2022/11/04 12:12:14 executed programs: 3
BUG: memory leak
unreferenced object 0xffff88810e280300 (size 240):
  comm "syz-executor.0", pid 4082, jiffies 4294945277 (age 19.390s)
  hex dump (first 32 bytes):
    e0 3c 76 17 81 88 ff ff e0 3c 76 17 81 88 ff ff  .<v......<v.....
    00 c0 3d 17 81 88 ff ff 00 00 00 00 00 00 00 00  ..=.............
  backtrace:
    [<ffffffff8385276b>] napi_skb_cache_get+0x6b/0x90 net/core/skbuff.c:258
    [<ffffffff838527a5>] __napi_build_skb+0x15/0x50 net/core/skbuff.c:387
    [<ffffffff83852b79>] __napi_alloc_skb+0x129/0x260 net/core/skbuff.c:691
    [<ffffffff838d51ec>] napi_alloc_skb include/linux/skbuff.h:3212 [inline]
    [<ffffffff838d51ec>] napi_get_frags net/core/gro.c:688 [inline]
    [<ffffffff838d51ec>] napi_get_frags+0x3c/0x80 net/core/gro.c:683
    [<ffffffff83858b2b>] napi_get_frags_check+0x1b/0x50 net/core/skbuff.c:215
    [<ffffffff83882597>] netif_napi_add_weight+0x1a7/0x350 net/core/dev.c:6392
    [<ffffffff8391b5a6>] netif_napi_add include/linux/netdevice.h:2565 [inline]
    [<ffffffff8391b5a6>] gro_cells_init net/core/gro_cells.c:84 [inline]
    [<ffffffff8391b5a6>] gro_cells_init+0x76/0xd0 net/core/gro_cells.c:69
    [<ffffffff83c2bba1>] ip_tunnel_init+0xd1/0x270 net/ipv4/ip_tunnel.c:1241
    [<ffffffff8388d5f4>] register_netdevice+0x184/0x990 net/core/dev.c:9987
    [<ffffffff83c2b696>] __ip_tunnel_create+0x196/0x330 net/ipv4/ip_tunnel.c:267
    [<ffffffff83c2ce43>] ip_tunnel_init_net+0x133/0x280 net/ipv4/ip_tunnel.c:1073
    [<ffffffff8386b9c5>] ops_init+0x55/0x1e0 net/core/net_namespace.c:135
    [<ffffffff8386bd31>] setup_net+0x1e1/0x3f0 net/core/net_namespace.c:332
    [<ffffffff8386d380>] copy_net_ns+0x1a0/0x3e0 net/core/net_namespace.c:478
    [<ffffffff81281269>] create_new_namespaces+0x199/0x4f0 kernel/nsproxy.c:110
    [<ffffffff81281bcb>] unshare_nsproxy_namespaces+0x9b/0x120 kernel/nsproxy.c:226

BUG: memory leak
unreferenced object 0xffff888110a60000 (size 65664):
  comm "syz-executor.0", pid 4107, jiffies 4294945905 (age 13.110s)
  hex dump (first 32 bytes):
    00 00 00 00 00 00 00 00 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:
    [<ffffffff814d067c>] __do_kmalloc_node mm/slab_common.c:943 [inline]
    [<ffffffff814d067c>] __kmalloc_node_track_caller+0xac/0x120 mm/slab_common.c:975
    [<ffffffff83859c05>] kmalloc_reserve net/core/skbuff.c:437 [inline]
    [<ffffffff83859c05>] pskb_expand_head+0xe5/0x5f0 net/core/skbuff.c:1832
    [<ffffffff82a0c6e8>] __skb_grow include/linux/skbuff.h:3043 [inline]
    [<ffffffff82a0c6e8>] tun_napi_alloc_frags drivers/net/tun.c:1473 [inline]
    [<ffffffff82a0c6e8>] tun_get_user+0x1468/0x1e20 drivers/net/tun.c:1827
    [<ffffffff82a0dd9d>] tun_chr_write_iter+0x6d/0x110 drivers/net/tun.c:2026
    [<ffffffff815d8517>] call_write_iter include/linux/fs.h:2191 [inline]
    [<ffffffff815d8517>] do_iter_readv_writev+0x147/0x210 fs/read_write.c:735
    [<ffffffff815d9afc>] do_iter_write+0xdc/0x300 fs/read_write.c:861
    [<ffffffff815d9e5d>] vfs_writev+0xdd/0x240 fs/read_write.c:934
    [<ffffffff815da066>] do_writev+0xa6/0x1c0 fs/read_write.c:977
    [<ffffffff84609175>] do_syscall_x64 arch/x86/entry/common.c:50 [inline]
    [<ffffffff84609175>] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
    [<ffffffff84800087>] entry_SYSCALL_64_after_hwframe+0x63/0xcd