Commit d6c066fd authored Mar 08, 2020 by Vladis Dronov Committed by Ingo Molnar Mar 08, 2020

efi: Add a sanity check to efivar_store_raw()



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: Vladis Dronov <vdronov@redhat.com>
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Signed-off-by: Ingo 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

parent 286d3250

drivers/firmware/efi/efivars.c

+3 −0

Original line number	Diff line number	Diff line
		@@ -208,6 +208,9 @@ efivar_store_raw(struct efivar_entry entry, const char buf, size_t count)
		u8 *data;
		int err;

		if (!entry \|\| !buf)
		return -EINVAL;

		if (in_compat_syscall()) {
		struct compat_efi_variable *compat;

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