [ 833.588065] R10: 00000000200015a6 R11: 0000000000000246 R12: 0000000000406890 [ 833.595483] R13: 0000000000406920 R14: 0000000000000000 R15: 0000000000000000 [ 833.602940] INFO: task syz-executor587:8211 blocked for more than 140 seconds. [ 833.610314] Not tainted 5.0.0-rc6+ #79 [ 833.614875] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 833.623013] syz-executor587 D28816 8211 7736 0x00000004 [ 833.628668] Call Trace: [ 833.631268] __schedule+0x817/0x1cc0 [ 833.636006] ? __mutex_lock+0x721/0x1310 [ 833.640095] ? pci_mmcfg_check_reserved+0x170/0x170 [ 833.645268] schedule+0x92/0x180 [ 833.648650] schedule_preempt_disabled+0x13/0x20 [ 833.653552] __mutex_lock+0x726/0x1310 [ 833.657454] ? rtnetlink_rcv_msg+0x40a/0xb00 [ 833.662015] ? mutex_trylock+0x1e0/0x1e0 [ 833.666099] ? rtnetlink_rcv_msg+0x3d0/0xb00 [ 833.670521] ? lock_downgrade+0x810/0x810 [ 833.674844] mutex_lock_nested+0x16/0x20 [ 833.678918] ? mutex_lock_nested+0x16/0x20 [ 833.683299] rtnetlink_rcv_msg+0x40a/0xb00 [ 833.687550] ? rtnetlink_put_metrics+0x560/0x560 [ 833.692462] ? netlink_deliver_tap+0x22d/0xbf0 [ 833.697057] ? find_held_lock+0x35/0x130 [ 833.701144] netlink_rcv_skb+0x17a/0x460 [ 833.705388] ? rtnetlink_put_metrics+0x560/0x560 [ 833.710159] ? netlink_ack+0xb50/0xb50 [ 833.714201] ? kasan_check_read+0x11/0x20 [ 833.718373] ? netlink_deliver_tap+0x254/0xbf0 [ 833.723114] rtnetlink_rcv+0x1d/0x30 [ 833.726844] netlink_unicast+0x536/0x720 [ 833.730917] ? netlink_attachskb+0x770/0x770 [ 833.735485] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 833.740519] ? __check_object_size+0x3d/0x42f [ 833.745165] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 833.750201] netlink_sendmsg+0x8ae/0xd70 [ 833.754433] ? netlink_unicast+0x720/0x720 [ 833.758685] ? aa_sock_msg_perm.isra.0+0xba/0x170 [ 833.764542] ? apparmor_socket_sendmsg+0x2a/0x30 [ 833.769316] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 833.775009] ? security_socket_sendmsg+0x93/0xc0 [ 833.779788] ? netlink_unicast+0x720/0x720 [ 833.784195] sock_sendmsg+0xdd/0x130 [ 833.787924] ___sys_sendmsg+0x806/0x930 [ 833.792047] ? copy_msghdr_from_user+0x430/0x430 [ 833.796836] ? __local_bh_enable_ip+0x15a/0x270 [ 833.801675] ? lockdep_hardirqs_on+0x415/0x5d0 [ 833.806284] ? release_sock+0x158/0x1c0 [ 833.810282] ? trace_hardirqs_on+0x67/0x230 [ 833.814788] ? release_sock+0x158/0x1c0 [ 833.818783] ? __local_bh_enable_ip+0x15a/0x270 [ 833.823612] ? _raw_spin_unlock_bh+0x31/0x40 [ 833.828046] ? release_sock+0x158/0x1c0 [ 833.832188] ? sock_setsockopt+0x197/0x2030 [ 833.836524] ? sock_enable_timestamp+0xe0/0xe0 [ 833.841109] ? debug_lockdep_rcu_enabled+0x71/0xa0 [ 833.846210] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 833.851904] ? __fget_light+0x1a9/0x230 [ 833.855892] ? __fdget+0x1b/0x20 [ 833.859263] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 833.864971] __sys_sendmsg+0x105/0x1d0 [ 833.868886] ? __ia32_sys_shutdown+0x80/0x80 [ 833.873462] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 833.878234] ? do_syscall_64+0x26/0x610 [ 833.882364] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 833.887738] ? do_syscall_64+0x26/0x610 [ 833.892697] __x64_sys_sendmsg+0x78/0xb0 [ 833.896785] do_syscall_64+0x103/0x610 [ 833.900689] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 833.906036] RIP: 0033:0x4459f9 [ 833.909263] Code: ff 11 7a fd ff 11 7a fd ff 11 7a fd ff 11 7a fd ff 11 7a fd ff 11 7a fd ff 11 