executing program
executing program
BUG: memory leak
unreferenced object 0xffff888119ac2200 (size 224):
  comm "syz-executor194", pid 6506, jiffies 4294944540 (age 12.690s)
  hex dump (first 32 bytes):
    a0 4c b3 18 81 88 ff ff a0 4c b3 18 81 88 ff ff  .L.......L......
    00 c0 da 1b 81 88 ff ff 00 00 00 00 00 00 00 00  ................
  backtrace:
    [<000000006ef6ff8f>] __build_skb+0x1f/0x100 net/core/skbuff.c:311
    [<0000000003f80945>] __napi_alloc_skb+0xe5/0x140 net/core/skbuff.c:523
    [<000000007403396b>] napi_alloc_skb include/linux/skbuff.h:2856 [inline]
    [<000000007403396b>] napi_get_frags net/core/dev.c:6053 [inline]
    [<000000007403396b>] napi_get_frags+0x3a/0x70 net/core/dev.c:6048
    [<0000000087d581a8>] tun_napi_alloc_frags drivers/net/tun.c:1425 [inline]
    [<0000000087d581a8>] tun_get_user+0xa43/0x1660 drivers/net/tun.c:1789
    [<000000005b358369>] tun_chr_write_iter+0x66/0xa0 drivers/net/tun.c:1986
    [<000000000119746b>] call_write_iter include/linux/fs.h:1882 [inline]
    [<000000000119746b>] new_sync_write+0x173/0x210 fs/read_write.c:503
    [<000000007dfaa3f7>] __kernel_write+0x140/0x1f0 fs/read_write.c:530
    [<000000001fb3f926>] write_pipe_buf+0x61/0x80 fs/splice.c:799
    [<00000000517da55c>] splice_from_pipe_feed fs/splice.c:502 [inline]
    [<00000000517da55c>] __splice_from_pipe+0x154/0x290 fs/splice.c:626
    [<000000000d13b5bc>] splice_from_pipe fs/splice.c:661 [inline]
    [<000000000d13b5bc>] default_file_splice_write fs/splice.c:811 [inline]
    [<000000000d13b5bc>] do_splice_from fs/splice.c:847 [inline]
    [<000000000d13b5bc>] do_splice+0x772/0x8d0 fs/splice.c:1144
    [<00000000bb9ef0bb>] __do_sys_splice fs/splice.c:1419 [inline]
    [<00000000bb9ef0bb>] __se_sys_splice fs/splice.c:1401 [inline]
    [<00000000bb9ef0bb>] __x64_sys_splice+0xaa/0x110 fs/splice.c:1401
    [<00000000d6c059b3>] do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
    [<00000000ba342a4c>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff888119a5b500 (size 224):
  comm "syz-executor194", pid 6552, jiffies 4294945072 (age 7.370s)
  hex dump (first 32 bytes):
    a0 a4 d2 28 81 88 ff ff a0 a4 d2 28 81 88 ff ff  ...(.......(....
    00 c0 da 1b 81 88 ff ff 00 00 00 00 00 00 00 00  ................
  backtrace:
    [<000000006ef6ff8f>] __build_skb+0x1f/0x100 net/core/skbuff.c:311
    [<0000000003f80945>] __napi_alloc_skb+0xe5/0x140 net/core/skbuff.c:523
    [<000000007403396b>] napi_alloc_skb include/linux/skbuff.h:2856 [inline]
    [<000000007403396b>] napi_get_frags net/core/dev.c:6053 [inline]
    [<000000007403396b>] napi_get_frags+0x3a/0x70 net/core/dev.c:6048
    [<0000000087d581a8>] tun_napi_alloc_frags drivers/net/tun.c:1425 [inline]
    [<0000000087d581a8>] tun_get_user+0xa43/0x1660 drivers/net/tun.c:1789
    [<000000005b358369>] tun_chr_write_iter+0x66/0xa0 drivers/net/tun.c:1986
    [<000000000119746b>] call_write_iter include/linux/fs.h:1882 [inline]
    [<000000000119746b>] new_sync_write+0x173/0x210 fs/read_write.c:503
    [<000000007dfaa3f7>] __kernel_write+0x140/0x1f0 fs/read_write.c:530
    [<000000001fb3f926>] write_pipe_buf+0x61/0x80 fs/splice.c:799
    [<00000000517da55c>] splice_from_pipe_feed fs/splice.c:502 [inline]
    [<00000000517da55c>] __splice_from_pipe+0x154/0x290 fs/splice.c:626
    [<000000000d13b5bc>] splice_from_pipe fs/splice.c:661 [inline]
    [<000000000d13b5bc>] default_file_splice_write fs/splice.c:811 [inline]
    [<000000000d13b5bc>] do_splice_from fs/splice.c:847 [inline]
    [<000000000d13b5bc>] do_splice+0x772/0x8d0 fs/splice.c:1144
    [<00000000bb9ef0bb>] __do_sys_splice fs/splice.c:1419 [inline]
    [<00000000bb9ef0bb>] __se_sys_splice fs/splice.c:1401 [inline]
    [<00000000bb9ef0bb>] __x64_sys_splice+0xaa/0x110 fs/splice.c:1401
    [<00000000d6c059b3>] do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
    [<00000000ba342a4c>] entry_SYSCALL_64_after_hwframe+0x44/0xa9