BUG: memory leak
unreferenced object 0xffff88800d22ad80 (size 368):
  comm "syz-executor.2", pid 5441, jiffies 4295110917 (age 20.216s)
  hex dump (first 32 bytes):
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
    2a 00 00 00 00 00 00 00 21 4b 8f 03 00 00 00 00  *.......!K......
  backtrace:
    [<0000000083ec9292>] taskstats_exit+0x5c6/0xab0
    [<0000000093fd9986>] do_exit+0x87a/0x2810
    [<00000000b8ee453c>] do_group_exit+0xd2/0x2f0
    [<0000000079af30a4>] __x64_sys_exit_group+0x3a/0x50
    [<0000000081f63723>] do_syscall_64+0x3b/0x90
    [<00000000f4e5143b>] entry_SYSCALL_64_after_hwframe+0x44/0xae

BUG: leak checking failed