general protection fault, probably for non-canonical address 0x1ffffffff135a814: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 6810 Comm: syz-executor844 Not tainted 5.8.0-rc6-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:7405 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: 1ffffffff135a814 RBX: 00000000ffffffff RCX: ffffffff814e191b RDX: ffffffff8c91a9c0 RSI: 0000000000000000 RDI: ffffffff89ad40a0 RBP: dffffc0000000000 R08: 0000000000000000 R09: ffffffff8c59aa27 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff89ad40a0 FS: 0000000001fd7880(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fa69003d0e8 CR3: 00000000a70d9000 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+0xe0/0x120 arch/x86/kernel/apic/apic.c:1091 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:585 RIP: 0010:bitfill_aligned drivers/video/fbdev/core/cfbfillrect.c:44 [inline] RIP: 0010:bitfill_aligned+0x5f/0x200 drivers/video/fbdev/core/cfbfillrect.c:35 Code: fd 49 c7 c6 ff ff ff ff 31 d2 89 ee 47 8d 04 3c 4c 89 f0 44 89 f9 48 d3 e0 44 89 c7 44 89 44 24 0c 48 89 04 24 44 89 c0 f7 f5 <89> d1 49 d3 e6 e8 c7 85 b1 fd 44 8b 44 24 0c 49 f7 d6 41 39 e8 77 RSP: 0018:ffffc90001857378 EFLAGS: 00000246 RAX: 0000000000000004 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000040 RDI: 0000000000000100 RBP: 0000000000000040 R08: 0000000000000100 R09: 0000000000000040 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000100 R13: ffff8880011a7640 R14: ffffffffffffffff R15: 0000000000000000 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 vc_do_resize+0x110e/0x13f0 drivers/tty/vt/vt.c:1314 fbcon_modechanged+0x36c/0x710 drivers/video/fbdev/core/fbcon.c:2990 fbcon_update_vcs+0x3a/0x50 drivers/video/fbdev/core/fbcon.c:3048 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:384 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 a2607067 P4D a2607067 PUD 0 Oops: 0002 [#2] PREEMPT SMP KASAN CPU: 1 PID: 6810 Comm: syz-executor844 Not tainted 5.8.0-rc6-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:ffffc90000da8278 EFLAGS: 00010046 RAX: 0000000080010002 RBX: ffffc90000da8318 RCX: ffffffff816a6330 RDX: ffff88808e1b6100 RSI: ffffffff816a635b RDI: 00000000004404d9 RBP: 00000000004404d9 R08: ffffc90000da8428 R09: ffffffff8c8d7109 R10: 00000000004404d9 R11: 0000000000000000 R12: ffffc90000da8428 R13: 0000000000000001 R14: 00000000004404d9 R15: ffffc90000da8338 FS: 0000000001fd7880(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000080010002 CR3: 00000000a70d9000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: is_kernel include/linux/kallsyms.h:44 [inline] is_ksym_addr include/linux/kallsyms.h:50 [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:131 show_iret_regs+0x10/0x32 arch/x86/kernel/dumpstack.c:138 __show_regs+0x18/0x50 arch/x86/kernel/process_64.c:72 show_trace_log_lvl+0x255/0x2b4 arch/x86/kernel/dumpstack.c:281 show_regs arch/x86/kernel/dumpstack.c:415 [inline] __die_body arch/x86/kernel/dumpstack.c:400 [inline] die_addr.cold+0x8/0xd arch/x86/kernel/dumpstack.c:440 __exc_general_protection arch/x86/kernel/traps.c:595 [inline] exc_general_protection+0x193/0x2d0 arch/x86/kernel/traps.c:525 asm_exc_general_protection+0x1e/0x30 arch/x86/include/asm/idtentry.h:536 RIP: 0010:pvclock_gtod_notify+0x0/0x4d0 arch/x86/kvm/x86.c:7405 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: 1ffffffff135a814 RBX: 00000000ffffffff RCX: ffffffff814e191b RDX: ffffffff8c91a9c0 RSI: 0000000000000000 RDI: ffffffff89ad40a0 RBP: dffffc0000000000 R08: 0000000000000000 R09: ffffffff8c59aa27 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff89ad40a0 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+0xe0/0x120 arch/x86/kernel/apic/apic.c:1091 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:585 RIP: 0010:bitfill_aligned drivers/video/fbdev/core/cfbfillrect.c:44 [inline] RIP: 0010:bitfill_aligned+0x5f/0x200 drivers/video/fbdev/core/cfbfillrect.c:35 Code: fd 49 c7 c6 ff ff ff ff 31 d2 89 ee 47 8d 04 3c 4c 89 f0 44 89 f9 48 d3 e0 44 89 c7 44 89 44 24 0c 48 89 04 24 44 89 c0 f7 f5 <89> d1 49 d3 e6 e8 c7 85 b1 fd 44 8b 44 24 0c 49 f7 d6 41 39 e8 77 RSP: 0018:ffffc90001857378 EFLAGS: 00000246 RAX: 0000000000000004 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000040 RDI: 0000000000000100 RBP: 0000000000000040 R08: 0000000000000100 R09: 0000000000000040 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000100 R13: ffff8880011a7640 R14: ffffffffffffffff R15: 0000000000000000 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 vc_do_resize+0x110e/0x13f0 drivers/tty/vt/vt.c:1314 fbcon_modechanged+0x36c/0x710 drivers/video/fbdev/core/fbcon.c:2990 fbcon_update_vcs+0x3a/0x50 drivers/video/fbdev/core/fbcon.c:3048 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:384 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 a2607067 P4D a2607067 PUD 0 Oops: 0002 [#3] PREEMPT SMP KASAN CPU: 1 PID: 6810 Comm: syz-executor844 Not tainted 5.8.0-rc6-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:ffffc90000da7760 EFLAGS: 00010046 RAX: 0000000080010002 RBX: ffffc90000da7800 RCX: ffffffff816a6330 RDX: ffff88808e1b6100 RSI: ffffffff816a635b RDI: 00000000004404d9 RBP: 00000000004404d9 R08: ffffc90000da7910 R09: ffff8880ae724703 R10: 00000000004404d9 R11: 0000000000000001 R12: ffffc90000da7910 R13: 0000000000000001 R14: 00000000004404d9 R15: ffffc90000da7820 FS: 0000000001fd7880(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000080010002 CR3: 00000000a70d9000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: is_kernel include/linux/kallsyms.h:44 [inline] is_ksym_addr include/linux/kallsyms.h:50 [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 printk_safe_log_store+0xf5/0x250 kernel/printk/printk_safe.c:94 vprintk_safe kernel/printk/printk_safe.c:347 [inline] vprintk_func+0xef/0x1a6 kernel/printk/printk_safe.c:390 printk+0xba/0xed kernel/printk/printk.c:2070 show_ip+0x22/0x30 arch/x86/kernel/dumpstack.c:131 show_iret_regs+0x10/0x32 arch/x86/kernel/dumpstack.c:138 __show_regs+0x18/0 Lost 181 message(s)!