audit: type=1400 audit(1575331730.163:36): avc:  denied  { map } for  pid=7132 comm="syz-executor493" path="/root/syz-executor493755317" dev="sda1" ino=16484 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1
divide error: 0000 [#1] PREEMPT SMP KASAN
Modules linked in:
CPU: 1 PID: 23 Comm: kworker/1:1 Not tainted 4.14.157-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: events console_callback
task: ffff8880a9ec6600 task.stack: ffff8880a9ed0000
RIP: 0010:fbcon_update_softback drivers/video/fbdev/core/fbcon.c:354 [inline]
RIP: 0010:fbcon_switch+0x1e3/0x1820 drivers/video/fbdev/core/fbcon.c:2192
RSP: 0018:ffff8880a9ed7a38 EFLAGS: 00010246
RAX: 0000000000008000 RBX: 0000000000000000 RCX: 1ffffffff0e0fe85
RDX: 0000000000000000 RSI: ffffffff8a4650a0 RDI: ffff88809bc76ffc
RBP: ffff8880a9ed7ba8 R08: ffff8880a9ec6600 R09: ffff8880a9ec6ef0
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: ffff88809bc76cc0 R14: ffff8880a5f28e00 R15: ffff8880a5ff0040
FS:  0000000000000000(0000) GS:ffff8880aed00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f160139a000 CR3: 0000000092f02000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 redraw_screen+0x335/0x7c0 drivers/tty/vt/vt.c:688
 complete_change_console+0xfe/0x360 drivers/tty/vt/vt_ioctl.c:1291
 change_console+0x161/0x270 drivers/tty/vt/vt_ioctl.c:1416
 console_callback+0x337/0x390 drivers/tty/vt/vt.c:2460
 process_one_work+0x863/0x1600 kernel/workqueue.c:2114
 worker_thread+0x5d9/0x1050 kernel/workqueue.c:2248
 kthread+0x319/0x430 kernel/kthread.c:232
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:404
Code: c0 03 4c 89 3d df 68 1f 07 4c 89 3d 58 68 1f 07 38 d0 7c 08 84 d2 0f 85 51 14 00 00 45 8b a5 3c 03 00 00 31 d2 8b 05 dd 14 0f 05 <41> f7 f4 83 f8 05 89 85 c0 fe ff ff 0f 8e 51 0c 00 00 e8 26 42 
RIP: fbcon_update_softback drivers/video/fbdev/core/fbcon.c:354 [inline] RSP: ffff8880a9ed7a38
RIP: fbcon_switch+0x1e3/0x1820 drivers/video/fbdev/core/fbcon.c:2192 RSP: ffff8880a9ed7a38
---[ end trace 8bb085bebb278621 ]---