BUG: memory leak
unreferenced object 0xffff88800e961d40 (size 352):
  comm "syz-executor.7", pid 4388, jiffies 4294858329 (age 19.372s)
  hex dump (first 32 bytes):
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
    2c 00 00 00 00 00 00 00 b7 99 f3 01 00 00 00 00  ,...............
  backtrace:
    [<00000000bb243372>] kmem_cache_zalloc include/linux/slab.h:705 [inline]
    [<00000000bb243372>] taskstats_tgid_alloc kernel/taskstats.c:561 [inline]
    [<00000000bb243372>] taskstats_exit+0x5c6/0xac0 kernel/taskstats.c:600
    [<00000000fddcbf9c>] do_exit+0x994/0x2960 kernel/exit.c:817
    [<0000000077a46522>] do_group_exit+0x125/0x310 kernel/exit.c:929
    [<000000006ad80f32>] __do_sys_exit_group kernel/exit.c:940 [inline]
    [<000000006ad80f32>] __se_sys_exit_group kernel/exit.c:938 [inline]
    [<000000006ad80f32>] __x64_sys_exit_group+0x3a/0x50 kernel/exit.c:938
    [<00000000e5e3de88>] do_syscall_x64 arch/x86/entry/common.c:50 [inline]
    [<00000000e5e3de88>] do_syscall_64+0x3b/0x90 arch/x86/entry/common.c:80
    [<000000007e5c8730>] entry_SYSCALL_64_after_hwframe+0x44/0xae

BUG: leak checking failed