https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=275577
Bug ID: 275577
Summary: Thread sanitizer is not usable under FreeBSD 13.2 and
14.0
Product: Base System
Version: 14.0-RELEASE
Hardware: amd64
OS: Any
Status: New
Severity: Affects Some People
Priority: ---
Component: bin
Assignee: [email protected]
Reporter: [email protected]
Programs compiled under FreeBSD 13.2 or 14.0 (amd64) with -fsanitize=thread hit
a null pointer dereference and dump core very early upon startup.
Steps to reproduce:
printf '#include <stdio.h>\nint main() { printf("Hello, world\\n"); }\n' > t.c
cc -fsanitize=thread -o t t.c && ./t
Interestingly, running the binary under gdb works, which hints that gdb sets up
the process in a TSan-friendly way.
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