X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=blobdiff_plain;f=lib%2Fubsan.c;h=0c4681118fcd2a819aa3f5e09ba569c4bd87c20a;hb=9a50dcaf0416a43e1fe411dc61a99c8333c90119;hp=e7d31735950de7c0980967164ce21ba0ca8b77c0;hpb=273cbf61c3ddee9574ef1f4959b9bc6db5b24271;p=linux.git

diff --git a/lib/ubsan.c b/lib/ubsan.c
index e7d31735950d..0c4681118fcd 100644
--- a/lib/ubsan.c
+++ b/lib/ubsan.c
@@ -374,9 +374,10 @@ void __ubsan_handle_shift_out_of_bounds(struct shift_out_of_bounds_data *data,
 	struct type_descriptor *lhs_type = data->lhs_type;
 	char rhs_str[VALUE_LENGTH];
 	char lhs_str[VALUE_LENGTH];
+	unsigned long ua_flags = user_access_save();
 
 	if (suppress_report(&data->location))
-		return;
+		goto out;
 
 	ubsan_prologue(&data->location, &flags);
 
@@ -402,6 +403,8 @@ void __ubsan_handle_shift_out_of_bounds(struct shift_out_of_bounds_data *data,
 			lhs_type->type_name);
 
 	ubsan_epilogue(&flags);
+out:
+	user_access_restore(ua_flags);
 }
 EXPORT_SYMBOL(__ubsan_handle_shift_out_of_bounds);