overlayfs: missing 'lowerdir'
WARNING: CPU: 1 PID: 29916 at net/xfrm/xfrm_policy.c:761 xfrm_policy_insert+0x8e9/0x16f0 net/xfrm/xfrm_policy.c:761
kobject: 'tx-0' (00000000a044bcaf): calling ktype release
kobject: 'tx-0': free name
kobject: 'queues' (000000007ededc79): kobject_cleanup, parent           (null)
Kernel panic - not syncing: panic_on_warn set ...
CPU: 1 PID: 29916 Comm: syz-executor5 Not tainted 4.19.0+ #93
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
kobject: 'queues' (000000007ededc79): calling ktype release
kobject: 'queues' (000000007ededc79): kset_release
 __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
 do_invalid_op+0x36/0x40 arch/x86/kernel/traps.c:290
kobject: 'queues': free name
 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:969
RIP: 0010:xfrm_policy_insert+0x8e9/0x16f0 net/xfrm/xfrm_policy.c:761
Code: 14 20 48 89 f8 83 e0 07 83 c0 03 38 d0 0f 8c c4 f9 ff ff 84 d2 0f 84 bc f9 ff ff e8 11 37 02 fb e9 b2 f9 ff ff e8 57 f0 be fa <0f> 0b 48 8b 85 e0 fe ff ff 0f b6 10 48 8b 85 e8 fe ff ff 83 e0 07
RSP: 0018:ffff8801bcf8f250 EFLAGS: 00010212
RAX: 0000000000040000 RBX: ffff8801b8689b00 RCX: ffffc9000c5e5000
RDX: 0000000000003d3c RSI: ffffffff86c088a9 RDI: ffff8801b8689d20
kobject: 'gre0' (00000000c00da3ed): kobject_uevent_env
RBP: ffff8801bcf8f3d8 R08: ffff8801ca018140 R09: ffffed00379f1e37
R10: ffffed00379f1e37 R11: 0000000000000003 R12: dffffc0000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
kobject: 'gre0' (00000000c00da3ed): kobject_uevent_env: uevent_suppress caused the event to drop!
 xfrm_add_policy+0x2a0/0x6f0 net/xfrm/xfrm_user.c:1657
kobject: 'loop4' (0000000004ebdc75): kobject_uevent_env
kobject: 'loop4' (0000000004ebdc75): fill_kobj_path: path = '/devices/virtual/block/loop4'
 xfrm_user_rcv_msg+0x44c/0x8e0 net/xfrm/xfrm_user.c:2665
 netlink_rcv_skb+0x172/0x440 net/netlink/af_netlink.c:2477
 xfrm_netlink_rcv+0x6f/0x90 net/xfrm/xfrm_user.c:2673
 netlink_unicast_kernel net/netlink/af_netlink.c:1310 [inline]
 netlink_unicast+0x5a5/0x760 net/netlink/af_netlink.c:1336
 netlink_sendmsg+0xa18/0xfc0 net/netlink/af_netlink.c:1917
 sock_sendmsg_nosec net/socket.c:621 [inline]
 sock_sendmsg+0xd5/0x120 net/socket.c:631
 ___sys_sendmsg+0x7fd/0x930 net/socket.c:2116
 __sys_sendmsg+0x11d/0x280 net/socket.c:2154
 __do_sys_sendmsg net/socket.c:2163 [inline]
 __se_sys_sendmsg net/socket.c:2161 [inline]
 __x64_sys_sendmsg+0x78/0xb0 net/socket.c:2161
 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x457569
Code: fd b3 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 cb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007fe5f161ec78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000457569
RDX: 0000000000000000 RSI: 0000000020000340 RDI: 0000000000000004
RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe5f161f6d4
R13: 00000000004c3b3e R14: 00000000004d5c38 R15: 00000000ffffffff
Kernel Offset: disabled
Rebooting in 86400 seconds..