Warning: Permanently added '10.128.0.2' (ECDSA) to the list of known hosts.
syzkaller login: [   64.614390][   T24] audit: type=1400 audit(1598391164.154:8): avc:  denied  { execmem } for  pid=6483 comm="syz-executor763" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1
executing program
executing program
[   79.082271][ T6483] kmemleak: 2 new suspected memory leaks (see /sys/kernel/debug/kmemleak)
BUG: memory leak
unreferenced object 0xffff88811979db00 (size 224):
  comm "syz-executor763", pid 6484, jiffies 4294944519 (age 12.940s)
  hex dump (first 32 bytes):
    a0 14 a7 18 81 88 ff ff a0 14 a7 18 81 88 ff ff  ................
    00 40 d6 19 81 88 ff ff 00 00 00 00 00 00 00 00  .@..............
  backtrace:
    [<000000000a20945d>] __build_skb+0x1f/0x100
    [<00000000ea4b233e>] __napi_alloc_skb+0xe5/0x140
    [<00000000b8b63e5b>] napi_get_frags+0x3a/0x70
    [<0000000070fab16d>] tun_get_user+0xa43/0x1660
    [<00000000683e5d4c>] tun_chr_write_iter+0x66/0xa0
    [<000000005c1bb210>] new_sync_write+0x173/0x210
    [<00000000279772e7>] __kernel_write+0x140/0x1f0
    [<00000000c0fff569>] write_pipe_buf+0x61/0x80
    [<00000000fade64b4>] __splice_from_pipe+0x154/0x290
    [<00000000f81ad189>] do_splice+0x772/0x8d0
    [<00000000a08a2dbd>] __x64_sys_splice+0xaa/0x110
    [<00000000a57bb725>] do_syscall_64+0x2d/0x70
    [<00000000967f7d09>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff888118194800 (size 1024):
  comm "syz-executor763", pid 6484, jiffies 4294944519 (age 12.940s)
  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:
    [<00000000ea70c5dd>] pskb_expand_head+0x8e/0x480
    [<0000000097172e29>] tun_get_user+0xd71/0x1660
    [<00000000683e5d4c>] tun_chr_write_iter+0x66/0xa0
    [<000000005c1bb210>] new_sync_write+0x173/0x210
    [<00000000279772e7>] __kernel_write+0x140/0x1f0
    [<00000000c0fff569>] write_pipe_buf+0x61/0x80
    [<00000000fade64b4>] __splice_from_pipe+0x154/0x290
    [<00000000f81ad189>] do_splice+0x772/0x8d0
    [<00000000a08a2dbd>] __x64_sys_splice+0xaa/0x110
    [<00000000a57bb725>] do_syscall_64+0x2d/0x70
    [<00000000967f7d09>] entry_SYSCALL_64_after_hwframe+0x44/0xa9