executing program
executing program
BUG: memory leak
unreferenced object 0xffff88811c7b1200 (size 224):
  comm "syz-executor440", pid 6455, jiffies 4294942988 (age 13.010s)
  hex dump (first 32 bytes):
    a0 9c 30 1a 81 88 ff ff a0 9c 30 1a 81 88 ff ff  ..0.......0.....
    00 80 2d 17 81 88 ff ff 00 00 00 00 00 00 00 00  ..-.............
  backtrace:
    [<00000000be698c95>] __build_skb+0x1f/0x100 net/core/skbuff.c:311
    [<000000003cc15849>] __napi_alloc_skb+0xe5/0x140 net/core/skbuff.c:523
    [<0000000096e9a2ba>] napi_alloc_skb include/linux/skbuff.h:2856 [inline]
    [<0000000096e9a2ba>] napi_get_frags net/core/dev.c:6053 [inline]
    [<0000000096e9a2ba>] napi_get_frags+0x3a/0x70 net/core/dev.c:6048
    [<0000000000c04d37>] tun_napi_alloc_frags drivers/net/tun.c:1425 [inline]
    [<0000000000c04d37>] tun_get_user+0xa43/0x1660 drivers/net/tun.c:1789
    [<000000004e9dce91>] tun_chr_write_iter+0x66/0xa0 drivers/net/tun.c:1986
    [<00000000b471dea0>] call_write_iter include/linux/fs.h:1882 [inline]
    [<00000000b471dea0>] new_sync_write+0x173/0x210 fs/read_write.c:503
    [<00000000b36e280d>] __kernel_write+0x140/0x1f0 fs/read_write.c:530
    [<00000000eb03c455>] write_pipe_buf+0x61/0x80 fs/splice.c:799
    [<0000000077301682>] splice_from_pipe_feed fs/splice.c:502 [inline]
    [<0000000077301682>] __splice_from_pipe+0x154/0x290 fs/splice.c:626
    [<0000000027545758>] splice_from_pipe fs/splice.c:661 [inline]
    [<0000000027545758>] default_file_splice_write fs/splice.c:811 [inline]
    [<0000000027545758>] do_splice_from fs/splice.c:847 [inline]
    [<0000000027545758>] do_splice+0x772/0x8d0 fs/splice.c:1144
    [<000000008411fa75>] __do_sys_splice fs/splice.c:1419 [inline]
    [<000000008411fa75>] __se_sys_splice fs/splice.c:1401 [inline]
    [<000000008411fa75>] __x64_sys_splice+0xaa/0x110 fs/splice.c:1401
    [<0000000028f65f16>] do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
    [<00000000d99fe977>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff888118db0300 (size 224):
  comm "syz-executor440", pid 6501, jiffies 4294943534 (age 7.550s)
  hex dump (first 32 bytes):
    a0 f4 ab 18 81 88 ff ff a0 f4 ab 18 81 88 ff ff  ................
    00 80 2d 17 81 88 ff ff 00 00 00 00 00 00 00 00  ..-.............
  backtrace:
    [<00000000be698c95>] __build_skb+0x1f/0x100 net/core/skbuff.c:311
    [<000000003cc15849>] __napi_alloc_skb+0xe5/0x140 net/core/skbuff.c:523
    [<0000000096e9a2ba>] napi_alloc_skb include/linux/skbuff.h:2856 [inline]
    [<0000000096e9a2ba>] napi_get_frags net/core/dev.c:6053 [inline]
    [<0000000096e9a2ba>] napi_get_frags+0x3a/0x70 net/core/dev.c:6048
    [<0000000000c04d37>] tun_napi_alloc_frags drivers/net/tun.c:1425 [inline]
    [<0000000000c04d37>] tun_get_user+0xa43/0x1660 drivers/net/tun.c:1789
    [<000000004e9dce91>] tun_chr_write_iter+0x66/0xa0 drivers/net/tun.c:1986
    [<00000000b471dea0>] call_write_iter include/linux/fs.h:1882 [inline]
    [<00000000b471dea0>] new_sync_write+0x173/0x210 fs/read_write.c:503
    [<00000000b36e280d>] __kernel_write+0x140/0x1f0 fs/read_write.c:530
    [<00000000eb03c455>] write_pipe_buf+0x61/0x80 fs/splice.c:799
    [<0000000077301682>] splice_from_pipe_feed fs/splice.c:502 [inline]
    [<0000000077301682>] __splice_from_pipe+0x154/0x290 fs/splice.c:626
    [<0000000027545758>] splice_from_pipe fs/splice.c:661 [inline]
    [<0000000027545758>] default_file_splice_write fs/splice.c:811 [inline]
    [<0000000027545758>] do_splice_from fs/splice.c:847 [inline]
    [<0000000027545758>] do_splice+0x772/0x8d0 fs/splice.c:1144
    [<000000008411fa75>] __do_sys_splice fs/splice.c:1419 [inline]
    [<000000008411fa75>] __se_sys_splice fs/splice.c:1401 [inline]
    [<000000008411fa75>] __x64_sys_splice+0xaa/0x110 fs/splice.c:1401
    [<0000000028f65f16>] do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
    [<00000000d99fe977>] entry_SYSCALL_64_after_hwframe+0x44/0xa9