BUG: memory leak
unreferenced object 0xffff88801b3535f0 (size 368):
  comm "syz-executor.3", pid 5347, jiffies 4295082319 (age 27.115s)
  hex dump (first 32 bytes):
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
    55 00 00 00 00 00 00 00 1c c8 0f 08 00 00 00 00  U...............
  backtrace:
    [<00000000223e2ce8>] kmem_cache_zalloc include/linux/slab.h:705 [inline]
    [<00000000223e2ce8>] taskstats_tgid_alloc kernel/taskstats.c:561 [inline]
    [<00000000223e2ce8>] taskstats_exit+0x5c6/0xab0 kernel/taskstats.c:600
    [<000000008628af78>] do_exit+0x8a9/0x2830 kernel/exit.c:791
    [<0000000092170bff>] do_group_exit+0xd2/0x2f0 kernel/exit.c:935
    [<000000000adfdaa4>] __do_sys_exit_group kernel/exit.c:946 [inline]
    [<000000000adfdaa4>] __se_sys_exit_group kernel/exit.c:944 [inline]
    [<000000000adfdaa4>] __x64_sys_exit_group+0x3a/0x50 kernel/exit.c:944
    [<00000000bbfadb3d>] do_syscall_x64 arch/x86/entry/common.c:50 [inline]
    [<00000000bbfadb3d>] do_syscall_64+0x3b/0x90 arch/x86/entry/common.c:80
    [<00000000fece54cf>] entry_SYSCALL_64_after_hwframe+0x44/0xae

BUG: leak checking failed