BUG: memory leak
unreferenced object 0xffff888125cc6780 (size 192):
  comm "syz-executor364", pid 9851, jiffies 4294984324 (age 7.210s)
  hex dump (first 32 bytes):
    80 6a cc 25 81 88 ff ff 22 01 00 00 00 00 ad de  .j.%....".......
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
  backtrace:
    [<ffffffff814cf901>] __do_kmalloc_node mm/slab_common.c:954 [inline]
    [<ffffffff814cf901>] __kmalloc+0x41/0x130 mm/slab_common.c:968
    [<ffffffff838dd749>] kmalloc include/linux/slab.h:581 [inline]
    [<ffffffff838dd749>] kzalloc include/linux/slab.h:712 [inline]
    [<ffffffff838dd749>] fib_default_rule_add+0x29/0xe0 net/core/fib_rules.c:60
    [<ffffffff83c2cd50>] fib_default_rules_init net/ipv4/fib_rules.c:398 [inline]
    [<ffffffff83c2cd50>] fib4_rules_init+0x50/0x120 net/ipv4/fib_rules.c:419
    [<ffffffff83bffebc>] ip_fib_net_init net/ipv4/fib_frontend.c:1548 [inline]
    [<ffffffff83bffebc>] fib_net_init+0xbc/0x1b0 net/ipv4/fib_frontend.c:1601
    [<ffffffff83865a8e>] ops_init+0x4e/0x190 net/core/net_namespace.c:134
    [<ffffffff83865db1>] setup_net+0x1e1/0x3f0 net/core/net_namespace.c:325
    [<ffffffff83867400>] copy_net_ns+0x1a0/0x3e0 net/core/net_namespace.c:471
    [<ffffffff81281209>] create_new_namespaces+0x199/0x4f0 kernel/nsproxy.c:110
    [<ffffffff81281b6b>] unshare_nsproxy_namespaces+0x9b/0x120 kernel/nsproxy.c:226
    [<ffffffff812420ae>] ksys_unshare+0x2fe/0x600 kernel/fork.c:3188
    [<ffffffff812423c2>] __do_sys_unshare kernel/fork.c:3259 [inline]
    [<ffffffff812423c2>] __se_sys_unshare kernel/fork.c:3257 [inline]
    [<ffffffff812423c2>] __x64_sys_unshare+0x12/0x20 kernel/fork.c:3257
    [<ffffffff84601f85>] do_syscall_x64 arch/x86/entry/common.c:50 [inline]
    [<ffffffff84601f85>] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
    [<ffffffff84800087>] entry_SYSCALL_64_after_hwframe+0x63/0xcd

BUG: memory leak
unreferenced object 0xffff888125cc6a80 (size 192):
  comm "syz-executor364", pid 9851, jiffies 4294984324 (age 7.210s)
  hex dump (first 32 bytes):
    40 62 cc 25 81 88 ff ff 22 01 00 00 00 00 ad de  @b.%....".......
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
  backtrace:
    [<ffffffff814cf901>] __do_kmalloc_node mm/slab_common.c:954 [inline]
    [<ffffffff814cf901>] __kmalloc+0x41/0x130 mm/slab_common.c:968
    [<ffffffff838dd749>] kmalloc include/linux/slab.h:581 [inline]
    [<ffffffff838dd749>] kzalloc include/linux/slab.h:712 [inline]
    [<ffffffff838dd749>] fib_default_rule_add+0x29/0xe0 net/core/fib_rules.c:60
    [<ffffffff83c2cd7e>] fib_default_rules_init net/ipv4/fib_rules.c:401 [inline]
    [<ffffffff83c2cd7e>] fib4_rules_init+0x7e/0x120 net/ipv4/fib_rules.c:419
    [<ffffffff83bffebc>] ip_fib_net_init net/ipv4/fib_frontend.c:1548 [inline]
    [<ffffffff83bffebc>] fib_net_init+0xbc/0x1b0 net/ipv4/fib_frontend.c:1601
    [<ffffffff83865a8e>] ops_init+0x4e/0x190 net/core/net_namespace.c:134
    [<ffffffff83865db1>] setup_net+0x1e1/0x3f0 net/core/net_namespace.c:325
    [<ffffffff83867400>] copy_net_ns+0x1a0/0x3e0 net/core/net_namespace.c:471
    [<ffffffff81281209>] create_new_namespaces+0x199/0x4f0 kernel/nsproxy.c:110
    [<ffffffff81281b6b>] unshare_nsproxy_namespaces+0x9b/0x120 kernel/nsproxy.c:226
    [<ffffffff812420ae>] ksys_unshare+0x2fe/0x600 kernel/fork.c:3188
    [<ffffffff812423c2>] __do_sys_unshare kernel/fork.c:3259 [inline]
    [<ffffffff812423c2>] __se_sys_unshare kernel/fork.c:3257 [inline]
    [<ffffffff812423c2>] __x64_sys_unshare+0x12/0x20 kernel/fork.c:3257
    [<ffffffff84601f85>] do_syscall_x64 arch/x86/entry/common.c:50 [inline]
    [<ffffffff84601f85>] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
    [<ffffffff84800087>] entry_SYSCALL_64_after_hwframe+0x63/0xcd

BUG: memory leak
unreferenced object 0xffff888125cc6240 (size 192):
  comm "syz-executor364", pid 9851, jiffies 4294984324 (age 7.210s)
  hex dump (first 32 bytes):
    80 c9 5c 21 81 88 ff ff 22 01 00 00 00 00 ad de  ..\!....".......
