On 11.09.2019 21:03, Robert Elz wrote: > Date: Wed, 11 Sep 2019 17:02:53 +0000 > From: "Kamil Rytarowski" <kamil%netbsd.org@localhost> > Message-ID: <20190911170253.D097FFBF4%cvs.NetBSD.org@localhost> > > | Free it when no longer used, just before the program termination. > > Can we please avoid this kind of nonsense. Everything is freed when > every program exits - doing explicit free() calls makes the program bigger > and slower for no reason at all. > > By all means fix places where memory is truly leaked (whenre more is > continuously allocated, and simply discarded) but anything that is supposed > to remain until program exit should simply go away when the exit happens. > > If the canitisers cannot be instructed to ignore such things, they are > much less useful tan they could be. > > kre > Every leak detector works in the same way. We have got even fixups in libc for such "nonsense" cases. https://nxr.netbsd.org/xref/src/lib/libc/stdlib/atexit.c#247 A workaround would be to use either __lsan_disable() or __lsan_ignore_object() from lsan_interface.h. But it won't handle leaks from other tools such as Valgrind. Also better to use the standard free(3).
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