batman_adv: Cannot find parent device batman_adv: Cannot find parent device 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: 12028 Comm: syz-executor.4 Not tainted 4.19.128-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:fbcon_cursor+0x10e/0x760 drivers/video/fbdev/core/fbcon.c:1350 Code: df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 f0 05 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 96 RSP: 0018:ffff888206117538 EFLAGS: 00010202 RAX: dffffc0000000000 RBX: ffff8882196e4a80 RCX: ffffc9000e300000 RDX: 0000000020000001 RSI: ffffffff83751c99 RDI: ffff88804f457a20 RBP: ffff88804f457680 R08: ffff888030abc480 R09: fffffbfff131a8b3 R10: fffffbfff131a8b2 R11: ffffffff898d4597 R12: ffff88821973b100 R13: 0000000000000002 R14: 0000000100000008 R15: ffff88821973b568 FS: 00007f79fcc84700(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fde26db0bc8 CR3: 000000021081e000 CR4: 00000000001426e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: hide_cursor+0x85/0x2c0 drivers/tty/vt/vt.c:902 redraw_screen+0x2ed/0x870 drivers/tty/vt/vt.c:1006 fbcon_modechanged+0x5a0/0x870 drivers/video/fbdev/core/fbcon.c:2972 fbcon_event_notify+0x1b2/0x1d60 drivers/video/fbdev/core/fbcon.c:3347 notifier_call_chain+0xc0/0x230 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+0x85/0xa0 kernel/notifier.c:325 fb_set_var+0xc39/0xe00 drivers/video/fbdev/core/fbmem.c:1042 do_fb_ioctl+0x450/0x9c0 drivers/video/fbdev/core/fbmem.c:1115 fb_ioctl+0xda/0x120 drivers/video/fbdev/core/fbmem.c:1230 vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:501 [inline] do_vfs_ioctl+0xcda/0x12e0 fs/ioctl.c:688 ksys_ioctl+0x9b/0xc0 fs/ioctl.c:705 __do_sys_ioctl fs/ioctl.c:712 [inline] __se_sys_ioctl fs/ioctl.c:710 [inline] __x64_sys_ioctl+0x6f/0xb0 fs/ioctl.c:710 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x45ca69 Code: 0d b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 db b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f79fcc83c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00000000004e4fc0 RCX: 000000000045ca69 RDX: 0000000020000000 RSI: 0000000000004601 RDI: 0000000000000003 RBP: 000000000078bf00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 00000000000002f7 R14: 00000000004c577c R15: 00007f79fcc846d4 Modules linked in: kasan: CONFIG_KASAN_INLINE enabled kasan: GPF could be caused by NULL-ptr deref or user memory access general protection fault: 0000 [#2] PREEMPT SMP KASAN CPU: 1 PID: 12028 Comm: syz-executor.4 Not tainted 4.19.128-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:fbcon_cursor+0x10e/0x760 drivers/video/fbdev/core/fbcon.c:1350 Code: df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 f0 05 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 96 RSP: 0018:ffff888206117220 EFLAGS: 00010002 RAX: dffffc0000000000 RBX: ffff8882196e4a80 RCX: ffffc9000e300000 RDX: 0000000020000001 RSI: ffffffff83751c99 RDI: ffff88804f457a20 RBP: ffff88804f457680 R08: ffff888030abc480 R09: fffffbfff131a8b3 R10: fffffbfff131a8b2 R11: ffffffff898d4597 R12: ffff88821973b100 R13: 0000000000000001 R14: 0000000100000008 R15: ffff88821973b568 FS: 00007f79fcc84700(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fde26db0bc8 CR3: 000000021081e000 CR4: 00000000001426e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: fbcon_blank+0x8a9/0xe90 drivers/video/fbdev/core/fbcon.c:2386 do_unblank_screen+0x241/0x610 drivers/tty/vt/vt.c:4268 bust_spinlocks+0x5b/0xe0 oops_end+0x2b/0xe0 arch/x86/kernel/dumpstack.c:336 general_protection+0x1e/0x30 arch/x86/entry/entry_64.S:1204 RIP: 0010:fbcon_cursor+0x10e/0x760 drivers/video/fbdev/core/fbcon.c:1350 Code: df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 f0 05 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 96 RSP: 0018:ffff888206117538 EFLAGS: 00010202 RAX: dffffc0000000000 RBX: ffff8882196e4a80 RCX: ffffc9000e300000 RDX: 0000000020000001 RSI: ffffffff83751c99 RDI: ffff88804f457a20 RBP: ffff88804f457680 R08: ffff888030abc480 R09: fffffbfff131a8b3 R10: fffffbfff131a8b2 R11: ffffffff898d4597 R12: ffff88821973b100 R13: 0000000000000002 R14: 0000000100000008 R15: ffff88821973b568 hide_cursor+0x85/0x2c0 drivers/tty/vt/vt.c:902 redraw_screen+0x2ed/0x870 drivers/tty/vt/vt.c:1006 fbcon_modechanged+0x5a0/0x870 drivers/video/fbdev/core/fbcon.c:2972 fbcon_event_notify+0x1b2/0x1d60 drivers/video/fbdev/core/fbcon.c:3347 notifier_call_chain+0xc0/0x230 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+0x85/0xa0 kernel/notifier.c:325 fb_set_var+0xc39/0xe00 drivers/video/fbdev/core/fbmem.c:1042 do_fb_ioctl+0x450/0x9c0 drivers/video/fbdev/core/fbmem.c:1115 fb_ioctl+0xda/0x120 drivers/video/fbdev/core/fbmem.c:1230 vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:501 [inline] do_vfs_ioctl+0xcda/0x12e0 fs/ioctl.c:688 ksys_ioctl+0x9b/0xc0 fs/ioctl.c:705 __do_sys_ioctl fs/ioctl.c:712 [inline] __se_sys_ioctl fs/ioctl.c:710 [inline] __x64_sys_ioctl+0x6f/0xb0 fs/ioctl.c:710 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x45ca69 Code: 0d b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 db b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f79fcc83c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00000000004e4fc0 RCX: 000000000045ca69 RDX: 0000000020000000 RSI: 0000000000004601 RDI: 0000000000000003 RBP: 000000000078bf00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 00000000000002f7 R14: 00000000004c577c R15: 00007f79fcc846d4 Modules linked in: ---[ end trace d018ebdab0a939f5 ]--- RIP: 0010:fbcon_cursor+0x10e/0x760 drivers/video/fbdev/core/fbcon.c:1350 Code: df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 f0 05 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 96 RSP: 0018:ffff888206117538 EFLAGS: 00010202 RAX: dffffc0000000000 RBX: ffff8882196e4a80 RCX: ffffc9000e300000 RDX: 0000000020000001 RSI: ffffffff83751c99 RDI: ffff88804f457a20 RBP: ffff88804f457680 R08: ffff888030abc480 R09: fffffbfff131a8b3 R10: fffffbfff131a8b2 R11: ffffffff898d4597 R12: ffff88821973b100 R13: 0000000000000002 R14: 0000000100000008 R15: ffff88821973b568 FS: 00007f79fcc84700(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fde26db0bc8 CR3: 000000021081e000 CR4: 00000000001426e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400