1:05 a.m.
On Tue, Feb 08, 2022 at 06:34:43AM +0800, kernel test robot wrote:
>> arch/arm64/kernel/signal.c:395:35: sparse: sparse:
dereference of noderef expression
>> arch/arm64/kernel/signal.c:395:35: sparse: sparse: dereference of noderef
expression
arch/arm64/kernel/signal.c:429:53: sparse: sparse: dereference of noderef expression
arch/arm64/kernel/signal.c:429:53: sparse: sparse: dereference of noderef expression
This is a replication of an existing pattern in the signal code adding a
fixed offset to a userspace pointer to read a variably sized buffer
after reading the header that prefixes it rather than actually
dereferencing the pointer.