[gnutls-devel] GnuTLS | UB detected, but test suite stays silent (#878)

Development of GNU's TLS library gnutls-devel at lists.gnutls.org
Wed Dec 18 13:24:44 CET 2019

Tim Rühsen commented:

To reproduce:
export CC=clang
export CFLAGS="-O1 -g -fno-omit-frame-pointer -gline-tables-only -DFUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION -fsanitize=undefined,integer,nullability -fsanitize=address -fsanitize-address-use-after-scope -fsanitize-coverage=trace-pc-guard,trace-cmp"
./configure --disable-guile --enable-fuzzer-target --enable-static --disable-doc --disable-gcc-warnings --disable-hardware-acceleration
make clean
cd fuzz
make check
grep Sani *.log

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