BUG: memory leak
unreferenced object 0xffff88810f37c000 (size 2048):
  comm "syz-executor575", pid 5117, jiffies 4294948953 (age 26.670s)
  hex dump (first 32 bytes):
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
    06 00 07 40 00 00 00 00 00 00 00 00 00 00 00 00  ...@............
  backtrace:
    [<ffffffff81554d08>] __do_kmalloc_node mm/slab_common.c:984 [inline]
    [<ffffffff81554d08>] __kmalloc+0x48/0x150 mm/slab_common.c:998
    [<ffffffff83e48422>] kmalloc include/linux/slab.h:586 [inline]
    [<ffffffff83e48422>] sk_prot_alloc+0x112/0x1b0 net/core/sock.c:2088
    [<ffffffff83e4b6c6>] sk_alloc+0x36/0x2f0 net/core/sock.c:2141
    [<ffffffff8447ef34>] nr_create+0x84/0x1c0 net/netrom/af_netrom.c:438
    [<ffffffff83e40d1f>] __sock_create+0x19f/0x2e0 net/socket.c:1536
    [<ffffffff83e44087>] sock_create net/socket.c:1587 [inline]
    [<ffffffff83e44087>] __sys_socket_create net/socket.c:1624 [inline]
    [<ffffffff83e44087>] __sys_socket+0xa7/0x190 net/socket.c:1652
    [<ffffffff83e4418b>] __do_sys_socket net/socket.c:1665 [inline]
    [<ffffffff83e4418b>] __se_sys_socket net/socket.c:1663 [inline]
    [<ffffffff83e4418b>] __x64_sys_socket+0x1b/0x20 net/socket.c:1663
    [<ffffffff84ad3bb8>] do_syscall_x64 arch/x86/entry/common.c:50 [inline]
    [<ffffffff84ad3bb8>] do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80
    [<ffffffff84c0008b>] entry_SYSCALL_64_after_hwframe+0x63/0xcd

BUG: memory leak
unreferenced object 0xffff8881153b2660 (size 16):
  comm "syz-executor575", pid 5117, jiffies 4294948953 (age 26.670s)
  hex dump (first 16 bytes):
    a8 1d 07 00 81 88 ff ff 00 00 00 00 00 00 00 00  ................
  backtrace:
    [<ffffffff815545e5>] kmalloc_trace+0x25/0x90 mm/slab_common.c:1076
    [<ffffffff823537b2>] kmalloc include/linux/slab.h:582 [inline]
    [<ffffffff823537b2>] kzalloc include/linux/slab.h:703 [inline]
    [<ffffffff823537b2>] apparmor_sk_alloc_security+0x52/0xd0 security/apparmor/lsm.c:828
    [<ffffffff82317ee7>] security_sk_alloc+0x47/0x80 security/security.c:4372
    [<ffffffff83e4843d>] sk_prot_alloc+0x12d/0x1b0 net/core/sock.c:2091
    [<ffffffff83e4b6c6>] sk_alloc+0x36/0x2f0 net/core/sock.c:2141
    [<ffffffff8447ef34>] nr_create+0x84/0x1c0 net/netrom/af_netrom.c:438
    [<ffffffff83e40d1f>] __sock_create+0x19f/0x2e0 net/socket.c:1536
    [<ffffffff83e44087>] sock_create net/socket.c:1587 [inline]
    [<ffffffff83e44087>] __sys_socket_create net/socket.c:1624 [inline]
    [<ffffffff83e44087>] __sys_socket+0xa7/0x190 net/socket.c:1652
    [<ffffffff83e4418b>] __do_sys_socket net/socket.c:1665 [inline]
    [<ffffffff83e4418b>] __se_sys_socket net/socket.c:1663 [inline]
    [<ffffffff83e4418b>] __x64_sys_socket+0x1b/0x20 net/socket.c:1663
    [<ffffffff84ad3bb8>] do_syscall_x64 arch/x86/entry/common.c:50 [inline]
    [<ffffffff84ad3bb8>] do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80
    [<ffffffff84c0008b>] entry_SYSCALL_64_after_hwframe+0x63/0xcd

