general protection fault, probably for non-canonical address 0x1ffff11015d06b1a: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 6964 Comm: syz-executor977 Not tainted 5.8.0-rc3-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:__switch_to_asm+0x0/0x40 arch/x86/entry/entry_64.S:228
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:ffffc90001477438 EFLAGS: 00010046
RAX: 1ffff11015d06b1a RBX: ffff8880ae8358c0 RCX: ffff888093fa60c0
RDX: ffff888093fa6988 RSI: ffff88809ef88000 RDI: ffff888093fa60c0
RBP: ffff888098786440 R08: dffffc0000000000 R09: fffffbfff12da576
R10: fffffbfff12da576 R11: 0000000000000000 R12: ffff888093fa64f0
R13: dffffc0000000000 R14: 1ffff110127f4c9e R15: ffff88809ef88000
FS:  000000000167d880(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020000180 CR3: 00000000a2fe2000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 context_switch kernel/sched/core.c:3453 [inline]
 __schedule+0x7d3/0xc40 kernel/sched/core.c:4178
 preempt_schedule_irq+0xca/0x150 kernel/sched/core.c:4436
 idtentry_exit_cond_resched arch/x86/entry/common.c:621 [inline]
 idtentry_exit_cond_rcu+0xcb/0xe0 arch/x86/entry/common.c:668
 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:596
RIP: 0010:writeb arch/x86/include/asm/io.h:65 [inline]
RIP: 0010:vga16fb_fillrect+0xfd0/0x13e0 drivers/video/fbdev/vga16fb.c:923
Code: 10 eb 15 e8 62 15 9e fd 49 ff c5 45 85 e4 74 38 4d 01 f5 e8 52 15 9e fd 41 ff cc 83 7c 24 18 00 74 1c 44 89 fd 0f 1f 44 00 00 <41> 88 5d 00 85 ed 74 d1 49 ff c5 e8 30 15 9e fd ff cd eb ec e8 27
RSP: 0018:ffffc900014775c0 EFLAGS: 00000207
RAX: ffffffff83d666e0 RBX: 0000000000000000 RCX: ffff888093fa60c0
RDX: 0000000000000000 RSI: 000000001fffffb0 RDI: 0000000000000000
RBP: 000000001f018782 R08: ffffffff83d6669b R09: ffffffff83d65e0f
R10: 0000000000000002 R11: ffff888093fa60c0 R12: 000000000000028e
R13: ffff88800108787d R14: ffffffffe00000b4 R15: 000000001fffffaf
 bit_clear_margins+0x266/0x620 drivers/video/fbdev/core/bitblit.c:224
 fbcon_clear_margins drivers/video/fbdev/core/fbcon.c:1381 [inline]
 fbcon_switch+0x1448/0x1e40 drivers/video/fbdev/core/fbcon.c:2363
 redraw_screen+0x4fc/0x16f0 drivers/tty/vt/vt.c:1015
 fbcon_modechanged+0x8d5/0xd90 drivers/video/fbdev/core/fbcon.c:3001
 fb_set_var+0x825/0xcc0 drivers/video/fbdev/core/fbmem.c:1056
 fbcon_switch+0x8d0/0x1e40 drivers/video/fbdev/core/fbcon.c:2296
 redraw_screen+0x4fc/0x16f0 drivers/tty/vt/vt.c:1015
 fbcon_modechanged+0x8d5/0xd90 drivers/video/fbdev/core/fbcon.c:3001
 fb_set_var+0x825/0xcc0 drivers/video/fbdev/core/fbmem.c:1056
 do_fb_ioctl+0x502/0x6f0 drivers/video/fbdev/core/fbmem.c:1109
 vfs_ioctl fs/ioctl.c:48 [inline]
 ksys_ioctl fs/ioctl.c:753 [inline]
 __do_sys_ioctl fs/ioctl.c:762 [inline]
 __se_sys_ioctl+0xf9/0x160 fs/ioctl.c:760
 do_syscall_64+0x73/0xe0 arch/x86/entry/common.c:359
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
BUG: unable to handle page fault for address: 0000000040000000
#PF: supervisor write access in kernel mode
#PF: error_code(0x0002) - not-present page
PGD a6be0067 P4D a6be0067 PUD 0 
Oops: 0002 [#2] PREEMPT SMP KASAN
CPU: 0 PID: 6964 Comm: syz-executor977 Not tainted 5.8.0-rc3-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:in_gate_area_no_mm+0x0/0x50 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:ffffc90001476bb0 EFLAGS: 00010003
RAX: 0000000040000000 RBX: 00000000004403d9 RCX: ffff888093fa60c0
RDX: ffff888093fa60c0 RSI: ffffffff8c226000 RDI: 00000000004403d9
RBP: ffffffff81000000 R08: ffffffff816b452c R09: ffffffff83bd41be
R10: 0000000000000002 R11: ffff888093fa60c0 R12: ffffc90001476c18
R13: ffffc90001476c90 R14: ffffc90001476c20 R15: ffffffff8c226000
FS:  000000000167d880(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000040000000 CR3: 00000000a2fe2000 CR4: 00000000001406f0
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+0xa5/0x540 kernel/kallsyms.c:290
 __sprint_symbol+0x51/0x1b0 kernel/kallsyms.c:363
 symbol_string+0xb3/0x210 lib/vsprintf.c:969
BUG: unable to handle page fault for address: 0000000040000000
#PF: supervisor write access in kernel mode
#PF: error_code(0x0002) - not-present page
PGD a6be0067 P4D a6be0067 PUD 0 
Oops: 0002 [#3] PREEMPT SMP KASAN
CPU: 0 PID: 6964 Comm: syz-executor977 Not tainted 5.8.0-rc3-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:in_gate_area_no_mm+0x0/0x50 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:ffffc900014764c0 EFLAGS: 00010087
