8<--- cut here ---
Unable to handle kernel paging request at virtual address e03c4000
pgd = 86cc2200
[e03c4000] *pgd=80000080007003, *pmd=844a0003, *pte=00000000
Internal error: Oops: a07 [#1] PREEMPT SMP ARM
Modules linked in:
CPU: 0 PID: 6502 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: 00000113
sp : 8350bad8  ip : 83496a20  fp : 8350bb2c
r10: 81b0a288  r9 : 00000000  r8 : e03c4000
r7 : 0000000f  r6 : 83496a20  r5 : 00000001  r4 : 00aaaaaa
r3 : 00000000  r2 : 00000007  r1 : 00000001  r0 : 00000046
Flags: nzcv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment user
Control: 30c5387d  Table: 86cc2200  DAC: fffffffd
Process syz-executor.1 (pid: 6502, stack limit = 0x8350a210)
Stack: (0x8350bad8 to 0x8350c000)
bac0:                                                       8350bb64 00000001
bae0: 00000001 00000010 00000009 8350bbb4 00000047 00000048 83496a20 844e6c00
bb00: 82b5a808 8350bbb4 844e6c00 00000009 86e606d2 00000000 000000ff 83420800
bb20: 8350bb4c 8350bb30 809b5200 808f42a0 00000009 00000001 ffffffff 83496a29
bb40: 8350bc1c 8350bb50 808edbf8 809b51c4 83494000 00000000 82b5a808 00000000
bb60: 83420a60 ffffffff ffffffff 844e6e3c 00000000 00000000 00000000 00000200
bb80: 844e6c00 00000009 86e606c0 00000009 808ed764 833a7b34 844f6400 842bc018
bba0: 00000000 00000001 00000010 00000001 844e6c00 00000000 00000300 00000048
bbc0: 00000010 00000007 00000000 844e6c01 83496a20 00000000 00000000 00000400
bbe0: 00000300 00000400 00000300 56b92eae 8350bc1c 83420800 86e606c0 00000009
bc00: 844e6c00 808ed9d8 00000030 00000007 8350bc64 8350bc20 808e7f48 808ed9e4
bc20: 00000030 00000000 00000007 00000000 00000000 00000007 00000360 86e606d2
bc40: 808e7e60 00008c97 83420800 00000060 86e606d2 00000009 8350bcac 8350bc68
bc60: 8095a3b8 808e7e6c 00000000 8350bc78 808e83c4 00000000 00000000 56b92eae
bc80: 00000001 83420800 00000000 00000001 00000001 00000000 844f6400 00000000
bca0: 8350bce4 8350bcb0 8095bdc8 8095a2b4 00000000 00000000 00000000 56b92eae
bcc0: 00000000 844e6c00 83420800 844f6400 00000001 00000000 8350bdc4 8350bce8
bce0: 808ebb40 8095bbc0 8350bd04 8350bcf8 8181dacc 00000400 00000300 00000400
bd00: 00000300 00000000 00000000 00000020 00000000 00000010 00000008 00000000
bd20: 00000008 00000008 00000000 00000000 00000008 00000000 00000000 00000000
bd40: 00000000 00000000 00000280 00000000 00000000 00000001 00000000 00000000
bd60: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
bd80: 00000000 00000000 00000000 00000000 00000000 56b92eae 00000001 833aa120
bda0: 83420800 00000001 00000000 0000003a 83420800 86b01800 8350bde4 8350bdc8
bdc0: 8095bea8 808eb994 00000000 86b01800 00004b3a 83420800 8350be64 8350bde8
bde0: 809535a8 8095be08 8181dacc 8181d97c 8350be2c 8350be00 8181c9a4 8181dabc
be00: 00000000 00000000 81f94a4c 00000103 82bfd371 858d8640 00000003 00000036
be20: 8350be54 8350be30 8027ea14 8181c88c 00000000 56b92eae 81f94a4c fffffdfd
