perf_event_open(&(0x7f0000000280)={0x0, 0x80, 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, 0x0, @perf_config_ext}, 0x0, 0x0, r0, 0x0)
clone3(&(0x7f0000004c00)={0xc0002100, 0x0, 0x0, 0x0, {}, 0x0, 0x0, 0x0, 0x0}, 0x58) (fail_nth: 26)
BUG: memory leak
unreferenced object 0xffff88800edbda00 (size 256):
  comm "syz-executor.1", pid 11464, jiffies 4297099903 (age 25.916s)
  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:
    [<00000000982e0d4c>] mas_alloc_nodes+0x36e/0x6a0
    [<00000000293a3ddd>] mas_node_count+0x101/0x130
    [<00000000d15f398f>] mas_expected_entries+0x10c/0x1b0
    [<0000000040acdc91>] dup_mmap+0x433/0xf80
    [<000000003aa9f51a>] dup_mm+0x91/0x370
    [<00000000ea11bb71>] copy_process+0x6bb9/0x6d80
    [<0000000074a7be35>] kernel_clone+0xe7/0xa60
    [<0000000073b2c160>] __do_sys_clone3+0x1cd/0x2d0
    [<000000003486fbb4>] do_syscall_64+0x3b/0x90
    [<000000006d3c37e7>] entry_SYSCALL_64_after_hwframe+0x46/0xb0

BUG: memory leak
unreferenced object 0xffff88800e960600 (size 256):
  comm "syz-executor.6", pid 11467, jiffies 4297099937 (age 25.882s)
  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:
    [<00000000982e0d4c>] mas_alloc_nodes+0x36e/0x6a0
    [<00000000293a3ddd>] mas_node_count+0x101/0x130
    [<00000000d15f398f>] mas_expected_entries+0x10c/0x1b0
    [<0000000040acdc91>] dup_mmap+0x433/0xf80
    [<000000003aa9f51a>] dup_mm+0x91/0x370
    [<00000000ea11bb71>] copy_process+0x6bb9/0x6d80
    [<0000000074a7be35>] kernel_clone+0xe7/0xa60
    [<0000000073b2c160>] __do_sys_clone3+0x1cd/0x2d0
    [<000000003486fbb4>] do_syscall_64+0x3b/0x90
    [<000000006d3c37e7>] entry_SYSCALL_64_after_hwframe+0x46/0xb0

BUG: leak checking failed