BUG: unable to handle page fault for address: ffff888001000000
#PF: supervisor write access in kernel mode
#PF: error_code(0x0003) - permissions violation
PGD 10801067 P4D 10801067 PUD 10802067 PMD 80000000010001e1 
Oops: 0003 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 18801 Comm: syz-executor.0 Not tainted 5.15.0-rc7-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:__writeq arch/x86/include/asm/io.h:98 [inline]
RIP: 0010:bitfill_aligned drivers/video/fbdev/core/cfbfillrect.c:64 [inline]
RIP: 0010:bitfill_aligned+0x141/0x240 drivers/video/fbdev/core/cfbfillrect.c:35
Code: 90 68 fd 44 89 e0 31 d2 bf 07 00 00 00 f7 f5 41 89 c4 89 c6 41 89 c5 e8 fd 98 68 fd 41 83 fc 07 76 5f 4c 89 f5 e8 3f 90 68 fd <48> 89 5d 00 48 89 5d 08 48 89 5d 10 48 89 5d 18 48 89 5d 20 48 89
RSP: 0018:ffffc900052775d0 EFLAGS: 00010246
RAX: 0000000000040000 RBX: 0000000000000000 RCX: ffffc9001210d000
RDX: 0000000000040000 RSI: ffffffff840d9361 RDI: 0000000000000003
RBP: ffff888001000000 R08: 0000000000000007 R09: 0000000000000040
R10: ffffffff840d9399 R11: 0000000000000000 R12: 0000000000000070
R13: 0000000000000030 R14: ffff888000fffe00 R15: 0000000000000000
FS:  00007f54bd000700(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffff888001000000 CR3: 000000003b14d000 CR4: 00000000003506e0
Call Trace:
 cfb_fillrect+0x434/0x800 drivers/video/fbdev/core/cfbfillrect.c:327
 vga16fb_fillrect+0x657/0x18d0 drivers/video/fbdev/vga16fb.c:951
 bit_clear_margins+0x3f6/0x4b0 drivers/video/fbdev/core/bitblit.c:224
 fbcon_clear_margins+0x1f1/0x280 drivers/video/fbdev/core/fbcon.c:1315
 fbcon_switch+0xa8c/0x1620 drivers/video/fbdev/core/fbcon.c:2146
 redraw_screen+0x2b9/0x740 drivers/tty/vt/vt.c:1021
 vc_do_resize+0xee5/0x1180 drivers/tty/vt/vt.c:1342
 vt_resizex drivers/tty/vt/vt_ioctl.c:718 [inline]
 vt_ioctl+0xd4a/0x2b10 drivers/tty/vt/vt_ioctl.c:936
 tty_ioctl+0xbbd/0x1670 drivers/tty/tty_io.c:2805
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:874 [inline]
 __se_sys_ioctl fs/ioctl.c:860 [inline]
 __x64_sys_ioctl+0x193/0x200 fs/ioctl.c:860
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7f54bfa8aae9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f54bd000188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f54bfb9df60 RCX: 00007f54bfa8aae9
RDX: 0000000020000040 RSI: 000000000000560a RDI: 0000000000000003
RBP: 00007f54bfae4f25 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fffd74f1c8f R14: 00007f54bd000300 R15: 0000000000022000
Modules linked in:
CR2: ffff888001000000
---[ end trace 5a999364d1412621 ]---
RIP: 0010:__writeq arch/x86/include/asm/io.h:98 [inline]
RIP: 0010:bitfill_aligned drivers/video/fbdev/core/cfbfillrect.c:64 [inline]
RIP: 0010:bitfill_aligned+0x141/0x240 drivers/video/fbdev/core/cfbfillrect.c:35
Code: 90 68 fd 44 89 e0 31 d2 bf 07 00 00 00 f7 f5 41 89 c4 89 c6 41 89 c5 e8 fd 98 68 fd 41 83 fc 07 76 5f 4c 89 f5 e8 3f 90 68 fd <48> 89 5d 00 48 89 5d 08 48 89 5d 10 48 89 5d 18 48 89 5d 20 48 89
RSP: 0018:ffffc900052775d0 EFLAGS: 00010246
RAX: 0000000000040000 RBX: 0000000000000000 RCX: ffffc9001210d000
RDX: 0000000000040000 RSI: ffffffff840d9361 RDI: 0000000000000003
RBP: ffff888001000000 R08: 0000000000000007 R09: 0000000000000040
R10: ffffffff840d9399 R11: 0000000000000000 R12: 0000000000000070
R13: 0000000000000030 R14: ffff888000fffe00 R15: 0000000000000000
FS:  00007f54bd000700(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffff888001000000 CR3: 000000003b14d000 CR4: 00000000003506e0
----------------
Code disassembly (best guess):
   0:	90                   	nop
   1:	68 fd 44 89 e0       	pushq  $0xffffffffe08944fd
   6:	31 d2                	xor    %edx,%edx
   8:	bf 07 00 00 00       	mov    $0x7,%edi
   d:	f7 f5                	div    %ebp
   f:	41 89 c4             	mov    %eax,%r12d
  12:	89 c6                	mov    %eax,%esi
  14:	41 89 c5             	mov    %eax,%r13d
  17:	e8 fd 98 68 fd       	callq  0xfd689919
  1c:	41 83 fc 07          	cmp    $0x7,%r12d
  20:	76 5f                	jbe    0x81
  22:	4c 89 f5             	mov    %r14,%rbp
  25:	e8 3f 90 68 fd       	callq  0xfd689069
* 2a:	48 89 5d 00          	mov    %rbx,0x0(%rbp) <-- trapping instruction
  2e:	48 89 5d 08          	mov    %rbx,0x8(%rbp)
  32:	48 89 5d 10          	mov    %rbx,0x10(%rbp)
  36:	48 89 5d 18          	mov    %rbx,0x18(%rbp)
  3a:	48 89 5d 20          	mov    %rbx,0x20(%rbp)
  3e:	48                   	rex.W
  3f:	89                   	.byte 0x89