be40: 00004b3a 86b01800 858d8640 fffff73a 00000000 86b01800 8350bf0c 8350be68
be60: 8093f890 80951c38 00000000 56b92eae 83557b90 0000003a 8378b5e8 0000004b
be80: 00000001 858d8640 00000003 00000036 8350beec 8350bea0 80701b40 806f7810
bea0: 00000001 0000004b 0000003a 8350bebc 8578fa90 838463c0 00004b3a 858d860b
bec0: 8350beb0 858d8640 00000003 56b92eae 821280c8 00000000 858d8640 56b92eae
bee0: 8350bf0c 00004b3a 00000000 858d8641 00000000 858d8640 00000003 8378b5e8
bf00: 8350bfa4 8350bf10 804f33f4 8093f4d8 8020d140 8020e34c 00000000 80200e90
bf20: 828a2438 80200e90 86a45140 80200060 8350bf4c 8350bf40 8181dacc 8181d97c
bf40: 8350bf74 8350bf50 8181cb8c 8181dabc 8350bf98 80384d84 828abd1c 80200e90
bf60: 60000093 30c5387d 8350bf94 8350bf78 828abd1c 56b92eae 00000000 00000000
bf80: 00000000 00000000 00000036 80200224 8350a000 00000036 00000000 8350bfa8
bfa0: 80200060 804f32e0 00000000 00000000 00000003 00004b3a 00000000 00000000
bfc0: 00000000 00000000 00000000 00000036 7e95333a 76f386d0 7e9534ac 76f3820c
bfe0: 76f38048 76f38038 00018d58 0004b620 60000010 00000003 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 r7:86e606d2 r6:00000009 r5:844e6c00
 r4:8350bbb4
[<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)
 r5:83496a29 r4:ffffffff
[<808ed9d8>] (bit_putcs) from [<808e7f48>] (fbcon_putcs+0xe8/0xf0 drivers/video/fbdev/core/fbcon.c:1296)
 r10:00000007 r9:00000030 r8:808ed9d8 r7:844e6c00 r6:00000009 r5:86e606c0
 r4:83420800
[<808e7e60>] (fbcon_putcs) from [<8095a3b8>] (do_update_region+0x110/0x1ac drivers/tty/vt/vt.c:676)
 r10:00000009 r9:86e606d2 r8:00000060 r7:83420800 r6:00008c97 r5:808e7e60
 r4:86e606d2
[<8095a2a8>] (do_update_region) from [<8095bdc8>] (redraw_screen+0x214/0x248 drivers/tty/vt/vt.c:1035)
 r10:00000000 r9:844f6400 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 r6:844f6400 r5:83420800 r4:844e6c00
[<808eb988>] (fbcon_blank) from [<8095bea8>] (do_unblank_screen+0xac/0x17c drivers/tty/vt/vt.c:4405)
 r10:86b01800 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 r5:86b01800 r4:00000000
[<80951c2c>] (vt_ioctl) from [<8093f890>] (tty_ioctl+0x3c4/0xc1c drivers/tty/tty_io.c:2801)
 r10:86b01800 r9:00000000 r8:fffff73a r7:858d8640 r6:86b01800 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)
 r10:8378b5e8 r9:00000003 r8:858d8640 r7:00000000 r6:858d8641 r5:00000000
 r4:00004b3a
[<804f32d4>] (sys_ioctl) from [<80200060>] (ret_fast_syscall+0x0/0x2c arch/arm/mm/proc-v7.S:64)
Exception stack(0x8350bfa8 to 0x8350bff0)
bfa0:                   00000000 00000000 00000003 00004b3a 00000000 00000000
bfc0: 00000000 00000000 00000000 00000036 7e95333a 76f386d0 7e9534ac 76f3820c
bfe0: 76f38048 76f38038 00018d58 0004b620
 r10:00000036 r9:8350a000 r8:80200224 r7:00000036 r6:00000000 r5:00000000
 r4:00000000
Code: e3700001 e79a3103 e0033004 e0233009 (e48e3004) 
---[ end trace edc3c86ce1772a9e ]---