[....] Starting file context maintaining daemon: restorecond[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c.
[....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c.
Debian GNU/Linux 7 syzkaller ttyS0
syzkaller login: [ 13.576477] random: sshd: uninitialized urandom read (32 bytes read)
[ 13.944139] audit: type=1400 audit(1573653601.409:6): avc: denied { map } for pid=1762 comm="bash" path="/bin/bash" dev="sda1" ino=1457 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1
[ 13.985127] random: sshd: uninitialized urandom read (32 bytes read)
[ 14.527379] random: sshd: uninitialized urandom read (32 bytes read)
[ 14.680688] random: sshd: uninitialized urandom read (32 bytes read)
Warning: Permanently added '10.128.10.17' (ECDSA) to the list of known hosts.
[ 20.268305] random: sshd: uninitialized urandom read (32 bytes read)
executing program
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[ 20.360541] audit: type=1400 audit(1573653607.829:7): avc: denied { map } for pid=1774 comm="syz-executor851" path="/root/syz-executor851443004" dev="sda1" ino=16481 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1
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[ 21.720973] ==================================================================
[ 21.728381] BUG: KASAN: stack-out-of-bounds in unwind_next_frame+0x169f/0x1810
[ 21.735769] Read of size 8 at addr ffff8881db8076f8 by task syz-executor851/2477
[ 21.743298]
[ 21.744906] CPU: 0 PID: 2477 Comm: syz-executor851 Not tainted 4.14.153+ #0
[ 21.751992] Call Trace:
[ 21.754560]
[ 21.756691] dump_stack+0xca/0x134
[ 21.760217] ? unwind_next_frame+0x169f/0x1810
[ 21.764773] ? unwind_next_frame+0x169f/0x1810
[ 21.769336] print_address_description+0x60/0x226
[ 21.774163] ? unwind_next_frame+0x169f/0x1810
[ 21.778720] ? unwind_next_frame+0x169f/0x1810
[ 21.783278] __kasan_report.cold+0x1a/0x41
[ 21.787493] ? unwind_next_frame+0x169f/0x1810
[ 21.792050] unwind_next_frame+0x169f/0x1810
[ 21.796434] ? retint_kernel+0x1b/0x2d
[ 21.800302] ? deref_stack_reg+0xe0/0xe0
[ 21.804339] ? __lock_acquire+0x5d7/0x4320
[ 21.808556] ? retint_kernel+0x1b/0x2d
[ 21.812417] perf_callchain_kernel+0x3a0/0x540
[ 21.816975] ? arch_perf_update_userpage+0x330/0x330
[ 21.822054] ? sk_filter_trim_cap+0x15f/0x7f0
[ 21.826540] get_perf_callchain+0x2f5/0x770
[ 21.830846] ? put_callchain_buffers+0x60/0x60
[ 21.835407] ? perf_output_begin_forward+0x6ba/0xa50
[ 21.840485] ? lock_downgrade+0x630/0x630
[ 21.844610] ? __unwind_start+0x2bd/0x810
[ 21.848737] perf_callchain+0x147/0x190
[ 21.852689] perf_prepare_sample+0x6a8/0x1360
[ 21.857161] ? perf_output_sample+0x1700/0x1700
