perf_event_open(&(0x7f0000000080)={0x2400, 0x80, 0xc2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffc, 0x0, 0xfffffffffffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
BUG: memory leak
unreferenced object 0xffff88800e5bc000 (size 256):
  comm "syz-executor.3", pid 10420, jiffies 4296044141 (age 25.740s)
  hex dump (first 32 bytes):
    01 00 00 00 00 00 00 00 00 00 00 00 05 00 00 00  ................
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
  backtrace:
    [<00000000fc1d4ad5>] mas_alloc_nodes+0x36e/0x6a0
    [<00000000bcfc75c0>] mas_node_count+0x101/0x130
    [<00000000374d54f8>] mas_expected_entries+0x10c/0x1b0
    [<00000000707151f5>] dup_mmap+0x433/0xf80
    [<00000000e7ba53a4>] dup_mm+0x91/0x370
    [<000000003a457dcf>] copy_process+0x694b/0x6d60
    [<000000001f94f90c>] kernel_clone+0xe7/0xa60
    [<000000005cafb4e8>] __do_sys_clone3+0x1cd/0x2d0
    [<00000000c9be4ed1>] do_syscall_64+0x3b/0x90
    [<0000000096162981>] entry_SYSCALL_64_after_hwframe+0x46/0xb0

BUG: leak checking failed