BUG: memory leak
unreferenced object 0xffff8880416fc360 (size 368):
  comm "syz-executor.2", pid 5078, jiffies 4294948734 (age 38.163s)
  hex dump (first 32 bytes):
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
    2d 00 00 00 00 00 00 00 95 7c b9 01 00 00 00 00  -........|......
  backtrace:
    [<00000000ae6b28c5>] kmem_cache_zalloc include/linux/slab.h:705 [inline]
    [<00000000ae6b28c5>] taskstats_tgid_alloc kernel/taskstats.c:561 [inline]
    [<00000000ae6b28c5>] taskstats_exit+0x5c6/0xab0 kernel/taskstats.c:600
    [<0000000051adbfb5>] do_exit+0x8a9/0x2830 kernel/exit.c:791
    [<00000000d736a2c0>] do_group_exit+0xd2/0x2f0 kernel/exit.c:935
    [<0000000056d18f5d>] __do_sys_exit_group kernel/exit.c:946 [inline]
    [<0000000056d18f5d>] __se_sys_exit_group kernel/exit.c:944 [inline]
    [<0000000056d18f5d>] __x64_sys_exit_group+0x3a/0x50 kernel/exit.c:944
    [<00000000206312a4>] do_syscall_x64 arch/x86/entry/common.c:50 [inline]
    [<00000000206312a4>] do_syscall_64+0x3b/0x90 arch/x86/entry/common.c:80
    [<0000000041bd6f72>] entry_SYSCALL_64_after_hwframe+0x44/0xae

BUG: leak checking failed