[ 21.861806] perf_event_output_forward+0xdc/0x220
[ 21.866621] ? perf_prepare_sample+0x1360/0x1360
[ 21.871354] ? check_preemption_disabled+0x35/0x1f0
[ 21.876355] ? get_perf_callchain+0x58b/0x770
[ 21.880825] ? check_preemption_disabled+0x35/0x1f0
[ 21.885827] __perf_event_overflow+0x12d/0x340
[ 21.890396] perf_swevent_overflow+0x7a/0xf0
[ 21.894784] perf_swevent_event+0x112/0x270
[ 21.899079] perf_tp_event+0x633/0x7f0
[ 21.902952] ? __lock_acquire+0x5d7/0x4320
[ 21.907168] ? perf_swevent_put_recursion_context+0xa0/0xa0
[ 21.912863] ? HARDIRQ_verbose+0x10/0x10
[ 21.916909] ? __is_insn_slot_addr+0x109/0x1e0
[ 21.921467] ? lock_downgrade+0x630/0x630
[ 21.925588] ? lock_acquire+0x12b/0x360
[ 21.929535] ? __free_insn_slot+0x490/0x490
[ 21.933840] ? check_preemption_disabled+0x35/0x1f0
[ 21.938835] ? __is_insn_slot_addr+0x130/0x1e0
[ 21.943405] ? kernel_text_address+0xfe/0x120
[ 21.947884] ? __kernel_text_address+0x9/0x30
[ 21.952355] ? unwind_get_return_address+0x51/0x90
[ 21.957261] ? perf_trace_run_bpf_submit+0x113/0x170
[ 21.962339] ? depot_save_stack+0x11d/0x418
[ 21.966635] ? check_preemption_disabled+0x35/0x1f0
[ 21.971635] perf_trace_run_bpf_submit+0x113/0x170
[ 21.976717] perf_trace_lock_acquire+0x341/0x4e0
[ 21.981451] ? receive_buf+0x4fc/0x4300
[ 21.985399] ? HARDIRQ_verbose+0x10/0x10
[ 21.989438] ? preempt_schedule_irq+0x5e/0xa0
[ 21.993908] ? retint_kernel+0x1b/0x2d
[ 21.998115] ? lock_acquire+0x170/0x360
[ 22.002067] ? free_pgtables+0xab/0x1c0
[ 22.006106] lock_acquire+0x279/0x360
[ 22.009916] ? sk_filter_trim_cap+0x15f/0x7f0
[ 22.014397] sk_filter_trim_cap+0x18e/0x7f0
[ 22.018701] ? sk_filter_trim_cap+0x15f/0x7f0
[ 22.023176] ? sk_skb_prologue+0xa40/0xa40
[ 22.027390] ? refcount_inc+0x40/0x40
[ 22.031167] ? __skb_clone+0x5d4/0x7d0
[ 22.035029] ? kmem_cache_alloc+0x2c0/0x360
[ 22.039324] sock_queue_rcv_skb+0x20/0x50
[ 22.043458] packet_rcv_spkt+0x39e/0x4d0
[ 22.047518] __netif_receive_skb_core+0xa71/0x2cf0
[ 22.052425] ? trace_hardirqs_on+0x10/0x10
[ 22.056632] ? perf_trace_lock_acquire+0x2a0/0x4e0
[ 22.061546] ? flush_backlog+0x580/0x580
[ 22.068619] ? HARDIRQ_verbose+0x10/0x10
[ 22.073479] ? netif_receive_skb_internal+0x3dd/0x5f0
[ 22.078647] ? mark_held_locks+0xa6/0xf0
[ 22.082684] ? __netif_receive_skb+0x66/0x210
[ 22.087155] __netif_receive_skb+0x66/0x210
[ 22.091538] netif_receive_skb_internal+0x11f/0x5f0
[ 22.096533] ? dev_cpu_dead+0x810/0x810
[ 22.100493] ? dev_gro_receive+0x157/0x16d0
[ 22.104803] ? check_preemption_disabled+0x35/0x1f0
[ 22.109795] napi_gro_receive+0x206/0x410
[ 22.113921] receive_buf+0x4fc/0x4300
[ 22.117714] ? virtnet_xdp_xmit.isra.0+0x780/0x780
