random: sshd: uninitialized urandom read (32 bytes read)
random: sshd: uninitialized urandom read (32 bytes read)
random: sshd: uninitialized urandom read (32 bytes read)
audit: type=1400 audit(1578811417.535:36): avc:  denied  { map } for  pid=7241 comm="syz-executor558" path="/root/syz-executor558786346" dev="sda1" ino=16483 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1
==================================================================
BUG: KASAN: global-out-of-bounds in __fb_pad_aligned_buffer include/linux/fb.h:663 [inline]
BUG: KASAN: global-out-of-bounds in bit_putcs_aligned drivers/video/fbdev/core/bitblit.c:96 [inline]
BUG: KASAN: global-out-of-bounds in bit_putcs+0xc09/0xdb0 drivers/video/fbdev/core/bitblit.c:185
Read of size 1 at addr ffffffff8706bc7e by task syz-executor558/7243

CPU: 1 PID: 7243 Comm: syz-executor558 Not tainted 4.14.163-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x142/0x197 lib/dump_stack.c:58
 print_address_description.cold+0x5/0x1dc mm/kasan/report.c:252
 kasan_report_error mm/kasan/report.c:351 [inline]
 kasan_report mm/kasan/report.c:409 [inline]
 kasan_report.cold+0xa9/0x2af mm/kasan/report.c:393
 __asan_report_load1_noabort+0x14/0x20 mm/kasan/report.c:427
 __fb_pad_aligned_buffer include/linux/fb.h:663 [inline]
 bit_putcs_aligned drivers/video/fbdev/core/bitblit.c:96 [inline]
 bit_putcs+0xc09/0xdb0 drivers/video/fbdev/core/bitblit.c:185
 fbcon_putcs+0x3c2/0x480 drivers/video/fbdev/core/fbcon.c:1298
 do_update_region+0x3b3/0x650 drivers/tty/vt/vt.c:373
 redraw_screen+0x589/0x7c0 drivers/tty/vt/vt.c:704
 fbcon_do_set_font+0x6d1/0x9a0 drivers/video/fbdev/core/fbcon.c:2561
 fbcon_copy_font+0x12c/0x190 drivers/video/fbdev/core/fbcon.c:2576
 con_font_copy drivers/tty/vt/vt.c:4218 [inline]
 con_font_op+0x5c6/0x1060 drivers/tty/vt/vt.c:4233
 vt_ioctl+0x179f/0x2170 drivers/tty/vt/vt_ioctl.c:979
 tty_ioctl+0x841/0x1320 drivers/tty/tty_io.c:2661
 vfs_ioctl fs/ioctl.c:46 [inline]
 file_ioctl fs/ioctl.c:500 [inline]
 do_vfs_ioctl+0x7ae/0x1060 fs/ioctl.c:684
 SYSC_ioctl fs/ioctl.c:701 [inline]
 SyS_ioctl+0x8f/0xc0 fs/ioctl.c:692
 do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x445919
RSP: 002b:00007fe35f075db8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00000000006dac58 RCX: 0000000000445919
RDX: 0000000020000540 RSI: 0000000000004b72 RDI: 0000000000000008
RBP: 00000000006dac50 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dac5c
R13: 00007fff97ab867f R14: 00007fe35f0769c0 R15: 20c49ba5e353f7cf

The buggy address belongs to the variable:
 fontdata_8x16+0x10de/0x1120

Memory state around the buggy address:
 ffffffff8706bb00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 ffffffff8706bb80: 00 00 00 00 fa fa fa fa 06 fa fa fa fa fa fa fa
>ffffffff8706bc00: 05 fa fa fa fa fa fa fa 06 fa fa fa fa fa fa fa
                                                                ^
 ffffffff8706bc80: 00 00 03 fa fa fa fa fa 00 00 00 00 00 00 00 00
 ffffffff8706bd00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
==================================================================