BUG: memory leak
unreferenced object 0xffff888041b94820 (size 352):
  comm "syz-executor.3", pid 6687, jiffies 4295368584 (age 20.306s)
  hex dump (first 32 bytes):
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
    38 00 00 00 00 00 00 00 90 36 16 09 00 00 00 00  8........6......
  backtrace:
    [<000000008ac38849>] kmem_cache_zalloc include/linux/slab.h:705 [inline]
    [<000000008ac38849>] taskstats_tgid_alloc kernel/taskstats.c:561 [inline]
    [<000000008ac38849>] taskstats_exit+0x5c6/0xac0 kernel/taskstats.c:600
    [<00000000f20f7cee>] do_exit+0x8b1/0x2840 kernel/exit.c:778
    [<00000000c0967f79>] do_group_exit+0x125/0x310 kernel/exit.c:928
    [<000000004a6f7252>] __do_sys_exit_group kernel/exit.c:939 [inline]
    [<000000004a6f7252>] __se_sys_exit_group kernel/exit.c:937 [inline]
    [<000000004a6f7252>] __x64_sys_exit_group+0x3a/0x50 kernel/exit.c:937
    [<0000000004de73a0>] do_syscall_x64 arch/x86/entry/common.c:50 [inline]
    [<0000000004de73a0>] do_syscall_64+0x3b/0x90 arch/x86/entry/common.c:80
    [<00000000a74df145>] entry_SYSCALL_64_after_hwframe+0x44/0xae

BUG: leak checking failed