Starting Permit User Sessions...
         Starting OpenBSD Secure Shell server...
[  OK  ] Started Permit User Sessions.
[  OK  ] Started Getty on tty2.
[  OK  ] Started Getty on tty6.
[  OK  ] Started Getty on tty5.
[  OK  ] Started Getty on tty1.
[  OK  ] Started Getty on tty3.
[  OK  ] Started Getty on tty4.
[  OK  ] Started OpenBSD Secure Shell server.
Warning: Permanently added '10.128.0.23' (ECDSA) to the list of known hosts.
[*     ] A start job is running for dev-ttyS0.device (8s / 1min 30s)[**    ] A start job is running for dev-ttyS0.device (9s / 1min 30s)[***   ] A start job is running for dev-ttyS0.device (9s / 1min 30s)[ ***  ] A start job is running for dev-ttyS0.device (10s / 1min 30s)[  *** ] A start job is running for dev-ttyS0.device (10s / 1min 30s)[   ***] A start job is running for dev-ttyS0.device (11s / 1min 30s)[    **] A start job is running for dev-ttyS0.device (12s / 1min 30s)[   19.945507][   T22] audit: type=1400 audit(1610088442.436:8): avc:  denied  { execmem } for  pid=362 comm="syz-executor048" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1
[   19.945620][  T362] ------------[ cut here ]------------
[   19.971456][  T362] WARNING: CPU: 0 PID: 362 at mm/page_alloc.c:4837 __alloc_pages_nodemask+0x529/0x7c0
[   19.980973][  T362] Kernel panic - not syncing: panic_on_warn set ...
[   19.987643][  T362] CPU: 0 PID: 362 Comm: syz-executor048 Not tainted 5.4.86-syzkaller-00037-g40124ac5f6c7 #0
[   19.997682][  T362] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   20.007705][  T362] Call Trace:
[   20.010969][  T362]  dump_stack+0x1dd/0x24e
[   20.015351][  T362]  ? devkmsg_release+0x11c/0x11c
[   20.020254][  T362]  ? show_regs_print_info+0x12/0x12
[   20.025415][  T362]  ? vprintk_store+0x690/0x690
[   20.030160][  T362]  ? unwind_next_frame+0x1aa9/0x1f30
[   20.035419][  T362]  ? __alloc_pages_nodemask+0x490/0x7c0
[   20.040938][  T362]  ? __alloc_pages_nodemask+0x490/0x7c0
[   20.046449][  T362]  panic+0x285/0x750
[   20.050311][  T362]  ? __warn+0xfa/0x200
[   20.054346][  T362]  ? nmi_panic+0x90/0x90
[   20.058569][  T362]  ? devkmsg_release+0x11c/0x11c
[   20.063473][  T362]  ? is_valid_bugaddr+0xa0/0x150
[   20.068400][  T362]  ? unwind_next_frame+0x1aa9/0x1f30
[   20.073651][  T362]  ? __alloc_pages_nodemask+0x529/0x7c0
[   20.079173][  T362]  __warn+0x1fd/0x200
[   20.083125][  T362]  ? __alloc_pages_nodemask+0x529/0x7c0
[   20.088649][  T362]  report_bug+0x390/0x4d0
[   20.092957][  T362]  ? __alloc_pages_nodemask+0x529/0x7c0
[   20.098468][  T362]  do_invalid_op+0x6e/0x110
[   20.102950][  T362]  invalid_op+0x1e/0x30
[   20.107082][  T362] RIP: 0010:__alloc_pages_nodemask+0x529/0x7c0
[   20.113207][  T362] Code: 24 e0 00 00 00 0f 85 a3 02 00 00 4c 89 e0 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 41 f7 c6 00 20 00 00 0f 85 c9 fc ff ff <0f> 0b 45 31 e4 eb 96 31 db e9 24 fc ff ff 65 48 8b 1c 25 80 ed 01
[   20.132789][  T362] RSP: 0018:ffff8881e84e7680 EFLAGS: 00010246
[   20.138826][  T362] RAX: ffff8881e84e7700 RBX: 000000000000000b RCX: 0000000000000000
