general protection fault, probably for non-canonical address 0x1ffffffff135a2b4: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 6796 Comm: syz-executor097 Not tainted 5.8.0-rc2-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:pvclock_gtod_notify+0x0/0x4d0 arch/x86/kvm/x86.c:7400 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 RSP: 0018:ffffc90000da8bf8 EFLAGS: 00010046 RAX: 1ffffffff135a2b4 RBX: 00000000ffffffff RCX: ffffffff814db41b RDX: ffffffff8c90b9c0 RSI: 0000000000000000 RDI: ffffffff89ad15a0 RBP: dffffc0000000000 R08: 0000000000000000 R09: ffffffff8c58ba27 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff89ad15a0 FS: 0000000000726940(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000010 CR3: 000000009168a000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: notifier_call_chain+0xb5/0x200 kernel/notifier.c:83 update_pvclock_gtod kernel/time/timekeeping.c:578 [inline] timekeeping_update+0x28a/0x4a0 kernel/time/timekeeping.c:672 timekeeping_advance+0x663/0x9a0 kernel/time/timekeeping.c:2119 tick_do_update_jiffies64.part.0+0x183/0x290 kernel/time/tick-sched.c:101 tick_do_update_jiffies64 kernel/time/tick-sched.c:64 [inline] tick_sched_do_timer kernel/time/tick-sched.c:147 [inline] tick_sched_timer+0x22c/0x290 kernel/time/tick-sched.c:1313 __run_hrtimer kernel/time/hrtimer.c:1520 [inline] __hrtimer_run_queues+0x1d5/0xfc0 kernel/time/hrtimer.c:1584 hrtimer_interrupt+0x32a/0x930 kernel/time/hrtimer.c:1646 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1080 [inline] __sysvec_apic_timer_interrupt+0x142/0x5e0 arch/x86/kernel/apic/apic.c:1097 asm_call_on_stack+0xf/0x20 arch/x86/entry/entry_64.S:711 __run_on_irqstack arch/x86/include/asm/irq_stack.h:22 [inline] run_on_irqstack_cond arch/x86/include/asm/irq_stack.h:48 [inline] sysvec_apic_timer_interrupt+0x18f/0x220 arch/x86/kernel/apic/apic.c:1091 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:596 RIP: 0010:get_current arch/x86/include/asm/current.h:15 [inline] RIP: 0010:write_comp_data+0xa/0x80 kernel/kcov.c:217 Code: 65 48 8b 04 25 00 ff 01 00 48 8b 80 f8 13 00 00 c3 0f 1f 44 00 00 66 2e 0f 1f 84 00 00 00 00 00 49 89 f2 65 8b 05 86 b2 8e 7e <65> 48 8b 34 25 00 ff 01 00 a9 00 01 ff 00 74 0f f6 c4 01 74 59 8b RSP: 0018:ffffc90001656de8 EFLAGS: 00000246 RAX: 0000000080000000 RBX: 0000000000000000 RCX: ffffffff83c1938b RDX: 0000000000000002 RSI: 0000000000000000 RDI: 0000000000000005 RBP: 0000000000000001 R08: 0000000000000280 R09: 0000000000000040 R10: 0000000000000000 R11: 0000000000000000 R12: 000000000000000a R13: ffff8880012274d0 R14: 0000000000000000 R15: 0000000000000002 bitfill_aligned drivers/video/fbdev/core/cfbfillrect.c:74 [inline] bitfill_aligned+0x16b/0x200 drivers/video/fbdev/core/cfbfillrect.c:35 cfb_fillrect+0x40b/0x7b0 drivers/video/fbdev/core/cfbfillrect.c:327 vga16fb_fillrect+0x683/0x193b