[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 13:22:29 CET 2019



Tim Rühsen created an issue: https://gitlab.com/gnutls/gnutls/issues/878



Building with ASAN/UBSAN enabled and then `cd fuzz; make check; grep -i Sani *.log` shows:
```
gnutls_client_fuzzer.log:SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior buffers.h:96:15 in 
gnutls_client_fuzzer.log:SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior handshake.c:2704:34 in 
gnutls_client_fuzzer.log:SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior rnd-fuzzer.c:122:10 in 
gnutls_client_fuzzer.log:SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior kx.c:299:34 in 
gnutls_client_fuzzer.log:SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior hello_ext.c:403:9 in 
gnutls_client_fuzzer.log:SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior num.h:60:12 in 
gnutls_client_fuzzer.log:SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior record.c:1173:61 in 
gnutls_client_fuzzer.log:SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior buffers.c:982:15 in 
gnutls_client_fuzzer.log:SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior hello_ext.c:298:9 in 
gnutls_client_fuzzer.log:SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior buffers.h:89:15 in 
gnutls_client_fuzzer.log:SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior buffers.h:89:15 in 
gnutls_client_fuzzer.log:SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior record.c:1773:47 in 
gnutls_client_fuzzer.log:SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior record.c:1155:22 in 
gnutls_client_fuzzer.log:SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior pk.c:573:28 in 
gnutls_client_fuzzer.log:SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior pk.c:573:19 in 
gnutls_client_rawpk_fuzzer.log:SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior buffers.h:96:15 in 
gnutls_client_rawpk_fuzzer.log:SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior rnd-fuzzer.c:122:10 in 
gnutls_client_rawpk_fuzzer.log:SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior handshake.c:2704:34 in 
gnutls_client_rawpk_fuzzer.log:SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior kx.c:299:34 in 
gnutls_client_rawpk_fuzzer.log:SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior hello_ext.c:403:9 in 
gnutls_client_rawpk_fuzzer.log:SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior num.h:60:12 in 
gnutls_client_rawpk_fuzzer.log:SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior record.c:1173:61 in 
gnutls_client_rawpk_fuzzer.log:SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior buffers.c:982:15 in 
gnutls_client_rawpk_fuzzer.log:SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior hello_ext.c:298:9 in 
gnutls_client_rawpk_fuzzer.log:SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior buffers.h:89:15 in 
gnutls_ocsp_resp_parser_fuzzer.log:SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior ocsp_output.c:527:58 in 
gnutls_psk_client_fuzzer.log:SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior buffers.h:96:15 in 
gnutls_psk_client_fuzzer.log:SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior handshake.c:2704:34 in 
gnutls_psk_client_fuzzer.log:SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior rnd-fuzzer.c:122:10 in 
gnutls_psk_client_fuzzer.log:SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior kx.c:299:34 in 
gnutls_psk_client_fuzzer.log:SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior hello_ext.c:403:9 in 
gnutls_psk_client_fuzzer.log:SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior ../num.h:60:12 in 
gnutls_psk_client_fuzzer.log:SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior num.h:60:12 in 
gnutls_psk_client_fuzzer.log:SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior record.c:1173:61 in 
gnutls_psk_client_fuzzer.log:SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior buffers.c:982:15 in 
gnutls_psk_client_fuzzer.log:SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior hello_ext.c:298:9 in 
gnutls_psk_client_fuzzer.log:SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior buffers.h:89:15 in 
gnutls_psk_client_fuzzer.log:SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior record.c:1773:47 in 
gnutls_psk_client_fuzzer.log:SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior buffers.h:89:15 in 
gnutls_psk_client_fuzzer.log:SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior record.c:1155:22 in 
gnutls_psk_server_fuzzer.log:SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior buffers.h:96:15 in 
gnutls_psk_server_fuzzer.log:SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior rnd-fuzzer.c:122:10 in 
gnutls_psk_server_fuzzer.log:SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior handshake.c:2704:34 in 
gnutls_psk_server_fuzzer.log:SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior record.c:1173:61 in 
gnutls_psk_server_fuzzer.log:SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior buffers.c:982:15 in 
gnutls_psk_server_fuzzer.log:SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior num.h:60:12 in 
gnutls_psk_server_fuzzer.log:SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior hello_ext.c:298:9 in 
gnutls_psk_server_fuzzer.log:SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior kx.c:299:34 in 
gnutls_psk_server_fuzzer.log:SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior buffers.h:89:15 in 
gnutls_psk_server_fuzzer.log:SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior hello_ext.c:403:9 in 
gnutls_psk_server_fuzzer.log:SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior num.h:60:12 in 
gnutls_psk_server_fuzzer.log:SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior record.c:1773:47 in 
gnutls_psk_server_fuzzer.log:SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior buffers.h:89:15 in 
gnutls_psk_server_fuzzer.log:SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior record.c:1155:22 in 
gnutls_server_fuzzer.log:SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior buffers.h:96:15 in 
gnutls_server_fuzzer.log:SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior rnd-fuzzer.c:122:10 in 
gnutls_server_fuzzer.log:SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior handshake.c:2704:34 in 
gnutls_server_fuzzer.log:SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior record.c:1173:61 in 
