8<--- cut here ---
Unable to handle kernel paging request at virtual address e03c4000
pgd = 86e807c0
[e03c4000] *pgd=80000080007003, *pmd=843f5003, *pte=00000000
Internal error: Oops: a07 [#1] PREEMPT SMP ARM
Modules linked in:
CPU: 0 PID: 9311 Comm: syz-executor.1 Not tainted 5.12.0-rc3-syzkaller #0
Hardware name: ARM-Versatile Express
PC is at fast_imageblit drivers/video/fbdev/core/sysimgblt.c:229 [inline]
PC is at sys_imageblit+0x4b0/0x52c drivers/video/fbdev/core/sysimgblt.c:275
LR is at 0xe03c4000
pc : [<808f4744>]    lr : [<e03c4000>]    psr: 00000013
sp : 869ddad8  ip : 844ba0c0  fp : 869ddb2c
r10: 81b0a288  r9 : 00000000  r8 : e03c4000
r7 : 0000000f  r6 : 844ba0c0  r5 : 00000001  r4 : 00000000
r3 : 00000000  r2 : 00000007  r1 : 00000001  r0 : 0000002e
Flags: nzcv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment user
Control: 30c5387d  Table: 86e807c0  DAC: fffffffd
Process syz-executor.1 (pid: 9311, stack limit = 0x869dc210)
Stack: (0x869ddad8 to 0x869de000)
dac0:                                                       80384db8 8181ca64
dae0: 808edbc0 00000010 00000006 869ddbb4 0000002f 00000030 844ba0c0 844a2c00
db00: 81b027bc 869ddbb4 844a2c00 00000006 86ec5c8c 00000000 000000ff 83420800
db20: 869ddb4c 869ddb30 809b5200 808f42a0 00000006 00000001 ffffffff 844ba0c6
db40: 869ddc1c 869ddb50 808edbf8 809b51c4 844b8000 00000000 82b5a808 00000000
db60: 83420a60 ffffffff ffffffff 844a2e3c 00000000 00000000 00000000 00000200
db80: 844a2c00 00000006 86ec5c80 00000006 808ed764 833a7b34 842c6600 84250618
dba0: 00000000 00000001 00000010 00000001 844a2c00 00000000 00000300 00000030
dbc0: 00000010 00000007 00000000 844a2c01 844ba0c0 00000000 00000000 00000400
dbe0: 00000300 00000400 00000300 56b92eae 869ddc1c 83420800 86ec5c80 00000006
dc00: 844a2c00 808ed9d8 00000030 00000007 869ddc64 869ddc20 808e7f48 808ed9e4
dc20: 00000030 00000000 00000007 00000000 00000000 00000007 00000240 86ec5c8c
dc40: 808e7e60 000000ba 83420800 00000060 86ec5c8c 00000006 869ddcac 869ddc68
dc60: 8095a3b8 808e7e6c 00000000 869ddc78 808e83c4 00000000 00000000 56b92eae
dc80: 00000001 83420800 00000000 00000001 00000001 00000000 842c6600 00000000
dca0: 869ddce4 869ddcb0 8095bdc8 8095a2b4 00000000 00000000 00000000 56b92eae
dcc0: 00000000 844a2c00 83420800 842c6600 00000001 00000000 869dddc4 869ddce8
dce0: 808ebb40 8095bbc0 869ddd04 869ddcf8 8181dacc 00000400 00000300 00000400
dd00: 00000300 00000000 00000000 00000020 00000000 00000010 00000008 00000000
dd20: 00000008 00000008 00000000 00000000 00000008 00000000 00000000 00000000
dd40: 00000000 00000000 00000280 00000000 00000000 00000001 00000000 00000000
dd60: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
dd80: 00000000 00000000 00000000 00000000 00000000 56b92eae 00000001 833aa120
dda0: 83420800 00000001 00000000 0000003a 83420800 86f5dc00 869ddde4 869dddc8
ddc0: 8095bea8 808eb994 00000000 86f5dc00 00004b3a 83420800 869dde64 869ddde8
dde0: 809535a8 8095be08 8181dacc 8181d97c 869dde2c 869dde00 8181c9a4 8181dabc
de00: 00000000 00000000 81f94a4c 00000103 82bfd371 8547c500 00000005 00000036
de20: 869dde54 869dde30 8027ea14 8181c88c 00000000 56b92eae 81f94a4c fffffdfd
de40: 00004b3a 86f5dc00 8547c500 fffff73a 00000000 86f5dc00 869ddf0c 869dde68
de60: 8093f890 80951c38 00000000 56b92eae 8373b320 0000003a 8376f5e8 0000004b
de80: 00000001 8547c500 00000005 00000036 869ddeec 869ddea0 80701b40 806f7810
dea0: 00000001 0000004b 0000003a 869ddebc 8577ecd0 83854180 00004b3a 8547c50b
dec0: 869ddeb0 8547c500 00000005 56b92eae 821280c8 00000000 8547c500 56b92eae
dee0: 869ddf0c 00004b3a 00000000 8547c501 00000000 8547c500 00000005 8376f5e8
