ACK: [PATCH] efi/efi_test: Prevent an Oops in efi_runtime_query_capsulecaps()

On 10/06/2017 08:19 PM, Matt Fleming wrote: On Sat, 30 Sep, at 11:17:32AM, Dan Carpenter wrote: If "qcaps.capsule_count" is ULONG_MAX then "qcaps.capsule_count + 1" will overflow to zero and kcalloc() will return the ZERO_SIZE_PTR. We try to dereference it inside the loop and crash. Fixes: f

Re: [PATCH 1/2] efi/efi_test: use memdup_user

On 05/06/2017 04:53 AM, Matt Fleming wrote: On Sat, 29 Apr, at 09:42:52AM, Geliang Tang wrote: Use memdup_user() helper instead of open-coding to simplify the code. Signed-off-by: Geliang Tang --- drivers/firmware/efi/test/efi_test.c | 11 +++ 1 file changed, 3 insertions(+), 8 dele

Re: [PATCH 2/2] efi/efi_test: drop useless kfree

On 04/29/2017 09:42 AM, Geliang Tang wrote: Drop useless kfree when memdup_user() failed, since we have already called kfree in memdup_user(). Signed-off-by: Geliang Tang --- drivers/firmware/efi/test/efi_test.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/drivers