drivers/video/fbdev/vga16fb.c:951 bit_clear_margins+0x2d5/0x4a0 drivers/video/fbdev/core/bitblit.c:232 fbcon_clear_margins+0x1d5/0x230 drivers/video/fbdev/core/fbcon.c:1381 fbcon_switch+0xb6e/0x16c0 drivers/video/fbdev/core/fbcon.c:2363 redraw_screen+0x2ae/0x770 drivers/tty/vt/vt.c:1015 fbcon_modechanged+0x575/0x710 drivers/video/fbdev/core/fbcon.c:3001 fbcon_update_vcs+0x3a/0x50 drivers/video/fbdev/core/fbcon.c:3048 fb_set_var+0xae8/0xd60 drivers/video/fbdev/core/fbmem.c:1056 fbcon_switch+0x52c/0x16c0 drivers/video/fbdev/core/fbcon.c:2296 redraw_screen+0x2ae/0x770 drivers/tty/vt/vt.c:1015 vc_do_resize+0x110e/0x13f0 drivers/tty/vt/vt.c:1314 fbcon_modechanged+0x36c/0x710 drivers/video/fbdev/core/fbcon.c:2990 fbcon_set_all_vcs+0x3b6/0x470 drivers/video/fbdev/core/fbcon.c:3039 fbcon_update_vcs+0x26/0x50 drivers/video/fbdev/core/fbcon.c:3046 fb_set_var+0xae8/0xd60 drivers/video/fbdev/core/fbmem.c:1056 do_fb_ioctl+0x33f/0x6c0 drivers/video/fbdev/core/fbmem.c:1109 fb_ioctl+0xdd/0x130 drivers/video/fbdev/core/fbmem.c:1185 vfs_ioctl fs/ioctl.c:48 [inline] ksys_ioctl+0x11a/0x180 fs/ioctl.c:753 __do_sys_ioctl fs/ioctl.c:762 [inline] __se_sys_ioctl fs/ioctl.c:760 [inline] __x64_sys_ioctl+0x6f/0xb0 fs/ioctl.c:760 do_syscall_64+0x60/0xe0 arch/x86/entry/common.c:359 entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: unable to handle page fault for address: 0000000080010002 #PF: supervisor write access in kernel mode #PF: error_code(0x0002) - not-present page PGD 91f04067 P4D 91f04067 PUD 0 Oops: 0002 [#2] PREEMPT SMP KASAN CPU: 1 PID: 6796 Comm: syz-executor097 Not tainted 5.8.0-rc2-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:in_gate_area_no_mm+0x0/0x6a arch/x86/entry/vsyscall/vsyscall_64.c:343 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 RSP: 0018:ffffc90000da81e0 EFLAGS: 00010046 RAX: 0000000080010002 RBX: ffffc90000da8280 RCX: ffffffff8169f800 RDX: ffff8880927b6180 RSI: ffffffff8169f82b RDI: 0000000000446de9 RBP: 0000000000446de9 R08: ffffc90000da8390 R09: ffffffff8c8c8109 R10: 0000000000446de9 R11: 0000000000000000 R12: ffffc90000da8390 R13: 0000000000000001 R14: 0000000000446de9 R15: ffffc90000da82a0 FS: 0000000000726940(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000080010002 CR3: 000000009168a000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: is_kernel include/linux/kallsyms.h:43 [inline] is_ksym_addr include/linux/kallsyms.h:49 [inline] kallsyms_lookup+0xc3/0x2e0 kernel/kallsyms.c:290 __sprint_symbol+0x9c/0x1c0 kernel/kallsyms.c:363 symbol_string+0x14c/0x370 lib/vsprintf.c:969 pointer+0x185/0x970 lib/vsprintf.c:2226 vsnprintf+0x5b2/0x14f0 lib/vsprintf.c:2624 vscnprintf+0x29/0x80 lib/vsprintf.c:2723 vprintk_store+0x44/0x4a0 kernel/printk/printk.c:1942 vprintk_emit+0x139/0x770 kernel/printk/printk.c:2003 vprintk_func+0x8f/0x1a6 kernel/printk/printk_safe.c:393 