8<--- cut here ---
Unable to handle kernel paging request at virtual address e03c4000
pgd = 86752040
[e03c4000] *pgd=80000080007003, *pmd=84442003, *pte=00000000
Internal error: Oops: a07 [#1] PREEMPT SMP ARM
Modules linked in:
CPU: 0 PID: 10916 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: 00000013
sp : 86abbad8  ip : 844c8800  fp : 86abbb2c
r10: 81b0a288  r9 : 00040000  r8 : e03c4000
r7 : 0000000f  r6 : 844c8800  r5 : 00000001  r4 : 00040000
r3 : 00040000  r2 : 00000007  r1 : 00000001  r0 : 000001fe
Flags: nzcv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment user
Control: 30c5387d  Table: 86752040  DAC: fffffffd
Process syz-executor.0 (pid: 10916, stack limit = 0x86aba210)
Stack: (0x86abbad8 to 0x86abc000)
bac0:                                                       86abbb64 00000001
bae0: 00000001 00000010 00000040 86abbbb4 000001ff 00000200 844c8800 844b2000
bb00: 82b5a808 86abbbb4 844b2000 00000040 86e6f080 00000000 000000ff 83420800
bb20: 86abbb4c 86abbb30 809b5200 808f42a0 00000040 00000001 ffffffff 844c8840
bb40: 86abbc1c 86abbb50 808edbf8 809b51c4 8408e000 00000000 82b5a808 00000000
bb60: 83420a60 ffffffff ffffffff 844b223c 00000000 00000000 00000000 00000200
bb80: 844b2000 00000040 86e6f000 00000040 808ed764 833a7b34 844bea00 844be018
bba0: 00000000 00000001 00000010 00000001 844b2000 00000000 00000300 00000200
bbc0: 00000010 00000007 00000000 844b2001 844c8800 00000000 00000000 00000400
bbe0: 00000300 00000400 00000300 56b92eae 86abbc1c 83420800 86e6f000 00000040
bc00: 844b2000 808ed9d8 00000030 00000007 86abbc64 86abbc20 808e7f48 808ed9e4
bc20: 00000030 00000000 00000007 00000000 00000000 00000007 00001800 86e6f080
bc40: 808e7e60 00000780 83420800 00000060 86e6f080 00000040 86abbcac 86abbc68
bc60: 8095a3b8 808e7e6c 00000000 86abbc78 808e83c4 00000000 00000000 56b92eae
bc80: 00000001 83420800 00000000 00000001 00000001 00000000 844bea00 00000000
bca0: 86abbce4 86abbcb0 8095bdc8 8095a2b4 00000000 00000000 00000000 56b92eae
bcc0: 00000000 844b2000 83420800 844bea00 00000001 00000000 86abbdc4 86abbce8
bce0: 808ebb40 8095bbc0 86abbd04 86abbcf8 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 865fdc00 86abbde4 86abbdc8
bdc0: 8095bea8 808eb994 00000000 865fdc00 00004b3a 83420800 86abbe64 86abbde8
bde0: 809535a8 8095be08 8181dacc 8181d97c 86abbe2c 86abbe00 8181c9a4 8181dabc
be00: 00000000 00000000 81f94a4c 00000103 82bfd371 859163c0 00000003 00000036
be20: 86abbe54 86abbe30 8027ea14 8181c88c 00000000 56b92eae 81f94a4c fffffdfd
be40: 00004b3a 865fdc00 859163c0 fffff73a 00000000 865fdc00 86abbf0c 86abbe68
be60: 8093f890 80951c38 00000000 56b92eae 836c1b48 0000003a 837775e8 0000004b
be80: 00000001 859163c0 00000003 00000036 86abbeec 86abbea0 80701b40 806f7810
bea0: 00000001 0000004b 0000003a 86abbebc 85af9910 83847f00 00004b3a 8591630b
bec0: 86abbeb0 859163c0 00000003 56b92eae 821280c8 00000000 859163c0 56b92eae
bee0: 86abbf0c 00004b3a 00000000 859163c1 00000000 859163c0 00000003 837775e8
bf00: 86abbfa4 86abbf10 804f33f4 8093f4d8 8020d140 8020e34c 00000000 80200e90
bf20: 828a2438 80200e90 86cd30c0 80200060 86abbf4c 86abbf40 8181dacc 8181d97c
bf40: 86abbf74 86abbf50 8181cb8c 8181dabc 86abbf98 80384d84 828abd1c 80200e90
bf60: 60000093 30c5387d 86abbf94 86abbf78 828abd1c 56b92eae 00000000 00000000
bf80: 00000000 00000000 00000036 80200224 86aba000 00000036 00000000 86abbfa8
bfa0: 80200060 804f32e0 00000000 00000000 00000003 00004b3a 00000000 00000000
bfc0: 00000000 00000000 00000000 00000036 7eb5f332 76f176d0 7eb5f4ac 76f1720c
bfe0: 76f17048 76f17038 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 r7:86e6f080 r6:00000040 r5:844b2000
 r4:86abbbb4
[<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)
 r5:844c8840 r4:ffffffff
[<808ed9d8>] (bit_putcs) from [<808e7f48>] (fbcon_putcs+0xe8/0xf0 drivers/video/fbdev/core/fbcon.c:1296)
 r10:00000007 r9:00000030 r8:808ed9d8 r7:844b2000 r6:00000040 r5:86e6f000
 r4:83420800
[<808e7e60>] (fbcon_putcs) from [<8095a3b8>] (do_update_region+0x110/0x1ac drivers/tty/vt/vt.c:676)
 r10:00000040 r9:86e6f080 r8:00000060 r7:83420800 r6:00000780 r5:808e7e60
 r4:86e6f080
[<8095a2a8>] (do_update_region) from [<8095bdc8>] (redraw_screen+0x214/0x248 drivers/tty/vt/vt.c:1035)
 r10:00000000 r9:844bea00 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 r6:844bea00 r5:83420800 r4:844b2000
[<808eb988>] (fbcon_blank) from [<8095bea8>] (do_unblank_screen+0xac/0x17c drivers/tty/vt/vt.c:4405)
 r10:865fdc00 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 r5:865fdc00 r4:00000000
[<80951c2c>] (vt_ioctl) from [<8093f890>] (tty_ioctl+0x3c4/0xc1c drivers/tty/tty_io.c:2801)
 r10:865fdc00 r9:00000000 r8:fffff73a r7:859163c0 r6:865fdc00 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)
 r10:837775e8 r9:00000003 r8:859163c0 r7:00000000 r6:859163c1 r5:00000000
 r4:00004b3a
[<804f32d4>] (sys_ioctl) from [<80200060>] (ret_fast_syscall+0x0/0x2c arch/arm/mm/proc-v7.S:64)
Exception stack(0x86abbfa8 to 0x86abbff0)
bfa0:                   00000000 00000000 00000003 00004b3a 00000000 00000000
bfc0: 00000000 00000000 00000000 00000036 7eb5f332 76f176d0 7eb5f4ac 76f1720c
bfe0: 76f17048 76f17038 00018d78 0004b600
 r10:00000036 r9:86aba000 r8:80200224 r7:00000036 r6:00000000 r5:00000000
 r4:00000000
Code: e3700001 e79a3103 e0033004 e0233009 (e48e3004) 
---[ end trace 74efbf75fc9ea295 ]---