BUG: memory leak
unreferenced object 0xffff8880503fc180 (size 96):
  comm "syz-executor.3", pid 20838, jiffies 4294981243 (age 23.147s)
  hex dump (first 32 bytes):
    01 00 00 00 00 01 02 ff 04 00 00 00 00 00 00 00  ................
    00 54 d8 00 00 ea ff ff 40 54 d8 00 00 ea ff ff  .T......@T......
  backtrace:
    [<000000008ce08c88>] __skb_ext_alloc+0x19/0x80 net/core/skbuff.c:6224
    [<000000002dbe84de>] skb_ext_add+0x503/0x670 net/core/skbuff.c:6319
    [<0000000083ca7fd8>] skb_set_kcov_handle include/linux/skbuff.h:4622 [inline]
    [<0000000083ca7fd8>] skb_set_kcov_handle include/linux/skbuff.h:4612 [inline]
    [<0000000083ca7fd8>] __alloc_skb+0x3c1/0x620 net/core/skbuff.c:253
    [<0000000022d382fb>] skb_copy+0x12b/0x2e0 net/core/skbuff.c:1522
    [<000000005b3aa90d>] tcp_send_synack+0x5ab/0x1450 net/ipv4/tcp_output.c:3479
    [<0000000086adc219>] tcp_rcv_synsent_state_process net/ipv4/tcp_input.c:6240 [inline]
    [<0000000086adc219>] tcp_rcv_state_process+0x2293/0x4950 net/ipv4/tcp_input.c:6354
    [<0000000014074882>] tcp_v6_do_rcv+0x7b0/0x1290 net/ipv6/tcp_ipv6.c:1522
    [<00000000b299db73>] sk_backlog_rcv include/net/sock.h:1010 [inline]
    [<00000000b299db73>] __release_sock+0x139/0x3b0 net/core/sock.c:2525
    [<0000000054861ba3>] release_sock+0x54/0x1b0 net/core/sock.c:3055
    [<00000000db736c0d>] inet_wait_for_connect net/ipv4/af_inet.c:594 [inline]
    [<00000000db736c0d>] __inet_stream_connect+0x57e/0xd40 net/ipv4/af_inet.c:686
    [<0000000073f6ec2b>] inet_stream_connect+0x53/0xa0 net/ipv4/af_inet.c:725
    [<0000000036fe23da>] __sys_connect_file+0x157/0x1a0 net/socket.c:1839
    [<00000000f34fab91>] __sys_connect+0x161/0x190 net/socket.c:1856
    [<000000007692ac31>] __do_sys_connect net/socket.c:1866 [inline]
    [<000000007692ac31>] __se_sys_connect net/socket.c:1863 [inline]
    [<000000007692ac31>] __x64_sys_connect+0x6e/0xb0 net/socket.c:1863
    [<00000000d1b6cef8>] do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46
    [<000000002ca744b3>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff888047d07880 (size 96):
  comm "syz-executor.3", pid 20978, jiffies 4294981660 (age 22.731s)
  hex dump (first 32 bytes):
    01 00 00 00 00 01 02 ff 04 00 00 00 00 00 00 00  ................
    00 00 00 00 00 00 00 00 74 00 00 00 00 00 00 00  ........t.......
  backtrace:
    [<000000008ce08c88>] __skb_ext_alloc+0x19/0x80 net/core/skbuff.c:6224
    [<000000002dbe84de>] skb_ext_add+0x503/0x670 net/core/skbuff.c:6319
    [<0000000083ca7fd8>] skb_set_kcov_handle include/linux/skbuff.h:4622 [inline]
    [<0000000083ca7fd8>] skb_set_kcov_handle include/linux/skbuff.h:4612 [inline]
    [<0000000083ca7fd8>] __alloc_skb+0x3c1/0x620 net/core/skbuff.c:253
    [<0000000022d382fb>] skb_copy+0x12b/0x2e0 net/core/skbuff.c:1522
    [<000000005b3aa90d>] tcp_send_synack+0x5ab/0x1450 net/ipv4/tcp_output.c:3479
    [<0000000086adc219>] tcp_rcv_synsent_state_process net/ipv4/tcp_input.c:6240 [inline]
    [<0000000086adc219>] tcp_rcv_state_process+0x2293/0x4950 net/ipv4/tcp_input.c:6354
    [<0000000014074882>] tcp_v6_do_rcv+0x7b0/0x1290 net/ipv6/tcp_ipv6.c:1522
    [<00000000b299db73>] sk_backlog_rcv include/net/sock.h:1010 [inline]
    [<00000000b299db73>] __release_sock+0x139/0x3b0 net/core/sock.c:2525
    [<0000000054861ba3>] release_sock+0x54/0x1b0 net/core/sock.c:3055
    [<00000000db736c0d>] inet_wait_for_connect net/ipv4/af_inet.c:594 [inline]
    [<00000000db736c0d>] __inet_stream_connect+0x57e/0xd40 net/ipv4/af_inet.c:686
    [<0000000073f6ec2b>] inet_stream_connect+0x53/0xa0 net/ipv4/af_inet.c:725
    [<0000000036fe23da>] __sys_connect_file+0x157/0x1a0 net/socket.c:1839
    [<00000000f34fab91>] __sys_connect+0x161/0x190 net/socket.c:1856
    [<000000007692ac31>] __do_sys_connect net/socket.c:1866 [inline]
    [<000000007692ac31>] __se_sys_connect net/socket.c:1863 [inline]
    [<000000007692ac31>] __x64_sys_connect+0x6e/0xb0 net/socket.c:1863
    [<00000000d1b6cef8>] do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46
    [<000000002ca744b3>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: leak checking failed