BUG: memory leak
unreferenced object 0xffff888017b34600 (size 256):
  comm "syz-executor.1", pid 8602, jiffies 4295674423 (age 27.028s)
  hex dump (first 32 bytes):
    09 7b 76 45 80 88 ff ff ff df fe 20 00 00 00 00  .{vE....... ....
    ff ef fe 20 00 00 00 00 ff ff fe 20 00 00 00 00  ... ....... ....
  backtrace:
    [<00000000aea1b3e5>] mas_alloc_nodes+0x2f4/0x600
    [<00000000aab6268d>] mas_node_count+0x101/0x130
    [<000000003e147570>] mas_root_expand.isra.0+0xe5/0xa60
    [<00000000b09cdd99>] mas_wr_store_entry.isra.0+0x33c/0x10e0
    [<00000000cd702252>] mas_store_gfp+0xca/0x1f0
    [<00000000cd5da663>] do_mas_align_munmap.constprop.0+0x487/0xc00
    [<000000001494df37>] do_mas_munmap+0x1ed/0x2c0
    [<000000006082c4c7>] mmap_region+0x21c/0x1a80
    [<00000000e05afdcf>] do_mmap+0x82a/0xf60
    [<00000000a8207450>] do_shmat+0xe42/0x10d0
    [<00000000093f4779>] __x64_sys_shmat+0xcc/0x160
    [<00000000e2e78598>] do_syscall_64+0x3b/0x90
    [<00000000d12ef0f7>] entry_SYSCALL_64_after_hwframe+0x44/0xae

BUG: memory leak
unreferenced object 0xffff888040a5ac00 (size 256):
  comm "syz-executor.7", pid 8633, jiffies 4295684389 (age 17.062s)
  hex dump (first 32 bytes):
    09 fb dd 44 80 88 ff ff ff df fe 20 00 00 00 00  ...D....... ....
    ff ef fe 20 00 00 00 00 ff ff fe 20 00 00 00 00  ... ....... ....
  backtrace:
    [<00000000aea1b3e5>] mas_alloc_nodes+0x2f4/0x600
    [<00000000aab6268d>] mas_node_count+0x101/0x130
    [<000000003e147570>] mas_root_expand.isra.0+0xe5/0xa60
    [<00000000b09cdd99>] mas_wr_store_entry.isra.0+0x33c/0x10e0
    [<00000000cd702252>] mas_store_gfp+0xca/0x1f0
    [<00000000cd5da663>] do_mas_align_munmap.constprop.0+0x487/0xc00
    [<000000001494df37>] do_mas_munmap+0x1ed/0x2c0
    [<000000006082c4c7>] mmap_region+0x21c/0x1a80
    [<00000000e05afdcf>] do_mmap+0x82a/0xf60
    [<00000000a8207450>] do_shmat+0xe42/0x10d0
    [<00000000093f4779>] __x64_sys_shmat+0xcc/0x160
    [<00000000e2e78598>] do_syscall_64+0x3b/0x90
    [<00000000d12ef0f7>] entry_SYSCALL_64_after_hwframe+0x44/0xae

BUG: leak checking failed