executing program
executing program
executing program
BUG: memory leak
unreferenced object 0xffff888118d65600 (size 224):
  comm "syz-executor587", pid 6509, jiffies 4294942308 (age 12.990s)
  hex dump (first 32 bytes):
    a0 7c 6f 1e 81 88 ff ff a0 7c 6f 1e 81 88 ff ff  .|o......|o.....
    00 40 62 15 81 88 ff ff 00 00 00 00 00 00 00 00  .@b.............
  backtrace:
    [<000000005f1f2253>] __build_skb+0x1f/0x100 net/core/skbuff.c:311
    [<0000000077e4db58>] __napi_alloc_skb+0xe5/0x140 net/core/skbuff.c:523
    [<00000000c54e63ed>] napi_alloc_skb include/linux/skbuff.h:2856 [inline]
    [<00000000c54e63ed>] napi_get_frags net/core/dev.c:6053 [inline]
    [<00000000c54e63ed>] napi_get_frags+0x3a/0x70 net/core/dev.c:6048
    [<000000008477b6b6>] tun_napi_alloc_frags drivers/net/tun.c:1425 [inline]
    [<000000008477b6b6>] tun_get_user+0xa43/0x1660 drivers/net/tun.c:1789
    [<000000003e6656fb>] tun_chr_write_iter+0x66/0xa0 drivers/net/tun.c:1986
    [<00000000a2b422c8>] call_write_iter include/linux/fs.h:1882 [inline]
    [<00000000a2b422c8>] new_sync_write+0x173/0x210 fs/read_write.c:503
    [<0000000017d87a21>] __kernel_write+0x140/0x1f0 fs/read_write.c:530
    [<0000000001ebe711>] write_pipe_buf+0x61/0x80 fs/splice.c:799
    [<000000001b3e1dec>] splice_from_pipe_feed fs/splice.c:502 [inline]
    [<000000001b3e1dec>] __splice_from_pipe+0x154/0x290 fs/splice.c:626
    [<000000007bb49dd1>] splice_from_pipe fs/splice.c:661 [inline]
    [<000000007bb49dd1>] default_file_splice_write fs/splice.c:811 [inline]
    [<000000007bb49dd1>] do_splice_from fs/splice.c:847 [inline]
    [<000000007bb49dd1>] do_splice+0x772/0x8d0 fs/splice.c:1144
    [<0000000074135cf6>] __do_sys_splice fs/splice.c:1419 [inline]
    [<0000000074135cf6>] __se_sys_splice fs/splice.c:1401 [inline]
    [<0000000074135cf6>] __x64_sys_splice+0xaa/0x110 fs/splice.c:1401
    [<000000007e2ba13a>] do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
    [<00000000808d4f22>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff88811a351900 (size 224):
  comm "syz-executor587", pid 6555, jiffies 4294942850 (age 7.570s)
  hex dump (first 32 bytes):
    a0 0c 7a 1c 81 88 ff ff a0 0c 7a 1c 81 88 ff ff  ..z.......z.....
    00 40 62 15 81 88 ff ff 00 00 00 00 00 00 00 00  .@b.............
  backtrace:
    [<000000005f1f2253>] __build_skb+0x1f/0x100 net/core/skbuff.c:311
    [<0000000077e4db58>] __napi_alloc_skb+0xe5/0x140 net/core/skbuff.c:523
    [<00000000c54e63ed>] napi_alloc_skb include/linux/skbuff.h:2856 [inline]
    [<00000000c54e63ed>] napi_get_frags net/core/dev.c:6053 [inline]
    [<00000000c54e63ed>] napi_get_frags+0x3a/0x70 net/core/dev.c:6048
    [<000000008477b6b6>] tun_napi_alloc_frags drivers/net/tun.c:1425 [inline]
    [<000000008477b6b6>] tun_get_user+0xa43/0x1660 drivers/net/tun.c:1789
    [<000000003e6656fb>] tun_chr_write_iter+0x66/0xa0 drivers/net/tun.c:1986
    [<00000000a2b422c8>] call_write_iter include/linux/fs.h:1882 [inline]
    [<00000000a2b422c8>] new_sync_write+0x173/0x210 fs/read_write.c:503
    [<0000000017d87a21>] __kernel_write+0x140/0x1f0 fs/read_write.c:530
    [<0000000001ebe711>] write_pipe_buf+0x61/0x80 fs/splice.c:799
    [<000000001b3e1dec>] splice_from_pipe_feed fs/splice.c:502 [inline]
    [<000000001b3e1dec>] __splice_from_pipe+0x154/0x290 fs/splice.c:626
    [<000000007bb49dd1>] splice_from_pipe fs/splice.c:661 [inline]
    [<000000007bb49dd1>] default_file_splice_write fs/splice.c:811 [inline]
    [<000000007bb49dd1>] do_splice_from fs/splice.c:847 [inline]
    [<000000007bb49dd1>] do_splice+0x772/0x8d0 fs/splice.c:1144
    [<0000000074135cf6>] __do_sys_splice fs/splice.c:1419 [inline]
    [<0000000074135cf6>] __se_sys_splice fs/splice.c:1401 [inline]
    [<0000000074135cf6>] __x64_sys_splice+0xaa/0x110 fs/splice.c:1401
    [<000000007e2ba13a>] do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
    [<00000000808d4f22>] entry_SYSCALL_64_after_hwframe+0x44/0xa9