signal: Add missing __user annotation to copy_siginfo_from_user_any

copy_siginfo_from_user_any() takes a userspace pointer as second
argument; annotate the parameter type accordingly.

Signed-off-by: Jann Horn <jannh@google.com>
Link: https://lore.kernel.org/r/20201207000252.138564-1-jannh@google.com
Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>

diff --git a/kernel/signal.c b/kernel/signal.c
index 5736c55..546b860 100644 (file)
--- a/kernel/signal.c
+++ b/kernel/signal.c
@@ -3701,7 +3701,8 @@ static bool access_pidfd_pidns(struct pid *pid)
        return true;
 }
 
        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
        /*
 {
 #ifdef CONFIG_COMPAT
        /*