RAX: 0000000040000000 RBX: ffffffff80ffffff RCX: ffff888093fa60c0
RDX: ffff888093fa60c0 RSI: ffffffff8c226000 RDI: ffffffff80ffffff
RBP: ffffffff81000000 R08: ffffffff816b452c R09: ffffffff83bd41be
R10: 0000000000000002 R11: ffff888093fa60c0 R12: ffffc90001476528
R13: ffffc900014765a0 R14: ffffc90001476530 R15: ffffffff8c226000
FS:  000000000167d880(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000040000000 CR3: 00000000a2fe2000 CR4: 00000000001406f0
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+0xa5/0x540 kernel/kallsyms.c:290
BUG: unable to handle page fault for address: 0000000040000000
#PF: supervisor write access in kernel mode
#PF: error_code(0x0002) - not-present page
PGD a6be0067 P4D a6be0067 PUD 0 
Oops: 0002 [#4] PREEMPT SMP KASAN
CPU: 0 PID: 6964 Comm: syz-executor977 Not tainted 5.8.0-rc3-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:in_gate_area_no_mm+0x0/0x50 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:ffffc90001475dd0 EFLAGS: 00010087
RAX: 0000000040000000 RBX: ffffffff80ffffff RCX: ffff888093fa60c0
RDX: ffff888093fa60c0 RSI: ffffffff8c226000 RDI: ffffffff80ffffff
RBP: ffffffff81000000 R08: ffffffff816b452c R09: ffffffff83bd41be
R10: 0000000000000002 R11: ffff888093fa60c0 R12: ffffc90001475e38
R13: ffffc90001475eb0 R14: ffffc90001475e40 R15: ffffffff8c226000
FS:  000000000167d880(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000040000000 CR3: 00000000a2fe2000 CR4: 00000000001406f0
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+0xa5/0x540 kernel/kallsyms.c:290
BUG: unable to handle page fault for address: 0000000040000000
#PF: supervisor write access in kernel mode
#PF: error_code(0x0002) - not-present page
PGD a6be0067 P4D a6be0067 PUD 0 
Oops: 0002 [#5] PREEMPT SMP KASAN
CPU: 0 PID: 6964 Comm: syz-executor977 Not tainted 5.8.0-rc3-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:in_gate_area_no_mm+0x0/0x50 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:ffffc900014756e0 EFLAGS: 00010087
RAX: 0000000040000000 RBX: ffffffff80ffffff RCX: ffff888093fa60c0
RDX: ffff888093fa60c0 RSI: ffffffff8c226000 RDI: ffffffff80ffffff
RBP: ffffffff81000000 R08: ffffffff816b452c R09: ffffffff83bd41be
R10: 0000000000000002 R11: ffff888093fa60c0 R12: ffffc90001475748
R13: ffffc900014757c0 R14: ffffc90001475750 R15: ffffffff8c226000
FS:  000000000167d880(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000040000000 CR3: 00000000a2fe2000 CR4: 00000000001406f0
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+0xa5/0x540 kernel/kallsyms.c:290
BUG: unable to handle page fault for address: 0000000040000000
#PF: supervisor write access in kernel mode
#PF: error_code(0x0002) - not-present page
PGD a6be0067 P4D a6be0067 PUD 0 
Oops: 0002 [#6] PREEMPT SMP KASAN
CPU: 0 PID: 6964 Comm: syz-executor977 Not tainted 5.8.0-rc3-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:in_gate_area_no_mm+0x0/0x50 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:ffffc90001474ff0 EFLAGS: 00010087
RAX: 0000000040000000 RBX: ffffffff80ffffff RCX: ffff888093fa60c0
RDX: ffff888093fa60c0 RSI: ffffffff8c226000 RDI: ffffffff80ffffff
RBP: ffffffff81000000 R08: ffffffff816b452c R09: ffffffff83bd41be
R10: 0000000000000002 R11: ffff888093fa60c0 R12: ffffc90001475058
R13: ffffc900014750d0 R14: ffffc90001475060 R15: ffffffff8c226000
FS:  000000000167d880(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000040000000 CR3: 00000000a2fe2000 CR4: 00000000001406f0
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+0xa5/0x540 kernel/kallsyms.c:290
BUG: unable to handle page fault for address: 0000000040000000
#PF: supervisor write access in kernel mode
#PF: error_code(0x0002) - not-present page
PGD a6be0067 P4D a6be0067 PUD 0 
Oops: 0002 [#7] PREEMPT SMP KASAN
CPU: 0 PID: 6964 Comm: syz-executor977 Not tainted 5.8.0-rc3-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:in_gate_area_no_mm+0x0/0x50 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:ffffc90001474900 EFLAGS: 00010087
RAX: 0000000040000000 RBX: ffffffff80ffffff RCX: ffff888093fa60c0
RDX: ffff888093fa60c0 RSI: ffffffff8c226000 RDI: ffffffff80ffffff
RBP: ffffffff81000000 R08: ffffffff816b452c R09: ffffffff83bd41be
R10: 0000000000000002 R11: ffff888093fa60c0 R12: ffffc90001474968
R13: ffffc900014749e0 R14: ffffc90001474970 R15: ffffffff8c226000
FS:  000000000167d880(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000
CS:  0010 DS: 00
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