audit: type=1804 audit(1586997935.396:70): pid=16064 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op="invalid_pcr" cause="open_writers" comm="syz-executor.2" name="/root/syzkaller-testdir072532772/syzkaller.19rDP5/215/bus" dev="sda1" ino=16273 res=1
BUG: unable to handle kernel paging request at ffff8880ffee7930
IP: writeb arch/x86/include/asm/io.h:65 [inline]
IP: vga_imageblit_expand drivers/video/fbdev/vga16fb.c:1169 [inline]
IP: vga16fb_imageblit+0x9ca/0x2160 drivers/video/fbdev/vga16fb.c:1261
PGD b06b067 P4D b06b067 PUD 0 
Oops: 0002 [#1] PREEMPT SMP KASAN
Modules linked in:
CPU: 0 PID: 16065 Comm: syz-executor.1 Not tainted 4.14.176-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
task: ffff8880a9398380 task.stack: ffff8880435a8000
RIP: 0010:writeb arch/x86/include/asm/io.h:65 [inline]
RIP: 0010:vga_imageblit_expand drivers/video/fbdev/vga16fb.c:1169 [inline]
RIP: 0010:vga16fb_imageblit+0x9ca/0x2160 drivers/video/fbdev/vga16fb.c:1261
RSP: 0018:ffff8880435af6b0 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffc9000b481000
RDX: 0000000000000000 RSI: ffffffff831ed399 RDI: ffff8880ffee7930
RBP: ffff88809175dc84 R08: ffff8880a5bc2024 R09: ffffed10122ebb9b
R10: ffffed10122ebb9a R11: 0000000000000004 R12: ffff88809175dca0
R13: ffff8880a5b12d00 R14: ffff88809175dc80 R15: 0000000000000000
FS:  00007efe84e33700(0000) GS:ffff8880aea00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffff8880ffee7930 CR3: 0000000092771000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 soft_cursor+0x50d/0xa40 drivers/video/fbdev/core/softcursor.c:74
 bit_cursor+0x10d9/0x1700 drivers/video/fbdev/core/bitblit.c:386
 fbcon_cursor+0x4be/0x690 drivers/video/fbdev/core/fbcon.c:1350
 hide_cursor+0x7a/0x2a0 drivers/tty/vt/vt.c:590
 redraw_screen+0x2a1/0x770 drivers/tty/vt/vt.c:680
 vc_do_resize+0xbe0/0xde0 drivers/tty/vt/vt.c:967
 vt_ioctl+0x1a64/0x1f20 drivers/tty/vt/vt_ioctl.c:901
 tty_ioctl+0x6c5/0x1220 drivers/tty/tty_io.c:2661
 vfs_ioctl fs/ioctl.c:46 [inline]
 file_ioctl fs/ioctl.c:500 [inline]
 do_vfs_ioctl+0x75a/0xfe0 fs/ioctl.c:684
 SYSC_ioctl fs/ioctl.c:701 [inline]
 SyS_ioctl+0x7f/0xb0 fs/ioctl.c:692
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x45c889
RSP: 002b:00007efe84e32c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007efe84e336d4 RCX: 000000000045c889
RDX: 0000000020000040 RSI: 000000000000560a RDI: 0000000000000008
RBP: 000000000076bfa0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 000000000000066c R14: 00000000004c944e R15: 000000000076bfac
Code: ff df 48 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 09 84 d2 74 05 e8 7e c2 64 fe 41 8b 46 14 48 8b 3c 24 <88> 07 0f ae e8 8a 07 b8 05 00 00 00 ba ce 03 00 00 ee 48 c7 c2 
RIP: writeb arch/x86/include/asm/io.h:65 [inline] RSP: ffff8880435af6b0
RIP: vga_imageblit_expand drivers/video/fbdev/vga16fb.c:1169 [inline] RSP: ffff8880435af6b0
RIP: vga16fb_imageblit+0x9ca/0x2160 drivers/video/fbdev/vga16fb.c:1261 RSP: ffff8880435af6b0
CR2: ffff8880ffee7930
BUG: unable to handle kernel paging request at ffff8880ffee7930
IP: writeb arch/x86/include/asm/io.h:65 [inline]
IP: vga_imageblit_expand drivers/video/fbdev/vga16fb.c:1169 [inline]
IP: vga16fb_imageblit+0x9ca/0x2160 drivers/video/fbdev/vga16fb.c:1261
PGD b06b067 P4D b06b067 PUD 0 
Oops: 0002 [#2] PREEMPT SMP KASAN
Modules linked in:
CPU: 0 PID: 16065 Comm: syz-executor.1 Not tainted 4.14.176-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
task: ffff8880a9398380 task.stack: ffff8880435a8000
