[ 25.255154] random: sshd: uninitialized urandom read (32 bytes read) [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 29.388166] random: sshd: uninitialized urandom read (32 bytes read) [ 29.695150] random: sshd: uninitialized urandom read (32 bytes read) [ 30.331161] random: sshd: uninitialized urandom read (32 bytes read) [ 30.573306] random: sshd: uninitialized urandom read (32 bytes read) Warning: Permanently added '10.128.0.23' (ECDSA) to the list of known hosts. [ 36.149120] random: sshd: uninitialized urandom read (32 bytes read) executing program [ 36.345066] ================================================================== [ 36.352546] BUG: KASAN: use-after-free in tls_write_space+0x29d/0x2d0 [ 36.359180] Read of size 8 at addr ffff8801bc947db0 by task swapper/0/0 [ 36.365919] [ 36.367535] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.19.0-rc4+ #227 [ 36.374179] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 36.383653] Call Trace: [ 36.386223] [ 36.388364] dump_stack+0x1c4/0x2b4 [ 36.391975] ? dump_stack_print_info.cold.2+0x52/0x52 [ 36.397153] ? printk+0xa7/0xcf [ 36.400625] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 36.405375] print_address_description.cold.8+0x9/0x1ff [ 36.410725] kasan_report.cold.9+0x242/0x309 [ 36.415120] ? tls_write_space+0x29d/0x2d0 [ 36.419341] __asan_report_load8_noabort+0x14/0x20 [ 36.424256] tls_write_space+0x29d/0x2d0 [ 36.428372] ? tcp_sndbuf_expand+0x250/0x2c0 [ 36.432782] tcp_check_space+0x53f/0x920 [ 36.436844] ? tcp_prune_ofo_queue.part.52+0x8e0/0x8e0 [ 36.442106] ? tcp_xmit_recovery.part.65+0x130/0x130 [ 36.447201] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 36.452726] tcp_rcv_established+0xde8/0x2120 [ 36.457216] ? tcp_data_queue+0x4790/0x4790 [ 36.461528] ? graph_lock+0x170/0x170 [ 36.465310] ? tcp_v6_rcv+0x2d01/0x38a0 [ 36.469282] ? lock_release+0x970/0x970 [ 36.473258] tcp_v6_do_rcv+0x4b3/0x13c0 [ 36.477223] tcp_v6_rcv+0x2f7a/0x38a0 [ 36.481007] ? __sanitizer_cov_trace_cmp8+0x8/0x20 [ 36.485952] ? tcp_v6_reqsk_send_ack+0x380/0x380 [ 36.490734] ? __lock_is_held+0xb5/0x140 [ 36.494815] ip6_input_finish+0x3fc/0x1aa0 [ 36.499070] ? ip6_sublist_rcv+0xfb0/0xfb0 [ 36.503318] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 36.508325] ? nf_hook_slow+0x11e/0x1c0 [ 36.512323] ip6_input+0xe9/0x600 [ 36.515761] ? ip6_input_finish+0x1aa0/0x1aa0 [ 36.520244] ? ip6_sublist_rcv+0xfb0/0xfb0 [ 36.524465] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 36.530247] ? kasan_check_read+0x11/0x20 [ 36.534390] ? rcu_bh_qs+0xc0/0xc0 [ 36.537938] ip6_rcv_finish+0x17a/0x330 [ 36.541926] ipv6_rcv+0x113/0x640 [ 36.545402] ? ip6_rcv_core.isra.16+0x1e10/0x1e10 [ 36.550259] ? ip6_rcv_finish_core.isra.13+0x720/0x720 [ 36.555546] ? lock_acquire+0x1ed/0x520 [ 36.559525] __netif_receive_skb_one_core+0x14d/0x200 [ 36.564715] ? __netif_receive_skb_core+0x3b60/0x3b60 [ 36.569903] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 36.575182] ? rcu_bh_qs+0xc0/0xc0 [ 36.578727] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 36.584181] __netif_receive_skb+0x2c/0x1e0 [ 36.588506] process_backlog+0x217/0x760 [ 36.592577] net_rx_action+0x7c5/0x1950 [ 36.596558] ? rcu_process_callbacks+0x16b8/0x2670 [ 36.601595] ? napi_complete_done+0x6d0/0x6d0 [ 36.606092] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 36.611123] ? find_held_lock+0x36/0x1c0 [ 36.615197] ? rebalance_domains+0x358/0xdc0 [ 36.621258] ? lock_downgrade+0x900/0x900 [ 36.625405] ? check_preemption_disabled+0x48/0x200 [ 36.630436] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 36.636242] ? kasan_check_read+0x11/0x20 [ 36.640394] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 36.645675] ? rcu_bh_qs+0xc0/0xc0 [ 36.649227] ? rebalance_domains+0x375/0xdc0 [ 36.653647] ? load_balance+0x3430/0x3430 [ 36.657810] ? enqueue_hrtimer+0x1a5/0x560 [ 36.662049] ? lock_release+0x970/0x970 [ 36.666024] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 36.671263] ? find_held_lock+0x36/0x1c0 [ 36.675377] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 36.680918] ? check_preemption_disabled+0x48/0x200 [ 36.685946] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 36.691499] ? check_preemption_disabled+0x48/0x200 [ 36.696523] ? check_preemption_disabled+0x48/0x200 [ 36.701552] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 36.707094] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 36.712387] ? rcu_pm_notify+0xc0/0xc0 [ 36.716305] __do_softirq+0x30b/0xad8 [ 36.720120] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 36.725232] ? pvclock_read_flags+0x160/0x160 [ 36.729740] ? lapic_next_event+0x5a/0x90 [ 36.733904] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 36.739446] ? check_preemption_disabled+0x48/0x200 [ 36.744464] ? check_preemption_disabled+0x48/0x200 [ 36.749505] ? kvm_clock_read+0x18/0x30 [ 36.753479] ? kvm_sched_clock_read+0x9/0x20 [ 36.757915] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 36.763488] ? check_preemption_disabled+0x48/0x200 [ 36.768541] irq_exit+0x17f/0x1c0 [ 36.772006] smp_apic_timer_interrupt+0x1cb/0x760 [ 36.776855] ? smp_reschedule_interrupt+0x109/0x650 [ 36.781876] ? smp_call_function_single_interrupt+0x650/0x650 [ 36.787791] ? interrupt_entry+0xb5/0xf0 [ 36.791877] ? trace_hardirqs_off_caller+0xbb/0x310 [ 36.796893] ? trace_hardirqs_off_caller+0xbb/0x310 [ 36.801922] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 36.806777] ? trace_hardirqs_on_caller+0x310/0x310 [ 36.811802] ? trace_hardirqs_on_caller+0x310/0x310 [ 36.816819] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 36.822367] ? check_preemption_disabled+0x48/0x200 [ 36.827380] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 36.832931] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 36.837808] apic_timer_interrupt+0xf/0x20 [ 36.842036] [ 36.844272] RIP: 0010:native_safe_halt+0x6/0x10 [ 36.848944] Code: e9 2c ff ff ff 48 89 c7 48 89 45 d8 e8 73 43 01 fa 48 8b 45 d8 e9 ca fe ff ff 48 89 df e8 62 43 01 fa eb 82 55 48 89 e5 fb f4 <5d> c3 0f 1f 84 00 00 00 00 00 55 48 89 e5 f4 5d c3 90 90 90 90 90 [ 36.867847] RSP: 0018:ffffffff89607bb8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 36.875557] RAX: dffffc0000000000 RBX: 1ffffffff12c0f7b RCX: 0000000000000000 [ 36.882821] RDX: 1ffffffff12e4540 RSI: 0000000000000001 RDI: ffffffff89722a00 [ 36.890086] RBP: ffffffff89607bb8 R08: ffffffff89675fc0 R09: 0000000000000000 [ 36.897350] R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff89607c78 [ 36.904613] R13: ffffffff8a5182e0 R14: 0000000000000000 R15: 0000000000000000 [ 36.911909] default_idle+0xbf/0x490 [ 36.915632] ? rcu_dynticks_eqs_enter+0x4c/0x70 [ 36.920299] ? __sched_text_end+0x1/0x1 [ 36.924275] ? rcu_idle_enter+0x329/0x4b0 [ 36.928431] ? rcu_eqs_special_set+0x1b0/0x1b0 [ 36.933015] ? tsc_verify_tsc_adjust+0x137/0x460 [ 36.937783] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 36.943239] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 