printk+0xba/0xed kernel/printk/printk.c:2070 show_ip+0x22/0x30 arch/x86/kernel/dumpstack.c:124 show_iret_regs+0x10/0x32 arch/x86/kernel/dumpstack.c:131 __show_regs+0x18/0x50 arch/x86/kernel/process_64.c:72 show_trace_log_lvl+0x255/0x2b4 arch/x86/kernel/dumpstack.c:274 show_regs arch/x86/kernel/dumpstack.c:408 [inline] __die_body arch/x86/kernel/dumpstack.c:393 [inline] die_addr.cold+0x8/0xd arch/x86/kernel/dumpstack.c:433 __exc_general_protection arch/x86/kernel/traps.c:589 [inline] exc_general_protection+0x259/0x720 arch/x86/kernel/traps.c:519 asm_exc_general_protection+0x1e/0x30 arch/x86/include/asm/idtentry.h:559 RIP: 0010:pvclock_gtod_notify+0x0/0x4d0 arch/x86/kvm/x86.c:7400 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 RSP: 0018:ffffc90000da8bf8 EFLAGS: 00010046 RAX: 1ffffffff135a2b4 RBX: 00000000ffffffff RCX: ffffffff814db41b RDX: ffffffff8c90b9c0 RSI: 0000000000000000 RDI: ffffffff89ad15a0 RBP: dffffc0000000000 R08: 0000000000000000 R09: ffffffff8c58ba27 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff89ad15a0 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83 update_pvclock_gtod kernel/time/timekeeping.c:578 [inline] timekeeping_update+0x28a/0x4a0 kernel/time/timekeeping.c:672 timekeeping_advance+0x663/0x9a0 kernel/time/timekeeping.c:2119 tick_do_update_jiffies64.part.0+0x183/0x290 kernel/time/tick-sched.c:101 tick_do_update_jiffies64 kernel/time/tick-sched.c:64 [inline] tick_sched_do_timer kernel/time/tick-sched.c:147 [inline] tick_sched_timer+0x22c/0x290 kernel/time/tick-sched.c:1313 __run_hrtimer kernel/time/hrtimer.c:1520 [inline] __hrtimer_run_queues+0x1d5/0xfc0 kernel/time/hrtimer.c:1584 hrtimer_interrupt+0x32a/0x930 kernel/time/hrtimer.c:1646 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1080 [inline] __sysvec_apic_timer_interrupt+0x142/0x5e0 arch/x86/kernel/apic/apic.c:1097 asm_call_on_stack+0xf/0x20 arch/x86/entry/entry_64.S:711 __run_on_irqstack arch/x86/include/asm/irq_stack.h:22 [inline] run_on_irqstack_cond arch/x86/include/asm/irq_stack.h:48 [inline] sysvec_apic_timer_interrupt+0x18f/0x220 arch/x86/kernel/apic/apic.c:1091 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:596 RIP: 0010:get_current arch/x86/include/asm/current.h:15 [inline] RIP: 0010:write_comp_data+0xa/0x80 kernel/kcov.c:217 Code: 65 48 8b 04 25 00 ff 01 00 48 8b 80 f8 13 00 00 c3 0f 1f 44 00 00 66 2e 0f 1f 84 00 00 00 00 00 49 89 f2 65 8b 05 86 b2 8e 7e <65> 48 8b 34 25 00 ff 01 00 a9 00 01 ff 00 74 0f f6 c4 01 74 59 8b RSP: 0018:ffffc90001656de8 EFLAGS: 00000246 RAX: 0000000080000000 RBX: 0000000000000000 RCX: ffffffff83c1938b RDX: 0000000000000002 RSI: 0000000000000000 RDI: 0000000000000005 RBP: 0000000000000001 R08: 0000000000000280 R09: 0000000000000040 R10: 0000000000000000 R11: 0000000000000000 R12: 000000000000000a R13: ffff8880012274d0 R14: 0000000000000000 