From 4d5e071ee06429d3a6136888d75d8473d8cbdfff Mon Sep 17 00:00:00 2001 From: Heinrich Schuchardt Date: Mon, 2 Jul 2018 12:53:53 +0200 Subject: [PATCH] efi_loader: check parameters in memory allocation If no pointer is provided throw an error. Signed-off-by: Heinrich Schuchardt Signed-off-by: Alexander Graf --- lib/efi_loader/efi_memory.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/lib/efi_loader/efi_memory.c b/lib/efi_loader/efi_memory.c index 86edfc95f4..f5aecd4b41 100644 --- a/lib/efi_loader/efi_memory.c +++ b/lib/efi_loader/efi_memory.c @@ -293,6 +293,9 @@ efi_status_t efi_allocate_pages(int type, int memory_type, efi_status_t r = EFI_SUCCESS; uint64_t addr; + if (!memory) + return EFI_INVALID_PARAMETER; + switch (type) { case EFI_ALLOCATE_ANY_PAGES: /* Any page */ @@ -386,6 +389,9 @@ efi_status_t efi_allocate_pool(int pool_type, efi_uintn_t size, void **buffer) u64 num_pages = (size + sizeof(struct efi_pool_allocation) + EFI_PAGE_MASK) >> EFI_PAGE_SHIFT; + if (!buffer) + return EFI_INVALID_PARAMETER; + if (size == 0) { *buffer = NULL; return EFI_SUCCESS; -- 2.39.5