diff options
| author | Vladis Dronov <[email protected]> | 2020-03-08 09:08:55 +0100 |
|---|---|---|
| committer | Ingo Molnar <[email protected]> | 2020-03-08 09:56:48 +0100 |
| commit | d6c066fda90d578aacdf19771a027ed484a79825 (patch) | |
| tree | ab96a2e295bc607151712dc103f5b1137f25e439 | |
| parent | 286d3250c9d6437340203fb64938bea344729a0e (diff) | |
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 <[email protected]>
Signed-off-by: Ard Biesheuvel <[email protected]>
Signed-off-by: Ingo Molnar <[email protected]>
Cc: <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Link: https://lore.kernel.org/r/[email protected]
| -rw-r--r-- | drivers/firmware/efi/efivars.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/firmware/efi/efivars.c b/drivers/firmware/efi/efivars.c index 69f13bc4b931..aff3dfb4d7ba 100644 --- a/drivers/firmware/efi/efivars.c +++ b/drivers/firmware/efi/efivars.c @@ -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; |