[ 22.122619] ? __lock_acquire+0x5d7/0x4320
[ 22.126831] ? vring_unmap_one+0x15/0x3e0
[ 22.130963] ? update_curr+0x294/0x660
[ 22.134829] ? detach_buf+0x422/0x580
[ 22.138609] ? virtqueue_get_buf_ctx+0x3df/0x690
[ 22.143341] virtnet_poll+0x4e6/0x9f0
[ 22.147114] ? virtnet_restore+0x8d0/0x8d0
[ 22.151332] ? mark_held_locks+0xa6/0xf0
[ 22.155368] ? net_rx_action+0x213/0xcd0
[ 22.159403] net_rx_action+0x366/0xcd0
[ 22.163274] ? napi_complete_done+0x3b0/0x3b0
[ 22.167746] __do_softirq+0x234/0x9ec
[ 22.171537] ? check_preemption_disabled+0x35/0x1f0
[ 22.176542] irq_exit+0x114/0x150
[ 22.179971] do_IRQ+0x104/0x1c0
[ 22.183225] common_interrupt+0x8c/0x8c
[ 22.187191]
[ 22.189407] RIP: 0010:_raw_spin_unlock_irq+0x2b/0x50
[ 22.194482] RSP: 0018:ffff8881ce26f290 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff6e
[ 22.202164] RAX: 0000000000000007 RBX: 0000000000000001 RCX: 1ffff11039c3510a
[ 22.209425] RDX: 0000000000000000 RSI: ffff8881ce1a8858 RDI: ffff8881ce1a882c
[ 22.216668] RBP: ffff8881db829240 R08: 0000000000000001 R09: 0000000000000000
[ 22.223912] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881db829240
[ 22.231157] R13: ffff8881ce36de00 R14: 0000000000000000 R15: ffff8881ce1a8000
[ 22.238414] finish_task_switch+0x204/0x660
[ 22.242710] ? finish_task_switch+0x1d9/0x660
[ 22.247180] ? __switch_to_asm+0x41/0x70
[ 22.251216] ? __switch_to_asm+0x35/0x70
[ 22.255252] __schedule+0x894/0x1f80
[ 22.258942] ? perf_trace_run_bpf_submit+0x113/0x170
[ 22.264023] ? __sched_text_start+0x8/0x8
[ 22.268148] ? mark_held_locks+0xa6/0xf0
[ 22.272184] ? preempt_schedule_irq+0x4d/0xa0
[ 22.276654] preempt_schedule_irq+0x5e/0xa0
[ 22.280951] retint_kernel+0x1b/0x2d
[ 22.284643] RIP: 0010:lock_acquire+0x170/0x360
[ 22.289195] RSP: 0018:ffff8881ce26f4a8 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff02
[ 22.296875] RAX: 0000000000000007 RBX: ffff8881ce1a8000 RCX: 1ffff11039c3510f
[ 22.304120] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000246
[ 22.311363] RBP: ffffffff972d4ee0 R08: 0000000000000000 R09: 0000000000000001
[ 22.318619] R10: ffff8881ce1a8858 R11: be6bad34bd2590a9 R12: 0000000000000000
[ 22.325868] R13: 0000000000000000 R14: 0000000000000002 R15: 0000000000000000
[ 22.333916] __is_insn_slot_addr+0x3d/0x1e0
[ 22.338210] ? __free_insn_slot+0x490/0x490
[ 22.342516] kernel_text_address+0xfe/0x120
[ 22.346810] __kernel_text_address+0x9/0x30
[ 22.351107] unwind_get_return_address+0x51/0x90
[ 22.355849] __save_stack_trace+0x8a/0xf0
[ 22.359979] __kasan_slab_free+0x164/0x210
[ 22.364197] ? __kasan_slab_free+0x164/0x210
[ 22.368587] ? kmem_cache_free+0xd7/0x3b0
[ 22.373235] ? unlink_anon_vmas+0x284/0x7e0