7a fd ff 11 7a fd ff 11 7a fd ff 11 7a fd ff 11 <7a> fd ff 11 7a fd ff 11 7a fd ff 11 7a fd ff 11 7a fd ff 11 7a fd [ 833.928349] RSP: 002b:00007ffdceac29b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 833.936206] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000004459f9 [ 833.943640] RDX: 00000000000000c4 RSI: 0000000020000300 RDI: 0000000000000003 [ 833.950930] RBP: 00000000000a65eb R08: 00000000004002c8 R09: 00000000004002c8 [ 833.958481] R10: 00000000200015a6 R11: 0000000000000246 R12: 0000000000406890 [ 833.965896] R13: 0000000000406920 R14: 0000000000000000 R15: 0000000000000000 [ 833.973332] INFO: task syz-executor587:8212 blocked for more than 140 seconds. [ 833.980690] Not tainted 5.0.0-rc6+ #79 [ 833.985245] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 833.993356] syz-executor587 D28816 8212 7734 0x00000004 [ 833.999001] Call Trace: [ 834.001760] __schedule+0x817/0x1cc0 [ 834.005490] ? __mutex_lock+0x721/0x1310 [ 834.009566] ? pci_mmcfg_check_reserved+0x170/0x170 [ 834.014766] schedule+0x92/0x180 [ 834.018167] schedule_preempt_disabled+0x13/0x20 [ 834.023968] __mutex_lock+0x726/0x1310 [ 834.027873] ? rtnetlink_rcv_msg+0x40a/0xb00 [ 834.032432] ? mutex_trylock+0x1e0/0x1e0 [ 834.036515] ? rtnetlink_rcv_msg+0x3d0/0xb00 [ 834.040937] ? lock_downgrade+0x810/0x810 [ 834.045256] mutex_lock_nested+0x16/0x20 [ 834.049334] ? mutex_lock_nested+0x16/0x20 [ 834.053716] rtnetlink_rcv_msg+0x40a/0xb00 [ 834.057974] ? rtnetlink_put_metrics+0x560/0x560 [ 834.062881] ? netlink_deliver_tap+0x22d/0xbf0 [ 834.067478] ? find_held_lock+0x35/0x130 [ 834.071694] netlink_rcv_skb+0x17a/0x460 [ 834.075771] ? rtnetlink_put_metrics+0x560/0x560 [ 834.080537] ? netlink_ack+0xb50/0xb50 [ 834.085583] ? kasan_check_read+0x11/0x20 [ 834.089759] ? netlink_deliver_tap+0x254/0xbf0 [ 834.094497] rtnetlink_rcv+0x1d/0x30 [ 834.098227] netlink_unicast+0x536/0x720 [ 834.102444] ? netlink_attachskb+0x770/0x770 [ 834.106873] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 834.112046] ? __check_object_size+0x3d/0x42f [ 834.116562] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 834.121729] netlink_sendmsg+0x8ae/0xd70 [ 834.125814] ? netlink_unicast+0x720/0x720 [ 834.130054] ? aa_sock_msg_perm.isra.0+0xba/0x170 [ 834.135082] ? apparmor_socket_sendmsg+0x2a/0x30 [ 834.139853] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 834.145551] ? security_socket_sendmsg+0x93/0xc0 [ 834.150321] ? netlink_unicast+0x720/0x720 [ 834.155514] sock_sendmsg+0xdd/0x130 [ 834.159250] ___sys_sendmsg+0x806/0x930 [ 834.163375] ? copy_msghdr_from_user+0x430/0x430 [ 834.168152] ? __local_bh_enable_ip+0x15a/0x270 [ 834.172975] ? lockdep_hardirqs_on+0x415/0x5d0 [ 834.177583] ? release_sock+0x158/0x1c0 [ 834.181705] ? trace_hardirqs_on+0x67/0x230 [ 834.186039] ? release_sock+0x158/0x1c0 [ 834.190030] ? __local_bh_enable_ip+0x15a/0x270 [ 834.194863] ? _raw_spin_unlock_bh+0x31/0x40 [ 834.199283] ? release_sock+0x158/0x1c0 [ 834.203420] ? sock_setsockopt+0x197/0x2030 [ 834.207758] ? sock_enable_timestamp+0xe0/0xe0 [ 834.212489] ? debug_lockdep_rcu_enabled+0x71/0xa0 [ 834.217438] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 834.223181] ? __fget_light+0x1a9/0x230 [ 834.227168] ? __fdget+0x1b/0x20 [ 834.230538] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 834.236242] __sys_sendmsg+0x105/0x1d0 [ 834.240160] ? __ia32_sys_shutdown+0x80/0x80 [ 834.244734] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 