BUG: unable to handle page fault for address: fffff52000c96214
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD 23fff5067 P4D 23fff5067 PUD 1012e0067 PMD 102bf7067 PTE 0
Oops: Oops: 0000 [#1] SMP KASAN PTI
CPU: 1 UID: 0 PID: 7551 Comm: syz.0.704 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
RIP: 0010:sys_imageblit+0xfe7/0x1e40
Code: 89 64 24 28 45 0f b6 64 24 ff 44 89 e1 c1 e9 06 4c 8b ac cc 90 00 00 00 48 98 48 8b 4c 24 10 4c 8d 3c c1 4c 89 f8 48 c1 e8 03 <80> 3c 10 00 74 12 4c 89 ff e8 ab d9 06 fd 48 ba 00 00 00 00 00 fc
RSP: 0018:ffffc9000a60f670 EFLAGS: 00010a06
RAX: 1ffff92000c96214 RBX: 0000000000000004 RCX: ffffc900064b10a0
RDX: dffffc0000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc9000a60f758 R08: ffff888174079e00 R09: 0000000000000002
R10: 0000000000000020 R11: 0000000000000002 R12: 0000000000000000
R13: 0000000000000000 R14: ffff88816bff5d50 R15: ffffc900064b10a0
FS:  00007ff92eadf6c0(0000) GS:ffff8882a8f39000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: fffff52000c96214 CR3: 000000010f27e000 CR4: 00000000000006f0
Call Trace:
 <TASK>
 drm_fbdev_shmem_defio_imageblit+0x2c/0x110
 soft_cursor+0xa0e/0xc40
 bit_cursor+0x11e5/0x19c0
 con_write+0x216/0x290
 n_tty_write+0xd49/0x11e0
 file_tty_write+0x50d/0x9f0
 vfs_write+0x612/0xba0
 ksys_write+0x150/0x270
 do_syscall_64+0x166/0x520
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7ff92db9e159
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ff92eadf028 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007ff92de25fa0 RCX: 00007ff92db9e159
RDX: 0000000000001006 RSI: 0000200000000100 RDI: 0000000000000004
RBP: 00007ff92dc3506b R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ff92de26038 R14: 00007ff92de25fa0 R15: 00007fffcb4afb78
 </TASK>
Modules linked in:
CR2: fffff52000c96214
---[ end trace 0000000000000000 ]---
RIP: 0010:sys_imageblit+0xfe7/0x1e40
Code: 89 64 24 28 45 0f b6 64 24 ff 44 89 e1 c1 e9 06 4c 8b ac cc 90 00 00 00 48 98 48 8b 4c 24 10 4c 8d 3c c1 4c 89 f8 48 c1 e8 03 <80> 3c 10 00 74 12 4c 89 ff e8 ab d9 06 fd 48 ba 00 00 00 00 00 fc
RSP: 0018:ffffc9000a60f670 EFLAGS: 00010a06
RAX: 1ffff92000c96214 RBX: 0000000000000004 RCX: ffffc900064b10a0
RDX: dffffc0000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc9000a60f758 R08: ffff888174079e00 R09: 0000000000000002
R10: 0000000000000020 R11: 0000000000000002 R12: 0000000000000000
R13: 0000000000000000 R14: ffff88816bff5d50 R15: ffffc900064b10a0
FS:  00007ff92eadf6c0(0000) GS:ffff8882a8f39000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: fffff52000c96214 CR3: 000000010f27e000 CR4: 00000000000006f0
