The copy_siginfo_from_user_any() should have __user attribute on the siginfo_t *info pointer. Fix the following sparse warnings by adding __user.
kernel/signal.c:3676:46: warning: incorrect type in argument 2 (different address spaces) kernel/signal.c:3676:46: expected struct siginfo const [noderef] [usertype] <asn:1> *from kernel/signal.c:3676:46: got struct siginfo [usertype] *info kernel/signal.c:3736:58: warning: incorrect type in argument 2 (different address spaces) kernel/signal.c:3736:58: expected struct siginfo [usertype] *info kernel/signal.c:3736:58: got struct siginfo [noderef] [usertype] <asn:1> *info Signed-off-by: Ben Dooks <ben.do...@codethink.co.uk> --- Cc: linux-kernel@vger.kernel.org --- kernel/signal.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/kernel/signal.c b/kernel/signal.c index c4da1ef56fdf..94985c756693 100644 --- a/kernel/signal.c +++ b/kernel/signal.c @@ -3661,7 +3661,8 @@ static bool access_pidfd_pidns(struct pid *pid) return true; } -static int copy_siginfo_from_user_any(kernel_siginfo_t *kinfo, siginfo_t *info) +static int copy_siginfo_from_user_any(kernel_siginfo_t *kinfo, + siginfo_t __user *info) { #ifdef CONFIG_COMPAT /* -- 2.23.0