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
  backtrace:
    [<ffffffff814cf901>] __do_kmalloc_node mm/slab_common.c:954 [inline]
    [<ffffffff814cf901>] __kmalloc+0x41/0x130 mm/slab_common.c:968
    [<ffffffff838dd749>] kmalloc include/linux/slab.h:581 [inline]
    [<ffffffff838dd749>] kzalloc include/linux/slab.h:712 [inline]
    [<ffffffff838dd749>] fib_default_rule_add+0x29/0xe0 net/core/fib_rules.c:60
    [<ffffffff83c2cda8>] fib_default_rules_init net/ipv4/fib_rules.c:404 [inline]
    [<ffffffff83c2cda8>] fib4_rules_init+0xa8/0x120 net/ipv4/fib_rules.c:419
    [<ffffffff83bffebc>] ip_fib_net_init net/ipv4/fib_frontend.c:1548 [inline]
    [<ffffffff83bffebc>] fib_net_init+0xbc/0x1b0 net/ipv4/fib_frontend.c:1601
    [<ffffffff83865a8e>] ops_init+0x4e/0x190 net/core/net_namespace.c:134
    [<ffffffff83865db1>] setup_net+0x1e1/0x3f0 net/core/net_namespace.c:325
    [<ffffffff83867400>] copy_net_ns+0x1a0/0x3e0 net/core/net_namespace.c:471
    [<ffffffff81281209>] create_new_namespaces+0x199/0x4f0 kernel/nsproxy.c:110
    [<ffffffff81281b6b>] unshare_nsproxy_namespaces+0x9b/0x120 kernel/nsproxy.c:226
    [<ffffffff812420ae>] ksys_unshare+0x2fe/0x600 kernel/fork.c:3188
    [<ffffffff812423c2>] __do_sys_unshare kernel/fork.c:3259 [inline]
    [<ffffffff812423c2>] __se_sys_unshare kernel/fork.c:3257 [inline]
    [<ffffffff812423c2>] __x64_sys_unshare+0x12/0x20 kernel/fork.c:3257
    [<ffffffff84601f85>] do_syscall_x64 arch/x86/entry/common.c:50 [inline]
    [<ffffffff84601f85>] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
    [<ffffffff84800087>] entry_SYSCALL_64_after_hwframe+0x63/0xcd

BUG: memory leak
unreferenced object 0xffff888125cc6e40 (size 192):
  comm "syz-executor364", pid 9851, jiffies 4294984324 (age 7.210s)
  hex dump (first 32 bytes):
    00 35 ae 21 81 88 ff ff 22 01 00 00 00 00 ad de  .5.!....".......
