[ OK ] Started OpenBSD Secure Shell server. [ OK ] Listening on Load/Save RF Kill Switch Status /dev/rfkill Watch. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.123' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 54.386982][ C1] general protection fault, probably for non-canonical address 0x1ffffffff135a814: 0000 [#1] PREEMPT SMP KASAN [ 54.386992][ C1] CPU: 1 PID: 6785 Comm: syz-executor415 Not tainted 5.8.0-rc3-syzkaller #0 [ 54.386997][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 54.387010][ C1] RIP: 0010:pvclock_gtod_notify+0x0/0x4d0 [ 54.387017][ 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 [ 54.387020][ C1] RSP: 0018:ffffc90000da8bf8 EFLAGS: 00010046 [ 54.387026][ C1] RAX: 1ffffffff135a814 RBX: 00000000ffffffff RCX: ffffffff814e18bb [ 54.387030][ C1] RDX: ffffffff8c90f9c0 RSI: 0000000000000000 RDI: ffffffff89ad40a0 [ 54.387034][ C1] RBP: dffffc0000000000 R08: 0000000000000000 R09: ffffffff8c58fa27 [ 54.387038][ C1] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 54.387041][ C1] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff89ad40a0 [ 54.387047][ C1] FS: 0000000000ae3880(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000 [ 54.387051][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.387055][ C1] CR2: 00007fd1c0bdb6c0 CR3: 00000000a77e1000 CR4: 00000000001406e0 [ 54.387062][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 54.387066][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 54.387068][ C1] Call Trace: [ 54.387073][ C1] [ 54.387082][ C1] notifier_call_chain+0xb5/0x200 [ 54.387092][ C1] timekeeping_update+0x28a/0x4a0 [ 54.387100][ C1] timekeeping_advance+0x663/0x9a0 [ 54.387107][ C1] ? tick_do_update_jiffies64.part.0+0x183/0x290 [ 54.387115][ C1] ? timekeeping_inject_offset+0x4d0/0x4d0 [ 54.387122][ C1] ? rwlock_bug.part.0+0x90/0x90 [ 54.387129][ C1] ? trace_hardirqs_off+0x27/0x210 [ 54.387137][ C1] tick_do_update_jiffies64.part.0+0x183/0x290 [ 54.387144][ C1] tick_sched_timer+0x22c/0x290 [ 54.387151][ C1] __hrtimer_run_queues+0x1d5/0xfc0 [ 54.387157][ C1] ? can_stop_idle_tick+0x290/0x290 [ 54.387166][ C1] ? hrtimer_sleeper_start_expires+0x80/0x80 [ 54.387173][ C1] ? ktime_get_update_offsets_now+0x1c4/0x250 [ 54.387181][ C1] hrtimer_interrupt+0x32a/0x930 [ 54.387193][ C1] __sysvec_apic_timer_interrupt+0x142/0x5e0 [ 54.387202][ C1] asm_call_on_stack+0xf/0x20 [ 54.387205][ C1] [ 54.387213][ C1] sysvec_apic_timer_interrupt+0xe0/0x120 [ 54.387221][ C1] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 54.387231][ C1] RIP: 0010:__sanitizer_cov_trace_pc+0x19/0x60 [ 54.387237][ C1] Code: 00 48 8b be b0 01 00 00 e8 b4 ff ff ff 31 c0 c3 90 65 48 8b 14 25 00 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 [ 54.387240][ C1] RSP: 0018:ffffc90000f87080 EFLAGS: 00000246 [ 54.387245][ C1] RAX: 0000000080000000 RBX: 000000001fffffb0 RCX: ffffffff83c646a4 [ 54.387249][ C1] RDX: ffff88808e438540 RSI: ffffffff83c64690 RDI: 0000000000000004 [ 54.387252][ C1] RBP: 0000000001071197 R08: 0000000000000001 R09: ffff88821880075f [ 54.387256][ C1] R10: 000000001fffffb0 R11: 0000000000000000 R12: ffff8880011111e7 [ 54.387260][ C1] R13: ffff8880000a0050 R14: 0000000000000000 R15: 000000000000028e [ 54.387270][ C1] ? vga16fb_fillrect+0x9d4/0x193b [ 54.387276][ C1] ? vga16fb_fillrect+0x9c0/0x193b [ 54.387283][ C1] vga16fb_fillrect+0x9c0/0x193b [ 54.387293][ C1] ? memcpy+0x39/0x60 [ 54.387301][ C1] bit_clear_margins+0x3f6/0x4a0 [ 54.387308][ C1] ? bit_bmove+0x210/0x210 [ 54.387315][ C1] ? vga16fb_update_fix+0x4a0/0x4a0 [ 54.387323][ C1] fbcon_clear_margins+0x1d5/0x230 [ 54.387330][ C1] fbcon_switch+0xb6e/0x16c0 [ 54.387338][ C1] ? fbcon_scroll+0x3600/0x3600 [ 54.387347][ C1] ? fbcon_cursor+0x52b/0x650 [ 54.387354][ C1] ? kmalloc_array.constprop.0+0x20/0x20 [ 54.387362][ C1] ? is_console_locked+0x5/0x10 [ 54.387367][ C1] ? fbcon_set_origin+0x26/0x50 [ 54.387376][ C1] redraw_screen+0x2ae/0x770 [ 54.387383][ C1] ? vga16fb_update_fix+0x4a0/0x4a0 [ 54.387389][ C1] ? vc_init+0x440/0x440 [ 54.387396][ C1] ? fbcon_set_palette+0x3a8/0x490 [ 54.387403][ C1] fbcon_modechanged+0x575/0x710 [ 54.387411][ C1] fbcon_update_vcs+0x3a/0x50 [ 54.387418][ C1] fb_set_var+0xae8/0xd60 [ 54.387426][ C1] ? fb_blank+0x190/0x190 [ 54.387433][ C1] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 54.387441][ C1] ? unwind_next_frame+0xe3b/0x1f90 [ 54.387448][ C1] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 54.387456][ C1] ? lock_acquire+0x1f1/0xad0 [ 54.387463][ C1] ? stack_depot_save+0x1c6/0x400 [ 54.387469][ C1] ? find_held_lock+0x2d/0x110 [ 54.387477][ C1] ? fb_pad_aligned_buffer+0xf7/0x150 [ 54.387487][ C1] ? fb_get_color_depth+0x11a/0x240 [ 54.387494][ C1] ? bit_cursor+0xa2a/0x17d0 [ 54.387500][ C1] ? fb_videomode_to_var+0xf/0x610 [ 54.387506][ C1] fbcon_switch+0x52c/0x16c0 [ 54.387514][ C1] ? fbcon_scroll+0x3600/0x3600 [ 54.387523][ C1] ? fbcon_cursor+0x52b/0x650 [ 54.387530][ C1] ? kmalloc_array.constprop.0+0x20/0x20 [ 54.387537][ C1] ? is_console_locked+0x5/0x10 [ 54.387543][ C1] ? fbcon_set_origin+0x26/0x50 [ 54.387550][ C1] redraw_screen+0x2ae/0x770 [ 54.387557][ C1] ? vga16fb_update_fix+0x4a0/0x4a0 [ 54.387563][ C1] ? vc_init+0x440/0x440 [ 54.387570][ C1] ? fbcon_set_palette+0x3a8/0x490 [ 54.387577][ C1] fbcon_modechanged+0x575/0x710 [ 54.387584][ C1] fbcon_update_vcs+0x3a/0x50 [ 54.387591][ C1] fb_set_var+0xae8/0xd60 [ 54.387598][ C1] ? fb_blank+0x190/0x190 [ 54.387604][ C1] ? lock_release+0x8d0/0x8d0 [ 54.387612][ C1] ? lock_is_held_type+0xb0/0xe0 [ 54.387621][ C1] ? do_fb_ioctl+0x2f2/0x6c0 [ 54.387631][ C1] ? _raw_spin_unlock_irqrestore+0x62/0xe0 [ 54.387637][ C1] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 54.387643][ C1] ? trace_hardirqs_on+0x5f/0x220 [ 54.387651][ C1] do_fb_ioctl+0x33f/0x6c0 [ 54.387658][ C1] ? fb_set_suspend+0x1a0/0x1a0 [ 54.387666][ C1] ? tomoyo_execute_permission+0x470/0x470 [ 54.387673][ C1] ? __get_unused_fd_flags+0x60/0x60 [ 54.387682][ C1] ? check_preemption_disabled+0x50/0x130 [ 54.387691][ C1] ? __sanitizer_cov_trace_switch+0x45/0x70 [ 54.387698][ C1] ? do_vfs_ioctl+0x27d/0x1090 [ 54.387714][ C1] fb_ioctl+0xdd/0x130 [ 54.387721][ C1] ? do_fb_ioctl+0x6c0/0x6c0 [ 54.387726][ C1] ksys_ioctl+0x11a/0x180 [ 54.387733][ C1] __x64_sys_ioctl+0x6f/0xb0 [ 54.387740][ C1] ? lockdep_hardirqs_on+0x6a/0xe0 [ 54.387746][ C1] do_syscall_64+0x60/0xe0 [ 54.387753][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 55.464340][ C1] BUG: unable to handle page fault for address: 0000000080010002 [ 55.464343][ C1] #PF: supervisor write access in kernel mode [ 55.464346][ C1] #PF: error_code(0x0002) - not-present page [ 55.464348][ C1] PGD a1c5e067 P4D a1c5e067 PUD 0 [ 55.464354][ C1] Oops: 0002 [#2] PREEMPT SMP KASAN [ 55.464358][ C1] CPU: 1 PID: 6785 Comm: syz-executor415 Not tainted 5.8.0-rc3-syzkaller #0 [ 55.464362][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 55.464364][ C1] RIP: 0010:in_gate_area_no_mm+0x0/0x6a [ 55.464372][ 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 [ 55.464374][ C1] RSP: 0018:ffffc90000da8278 EFLAGS: 00010046 [ 55.464379][ C1] RAX: 0000000080010002 RBX: ffffc90000da8318 RCX: ffffffff816a5e70 [ 55.464382][ C1] RDX: ffff88808e438540 RSI: ffffffff816a5e9b RDI: 0000000000440359 [ 55.464385][ C1] RBP: 0000000000440359 R08: ffffc90000da8428 R09: ffffffff8c8cc109 [ 55.464388][ C1] R10: 0000000000440359 R11: 0000000000000000 R12: ffffc90000da8428 [ 55.464391][ C1] R13: 0000000000000001 R14: 0000000000440359 R15: ffffc90000da8338 [ 55.464395][ C1] FS: 0000000000ae3880(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000 [ 55.464397][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.464400][ C1] CR2: 0000000080010002 CR3: 00000000a77e1000 CR4: 00000000001406e0 [ 55.464403][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 55.464407][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 55.464408][ C1] Call Trace: [ 55.464409][ C1] [ 55.464411][ C1] kallsyms_lookup+0xc3/0x2e0 [ 55.464413][ C1] __sprint_symbol+0x9c/0x1c0 [ 55.464415][ C1] ? kallsyms_lookup+0x2e0/0x2e0 [ 55.464417][ C1] ? kallsyms_lookup+0xff/0x2e0 [ 55.464419][ C1] ? __sprint_symbol+0x12b/0x1c0 [ 55.464421][ C1] symbol_string+0x14c/0x370 [ 55.464423][ C1] ? set_precision+0x160/0x160 [ 55.464425][ C1] ? ip6_addr_string+0x330/0x330 [ 55.464427][ C1] ? symbol_string+0x297/0x370 [ 55.464429][ C1] ? ip6_addr_string+0x330/0x330 [ 55.464431][ C1] ? hex_string+0xf8/0x4c0 [ 55.464433][ C1] ? set_precision+0x160/0x160 [ 55.464435][ C1] ? number+0x7ca/0xa90 [ 55.464437][ C1] ? widen_string+0xd8/0x2a0 [ 55.464439][ C1] ? set_precision+0x160/0x160 [ 55.464440][ C1] ? number+0x7ca/0xa90 [ 55.464442][ C1] pointer+0x185/0x970 [ 55.464444][ C1] ? vsscanf+0x3ff/0x24b0 [ 55.464446][ C1] ? resource_string.isra.0+0x16c0/0x16c0 [ 55.464448][ C1] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 55.464451][ C1] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 55.464453][ C1] vsnprintf+0x5b2/0x14f0 [ 55.464454][ C1] ? pointer+0x970/0x970 [ 55.464456][ C1] ? lock_release+0x8d0/0x8d0 [ 55.464458][ C1] vscnprintf+0x29/0x80 [ 55.464460][ C1] vprintk_store+0x44/0x4a0 [ 55.464462][ C1] vprintk_emit+0x139/0x770 [ 55.464464][ C1] vprintk_func+0x8f/0x1a6 [ 55.464465][ C1] printk+0xba/0xed [ 55.464467][ C1] ? log_store.cold+0x16/0x16 [ 55.464469][ C1] ? unwind_next_frame+0xe3b/0x1f90 [ 55.464471][ C1] show_ip+0x22/0x30 [ 55.464473][ C1] show_iret_regs+0x10/0x32 [ 55.464475][ C1] __show_regs+0x18/0x50 [ 55.464477][ C1] ? is_bpf_text_address+0xcb/0x160 [ 55.464479][ C1] show_trace_log_lvl+0x255/0x2b4 [ 55.464481][ C1] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 55.464483][ C1] die_addr.cold+0x8/0xd [ 55.464485][ C1] exc_general_protection+0x193/0x2d0 [ 55.464487][ C1] asm_exc_general_protection+0x1e/0x30 [ 55.464490][ C1] RIP: 0010:pvclock_gtod_notify+0x0/0x4d0 [ 55.464497][ 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 [ 55.464500][ C1] RSP: 0018:ffffc90000da8bf8 EFLAGS: 00010046 [ 55.464514][ C1] RAX: 1ffffffff135a814 RBX: 00000000ffffffff RCX: ffffffff814e18bb [ 55.464517][ C1] RDX: ffffffff8c90f9c0 RSI: 0000000000000000 RDI: ffffffff89ad40a0 [ 55.464520][ C1] RBP: dffffc0000000000 R08: 0000000000000000 R09: ffffffff8c58fa27 [ 55.464523][ C1] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 55.464526][ C1] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff89ad40a0 [ 55.464529][ C1] ? notifier_call_chain+0x16b/0x200 [ 55.464531][ C1] notifier_call_chain+0xb5/0x200 [ 55.464533][ C1] timekeeping_update+0x28a/0x4a0 [ 55.464535][ C1] timekeeping_advance+0x663/0x9a0 [ 55.464537][ C1] ? tick_do_update_jiffies64.part.0+0x183/0x290 [ 55.464540][ C1] ? timekeeping_inject_offset+0x4d0/0x4d0 [ 55.464542][ C1] ? rwlock_bug.part.0+0x90/0x90 [ 55.464544][ C1] ? trace_hardirqs_off+0x27/0x210 [ 55.464546][ C1] tick_do_update_jiffies64.part.0+0x183/0x290 [ 55.464548][ C1] tick_sched_timer+0x22c/0x290 [ 55.464550][ C1] __hrtimer_run_queues+0x1d5/0xfc0 [ 55.464553][ C1] ? can_stop_idle_tick+0x290/0x290 [ 55.464555][ C1] ? hrtimer_sleeper_start_expires+0x80/0x80 [ 55.464558][ C1] ? ktime_get_update_offsets_now+0x1c4/0x250 [ 55.464560][ C1] hrtimer_interrupt+0x32a/0x930 [ 55.464562][ C1] __sysvec_apic_timer_interrupt+0x142/0x5e0 [ 55.464564][ C1] asm_call_on_stack+0xf/0x20 [ 55.464565][ C1] [ 55.464568][ C1] sysvec_apic_timer_interrupt+0xe0/0x120 [ 55.464570][ C1] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 55.464573][ C1] RIP: 0010:__sanitizer_cov_trace_pc+0x19/0x60 [ 55.464580][ C1] Code: 00 48 8b be b0 01 00 00 e8 b4 ff ff ff 31 c0 c3 90 65 48 8b 14 25 00 