BUG: memory leak
unreferenced object 0xffff88801ce2dcb0 (size 368):
  comm "syz-executor.7", pid 5007, jiffies 4295101479 (age 27.311s)
  hex dump (first 32 bytes):
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
    16 00 00 00 00 00 00 00 de 12 7e 04 00 00 00 00  ..........~.....
  backtrace:
    [<000000003dad42b9>] kmem_cache_zalloc include/linux/slab.h:705 [inline]
    [<000000003dad42b9>] taskstats_tgid_alloc kernel/taskstats.c:561 [inline]
    [<000000003dad42b9>] taskstats_exit+0x5c6/0xac0 kernel/taskstats.c:600
    [<00000000cb016ba2>] do_exit+0x8b1/0x2840 kernel/exit.c:778
    [<00000000f36ee435>] do_group_exit+0x128/0x330 kernel/exit.c:932
    [<00000000a92c9820>] __do_sys_exit_group kernel/exit.c:943 [inline]
    [<00000000a92c9820>] __se_sys_exit_group kernel/exit.c:941 [inline]
    [<00000000a92c9820>] __x64_sys_exit_group+0x3a/0x50 kernel/exit.c:941
    [<000000008ae914ee>] do_syscall_x64 arch/x86/entry/common.c:50 [inline]
    [<000000008ae914ee>] do_syscall_64+0x3b/0x90 arch/x86/entry/common.c:80
    [<00000000f6698f4c>] entry_SYSCALL_64_after_hwframe+0x44/0xae

BUG: leak checking failed