BUG: memory leak
unreferenced object 0xffff888116898000 (size 2048):
  comm "syz-executor575", pid 5120, jiffies 4294948986 (age 26.340s)
  hex dump (first 32 bytes):
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
    06 00 07 40 00 00 00 00 00 00 00 00 00 00 00 00  ...@............
  backtrace:
    [<ffffffff81554d08>] __do_kmalloc_node mm/slab_common.c:984 [inline]
    [<ffffffff81554d08>] __kmalloc+0x48/0x150 mm/slab_common.c:998
    [<ffffffff83e48422>] kmalloc include/linux/slab.h:586 [inline]
    [<ffffffff83e48422>] sk_prot_alloc+0x112/0x1b0 net/core/sock.c:2088
    [<ffffffff83e4b6c6>] sk_alloc+0x36/0x2f0 net/core/sock.c:2141
    [<ffffffff8447ef34>] nr_create+0x84/0x1c0 net/netrom/af_netrom.c:438
    [<ffffffff83e40d1f>] __sock_create+0x19f/0x2e0 net/socket.c:1536
    [<ffffffff83e44087>] sock_create net/socket.c:1587 [inline]
    [<ffffffff83e44087>] __sys_socket_create net/socket.c:1624 [inline]
    [<ffffffff83e44087>] __sys_socket+0xa7/0x190 net/socket.c:1652
    [<ffffffff83e4418b>] __do_sys_socket net/socket.c:1665 [inline]
    [<ffffffff83e4418b>] __se_sys_socket net/socket.c:1663 [inline]
    [<ffffffff83e4418b>] __x64_sys_socket+0x1b/0x20 net/socket.c:1663
    [<ffffffff84ad3bb8>] do_syscall_x64 arch/x86/entry/common.c:50 [inline]
    [<ffffffff84ad3bb8>] do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80
    [<ffffffff84c0008b>] entry_SYSCALL_64_after_hwframe+0x63/0xcd

BUG: memory leak
unreferenced object 0xffff888114b15e90 (size 16):
  comm "syz-executor575", pid 5120, jiffies 4294948986 (age 26.340s)
  hex dump (first 16 bytes):
    a8 1d 07 00 81 88 ff ff 00 00 00 00 00 00 00 00  ................
  backtrace:
    [<ffffffff815545e5>] kmalloc_trace+0x25/0x90 mm/slab_common.c:1076
    [<ffffffff823537b2>] kmalloc include/linux/slab.h:582 [inline]
    [<ffffffff823537b2>] kzalloc include/linux/slab.h:703 [inline]
    [<ffffffff823537b2>] apparmor_sk_alloc_security+0x52/0xd0 security/apparmor/lsm.c:828
    [<ffffffff82317ee7>] security_sk_alloc+0x47/0x80 security/security.c:4372
    [<ffffffff83e4843d>] sk_prot_alloc+0x12d/0x1b0 net/core/sock.c:2091
    [<ffffffff83e4b6c6>] sk_alloc+0x36/0x2f0 net/core/sock.c:2141
    [<ffffffff8447ef34>] nr_create+0x84/0x1c0 net/netrom/af_netrom.c:438
    [<ffffffff83e40d1f>] __sock_create+0x19f/0x2e0 net/socket.c:1536
    [<ffffffff83e44087>] sock_create net/socket.c:1587 [inline]
    [<ffffffff83e44087>] __sys_socket_create net/socket.c:1624 [inline]
    [<ffffffff83e44087>] __sys_socket+0xa7/0x190 net/socket.c:1652
    [<ffffffff83e4418b>] __do_sys_socket net/socket.c:1665 [inline]
    [<ffffffff83e4418b>] __se_sys_socket net/socket.c:1663 [inline]
    [<ffffffff83e4418b>] __x64_sys_socket+0x1b/0x20 net/socket.c:1663
    [<ffffffff84ad3bb8>] do_syscall_x64 arch/x86/entry/common.c:50 [inline]
    [<ffffffff84ad3bb8>] do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80
    [<ffffffff84c0008b>] entry_SYSCALL_64_after_hwframe+0x63/0xcd

