8<--- cut here ---
Unable to handle kernel paging request at virtual address e03c4000
pgd = 86b9cb00
[e03c4000] *pgd=80000080007003, *pmd=84504003, *pte=00000000
Internal error: Oops: a07 [#1] PREEMPT SMP ARM
Modules linked in:
CPU: 1 PID: 5163 Comm: syz-executor.0 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 : 8684bad8  ip : 84554460  fp : 8684bb2c
r10: 81b0a288  r9 : 00ffffff  r8 : e03c4000
r7 : 0000000f  r6 : 84554460  r5 : 00000001  r4 : 00000000
r3 : 00ffffff  r2 : 00000007  r1 : 00000001  r0 : 00000026
Flags: nzcv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none
Control: 30c5387d  Table: 86b9cb00  DAC: 00000000
Process syz-executor.0 (pid: 5163, stack limit = 0x8684a210)
Stack: (0x8684bad8 to 0x8684c000)
bac0:                                                       8684bb64 00000001
bae0: 00000001 00000010 00000005 8684bbb4 00000027 00000028 84554460 844eac00
bb00: 82b5a808 8684bbb4 844eac00 00000005 864d83ca 00000000 000000ff 83420800
bb20: 8684bb4c 8684bb30 809b5200 808f42a0 00000005 00000001 ffffffff 84554465
bb40: 8684bc1c 8684bb50 808edbf8 809b51c4 84552000 00000000 82b5a808 00000000
bb60: 83420a60 ffffffff ffffffff 844eae3c 00000000 00000000 00000000 00000200
bb80: 844eac00 00000005 864d83c0 00000005 808ed764 833a7b34 8447cc00 8447c218
bba0: 00000000 00000001 00000010 00000001 844eac00 00000000 00000300 00000028
bbc0: 00000010 00000007 00000000 844eac01 84554460 00000000 00000000 00000400
bbe0: 00000300 00000400 00000300 56b92eae 8684bc1c 83420800 864d83c0 00000005
bc00: 844eac00 808ed9d8 00000030 00000007 8684bc64 8684bc20 808e7f48 808ed9e4
bc20: 00000030 00000000 00000007 00000000 00000000 00000007 000001e0 864d83ca
bc40: 808e7e60 0000239b 83420800 00000060 864d83ca 00000005 8684bcac 8684bc68
bc60: 8095a3b8 808e7e6c 00000000 8684bc78 808e83c4 00000000 00000000 56b92eae
bc80: 00000001 83420800 00000000 00000001 00000001 00000000 8447cc00 00000000
bca0: 8684bce4 8684bcb0 8095bdc8 8095a2b4 00000000 00000000 00000000 56b92eae
bcc0: 00000000 844eac00 83420800 8447cc00 00000001 00000000 8684bdc4 8684bce8
bce0: 808ebb40 8095bbc0 8684bd04 8684bcf8 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 86c50c00 8684bde4 8684bdc8
bdc0: 8095bea8 808eb994 00000000 86c50c00 00004b3a 83420800 8684be64 8684bde8
bde0: 809535a8 8095be08 8181dacc 8181d97c 8684be2c 8684be00 8181c9a4 8181dabc
be00: 00000000 00000000 81f94a4c 00000103 82bfd371 857f6500 00000003 00000036
be20: 8684be54 8684be30 8027ea14 8181c88c 00000000 56b92eae 81f94a4c fffffdfd
be40: 00004b3a 86c50c00 857f6500 fffff73a 00000000 86c50c00 8684bf0c 8684be68
be60: 8093f890 80951c38 00000000 56b92eae 83789ea8 0000003a 837735e8 0000004b
be80: 00000001 857f6500 00000003 00000036 8684beec 8684bea0 80701b40 806f7810
bea0: 00000001 0000004b 0000003a 8684bebc 867650d0 841cb000 00004b3a 857f650b
bec0: 8684beb0 857f6500 00000003 56b92eae 821280c8 00000000 857f6500 56b92eae
bee0: 8684bf0c 00004b3a 00000000 857f6501 00000000 857f6500 00000003 837735e8
bf00: 8684bfa4 8684bf10 804f33f4 8093f4d8 8020d140 8020e34c 00000000 80200e90
bf20: 828a2438 80200e90 86c6e180 80200060 8684bf4c 8684bf40 8181dacc 8181d97c
bf40: 8684bf74 8684bf50 8181cb8c 8181dabc 8684bf98 80384d84 828abd1c 80200e90
bf60: 60000093 30c5387d 8684bf94 8684bf78 828abd1c 56b92eae 00000000 00000000
bf80: 00000000 00000000 00000036 80200224 8684a000 00000036 00000000 8684bfa8
bfa0: 80200060 804f32e0 00000000 00000000 00000003 00004b3a 00000000 00000000
bfc0: 00000000 00000000 00000000 00000036 7ed7e332 76f8b6d0 7ed7e4ac 76f8b20c
bfe0: 76f8b048 76f8b038 00018d78 0004b600 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 r7:864d83ca r6:00000005 r5:844eac00
 r4:8684bbb4
[<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)
 r5:84554465 r4:ffffffff
[<808ed9d8>] (bit_putcs) from [<808e7f48>] (fbcon_putcs+0xe8/0xf0 drivers/video/fbdev/core/fbcon.c:1296)
 r10:00000007 r9:00000030 r8:808ed9d8 r7:844eac00 r6:00000005 r5:864d83c0
 r4:83420800
[<808e7e60>] (fbcon_putcs) from [<8095a3b8>] (do_update_region+0x110/0x1ac drivers/tty/vt/vt.c:676)
 r10:00000005 r9:864d83ca r8:00000060 r7:83420800 r6:0000239b r5:808e7e60
 r4:864d83ca
[<8095a2a8>] (do_update_region) from [<8095bdc8>] (redraw_screen+0x214/0x248 drivers/tty/vt/vt.c:1035)
 r10:00000000 r9:8447cc00 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 r6:8447cc00 r5:83420800 r4:844eac00
[<808eb988>] (fbcon_blank) from [<8095bea8>] (do_unblank_screen+0xac/0x17c drivers/tty/vt/vt.c:4405)
 r10:86c50c00 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 r5:86c50c00 r4:00000000
[<80951c2c>] (vt_ioctl) from [<8093f890>] (tty_ioctl+0x3c4/0xc1c drivers/tty/tty_io.c:2801)
 r10:86c50c00 r9:00000000 r8:fffff73a r7:857f6500 r6:86c50c00 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)
 r10:837735e8 r9:00000003 r8:857f6500 r7:00000000 r6:857f6501 r5:00000000
 r4:00004b3a
[<804f32d4>] (sys_ioctl) from [<80200060>] (ret_fast_syscall+0x0/0x2c arch/arm/mm/proc-v7.S:64)
Exception stack(0x8684bfa8 to 0x8684bff0)
bfa0:                   00000000 00000000 00000003 00004b3a 00000000 00000000
bfc0: 00000000 00000000 00000000 00000036 7ed7e332 76f8b6d0 7ed7e4ac 76f8b20c
bfe0: 76f8b048 76f8b038 00018d78 0004b600
 r10:00000036 r9:8684a000 r8:80200224 r7:00000036 r6:00000000 r5:00000000
 r4:00000000
Code: e3700001 e79a3103 e0033004 e0233009 (e48e3004) 
---[ end trace e5ac2832a41a0204 ]---