ieee80211 phy11: Selected rate control algorithm 'minstrel_ht'
IPv6: ADDRCONF(NETDEV_UP): wlan1: link is not ready
wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
BUG: unable to handle kernel paging request at ffff880001000050
PGD bf30067 P4D bf30067 PUD bf31067 PMD 80000000010001e1 
Oops: 0003 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 9970 Comm: syz-executor.5 Not tainted 4.18.0-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:writeb arch/x86/include/asm/io.h:65 [inline]
RIP: 0010:vga16fb_fillrect+0x87e/0x19b0 drivers/video/fbdev/vga16fb.c:923
Code: 8b 45 d0 8d 70 ff 85 c0 0f 84 30 fd ff ff 4c 63 7d c8 41 8d 7c 24 ff 31 d2 48 83 c7 01 49 8d 04 3e 45 85 e4 0f 84 0b 07 00 00 <41> 88 16 49 83 c6 01 49 39 c6 75 f4 4e 8d 34 38 83 ee 01 83 fe ff 
RSP: 0018:ffff8800a1cf71d8 EFLAGS: 00010206
RAX: ffff88000100006b RBX: 0000000000000000 RCX: 00000000000000a5
RDX: 0000000000000000 RSI: 000000000ffeb7ff RDI: 000000000000001b
RBP: ffff8800a1cf7250 R08: ffff8800a1cf72a4 R09: 0000000000000050
R10: 1ffff10016c04177 R11: ffff880237c6543f R12: 000000000000001b
R13: 1ffffffff12612b6 R14: ffff880001000050 R15: 00000000000000a5
FS:  00007f944d25d700(0000) GS:ffff8800ba600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffff880001000050 CR3: 00000000a10bc000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 bit_clear_margins+0x2ae/0x610 drivers/video/fbdev/core/bitblit.c:224
 fbcon_clear_margins+0x1a8/0x320 drivers/video/fbdev/core/fbcon.c:1325
 fbcon_switch+0xc21/0x1860 drivers/video/fbdev/core/fbcon.c:2307
 redraw_screen+0x314/0x800 drivers/tty/vt/vt.c:690
 fbcon_modechanged+0x566/0x880 drivers/video/fbdev/core/fbcon.c:2955
 fbcon_event_notify+0xcc/0x1980 drivers/video/fbdev/core/fbcon.c:3308
 notifier_call_chain+0x8a/0x160 kernel/notifier.c:93
 __blocking_notifier_call_chain kernel/notifier.c:317 [inline]
 __blocking_notifier_call_chain kernel/notifier.c:304 [inline]
 blocking_notifier_call_chain kernel/notifier.c:328 [inline]
 blocking_notifier_call_chain+0x6b/0xa0 kernel/notifier.c:325
 fb_notifier_call_chain+0x16/0x20 drivers/video/fbdev/core/fb_notify.c:45
 fb_set_var+0xadd/0xf60 drivers/video/fbdev/core/fbmem.c:1035
 do_fb_ioctl+0x44c/0x940 drivers/video/fbdev/core/fbmem.c:1108
 fb_ioctl+0xc8/0x140 drivers/video/fbdev/core/fbmem.c:1223
 vfs_ioctl fs/ioctl.c:46 [inline]
 file_ioctl fs/ioctl.c:500 [inline]
 do_vfs_ioctl+0x196/0x1050 fs/ioctl.c:684
 ksys_ioctl+0x62/0x90 fs/ioctl.c:701
 __do_sys_ioctl fs/ioctl.c:708 [inline]
 __se_sys_ioctl fs/ioctl.c:706 [inline]
 __x64_sys_ioctl+0x6e/0xb0 fs/ioctl.c:706
 do_syscall_64+0xda/0x540 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x4665d9
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:00007f944d25d188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 000000000056bf80 RCX: 00000000004665d9
RDX: 0000000020000200 RSI: 0000000000004601 RDI: 0000000000000003
RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf80
R13: 00007ffd83be303f R14: 00007f944d25d300 R15: 0000000000022000
Modules linked in:
CR2: ffff880001000050
---[ end trace d7a52d77f73727cf ]---
RIP: 0010:writeb arch/x86/include/asm/io.h:65 [inline]
RIP: 0010:vga16fb_fillrect+0x87e/0x19b0 drivers/video/fbdev/vga16fb.c:923
Code: 8b 45 d0 8d 70 ff 85 c0 0f 84 30 fd ff ff 4c 63 7d c8 41 8d 7c 24 ff 31 d2 48 83 c7 01 49 8d 04 3e 45 85 e4 0f 84 0b 07 00 00 <41> 88 16 49 83 c6 01 49 39 c6 75 f4 4e 8d 34 38 83 ee 01 83 fe ff 
RSP: 0018:ffff8800a1cf71d8 EFLAGS: 00010206
RAX: ffff88000100006b RBX: 0000000000000000 RCX: 00000000000000a5
RDX: 0000000000000000 RSI: 000000000ffeb7ff RDI: 000000000000001b
RBP: ffff8800a1cf7250 R08: ffff8800a1cf72a4 R09: 0000000000000050
R10: 1ffff10016c04177 R11: ffff880237c6543f R12: 000000000000001b
R13: 1ffffffff12612b6 R14: ffff880001000050 R15: 00000000000000a5
FS:  00007f944d25d700(0000) GS:ffff8800ba600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffff880001000050 CR3: 00000000a10bc000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400