BUG: memory leak
unreferenced object 0xffff888040cfc380 (size 1544):
  comm "syz-executor.6", pid 298, jiffies 4294897606 (age 526.547s)
  hex dump (first 32 bytes):
    01 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
    90 c3 cf 40 80 88 ff ff 90 c3 cf 40 80 88 ff ff  ...@.......@....
  backtrace:
    [<0000000072c16b82>] kmem_cache_zalloc include/linux/slab.h:705 [inline]
    [<0000000072c16b82>] copy_signal kernel/fork.c:1624 [inline]
    [<0000000072c16b82>] copy_process+0x1fb8/0x6e20 kernel/fork.c:2179
    [<00000000ddab3707>] kernel_clone+0xe7/0xa60 kernel/fork.c:2626
    [<00000000359dfc53>] __do_sys_clone+0xc1/0x100 kernel/fork.c:2743
    [<00000000c9a6bf07>] do_syscall_x64 arch/x86/entry/common.c:50 [inline]
    [<00000000c9a6bf07>] do_syscall_64+0x3b/0x90 arch/x86/entry/common.c:80
    [<0000000083ff7e6e>] entry_SYSCALL_64_after_hwframe+0x44/0xae

BUG: memory leak
unreferenced object 0xffff88803f653580 (size 6592):
  comm "syz-executor.6", pid 4412, jiffies 4294897654 (age 526.499s)
  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:
    [<000000008347c9ce>] alloc_task_struct_node kernel/fork.c:171 [inline]
    [<000000008347c9ce>] dup_task_struct kernel/fork.c:885 [inline]
    [<000000008347c9ce>] copy_process+0x3011/0x6e20 kernel/fork.c:2006
    [<00000000ddab3707>] kernel_clone+0xe7/0xa60 kernel/fork.c:2626
    [<00000000359dfc53>] __do_sys_clone+0xc1/0x100 kernel/fork.c:2743
    [<00000000c9a6bf07>] do_syscall_x64 arch/x86/entry/common.c:50 [inline]
    [<00000000c9a6bf07>] do_syscall_64+0x3b/0x90 arch/x86/entry/common.c:80
    [<0000000083ff7e6e>] entry_SYSCALL_64_after_hwframe+0x44/0xae

BUG: memory leak
unreferenced object 0xffff88803f4bbba0 (size 352):
  comm "syz-executor.6", pid 4412, jiffies 4294897702 (age 526.451s)
  hex dump (first 32 bytes):
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
    29 00 00 00 00 00 00 00 10 67 46 04 00 00 00 00  )........gF.....
  backtrace:
    [<00000000c481d20b>] kmem_cache_zalloc include/linux/slab.h:705 [inline]
    [<00000000c481d20b>] taskstats_tgid_alloc kernel/taskstats.c:561 [inline]
    [<00000000c481d20b>] taskstats_exit+0x5c6/0xac0 kernel/taskstats.c:600
    [<000000000ef09ce7>] do_exit+0x8b1/0x2840 kernel/exit.c:778
    [<0000000003225730>] do_group_exit+0x125/0x310 kernel/exit.c:928
    [<00000000c06ac866>] __do_sys_exit_group kernel/exit.c:939 [inline]
    [<00000000c06ac866>] __se_sys_exit_group kernel/exit.c:937 [inline]
    [<00000000c06ac866>] __x64_sys_exit_group+0x3a/0x50 kernel/exit.c:937
    [<00000000c9a6bf07>] do_syscall_x64 arch/x86/entry/common.c:50 [inline]
    [<00000000c9a6bf07>] do_syscall_64+0x3b/0x90 arch/x86/entry/common.c:80
    [<0000000083ff7e6e>] entry_SYSCALL_64_after_hwframe+0x44/0xae

BUG: leak checking failed