Warning: Permanently added '10.128.0.204' (ECDSA) to the list of known hosts.
syzkaller login: [  133.625796][   T24] audit: type=1400 audit(1598038013.572:8): avc:  denied  { execmem } for  pid=6472 comm="syz-executor025" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1
executing program
executing program
[  147.115558][ T6472] kmemleak: 1 new suspected memory leaks (see /sys/kernel/debug/kmemleak)
BUG: memory leak
unreferenced object 0xffff888119b46800 (size 224):
  comm "syz-executor025", pid 6474, jiffies 4294951350 (age 12.460s)
  hex dump (first 32 bytes):
    a0 44 1d 1a 81 88 ff ff a0 44 1d 1a 81 88 ff ff  .D.......D......
    00 40 4c 18 81 88 ff ff 00 00 00 00 00 00 00 00  .@L.............
  backtrace:
    [<000000006662d5e5>] __build_skb+0x1f/0x100
    [<000000000a96df81>] __napi_alloc_skb+0xe5/0x140
    [<000000003ccfce41>] napi_get_frags+0x3a/0x70
    [<000000002c9c4b9f>] tun_get_user+0xa43/0x1660
    [<0000000059ff8f08>] tun_chr_write_iter+0x66/0xa0
    [<00000000b91ae098>] new_sync_write+0x173/0x210
    [<0000000053c93e02>] vfs_write+0x21d/0x280
    [<000000004b1afc1d>] ksys_write+0x72/0x120
    [<00000000669b9ca0>] do_syscall_64+0x2d/0x70
    [<0000000047935b69>] entry_SYSCALL_64_after_hwframe+0x44/0xa9