Date: Wed, 07 Dec 2016 19:21:29 +0000 From: bugzilla-noreply@freebsd.org To: freebsd-bugs@FreeBSD.org Subject: [Bug 215125] clang: Turning on sanitizer options causes the test for non-existent function mallinfo() to pass Message-ID: <bug-215125-8@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D215125 Bug ID: 215125 Summary: clang: Turning on sanitizer options causes the test for non-existent function mallinfo() to pass Product: Base System Version: 11.0-STABLE Hardware: Any OS: Any Status: New Severity: Affects Only Me Priority: --- Component: bin Assignee: freebsd-bugs@FreeBSD.org Reporter: yuri@rawbw.com Created attachment 177764 --> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=3D177764&action= =3Dedit C test program: conftest.c It fails without the sanitizer options: > cc -o conftest -O2 -pipe -fno-omit-frame-pointer -fstack-protector -fno-= strict-aliasing -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=3D2 -Qunused-arguments = -fstack-protector-all -Wstack-protector -fwrapv --param ssp-buffer-size=3D1= -fPIE -fasynchronous-unwind-tables -fno-omit-frame-pointer -I${top_srcdir}= /src/common -Wl,-rpath,/usr/local/lib -fstack-protector -pie -Wl,-z,relro = -Wl,-z,now -rdynamic conftest.c -lpthread -lexecinfo It succeeds with the sanitizer options: > cc -o conftest -O2 -pipe -fno-omit-frame-pointer -fstack-protector -fno-= strict-aliasing -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=3D2 -Qunused-arguments = -fstack-protector-all -Wstack-protector -fwrapv --param ssp-buffer-size=3D1= -fPIE -fsanitize=3Daddress -fsanitize=3Dundefined -fno-omit-frame-pointer = -fasynchronous-unwind-tables -fno-omit-frame-pointer -I${top_srcdir}/src/co= mmon -Wl,-rpath,/usr/local/lib -fstack-protector -pie -Wl,-z,relro -Wl,-z,= now -rdynamic conftest.c -lpthread -lexecinfo I found this during security/tor build on FreeBSD 11 amd64. Sanitizer options shouldn't make such difference, and the test should always fail because there is no such function. --=20 You are receiving this mail because: You are the assignee for the bug.=
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