executing program
executing program
BUG: memory leak
unreferenced object 0xffff88811c533500 (size 224):
  comm "syz-executor310", pid 6480, jiffies 4294945156 (age 13.300s)
  hex dump (first 32 bytes):
    a0 bc 4d 18 81 88 ff ff a0 bc 4d 18 81 88 ff ff  ..M.......M.....
    00 00 b4 2a 81 88 ff ff 00 00 00 00 00 00 00 00  ...*............
  backtrace:
    [<00000000660cc643>] __build_skb+0x1f/0x100 net/core/skbuff.c:311
    [<000000005d72f582>] __napi_alloc_skb+0xe5/0x140 net/core/skbuff.c:523
    [<000000008b1b73c8>] napi_alloc_skb include/linux/skbuff.h:2856 [inline]
    [<000000008b1b73c8>] napi_get_frags net/core/dev.c:6053 [inline]
    [<000000008b1b73c8>] napi_get_frags+0x3a/0x70 net/core/dev.c:6048
    [<00000000d8726960>] tun_napi_alloc_frags drivers/net/tun.c:1425 [inline]
    [<00000000d8726960>] tun_get_user+0xa43/0x1660 drivers/net/tun.c:1789
    [<00000000df528861>] tun_chr_write_iter+0x66/0xa0 drivers/net/tun.c:1986
    [<000000003a8abd69>] call_write_iter include/linux/fs.h:1882 [inline]
    [<000000003a8abd69>] new_sync_write+0x173/0x210 fs/read_write.c:503
    [<00000000af58bec7>] __kernel_write+0x140/0x1f0 fs/read_write.c:530
    [<00000000f7cb733f>] write_pipe_buf+0x61/0x80 fs/splice.c:799
    [<00000000d3f1b138>] splice_from_pipe_feed fs/splice.c:502 [inline]
    [<00000000d3f1b138>] __splice_from_pipe+0x154/0x290 fs/splice.c:626
    [<00000000a0ddfad0>] splice_from_pipe fs/splice.c:661 [inline]
    [<00000000a0ddfad0>] default_file_splice_write fs/splice.c:811 [inline]
    [<00000000a0ddfad0>] do_splice_from fs/splice.c:847 [inline]
    [<00000000a0ddfad0>] do_splice+0x772/0x8d0 fs/splice.c:1144
    [<0000000081acb7c1>] __do_sys_splice fs/splice.c:1419 [inline]
    [<0000000081acb7c1>] __se_sys_splice fs/splice.c:1401 [inline]
    [<0000000081acb7c1>] __x64_sys_splice+0xaa/0x110 fs/splice.c:1401
    [<0000000004d683bb>] do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
    [<000000008f18880e>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff888119227200 (size 224):
  comm "syz-executor310", pid 6529, jiffies 4294945713 (age 7.730s)
  hex dump (first 32 bytes):
    a0 d4 f1 1c 81 88 ff ff a0 d4 f1 1c 81 88 ff ff  ................
    00 80 1e 1b 81 88 ff ff 00 00 00 00 00 00 00 00  ................
  backtrace:
    [<00000000660cc643>] __build_skb+0x1f/0x100 net/core/skbuff.c:311
    [<000000005d72f582>] __napi_alloc_skb+0xe5/0x140 net/core/skbuff.c:523
    [<000000008b1b73c8>] napi_alloc_skb include/linux/skbuff.h:2856 [inline]
    [<000000008b1b73c8>] napi_get_frags net/core/dev.c:6053 [inline]
    [<000000008b1b73c8>] napi_get_frags+0x3a/0x70 net/core/dev.c:6048
    [<00000000d8726960>] tun_napi_alloc_frags drivers/net/tun.c:1425 [inline]
    [<00000000d8726960>] tun_get_user+0xa43/0x1660 drivers/net/tun.c:1789
    [<00000000df528861>] tun_chr_write_iter+0x66/0xa0 drivers/net/tun.c:1986
    [<000000003a8abd69>] call_write_iter include/linux/fs.h:1882 [inline]
    [<000000003a8abd69>] new_sync_write+0x173/0x210 fs/read_write.c:503
    [<00000000af58bec7>] __kernel_write+0x140/0x1f0 fs/read_write.c:530
    [<00000000f7cb733f>] write_pipe_buf+0x61/0x80 fs/splice.c:799
    [<00000000d3f1b138>] splice_from_pipe_feed fs/splice.c:502 [inline]
    [<00000000d3f1b138>] __splice_from_pipe+0x154/0x290 fs/splice.c:626
    [<00000000a0ddfad0>] splice_from_pipe fs/splice.c:661 [inline]
    [<00000000a0ddfad0>] default_file_splice_write fs/splice.c:811 [inline]
    [<00000000a0ddfad0>] do_splice_from fs/splice.c:847 [inline]
    [<00000000a0ddfad0>] do_splice+0x772/0x8d0 fs/splice.c:1144
    [<0000000081acb7c1>] __do_sys_splice fs/splice.c:1419 [inline]
    [<0000000081acb7c1>] __se_sys_splice fs/splice.c:1401 [inline]
    [<0000000081acb7c1>] __x64_sys_splice+0xaa/0x110 fs/splice.c:1401
    [<0000000004d683bb>] do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
    [<000000008f18880e>] entry_SYSCALL_64_after_hwframe+0x44/0xa9