BUG: memory leak
unreferenced object 0xffff88800f40c800 (size 256):
  comm "syz-executor.3", pid 8929, jiffies 4296385074 (age 23.820s)
  hex dump (first 32 bytes):
    49 7b 1d 42 80 88 ff ff ff bf ff 20 00 00 00 00  I{.B....... ....
    ff ff ff 20 00 00 00 00 00 00 00 00 00 00 00 00  ... ............
  backtrace:
    [<000000004be26e14>] mas_alloc_nodes+0x36e/0x6a0
    [<00000000f4b943ed>] mas_preallocate+0xff/0x270
    [<0000000048c26fe5>] do_mas_align_munmap.constprop.0+0x16a/0xfe0
    [<0000000071348868>] do_mas_munmap+0x1ed/0x2c0
    [<000000004f28be09>] mmap_region+0x21c/0x1a00
    [<000000001605742c>] do_mmap+0x824/0xf40
    [<0000000086b1c192>] vm_mmap_pgoff+0x1b5/0x280
    [<000000009a5c5af3>] ksys_mmap_pgoff+0x3cc/0x4f0
    [<000000005acbf0c5>] do_syscall_64+0x3b/0x90
    [<0000000083ac7804>] entry_SYSCALL_64_after_hwframe+0x46/0xb0

BUG: memory leak
unreferenced object 0xffff88800f029000 (size 256):
  comm "syz-executor.3", pid 8962, jiffies 4296385638 (age 23.256s)
  hex dump (first 32 bytes):
    49 fb b6 41 80 88 ff ff ff bf ff 20 00 00 00 00  I..A....... ....
    ff ff ff 20 00 00 00 00 00 00 00 00 00 00 00 00  ... ............
  backtrace:
    [<000000004be26e14>] mas_alloc_nodes+0x36e/0x6a0
    [<00000000f4b943ed>] mas_preallocate+0xff/0x270
    [<0000000048c26fe5>] do_mas_align_munmap.constprop.0+0x16a/0xfe0
    [<0000000071348868>] do_mas_munmap+0x1ed/0x2c0
    [<000000004f28be09>] mmap_region+0x21c/0x1a00
    [<000000001605742c>] do_mmap+0x824/0xf40
    [<0000000086b1c192>] vm_mmap_pgoff+0x1b5/0x280
    [<000000009a5c5af3>] ksys_mmap_pgoff+0x3cc/0x4f0
    [<000000005acbf0c5>] do_syscall_64+0x3b/0x90
    [<0000000083ac7804>] entry_SYSCALL_64_after_hwframe+0x46/0xb0

BUG: leak checking failed