36.948787] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 36.954330] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 36.959877] arch_cpu_idle+0x10/0x20 [ 36.963589] default_idle_call+0x6d/0x90 [ 36.967656] do_idle+0x3db/0x5b0 [ 36.971029] ? arch_cpu_idle_exit+0x70/0x70 [ 36.975352] ? check_preemption_disabled+0x48/0x200 [ 36.980378] ? __schedule+0x1ed0/0x1ed0 [ 36.984374] cpu_startup_entry+0x10c/0x120 [ 36.988608] ? cpu_in_idle+0x20/0x20 [ 36.992342] rest_init+0xe2/0xe5 [ 36.995711] start_kernel+0x8f4/0x92f [ 36.999524] ? mem_encrypt_init+0xb/0xb [ 37.003510] ? early_idt_handler_common+0x3b/0x60 [ 37.008394] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 37.013936] ? x86_family+0x3e/0x50 [ 37.017563] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 37.023107] x86_64_start_reservations+0x29/0x2b [ 37.027864] x86_64_start_kernel+0x76/0x79 [ 37.032113] secondary_startup_64+0xa4/0xb0 [ 37.036444] [ 37.038067] Allocated by task 5347: [ 37.041695] save_stack+0x43/0xd0 [ 37.045143] kasan_kmalloc+0xc7/0xe0 [ 37.048854] __kmalloc+0x14e/0x760 [ 37.052397] load_elf_phdrs+0x176/0x260 [ 37.056376] load_elf_binary+0x32b/0x5620 [ 37.060527] search_binary_handler+0x17d/0x570 [ 37.065108] __do_execve_file.isra.33+0x162f/0x2540 [ 37.070125] __x64_sys_execve+0x8f/0xc0 [ 37.074102] do_syscall_64+0x1b9/0x820 [ 37.077992] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 37.083172] [ 37.084795] Freed by task 5347: [ 37.088073] save_stack+0x43/0xd0 [ 37.091521] __kasan_slab_free+0x102/0x150 [ 37.095751] kasan_slab_free+0xe/0x10 [ 37.099562] kfree+0xcf/0x230 [ 37.102665] load_elf_binary+0x25b4/0x5620 [ 37.106898] search_binary_handler+0x17d/0x570 [ 37.111480] __do_execve_file.isra.33+0x162f/0x2540 [ 37.116493] __x64_sys_execve+0x8f/0xc0 [ 37.120468] do_syscall_64+0x1b9/0x820 [ 37.124359] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 37.129536] [ 37.131165] The buggy address belongs to the object at ffff8801bc947cc0 [ 37.131165] which belongs to the cache kmalloc-512 of size 512 [ 37.143831] The buggy address is located 240 bytes inside of [ 37.143831] 512-byte region [ffff8801bc947cc0, ffff8801bc947ec0) [ 37.155702] The buggy address belongs to the page: [ 37.160634] page:ffffea0006f251c0 count:1 mapcount:0 mapping:ffff8801da800940 index:0x0 [ 37.168796] flags: 0x2fffc0000000100(slab) [ 37.173038] raw: 02fffc0000000100 ffffea0006f30a48 ffffea0006f0a9c8 ffff8801da800940 [ 37.180928] raw: 0000000000000000 ffff8801bc947040 0000000100000006 0000000000000000 [ 37.188809] page dumped because: kasan: bad access detected [ 37.194520] [ 37.196139] Memory state around the buggy address: [ 37.201073] ffff8801bc947c80: fc fc fc fc fc fc fc fc fb fb fb fb fb fb fb fb [ 37.208452] ffff8801bc947d00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 37.215825] >ffff8801bc947d80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 37.223180] ^ [ 37.228104] ffff8801bc947e00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 37.235463] ffff8801bc947e80: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc [ 37.242823] ================================================================== [ 37.250174] Disabling lock debugging due to kernel taint [ 37.255719] Kernel panic - not syncing: panic_on_warn set ... [ 37.255719] [ 37.263091] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G B 4.19.0-rc4+ #227 [ 37.271136] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 37.280495] Call Trace: [ 37.283086] [ 37.285268] dump_stack+0x1c4/0x2b4 [ 