kasan: CONFIG_KASAN_INLINE enabled
kasan: GPF could be caused by NULL-ptr deref or user memory access
general protection fault: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 31888 Comm: syz-executor.2 Not tainted 5.5.0-rc1-syzkaller #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.12.0-59-gc9ba5276e321-prebuilt.qemu.org 04/01/2014
RIP: 0010:fbcon_fb_blanked+0xe5/0x260 drivers/video/fbdev/core/fbcon.c:3272
Code: 0f 85 79 01 00 00 48 8d 04 db 4c 8b 3c c5 80 19 10 8c 48 b8 00 00 00 00 00 fc ff df 49 8d bf 7c 03 00 00 48 89 fa 48 c1 ea 03 <0f> b6 04 02 48 89 fa 83 e2 07 38 d0 7f 08 84 c0 0f 85 21 01 00 00
RSP: 0018:ffffc900064c7ae0 EFLAGS: 00010207
RAX: dffffc0000000000 RBX: 000000000000003e RCX: ffffc9000f834000
RDX: 000000000000006f RSI: ffffffff83b33c4a RDI: 000000000000037c
RBP: ffffc900064c7b10 R08: ffff888059d51840 R09: ffffed10058d133e
R10: ffffed10058d133d R11: ffff88802c6899ef R12: ffff888076ce7000
R13: ffff88802815ec00 R14: 0000000020000040 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff88802d100000(0063) knlGS:00000000f5d2bb40
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 0000000030821000 CR3: 0000000061cc2000 CR4: 0000000000340ee0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 do_fb_ioctl+0x18b/0x7d0 drivers/video/fbdev/core/fbmem.c:1158
 fb_compat_ioctl+0x305/0xc50 drivers/video/fbdev/core/fbmem.c:1310
 __do_compat_sys_ioctl fs/compat_ioctl.c:214 [inline]
 __se_compat_sys_ioctl fs/compat_ioctl.c:142 [inline]
 __ia32_compat_sys_ioctl+0x233/0x610 fs/compat_ioctl.c:142
 do_syscall_32_irqs_on arch/x86/entry/common.c:337 [inline]
 do_fast_syscall_32+0x27b/0xe16 arch/x86/entry/common.c:408
 entry_SYSENTER_compat+0x70/0x7f arch/x86/entry/entry_64_compat.S:139
RIP: 0023:0xf7f2fa39
Code: 00 00 00 89 d3 5b 5e 5f 5d c3 b8 80 96 98 00 eb c4 8b 04 24 c3 8b 1c 24 c3 8b 34 24 c3 8b 3c 24 c3 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90
RSP: 002b:00000000f5d2b0cc EFLAGS: 00000296 ORIG_RAX: 0000000000000036
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000004611
RDX: 0000000020000040 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
Modules linked in:
---[ end trace f20d087979e54b3a ]---
RIP: 0010:fbcon_fb_blanked+0xe5/0x260 drivers/video/fbdev/core/fbcon.c:3272
Code: 0f 85 79 01 00 00 48 8d 04 db 4c 8b 3c c5 80 19 10 8c 48 b8 00 00 00 00 00 fc ff df 49 8d bf 7c 03 00 00 48 89 fa 48 c1 ea 03 <0f> b6 04 02 48 89 fa 83 e2 07 38 d0 7f 08 84 c0 0f 85 21 01 00 00
RSP: 0018:ffffc900064c7ae0 EFLAGS: 00010207
RAX: dffffc0000000000 RBX: 000000000000003e RCX: ffffc9000f834000
RDX: 000000000000006f RSI: ffffffff83b33c4a RDI: 000000000000037c
RBP: ffffc900064c7b10 R08: ffff888059d51840 R09: ffffed10058d133e
R10: ffffed10058d133d R11: ffff88802c6899ef R12: ffff888076ce7000
R13: ffff88802815ec00 R14: 0000000020000040 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff88802d100000(0063) knlGS:00000000f5d2bb40
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 0000000030821000 CR3: 0000000061cc2000 CR4: 0000000000340ee0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400