2020/08/25 08:38:44 executed programs: 15
2020/08/25 08:38:50 executed programs: 17
BUG: memory leak
unreferenced object 0xffff888118133100 (size 224):
  comm "syz-executor.0", pid 6815, jiffies 4294999005 (age 19.070s)
  hex dump (first 32 bytes):
    a0 b4 b2 13 81 88 ff ff a0 b4 b2 13 81 88 ff ff  ................
    00 c0 83 12 81 88 ff ff 00 00 00 00 00 00 00 00  ................
  backtrace:
    [<000000003e991904>] __build_skb+0x1f/0x100 net/core/skbuff.c:311
    [<00000000fccebe3b>] __napi_alloc_skb+0xe5/0x140 net/core/skbuff.c:523
    [<000000002858e078>] napi_alloc_skb include/linux/skbuff.h:2856 [inline]
    [<000000002858e078>] napi_get_frags net/core/dev.c:6053 [inline]
    [<000000002858e078>] napi_get_frags+0x3a/0x70 net/core/dev.c:6048
    [<0000000055d0a41c>] tun_napi_alloc_frags drivers/net/tun.c:1425 [inline]
    [<0000000055d0a41c>] tun_get_user+0xa43/0x1660 drivers/net/tun.c:1789
    [<0000000045561623>] tun_chr_write_iter+0x66/0xa0 drivers/net/tun.c:1986
    [<00000000836ffab0>] call_write_iter include/linux/fs.h:1882 [inline]
    [<00000000836ffab0>] new_sync_write+0x173/0x210 fs/read_write.c:503
    [<00000000d73e9797>] vfs_write+0x21d/0x280 fs/read_write.c:578
    [<00000000536b07a2>] ksys_write+0x72/0x120 fs/read_write.c:631
    [<000000007cc0890f>] do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
    [<00000000367e053b>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff888112e97a00 (size 224):
  comm "syz-executor.0", pid 6833, jiffies 4294999570 (age 13.420s)
  hex dump (first 32 bytes):
    a0 4c 25 2b 81 88 ff ff a0 4c 25 2b 81 88 ff ff  .L%+.....L%+....
    00 40 fd 12 81 88 ff ff 00 00 00 00 00 00 00 00  .@..............
  backtrace:
    [<000000003e991904>] __build_skb+0x1f/0x100 net/core/skbuff.c:311
    [<00000000fccebe3b>] __napi_alloc_skb+0xe5/0x140 net/core/skbuff.c:523
    [<000000002858e078>] napi_alloc_skb include/linux/skbuff.h:2856 [inline]
    [<000000002858e078>] napi_get_frags net/core/dev.c:6053 [inline]
    [<000000002858e078>] napi_get_frags+0x3a/0x70 net/core/dev.c:6048
    [<0000000055d0a41c>] tun_napi_alloc_frags drivers/net/tun.c:1425 [inline]
    [<0000000055d0a41c>] tun_get_user+0xa43/0x1660 drivers/net/tun.c:1789
    [<0000000045561623>] tun_chr_write_iter+0x66/0xa0 drivers/net/tun.c:1986
    [<00000000836ffab0>] call_write_iter include/linux/fs.h:1882 [inline]
    [<00000000836ffab0>] new_sync_write+0x173/0x210 fs/read_write.c:503
    [<00000000d73e9797>] vfs_write+0x21d/0x280 fs/read_write.c:578
    [<00000000536b07a2>] ksys_write+0x72/0x120 fs/read_write.c:631
    [<000000007cc0890f>] do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
    [<00000000367e053b>] entry_SYSCALL_64_after_hwframe+0x44/0xa9