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Commit d47aae06 authored by Vladis Dronov's avatar Vladis Dronov Committed by Greg Kroah-Hartman
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efi: Add a sanity check to efivar_store_raw() 



commit d6c066fda90d578aacdf19771a027ed484a79825 upstream.

Add a sanity check to efivar_store_raw() the same way
efivar_{attr,size,data}_read() and efivar_show_raw() have it.

Signed-off-by: default avatarVladis Dronov <vdronov@redhat.com>
Signed-off-by: default avatarArd Biesheuvel <ardb@kernel.org>
Signed-off-by: default avatarIngo Molnar <mingo@kernel.org>
Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20200305084041.24053-3-vdronov@redhat.com
Link: https://lore.kernel.org/r/20200308080859.21568-25-ardb@kernel.org


Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 2f3121f6

drivers/firmware/efi/efivars.c

+3 −0
Original line number Diff line number Diff line
@@ -272,6 +272,9 @@ efivar_store_raw(struct efivar_entry *entry, const char *buf, size_t count) 
	u8 *data;

	int err;



	if (!entry || !buf)

		return -EINVAL;



	if (is_compat()) {

		struct compat_efi_variable *compat;