834.249509] ? do_syscall_64+0x26/0x610 [ 834.253628] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 834.259013] ? do_syscall_64+0x26/0x610 [ 834.263157] __x64_sys_sendmsg+0x78/0xb0 [ 834.267245] do_syscall_64+0x103/0x610 [ 834.271142] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 834.276495] RIP: 0033:0x4459f9 [ 834.279704] Code: ff 11 7a fd ff 11 7a fd ff 11 7a fd ff 11 7a fd ff 11 7a fd ff 11 7a fd ff 11 7a fd ff 11 7a fd ff 11 7a fd ff 11 7a fd ff 11 <7a> fd ff 11 7a fd ff 11 7a fd ff 11 7a fd ff 11 7a fd ff 11 7a fd [ 834.299599] RSP: 002b:00007ffdceac29b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 834.307463] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000004459f9 [ 834.314890] RDX: 00000000000000c4 RSI: 0000000020000300 RDI: 0000000000000003 [ 834.322320] RBP: 00000000000a65f0 R08: 00000000004002c8 R09: 00000000004002c8 [ 834.329621] R10: 00000000200015a6 R11: 0000000000000246 R12: 0000000000406890 [ 834.337058] R13: 0000000000406920 R14: 0000000000000000 R15: 0000000000000000 [ 834.344509] INFO: task syz-executor587:8213 blocked for more than 140 seconds. [ 834.352011] Not tainted 5.0.0-rc6+ #79 [ 834.356421] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 834.364531] syz-executor587 D28008 8213 7737 0x00000004 [ 834.370174] Call Trace: [ 834.372912] __schedule+0x817/0x1cc0 [ 834.376646] ? __mutex_lock+0x721/0x1310 [ 834.380723] ? pci_mmcfg_check_reserved+0x170/0x170 [ 834.385908] schedule+0x92/0x180 [ 834.389297] schedule_preempt_disabled+0x13/0x20 [ 834.394226] __mutex_lock+0x726/0x1310 [ 834.398131] ? rtnetlink_rcv_msg+0x40a/0xb00 [ 834.402704] ? mutex_trylock+0x1e0/0x1e0 [ 834.406791] ? rtnetlink_rcv_msg+0x3d0/0xb00 [ 834.411211] ? lock_downgrade+0x810/0x810 [ 834.415541] mutex_lock_nested+0x16/0x20 [ 834.419616] ? mutex_lock_nested+0x16/0x20 [ 834.424881] rtnetlink_rcv_msg+0x40a/0xb00 [ 834.429134] ? rtnetlink_put_metrics+0x560/0x560 [ 834.434054] ? netlink_deliver_tap+0x22d/0xbf0 [ 834.438656] ? find_held_lock+0x35/0x130 [ 834.442878] netlink_rcv_skb+0x17a/0x460 [ 834.446960] ? rtnetlink_put_metrics+0x560/0x560 [ 834.451867] ? netlink_ack+0xb50/0xb50 [ 834.455770] ? kasan_check_read+0x11/0x20 [ 834.459934] ? netlink_deliver_tap+0x254/0xbf0 [ 834.464703] rtnetlink_rcv+0x1d/0x30 [ 834.468436] netlink_unicast+0x536/0x720 [ 834.472679] ? netlink_attachskb+0x770/0x770 [ 834.477109] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 834.482295] ? __check_object_size+0x3d/0x42f [ 834.486815] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 834.492001] netlink_sendmsg+0x8ae/0xd70 [ 834.496092] ? netlink_unicast+0x720/0x720 [ 834.500358] ? aa_sock_msg_perm.isra.0+0xba/0x170 [ 834.505361] ? apparmor_socket_sendmsg+0x2a/0x30 [ 834.510131] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 834.515956] ? security_socket_sendmsg+0x93/0xc0 [ 834.520733] ? netlink_unicast+0x720/0x720 [ 834.525127] sock_sendmsg+0xdd/0x130 [ 834.528858] ___sys_sendmsg+0x806/0x930 [ 834.532992] ? copy_msghdr_from_user+0x430/0x430 [ 834.537765] ? __local_bh_enable_ip+0x15a/0x270 [ 834.542582] ? lockdep_hardirqs_on+0x415/0x5d0 [ 834.547175] ? release_sock+0x158/0x1c0 [ 834.551162] ? trace_hardirqs_on+0x67/0x230 [ 834.556492] ? release_sock+0x158/0x1c0 [ 834.560493] ? __local_bh_enable_ip+0x15a/0x270 [ 834.565340] ? _raw_spin_unlock_bh+0x31/0x40 [ 834.569766] ? release_sock+0x158/0x1c0 [ 834.573904] ? sock_setsockopt+0x197/0x2030 [ 834.578255] ? sock_enable_timestamp+0xe0/0xe0 [ 834.583200] ? debug_lockdep_rcu_enabled+0x71/0xa0 [ 834.588147] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 834.593916] ? __fget_light+0x1a9/0x230 [ 834.597911] ? __fdget+0x1b/0x20 [ 834.601284] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 834.607005] __sys_sendmsg+0x105/0x1d0 [ 834.610908] ? __ia32_sys_shutdown+0x80/0x80 [ 834.615479] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 834.620251] ? do_syscall_64+0x26/0x610 [ 834.624382] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 834.629754] ? do_syscall_64+0x26/0x610 [ 834.633885] __x64_sys_sendmsg+0x78/0xb0 [ 834.637966] do_syscall_64+0x103/0x610 [ 834.642007] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 834.647207] RIP: 0033:0x4459f9 [ 834.650418] Code: ff 11 7a fd ff 11 7a fd ff 11 7a fd ff 11 7a fd ff 11 7a fd ff 11 7a fd ff 11 7a fd ff 11 7a fd ff 11 7a fd ff 11 7a fd ff 11 <7a> fd ff 11 7a fd ff 11 7a fd ff 11 7a fd ff 11 7a fd ff 11 7a fd [ 834.669498] RSP: 002b:00007ffdceac29b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 834.677347] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000004459f9 [ 834.685569] RDX: 00000000000000c4 RSI: 0000000020000300 RDI: 0000000000000003 [ 834.692978] RBP: 00000000000a65f2 R08: 00000000004002c8 R09: 00000000004002c8 [ 834.700257] R10: 00000000200015a6 R11: 0000000000000246 R12: 0000000000406890 [ 834.707682] R13: 0000000000406920 R14: 0000000000000000 R15: 0000000000000000 [ 834.715126] INFO: task syz-executor587:8214 blocked for more than 140 seconds. [ 834.722634] Not tainted 5.0.0-rc6+ #79 [ 834.727048] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 834.735192] syz-executor587 D28008 8214 7733 0x00000004 [ 834.740845] Call Trace: [ 834.743585] __schedule+0x817/0x1cc0 [ 834.747313] ? __mutex_lock+0x721/0x1310 [ 834.751527] ? pci_mmcfg_check_reserved+0x170/0x170 [ 834.756568] schedule+0x92/0x180 [ 834.759948] schedule_preempt_disabled+0x13/0x20 [ 834.764865] __mutex_lock+0x726/0x1310 [ 834.768766] ? rtnetlink_rcv_msg+0x40a/0xb00 [ 834.773326] ? mutex_trylock+0x1e0/0x1e0 [ 834.777408] ? rtnetlink_rcv_msg+0x3d0/0xb00 [ 834.781972] ? lock_downgrade+0x810/0x810 [ 834.786141] mutex_lock_nested+0x16/0x20 [ 834.790207] ? mutex_lock_nested+0x16/0x20 [ 834.794610] rtnetlink_rcv_msg+0x40a/0xb00 [ 834.798864] ? rtnetlink_put_metrics+0x560/0x560 [ 834.803777] ? netlink_deliver_tap+0x22d/0xbf0 [ 834.808375] ? find_held_lock+0x35/0x130 [ 834.813431] netlink_rcv_skb+0x17a/0x460 [ 834.817509] ? rtnetlink_put_metrics+0x560/0x560 [ 834.822412] ? netlink_ack+0xb50/0xb50 [ 834.826317] ? kasan_check_read+0x11/0x20 [ 834.830476] ? netlink_deliver_tap+0x254/0xbf0 [ 834.835226] rtnetlink_rcv+0x1d/0x30 [ 834.838956] netlink_unicast+0x536/0x720 [ 834.843184] ? netlink_attachskb+0x770/0x770 [ 834.848112] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 834.853289] ? __check_object_size+0x3d/0x42f [ 834.857795] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 834.862969] netlink_sendmsg+0x8ae/0xd70 [ 834.867057] ? netlink_unicast+0x720/0x720 [ 834.871303] ? aa_sock_msg_perm.isra.0+0xba/0x170 [ 834.876314] ? apparmor_socket_sendmsg+0x2a/0x30 [ 834.881092] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 834.886788] ? security_socket_sendmsg+0x93/0xc0 [ 834.891689] ? netlink_unicast+0x720/0x720 [ 834.895939] sock_sendmsg+0xdd/0x130 [ 834.899664] ___sys_sendmsg+0x806/0x930 [ 