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
  backtrace:
    [<ffffffff814cf901>] __do_kmalloc_node mm/slab_common.c:954 [inline]
    [<ffffffff814cf901>] __kmalloc+0x41/0x130 mm/slab_common.c:968
    [<ffffffff838dd749>] kmalloc include/linux/slab.h:581 [inline]
    [<ffffffff838dd749>] kzalloc include/linux/slab.h:712 [inline]
    [<ffffffff838dd749>] fib_default_rule_add+0x29/0xe0 net/core/fib_rules.c:60
    [<ffffffff83c32a0f>] ipmr_rules_init net/ipv4/ipmr.c:256 [inline]
    [<ffffffff83c32a0f>] ipmr_net_init net/ipv4/ipmr.c:3071 [inline]
    [<ffffffff83c32a0f>] ipmr_net_init+0x12f/0x2f0 net/ipv4/ipmr.c:3063
    [<ffffffff83865a8e>] ops_init+0x4e/0x190 net/core/net_namespace.c:134
    [<ffffffff83865db1>] setup_net+0x1e1/0x3f0 net/core/net_namespace.c:325
    [<ffffffff83867400>] copy_net_ns+0x1a0/0x3e0 net/core/net_namespace.c:471
    [<ffffffff81281209>] create_new_namespaces+0x199/0x4f0 kernel/nsproxy.c:110
    [<ffffffff81281b6b>] unshare_nsproxy_namespaces+0x9b/0x120 kernel/nsproxy.c:226
    [<ffffffff812420ae>] ksys_unshare+0x2fe/0x600 kernel/fork.c:3188
    [<ffffffff812423c2>] __do_sys_unshare kernel/fork.c:3259 [inline]
    [<ffffffff812423c2>] __se_sys_unshare kernel/fork.c:3257 [inline]
    [<ffffffff812423c2>] __x64_sys_unshare+0x12/0x20 kernel/fork.c:3257
    [<ffffffff84601f85>] do_syscall_x64 arch/x86/entry/common.c:50 [inline]
    [<ffffffff84601f85>] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
    [<ffffffff84800087>] entry_SYSCALL_64_after_hwframe+0x63/0xcd

BUG: memory leak
unreferenced object 0xffff88812576da00 (size 512):
  comm "kworker/0:4", pid 7150, jiffies 4294980578 (age 52.850s)
  hex dump (first 32 bytes):
    00 00 00 00 00 00 00 00 00 81 03 86 ff ff ff ff  ................
    40 28 35 24 81 88 ff ff 72 1c 00 00 01 00 00 00  @(5$....r.......
  backtrace:
    [<ffffffff814cf901>] __do_kmalloc_node mm/slab_common.c:954 [inline]
    [<ffffffff814cf901>] __kmalloc+0x41/0x130 mm/slab_common.c:968
    [<ffffffff83894e4f>] kmalloc include/linux/slab.h:581 [inline]
    [<ffffffff83894e4f>] kzalloc include/linux/slab.h:712 [inline]
    [<ffffffff83894e4f>] neigh_alloc net/core/neighbour.c:457 [inline]
    [<ffffffff83894e4f>] ___neigh_create+0xdf/0xd60 net/core/neighbour.c:642
    [<ffffffff83cd17e6>] ip6_finish_output2+0x776/0x9b0 net/ipv6/ip6_output.c:125
    [<ffffffff83cd7140>] __ip6_finish_output net/ipv6/ip6_output.c:195 [inline]
    [<ffffffff83cd7140>] ip6_finish_output+0x270/0x530 net/ipv6/ip6_output.c:206
    [<ffffffff83cd74a3>] NF_HOOK_COND include/linux/netfilter.h:291 [inline]
    [<ffffffff83cd74a3>] ip6_output+0xa3/0x1b0 net/ipv6/ip6_output.c:227
    [<ffffffff83d0e1ca>] dst_output include/net/dst.h:445 [inline]
    [<ffffffff83d0e1ca>] NF_HOOK include/linux/netfilter.h:302 [inline]
    [<ffffffff83d0e1ca>] ndisc_send_skb+0x24a/0x430 net/ipv6/ndisc.c:508
    [<ffffffff83d12988>] ndisc_send_ns+0x68/0xc0 net/ipv6/ndisc.c:666
    [<ffffffff83ce924b>] addrconf_dad_work+0x63b/0x8f0 net/ipv6/addrconf.c:4171
    [<ffffffff812741ca>] process_one_work+0x2ba/0x5f0 kernel/workqueue.c:2289
    [<ffffffff81274ae9>] worker_thread+0x59/0x5b0 kernel/workqueue.c:2436
    [<ffffffff8127eb65>] kthread+0x125/0x160 kernel/kthread.c:376
    [<ffffffff8100224f>] ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306

BUG: memory leak
unreferenced object 0xffff888122092400 (size 512):
  comm "syz-executor364", pid 9853, jiffies 4294985073 (age 7.910s)
  hex dump (first 32 bytes):
    00 c6 40 16 81 88 ff ff 00 00 00 00 00 00 00 00  ..@.............
