BUG: memory leak
unreferenced object 0xffff88811d3a7400 (size 1024):
  comm "syz-executor.1", pid 4540, jiffies 4294944982 (age 11.930s)
  hex dump (first 32 bytes):
    00 70 3a 1d 81 88 ff ff 00 00 00 00 00 00 00 00  .p:.............
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
  backtrace:
    [<ffffffff814cfd60>] kmalloc_trace+0x20/0x90 mm/slab_common.c:1045
    [<ffffffff82615357>] kmalloc include/linux/slab.h:553 [inline]
    [<ffffffff82615357>] kzalloc include/linux/slab.h:689 [inline]
    [<ffffffff82615357>] gsm_dlci_alloc+0x27/0x180 drivers/tty/n_gsm.c:2060
    [<ffffffff8261a6ab>] gsm_activate_mux drivers/tty/n_gsm.c:2534 [inline]
    [<ffffffff8261a6ab>] gsm_config drivers/tty/n_gsm.c:2778 [inline]
    [<ffffffff8261a6ab>] gsmld_ioctl+0x45b/0x780 drivers/tty/n_gsm.c:3115
    [<ffffffff82602093>] tty_ioctl+0x733/0xbe0 drivers/tty/tty_io.c:2780
    [<ffffffff81602b4c>] vfs_ioctl fs/ioctl.c:51 [inline]
    [<ffffffff81602b4c>] __do_sys_ioctl fs/ioctl.c:870 [inline]
    [<ffffffff81602b4c>] __se_sys_ioctl fs/ioctl.c:856 [inline]
    [<ffffffff81602b4c>] __x64_sys_ioctl+0xfc/0x140 fs/ioctl.c:856
    [<ffffffff846072d5>] do_syscall_x64 arch/x86/entry/common.c:50 [inline]
    [<ffffffff846072d5>] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
    [<ffffffff84800087>] entry_SYSCALL_64_after_hwframe+0x63/0xcd

BUG: memory leak
unreferenced object 0xffff88811d85d800 (size 1024):
  comm "syz-executor.5", pid 4672, jiffies 4294945199 (age 9.760s)
  hex dump (first 32 bytes):
    00 d4 85 1d 81 88 ff ff 00 00 00 00 00 00 00 00  ................
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
  backtrace:
    [<ffffffff814cfd60>] kmalloc_trace+0x20/0x90 mm/slab_common.c:1045
    [<ffffffff82615357>] kmalloc include/linux/slab.h:553 [inline]
    [<ffffffff82615357>] kzalloc include/linux/slab.h:689 [inline]
    [<ffffffff82615357>] gsm_dlci_alloc+0x27/0x180 drivers/tty/n_gsm.c:2060
    [<ffffffff8261a6ab>] gsm_activate_mux drivers/tty/n_gsm.c:2534 [inline]
    [<ffffffff8261a6ab>] gsm_config drivers/tty/n_gsm.c:2778 [inline]
    [<ffffffff8261a6ab>] gsmld_ioctl+0x45b/0x780 drivers/tty/n_gsm.c:3115
    [<ffffffff82602093>] tty_ioctl+0x733/0xbe0 drivers/tty/tty_io.c:2780
    [<ffffffff81602b4c>] vfs_ioctl fs/ioctl.c:51 [inline]
    [<ffffffff81602b4c>] __do_sys_ioctl fs/ioctl.c:870 [inline]
    [<ffffffff81602b4c>] __se_sys_ioctl fs/ioctl.c:856 [inline]
    [<ffffffff81602b4c>] __x64_sys_ioctl+0xfc/0x140 fs/ioctl.c:856
    [<ffffffff846072d5>] do_syscall_x64 arch/x86/entry/common.c:50 [inline]
    [<ffffffff846072d5>] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
    [<ffffffff84800087>] entry_SYSCALL_64_after_hwframe+0x63/0xcd

BUG: memory leak
unreferenced object 0xffff88811ceffc00 (size 512):
  comm "kworker/0:0", pid 6, jiffies 4294945202 (age 9.730s)
  hex dump (first 32 bytes):
    00 00 00 00 00 00 00 00 40 a0 03 86 ff ff ff ff  ........@.......