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 [ 55.464583][ C1] RSP: 0018:ffffc90000f87080 EFLAGS: 00000246 [ 55.464587][ C1] RAX: 0000000080000000 RBX: 000000001fffffb0 RCX: ffffffff83c646a4 [ 55.464590][ C1] RDX: ffff88808e438540 RSI: ffffffff83c64690 RDI: 0000000000000004 [ 55.464593][ C1] RBP: 0000000001071197 R08: 0000000000000001 R09: ffff88821880075f [ 55.464596][ C1] R10: 000000001fffffb0 R11: 0000000000000000 R12: ffff8880011111e7 [ 55.464600][ C1] R13: ffff8880000a0050 R14: 0000000000000000 R15: 000000000000028e [ 55.464602][ C1] ? vga16fb_fillrect+0x9d4/0x193b [ 55.464604][ C1] ? vga16fb_fillrect+0x9c0/0x193b [ 55.464606][ C1] vga16fb_fillrect+0x9c0/0x193b [ 55.464608][ C1] ? memcpy+0x39/0x60 [ 55.464610][ C1] bit_clear_margins+0x3f6/0x4a0 [ 55.464612][ C1] ? bit_bmove+0x210/0x210 [ 55.464614][ C1] ? vga16fb_update_fix+0x4a0/0x4a0 [ 55.464616][ C1] fbcon_clear_margins+0x1d5/0x230 [ 55.464618][ C1] fbcon_switch+0xb6e/0x16c0 [ 55.464620][ C1] ? fbcon_scroll+0x3600/0x3600 [ 55.464622][ C1] ? fbcon_cursor+0x52b/0x650 [ 55.464624][ C1] ? kmalloc_array.constprop.0+0x20/0x20 [ 55.464626][ C1] ? is_console_locked+0x5/0x10 [ 55.464628][ C1] ? fbcon_set_origin+0x26/0x50 [ 55.464630][ C1] redraw_screen+0x2ae/0x770 [ 55.464632][ C1] ? vga16fb_update_fix+0x4a0/0x4a0 [ 55.464634][ C1] ? vc_init+0x440/0x440 [ 55.464636][ C1] ? fbcon_set_palette+0x3a8/0x490 [ 55.464638][ C1] fbcon_modechanged+0x575/0x710 [ 55.464640][ C1] fbcon_update_vcs+0x3a/0x50 [ 55.464642][ C1] fb_set_var+0xae8/0xd60 [ 55.464644][ C1] ? fb_blank+0x190/0x190 [ 55.464646][ C1] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 55.464648][ C1] ? unwind_next_frame+0xe3b/0x1f90 [ 55.464651][ C1] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 55.464652][ C1] ? lock_acquire+0x1f1/0xad0 [ 55.464655][ C1] ? stack_depot_save+0x1c6/0x400 [ 55.464656][ C1] ? find_held_lock+0x2d/0x110 [ 55.464659][ C1] ? fb_pad_aligned_buffer+0xf7/0x150 [ 55.464661][ C1] ? fb_get_color_depth+0x11a/0x240 [ 55.464663][ C1] ? bit_cursor+0xa2a/0x17d0 [ 55.464665][ C1] ? fb_videomode_to_var+0xf/0x610 [ 55.464667][ C1] fbcon_switch+0x52c/0x16c0 [ 55.464669][ C1] ? fbcon_scroll+0x3600/0x3600 [ 55.464670][ C1] ? fbcon_cursor+0x52b/0x650 [ 55.464673][ C1] ? kmalloc_array.constprop.0+0x20/0x20 [ 55.464675][ C1] ? is_console_locked+0x5/0x10 [ 55.464677][ C1] ? fbcon_set_origin+0x26/0x50 [ 55.464679][ C1] redraw_screen+0x2ae/0x770 [ 55.464681][ C1] ? vga16fb_update_fix+0x4a0/0x4a0 [ 55.464682][ C1] ? vc_init+0x440/0x440 [ 55.464685][ C1] ? fbcon_set_palette+0x3a8/0x490 [ 55.464687][ C1] fbcon_modechanged+0x575/0x710 [ 55.464688][ C1] fbcon_update_vcs+0x3a/0x50 [ 55.464690][ C1] fb_set_var+0xae8/0xd60 [ 55.464692][ C1] ? fb_blank+0x190/0x190 [ 55.464694][ C1] ? lock_release+0x8d0/0x8d0 [ 55.464696][ C1] ? lock_is_held_type+0xb0/0xe0 [ 55.464698][ C1] ? do_fb_ioctl+0x2f2/0x6c0 [ 55.464700][ C1] ? _raw_spin_unlock_irqrestore+0x62/0xe0 [ 55.464703][ C1] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 55.464705][ C1] ? trace_hardirqs_on+0x5f/0x220 [ 55.464706][ C1] do_fb_ioctl+0x33f/0x6c0 [ 55.464708][ C1] ? fb_set_suspend+0x1a0/0x1a0 [ 55.464711][ C1] ? tomoyo_execute_permission+0x470/0x470 [ 55.464713][ C1] ? __get_unused_fd_flags+0x60/0x60 [ 55.464715][ C1] ? check_preemption_disabled+0x50/0x130 [ 55.464718][ C1] ? __sanitizer_cov_trace_switch+0x45/0x70 [ 55.464720][ C1] ? do_vfs_ioctl+0x27d/0x1090 [ 55.464721][ C1] fb_ioctl+0xdd/0x130 [ 55.464723][ C1] ? do_fb_ioctl+0x6c0/0x6c0 [ 55.464725][ C1] ksys_ioctl+0x11a/0x180 [ 55.464727][ C1] __x64_sys_ioctl+0x6f/0xb0 [ 55.464729][ C1] ? lockdep_hardirqs_on+0x6a/0xe0 [ 55.464731][ C1] do_syscall_64+0x60/0xe0 [ 55.464733][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 55.464736][ C1] BUG: unable to handle page fault for address: 0000000080010002 [ 55.464739][ C1] #PF: supervisor write access in kernel mode [ 55.464742][ C1] #PF: error_code(0x0002) - not-present page [ 55.464743][ C1] PGD a1c5e067 P4D a1c5e067 PUD 0 [ 55.464749][ C1] Oops: 0002 [#3] PREEMPT SMP KASAN [ 55.464753][ C1] CPU: 1 PID: 6785 Comm: syz-executor415 Not tainted 5.8.0-rc3-syzkaller #0 [ 55.464757][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 55.464759][ C1] RIP: 0010:in_gate_area_no_mm+0x0/0x6a [ 55.464766][ 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 [ 55.464769][ C1] RSP: 0018:ffffc90000da7760 EFLAGS: 00010046 [ 55.464773][ C1] RAX: 0000000080010002 RBX: ffffc90000da7800 RCX: ffffffff816a5e70 [ 55.464776][ C1] RDX: ffff88808e438540 RSI: ffffffff816a5e9b RDI: 0000000000440359 [ 55.464779][ C1] RBP: 0000000000440359 R08: ffffc90000da7910 R09: ffff8880ae72497e [ 55.464782][ C1] R10: 0000000000440359 R11: 0000000000000001 R12: ffffc90000da7910 [ 55.464785][ C1] R13: 0000000000000001 R14: 0000000000440359 R15: ffffc90000da7820 [ 55.464789][ C1] FS: 0000000000ae3880(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000 [ 55.464792][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.464795][ C1] CR2: 0000000080010002 CR3: 00000000a77e1000 CR4: 00000000001406e0 [ 55.464798][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 55.464801][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 55.464803][ C1] Call Trace: [ 55.464804][ C1] [ 55.464806][ C1] kallsyms_lookup+0xc3/0x2e0 [ 55.464808][ C1] __sprint_symbol+0x9c/0x1c0 [ 55.464810][ C1] ? kallsyms_lookup+0x2e0/0x2e0 [ 55.464812][ C1] ? kallsyms_lookup+0xff/0x2e0 [ 55.464814][ C1] ? __sprint_symbol+0x12b/0x1c0 [ 55.464816][ C1] symbol_string+0x14c/0x370 [ 55.464818][ C1] ? set_precision+0x160/0x160 [ 55.464820][ C1] ? ip6_addr_string+0x330/0x330 [ 55.464822][ C1] ? symbol_string+0x297/0x370 [ 55.464824][ C1] ? ip6_addr_string+0x330/0x330 [ 55.464825][ C1] ? hex_string+0xf8/0x4c0 [ 55.464826][ C1] [ 55.464831][ C1] Lost 222 message(s)!