BUG: memory leak
unreferenced object 0xffff88801effbcc0 (size 1544):
  comm "syz-executor.4", pid 293, jiffies 4294881239 (age 20.739s)
  hex dump (first 32 bytes):
    01 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
    d0 bc ff 1e 80 88 ff ff d0 bc ff 1e 80 88 ff ff  ................
  backtrace:
    [<000000004cb65bda>] kmem_cache_zalloc include/linux/slab.h:705 [inline]
    [<000000004cb65bda>] copy_signal kernel/fork.c:1618 [inline]
    [<000000004cb65bda>] copy_process+0x1f1a/0x6cb0 kernel/fork.c:2163
    [<0000000094584c6f>] kernel_clone+0xe7/0xa60 kernel/fork.c:2557
    [<00000000a13be345>] __do_sys_clone+0xc8/0x110 kernel/fork.c:2674
    [<00000000abe70f2f>] do_syscall_x64 arch/x86/entry/common.c:50 [inline]
    [<00000000abe70f2f>] do_syscall_64+0x3b/0x90 arch/x86/entry/common.c:80
    [<00000000c6d57548>] entry_SYSCALL_64_after_hwframe+0x44/0xae

BUG: memory leak
unreferenced object 0xffff88803f0b5040 (size 6592):
  comm "syz-executor.4", pid 4406, jiffies 4294881342 (age 20.636s)
  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 01 00 00 00 80 00 00 00 00 00 00 00  ................
  backtrace:
    [<0000000073d38f30>] alloc_task_struct_node kernel/fork.c:171 [inline]
    [<0000000073d38f30>] dup_task_struct kernel/fork.c:885 [inline]
    [<0000000073d38f30>] copy_process+0x2f73/0x6cb0 kernel/fork.c:2000
    [<0000000094584c6f>] kernel_clone+0xe7/0xa60 kernel/fork.c:2557
    [<00000000a13be345>] __do_sys_clone+0xc8/0x110 kernel/fork.c:2674
    [<00000000abe70f2f>] do_syscall_x64 arch/x86/entry/common.c:50 [inline]
    [<00000000abe70f2f>] do_syscall_64+0x3b/0x90 arch/x86/entry/common.c:80
    [<00000000c6d57548>] entry_SYSCALL_64_after_hwframe+0x44/0xae

BUG: memory leak
unreferenced object 0xffff88803e74ca20 (size 368):
  comm "syz-executor.4", pid 4406, jiffies 4294881373 (age 20.605s)
  hex dump (first 32 bytes):
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
    75 00 00 00 00 00 00 00 f0 1f 5f 03 00 00 00 00  u........._.....
  backtrace:
    [<000000008ca56fbf>] kmem_cache_zalloc include/linux/slab.h:705 [inline]
    [<000000008ca56fbf>] taskstats_tgid_alloc kernel/taskstats.c:561 [inline]
    [<000000008ca56fbf>] taskstats_exit+0x5c6/0xac0 kernel/taskstats.c:600
    [<000000000e929204>] do_exit+0x8b1/0x2840 kernel/exit.c:778
    [<00000000cb795c91>] do_group_exit+0x128/0x330 kernel/exit.c:932
    [<00000000fcde35f5>] __do_sys_exit_group kernel/exit.c:943 [inline]
    [<00000000fcde35f5>] __se_sys_exit_group kernel/exit.c:941 [inline]
    [<00000000fcde35f5>] __x64_sys_exit_group+0x3a/0x50 kernel/exit.c:941
    [<00000000abe70f2f>] do_syscall_x64 arch/x86/entry/common.c:50 [inline]
    [<00000000abe70f2f>] do_syscall_64+0x3b/0x90 arch/x86/entry/common.c:80
    [<00000000c6d57548>] entry_SYSCALL_64_after_hwframe+0x44/0xae

BUG: leak checking failed