socketpair$unix(0x1, 0x2, 0x0, &(0x7f00000000c0)={<r0=>0xffffffffffffffff, <r1=>0xffffffffffffffff})
gettid()
sendmmsg$unix(r0, &(0x7f00000006c0)=[{{0x0, 0xeffdffff, 0x0, 0x0, &(0x7f00000003c0)=[@rights={{0x14, 0x1, 0x1, [r1]}}], 0x18}}], 0x1, 0x0)
BUG: memory leak
unreferenced object 0xffff88800df03000 (size 256):
  comm "syz-executor.7", pid 6827, jiffies 4295690916 (age 18.994s)
  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:
    [<00000000ec2f9db0>] mas_alloc_nodes+0x36e/0x6a0
    [<000000009bb0971e>] mas_node_count+0x101/0x130
    [<000000000cbaa316>] mas_expected_entries+0x10c/0x1b0
    [<00000000cecb4c9a>] dup_mmap+0x433/0xf80
    [<00000000107bfda1>] dup_mm+0x91/0x370
    [<000000000b72f44d>] copy_process+0x694b/0x6d60
    [<00000000321c9777>] kernel_clone+0xe7/0xa60
    [<00000000f86afb5a>] __do_sys_clone3+0x1cd/0x2d0
    [<00000000f5851255>] do_syscall_64+0x3b/0x90
    [<000000009d1f11fa>] entry_SYSCALL_64_after_hwframe+0x46/0xb0

BUG: memory leak
unreferenced object 0xffff88801ba1b000 (size 256):
  comm "syz-executor.7", pid 6844, jiffies 4295691020 (age 18.890s)
  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:
    [<00000000ec2f9db0>] mas_alloc_nodes+0x36e/0x6a0
    [<000000009bb0971e>] mas_node_count+0x101/0x130
    [<000000000cbaa316>] mas_expected_entries+0x10c/0x1b0
    [<00000000cecb4c9a>] dup_mmap+0x433/0xf80
    [<00000000107bfda1>] dup_mm+0x91/0x370
    [<000000000b72f44d>] copy_process+0x694b/0x6d60
    [<00000000321c9777>] kernel_clone+0xe7/0xa60
    [<00000000f86afb5a>] __do_sys_clone3+0x1cd/0x2d0
    [<00000000f5851255>] do_syscall_64+0x3b/0x90
    [<000000009d1f11fa>] entry_SYSCALL_64_after_hwframe+0x46/0xb0

BUG: leak checking failed