834.903801] ? copy_msghdr_from_user+0x430/0x430 [ 834.908574] ? __local_bh_enable_ip+0x15a/0x270 [ 834.913408] ? lockdep_hardirqs_on+0x415/0x5d0 [ 834.918004] ? release_sock+0x158/0x1c0 [ 834.922141] ? trace_hardirqs_on+0x67/0x230 [ 834.926475] ? release_sock+0x158/0x1c0 [ 834.930455] ? __local_bh_enable_ip+0x15a/0x270 [ 834.935284] ? _raw_spin_unlock_bh+0x31/0x40 [ 834.939707] ? release_sock+0x158/0x1c0 [ 834.945673] ? sock_setsockopt+0x197/0x2030 [ 834.950014] ? sock_enable_timestamp+0xe0/0xe0 [ 834.954752] ? debug_lockdep_rcu_enabled+0x71/0xa0 [ 834.959703] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 834.965391] ? __fget_light+0x1a9/0x230 [ 834.969381] ? __fdget+0x1b/0x20 [ 834.972894] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 834.978450] __sys_sendmsg+0x105/0x1d0 [ 834.982485] ? __ia32_sys_shutdown+0x80/0x80 [ 834.986920] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 834.991821] ? do_syscall_64+0x26/0x610 [ 834.995813] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 835.001187] ? do_syscall_64+0x26/0x610 [ 835.005324] __x64_sys_sendmsg+0x78/0xb0 [ 835.009399] do_syscall_64+0x103/0x610 [ 835.013434] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 835.018634] RIP: 0033:0x4459f9 [ 835.021973] Code: ff 11 7a fd ff 11 7a fd ff 11 7a fd ff 11 7a fd ff 11 7a fd ff 11 7a fd ff 11 7a fd ff 11 7a fd ff 11 7a fd ff 11 7a fd ff 11 <7a> fd ff 11 7a fd ff 11 7a fd ff 11 7a fd ff 11 7a fd ff 11 7a fd [ 835.041024] RSP: 002b:00007ffdceac29b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 835.048880] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000004459f9 [ 835.056297] RDX: 00000000000000c4 RSI: 0000000020000300 RDI: 0000000000000003 [ 835.063702] RBP: 00000000000a65ee R08: 00000000004002c8 R09: 00000000004002c8 [ 835.070984] R10: 00000000200015a6 R11: 0000000000000246 R12: 0000000000406890 [ 835.079207] R13: 0000000000406920 R14: 0000000000000000 R15: 0000000000000000 [ 835.086639] [ 835.086639] Showing all locks held in the system: [ 835.093113] 3 locks held by kworker/1:1/22: [ 835.097438] #0: 000000002d168d0a ((wq_completion)"%s"("ipv6_addrconf")){+.+.}, at: process_one_work+0x87e/0x1790 [ 835.108022] #1: 00000000bd18b9a6 ((addr_chk_work).work){+.+.}, at: process_one_work+0x8b4/0x1790 [ 835.117216] #2: 0000000039ab849a (rtnl_mutex){+.+.}, at: rtnl_lock+0x17/0x20 [ 835.124651] 1 lock held by khungtaskd/1039: [ 835.128972] #0: 00000000244eda90 (rcu_read_lock){....}, at: debug_show_all_locks+0x5f/0x27e [ 835.137738] 3 locks held by rs:main Q:Reg/7586: [ 835.142540] 1 lock held by rsyslogd/7588: [ 835.146693] #0: 00000000846b521b (&f->f_pos_lock){+.+.}, at: __fdget_pos+0xee/0x110 [ 835.154740] 2 locks held by getty/7709: [ 835.158724] #0: 00000000d4ab6c4c (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 835.167125] #1: 000000003d2c508b (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b70 [ 835.176140] 2 locks held by getty/7710: [ 835.180118] #0: 0000000080b6c68a (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 835.188514] #1: 00000000a39b3022 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b70 [ 835.197512] 2 locks held by getty/7711: [ 835.202463] #0: 00000000046c3873 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 835.210719] #1: 00000000bf9d6094 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b70 [ 835.219727] 2 locks held by getty/7712: [ 835.223830] #0: 0000000099227467 