[ OK ] Started Daily apt upgrade and clean activities. [ OK ] Started Daily Cleanup of Temporary Directories. [ OK ] Reached target Timers. Starting System Logging Service... Starting OpenBSD Secure Shell server... [ OK ] Started Permit User Sessions. [ OK ] Found device /dev/ttyS0. [ OK ] Started System Logging Service. [ OK ] Started OpenBSD Secure Shell server. [ OK ] Started getty on tty2-tty6 if dbus and logind are not available. [ OK ] Listening on Load/Save RF Kill Switch Status /dev/rfkill Watch. [ OK ] Started Getty on tty6. [ OK ] Started Getty on tty5. [ OK ] Started Getty on tty4. [ OK ] Started Getty on tty3. [ OK ] Started Getty on tty2. [ OK ] Started Getty on tty1. [ OK ] Started Serial Getty on ttyS0. [ OK ] Reached target Login Prompts. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... Starting Load/Save RF Kill Switch Status... [ OK ] Started Update UTMP about System Runlevel Changes. [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.9' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 62.577343][ T28] audit: type=1400 audit(1594333259.984:8): avc: denied { execmem } for pid=6856 comm="syz-executor808" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 62.800895][ C1] general protection fault, probably for non-canonical address 0x1ffffffff135a814: 0000 [#1] PREEMPT SMP KASAN [ 62.800905][ C1] CPU: 1 PID: 6856 Comm: syz-executor808 Not tainted 5.8.0-rc4-syzkaller #0 [ 62.800910][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 62.800923][ C1] RIP: 0010:pvclock_gtod_notify+0x0/0x4d0 [ 62.800930][ C1] Code: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 <00> 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 62.800934][ C1] RSP: 0018:ffffc90000da8bf8 EFLAGS: 00010046 [ 62.800940][ C1] RAX: 1ffffffff135a814 RBX: 00000000ffffffff RCX: ffffffff814e18bb [ 62.800943][ C1] RDX: ffffffff8c90f9c0 RSI: 0000000000000000 RDI: ffffffff89ad40a0 [ 62.800947][ C1] RBP: dffffc0000000000 R08: 0000000000000000 R09: ffffffff8c58fa27 [ 62.800951][ C1] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 62.800955][ C1] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff89ad40a0 [ 62.800961][ C1] FS: 0000000000e5a880(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000 [ 62.800965][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 62.800969][ C1] CR2: 0000000020000180 CR3: 0000000099af2000 CR4: 00000000001406e0 [ 62.800976][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 62.800979][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 62.800981][ C1] Call Trace: [ 62.800986][ C1] [ 62.800996][ C1] notifier_call_chain+0xb5/0x200 [ 62.801007][ C1] timekeeping_update+0x28a/0x4a0 [ 62.801015][ C1] timekeeping_advance+0x663/0x9a0 [ 62.801022][ C1] ? tick_do_update_jiffies64.part.0+0x183/0x290 [ 62.801030][ C1] ? timekeeping_inject_offset+0x4d0/0x4d0 [ 62.801037][ C1] ? rwlock_bug.part.0+0x90/0x90 [ 62.801044][ C1] ? trace_hardirqs_off+0x27/0x210 [ 62.801051][ C1] tick_do_update_jiffies64.part.0+0x183/0x290 [ 62.801058][ C1] tick_sched_timer+0x22c/0x290 [ 62.801066][ C1] __hrtimer_run_queues+0x1d5/0xfc0 [ 62.801072][ C1] ? can_stop_idle_tick+0x290/0x290 [ 62.801081][ C1] ? hrtimer_sleeper_start_expires+0x80/0x80 [ 62.801088][ C1] ? ktime_get_update_offsets_now+0x1c4/0x250 [ 62.801096][ C1] hrtimer_interrupt+0x32a/0x930 [ 62.801109][ C1] __sysvec_apic_timer_interrupt+0x142/0x5e0 [ 62.801118][ C1] asm_call_on_stack+0xf/0x20 [ 62.801121][ C1] [ 62.801129][ C1] sysvec_apic_timer_interrupt+0xe0/0x120 [ 62.801136][ C1] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 62.801146][ C1] RIP: 0010:__sanitizer_cov_trace_pc+0x30/0x60 [ 62.801152][ C1] Code: ff 01 00 65 8b 05 50 47 8e 7e a9 00 01 ff 00 48 8b 34 24 74 0f f6 c4 01 74 35 8b 82 04 14 00 00 85 c0 74 2b 8b 82 e0 13 00 00 <83> f8 02 75 20 48 8b 8a e8 13 00 00 8b 92 e4 13 00 00 48 8b 01 48 [ 62.801156][ C1] RSP: 0018:ffffc90001077080 EFLAGS: 00000246 [ 62.801161][ C1] RAX: 0000000000000000 RBX: 000000001fffffb0 RCX: ffffffff83c64fd4 [ 62.801164][ C1] RDX: ffff88809180c540 RSI: ffffffff83c64fc0 RDI: 0000000000000004 [ 62.801168][ C1] RBP: 0000000001104d5c R08: 0000000000000001 R09: ffff8882188e8d5f [ 62.801172][ C1] R10: 000000001fffffb0 R11: 0000000000000000 R12: ffff8880011a4dac [ 62.801175][ C1] R13: ffff8880000a0050 R14: 0000000000000000 R15: 000000000000028e [ 62.801185][ C1] ? vga16fb_fillrect+0x9d4/0x193b [ 62.801191][ C1] ? vga16fb_fillrect+0x9c0/0x193b [ 62.801198][ C1] vga16fb_fillrect+0x9c0/0x193b [ 62.801208][ C1] ? memcpy+0x39/0x60 [ 62.801216][ C1] bit_clear_margins+0x3f6/0x4a0 [ 62.801223][ C1] ? bit_bmove+0x210/0x210 [ 62.801230][ C1] ? vga16fb_update_fix+0x4a0/0x4a0 [ 62.801238][ C1] fbcon_clear_margins+0x1d5/0x230 [ 62.801245][ C1] fbcon_switch+0xb6e/0x16c0 [ 62.801253][ C1] ? fbcon_scroll+0x3600/0x3600 [ 62.801262][ C1] ? fbcon_cursor+0x52b/0x650 [ 62.801269][ C1] ? kmalloc_array.constprop.0+0x20/0x20 [ 62.801277][ C1] ? is_console_locked+0x5/0x10 [ 62.801283][ C1] ? fbcon_set_origin+0x26/0x50 [ 62.801292][ C1] redraw_screen+0x2ae/0x770 [ 62.801299][ C1] ? vga16fb_update_fix+0x4a0/0x4a0 [ 62.801306][ C1] ? vc_init+0x440/0x440 [ 62.801313][ C1] ? fbcon_set_palette+0x3a8/0x490 [ 62.801320][ C1] fbcon_modechanged+0x575/0x710 [ 62.801327][ C1] fbcon_update_vcs+0x3a/0x50 [ 62.801335][ C1] fb_set_var+0xae8/0xd60 [ 62.801344][ C1] ? fb_blank+0x190/0x190 [ 62.801353][ C1] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 62.801361][ C1] ? unwind_next_frame+0xe3b/0x1f90 [ 62.801368][ C1] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 62.801376][ C1] ? lock_acquire+0x1f1/0xad0 [ 62.801383][ C1] ? stack_depot_save+0x1c6/0x400 [ 62.801389][ C1] ? find_held_lock+0x2d/0x110 [ 62.801397][ C1] ? fb_pad_aligned_buffer+0xf7/0x150 [ 62.801407][ C1] ? fb_get_color_depth+0x11a/0x240 [ 62.801414][ C1] ? bit_cursor+0xa2a/0x17d0 [ 62.801420][ C1] ? fb_videomode_to_var+0xf/0x610 [ 62.801427][ C1] fbcon_switch+0x52c/0x16c0 [ 62.801435][ C1] ? fbcon_scroll+0x3600/0x3600 [ 62.801444][ C1] ? fbcon_cursor+0x52b/0x650 [ 62.801454][ C1] ? kmalloc_array.constprop.0+0x20/0x20 [ 62.801462][ C1] ? is_console_locked+0x5/0x10 [ 62.801468][ C1] ? fbcon_set_origin+0x26/0x50 [ 62.801475][ C1] redraw_screen+0x2ae/0x770 [ 62.801481][ C1] ? vga16fb_update_fix+0x4a0/0x4a0 [ 62.801488][ C1] ? vc_init+0x440/0x440 [ 62.801495][ C1] ? fbcon_set_palette+0x3a8/0x490 [ 62.801502][ C1] fbcon_modechanged+0x575/0x710 [ 62.801509][ C1] fbcon_update_vcs+0x3a/0x50 [ 62.801516][ C1] fb_set_var+0xae8/0xd60 [ 62.801523][ C1] ? fb_blank+0x190/0x190 [ 62.801529][ C1] ? lock_release+0x8d0/0x8d0 [ 62.801537][ C1] ? lock_is_held_type+0xb0/0xe0 [ 62.801543][ C1] ? lock_release+0x8d0/0x8d0 [ 62.801552][ C1] ? do_fb_ioctl+0x2f2/0x6c0 [ 62.801561][ C1] ? _raw_spin_unlock_irqrestore+0x62/0xe0 [ 62.801568][ C1] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 62.801574][ C1] ? trace_hardirqs_on+0x5f/0x220 [ 62.801582][ C1] do_fb_ioctl+0x33f/0x6c0 [ 62.801589][ C1] ? fb_set_suspend+0x1a0/0x1a0 [ 62.801597][ C1] ? tomoyo_execute_permission+0x470/0x470 [ 62.801603][ C1] ? __get_unused_fd_flags+0x60/0x60 [ 62.801612][ C1] ? lock_is_held_type+0xb0/0xe0 [ 62.801621][ C1] ? __sanitizer_cov_trace_switch+0x45/0x70 [ 62.801628][ C1] ? do_vfs_ioctl+0x27d/0x1090 [ 62.801640][ C1] fb_ioctl+0xdd/0x130 [ 62.801647][ C1] ? do_fb_ioctl+0x6c0/0x6c0 [ 62.801652][ C1] ksys_ioctl+0x11a/0x180 [ 62.801659][ C1] __x64_sys_ioctl+0x6f/0xb0 [ 62.801666][ C1] ? lockdep_hardirqs_on+0x6a/0xe0 [ 62.801672][ C1] do_syscall_64+0x60/0xe0 [ 62.801679][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 63.889749][ C1] BUG: unable to handle page fault for address: 0000000080010002 [ 63.889753][ C1] #PF: supervisor write access in kernel mode [ 63.889755][ C1] #PF: error_code(0x0002) - not-present page [ 63.889757][ C1] PGD a01cf067 P4D a01cf067 PUD 0 [ 63.889764][ C1] Oops: 0002 [#2] PREEMPT SMP KASAN [ 63.889767][ C1] CPU: 1 PID: 6856 Comm: syz-executor808 Not tainted 5.8.0-rc4-syzkaller #0 [ 63.889771][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 63.889773][ C1] RIP: 0010:in_gate_area_no_mm+0x0/0x6a [ 63.889781][ C1] Code: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 <00> 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 63.889784][ C1] RSP: 0018:ffffc90000da8278 EFLAGS: 00010046 [ 63.889788][ C1] RAX: 0000000080010002 RBX: ffffc90000da8318 RCX: ffffffff816a5e70 [ 63.889791][ C1] RDX: ffff88809180c540 RSI: ffffffff816a5e9b RDI: 00000000004403d9 [ 63.889794][ C1] RBP: 00000000004403d9 R08: ffffc90000da8428 R09: ffffffff8c8cc109 [ 63.889798][ C1] R10: 00000000004403d9 R11: 0000000000000000 R12: ffffc90000da8428 [ 63.889801][ C1] R13: 0000000000000001 R14: 00000000004403d9 R15: ffffc90000da8338 [ 63.889804][ C1] FS: 0000000000e5a880(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000 [ 63.889807][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 63.889810][ C1] CR2: 0000000080010002 CR3: 0000000099af2000 CR4: 00000000001406e0 [ 63.889813][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 63.889816][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 63.889818][ C1] Call Trace: [ 63.889819][ C1] [ 63.889821][ C1] kallsyms_lookup+0xc3/0x2e0 [ 63.889823][ C1] __sprint_symbol+0x9c/0x1c0 [ 63.889825][ C1] ? kallsyms_lookup+0x2e0/0x2e0 [ 63.889827][ C1] ? kallsyms_lookup+0xff/0x2e0 [ 63.889829][ C1] ? __sprint_symbol+0x12b/0x1c0 [ 63.889831][ C1] symbol_string+0x14c/0x370 [ 63.889832][ C1] ? set_precision+0x160/0x160 [ 63.889834][ C1] ? ip6_addr_string+0x330/0x330 [ 63.889836][ C1] ? symbol_string+0x297/0x370 [ 63.889838][ C1] ? ip6_addr_string+0x330/0x330 [ 63.889840][ C1] ? hex_string+0xf8/0x4c0 [ 63.889842][ C1] ? set_precision+0x160/0x160 [ 63.889844][ C1] ? number+0x7ca/0xa90 [ 63.889846][ C1] ? widen_string+0xd8/0x2a0 [ 63.889848][ C1] ? set_precision+0x160/0x160 [ 63.889849][ C1] ? number+0x7ca/0xa90 [ 63.889851][ C1] pointer+0x185/0x970 [ 63.889853][ C1] ? time_and_date+0x2ef/0x360 [ 63.889855][ C1] ? resource_string.isra.0+0x16c0/0x16c0 [ 63.889858][ C1] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 63.889860][ C1] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 63.889862][ C1] vsnprintf+0x5b2/0x14f0 [ 63.889864][ C1] ? pointer+0x970/0x970 [ 63.889866][ C1] ? lock_release+0x8d0/0x8d0 [ 63.889868][ C1] vscnprintf+0x29/0x80 [ 63.889869][ C1] vprintk_store+0x44/0x4a0 [ 63.889871][ C1] vprintk_emit+0x139/0x770 [ 63.889873][ C1] vprintk_func+0x8f/0x1a6 [ 63.889875][ C1] printk+0xba/0xed [ 63.889877][ C1] ? log_store.cold+0x16/0x16 [ 63.889879][ C1] ? unwind_next_frame+0xe3b/0x1f90 [ 63.889880][ C1] show_ip+0x22/0x30 [ 63.889882][ C1] show_iret_regs+0x10/0x32 [ 63.889894][ C1] __show_regs+0x18/0x50 [ 63.889896][ C1] ? is_bpf_text_address+0xcb/0x160 [ 63.889898][ C1] show_trace_log_lvl+0x255/0x2b4 [ 63.889901][ C1] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 63.889903][ C1] die_addr.cold+0x8/0xd [ 63.889905][ C1] exc_general_protection+0x193/0x2d0 [ 63.889907][ C1] asm_exc_general_protection+0x1e/0x30 [ 63.889909][ C1] RIP: 0010:pvclock_gtod_notify+0x0/0x4d0 [ 63.889917][ C1] Code: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 <00> 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 63.889919][ C1] RSP: 0018:ffffc90000da8bf8 EFLAGS: 00010046 [ 63.889924][ C1] RAX: 1ffffffff135a814 RBX: 00000000ffffffff RCX: ffffffff814e18bb [ 63.889927][ C1] RDX: ffffffff8c90f9c0 RSI: 0000000000000000 RDI: ffffffff89ad40a0 [ 63.889930][ C1] RBP: dffffc0000000000 R08: 0000000000000000 R09: ffffffff8c58fa27 [ 63.889933][ C1] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 63.889936][ C1] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff89ad40a0 [ 63.889938][ C1] ? notifier_call_chain+0x16b/0x200 [ 63.889940][ C1] notifier_call_chain+0xb5/0x200 [ 63.889942][ C1] timekeeping_update+0x28a/0x4a0 [ 63.889944][ C1] timekeeping_advance+0x663/0x9a0 [ 63.889947][ C1] ? tick_do_update_jiffies64.part.0+0x183/0x290 [ 63.889949][ C1] ? timekeeping_inject_offset+0x4d0/0x4d0 [ 63.889951][ C1] ? rwlock_bug.part.0+0x90/0x90 [ 63.889953][ C1] ? trace_hardirqs_off+0x27/0x210 [ 63.889956][ C1] tick_do_update_jiffies64.part.0+0x183/0x290 [ 63.889958][ C1] tick_sched_timer+0x22c/0x290 [ 63.889960][ C1] __hrtimer_run_queues+0x1d5/0xfc0 [ 63.889962][ C1] ? can_stop_idle_tick+0x290/0x290 [ 63.889964][ C1] ? hrtimer_sleeper_start_expires+0x80/0x80 [ 63.889967][ C1] ? ktime_get_update_offsets_now+0x1c4/0x250 [ 63.889969][ C1] hrtimer_interrupt+0x32a/0x930 [ 63.889971][ C1] __sysvec_apic_timer_interrupt+0x142/0x5e0 [ 63.889973][ C1] asm_call_on_stack+0xf/0x20 [ 63.889974][ C1] [ 63.889977][ C1] sysvec_apic_timer_interrupt+0xe0/0x120 [ 63.889979][ C1] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 63.889981][ C1] RIP: 0010:__sanitizer_cov_trace_pc+0x30/0x60 [ 63.889989][ C1] Code: ff 01 00 65 8b 05 50 47 8e 7e a9 00 01 ff 00 48 8b 34 24 74 0f f6 c4 01 74 35 8b 82 04 14 00 00 85 c0 74 2b 8b 82 e0 13 00 00 <83> f8 02 75 20 48 8b 8a e8 13 00 00 8b 92 e4 13 00 00 48 8b 01 48 [ 63.889991][ C1] RSP: 0018:ffffc90001077080 EFLAGS: 00000246 [ 63.889995][ C1] RAX: 0000000000000000 RBX: 000000001fffffb0 RCX: ffffffff83c64fd4 [ 63.889999][ C1] RDX: ffff88809180c540 RSI: ffffffff83c64fc0 RDI: 0000000000000004 [ 63.890002][ C1] RBP: 0000000001104d5c R08: 0000000000000001 R09: ffff8882188e8d5f [ 63.890005][ C1] R10: 000000001fffffb0 R11: 0000000000000000 R12: ffff8880011a4dac [ 63.890008][ C1] R13: ffff8880000a0050 R14: 0000000000000000 R15: 000000000000028e [ 63.890010][ C1] ? vga16fb_fillrect+0x9d4/0x193b [ 63.890012][ C1] ? vga16fb_fillrect+0x9c0/0x193b [ 63.890014][ C1] vga16fb_fillrect+0x9c0/0x193b [ 63.890016][ C1] ? memcpy+0x39/0x60 [ 63.890018][ C1] bit_clear_margins+0x3f6/0x4a0 [ 63.890020][ C1] ? bit_bmove+0x210/0x210 [ 63.890022][ C1] ? vga16fb_update_fix+0x4a0/0x4a0 [ 63.890024][ C1] fbcon_clear_margins+0x1d5/0x230 [ 63.890026][ C1] fbcon_switch+0xb6e/0x16c0 [ 63.890028][ C1] ? fbcon_scroll+0x3600/0x3600 [ 63.890030][ C1] ? fbcon_cursor+0x52b/0x650 [ 63.890032][ C1] ? kmalloc_array.constprop.0+0x20/0x20 [ 63.890034][ C1] ? is_console_locked+0x5/0x10 [ 63.890036][ C1] ? fbcon_set_origin+0x26/0x50 [ 63.890038][ C1] redraw_screen+0x2ae/0x770 [ 63.890040][ C1] ? vga16fb_update_fix+0x4a0/0x4a0 [ 63.890042][ C1] ? vc_init+0x440/0x440 [ 63.890044][ C1] ? fbcon_set_palette+0x3a8/0x490 [ 63.890046][ C1] fbcon_modechanged+0x575/0x710 [ 63.890048][ C1] fbcon_update_vcs+0x3a/0x50 [ 63.890050][ C1] fb_set_var+0xae8/0xd60 [ 63.890052][ C1] ? fb_blank+0x190/0x190 [ 63.890054][ C1] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 63.890056][ C1] ? unwind_next_frame+0xe3b/0x1f90 [ 63.890059][ C1] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 63.890060][ C1] ? lock_acquire+0x1f1/0xad0 [ 63.890062][ C1] ? stack_depot_save+0x1c6/0x400 [ 63.890065][ C1] ? find_held_lock+0x2d/0x110 [ 63.890067][ C1] ? fb_pad_aligned_buffer+0xf7/0x150 [ 63.890069][ C1] ? fb_get_color_depth+0x11a/0x240 [ 63.890071][ C1] ? bit_cursor+0xa2a/0x17d0 [ 63.890073][ C1] ? fb_videomode_to_var+0xf/0x610 [ 63.890075][ C1] fbcon_switch+0x52c/0x16c0 [ 63.890077][ C1] ? fbcon_scroll+0x3600/0x3600 [ 63.890078][ C1] ? fbcon_cursor+0x52b/0x650 [ 63.890081][ C1] ? kmalloc_array.constprop.0+0x20/0x20 [ 63.890083][ C1] ? is_console_locked+0x5/0x10 [ 63.890085][ C1] ? fbcon_set_origin+0x26/0x50 [ 63.890087][ C1] redraw_screen+0x2ae/0x770 [ 63.890089][ C1] ? vga16fb_update_fix+0x4a0/0x4a0 [ 63.890090][ C1] ? vc_init+0x440/0x440 [ 63.890092][ C1] ? fbcon_set_palette+0x3a8/0x490 [ 63.890094][ C1] fbcon_modechanged+0x575/0x710 [ 63.890096][ C1] fbcon_update_vcs+0x3a/0x50 [ 63.890098][ C1] fb_set_var+0xae8/0xd60 [ 63.890100][ C1] ? fb_blank+0x190/0x190 [ 63.890102][ C1] ? lock_release+0x8d0/0x8d0 [ 63.890104][ C1] ? lock_is_held_type+0xb0/0xe0 [ 63.890106][ C1] ? lock_release+0x8d0/0x8d0 [ 63.890108][ C1] ? do_fb_ioctl+0x2f2/0x6c0 [ 63.890110][ C1] ? _raw_spin_unlock_irqrestore+0x62/0xe0 [ 63.890112][ C1] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 63.890114][ C1] ? trace_hardirqs_on+0x5f/0x220 [ 63.890116][ C1] do_fb_ioctl+0x33f/0x6c0 [ 63.890118][ C1] ? fb_set_suspend+0x1a0/0x1a0 [ 63.890120][ C1] ? tomoyo_execute_permission+0x470/0x470 [ 63.890122][ C1] ? __get_unused_fd_flags+0x60/0x60 [ 63.890125][ C1] ? lock_is_held_type+0xb0/0xe0 [ 63.890127][ C1] ? __sanitizer_cov_trace_switch+0x45/0x70 [ 63.890129][ C1] ? do_vfs_ioctl+0x27d/0x1090 [ 63.890131][ C1] fb_ioctl+0xdd/0x130 [ 63.890132][ C1] ? do_fb_ioctl+0x6c0/0x6c0 [ 63.890134][ C1] ksys_ioctl+0x11a/0x180 [ 63.890136][ C1] __x64_sys_ioctl+0x6f/0xb0 [ 63.890138][ C1] ? lockdep_hardirqs_on+0x6a/0xe0 [ 63.890140][ C1] do_syscall_64+0x60/0xe0 [ 63.890142][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 63.890146][ C1] BUG: unable to handle page fault for address: 0000000080010002 [ 63.890148][ C1] #PF: supervisor write access in kernel mode [ 63.890151][ C1] #PF: error_code(0x0002) - not-present page [ 63.890152][ C1] PGD a01cf067 P4D a01cf067 PUD 0 [ 63.890158][ C1] Oops: 0002 [#3] PREEMPT SMP KASAN [ 63.890162][ C1] CPU: 1 PID: 6856 Comm: syz-executor808 Not tainted 5.8.0-rc4-syzkaller #0 [ 63.890165][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 63.890168][ C1] RIP: 0010:in_gate_area_no_mm+0x0/0x6a [ 63.890175][ C1] Code: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 <00> 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 63.890177][ C1] RSP: 0018:ffffc90000da7760 EFLAGS: 00010046 [ 63.890182][ C1] RAX: 0000000080010002 RBX: ffffc90000da7800 RCX: ffffffff816a5e70 [ 63.890185][ C1] RDX: ffff88809180c540 RSI: ffffffff816a5e9b RDI: 00000000004403d9 [ 63.890188][ C1] RBP: 00000000004403d9 R08: ffffc90000da7910 R09: ffff8880ae724996 [ 63.890191][ C1] R10: 00000000004403d9 R11: 0000000000000001 R12: ffffc90000da7910 [ 63.890194][ C1] R13: 0000000000000001 R14: 00000000004403d9 R15: ffffc90000da7820 [ 63.890198][ C1] FS: 0000000000e5a880(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000 [ 63.890200][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 63.890203][ C1] CR2: 0000000080010002 CR3: 0000000099af2000 CR4: 00000000001406e0 [ 63.890207][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 63.890210][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 63.890211][ C1] Call Trace: [ 63.890212][ C1] [ 63.890214][ C1] kallsyms_lookup+0xc3/0x2e0 [ 63.890216][ C1] __sprint_symbol+0x9c/0x1c0 [ 63.890218][ C1] ? kallsyms_lookup+0x2e0/0x2e0 [ 63.890220][ C1] ? kallsyms_lookup+0xff/0x2e0 [ 63.890222][ C1] ? __sprint_symbol+0x12b/0x1c0 [ 63.890224][ C1] symbol_string+0x14c/0x370 [ 63.890226][ C1] ? set_precision+0x160/0x160 [ 63.890228][ C1] ? ip6_addr_string+0x330/0x330 [ 63.890230][ C1] ? symbol_string+0x297/0x370 [ 63.890232][ C1] ? tb_xdp_handle_request+0x136/0x [ 63.890237][ C1] Lost 226 message(s)!