executing program
executing program
BUG: memory leak
unreferenced object 0xffff88810f782300 (size 240):
  comm "sshd", pid 3579, jiffies 4294939817 (age 66.680s)
  hex dump (first 32 bytes):
    e0 44 0d 06 81 88 ff ff e0 44 0d 06 81 88 ff ff  .D.......D......
    00 c0 44 13 81 88 ff ff 00 00 00 00 00 00 00 00  ..D.............
  backtrace:
    [<ffffffff83884c09>] __alloc_skb+0x1f9/0x270 net/core/skbuff.c:497
    [<ffffffff83bf367a>] alloc_skb include/linux/skbuff.h:1265 [inline]
    [<ffffffff83bf367a>] __tcp_send_ack.part.0+0x3a/0x1d0 net/ipv4/tcp_output.c:3960
    [<ffffffff83bf8562>] __tcp_send_ack net/ipv4/tcp_output.c:3992 [inline]
    [<ffffffff83bf8562>] tcp_send_ack+0x32/0x40 net/ipv4/tcp_output.c:3992
    [<ffffffff83bcd08d>] __tcp_cleanup_rbuf+0x15d/0x1b0 net/ipv4/tcp.c:1616
    [<ffffffff83bd3845>] tcp_recvmsg_locked+0x3c5/0xfc0 net/ipv4/tcp.c:2648
    [<ffffffff83bd55ba>] tcp_recvmsg+0x9a/0x320 net/ipv4/tcp.c:2678
    [<ffffffff83c2f908>] inet_recvmsg+0x78/0x180 net/ipv4/af_inet.c:850
    [<ffffffff83873dbf>] sock_recvmsg_nosec net/socket.c:995 [inline]
    [<ffffffff83873dbf>] sock_recvmsg net/socket.c:1013 [inline]
    [<ffffffff83873dbf>] sock_recvmsg net/socket.c:1009 [inline]
    [<ffffffff83873dbf>] sock_read_iter+0x15f/0x1b0 net/socket.c:1086
    [<ffffffff815e0e31>] call_read_iter include/linux/fs.h:2184 [inline]
    [<ffffffff815e0e31>] new_sync_read fs/read_write.c:389 [inline]
    [<ffffffff815e0e31>] vfs_read+0x3b1/0x400 fs/read_write.c:470
    [<ffffffff815e1a9b>] ksys_read+0x12b/0x160 fs/read_write.c:613
    [<ffffffff845fd895>] do_syscall_x64 arch/x86/entry/common.c:50 [inline]
    [<ffffffff845fd895>] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
    [<ffffffff84800087>] entry_SYSCALL_64_after_hwframe+0x63/0xcd

BUG: memory leak
unreferenced object 0xffff88810f797900 (size 240):
  comm "sshd", pid 3579, jiffies 4294939818 (age 66.670s)
  hex dump (first 32 bytes):
    e0 2c 44 06 81 88 ff ff e0 2c 44 06 81 88 ff ff  .,D......,D.....
    00 00 47 13 81 88 ff ff 00 00 00 00 00 00 00 00  ..G.............
  backtrace:
    [<ffffffff83884c09>] __alloc_skb+0x1f9/0x270 net/core/skbuff.c:497
    [<ffffffff83bf367a>] alloc_skb include/linux/skbuff.h:1265 [inline]
    [<ffffffff83bf367a>] __tcp_send_ack.part.0+0x3a/0x1d0 net/ipv4/tcp_output.c:3960
    [<ffffffff83bf8562>] __tcp_send_ack net/ipv4/tcp_output.c:3992 [inline]
    [<ffffffff83bf8562>] tcp_send_ack+0x32/0x40 net/ipv4/tcp_output.c:3992
    [<ffffffff83bcd08d>] __tcp_cleanup_rbuf+0x15d/0x1b0 net/ipv4/tcp.c:1616
    [<ffffffff83bd3845>] tcp_recvmsg_locked+0x3c5/0xfc0 net/ipv4/tcp.c:2648
    [<ffffffff83bd55ba>] tcp_recvmsg+0x9a/0x320 net/ipv4/tcp.c:2678
    [<ffffffff83c2f908>] inet_recvmsg+0x78/0x180 net/ipv4/af_inet.c:850
    [<ffffffff83873dbf>] sock_recvmsg_nosec net/socket.c:995 [inline]
    [<ffffffff83873dbf>] sock_recvmsg net/socket.c:1013 [inline]
    [<ffffffff83873dbf>] sock_recvmsg net/socket.c:1009 [inline]
    [<ffffffff83873dbf>] sock_read_iter+0x15f/0x1b0 net/socket.c:1086
    [<ffffffff815e0e31>] call_read_iter include/linux/fs.h:2184 [inline]
    [<ffffffff815e0e31>] new_sync_read fs/read_write.c:389 [inline]
    [<ffffffff815e0e31>] vfs_read+0x3b1/0x400 fs/read_write.c:470
    [<ffffffff815e1a9b>] ksys_read+0x12b/0x160 fs/read_write.c:613
    [<ffffffff845fd895>] do_syscall_x64 arch/x86/entry/common.c:50 [inline]
    [<ffffffff845fd895>] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
    [<ffffffff84800087>] entry_SYSCALL_64_after_hwframe+0x63/0xcd

BUG: memory leak
unreferenced object 0xffff888110f0b800 (size 2048):
  comm "syz-executor339", pid 3648, jiffies 4294945712 (age 7.730s)
  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:
    [<ffffffff8388bf05>] kmalloc_reserve net/core/skbuff.c:437 [inline]
    [<ffffffff8388bf05>] pskb_expand_head+0xe5/0x5f0 net/core/skbuff.c:1832
    [<ffffffff838901e9>] __pskb_pull_tail+0x69/0x860 net/core/skbuff.c:2375
    [<ffffffff83dcd2de>] pskb_may_pull include/linux/skbuff.h:2625 [inline]
    [<ffffffff83dcd2de>] ipv6_gso_pull_exthdrs+0x11e/0x1b0 net/ipv6/ip6_offload.c:57
    [<ffffffff83dcdf95>] ipv6_gro_receive+0x415/0x600 net/ipv6/ip6_offload.c:237
    [<ffffffff839085d8>] dev_gro_receive+0x3b8/0xc70 net/core/gro.c:522
    [<ffffffff8390907c>] napi_gro_frags+0x1ec/0x4e0 net/core/gro.c:774
    [<ffffffff82a3f4af>] tun_get_user+0x174f/0x1e00 drivers/net/tun.c:1978
    [<ffffffff82a4085d>] tun_chr_write_iter+0x6d/0x110 drivers/net/tun.c:2025
    [<ffffffff815de437>] call_write_iter include/linux/fs.h:2190 [inline]
    [<ffffffff815de437>] do_iter_readv_writev+0x147/0x210 fs/read_write.c:735
    [<ffffffff815dfa1c>] do_iter_write+0xdc/0x300 fs/read_write.c:861
    [<ffffffff815dfd7d>] vfs_writev+0xdd/0x240 fs/read_write.c:934
    [<ffffffff815dff86>] do_writev+0xa6/0x1c0 fs/read_write.c:977
    [<ffffffff845fd895>] do_syscall_x64 arch/x86/entry/common.c:50 [inline]
    [<ffffffff845fd895>] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
    [<ffffffff84800087>] entry_SYSCALL_64_after_hwframe+0x63/0xcd