[gnutls-devel] GnuTLS | New CI runner with clang combined ubsan+asan (!1151)

Development of GNU's TLS library gnutls-devel at lists.gnutls.org
Thu Jan 23 19:10:43 CET 2020

Tim Rühsen commented on a discussion on lib/hello_ext.c: https://gitlab.com/gnutls/gnutls/merge_requests/1151#note_276119131

>  	int ret;
>  	hello_ext_ctx_st ctx;
> +	msg &= (gnutls_ext_flags_t) GNUTLS_EXT_FLAG_SET_ONLY_FLAGS_MASK;

Ok, but the mask must be guaranteed unsigned then (by a cast) or we run into another sanitizer issue (implicitly converting negative numbers into unsigned).

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