executing program
executing program
BUG: memory leak
unreferenced object 0xffff88811890f700 (size 224):
  comm "syz-executor089", pid 6467, jiffies 4294947312 (age 13.280s)
  hex dump (first 32 bytes):
    a0 94 08 1a 81 88 ff ff a0 94 08 1a 81 88 ff ff  ................
    00 40 8a 27 81 88 ff ff 00 00 00 00 00 00 00 00  .@.'............
  backtrace:
    [<00000000e74c6bdb>] __build_skb+0x1f/0x100 net/core/skbuff.c:311
    [<00000000fae8cc56>] __napi_alloc_skb+0xe5/0x140 net/core/skbuff.c:523
    [<000000005bf78857>] napi_alloc_skb include/linux/skbuff.h:2856 [inline]
    [<000000005bf78857>] napi_get_frags net/core/dev.c:6053 [inline]
    [<000000005bf78857>] napi_get_frags+0x3a/0x70 net/core/dev.c:6048
    [<00000000e2b9500d>] tun_napi_alloc_frags drivers/net/tun.c:1425 [inline]
    [<00000000e2b9500d>] tun_get_user+0xa43/0x1660 drivers/net/tun.c:1789
    [<00000000ef3bcd4a>] tun_chr_write_iter+0x66/0xa0 drivers/net/tun.c:1986
    [<00000000a8045a6a>] call_write_iter include/linux/fs.h:1882 [inline]
    [<00000000a8045a6a>] do_iter_readv_writev+0x207/0x2d0 fs/read_write.c:713
    [<00000000fdb97826>] do_iter_write+0xac/0x230 fs/read_write.c:1018
    [<000000004ddccd5e>] vfs_writev+0xc1/0x120 fs/read_write.c:1091
    [<000000006733c8e4>] do_writev+0x83/0x170 fs/read_write.c:1134
    [<00000000760ce164>] do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
    [<00000000330a7966>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff88811992a700 (size 224):
  comm "syz-executor089", pid 6511, jiffies 4294947870 (age 7.700s)
  hex dump (first 32 bytes):
    a0 b4 9d 19 81 88 ff ff a0 b4 9d 19 81 88 ff ff  ................
    00 40 8a 27 81 88 ff ff 00 00 00 00 00 00 00 00  .@.'............
  backtrace:
    [<00000000e74c6bdb>] __build_skb+0x1f/0x100 net/core/skbuff.c:311
    [<00000000fae8cc56>] __napi_alloc_skb+0xe5/0x140 net/core/skbuff.c:523
    [<000000005bf78857>] napi_alloc_skb include/linux/skbuff.h:2856 [inline]
    [<000000005bf78857>] napi_get_frags net/core/dev.c:6053 [inline]
    [<000000005bf78857>] napi_get_frags+0x3a/0x70 net/core/dev.c:6048
    [<00000000e2b9500d>] tun_napi_alloc_frags drivers/net/tun.c:1425 [inline]
    [<00000000e2b9500d>] tun_get_user+0xa43/0x1660 drivers/net/tun.c:1789
    [<00000000ef3bcd4a>] tun_chr_write_iter+0x66/0xa0 drivers/net/tun.c:1986
    [<00000000a8045a6a>] call_write_iter include/linux/fs.h:1882 [inline]
    [<00000000a8045a6a>] do_iter_readv_writev+0x207/0x2d0 fs/read_write.c:713
    [<00000000fdb97826>] do_iter_write+0xac/0x230 fs/read_write.c:1018
    [<000000004ddccd5e>] vfs_writev+0xc1/0x120 fs/read_write.c:1091
    [<000000006733c8e4>] do_writev+0x83/0x170 fs/read_write.c:1134
    [<00000000760ce164>] do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
    [<00000000330a7966>] entry_SYSCALL_64_after_hwframe+0x44/0xa9