gnutls_server_fuzzer.log:SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior buffers.c:982:15 in 
gnutls_server_fuzzer.log:SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior num.h:60:12 in 
gnutls_server_fuzzer.log:SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior hello_ext.c:298:9 in 
gnutls_server_fuzzer.log:SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior buffers.h:89:15 in 
gnutls_server_fuzzer.log:SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior kx.c:299:34 in 
gnutls_server_fuzzer.log:SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior hello_ext.c:403:9 in 
gnutls_server_fuzzer.log:SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior num.h:60:12 in 
gnutls_server_fuzzer.log:SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior record.c:1773:47 in 
gnutls_server_fuzzer.log:SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior buffers.h:89:15 in 
gnutls_server_fuzzer.log:SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior pk.c:668:12 in 
gnutls_server_fuzzer.log:SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior pk.c:670:37 in 
gnutls_server_fuzzer.log:SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior rsa.c:233:8 in 
gnutls_server_fuzzer.log:SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior rsa.c:235:8 in 
gnutls_server_fuzzer.log:SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior rsa.c:231:7 in 
gnutls_server_fuzzer.log:SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior rsa.c:236:10 in 
gnutls_server_fuzzer.log:SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior record.c:1155:22 in 
gnutls_server_fuzzer.log:SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior num.h:60:12 in 
gnutls_server_rawpk_fuzzer.log:SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior buffers.h:96:15 in 
gnutls_server_rawpk_fuzzer.log:SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior rnd-fuzzer.c:122:10 in 
gnutls_server_rawpk_fuzzer.log:SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior handshake.c:2704:34 in 
gnutls_server_rawpk_fuzzer.log:SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior record.c:1173:61 in 
gnutls_server_rawpk_fuzzer.log:SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior buffers.c:982:15 in 
gnutls_server_rawpk_fuzzer.log:SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior num.h:60:12 in 
gnutls_server_rawpk_fuzzer.log:SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior hello_ext.c:298:9 in 
gnutls_server_rawpk_fuzzer.log:SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior kx.c:299:34 in 
gnutls_server_rawpk_fuzzer.log:SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior buffers.h:89:15 in 
gnutls_server_rawpk_fuzzer.log:SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior hello_ext.c:403:9 in 
gnutls_server_rawpk_fuzzer.log:SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior num.h:60:12 in 
gnutls_server_rawpk_fuzzer.log:SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior num.h:60:12 in 
gnutls_server_rawpk_fuzzer.log:SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior buffers.h:89:15 in 
gnutls_set_trust_file_fuzzer.log:SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior verify-high.c:284:7 in 
gnutls_srp_client_fuzzer.log:SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior buffers.h:96:15 in 
gnutls_srp_client_fuzzer.log:SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior handshake.c:2704:34 in 
gnutls_srp_client_fuzzer.log:SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior rnd-fuzzer.c:122:10 in 
gnutls_srp_client_fuzzer.log:SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior kx.c:299:34 in 
gnutls_srp_client_fuzzer.log:SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior hello_ext.c:403:9 in 
gnutls_srp_client_fuzzer.log:SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior record.c:1173:61 in 
gnutls_srp_client_fuzzer.log:SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior buffers.c:982:15 in 
gnutls_srp_client_fuzzer.log:SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior hello_ext.c:298:9 in 
gnutls_srp_client_fuzzer.log:SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior buffers.h:89:15 in 
gnutls_srp_client_fuzzer.log:SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior record.c:1773:47 in 
gnutls_srp_client_fuzzer.log:SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior buffers.h:89:15 in 
gnutls_srp_server_fuzzer.log:SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior buffers.h:96:15 in 
gnutls_srp_server_fuzzer.log:SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior rnd-fuzzer.c:122:10 in 
gnutls_srp_server_fuzzer.log:SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior handshake.c:2704:34 in 
gnutls_srp_server_fuzzer.log:SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior record.c:1173:61 in 
gnutls_srp_server_fuzzer.log:SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior buffers.c:982:15 in 
gnutls_srp_server_fuzzer.log:SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior num.h:60:12 in 
gnutls_srp_server_fuzzer.log:SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior hello_ext.c:298:9 in 
gnutls_srp_server_fuzzer.log:SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior kx.c:299:34 in 
gnutls_srp_server_fuzzer.log:SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior buffers.h:89:15 in 
gnutls_srp_server_fuzzer.log:SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior hello_ext.c:403:9 in 
gnutls_srp_server_fuzzer.log:SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior num.h:60:12 in 
gnutls_srp_server_fuzzer.log:SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior record.c:1773:47 in 
gnutls_srp_server_fuzzer.log:SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior buffers.h:89:15 in 
gnutls_srp_server_fuzzer.log:SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior record.c:1155:22 in 
gnutls_x509_verify_fuzzer.log:SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior verify.c:660:29 in 
```

We should fix these and then set UBSAN_OPTIONS in the CI to abort on UB.

-- 
Reply to this email directly or view it on GitLab: https://gitlab.com/gnutls/gnutls/issues/878
You're receiving this email because of your account on gitlab.com.


-------------- next part --------------
An HTML attachment was scrubbed...
URL: <https://lists.gnupg.org/pipermail/gnutls-devel/attachments/20191218/08b7fa1f/attachment-0001.html>


More information about the Gnutls-devel mailing list