[ 22.377550] ? free_pgtables+0xab/0x1c0
[ 22.381500] ? exit_mmap+0x222/0x440
[ 22.385188] ? mmput+0xeb/0x370
[ 22.388455] ? do_exit+0x905/0x2a20
[ 22.392063] ? do_group_exit+0x100/0x2e0
[ 22.396109] ? get_signal+0x39f/0x1cc0
[ 22.400169] ? do_signal+0x96/0x15d0
[ 22.403869] ? exit_to_usermode_loop+0x11d/0x160
[ 22.408688] ? do_syscall_64+0x3a3/0x520
[ 22.412728] ? entry_SYSCALL_64_after_hwframe+0x42/0xb7
[ 22.418071] ? debug_check_no_obj_freed+0x2a9/0x5c0
[ 22.423081] ? mark_held_locks+0xa6/0xf0
[ 22.427138] ? _raw_spin_unlock_irqrestore+0x54/0x70
[ 22.432237] ? trace_hardirqs_on_caller+0x37b/0x540
[ 22.437245] ? _raw_spin_unlock_irqrestore+0x41/0x70
[ 22.442325] ? debug_check_no_obj_freed+0x2a9/0x5c0
[ 22.447331] ? debug_object_activate+0x4f0/0x4f0
[ 22.452075] ? mark_held_locks+0xa6/0xf0
[ 22.456117] ? kmem_cache_free+0xb2/0x3b0
[ 22.460241] ? unlink_anon_vmas+0x284/0x7e0
[ 22.464540] kmem_cache_free+0xd7/0x3b0
[ 22.468494] unlink_anon_vmas+0x284/0x7e0
[ 22.472641] ? up_write+0x17/0x60
[ 22.476076] free_pgtables+0xab/0x1c0
[ 22.480013] exit_mmap+0x222/0x440
[ 22.483622] ? SyS_munmap+0x30/0x30
[ 22.487242] ? exit_aio+0x264/0x340
[ 22.490851] ? reacquire_held_locks+0xb5/0x3f0
[ 22.495432] mmput+0xeb/0x370
[ 22.498573] do_exit+0x905/0x2a20
[ 22.502008] ? HARDIRQ_verbose+0x10/0x10
[ 22.506056] ? mm_update_next_owner+0x610/0x610
[ 22.510996] ? get_signal+0x334/0x1cc0
[ 22.514912] ? lock_downgrade+0x630/0x630
[ 22.519042] ? lock_acquire+0x12b/0x360
[ 22.523052] do_group_exit+0x100/0x2e0
[ 22.526929] get_signal+0x39f/0x1cc0
[ 22.530621] ? check_preemption_disabled+0x35/0x1f0
[ 22.535652] do_signal+0x96/0x15d0
[ 22.539176] ? get_unused_fd_flags+0xc0/0xc0
[ 22.543587] ? SyS_perf_event_open+0x19c3/0x2560
[ 22.548359] ? wait_for_completion_io+0x10/0x10
[ 22.553023] ? mark_held_locks+0xa6/0xf0
[ 22.557064] ? setup_sigcontext+0x810/0x810
[ 22.561376] ? SyS_perf_event_open+0x633/0x2560
[ 22.566038] ? SyS_futex+0x1c5/0x2c3
[ 22.569818] ? SyS_futex+0x1cf/0x2c3
[ 22.573509] ? do_futex+0x1980/0x1980
[ 22.577286] ? exit_to_usermode_loop+0xcd/0x160
[ 22.581936] exit_to_usermode_loop+0x11d/0x160
[ 22.586513] do_syscall_64+0x3a3/0x520
[ 22.590386] entry_SYSCALL_64_after_hwframe+0x42/0xb7
[ 22.595557] RIP: 0033:0x446a09
[ 22.598725] RSP: 002b:00007f6522d15d98 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
[ 22.606410] RAX: fffffffffffffe00 RBX: 00000000006dbc38 RCX: 0000000000446a09
[ 22.613763] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00000000006dbc38
[ 22.621312] RBP: 00000000006dbc30 R08: 0000000000000000 R09: 0000000000000000
[ 22.628566] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc3c
