executing program
executing program
BUG: memory leak
unreferenced object 0xffff88810e462a00 (size 232):
  comm "sshd", pid 8384, jiffies 4294947538 (age 39.160s)
  hex dump (first 32 bytes):
    a0 84 9f 10 81 88 ff ff a0 84 9f 10 81 88 ff ff  ................
    00 40 45 0f 81 88 ff ff 00 00 00 00 00 00 00 00  .@E.............
  backtrace:
    [<ffffffff8364ceff>] __alloc_skb+0x20f/0x280 net/core/skbuff.c:412
    [<ffffffff8397e8aa>] alloc_skb include/linux/skbuff.h:1103 [inline]
    [<ffffffff8397e8aa>] __tcp_send_ack.part.0+0x3a/0x1e0 net/ipv4/tcp_output.c:3948
    [<ffffffff83983862>] __tcp_send_ack net/ipv4/tcp_output.c:3980 [inline]
    [<ffffffff83983862>] tcp_send_ack+0x32/0x40 net/ipv4/tcp_output.c:3980
    [<ffffffff8395ec7c>] tcp_cleanup_rbuf+0x1cc/0x220 net/ipv4/tcp.c:1597
    [<ffffffff8395f9f9>] tcp_recvmsg_locked+0x409/0xff0 net/ipv4/tcp.c:2519
    [<ffffffff83960688>] tcp_recvmsg+0xa8/0x310 net/ipv4/tcp.c:2549
    [<ffffffff839b7d57>] inet_recvmsg+0x87/0x190 net/ipv4/af_inet.c:852
    [<ffffffff8363dc4f>] sock_recvmsg_nosec net/socket.c:888 [inline]
    [<ffffffff8363dc4f>] sock_recvmsg net/socket.c:906 [inline]
    [<ffffffff8363dc4f>] sock_recvmsg net/socket.c:902 [inline]
    [<ffffffff8363dc4f>] sock_read_iter+0x15f/0x1b0 net/socket.c:979
    [<ffffffff815457be>] call_read_iter include/linux/fs.h:1971 [inline]
    [<ffffffff815457be>] new_sync_read+0x2ae/0x2f0 fs/read_write.c:415
    [<ffffffff81548c2b>] vfs_read+0x1bb/0x290 fs/read_write.c:496
    [<ffffffff8154922b>] ksys_read+0x12b/0x160 fs/read_write.c:634
    [<ffffffff842e1f5d>] do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
    [<ffffffff84400068>] entry_SYSCALL_64_after_hwframe+0x44/0xae

BUG: memory leak
unreferenced object 0xffff8881082fbc00 (size 1024):
  comm "syz-executor495", pid 8434, jiffies 4294949435 (age 20.190s)
  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:
    [<ffffffff8364cdcf>] kmalloc_reserve net/core/skbuff.c:353 [inline]
    [<ffffffff8364cdcf>] __alloc_skb+0xdf/0x280 net/core/skbuff.c:424
    [<ffffffff8364cfd7>] __napi_alloc_skb+0x67/0x170 net/core/skbuff.c:565
    [<ffffffff8366ef6c>] napi_alloc_skb include/linux/skbuff.h:2921 [inline]
    [<ffffffff8366ef6c>] napi_get_frags net/core/dev.c:6184 [inline]
    [<ffffffff8366ef6c>] napi_get_frags+0x3c/0x80 net/core/dev.c:6179
    [<ffffffff828798ed>] tun_napi_alloc_frags drivers/net/tun.c:1379 [inline]
    [<ffffffff828798ed>] tun_get_user+0xfcd/0x1b30 drivers/net/tun.c:1738
    [<ffffffff8287a4d4>] tun_chr_write_iter+0x84/0xe0 drivers/net/tun.c:1934
    [<ffffffff815459d7>] call_write_iter include/linux/fs.h:1977 [inline]
    [<ffffffff815459d7>] new_sync_write+0x1d7/0x2b0 fs/read_write.c:518
    [<ffffffff81549051>] vfs_write+0x351/0x400 fs/read_write.c:605
    [<ffffffff8154933d>] ksys_write+0x9d/0x160 fs/read_write.c:658
    [<ffffffff842e1f5d>] do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
    [<ffffffff84400068>] entry_SYSCALL_64_after_hwframe+0x44/0xae