hfs: can't find a HFS filesystem on dev nullb0 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=28724 comm=syz-executor.3 IPVS: ftp: loaded support on port[0] = 21 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: 0 PID: 2440 Comm: kworker/0:4 Not tainted 4.19.113-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: events console_callback RIP: 0010:fbcon_cursor+0x10e/0x760 drivers/video/fbdev/core/fbcon.c:1347 Code: df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 0c 06 00 00 4c 8b b5 a0 03 00 00 48 b8 00 00 00 00 00 fc ff df 4c 89 f2 48 c1 ea 03 <0f> b6 14 02 4c 89 f0 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 3d RSP: 0018:ffff8880490dfb48 EFLAGS: 00010206 RAX: dffffc0000000000 RBX: ffff888219957d00 RCX: ffffffff839e9570 RDX: 0000000020000000 RSI: ffffffff83741d89 RDI: ffff888032f19a60 RBP: ffff888032f196c0 R08: ffff88803c2561c0 R09: ffffed1014b7a984 R10: ffffed1014b7a983 R11: ffff8880a5bd4c1f R12: ffff8880a5652dc0 R13: 0000000000000001 R14: 0000000100000000 R15: ffff8880a5653228 FS: 0000000000000000(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b3172f000 CR3: 000000000f217000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: set_cursor drivers/tty/vt/vt.c:908 [inline] set_cursor+0x1e9/0x270 drivers/tty/vt/vt.c:899 redraw_screen+0x5ee/0x870 drivers/tty/vt/vt.c:1026 complete_change_console+0x100/0x390 drivers/tty/vt/vt_ioctl.c:1282 change_console+0x191/0x2b0 drivers/tty/vt/vt_ioctl.c:1407 console_callback+0x393/0x3f0 drivers/tty/vt/vt.c:2811 process_one_work+0x91f/0x1640 kernel/workqueue.c:2155 worker_thread+0x96/0xe20 kernel/workqueue.c:2298 kthread+0x34a/0x420 kernel/kthread.c:246 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415 Modules linked in: ---[ end trace ef7039063da75370 ]--- RIP: 0010:fbcon_cursor+0x10e/0x760 drivers/video/fbdev/core/fbcon.c:1347 Code: df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 0c 06 00 00 4c 8b b5 a0 03 00 00 48 b8 00 00 00 00 00 fc ff df 4c 89 f2 48 c1 ea 03 <0f> b6 14 02 4c 89 f0 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 3d RSP: 0018:ffff8880490dfb48 EFLAGS: 00010206 RAX: dffffc0000000000 RBX: ffff888219957d00 RCX: ffffffff839e9570 RDX: 0000000020000000 RSI: ffffffff83741d89 RDI: ffff888032f19a60 RBP: ffff888032f196c0 R08: ffff88803c2561c0 R09: ffffed1014b7a984 R10: ffffed1014b7a983 R11: ffff8880a5bd4c1f R12: ffff8880a5652dc0 R13: 0000000000000001 R14: 0000000100000000 R15: ffff8880a5653228 FS: 0000000000000000(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b3172f000 CR3: 000000000f217000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400