netlink: 'syz-executor4': attribute type 1 has an invalid length. netlink: 'syz-executor4': attribute type 2 has an invalid length. netlink: 4 bytes leftover after parsing attributes in process `syz-executor1'. netlink: 'syz-executor4': attribute type 4 has an invalid length. WARNING: CPU: 0 PID: 9187 at net/xfrm/xfrm_policy.c:1066 xfrm_policy_inexact_gc_tree+0x233/0x290 net/xfrm/xfrm_policy.c:1066 netlink: 4 bytes leftover after parsing attributes in process `syz-executor1'. Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 9187 Comm: kworker/u4:8 Not tainted 5.0.0-rc3+ #37 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: netns cleanup_net Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1db/0x2d0 lib/dump_stack.c:113 panic+0x2cb/0x65c kernel/panic.c:214 __warn.cold+0x20/0x48 kernel/panic.c:571 report_bug+0x263/0x2b0 lib/bug.c:186 netlink: 'syz-executor4': attribute type 1 has an invalid length. fixup_bug arch/x86/kernel/traps.c:178 [inline] fixup_bug arch/x86/kernel/traps.c:173 [inline] do_error_trap+0x11b/0x200 arch/x86/kernel/traps.c:271 do_invalid_op+0x37/0x50 arch/x86/kernel/traps.c:290 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:973 RIP: 0010:xfrm_policy_inexact_gc_tree+0x233/0x290 net/xfrm/xfrm_policy.c:1066 netlink: 'syz-executor4': attribute type 2 has an invalid length. Code: 81 c4 a0 00 00 00 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 71 b2 c3 fa 31 ff 44 89 fe e8 a7 b3 c3 fa 45 84 ff 74 99 e8 5d b2 c3 fa <0f> 0b eb 90 48 8d 7d 98 48 89 b5 50 ff ff ff e8 b9 a4 07 fb 48 8b kobject: 'loop0' (000000007b73ddb4): kobject_uevent_env RSP: 0000:ffff88806617f448 EFLAGS: 00010293 netlink: 'syz-executor4': attribute type 4 has an invalid length. RAX: ffff888066236700 RBX: 0000000000000000 RCX: ffffffff86be4c89 RDX: 0000000000000000 RSI: ffffffff86be4c93 RDI: 0000000000000001 RBP: ffff88806617f510 R08: ffff888066236700 R09: ffff888066237040 R10: ffff888066237020 R11: 0000000000000001 R12: ffff888095cb5980 R13: dffffc0000000000 R14: ffffed100cc2fe95 R15: 0000000000000001 kobject: 'loop0' (000000007b73ddb4): fill_kobj_path: path = '/devices/virtual/block/loop0' __xfrm_policy_inexact_prune_bin+0x126/0xa60 net/xfrm/xfrm_policy.c:1078 kobject: 'loop5' (000000005dd5d42a): kobject_uevent_env kobject: 'loop5' (000000005dd5d42a): fill_kobj_path: path = '/devices/virtual/block/loop5' xfrm_policy_fini+0x463/0x640 net/xfrm/xfrm_policy.c:3887 xfrm_net_exit+0x1d/0x70 net/xfrm/xfrm_policy.c:3928 ops_exit_list.isra.0+0xb0/0x160 net/core/net_namespace.c:153 cleanup_net+0x51d/0xb10 net/core/net_namespace.c:551 kobject: 'loop1' (0000000054d3b97a): kobject_uevent_env process_one_work+0xd0c/0x1ce0 kernel/workqueue.c:2153 kobject: 'loop1' (0000000054d3b97a): fill_kobj_path: path = '/devices/virtual/block/loop1' worker_thread+0x143/0x14a0 kernel/workqueue.c:2296 kthread+0x357/0x430 kernel/kthread.c:246 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352 Kernel Offset: disabled Rebooting in 86400 seconds..