netlink: 8 bytes leftover after parsing attributes in process `syz-executor0'.
WARNING: CPU: 0 PID: 22640 at fs/overlayfs/dir.c:263 ovl_instantiate+0x369/0x400 fs/overlayfs/dir.c:263
Kernel panic - not syncing: panic_on_warn set ...
CPU: 0 PID: 22640 Comm: syz-executor1 Not tainted 4.20.0-rc2+ #333
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x244/0x39d lib/dump_stack.c:113
 panic+0x2ad/0x55c kernel/panic.c:188
 __warn.cold.8+0x20/0x45 kernel/panic.c:540
 report_bug+0x254/0x2d0 lib/bug.c:186
 fixup_bug arch/x86/kernel/traps.c:178 [inline]
 do_error_trap+0x11b/0x200 arch/x86/kernel/traps.c:271
kvm: pic: non byte read
 do_invalid_op+0x36/0x40 arch/x86/kernel/traps.c:290
kvm: pic: non byte read
 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:969
RIP: 0010:ovl_instantiate+0x369/0x400 fs/overlayfs/dir.c:263
Code: c3 89 c6 e8 69 f7 ef fe 85 db 0f 85 9e 00 00 00 e8 4c f6 ef fe 4c 89 e7 45 31 f6 e8 31 62 46 ff e9 ec fe ff ff e8 37 f6 ef fe <0f> 0b e9 e0 fe ff ff e8 2b f6 ef fe 0f 0b e9 63 ff ff ff e8 5f 43
RSP: 0018:ffff888183bef9a0 EFLAGS: 00010212
RAX: 0000000000040000 RBX: ffff888183befa38 RCX: ffffc90007df9000
RDX: 000000000002129e RSI: ffffffff828f91a9 RDI: 0000000000000007
RBP: ffff888183befa60 R08: ffff88817fb7c200 R09: ffffed103077dee7
R10: ffffed103077dee7 R11: 0000000000000003 R12: ffff8881404c11a0
R13: ffff888183bef9d8 R14: ffffffffffffff8c R15: 0000000000000000
kvm: pic: non byte read
 ovl_create_over_whiteout fs/overlayfs/dir.c:518 [inline]
 ovl_create_or_link+0xad6/0x1560 fs/overlayfs/dir.c:582
kvm: pic: non byte read
kvm: pic: non byte read
kobject: 'loop2' (000000002aafda3b): kobject_uevent_env
kvm: pic: non byte read
 ovl_create_object+0x2e9/0x3a0 fs/overlayfs/dir.c:616
kobject: 'loop2' (000000002aafda3b): fill_kobj_path: path = '/devices/virtual/block/loop2'
 ovl_mkdir+0x2b/0x30 fs/overlayfs/dir.c:635
 vfs_mkdir+0x42e/0x6b0 fs/namei.c:3817
 do_mkdirat+0x27a/0x310 fs/namei.c:3840
 __do_sys_mkdir fs/namei.c:3856 [inline]
 __se_sys_mkdir fs/namei.c:3854 [inline]
 __x64_sys_mkdir+0x5c/0x80 fs/namei.c:3854
kvm: pic: non byte read
 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290
kvm: pic: non byte read
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
kobject: 'loop2' (000000002aafda3b): kobject_uevent_env
RIP: 0033:0x456987
Code: 1f 40 00 b8 5a 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 cd bf fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 b8 53 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 ad bf fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007fd8bdff3a88 EFLAGS: 00000246 ORIG_RAX: 0000000000000053
RAX: ffffffffffffffda RBX: 00000000200007d0 RCX: 0000000000456987
RDX: 0000000000000003 RSI: 00000000000001ff RDI: 0000000020000200
RBP: 0000000000000000 R08: 0000000000000000 R09: 000000000000000a
R10: 0000000000000075 R11: 0000000000000246 R12: 0000000000000003
R13: 0000000000000000 R14: 00000000004d8508 R15: 00000000ffffffff
Kernel Offset: disabled
Rebooting in 86400 seconds..