BUG: memory leak
unreferenced object 0xffff888040cd4380 (size 1544):
  comm "syz-executor.6", pid 296, jiffies 4295051014 (age 19.940s)
  hex dump (first 32 bytes):
    01 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
    90 43 cd 40 80 88 ff ff 90 43 cd 40 80 88 ff ff  .C.@.....C.@....
  backtrace:
    [<00000000f4bedaed>] kmem_cache_zalloc include/linux/slab.h:705 [inline]
    [<00000000f4bedaed>] copy_signal kernel/fork.c:1624 [inline]
    [<00000000f4bedaed>] copy_process+0x1fb8/0x6e20 kernel/fork.c:2179
    [<00000000c02f2f35>] kernel_clone+0xe7/0xa60 kernel/fork.c:2626
    [<000000006e42a8f1>] __do_sys_clone+0xc1/0x100 kernel/fork.c:2743
    [<000000005c705ecf>] do_syscall_x64 arch/x86/entry/common.c:50 [inline]
    [<000000005c705ecf>] do_syscall_64+0x3b/0x90 arch/x86/entry/common.c:80
    [<0000000026631da9>] entry_SYSCALL_64_after_hwframe+0x44/0xae

BUG: memory leak
unreferenced object 0xffff88803f981ac0 (size 6592):
  comm "syz-executor.6", pid 5035, jiffies 4295051046 (age 19.908s)
  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:
    [<00000000eefc19a6>] alloc_task_struct_node kernel/fork.c:171 [inline]
    [<00000000eefc19a6>] dup_task_struct kernel/fork.c:885 [inline]
    [<00000000eefc19a6>] copy_process+0x3011/0x6e20 kernel/fork.c:2006
    [<00000000c02f2f35>] kernel_clone+0xe7/0xa60 kernel/fork.c:2626
    [<000000006e42a8f1>] __do_sys_clone+0xc1/0x100 kernel/fork.c:2743
    [<000000005c705ecf>] do_syscall_x64 arch/x86/entry/common.c:50 [inline]
    [<000000005c705ecf>] do_syscall_64+0x3b/0x90 arch/x86/entry/common.c:80
    [<0000000026631da9>] entry_SYSCALL_64_after_hwframe+0x44/0xae

BUG: memory leak
unreferenced object 0xffff88800dc6e820 (size 352):
  comm "syz-executor.6", pid 5035, jiffies 4295051053 (age 19.901s)
  hex dump (first 32 bytes):
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
    1c 00 00 00 00 00 00 00 db 85 fe 00 00 00 00 00  ................
  backtrace:
    [<00000000b8f09c35>] kmem_cache_zalloc include/linux/slab.h:705 [inline]
    [<00000000b8f09c35>] taskstats_tgid_alloc kernel/taskstats.c:561 [inline]
    [<00000000b8f09c35>] taskstats_exit+0x5c6/0xac0 kernel/taskstats.c:600
    [<00000000c646a1f8>] do_exit+0x8b1/0x2840 kernel/exit.c:778
    [<0000000046a922b1>] do_group_exit+0x125/0x310 kernel/exit.c:928
    [<000000001b280064>] __do_sys_exit_group kernel/exit.c:939 [inline]
    [<000000001b280064>] __se_sys_exit_group kernel/exit.c:937 [inline]
    [<000000001b280064>] __x64_sys_exit_group+0x3a/0x50 kernel/exit.c:937
    [<000000005c705ecf>] do_syscall_x64 arch/x86/entry/common.c:50 [inline]
    [<000000005c705ecf>] do_syscall_64+0x3b/0x90 arch/x86/entry/common.c:80
    [<0000000026631da9>] entry_SYSCALL_64_after_hwframe+0x44/0xae

BUG: leak checking failed