    40 f8 48 16 81 88 ff ff 42 92 ff ff 00 00 00 00  @.H.....B.......
  backtrace:
    [<ffffffff814d07b6>] __do_kmalloc_node mm/slab_common.c:954 [inline]
    [<ffffffff814d07b6>] __kmalloc+0x46/0x120 mm/slab_common.c:968
    [<ffffffff83895f0f>] kmalloc include/linux/slab.h:558 [inline]
    [<ffffffff83895f0f>] kzalloc include/linux/slab.h:689 [inline]
    [<ffffffff83895f0f>] neigh_alloc net/core/neighbour.c:457 [inline]
    [<ffffffff83895f0f>] ___neigh_create+0xdf/0xd60 net/core/neighbour.c:642
    [<ffffffff83cd2e86>] ip6_finish_output2+0x776/0x9b0 net/ipv6/ip6_output.c:125
    [<ffffffff83cd87e0>] __ip6_finish_output net/ipv6/ip6_output.c:195 [inline]
    [<ffffffff83cd87e0>] ip6_finish_output+0x270/0x530 net/ipv6/ip6_output.c:206
    [<ffffffff83cd8b43>] NF_HOOK_COND include/linux/netfilter.h:291 [inline]
    [<ffffffff83cd8b43>] ip6_output+0xa3/0x1b0 net/ipv6/ip6_output.c:227
    [<ffffffff83d23bb9>] dst_output include/net/dst.h:445 [inline]
    [<ffffffff83d23bb9>] NF_HOOK include/linux/netfilter.h:302 [inline]
    [<ffffffff83d23bb9>] NF_HOOK.constprop.0+0x49/0x110 include/linux/netfilter.h:296
    [<ffffffff83d23e3a>] mld_sendpack+0x1ba/0x2c0 net/ipv6/mcast.c:1820
    [<ffffffff83d27063>] mld_send_cr net/ipv6/mcast.c:2121 [inline]
    [<ffffffff83d27063>] mld_ifc_work+0x2a3/0x760 net/ipv6/mcast.c:2653
    [<ffffffff812741aa>] process_one_work+0x2ba/0x5f0 kernel/workqueue.c:2289
    [<ffffffff81274ac9>] worker_thread+0x59/0x5b0 kernel/workqueue.c:2436
    [<ffffffff8127eb45>] 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 0xffff88811cd52200 (size 512):
  comm "kworker/0:0", pid 6, jiffies 4294945202 (age 9.730s)
  hex dump (first 32 bytes):
    00 00 00 00 00 00 00 00 40 a0 03 86 ff ff ff ff  ........@.......
    80 a4 ae 1b 81 88 ff ff 42 92 ff ff 00 00 00 00  ........B.......
