diff options
| author | Heinrich Schuchardt <xypron.glpk@gmx.de> | 2019-05-05 16:55:06 +0200 |
|---|---|---|
| committer | Heinrich Schuchardt <xypron.glpk@gmx.de> | 2019-05-07 21:10:04 +0200 |
| commit | 470dfa50da799720ed6513b89b9237064415cb73 (patch) | |
| tree | dd2f0ab0db272966ca39af94586a3e6a3baae004 /lib/efi_loader/efi_boottime.c | |
| parent | 84a918e8ce6cdc968a17e91768650bfe9eb8844a (diff) | |
efi_loader: LoadImage() check source size
If the size of the source buffer is 0, return EFI_LOAD_ERROR.
(UEFI SCT II 2017: 3.4.1 LoadImage() - 5.1.4.1.6)
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Diffstat (limited to 'lib/efi_loader/efi_boottime.c')
| -rw-r--r-- | lib/efi_loader/efi_boottime.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/lib/efi_loader/efi_boottime.c b/lib/efi_loader/efi_boottime.c index ef9e378189..89966a2f12 100644 --- a/lib/efi_loader/efi_boottime.c +++ b/lib/efi_loader/efi_boottime.c @@ -1781,6 +1781,10 @@ efi_status_t EFIAPI efi_load_image(bool boot_policy, if (ret != EFI_SUCCESS) goto error; } else { + if (!source_size) { + ret = EFI_LOAD_ERROR; + goto error; + } dest_buffer = source_buffer; } /* split file_path which contains both the device and file parts */ |