BUG: memory leak
unreferenced object 0xffff888017868d80 (size 1544):
  comm "syz-executor.0", pid 293, jiffies 4295043019 (age 36.766s)
  hex dump (first 32 bytes):
    01 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
    90 8d 86 17 80 88 ff ff 90 8d 86 17 80 88 ff ff  ................
  backtrace:
    [<000000006b38fbed>] kmem_cache_zalloc include/linux/slab.h:705 [inline]
    [<000000006b38fbed>] copy_signal kernel/fork.c:1623 [inline]
    [<000000006b38fbed>] copy_process+0x1f5d/0x6d40 kernel/fork.c:2174
    [<000000000cd8dbb4>] kernel_clone+0xe7/0xa60 kernel/fork.c:2621
    [<0000000005c46402>] __do_sys_clone+0xc1/0x100 kernel/fork.c:2738
    [<0000000088dc0341>] do_syscall_x64 arch/x86/entry/common.c:50 [inline]
    [<0000000088dc0341>] do_syscall_64+0x3b/0x90 arch/x86/entry/common.c:80
    [<00000000acfcdf23>] entry_SYSCALL_64_after_hwframe+0x44/0xae

BUG: memory leak
unreferenced object 0xffff8880424a5040 (size 6592):
  comm "syz-executor.0", pid 5592, jiffies 4295043066 (age 36.719s)
  hex dump (first 32 bytes):
    02 40 02 00 00 00 00 00 00 00 00 00 00 00 00 00  .@..............
    00 00 00 00 00 00 00 00 80 00 00 00 00 00 00 00  ................
  backtrace:
    [<00000000fb92ee5b>] alloc_task_struct_node kernel/fork.c:170 [inline]
    [<00000000fb92ee5b>] dup_task_struct kernel/fork.c:884 [inline]
    [<00000000fb92ee5b>] copy_process+0x2fb7/0x6d40 kernel/fork.c:2005
    [<000000000cd8dbb4>] kernel_clone+0xe7/0xa60 kernel/fork.c:2621
    [<0000000005c46402>] __do_sys_clone+0xc1/0x100 kernel/fork.c:2738
    [<0000000088dc0341>] do_syscall_x64 arch/x86/entry/common.c:50 [inline]
    [<0000000088dc0341>] do_syscall_64+0x3b/0x90 arch/x86/entry/common.c:80
    [<00000000acfcdf23>] entry_SYSCALL_64_after_hwframe+0x44/0xae

BUG: memory leak
unreferenced object 0xffff8880388184e0 (size 352):
  comm "syz-executor.0", pid 5592, jiffies 4295043108 (age 36.677s)
  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 b5 04 09 03 00 00 00 00  -...............
  backtrace:
    [<00000000a3a507e9>] kmem_cache_zalloc include/linux/slab.h:705 [inline]
    [<00000000a3a507e9>] taskstats_tgid_alloc kernel/taskstats.c:561 [inline]
    [<00000000a3a507e9>] taskstats_exit+0x5c6/0xac0 kernel/taskstats.c:600
    [<00000000bef0e3ca>] do_exit+0x994/0x2960 kernel/exit.c:817
    [<00000000d92e1955>] do_group_exit+0x125/0x310 kernel/exit.c:929
    [<0000000051f7718b>] __do_sys_exit_group kernel/exit.c:940 [inline]
    [<0000000051f7718b>] __se_sys_exit_group kernel/exit.c:938 [inline]
    [<0000000051f7718b>] __x64_sys_exit_group+0x3a/0x50 kernel/exit.c:938
    [<0000000088dc0341>] do_syscall_x64 arch/x86/entry/common.c:50 [inline]
    [<0000000088dc0341>] do_syscall_64+0x3b/0x90 arch/x86/entry/common.c:80
    [<00000000acfcdf23>] entry_SYSCALL_64_after_hwframe+0x44/0xae

BUG: leak checking failed