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 835.232227] #1: 0000000058d0dad3 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b70 [ 835.241101] 2 locks held by getty/7713: [ 835.245225] #0: 0000000004387930 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 835.253609] #1: 0000000009ac3a88 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b70 [ 835.262602] 2 locks held by getty/7714: [ 835.266588] #0: 00000000b170ba07 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 835.274982] #1: 0000000078979a39 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b70 [ 835.283975] 2 locks held by getty/7715: [ 835.287949] #0: 00000000bccf5cfb (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 835.296343] #1: 00000000febf2440 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b70 [ 835.305341] 2 locks held by syz-executor587/8207: [ 835.310201] 1 lock held by syz-executor587/8210: [ 835.315452] #0: 0000000039ab849a (rtnl_mutex){+.+.}, at: rtnetlink_rcv_msg+0x40a/0xb00 [ 835.323756] 1 lock held by syz-executor587/8211: [ 835.328517] #0: 0000000039ab849a (rtnl_mutex){+.+.}, at: rtnetlink_rcv_msg+0x40a/0xb00 [ 835.337702] 1 lock held by syz-executor587/8212: [ 835.342602] #0: 0000000039ab849a (rtnl_mutex){+.+.}, at: rtnetlink_rcv_msg+0x40a/0xb00 [ 835.350784] 1 lock held by syz-executor587/8213: [ 835.355674] #0: 0000000039ab849a (rtnl_mutex){+.+.}, at: rtnetlink_rcv_msg+0x40a/0xb00 [ 835.363982] 1 lock held by syz-executor587/8214: [ 835.368741] #0: 0000000039ab849a (rtnl_mutex){+.+.}, at: rtnetlink_rcv_msg+0x40a/0xb00 [ 835.377091] [ 835.378724] ============================================= [ 835.378724] [ 835.385902] NMI backtrace for cpu 0 [ 835.389548] CPU: 0 PID: 1039 Comm: khungtaskd Not tainted 5.0.0-rc6+ #79 [ 835.396385] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 835.405739] Call Trace: [ 835.408335] dump_stack+0x172/0x1f0 [ 835.411974] nmi_cpu_backtrace.cold+0x63/0xa4 [ 835.416477] ? lapic_can_unplug_cpu.cold+0x38/0x38 [ 835.421416] nmi_trigger_cpumask_backtrace+0x1be/0x236 [ 835.426706] arch_trigger_cpumask_backtrace+0x14/0x20 [ 835.431906] watchdog+0x9df/0xee0 [ 835.435376] kthread+0x357/0x430 [ 835.438744] ? reset_hung_task_detector+0x30/0x30 [ 835.443611] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 835.449196] ret_from_fork+0x3a/0x50 [ 835.453019] Sending NMI from CPU 0 to CPUs 1: [ 835.459182] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.472 msecs [ 835.459558] NMI backtrace for cpu 1 [ 835.459566] CPU: 1 PID: 8207 Comm: syz-executor587 Not tainted 5.0.0-rc6+ #79 [ 835.459573] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 835.459578] RIP: 0010:unwind_next_frame.part.0+0x0/0x9a0 [ 835.459592] Code: 00 00 48 8b 45 d0 65 48 33 04 25 28 00 00 00 75 12 48 81 c4 e0 00 00 00 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 b2 9d 12 00 66 90 <55> 4c 8d 4f 50 48 b8 00 00 00 00 00 fc ff df 48 89 e5 41 57 41 56 [ 835.459597] RSP: 0018:ffff88808255ee58 EFLAGS: 00000202 [ 835.459606] RAX: 0000000000000000 RBX: ffff88808255ef18 RCX: 000000000000000b [ 835.459612] RDX: 0000000000000001 RSI: ffffffff858998e3 RDI: ffff88808255ee78 [ 835.459618] RBP: ffff88808255ee68 R08: 0000000000000001 R09: ffff88808255eec8 [ 835.459624] R10: ffff88808255eea0 R11: ffff88808255eeb0 R12: 0000000000000000 [ 835.459631] R13: 0000000000000000 R14: ffff8880a444a380 R15: ffff88812c3f0940 [ 835.459637] FS: 00000000022f5880(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 