BUG: memory leak
unreferenced object 0xffff888106efd000 (size 2048):
  comm "syz-executor575", pid 5032, jiffies 4294948467 (age 35.360s)
  hex dump (first 32 bytes):
    08 20 d3 0a 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:
    [<ffffffff81554d08>] __do_kmalloc_node mm/slab_common.c:984 [inline]
    [<ffffffff81554d08>] __kmalloc+0x48/0x150 mm/slab_common.c:998
    [<ffffffff817768cf>] kmalloc include/linux/slab.h:586 [inline]
    [<ffffffff817768cf>] kzalloc include/linux/slab.h:703 [inline]
    [<ffffffff817768cf>] __register_sysctl_table+0x7f/0xb50 fs/proc/proc_sysctl.c:1367
    [<ffffffff84209444>] __devinet_sysctl_register+0xe4/0x150 net/ipv4/devinet.c:2590
    [<ffffffff8420a1ac>] devinet_init_net+0xec/0x2f0 net/ipv4/devinet.c:2713
    [<ffffffff83e6f663>] ops_init+0x53/0x1b0 net/core/net_namespace.c:136
    [<ffffffff83e6fd5a>] setup_net+0x18a/0x3a0 net/core/net_namespace.c:339
    [<ffffffff83e71b69>] copy_net_ns+0x199/0x3d0 net/core/net_namespace.c:491
    [<ffffffff812c78b7>] create_new_namespaces+0x197/0x500 kernel/nsproxy.c:110
    [<ffffffff812c8272>] unshare_nsproxy_namespaces+0xa2/0x120 kernel/nsproxy.c:228
    [<ffffffff81280b34>] ksys_unshare+0x314/0x610 kernel/fork.c:3438
    [<ffffffff81280e46>] __do_sys_unshare kernel/fork.c:3509 [inline]
    [<ffffffff81280e46>] __se_sys_unshare kernel/fork.c:3507 [inline]
    [<ffffffff81280e46>] __x64_sys_unshare+0x16/0x20 kernel/fork.c:3507
    [<ffffffff84ad3bb8>] do_syscall_x64 arch/x86/entry/common.c:50 [inline]
    [<ffffffff84ad3bb8>] do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80
    [<ffffffff84c0008b>] entry_SYSCALL_64_after_hwframe+0x63/0xcd

BUG: memory leak
unreferenced object 0xffff88810e5f4d00 (size 256):
  comm "syz-executor575", pid 5032, jiffies 4294948467 (age 35.360s)
  hex dump (first 32 bytes):
    78 4d 5f 0e 81 88 ff ff 00 00 00 00 00 00 00 00  xM_.............
    00 00 00 00 00 00 00 00 ea ff ff ff ff ff ff ff  ................
  backtrace:
    [<ffffffff81554d08>] __do_kmalloc_node mm/slab_common.c:984 [inline]
    [<ffffffff81554d08>] __kmalloc+0x48/0x150 mm/slab_common.c:998
    [<ffffffff8177702f>] kmalloc include/linux/slab.h:586 [inline]
    [<ffffffff8177702f>] kzalloc include/linux/slab.h:703 [inline]
    [<ffffffff8177702f>] new_dir fs/proc/proc_sysctl.c:964 [inline]
    [<ffffffff8177702f>] get_subdir fs/proc/proc_sysctl.c:1008 [inline]
    [<ffffffff8177702f>] sysctl_mkdir_p fs/proc/proc_sysctl.c:1298 [inline]
    [<ffffffff8177702f>] __register_sysctl_table+0x7df/0xb50 fs/proc/proc_sysctl.c:1383
    [<ffffffff84209444>] __devinet_sysctl_register+0xe4/0x150 net/ipv4/devinet.c:2590
    [<ffffffff8420a1ac>] devinet_init_net+0xec/0x2f0 net/ipv4/devinet.c:2713
    [<ffffffff83e6f663>] ops_init+0x53/0x1b0 net/core/net_namespace.c:136
    [<ffffffff83e6fd5a>] setup_net+0x18a/0x3a0 net/core/net_namespace.c:339
    [<ffffffff83e71b69>] copy_net_ns+0x199/0x3d0 net/core/net_namespace.c:491
    [<ffffffff812c78b7>] create_new_namespaces+0x197/0x500 kernel/nsproxy.c:110
    [<ffffffff812c8272>] unshare_nsproxy_namespaces+0xa2/0x120 kernel/nsproxy.c:228
    [<ffffffff81280b34>] ksys_unshare+0x314/0x610 kernel/fork.c:3438
    [<ffffffff81280e46>] __do_sys_unshare kernel/fork.c:3509 [inline]
    [<ffffffff81280e46>] __se_sys_unshare kernel/fork.c:3507 [inline]
    [<ffffffff81280e46>] __x64_sys_unshare+0x16/0x20 kernel/fork.c:3507
    [<ffffffff84ad3bb8>] do_syscall_x64 arch/x86/entry/common.c:50 [inline]
    [<ffffffff84ad3bb8>] do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80
    [<ffffffff84c0008b>] entry_SYSCALL_64_after_hwframe+0x63/0xcd