[ 22.635820] R13: 0000000000000000 R14: 00000030656c6966 R15: 2f30656c69662f2e
[ 22.643071]
[ 22.644676] The buggy address belongs to the page:
[ 22.649582] page:ffffea00076e01c0 count:1 mapcount:0 mapping: (null) index:0x0
[ 22.657702] flags: 0x4000000000001000(reserved)
[ 22.662352] raw: 4000000000001000 0000000000000000 0000000000000000 00000001ffffffff
[ 22.670602] raw: ffffea00076e01e0 ffffea00076e01e0 0000000000000000 0000000000000000
[ 22.678463] page dumped because: kasan: bad access detected
[ 22.684161]
[ 22.685767] Memory state around the buggy address:
[ 22.690680] ffff8881db807580: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[ 22.698019] ffff8881db807600: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[ 22.705354] >ffff8881db807680: 00 00 00 00 00 00 f1 f1 f1 f1 f1 f1 04 f2 00 f3
[ 22.712691] ^
[ 22.719942] ffff8881db807700: f3 f3 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[ 22.727301] ffff8881db807780: 00 00 00 00 00 00 00 00 00 00 00 00 00 f1 f1 f1
[ 22.734648] ==================================================================
[ 22.741983] Disabling lock debugging due to kernel taint
[ 22.747422] Kernel panic - not syncing: panic_on_warn set ...
[ 22.747422]
[ 22.754761] CPU: 0 PID: 2477 Comm: syz-executor851 Tainted: G B 4.14.153+ #0
[ 22.763068] Call Trace:
[ 22.765629]
[ 22.767761] dump_stack+0xca/0x134
[ 22.771301] panic+0x1f1/0x3da
[ 22.774471] ? add_taint.cold+0x16/0x16
[ 22.778426] ? lock_downgrade+0x630/0x630
[ 22.782566] ? unwind_next_frame+0x169f/0x1810
[ 22.787127] end_report+0x43/0x49
[ 22.790560] ? unwind_next_frame+0x169f/0x1810
[ 22.795128] __kasan_report.cold+0xd/0x41
[ 22.799253] ? unwind_next_frame+0x169f/0x1810
[ 22.803829] unwind_next_frame+0x169f/0x1810
[ 22.808217] ? retint_kernel+0x1b/0x2d
[ 22.812085] ? deref_stack_reg+0xe0/0xe0
[ 22.816130] ? __lock_acquire+0x5d7/0x4320
[ 22.820339] ? retint_kernel+0x1b/0x2d
[ 22.824203] perf_callchain_kernel+0x3a0/0x540
[ 22.828764] ? arch_perf_update_userpage+0x330/0x330
[ 22.833846] ? sk_filter_trim_cap+0x15f/0x7f0
[ 22.838321] get_perf_callchain+0x2f5/0x770
[ 22.842634] ? put_callchain_buffers+0x60/0x60
[ 22.847206] ? perf_output_begin_forward+0x6ba/0xa50
[ 22.852288] ? lock_downgrade+0x630/0x630
[ 22.856410] ? __unwind_start+0x2bd/0x810
[ 22.860535] perf_callchain+0x147/0x190
[ 22.864485] perf_prepare_sample+0x6a8/0x1360
[ 22.868958] ? perf_output_sample+0x1700/0x1700
[ 22.873604] perf_event_output_forward+0xdc/0x220
[ 22.878424] ? perf_prepare_sample+0x1360/0x1360
[ 22.883158] ? check_preemption_disabled+0x35/0x1f0
[ 22.888150] ? get_perf_callchain+0x58b/0x770
