diff --git a/lib/ubsan.c b/lib/ubsan.c index 60c7099857a0..4d39e0babb98 100644 --- a/lib/ubsan.c +++ b/lib/ubsan.c @@ -339,9 +339,10 @@ void __ubsan_handle_load_invalid_value(void *_data, void *val) { struct invalid_value_data *data = _data; char val_str[VALUE_LENGTH]; + unsigned long ua_flags = user_access_save(); if (suppress_report(&data->location)) - return; + goto out; ubsan_prologue(&data->location, "invalid-load"); @@ -351,6 +352,8 @@ void __ubsan_handle_load_invalid_value(void *_data, void *val) val_str, data->type->type_name); ubsan_epilogue(); +out: + user_access_restore(ua_flags); } EXPORT_SYMBOL(__ubsan_handle_load_invalid_value); diff --git a/tools/objtool/check.c b/tools/objtool/check.c index 64954aa83522..9767babfd9ed 100644 --- a/tools/objtool/check.c +++ b/tools/objtool/check.c @@ -1216,6 +1216,7 @@ static const char *uaccess_safe_builtin[] = { "__ubsan_handle_type_mismatch", "__ubsan_handle_type_mismatch_v1", "__ubsan_handle_shift_out_of_bounds", + "__ubsan_handle_load_invalid_value", /* misc */ "csum_partial_copy_generic", "copy_mc_fragile",