Warning: Permanently added '10.128.0.193' (ECDSA) to the list of known hosts.
syzkaller login: [   54.664186][   T24] audit: type=1400 audit(1598873602.063:8): avc:  denied  { execmem } for  pid=6466 comm="syz-executor115" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1
executing program
executing program
[   68.444160][ T6466] kmemleak: 1 new suspected memory leaks (see /sys/kernel/debug/kmemleak)
[   74.654685][ T6466] kmemleak: 1 new suspected memory leaks (see /sys/kernel/debug/kmemleak)
BUG: memory leak
unreferenced object 0xffff888119bf6a00 (size 224):
  comm "syz-executor115", pid 6468, jiffies 4294943464 (age 12.790s)
  hex dump (first 32 bytes):
    a0 24 d8 1d 81 88 ff ff a0 24 d8 1d 81 88 ff ff  .$.......$......
    00 80 94 1a 81 88 ff ff 00 00 00 00 00 00 00 00  ................
  backtrace:
    [<0000000048bc9cfb>] __build_skb+0x1f/0x100
    [<0000000039a29454>] __napi_alloc_skb+0xe5/0x140
    [<00000000c1add63c>] napi_get_frags+0x3a/0x70
    [<000000001ea41c88>] tun_get_user+0xa43/0x1660
    [<00000000409407b1>] tun_chr_write_iter+0x66/0xa0
    [<0000000056c322e3>] do_iter_readv_writev+0x207/0x2d0
    [<0000000099482459>] do_iter_write+0xac/0x230
    [<0000000030819ebc>] vfs_writev+0xc1/0x120
    [<0000000070e126c7>] do_writev+0x83/0x170
    [<00000000cd444c4c>] do_syscall_64+0x2d/0x70
    [<00000000eaa32641>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff88811c48fe00 (size 224):
  comm "syz-executor115", pid 6513, jiffies 4294944000 (age 7.430s)
  hex dump (first 32 bytes):
    a0 8c ff 2a 81 88 ff ff a0 8c ff 2a 81 88 ff ff  ...*.......*....
    00 80 94 1a 81 88 ff ff 00 00 00 00 00 00 00 00  ................
  backtrace:
    [<0000000048bc9cfb>] __build_skb+0x1f/0x100
    [<0000000039a29454>] __napi_alloc_skb+0xe5/0x140
    [<00000000c1add63c>] napi_get_frags+0x3a/0x70
    [<000000001ea41c88>] tun_get_user+0xa43/0x1660
    [<00000000409407b1>] tun_chr_write_iter+0x66/0xa0
    [<0000000056c322e3>] do_iter_readv_writev+0x207/0x2d0
    [<0000000099482459>] do_iter_write+0xac/0x230
    [<0000000030819ebc>] vfs_writev+0xc1/0x120
    [<0000000070e126c7>] do_writev+0x83/0x170
    [<00000000cd444c4c>] do_syscall_64+0x2d/0x70
    [<00000000eaa32641>] entry_SYSCALL_64_after_hwframe+0x44/0xa9