ptrace attach of "/root/syz-executor.2"[13821] was attempted by "/root/syz-executor.2"[13824]
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BUG: KASAN: global-out-of-bounds in memcpy include/linux/string.h:377 [inline]
BUG: KASAN: global-out-of-bounds in soft_cursor+0x44b/0xa30 drivers/video/fbdev/core/softcursor.c:70
Read of size 32 at addr ffffffff88b66d30 by task syz-executor.1/13823

CPU: 0 PID: 13823 Comm: syz-executor.1 Not tainted 4.19.188-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1fc/0x2ef lib/dump_stack.c:118
 print_address_description.cold+0x5/0x219 mm/kasan/report.c:256
 kasan_report_error.cold+0x8a/0x1b9 mm/kasan/report.c:354
 kasan_report+0x8f/0xa0 mm/kasan/report.c:412
 memcpy+0x20/0x50 mm/kasan/kasan.c:302
 memcpy include/linux/string.h:377 [inline]
 soft_cursor+0x44b/0xa30 drivers/video/fbdev/core/softcursor.c:70
 bit_cursor+0x1126/0x1740 drivers/video/fbdev/core/bitblit.c:377
 fbcon_cursor+0x531/0x710 drivers/video/fbdev/core/fbcon.c:1312
 hide_cursor+0x85/0x2c0 drivers/tty/vt/vt.c:902
 redraw_screen+0x2ed/0x870 drivers/tty/vt/vt.c:1006
 vc_do_resize+0x111f/0x1410 drivers/tty/vt/vt.c:1324
 vt_ioctl+0x1e0e/0x2380 drivers/tty/vt/vt_ioctl.c:905
 tty_ioctl+0x5b0/0x15c0 drivers/tty/tty_io.c:2669
 vfs_ioctl fs/ioctl.c:46 [inline]
 file_ioctl fs/ioctl.c:501 [inline]
 do_vfs_ioctl+0xcdb/0x12e0 fs/ioctl.c:688
 ksys_ioctl+0x9b/0xc0 fs/ioctl.c:705
 __do_sys_ioctl fs/ioctl.c:712 [inline]
 __se_sys_ioctl fs/ioctl.c:710 [inline]
 __x64_sys_ioctl+0x6f/0xb0 fs/ioctl.c:710
 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x4665f9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f64f7d64188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 000000000056bf60 RCX: 00000000004665f9
RDX: 0000000020000040 RSI: 000000000000560a RDI: 0000000000000003
RBP: 00000000004bfce1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf60
R13: 00007fff6093e4cf R14: 00007f64f7d64300 R15: 0000000000022000

The buggy address belongs to the variable:
 fontdata_8x16+0x1070/0x1140

Memory state around the buggy address:
 ffffffff88b66c00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 ffffffff88b66c80: 00 00 00 00 00 00 00 00 00 00 fa fa fa fa fa fa
>ffffffff88b66d00: 06 fa fa fa fa fa fa fa 05 fa fa fa fa fa fa fa
                                     ^
 ffffffff88b66d80: 06 fa fa fa fa fa fa fa 00 00 03 fa fa fa fa fa
 ffffffff88b66e00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
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