    00 00 00 00 00 00 00 00 ea ff ff ff ff ff ff ff  ................
  backtrace:
    [<ffffffff814cf901>] __do_kmalloc_node mm/slab_common.c:954 [inline]
    [<ffffffff814cf901>] __kmalloc+0x41/0x130 mm/slab_common.c:968
    [<ffffffff816e076b>] kmalloc include/linux/slab.h:581 [inline]
    [<ffffffff816e076b>] kzalloc include/linux/slab.h:712 [inline]
    [<ffffffff816e076b>] __register_sysctl_table+0x7b/0x7f0 fs/proc/proc_sysctl.c:1337
    [<ffffffff843c51b4>] mptcp_pernet_new_table net/mptcp/ctrl.c:153 [inline]
    [<ffffffff843c51b4>] mptcp_net_init+0xc4/0x180 net/mptcp/ctrl.c:194
    [<ffffffff83865a8e>] ops_init+0x4e/0x190 net/core/net_namespace.c:134
    [<ffffffff83865db1>] setup_net+0x1e1/0x3f0 net/core/net_namespace.c:325
    [<ffffffff83867400>] copy_net_ns+0x1a0/0x3e0 net/core/net_namespace.c:471
    [<ffffffff81281209>] create_new_namespaces+0x199/0x4f0 kernel/nsproxy.c:110
    [<ffffffff81281b6b>] unshare_nsproxy_namespaces+0x9b/0x120 kernel/nsproxy.c:226
    [<ffffffff812420ae>] ksys_unshare+0x2fe/0x600 kernel/fork.c:3188
    [<ffffffff812423c2>] __do_sys_unshare kernel/fork.c:3259 [inline]
    [<ffffffff812423c2>] __se_sys_unshare kernel/fork.c:3257 [inline]
    [<ffffffff812423c2>] __x64_sys_unshare+0x12/0x20 kernel/fork.c:3257
    [<ffffffff84601f85>] do_syscall_x64 arch/x86/entry/common.c:50 [inline]
    [<ffffffff84601f85>] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
    [<ffffffff84800087>] entry_SYSCALL_64_after_hwframe+0x63/0xcd

BUG: memory leak
unreferenced object 0xffff888125ba0800 (size 2048):
  comm "syz-executor364", pid 9853, jiffies 4294985073 (age 7.910s)
  hex dump (first 32 bytes):
    08 60 41 22 81 88 ff ff 00 00 00 00 00 00 00 00  .`A"............
    00 00 00 00 00 00 00 00 ea ff ff ff ff ff ff ff  ................
  backtrace:
    [<ffffffff814cf901>] __do_kmalloc_node mm/slab_common.c:954 [inline]
    [<ffffffff814cf901>] __kmalloc+0x41/0x130 mm/slab_common.c:968
    [<ffffffff816e076b>] kmalloc include/linux/slab.h:581 [inline]
    [<ffffffff816e076b>] kzalloc include/linux/slab.h:712 [inline]
    [<ffffffff816e076b>] __register_sysctl_table+0x7b/0x7f0 fs/proc/proc_sysctl.c:1337
    [<ffffffff83bf1140>] __devinet_sysctl_register+0xc0/0x140 net/ipv4/devinet.c:2586
    [<ffffffff83bf1294>] devinet_sysctl_register net/ipv4/devinet.c:2626 [inline]
    [<ffffffff83bf1294>] devinet_sysctl_register+0xd4/0x110 net/ipv4/devinet.c:2616
    [<ffffffff83bf1428>] inetdev_init+0x158/0x320 net/ipv4/devinet.c:279
    [<ffffffff83bf26d2>] inetdev_event+0x592/0x880 net/ipv4/devinet.c:1534
    [<ffffffff81282d9d>] notifier_call_chain kernel/notifier.c:87 [inline]
    [<ffffffff81282d9d>] raw_notifier_call_chain+0x5d/0xa0 kernel/notifier.c:455
    [<ffffffff8386f168>] call_netdevice_notifiers_info+0x78/0xe0 net/core/dev.c:1945
    [<ffffffff83887ca9>] call_netdevice_notifiers_extack net/core/dev.c:1983 [inline]
    [<ffffffff83887ca9>] call_netdevice_notifiers net/core/dev.c:1997 [inline]
    [<ffffffff83887ca9>] register_netdevice+0x7c9/0x990 net/core/dev.c:10086
    [<ffffffff83c253c6>] __ip_tunnel_create+0x196/0x330 net/ipv4/ip_tunnel.c:267
    [<ffffffff83c26b73>] ip_tunnel_init_net+0x133/0x280 net/ipv4/ip_tunnel.c:1073
    [<ffffffff83865a8e>] ops_init+0x4e/0x190 net/core/net_namespace.c:134
    [<ffffffff83865db1>] setup_net+0x1e1/0x3f0 net/core/net_namespace.c:325
    [<ffffffff83867400>] copy_net_ns+0x1a0/0x3e0 net/core/net_namespace.c:471
    [<ffffffff81281209>] create_new_namespaces+0x199/0x4f0 kernel/nsproxy.c:110
    [<ffffffff81281b6b>] unshare_nsproxy_namespaces+0x9b/0x120 kernel/nsproxy.c:226