diff options
| author | Heinrich Schuchardt <xypron.glpk@gmx.de> | 2019-04-23 00:30:53 +0200 |
|---|---|---|
| committer | Heinrich Schuchardt <xypron.glpk@gmx.de> | 2019-04-23 00:37:28 +0200 |
| commit | f12bcc9149c32a01dac687718ad126d4d3ba29ba (patch) | |
| tree | dcc68ab76a00bf3d12ea6354d9262ec4ed56a79a | |
| parent | 6182495e101f2d3da29e632632c3d6e5035fef8b (diff) | |
efi_loader: check memory type in AllocatePages()
The UEFI specification prescribes that AllocatePages() checks the memory
type.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
| -rw-r--r-- | include/efi.h | 4 | ||||
| -rw-r--r-- | lib/efi_loader/efi_memory.c | 4 |
2 files changed, 8 insertions, 0 deletions
diff --git a/include/efi.h b/include/efi.h index 3c9d20f8c0b..5f415a99cc9 100644 --- a/include/efi.h +++ b/include/efi.h @@ -168,6 +168,10 @@ enum efi_mem_type { * part of the processor. */ EFI_PAL_CODE, + /* + * Non-volatile memory. + */ + EFI_PERSISTENT_MEMORY_TYPE, EFI_MAX_MEMORY_TYPE, EFI_TABLE_END, /* For efi_build_mem_table() */ diff --git a/lib/efi_loader/efi_memory.c b/lib/efi_loader/efi_memory.c index 46681dc2082..987cc6dc5f6 100644 --- a/lib/efi_loader/efi_memory.c +++ b/lib/efi_loader/efi_memory.c @@ -376,6 +376,10 @@ efi_status_t efi_allocate_pages(int type, int memory_type, efi_status_t r = EFI_SUCCESS; uint64_t addr; + /* Check import parameters */ + if (memory_type >= EFI_PERSISTENT_MEMORY_TYPE && + memory_type <= 0x6FFFFFFF) + return EFI_INVALID_PARAMETER; if (!memory) return EFI_INVALID_PARAMETER; |