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Re: Is -fsanitize=address working?
On Tue, 30 Sep 2025, Thomas Klausner wrote:
[...]
test
==7321==Failed spawning a tracer thread (errno 22).
==7321==LeakSanitizer has encountered a fatal error.
[...]
Does anyone know what the problem here is?
It's the recent changes for O_CLOFORK. Specifically this new test in kern_fork.c:
https://github.com/NetBSD/src/commit/60619b499672007eb37fe9705bb029758c41b4c0#diff-53fa54c22c2d2517d75acab3d1bd240a149638fbdaca8b264fe555b009fde5d2
This causes __clone(2) to fail, if the program has a FD opened with O_CLOFORK
set; and, with the last update to tzcode, it now opens /etc/localtime with that
flag set.
Thomas, can you try again after commenting out that test in kern_fork.c (r1.232)?
-RVP
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