  backtrace:
    [<ffffffff814d07b6>] __do_kmalloc_node mm/slab_common.c:954 [inline]
    [<ffffffff814d07b6>] __kmalloc+0x46/0x120 mm/slab_common.c:968
    [<ffffffff83895f0f>] kmalloc include/linux/slab.h:558 [inline]
    [<ffffffff83895f0f>] kzalloc include/linux/slab.h:689 [inline]
    [<ffffffff83895f0f>] neigh_alloc net/core/neighbour.c:457 [inline]
    [<ffffffff83895f0f>] ___neigh_create+0xdf/0xd60 net/core/neighbour.c:642
    [<ffffffff83cd2e86>] ip6_finish_output2+0x776/0x9b0 net/ipv6/ip6_output.c:125
    [<ffffffff83cd87e0>] __ip6_finish_output net/ipv6/ip6_output.c:195 [inline]
    [<ffffffff83cd87e0>] ip6_finish_output+0x270/0x530 net/ipv6/ip6_output.c:206
    [<ffffffff83cd8b43>] NF_HOOK_COND include/linux/netfilter.h:291 [inline]
    [<ffffffff83cd8b43>] ip6_output+0xa3/0x1b0 net/ipv6/ip6_output.c:227
    [<ffffffff83d23bb9>] dst_output include/net/dst.h:445 [inline]
    [<ffffffff83d23bb9>] NF_HOOK include/linux/netfilter.h:302 [inline]
    [<ffffffff83d23bb9>] NF_HOOK.constprop.0+0x49/0x110 include/linux/netfilter.h:296
    [<ffffffff83d23e3a>] mld_sendpack+0x1ba/0x2c0 net/ipv6/mcast.c:1820
    [<ffffffff83d27063>] mld_send_cr net/ipv6/mcast.c:2121 [inline]
    [<ffffffff83d27063>] mld_ifc_work+0x2a3/0x760 net/ipv6/mcast.c:2653
    [<ffffffff812741aa>] process_one_work+0x2ba/0x5f0 kernel/workqueue.c:2289
    [<ffffffff81274ac9>] worker_thread+0x59/0x5b0 kernel/workqueue.c:2436
    [<ffffffff8127eb45>] 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 0xffff88810cf21800 (size 512):
  comm "kworker/0:2", pid 144, jiffies 4294945204 (age 9.720s)
  hex dump (first 32 bytes):
    00 00 00 00 00 00 00 00 40 a0 03 86 ff ff ff ff  ........@.......
    c0 cc 77 1b 81 88 ff ff 44 92 ff ff 00 00 00 00  ..w.....D.......
  backtrace:
    [<ffffffff814d07b6>] __do_kmalloc_node mm/slab_common.c:954 [inline]
    [<ffffffff814d07b6>] __kmalloc+0x46/0x120 mm/slab_common.c:968
    [<ffffffff83895f0f>] kmalloc include/linux/slab.h:558 [inline]
    [<ffffffff83895f0f>] kzalloc include/linux/slab.h:689 [inline]
    [<ffffffff83895f0f>] neigh_alloc net/core/neighbour.c:457 [inline]
    [<ffffffff83895f0f>] ___neigh_create+0xdf/0xd60 net/core/neighbour.c:642
    [<ffffffff83cd2e86>] ip6_finish_output2+0x776/0x9b0 net/ipv6/ip6_output.c:125
    [<ffffffff83cd87e0>] __ip6_finish_output net/ipv6/ip6_output.c:195 [inline]
    [<ffffffff83cd87e0>] ip6_finish_output+0x270/0x530 net/ipv6/ip6_output.c:206
    [<ffffffff83cd8b43>] NF_HOOK_COND include/linux/netfilter.h:291 [inline]
    [<ffffffff83cd8b43>] ip6_output+0xa3/0x1b0 net/ipv6/ip6_output.c:227
    [<ffffffff83d0f78a>] dst_output include/net/dst.h:445 [inline]
    [<ffffffff83d0f78a>] NF_HOOK include/linux/netfilter.h:302 [inline]
    [<ffffffff83d0f78a>] ndisc_send_skb+0x24a/0x430 net/ipv6/ndisc.c:508
    [<ffffffff83d13f48>] ndisc_send_ns+0x68/0xc0 net/ipv6/ndisc.c:666
    [<ffffffff83cea8fb>] addrconf_dad_work+0x63b/0x8f0 net/ipv6/addrconf.c:4171
    [<ffffffff812741aa>] process_one_work+0x2ba/0x5f0 kernel/workqueue.c:2289
    [<ffffffff81274ac9>] worker_thread+0x59/0x5b0 kernel/workqueue.c:2436
    [<ffffffff8127eb45>] kthread+0x125/0x160 kernel/kthread.c:376
    [<ffffffff8100224f>] ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306