R15: 0000000000000002 bitfill_aligned drivers/video/fbdev/core/cfbfillrect.c:74 [inline] bitfill_aligned+0x16b/0x200 drivers/video/fbdev/core/cfbfillrect.c:35 cfb_fillrect+0x40b/0x7b0 drivers/video/fbdev/core/cfbfillrect.c:327 vga16fb_fillrect+0x683/0x193b drivers/video/fbdev/vga16fb.c:951 bit_clear_margins+0x2d5/0x4a0 drivers/video/fbdev/core/bitblit.c:232 fbcon_clear_margins+0x1d5/0x230 drivers/video/fbdev/core/fbcon.c:1381 fbcon_switch+0xb6e/0x16c0 drivers/video/fbdev/core/fbcon.c:2363 redraw_screen+0x2ae/0x770 drivers/tty/vt/vt.c:1015 fbcon_modechanged+0x575/0x710 drivers/video/fbdev/core/fbcon.c:3001 fbcon_update_vcs+0x3a/0x50 drivers/video/fbdev/core/fbcon.c:3048 fb_set_var+0xae8/0xd60 drivers/video/fbdev/core/fbmem.c:1056 fbcon_switch+0x52c/0x16c0 drivers/video/fbdev/core/fbcon.c:2296 redraw_screen+0x2ae/0x770 drivers/tty/vt/vt.c:1015 vc_do_resize+0x110e/0x13f0 drivers/tty/vt/vt.c:1314 fbcon_modechanged+0x36c/0x710 drivers/video/fbdev/core/fbcon.c:2990 fbcon_set_all_vcs+0x3b6/0x470 drivers/video/fbdev/core/fbcon.c:3039 fbcon_update_vcs+0x26/0x50 drivers/video/fbdev/core/fbcon.c:3046 fb_set_var+0xae8/0xd60 drivers/video/fbdev/core/fbmem.c:1056 do_fb_ioctl+0x33f/0x6c0 drivers/video/fbdev/core/fbmem.c:1109 fb_ioctl+0xdd/0x130 drivers/video/fbdev/core/fbmem.c:1185 vfs_ioctl fs/ioctl.c:48 [inline] ksys_ioctl+0x11a/0x180 fs/ioctl.c:753 __do_sys_ioctl fs/ioctl.c:762 [inline] __se_sys_ioctl fs/ioctl.c:760 [inline] __x64_sys_ioctl+0x6f/0xb0 fs/ioctl.c:760 do_syscall_64+0x60/0xe0 arch/x86/entry/common.c:359 entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: unable to handle page fault for address: 0000000080010002 #PF: supervisor write access in kernel mode #PF: error_code(0x0002) - not-present page PGD 91f04067 P4D 91f04067 PUD 0 Oops: 0002 [#3] PREEMPT SMP KASAN CPU: 1 PID: 6796 Comm: syz-executor097 Not tainted 5.8.0-rc2-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:in_gate_area_no_mm+0x0/0x6a arch/x86/entry/vsyscall/vsyscall_64.c:343 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 RSP: 0018:ffffc90000da76f8 EFLAGS: 00010046 RAX: 0000000080010002 RBX: ffffc90000da7798 RCX: ffffffff8169f800 RDX: ffff8880927b6180 RSI: ffffffff8169f82b RDI: 0000000000446de9 RBP: 0000000000446de9 R08: ffffc90000da78a8 R09: ffff8880ae72496a R10: 0000000000446de9 R11: 0000000000000001 R12: ffffc90000da78a8 R13: 0000000000000001 R14: 0000000000446de9 R15: ffffc90000da77b8 FS: 0000000000726940(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000080010002 CR3: 000000009168a000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: is_kernel include/linux/kallsyms.h:43 [inline] is_ksym_addr include/linux/kallsyms.h:49 [inline] kallsyms_lookup+0xc3/0x2e0 kernel/kallsyms.c:290 __sprint_symbol+0x9c/0x1c0 kernel/kallsyms.c:363 symbol_string+0x14c/0x370 lib/vsprintf.c:969 Lost 221 message(s)!