audit: type=1400 audit(1595480216.708:8): avc:  denied  { execmem } for  pid=6345 comm="syz-executor795" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1
divide error: 0000 [#1] PREEMPT SMP KASAN
Modules linked in:
CPU: 0 PID: 25 Comm: kworker/0:1 Not tainted 4.14.189-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: events console_callback
task: ffff8880a9a3c680 task.stack: ffff8880a9a30000
RIP: 0010:fbcon_update_softback drivers/video/fbdev/core/fbcon.c:354 [inline]
RIP: 0010:fbcon_switch+0x1cd/0x1b1f drivers/video/fbdev/core/fbcon.c:2195
RSP: 0018:ffff8880a9a37a48 EFLAGS: 00010246
RAX: 0000000000008000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffff8880a9a3cf58 RDI: ffff88809758d43c
RBP: ffff8882192b0040 R08: ffffffff8a100a1c R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff88809758d100
R13: ffff8880a5b19500 R14: 0000000000000001 R15: ffff88809758d578
FS:  0000000000000000(0000) GS:ffff8880aea00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fa0387706c0 CR3: 00000000a848e000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 redraw_screen+0x32c/0x790 drivers/tty/vt/vt.c:689
 complete_change_console+0xf9/0x5b0 drivers/tty/vt/vt_ioctl.c:1284
 change_console+0x15c/0x500 drivers/tty/vt/vt_ioctl.c:1409
 console_callback+0x32c/0x380 drivers/tty/vt/vt.c:2473
 process_one_work+0x793/0x14a0 kernel/workqueue.c:2116
 worker_thread+0x5cc/0xff0 kernel/workqueue.c:2250
 kthread+0x30d/0x420 kernel/kthread.c:232
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:404
Code: 4a 0b d6 07 83 c2 03 48 89 2d 80 0b d6 07 48 89 2d f9 0a d6 07 38 ca 7c 08 84 c9 0f 85 80 17 00 00 41 8b 9c 24 3c 03 00 00 31 d2 <f7> f3 83 f8 05 89 44 24 10 0f 8e 1c 0c 00 00 e8 3f 48 39 fe 8b 
RIP: fbcon_update_softback drivers/video/fbdev/core/fbcon.c:354 [inline] RSP: ffff8880a9a37a48
RIP: fbcon_switch+0x1cd/0x1b1f drivers/video/fbdev/core/fbcon.c:2195 RSP: ffff8880a9a37a48
---[ end trace 72b3c86f77fc6192 ]---