general protection fault, probably for non-canonical address 0x1ffffffff135ab6c: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 6826 Comm: syz-executor379 Not tainted 5.8.0-rc4-next-20200710-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: 1ffffffff135ab6c RBX: 00000000ffffffff RCX: ffffffff814e2d1b
RDX: ffffffff8c930940 RSI: 0000000000000000 RDI: ffffffff89ad5b60
RBP: dffffc0000000000 R08: 0000000000000000 R09: ffffffff8c5b09e7
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff89ad5b60
FS: 0000000000af3880(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020000180 CR3: 00000000a2acc000 CR4: 00000000001506e0
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:1321
__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:1079 [inline]
__sysvec_apic_timer_interrupt+0x142/0x5e0 arch/x86/kernel/apic/apic.c:1096
asm_call_on_stack+0xf/0x20 arch/x86/entry/entry_64.S:706
__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:1090
asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:587
RIP: 0010:writeb arch/x86/include/asm/io.h:65 [inline]
RIP: 0010:vga16fb_fillrect+0x9bb/0x193b drivers/video/fbdev/vga16fb.c:923
Code: ff ff e8 48 cd ab fd 48 63 44 24 10 45 31 f6 48 89 04 24 e8 37 cd ab fd 31 ff 89 de 31 ed e8 ac c9 ab fd 85 db 4d 89 ec 74 22 20 cd ab fd 45 88 34 24 83 c5 01 89 df 49 83 c4 01 89 ee e8 0c
RSP: 0018:ffffc90000f875b0 EFLAGS: 00000216
RAX: 0000000000000000 RBX: 000000001ffffff0 RCX: ffffffff83c82324
RDX: 000000000106dbc2 RSI: ffff8880984ca180 RDI: 0000000000000004
RBP: 000000000106dbc2 R08: 0000000000000001 R09: ffff888218f98e1f
R10: 000000001ffffff0 R11: 0000000000000000 R12: ffff88800110dbd2
R13: ffff8880000a0010 R14: 0000000000000000 R15: 00000000000004af
bit_clear_margins+0x3f6/0x4a0 drivers/video/fbdev/core/bitblit.c:224
fbcon_clear_margins+0x1d5/0x230 drivers/video/fbdev/core/fbcon.c:1381
fbcon_switch+0xb6f/0x16c0 drivers/video/fbdev/core/fbcon.c:2363
redraw_screen+0x2af/0x770 drivers/tty/vt/vt.c:1020
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
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 a8775067 P4D a8775067 PUD 0
Oops: 0002 [#2] PREEMPT SMP KASAN
CPU: 1 PID: 6826 Comm: syz-executor379 Not tainted 5.8.0-rc4-next-20200710-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: ffffffff816a9140
RDX: ffff8880984ca180 RSI: ffffffff816a916b RDI: 00000000004405f9
RBP: 00000000004405f9 R08: ffffc90000da8428 R09: ffffffff8c8ed0c9
R10: 00000000004405f9 R11: 0000000000000000 R12: ffffc90000da8428
R13: 0000000000000001 R14: 00000000004405f9 R15: ffffc90000da8338
FS: 0000000000af3880(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000080010002 CR3: 00000000a2acc000 CR4: 00000000001506e0
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:291
__sprint_symbol+0x9c/0x1c0 kernel/kallsyms.c:364
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:592 [inline]
exc_general_protection+0x193/0x2d0 arch/x86/kernel/traps.c:522
asm_exc_general_protection+0x1e/0x30 arch/x86/include/asm/idtentry.h:538
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: 1ffffffff135ab6c RBX: 00000000ffffffff RCX: ffffffff814e2d1b
RDX: ffffffff8c930940 RSI: 0000000000000000 RDI: ffffffff89ad5b60
RBP: dffffc0000000000 R08: 0000000000000000 R09: ffffffff8c5b09e7
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff89ad5b60
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:1321
__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:1079 [inline]
__sysvec_apic_timer_interrupt+0x142/0x5e0 arch/x86/kernel/apic/apic.c:1096
asm_call_on_stack+0xf/0x20 arch/x86/entry/entry_64.S:706
__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:1090
asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:587
RIP: 0010:writeb arch/x86/include/asm/io.h:65 [inline]
RIP: 0010:vga16fb_fillrect+0x9bb/0x193b drivers/video/fbdev/vga16fb.c:923
Code: ff ff e8 48 cd ab fd 48 63 44 24 10 45 31 f6 48 89 04 24 e8 37 cd ab fd 31 ff 89 de 31 ed e8 ac c9 ab fd 85 db 4d 89 ec 74 22 20 cd ab fd 45 88 34 24 83 c5 01 89 df 49 83 c4 01 89 ee e8 0c
RSP: 0018:ffffc90000f875b0 EFLAGS: 00000216
RAX: 0000000000000000 RBX: 000000001ffffff0 RCX: ffffffff83c82324
RDX: 000000000106dbc2 RSI: ffff8880984ca180 RDI: 0000000000000004
RBP: 000000000106dbc2 R08: 0000000000000001 R09: ffff888218f98e1f
R10: 000000001ffffff0 R11: 0000000000000000 R12: ffff88800110dbd2
R13: ffff8880000a0010 R14: 0000000000000000 R15: 00000000000004af
bit_clear_margins+0x3f6/0x4a0 drivers/video/fbdev/core/bitblit.c:224
fbcon_clear_margins+0x1d5/0x230 drivers/video/fbdev/core/fbcon.c:1381
fbcon_switch+0xb6f/0x16c0 drivers/video/fbdev/core/fbcon.c:2363
redraw_screen+0x2af/0x770 drivers/tty/vt/vt.c:1020
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
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 a8775067 P4D a8775067 PUD 0
Oops: 0002 [#3] PREEMPT SMP KASAN
CPU: 1 PID: 6826 Comm: syz-executor379 Not tainted 5.8.0-rc4-next-20200710-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:ffffc90000da7768 EFLAGS: 00010046
RAX: 0000000080010002 RBX: ffffc90000da7808 RCX: ffffffff816a9140
RDX: ffff8880984ca180 RSI: ffffffff816a916b RDI: 00000000004405f9
RBP: 00000000004405f9 R08: ffffc90000da7918 R09: ffff8880ae72461a
R10: 00000000004405f9 R11: 0000000000000001 R12: ffffc90000da7918
R13: 0000000000000001 R14: 00000000004405f9 R15: ffffc90000da7828
FS: 0000000000af3880(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000080010002 CR3: 00000000a2acc000 CR4: 00000000001506e0
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:291
__sprint_symbol+0x9c/0x1c0 kernel/kallsyms.c:364
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: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:447 [inline]
__die_body arch/x86/kernel/dumpstack.c:393 [inline]
__die+0x51/0x90 arch/x86/kernel/dumpstack.c:407
no_context+0x56b/0x9f0 arch/x86/mm/fault.c:694
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