BUG: unable to handle page fault for address: fffff5200115a204 #PF: supervisor read access in kernel mode #PF: error_code(0x0000) - not-present page PGD 7ffcd067 P4D 7ffcd067 PUD 2c91b067 PMD 24649067 PTE 0 Oops: 0000 [#1] PREEMPT SMP KASAN CPU: 3 PID: 13386 Comm: syz-executor.0 Not tainted 5.7.0-rc4-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:fast_imageblit drivers/video/fbdev/core/sysimgblt.c:229 [inline] RIP: 0010:sys_imageblit+0x616/0x1240 drivers/video/fbdev/core/sysimgblt.c:275 Code: 0f b6 14 28 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 5c 0b 00 00 8b 44 24 20 4d 8d 77 04 4c 89 fa 48 c1 ea 03 23 07 <42> 0f b6 0c 2a 4c 89 fa 83 e2 07 33 44 24 14 83 c2 03 38 ca 7c 08 RSP: 0018:ffffc90000d97578 EFLAGS: 00010246 RAX: 0000000000000000 RBX: ffff888076f48950 RCX: ffffffff8877dba0 RDX: 1ffff9200115a204 RSI: ffffffff83bfeb9c RDI: ffffffff8877dba0 RBP: 00000000000003f7 R08: ffff88806292cec0 R09: 0000000000000001 R10: ffffffff8a89553f R11: fffffbfff1512aa7 R12: 0000000000000007 R13: dffffc0000000000 R14: ffffc90008ad1024 R15: ffffc90008ad1020 FS: 0000000000000000(0000) GS:ffff88802d100000(0063) knlGS:00000000f5da7b40 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: fffff5200115a204 CR3: 000000005ead2000 CR4: 0000000000340ee0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: drm_fb_helper_sys_imageblit+0x1c/0x180 drivers/gpu/drm/drm_fb_helper.c:739 bit_putcs_unaligned drivers/video/fbdev/core/bitblit.c:139 [inline] bit_putcs+0x8d0/0xd60 drivers/video/fbdev/core/bitblit.c:188 fbcon_putcs+0x345/0x3f0 drivers/video/fbdev/core/fbcon.c:1362 do_update_region+0x398/0x630 drivers/tty/vt/vt.c:678 invert_screen+0x2a7/0x600 drivers/tty/vt/vt.c:795 highlight drivers/tty/vt/selection.c:57 [inline] clear_selection drivers/tty/vt/selection.c:84 [inline] clear_selection+0x55/0x70 drivers/tty/vt/selection.c:80 vc_do_resize+0xfd2/0x1340 drivers/tty/vt/vt.c:1225 fbcon_do_set_font+0x4a0/0x950 drivers/video/fbdev/core/fbcon.c:2608 fbcon_set_font+0x739/0x870 drivers/video/fbdev/core/fbcon.c:2705 con_font_set drivers/tty/vt/vt.c:4566 [inline] con_font_op+0xd65/0x1160 drivers/tty/vt/vt.c:4631 compat_fontx_ioctl drivers/tty/vt/vt_ioctl.c:1112 [inline] vt_compat_ioctl+0x44e/0x6c0 drivers/tty/vt/vt_ioctl.c:1210 tty_compat_ioctl+0x19c/0x410 drivers/tty/tty_io.c:2847 __do_compat_sys_ioctl fs/ioctl.c:865 [inline] __se_compat_sys_ioctl fs/ioctl.c:816 [inline] __ia32_compat_sys_ioctl+0x23d/0x2b0 fs/ioctl.c:816 do_syscall_32_irqs_on arch/x86/entry/common.c:337 [inline] do_fast_syscall_32+0x270/0xe90 arch/x86/entry/common.c:396 entry_SYSENTER_compat+0x70/0x7f arch/x86/entry/entry_64_compat.S:139 Modules linked in: CR2: fffff5200115a204 ---[ end trace 9d9d7745b4678319 ]--- RIP: 0010:fast_imageblit drivers/video/fbdev/core/sysimgblt.c:229 [inline] RIP: 0010:sys_imageblit+0x616/0x1240 drivers/video/fbdev/core/sysimgblt.c:275 Code: 0f b6 14 28 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 5c 0b 00 00 8b 44 24 20 4d 8d 77 04 4c 89 fa 48 c1 ea 03 23 07 <42> 0f b6 0c 2a 4c 89 fa 83 e2 07 33 44 24 14 83 c2 03 38 ca 7c 08 RSP: 0018:ffffc90000d97578 EFLAGS: 00010246 RAX: 0000000000000000 RBX: ffff888076f48950 RCX: ffffffff8877dba0 RDX: 1ffff9200115a204 RSI: ffffffff83bfeb9c RDI: ffffffff8877dba0 RBP: 00000000000003f7 R08: ffff88806292cec0 R09: 0000000000000001 R10: ffffffff8a89553f R11: fffffbfff1512aa7 R12: 0000000000000007 R13: dffffc0000000000 R14: ffffc90008ad1024 R15: ffffc90008ad1020 FS: 0000000000000000(0000) GS:ffff88802d100000(0063) knlGS:00000000f5da7b40 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: fffff5200115a204 CR3: 000000005ead2000 CR4: 0000000000340ee0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400