[ 22.892723] ? check_preemption_disabled+0x35/0x1f0
[ 22.897722] __perf_event_overflow+0x12d/0x340
[ 22.902300] perf_swevent_overflow+0x7a/0xf0
[ 22.906689] perf_swevent_event+0x112/0x270
[ 22.910989] perf_tp_event+0x633/0x7f0
[ 22.914854] ? __lock_acquire+0x5d7/0x4320
[ 22.919066] ? perf_swevent_put_recursion_context+0xa0/0xa0
[ 22.924769] ? HARDIRQ_verbose+0x10/0x10
[ 22.928824] ? __is_insn_slot_addr+0x109/0x1e0
[ 22.933392] ? lock_downgrade+0x630/0x630
[ 22.937524] ? lock_acquire+0x12b/0x360
[ 22.941480] ? __free_insn_slot+0x490/0x490
[ 22.945809] ? check_preemption_disabled+0x35/0x1f0
[ 22.950810] ? __is_insn_slot_addr+0x130/0x1e0
[ 22.955371] ? kernel_text_address+0xfe/0x120
[ 22.959851] ? __kernel_text_address+0x9/0x30
[ 22.964323] ? unwind_get_return_address+0x51/0x90
[ 22.969242] ? perf_trace_run_bpf_submit+0x113/0x170
[ 22.974324] ? depot_save_stack+0x11d/0x418
[ 22.978623] ? check_preemption_disabled+0x35/0x1f0
[ 22.983618] perf_trace_run_bpf_submit+0x113/0x170
[ 22.988529] perf_trace_lock_acquire+0x341/0x4e0
[ 22.993264] ? receive_buf+0x4fc/0x4300
[ 22.997230] ? HARDIRQ_verbose+0x10/0x10
[ 23.001281] ? preempt_schedule_irq+0x5e/0xa0
[ 23.005753] ? retint_kernel+0x1b/0x2d
[ 23.009632] ? lock_acquire+0x170/0x360
[ 23.013694] ? free_pgtables+0xab/0x1c0
[ 23.017737] lock_acquire+0x279/0x360
[ 23.021518] ? sk_filter_trim_cap+0x15f/0x7f0
[ 23.025995] sk_filter_trim_cap+0x18e/0x7f0
[ 23.030298] ? sk_filter_trim_cap+0x15f/0x7f0
[ 23.034786] ? sk_skb_prologue+0xa40/0xa40
[ 23.039001] ? refcount_inc+0x40/0x40
[ 23.042788] ? __skb_clone+0x5d4/0x7d0
[ 23.046652] ? kmem_cache_alloc+0x2c0/0x360
[ 23.050953] sock_queue_rcv_skb+0x20/0x50
[ 23.055093] packet_rcv_spkt+0x39e/0x4d0
[ 23.059136] __netif_receive_skb_core+0xa71/0x2cf0
[ 23.064058] ? trace_hardirqs_on+0x10/0x10
[ 23.068283] ? perf_trace_lock_acquire+0x2a0/0x4e0
[ 23.073758] ? flush_backlog+0x580/0x580
[ 23.077914] ? HARDIRQ_verbose+0x10/0x10
[ 23.081996] ? netif_receive_skb_internal+0x3dd/0x5f0
[ 23.087181] ? mark_held_locks+0xa6/0xf0
[ 23.091225] ? __netif_receive_skb+0x66/0x210
[ 23.095723] __netif_receive_skb+0x66/0x210
[ 23.100029] netif_receive_skb_internal+0x11f/0x5f0
[ 23.105034] ? dev_cpu_dead+0x810/0x810
[ 23.109002] ? dev_gro_receive+0x157/0x16d0
[ 23.113303] ? check_preemption_disabled+0x35/0x1f0
[ 23.118299] napi_gro_receive+0x206/0x410
[ 23.127161] receive_buf+0x4fc/0x4300
[ 23.130946] ? virtnet_xdp_xmit.isra.0+0x780/0x780
[ 23.135852] ? __lock_acquire+0x5d7/0x4320
[ 23.140078] ? vring_unmap_one+0x15/0x3e0
[ 23.144203] ? update_curr+0x294/0x660
[ 23.148065] ? detach_buf+0x422/0x580
[ 23.151857] ? virtqueue_get_buf_ctx+0x3df/0x690
[ 23.156590] virtnet_poll+0x4e6/0x9f0