37.288896] ? dump_stack_print_info.cold.2+0x52/0x52 [ 37.294092] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 37.298847] panic+0x238/0x4e7 [ 37.302035] ? add_taint.cold.5+0x16/0x16 [ 37.306187] ? trace_hardirqs_on+0xb4/0x310 [ 37.310508] kasan_end_report+0x47/0x4f [ 37.314485] kasan_report.cold.9+0x76/0x309 [ 37.318801] ? tls_write_space+0x29d/0x2d0 [ 37.323039] __asan_report_load8_noabort+0x14/0x20 [ 37.327968] tls_write_space+0x29d/0x2d0 [ 37.332029] ? tcp_sndbuf_expand+0x250/0x2c0 [ 37.336444] tcp_check_space+0x53f/0x920 [ 37.340503] ? tcp_prune_ofo_queue.part.52+0x8e0/0x8e0 [ 37.345789] ? tcp_xmit_recovery.part.65+0x130/0x130 [ 37.350903] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 37.356479] tcp_rcv_established+0xde8/0x2120 [ 37.360988] ? tcp_data_queue+0x4790/0x4790 [ 37.365316] ? graph_lock+0x170/0x170 [ 37.369127] ? tcp_v6_rcv+0x2d01/0x38a0 [ 37.373129] ? lock_release+0x970/0x970 [ 37.377126] tcp_v6_do_rcv+0x4b3/0x13c0 [ 37.381120] tcp_v6_rcv+0x2f7a/0x38a0 [ 37.384935] ? __sanitizer_cov_trace_cmp8+0x8/0x20 [ 37.389890] ? tcp_v6_reqsk_send_ack+0x380/0x380 [ 37.394988] ? __lock_is_held+0xb5/0x140 [ 37.399060] ip6_input_finish+0x3fc/0x1aa0 [ 37.403314] ? ip6_sublist_rcv+0xfb0/0xfb0 [ 37.407545] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 37.412556] ? nf_hook_slow+0x11e/0x1c0 [ 37.416528] ip6_input+0xe9/0x600 [ 37.419983] ? ip6_input_finish+0x1aa0/0x1aa0 [ 37.424478] ? ip6_sublist_rcv+0xfb0/0xfb0 [ 37.428716] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 37.434511] ? kasan_check_read+0x11/0x20 [ 37.438656] ? rcu_bh_qs+0xc0/0xc0 [ 37.442197] ip6_rcv_finish+0x17a/0x330 [ 37.446182] ipv6_rcv+0x113/0x640 [ 37.449632] ? ip6_rcv_core.isra.16+0x1e10/0x1e10 [ 37.454474] ? ip6_rcv_finish_core.isra.13+0x720/0x720 [ 37.459752] ? lock_acquire+0x1ed/0x520 [ 37.463751] __netif_receive_skb_one_core+0x14d/0x200 [ 37.468968] ? __netif_receive_skb_core+0x3b60/0x3b60 [ 37.474242] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 37.479515] ? rcu_bh_qs+0xc0/0xc0 [ 37.483054] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 37.488504] __netif_receive_skb+0x2c/0x1e0 [ 37.492829] process_backlog+0x217/0x760 [ 37.496898] net_rx_action+0x7c5/0x1950 [ 37.500880] ? rcu_process_callbacks+0x16b8/0x2670 [ 37.506320] ? napi_complete_done+0x6d0/0x6d0 [ 37.510847] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 37.515874] ? find_held_lock+0x36/0x1c0 [ 37.519938] ? rebalance_domains+0x358/0xdc0 [ 37.524351] ? lock_downgrade+0x900/0x900 [ 37.528494] ? check_preemption_disabled+0x48/0x200 [ 37.533512] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 37.539307] ? kasan_check_read+0x11/0x20 [ 37.543458] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 37.548732] ? rcu_bh_qs+0xc0/0xc0 [ 37.552278] ? rebalance_domains+0x375/0xdc0 [ 37.556692] ? load_balance+0x3430/0x3430 [ 37.560835] ? enqueue_hrtimer+0x1a5/0x560 [ 37.565067] ? lock_release+0x970/0x970 [ 37.569041] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 37.574231] ? find_held_lock+0x36/0x1c0 [ 37.578316] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 37.583873] ? check_preemption_disabled+0x48/0x200 [ 37.588886] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 37.594415] ? check_preemption_disabled+0x48/0x200 [ 37.599436] ? check_preemption_disabled+0x48/0x200 [ 37.604491] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 37.610023] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 37.615300] ? rcu_pm_notify+0xc0/0xc0 [ 