835.459643] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 835.459649] CR2: ffffffffff600400 CR3: 00000000930de000 CR4: 00000000001406e0 [ 835.459652] Call Trace: [ 835.459656] ? unwind_next_frame+0x3b/0x50 [ 835.459661] __save_stack_trace+0x7a/0xf0 [ 835.459665] ? tcf_action_add+0x243/0x370 [ 835.459669] save_stack_trace+0x1a/0x20 [ 835.459673] save_stack+0x45/0xd0 [ 835.459677] ? save_stack+0x45/0xd0 [ 835.459682] ? __kasan_kmalloc.constprop.0+0xcf/0xe0 [ 835.459686] ? kasan_slab_alloc+0xf/0x20 [ 835.459691] ? kmem_cache_alloc_node_trace+0x13c/0x720 [ 835.459695] ? __kmalloc_node_track_caller+0x3d/0x70 [ 835.459700] ? __kmalloc_reserve.isra.0+0x40/0xf0 [ 835.459704] ? pskb_expand_head+0x14e/0xdd0 [ 835.459709] ? netlink_trim+0x215/0x270 [ 835.459713] ? netlink_unicast+0xbf/0x720 [ 835.459717] ? rtnetlink_send+0xf0/0x110 [ 835.459721] ? tcf_action_add+0x243/0x370 [ 835.459726] ? unwind_get_return_address+0x61/0xa0 [ 835.459730] ? __save_stack_trace+0x8a/0xf0 [ 835.459734] ? save_stack+0xa9/0xd0 [ 835.459738] ? save_stack+0x45/0xd0 [ 835.459743] ? __kasan_slab_free+0x102/0x150 [ 835.459747] ? kasan_slab_free+0xe/0x10 [ 835.459751] ? kmem_cache_free+0x86/0x260 [ 835.459755] ? kfree_skbmem+0xc5/0x150 [ 835.459759] ? consume_skb+0xea/0x380 [ 835.459764] ? netlink_broadcast_filtered+0x369/0xb20 [ 835.459768] ? netlink_broadcast+0x3a/0x50 [ 835.459772] ? rtnetlink_send+0xdd/0x110 [ 835.459776] ? mark_held_locks+0xb1/0x100 [ 835.459780] ? sock_sendmsg+0xdd/0x130 [ 835.459785] ? kmem_cache_alloc_node_trace+0x235/0x720 [ 835.459790] ? __kmalloc_node_track_caller+0x3d/0x70 [ 835.459795] ? kmem_cache_alloc_node_trace+0x235/0x720 [ 835.459799] ? kasan_unpoison_shadow+0x35/0x50 [ 835.459804] __kasan_kmalloc.constprop.0+0xcf/0xe0 [ 835.459808] kasan_slab_alloc+0xf/0x20 [ 835.459813] kmem_cache_alloc_node_trace+0x13c/0x720 [ 835.459817] ? lock_downgrade+0x810/0x810 [ 835.459822] __kmalloc_node_track_caller+0x3d/0x70 [ 835.459826] __kmalloc_reserve.isra.0+0x40/0xf0 [ 835.459830] pskb_expand_head+0x14e/0xdd0 [ 835.459835] ? kfree_skbmem+0xc5/0x150 [ 835.459839] ? rcu_read_lock_sched_held+0x110/0x130 [ 835.459844] ? kmem_cache_free+0x225/0x260 [ 835.459848] netlink_trim+0x215/0x270 [ 835.459852] netlink_unicast+0xbf/0x720 [ 835.459856] ? netlink_attachskb+0x770/0x770 [ 835.459860] ? netlink_broadcast+0x3a/0x50 [ 835.459864] rtnetlink_send+0xf0/0x110 [ 835.459868] tcf_action_add+0x243/0x370 [ 835.459873] ? tca_action_gd+0x17a0/0x17a0 [ 835.459877] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 835.459881] ? tc_ctl_action+0x3c5/0x4bd [ 835.459886] ? tc_ctl_action+0x397/0x4bd [ 835.459890] tc_ctl_action+0x3b6/0x4bd [ 835.459894] ? tcf_action_add+0x370/0x370 [ 835.459898] ? __lock_is_held+0xb6/0x140 [ 835.459903] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 835.459907] ? tcf_action_add+0x370/0x370 [ 835.459912] rtnetlink_rcv_msg+0x465/0xb00 [ 835.459916] ? rtnetlink_put_metrics+0x560/0x560 [ 835.459921] ? netlink_deliver_tap+0x22d/0xbf0 [ 835.459925] ? find_held_lock+0x35/0x130 [ 835.459929] netlink_rcv_skb+0x17a/0x460 [ 835.459934] ? rtnetlink_put_metrics+0x560/0x560 [ 835.459938] ? netlink_ack+0xb50/0xb50 [ 835.459942] ? kasan_check_read+0x11/0x20 [ 835.459946] ? netlink_deliver_tap+0x254/0xbf0 [ 835.459950] rtnetlink_rcv+0x1d/0x30 [ 835.459954] netlink_unicast+0x536/0x720 [ 835.459959] ? netlink_attachskb+0x770/0x770 [ 