BUG: memory leak
unreferenced object 0xffff888106efd800 (size 2048):
  comm "syz-executor575", pid 5032, jiffies 4294948467 (age 35.360s)
  hex dump (first 32 bytes):
    08 30 d3 0a 81 88 ff ff 00 00 00 00 00 00 00 00  .0..............
    00 00 00 00 00 00 00 00 ea ff ff ff ff ff ff ff  ................
  backtrace:
    [<ffffffff81554d08>] __do_kmalloc_node mm/slab_common.c:984 [inline]
    [<ffffffff81554d08>] __kmalloc+0x48/0x150 mm/slab_common.c:998
    [<ffffffff817768cf>] kmalloc include/linux/slab.h:586 [inline]
    [<ffffffff817768cf>] kzalloc include/linux/slab.h:703 [inline]
    [<ffffffff817768cf>] __register_sysctl_table+0x7f/0xb50 fs/proc/proc_sysctl.c:1367
    [<ffffffff84209444>] __devinet_sysctl_register+0xe4/0x150 net/ipv4/devinet.c:2590
    [<ffffffff8420a1db>] devinet_init_net+0x11b/0x2f0 net/ipv4/devinet.c:2717
    [<ffffffff83e6f663>] ops_init+0x53/0x1b0 net/core/net_namespace.c:136
    [<ffffffff83e6fd5a>] setup_net+0x18a/0x3a0 net/core/net_namespace.c:339
    [<ffffffff83e71b69>] copy_net_ns+0x199/0x3d0 net/core/net_namespace.c:491
    [<ffffffff812c78b7>] create_new_namespaces+0x197/0x500 kernel/nsproxy.c:110
    [<ffffffff812c8272>] unshare_nsproxy_namespaces+0xa2/0x120 kernel/nsproxy.c:228
    [<ffffffff81280b34>] ksys_unshare+0x314/0x610 kernel/fork.c:3438
    [<ffffffff81280e46>] __do_sys_unshare kernel/fork.c:3509 [inline]
    [<ffffffff81280e46>] __se_sys_unshare kernel/fork.c:3507 [inline]
    [<ffffffff81280e46>] __x64_sys_unshare+0x16/0x20 kernel/fork.c:3507
    [<ffffffff84ad3bb8>] do_syscall_x64 arch/x86/entry/common.c:50 [inline]
    [<ffffffff84ad3bb8>] do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80
    [<ffffffff84c0008b>] entry_SYSCALL_64_after_hwframe+0x63/0xcd

BUG: memory leak
unreferenced object 0xffff88810e5f4e00 (size 256):
  comm "syz-executor575", pid 5032, jiffies 4294948467 (age 35.360s)
  hex dump (first 32 bytes):
    78 4e 5f 0e 81 88 ff ff 00 00 00 00 00 00 00 00  xN_.............
    00 00 00 00 00 00 00 00 ea ff ff ff ff ff ff ff  ................
  backtrace:
    [<ffffffff81554d08>] __do_kmalloc_node mm/slab_common.c:984 [inline]
    [<ffffffff81554d08>] __kmalloc+0x48/0x150 mm/slab_common.c:998
    [<ffffffff8177702f>] kmalloc include/linux/slab.h:586 [inline]
    [<ffffffff8177702f>] kzalloc include/linux/slab.h:703 [inline]
    [<ffffffff8177702f>] new_dir fs/proc/proc_sysctl.c:964 [inline]
    [<ffffffff8177702f>] get_subdir fs/proc/proc_sysctl.c:1008 [inline]
    [<ffffffff8177702f>] sysctl_mkdir_p fs/proc/proc_sysctl.c:1298 [inline]
    [<ffffffff8177702f>] __register_sysctl_table+0x7df/0xb50 fs/proc/proc_sysctl.c:1383
    [<ffffffff84209444>] __devinet_sysctl_register+0xe4/0x150 net/ipv4/devinet.c:2590
    [<ffffffff8420a1db>] devinet_init_net+0x11b/0x2f0 net/ipv4/devinet.c:2717
    [<ffffffff83e6f663>] ops_init+0x53/0x1b0 net/core/net_namespace.c:136
    [<ffffffff83e6fd5a>] setup_net+0x18a/0x3a0 net/core/net_namespace.c:339
    [<ffffffff83e71b69>] copy_net_ns+0x199/0x3d0 net/core/net_namespace.c:491
    [<ffffffff812c78b7>] create_new_namespaces+0x197/0x500 kernel/nsproxy.c:110
    [<ffffffff812c8272>] unshare_nsproxy_namespaces+0xa2/0x120 kernel/nsproxy.c:228
    [<ffffffff81280b34>] ksys_unshare+0x314/0x610 kernel/fork.c:3438
    [<ffffffff81280e46>] __do_sys_unshare kernel/fork.c:3509 [inline]
    [<ffffffff81280e46>] __se_sys_unshare kernel/fork.c:3507 [inline]
    [<ffffffff81280e46>] __x64_sys_unshare+0x16/0x20 kernel/fork.c:3507
    [<ffffffff84ad3bb8>] do_syscall_x64 arch/x86/entry/common.c:50 [inline]
    [<ffffffff84ad3bb8>] do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80
    [<ffffffff84c0008b>] entry_SYSCALL_64_after_hwframe+0x63/0xcd