RIP: 0010:writeb arch/x86/include/asm/io.h:65 [inline]
RIP: 0010:vga_imageblit_expand drivers/video/fbdev/vga16fb.c:1169 [inline]
RIP: 0010:vga16fb_imageblit+0x9ca/0x2160 drivers/video/fbdev/vga16fb.c:1261
RSP: 0018:ffff8880435aef88 EFLAGS: 00010046
RAX: 0000000000000000 RBX: 0000000000000007 RCX: ffffc9000b481000
RDX: 0000000000000000 RSI: ffffffff831ed399 RDI: ffff8880ffee7930
RBP: ffff88809175dc84 R08: ffff8880a5bc2029 R09: 0000000000000000
R10: ffffffff831a0a90 R11: 0000000000000000 R12: ffff88809175dca0
R13: ffff8880a5b12d00 R14: ffff88809175dc80 R15: 0000000000000000
FS:  00007efe84e33700(0000) GS:ffff8880aea00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffff8880ffee7930 CR3: 0000000092771000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 soft_cursor+0x50d/0xa40 drivers/video/fbdev/core/softcursor.c:74
 bit_cursor+0x10d9/0x1700 drivers/video/fbdev/core/bitblit.c:386
 fbcon_cursor+0x4be/0x690 drivers/video/fbdev/core/fbcon.c:1350
 fbcon_blank+0x940/0xd60 drivers/video/fbdev/core/fbcon.c:2364
 do_unblank_screen drivers/tty/vt/vt.c:3929 [inline]
 do_unblank_screen+0x1fd/0x4f0 drivers/tty/vt/vt.c:3896
 bust_spinlocks+0x52/0xc0
 oops_end+0x2b/0xd0 arch/x86/kernel/dumpstack.c:281
 no_context+0x316/0x770 arch/x86/mm/fault.c:863
 __bad_area_nosemaphore+0x1f6/0x2a0 arch/x86/mm/fault.c:948
 __do_page_fault+0x195/0xb40 arch/x86/mm/fault.c:1374
 page_fault+0x25/0x50 arch/x86/entry/entry_64.S:1122
RIP: 0010:writeb arch/x86/include/asm/io.h:65 [inline]
RIP: 0010:vga_imageblit_expand drivers/video/fbdev/vga16fb.c:1169 [inline]
RIP: 0010:vga16fb_imageblit+0x9ca/0x2160 drivers/video/fbdev/vga16fb.c:1261
RSP: 0018:ffff8880435af6b0 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffc9000b481000
RDX: 0000000000000000 RSI: ffffffff831ed399 RDI: ffff8880ffee7930
RBP: ffff88809175dc84 R08: ffff8880a5bc2024 R09: ffffed10122ebb9b
R10: ffffed10122ebb9a R11: 0000000000000004 R12: ffff88809175dca0
R13: ffff8880a5b12d00 R14: ffff88809175dc80 R15: 0000000000000000
 soft_cursor+0x50d/0xa40 drivers/video/fbdev/core/softcursor.c:74
 bit_cursor+0x10d9/0x1700 drivers/video/fbdev/core/bitblit.c:386
 fbcon_cursor+0x4be/0x690 drivers/video/fbdev/core/fbcon.c:1350
 hide_cursor+0x7a/0x2a0 drivers/tty/vt/vt.c:590
 redraw_screen+0x2a1/0x770 drivers/tty/vt/vt.c:680
 vc_do_resize+0xbe0/0xde0 drivers/tty/vt/vt.c:967
 vt_ioctl+0x1a64/0x1f20 drivers/tty/vt/vt_ioctl.c:901
 tty_ioctl+0x6c5/0x1220 drivers/tty/tty_io.c:2661
 vfs_ioctl fs/ioctl.c:46 [inline]
 file_ioctl fs/ioctl.c:500 [inline]
 do_vfs_ioctl+0x75a/0xfe0 fs/ioctl.c:684
 SYSC_ioctl fs/ioctl.c:701 [inline]
 SyS_ioctl+0x7f/0xb0 fs/ioctl.c:692
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x45c889
RSP: 002b:00007efe84e32c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007efe84e336d4 RCX: 000000000045c889
RDX: 0000000020000040 RSI: 000000000000560a RDI: 0000000000000008
RBP: 000000000076bfa0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 000000000000066c R14: 00000000004c944e R15: 000000000076bfac
Code: ff df 48 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 09 84 d2 74 05 e8 7e c2 64 fe 41 8b 46 14 48 8b 3c 24 <88> 07 0f ae e8 8a 07 b8 05 00 00 00 ba ce 03 00 00 ee 48 c7 c2 
RIP: writeb arch/x86/include/asm/io.h:65 [inline] RSP: ffff8880435aef88
RIP: vga_imageblit_expand drivers/video/fbdev/vga16fb.c:1169 [inline] RSP: ffff8880435aef88
RIP: vga16fb_imageblit+0x9ca/0x2160 drivers/video/fbdev/vga16fb.c:1261 RSP: ffff8880435aef88
CR2: ffff8880ffee7930
---[ end trace 4efc49ce8e2f18b7 ]---