37.619209] __do_softirq+0x30b/0xad8 [ 37.623015] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 37.628143] ? pvclock_read_flags+0x160/0x160 [ 37.632629] ? lapic_next_event+0x5a/0x90 [ 37.636804] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 37.642352] ? check_preemption_disabled+0x48/0x200 [ 37.647385] ? check_preemption_disabled+0x48/0x200 [ 37.652400] ? kvm_clock_read+0x18/0x30 [ 37.656372] ? kvm_sched_clock_read+0x9/0x20 [ 37.660782] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 37.666316] ? check_preemption_disabled+0x48/0x200 [ 37.671335] irq_exit+0x17f/0x1c0 [ 37.674798] smp_apic_timer_interrupt+0x1cb/0x760 [ 37.679643] ? smp_reschedule_interrupt+0x109/0x650 [ 37.684657] ? smp_call_function_single_interrupt+0x650/0x650 [ 37.690536] ? interrupt_entry+0xb5/0xf0 [ 37.694611] ? trace_hardirqs_off_caller+0xbb/0x310 [ 37.699625] ? trace_hardirqs_off_caller+0xbb/0x310 [ 37.704642] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 37.709507] ? trace_hardirqs_on_caller+0x310/0x310 [ 37.714522] ? trace_hardirqs_on_caller+0x310/0x310 [ 37.719546] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 37.725080] ? check_preemption_disabled+0x48/0x200 [ 37.730091] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 37.735628] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 37.740470] apic_timer_interrupt+0xf/0x20 [ 37.744692] [ 37.746931] RIP: 0010:native_safe_halt+0x6/0x10 [ 37.751600] Code: e9 2c ff ff ff 48 89 c7 48 89 45 d8 e8 73 43 01 fa 48 8b 45 d8 e9 ca fe ff ff 48 89 df e8 62 43 01 fa eb 82 55 48 89 e5 fb f4 <5d> c3 0f 1f 84 00 00 00 00 00 55 48 89 e5 f4 5d c3 90 90 90 90 90 [ 37.770520] RSP: 0018:ffffffff89607bb8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 37.778258] RAX: dffffc0000000000 RBX: 1ffffffff12c0f7b RCX: 0000000000000000 [ 37.785534] RDX: 1ffffffff12e4540 RSI: 0000000000000001 RDI: ffffffff89722a00 [ 37.792812] RBP: ffffffff89607bb8 R08: ffffffff89675fc0 R09: 0000000000000000 [ 37.800088] R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff89607c78 [ 37.807363] R13: ffffffff8a5182e0 R14: 0000000000000000 R15: 0000000000000000 [ 37.814699] default_idle+0xbf/0x490 [ 37.818437] ? rcu_dynticks_eqs_enter+0x4c/0x70 [ 37.823107] ? __sched_text_end+0x1/0x1 [ 37.827080] ? rcu_idle_enter+0x329/0x4b0 [ 37.831231] ? rcu_eqs_special_set+0x1b0/0x1b0 [ 37.835811] ? tsc_verify_tsc_adjust+0x137/0x460 [ 37.840564] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 37.846458] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 37.851991] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 37.857522] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 37.863061] arch_cpu_idle+0x10/0x20 [ 37.866788] default_idle_call+0x6d/0x90 [ 37.870876] do_idle+0x3db/0x5b0 [ 37.874256] ? arch_cpu_idle_exit+0x70/0x70 [ 37.878584] ? check_preemption_disabled+0x48/0x200 [ 37.883598] ? __schedule+0x1ed0/0x1ed0 [ 37.887609] cpu_startup_entry+0x10c/0x120 [ 37.891847] ? cpu_in_idle+0x20/0x20 [ 37.895579] rest_init+0xe2/0xe5 [ 37.898944] start_kernel+0x8f4/0x92f [ 37.902743] ? mem_encrypt_init+0xb/0xb [ 37.906762] ? early_idt_handler_common+0x3b/0x60 [ 37.911654] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 37.917200] ? x86_family+0x3e/0x50 [ 37.920840] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 37.926382] x86_64_start_reservations+0x29/0x2b [ 37.931136] x86_64_start_kernel+0x76/0x79 [ 37.935373] secondary_startup_64+0xa4/0xb0 [ 37.940612] Kernel Offset: disabled [ 37.944236] Rebooting in 86400 seconds..