835.459963] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 835.459968] ? __check_object_size+0x3d/0x42f [ 835.459973] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 835.459977] netlink_sendmsg+0x8ae/0xd70 [ 835.459981] ? netlink_unicast+0x720/0x720 [ 835.459986] ? aa_sock_msg_perm.isra.0+0xba/0x170 [ 835.459990] ? apparmor_socket_sendmsg+0x2a/0x30 [ 835.459996] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 835.460000] ? security_socket_sendmsg+0x93/0xc0 [ 835.460004] ? netlink_unicast+0x720/0x720 [ 835.460008] sock_sendmsg+0xdd/0x130 [ 835.460013] ___sys_sendmsg+0x806/0x930 [ 835.460017] ? copy_msghdr_from_user+0x430/0x430 [ 835.460022] ? __local_bh_enable_ip+0x15a/0x270 [ 835.460026] ? lockdep_hardirqs_on+0x415/0x5d0 [ 835.460030] ? release_sock+0x158/0x1c0 [ 835.460034] ? trace_hardirqs_on+0x67/0x230 [ 835.460038] ? release_sock+0x158/0x1c0 [ 835.460043] ? __local_bh_enable_ip+0x15a/0x270 [ 835.460047] ? _raw_spin_unlock_bh+0x31/0x40 [ 835.460052] ? release_sock+0x158/0x1c0 [ 835.460056] ? sock_setsockopt+0x197/0x2030 [ 835.460061] ? sock_enable_timestamp+0xe0/0xe0 [ 835.460066] ? debug_lockdep_rcu_enabled+0x71/0xa0 [ 835.460078] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 835.460082] ? __fget_light+0x1a9/0x230 [ 835.460086] ? __fdget+0x1b/0x20 [ 835.460091] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 835.460095] __sys_sendmsg+0x105/0x1d0 [ 835.460100] ? __ia32_sys_shutdown+0x80/0x80 [ 835.460104] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 835.460108] ? do_syscall_64+0x26/0x610 [ 835.460113] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 835.460117] ? do_syscall_64+0x26/0x610 [ 835.460122] __x64_sys_sendmsg+0x78/0xb0 [ 835.460126] do_syscall_64+0x103/0x610 [ 835.460131] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 835.460134] RIP: 0033:0x4459f9 [ 835.460148] Code: e8 ac e8 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 0b 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 835.460152] RSP: 002b:00007ffdceac29b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 835.460163] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000004459f9 [ 835.460169] RDX: 00000000000000c4 RSI: 0000000020000300 RDI: 0000000000000003 [ 835.460175] RBP: 00000000000a65e3 R08: 00000000004002c8 R09: 00000000004002c8 [ 835.460182] R10: 00000000200015a6 R11: 0000000000000246 R12: 0000000000406890 [ 835.460188] R13: 0000000000406920 R14: 0000000000000000 R15: 0000000000000000 [ 835.461403] Kernel panic - not syncing: hung_task: blocked tasks [ 836.121432] CPU: 0 PID: 1039 Comm: khungtaskd Not tainted 5.0.0-rc6+ #79 [ 836.128265] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 836.137621] Call Trace: [ 836.140215] dump_stack+0x172/0x1f0 [ 836.143852] panic+0x2cb/0x65c [ 836.147047] ? __warn_printk+0xf3/0xf3 [ 836.150940] ? lapic_can_unplug_cpu.cold+0x38/0x38 [ 836.155873] ? ___preempt_schedule+0x16/0x18 [ 836.160281] ? nmi_trigger_cpumask_backtrace+0x19e/0x236 [ 836.165755] ? nmi_trigger_cpumask_backtrace+0x1fa/0x236 [ 836.171205] ? nmi_trigger_cpumask_backtrace+0x204/0x236 [ 836.176667] ? nmi_trigger_cpumask_backtrace+0x19e/0x236 [ 836.182125] watchdog+0x9f0/0xee0 [ 836.185595] kthread+0x357/0x430 [ 836.188959] ? reset_hung_task_detector+0x30/0x30 [ 836.193800] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 836.199338] ret_from_fork+0x3a/0x50 [ 836.204129] Kernel Offset: disabled [ 836.207752] Rebooting in 86400 seconds..