[   20.146768][  T362] RDX: 0000000000000028 RSI: 0000000000000000 RDI: ffff8881e84e7728
[   20.154721][  T362] RBP: ffff8881e84e77b8 R08: dffffc0000000000 R09: ffff8881e84e7700
[   20.162675][  T362] R10: ffffed103d09cee5 R11: 0000000000000000 R12: 0000000000400060
[   20.170617][  T362] R13: ffff8881e84e7700 R14: 0000000000040dc0 R15: dffffc0000000000
[   20.178589][  T362]  ? _raw_spin_lock_irqsave+0xf8/0x210
[   20.184030][  T362]  ? gfp_pfmemalloc_allowed+0x130/0x130
[   20.189557][  T362]  ? stack_trace_snprint+0x150/0x150
[   20.194810][  T362]  kmalloc_order_trace+0x2a/0xf0
[   20.199714][  T362]  __kmalloc+0x266/0x2d0
[   20.203922][  T362]  ? kfree+0x12c/0x660
[   20.207958][  T362]  ? uinput_write+0xc40/0xf10
[   20.212604][  T362]  input_mt_init_slots+0xc5/0x9a0
[   20.217597][  T362]  uinput_ioctl_handler+0x1e65/0x2a10
[   20.222947][  T362]  ? uinput_release+0x50/0x50
[   20.227591][  T362]  ? __rcu_read_lock+0x50/0x50
[   20.232327][  T362]  ? avc_has_extended_perms+0x72a/0x1140
[   20.237937][  T362]  ? avc_has_extended_perms+0xb64/0x1140
[   20.243536][  T362]  ? uinput_write+0x540/0xf10
[   20.248178][  T362]  ? __kmalloc_track_caller+0x20e/0x2c0
[   20.253689][  T362]  ? kstrndup+0x53/0xb0
[   20.257811][  T362]  ? avc_ss_reset+0x3a0/0x3a0
[   20.262466][  T362]  ? mutex_unlock+0x19/0x40
[   20.266935][  T362]  ? uinput_write+0xc4d/0xf10
[   20.271583][  T362]  ? memset+0x1f/0x40
[   20.275545][  T362]  ? fsnotify+0x13a0/0x1460
[   20.280039][  T362]  ? uinput_poll+0x100/0x100
[   20.284595][  T362]  do_vfs_ioctl+0x769/0x1720
[   20.289151][  T362]  ? selinux_file_ioctl+0x72f/0x990
[   20.294330][  T362]  ? ioctl_preallocate+0x250/0x250
[   20.299409][  T362]  ? security_file_permission+0x128/0x300
[   20.305109][  T362]  ? vfs_write+0x42e/0x4f0
[   20.309508][  T362]  ? check_preemption_disabled+0x15a/0x330
[   20.315280][  T362]  ? debug_smp_processor_id+0x20/0x20
[   20.320619][  T362]  ? security_file_ioctl+0xad/0xc0
[   20.325697][  T362]  __x64_sys_ioctl+0xd4/0x110
[   20.330343][  T362]  do_syscall_64+0xcb/0x150
[   20.334815][  T362]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[   20.340673][  T362] RIP: 0033:0x440b29
[   20.344537][  T362] Code: 18 89 d0 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 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 bb 46 00 00 c3 66 2e 0f 1f 84 00 00 00 00
[   20.364108][  T362] RSP: 002b:00007fff0032f718 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[   20.373800][  T362] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 0000000000440b29
[   20.381741][  T362] RDX: 0000000000000000 RSI: 0000000000005501 RDI: 0000000000000003
[   20.389680][  T362] RBP: 00000000006cb018 R08: 00000000004002c8 R09: 00000000004002c8
[   20.397628][  T362] R10: 00000000004002c8 R11: 0000000000000246 R12: 00000000004023d0
[   20.405568][  T362] R13: 0000000000402460 R14: 0000000000000000 R15: 0000000000000000
[   20.414051][  T362] Kernel Offset: disabled
[   20.418362][  T362] Rebooting in 86400 seconds..