BUG: unable to handle page fault for address: ffffc90005c29000
#PF: supervisor write access in kernel mode
#PF: error_code(0x0002) - not-present page
PGD 3e4b1067 P4D 3e4b1067 PUD 3e4b2067 PMD 3b5d4067 PTE 0
Oops: 0002 [#1] PREEMPT SMP
CPU: 3 PID: 8742 Comm: syz-executor.3 Not tainted 5.8.0-rc5-syzkaller #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.12.0-59-gc9ba5276e321-prebuilt.qemu.org 04/01/2014
RIP: 0010:bitfill_aligned drivers/video/fbdev/core/sysfillrect.c:54 [inline]
RIP: 0010:bitfill_aligned+0x103/0x1f0 drivers/video/fbdev/core/sysfillrect.c:25
Code: 89 e0 31 d2 bf 07 00 00 00 f7 f5 41 89 c4 89 c6 41 89 c7 e8 7f b2 f1 fe 41 83 fc 07 76 5c 4c 89 ed e8 f1 b5 f1 fe 48 83 c5 40 <48> 89 5d c0 41 83 ef 08 48 89 5d c8 44 89 fe bf 07 00 00 00 48 89
RSP: 0018:ffffc90000c078f8 EFLAGS: 00010282
RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff8248d114
RDX: ffff888024aa0040 RSI: ffffffff8248d0df RDI: 0000000000000005
RBP: ffffc90005c29040 R08: 00000000ffff8000 R09: 0000000000000040
R10: 0000000000000007 R11: 0000000000000000 R12: 0000000003fffe00
R13: ffffc9000592a000 R14: 0000000000000000 R15: 0000000003fa0000
FS:  00007f555adc0700(0000) GS:ffff88803eb00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffc90005c29000 CR3: 000000002b42e000 CR4: 0000000000340ee0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 sys_fillrect+0x1c5/0x3f0 drivers/video/fbdev/core/sysfillrect.c:291
 drm_fb_helper_sys_fillrect+0x18/0x40 drivers/gpu/drm/drm_fb_helper.c:731
 bit_clear_margins+0x13b/0x150 drivers/video/fbdev/core/bitblit.c:224
 fbcon_clear_margins+0x9e/0xb0 drivers/video/fbdev/core/fbcon.c:1381
 fbcon_switch+0x51c/0x880 drivers/video/fbdev/core/fbcon.c:2363
 redraw_screen+0x13a/0x350 drivers/tty/vt/vt.c:1015
 fbcon_modechanged+0x20c/0x280 drivers/video/fbdev/core/fbcon.c:3001
 fbcon_update_vcs+0x3a/0x50 drivers/video/fbdev/core/fbcon.c:3048
 fb_set_var+0x56a/0x5b0 drivers/video/fbdev/core/fbmem.c:1056
 do_fb_ioctl+0x1bf/0x4d0 drivers/video/fbdev/core/fbmem.c:1109
 fb_ioctl+0x4c/0x80 drivers/video/fbdev/core/fbmem.c:1185
 vfs_ioctl fs/ioctl.c:48 [inline]
 ksys_ioctl+0xde/0x130 fs/ioctl.c:753
 __do_sys_ioctl fs/ioctl.c:762 [inline]
 __se_sys_ioctl fs/ioctl.c:760 [inline]
 __x64_sys_ioctl+0x1a/0x20 fs/ioctl.c:760
 do_syscall_64+0x60/0xe0 arch/x86/entry/common.c:384
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x45c879
Code: Bad RIP value.
RSP: 002b:00007f555adbfc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 000000000074bf00 RCX: 000000000045c879
RDX: 0000000020000000 RSI: 0000000000004601 RDI: 0000000000000003
RBP: 00000000006f8dc0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f555adc06d4
R13: 00000000000002f2 R14: 00000000006ed140 R15: 00000000004ac429
Modules linked in:
CR2: ffffc90005c29000
---[ end trace 876f2b2e25f47077 ]---
RIP: 0010:bitfill_aligned drivers/video/fbdev/core/sysfillrect.c:54 [inline]
RIP: 0010:bitfill_aligned+0x103/0x1f0 drivers/video/fbdev/core/sysfillrect.c:25
Code: 89 e0 31 d2 bf 07 00 00 00 f7 f5 41 89 c4 89 c6 41 89 c7 e8 7f b2 f1 fe 41 83 fc 07 76 5c 4c 89 ed e8 f1 b5 f1 fe 48 83 c5 40 <48> 89 5d c0 41 83 ef 08 48 89 5d c8 44 89 fe bf 07 00 00 00 48 89
RSP: 0018:ffffc90000c078f8 EFLAGS: 00010282
RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff8248d114
RDX: ffff888024aa0040 RSI: ffffffff8248d0df RDI: 0000000000000005
RBP: ffffc90005c29040 R08: 00000000ffff8000 R09: 0000000000000040
R10: 0000000000000007 R11: 0000000000000000 R12: 0000000003fffe00
R13: ffffc9000592a000 R14: 0000000000000000 R15: 0000000003fa0000
FS:  00007f555adc0700(0000) GS:ffff88803eb00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffc90005c29000 CR3: 000000002b42e000 CR4: 0000000000340ee0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400