> Date: Sat, 22 Feb 2020 17:25:42 +0100 > From: Kamil Rytarowski <n...@gmx.com> > > When running the ATF tests under MKLIBCSANITIZER [1], there are many > NULL pointer arithmetic issues . > > http://netbsd.org/~kamil/mksanitizer-reports/ubsan-2020-02-22-null-pointer.txt > > These issues are in macros like: > - IN_ADDRHASH_READER_FOREACH() > - IN_ADDRLIST_WRITER_INSERT_TAIL() > - IFADDR_READER_FOREACH() > - etc > > These macros wrap internally pserialize-safe linked lists. > > What's the proper approach to address this issue?
What do these reports mean? UBSan: Undefined Behavior in /usr/src/sys/rump/net/lib/libnet/../../../../netinet6/in6.c:2351:2, pointer expression with base 0 overflowed to 0
