sendmsg$nl_xfrm(r0, &(0x7f00000003c0)={0x0, 0x6000000, &(0x7f0000000380)={&(0x7f0000000040)=ANY=[@ANYBLOB="1c0000001d0001"], 0x1c}}, 0x0)
BUG: memory leak
unreferenced object 0xffff888016ca0a00 (size 256):
  comm "syz-executor.6", pid 5364, jiffies 4295222687 (age 20.964s)
  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:
    [<0000000019548c4d>] mas_alloc_nodes+0x36e/0x6a0
    [<00000000788b3edb>] mas_node_count+0x101/0x130
    [<00000000499400b9>] mas_expected_entries+0x10c/0x1b0
    [<00000000292d4042>] dup_mmap+0x41f/0xf30
    [<00000000ee3128e1>] dup_mm+0x91/0x370
    [<00000000c2458365>] copy_process+0x6946/0x6d60
    [<00000000df524e59>] kernel_clone+0xe7/0xa60
    [<00000000184a2bc1>] __do_sys_clone3+0x1cd/0x2d0
    [<00000000185dfa3e>] do_syscall_64+0x3b/0x90
    [<00000000ef94a673>] entry_SYSCALL_64_after_hwframe+0x46/0xb0

BUG: leak checking failed