df00: 869ddfa4 869ddf10 804f33f4 8093f4d8 8020d140 8020e34c 00000000 80200e90
df20: 828a2438 80200e90 854cd140 80200060 869ddf4c 869ddf40 8181dacc 8181d97c
df40: 869ddf74 869ddf50 8181cb8c 8181dabc 869ddf98 80384d84 828abd1c 80200e90
df60: 60000093 30c5387d 869ddf94 869ddf78 828abd1c 56b92eae 00000000 00000000
df80: 00000000 00000000 00000036 80200224 869dc000 00000036 00000000 869ddfa8
dfa0: 80200060 804f32e0 00000000 00000000 00000005 00004b3a 00000000 00000000
dfc0: 00000000 00000000 00000000 00000036 7eb5c32a 76f956d0 7eb5c4ac 76f9520c
dfe0: 76f95048 76f95038 00018d58 0004b630 60000010 00000005 00000000 00000000
Backtrace: 
[<808f4294>] (sys_imageblit) from [<809b5200>] (drm_fb_helper_sys_imageblit drivers/gpu/drm/drm_fb_helper.c:794 [inline])
[<808f4294>] (sys_imageblit) from [<809b5200>] (drm_fbdev_fb_imageblit+0x48/0x4c drivers/gpu/drm/drm_fb_helper.c:2276)
 r10:83420800 r9:000000ff r8:00000000 r7:86ec5c8c r6:00000006 r5:844a2c00
 r4:869ddbb4
[<809b51b8>] (drm_fbdev_fb_imageblit) from [<808edbf8>] (bit_putcs_unaligned drivers/video/fbdev/core/bitblit.c:139 [inline])
[<809b51b8>] (drm_fbdev_fb_imageblit) from [<808edbf8>] (bit_putcs+0x220/0x470 drivers/video/fbdev/core/bitblit.c:188)
 r5:844ba0c6 r4:ffffffff
[<808ed9d8>] (bit_putcs) from [<808e7f48>] (fbcon_putcs+0xe8/0xf0 drivers/video/fbdev/core/fbcon.c:1296)
 r10:00000007 r9:00000030 r8:808ed9d8 r7:844a2c00 r6:00000006 r5:86ec5c80
 r4:83420800
[<808e7e60>] (fbcon_putcs) from [<8095a3b8>] (do_update_region+0x110/0x1ac drivers/tty/vt/vt.c:676)
 r10:00000006 r9:86ec5c8c r8:00000060 r7:83420800 r6:000000ba r5:808e7e60
 r4:86ec5c8c
[<8095a2a8>] (do_update_region) from [<8095bdc8>] (redraw_screen+0x214/0x248 drivers/tty/vt/vt.c:1035)
 r10:00000000 r9:842c6600 r8:00000000 r7:00000001 r6:00000001 r5:00000000
 r4:83420800
[<8095bbb4>] (redraw_screen) from [<808ebb40>] (fbcon_blank+0x1b8/0x250 drivers/video/fbdev/core/fbcon.c:2204)
 r8:00000000 r7:00000001 r6:842c6600 r5:83420800 r4:844a2c00
[<808eb988>] (fbcon_blank) from [<8095bea8>] (do_unblank_screen+0xac/0x17c drivers/tty/vt/vt.c:4405)
 r10:86f5dc00 r9:83420800 r8:0000003a r7:00000000 r6:00000001 r5:83420800
 r4:833aa120
[<8095bdfc>] (do_unblank_screen) from [<809535a8>] (vt_kdsetmode drivers/tty/vt/vt_ioctl.c:276 [inline])
[<8095bdfc>] (do_unblank_screen) from [<809535a8>] (vt_k_ioctl drivers/tty/vt/vt_ioctl.c:381 [inline])
[<8095bdfc>] (do_unblank_screen) from [<809535a8>] (vt_ioctl+0x197c/0x1be8 drivers/tty/vt/vt_ioctl.c:713)
 r7:83420800 r6:00004b3a r5:86f5dc00 r4:00000000
[<80951c2c>] (vt_ioctl) from [<8093f890>] (tty_ioctl+0x3c4/0xc1c drivers/tty/tty_io.c:2801)
 r10:86f5dc00 r9:00000000 r8:fffff73a r7:8547c500 r6:86f5dc00 r5:00004b3a
 r4:fffffdfd
[<8093f4cc>] (tty_ioctl) from [<804f33f4>] (vfs_ioctl fs/ioctl.c:48 [inline])
[<8093f4cc>] (tty_ioctl) from [<804f33f4>] (do_vfs_ioctl fs/ioctl.c:725 [inline])
[<8093f4cc>] (tty_ioctl) from [<804f33f4>] (__do_sys_ioctl fs/ioctl.c:751 [inline])
[<8093f4cc>] (tty_ioctl) from [<804f33f4>] (sys_ioctl+0x120/0xaa4 fs/ioctl.c:739)
 r10:8376f5e8 r9:00000005 r8:8547c500 r7:00000000 r6:8547c501 r5:00000000
 r4:00004b3a
[<804f32d4>] (sys_ioctl) from [<80200060>] (ret_fast_syscall+0x0/0x2c arch/arm/mm/proc-v7.S:64)
Exception stack(0x869ddfa8 to 0x869ddff0)
dfa0:                   00000000 00000000 00000005 00004b3a 00000000 00000000
dfc0: 00000000 00000000 00000000 00000036 7eb5c32a 76f956d0 7eb5c4ac 76f9520c
dfe0: 76f95048 76f95038 00018d58 0004b630
 r10:00000036 r9:869dc000 r8:80200224 r7:00000036 r6:00000000 r5:00000000
 r4:00000000
Code: e3700001 e79a3103 e0033004 e0233009 (e48e3004) 
---[ end trace 223196a5f2a3b3fc ]---