[ 23.160368] ? virtnet_restore+0x8d0/0x8d0
[ 23.164592] ? mark_held_locks+0xa6/0xf0
[ 23.168635] ? net_rx_action+0x213/0xcd0
[ 23.173039] net_rx_action+0x366/0xcd0
[ 23.176921] ? napi_complete_done+0x3b0/0x3b0
[ 23.181397] __do_softirq+0x234/0x9ec
[ 23.185177] ? check_preemption_disabled+0x35/0x1f0
[ 23.190171] irq_exit+0x114/0x150
[ 23.193605] do_IRQ+0x104/0x1c0
[ 23.196872] common_interrupt+0x8c/0x8c
[ 23.200825]
[ 23.203037] RIP: 0010:_raw_spin_unlock_irq+0x2b/0x50
[ 23.208113] RSP: 0018:ffff8881ce26f290 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff6e
[ 23.215797] RAX: 0000000000000007 RBX: 0000000000000001 RCX: 1ffff11039c3510a
[ 23.223046] RDX: 0000000000000000 RSI: ffff8881ce1a8858 RDI: ffff8881ce1a882c
[ 23.230290] RBP: ffff8881db829240 R08: 0000000000000001 R09: 0000000000000000
[ 23.237556] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881db829240
[ 23.244817] R13: ffff8881ce36de00 R14: 0000000000000000 R15: ffff8881ce1a8000
[ 23.252089] finish_task_switch+0x204/0x660
[ 23.256399] ? finish_task_switch+0x1d9/0x660
[ 23.260872] ? __switch_to_asm+0x41/0x70
[ 23.264935] ? __switch_to_asm+0x35/0x70
[ 23.268999] __schedule+0x894/0x1f80
[ 23.273223] ? perf_trace_run_bpf_submit+0x113/0x170
[ 23.278314] ? __sched_text_start+0x8/0x8
[ 23.282538] ? mark_held_locks+0xa6/0xf0
[ 23.286583] ? preempt_schedule_irq+0x4d/0xa0
[ 23.291118] preempt_schedule_irq+0x5e/0xa0
[ 23.295423] retint_kernel+0x1b/0x2d
[ 23.299116] RIP: 0010:lock_acquire+0x170/0x360
[ 23.303674] RSP: 0018:ffff8881ce26f4a8 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff02
[ 23.311404] RAX: 0000000000000007 RBX: ffff8881ce1a8000 RCX: 1ffff11039c3510f
[ 23.318652] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000246
[ 23.326010] RBP: ffffffff972d4ee0 R08: 0000000000000000 R09: 0000000000000001
[ 23.333270] R10: ffff8881ce1a8858 R11: be6bad34bd2590a9 R12: 0000000000000000
[ 23.340518] R13: 0000000000000000 R14: 0000000000000002 R15: 0000000000000000
[ 23.347801] __is_insn_slot_addr+0x3d/0x1e0
[ 23.352104] ? __free_insn_slot+0x490/0x490
[ 23.356404] kernel_text_address+0xfe/0x120
[ 23.360714] __kernel_text_address+0x9/0x30
[ 23.365015] unwind_get_return_address+0x51/0x90
[ 23.369749] __save_stack_trace+0x8a/0xf0
[ 23.373903] __kasan_slab_free+0x164/0x210
[ 23.378125] ? __kasan_slab_free+0x164/0x210
[ 23.382512] ? kmem_cache_free+0xd7/0x3b0
[ 23.386635] ? unlink_anon_vmas+0x284/0x7e0
[ 23.390947] ? free_pgtables+0xab/0x1c0
[ 23.394898] ? exit_mmap+0x222/0x440
[ 23.398591] ? mmput+0xeb/0x370
[ 23.401846] ? do_exit+0x905/0x2a20
[ 23.405450] ? do_group_exit+0x100/0x2e0
[ 23.411669] ? get_signal+0x39f/0x1cc0
