Warning: Permanently added '10.128.0.240' (ECDSA) to the list of known hosts.
syzkaller login: [  103.482475][   T24] audit: type=1400 audit(1597973852.349:8): avc:  denied  { execmem } for  pid=6469 comm="syz-executor164" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1
executing program
executing program
[  117.597775][ T6469] kmemleak: 1 new suspected memory leaks (see /sys/kernel/debug/kmemleak)
BUG: memory leak
unreferenced object 0xffff888118e81e00 (size 224):
  comm "syz-executor164", pid 6471, jiffies 4294948362 (age 13.140s)
  hex dump (first 32 bytes):
    a0 7c 53 2a 81 88 ff ff a0 7c 53 2a 81 88 ff ff  .|S*.....|S*....
    00 40 c1 24 81 88 ff ff 00 00 00 00 00 00 00 00  .@.$............
  backtrace:
    [<00000000264d3f17>] __build_skb+0x1f/0x100
    [<00000000cee9ca38>] __napi_alloc_skb+0xe5/0x140
    [<0000000077c495c5>] napi_get_frags+0x3a/0x70
    [<000000001f7a4daf>] tun_get_user+0xa43/0x1660
    [<000000002e515728>] tun_chr_write_iter+0x66/0xa0
    [<00000000f3139c6a>] new_sync_write+0x173/0x210
    [<000000006f73a7e3>] vfs_write+0x21d/0x280
    [<00000000cb918094>] ksys_write+0x72/0x120
    [<00000000d0cfa275>] do_syscall_64+0x2d/0x70
    [<000000007144e646>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff888118e81500 (size 224):
  comm "syz-executor164", pid 6516, jiffies 4294948914 (age 7.620s)
  hex dump (first 32 bytes):
    a0 e4 c5 18 81 88 ff ff a0 e4 c5 18 81 88 ff ff  ................
    00 80 01 15 81 88 ff ff 00 00 00 00 00 00 00 00  ................
  backtrace:
    [<00000000264d3f17>] __build_skb+0x1f/0x100
    [<00000000cee9ca38>] __napi_alloc_skb+0xe5/0x140
    [<0000000077c495c5>] napi_get_frags+0x3a/0x70
    [<000000001f7a4daf>] tun_get_user+0xa43/0x1660
    [<000000002e515728>] tun_chr_write_iter+0x66/0xa0
    [<00000000f3139c6a>] new_sync_write+0x173/0x210
    [<000000006f73a7e3>] vfs_write+0x21d/0x280
    [<00000000cb918094>] ksys_write+0x72/0x120
    [<00000000d0cfa275>] do_syscall_64+0x2d/0x70
    [<000000007144e646>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

[  123.941376][ T6469] kmemleak: 1 new suspected memory leaks (see /sys/kernel/debug/kmemleak)