[ 23.415548] ? do_signal+0x96/0x15d0
[ 23.419252] ? exit_to_usermode_loop+0x11d/0x160
[ 23.423983] ? do_syscall_64+0x3a3/0x520
[ 23.428033] ? entry_SYSCALL_64_after_hwframe+0x42/0xb7
[ 23.433376] ? debug_check_no_obj_freed+0x2a9/0x5c0
[ 23.438371] ? mark_held_locks+0xa6/0xf0
[ 23.442414] ? _raw_spin_unlock_irqrestore+0x54/0x70
[ 23.447507] ? trace_hardirqs_on_caller+0x37b/0x540
[ 23.452499] ? _raw_spin_unlock_irqrestore+0x41/0x70
[ 23.457581] ? debug_check_no_obj_freed+0x2a9/0x5c0
[ 23.462574] ? debug_object_activate+0x4f0/0x4f0
[ 23.467327] ? mark_held_locks+0xa6/0xf0
[ 23.471380] ? kmem_cache_free+0xb2/0x3b0
[ 23.475558] ? unlink_anon_vmas+0x284/0x7e0
[ 23.479865] kmem_cache_free+0xd7/0x3b0
[ 23.483848] unlink_anon_vmas+0x284/0x7e0
[ 23.487996] ? up_write+0x17/0x60
[ 23.491431] free_pgtables+0xab/0x1c0
[ 23.495224] exit_mmap+0x222/0x440
[ 23.498743] ? SyS_munmap+0x30/0x30
[ 23.502349] ? exit_aio+0x264/0x340
[ 23.506073] ? reacquire_held_locks+0xb5/0x3f0
[ 23.510669] mmput+0xeb/0x370
[ 23.513758] do_exit+0x905/0x2a20
[ 23.517200] ? HARDIRQ_verbose+0x10/0x10
[ 23.521251] ? mm_update_next_owner+0x610/0x610
[ 23.525919] ? get_signal+0x334/0x1cc0
[ 23.529818] ? lock_downgrade+0x630/0x630
[ 23.533959] ? lock_acquire+0x12b/0x360
[ 23.537911] do_group_exit+0x100/0x2e0
[ 23.541793] get_signal+0x39f/0x1cc0
[ 23.545485] ? check_preemption_disabled+0x35/0x1f0
[ 23.550480] do_signal+0x96/0x15d0
[ 23.554012] ? get_unused_fd_flags+0xc0/0xc0
[ 23.558403] ? SyS_perf_event_open+0x19c3/0x2560
[ 23.563151] ? wait_for_completion_io+0x10/0x10
[ 23.567825] ? mark_held_locks+0xa6/0xf0
[ 23.572295] ? setup_sigcontext+0x810/0x810
[ 23.576604] ? SyS_perf_event_open+0x633/0x2560
[ 23.581268] ? SyS_futex+0x1c5/0x2c3
[ 23.584965] ? SyS_futex+0x1cf/0x2c3
[ 23.588762] ? do_futex+0x1980/0x1980
[ 23.592592] ? exit_to_usermode_loop+0xcd/0x160
[ 23.597240] exit_to_usermode_loop+0x11d/0x160
[ 23.601802] do_syscall_64+0x3a3/0x520
[ 23.605697] entry_SYSCALL_64_after_hwframe+0x42/0xb7
[ 23.610865] RIP: 0033:0x446a09
[ 23.614032] RSP: 002b:00007f6522d15d98 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
[ 23.621718] RAX: fffffffffffffe00 RBX: 00000000006dbc38 RCX: 0000000000446a09
[ 23.629017] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00000000006dbc38
[ 23.636353] RBP: 00000000006dbc30 R08: 0000000000000000 R09: 0000000000000000
[ 23.643601] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc3c
[ 23.652847] R13: 0000000000000000 R14: 00000030656c6966 R15: 2f30656c69662f2e
[ 23.660720] Kernel Offset: 0x13e00000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff)
[ 23.671645] Rebooting in 86400 seconds..