Date: Sun, 14 Oct 2018 10:06:45 +0000 From: bugzilla-noreply@freebsd.org To: ports-bugs@FreeBSD.org Subject: [Bug 232235] valgrind doesn't find trivial leak on head anymore, works on stable/11 Message-ID: <bug-232235-7788@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D232235 Bug ID: 232235 Summary: valgrind doesn't find trivial leak on head anymore, works on stable/11 Product: Ports & Packages Version: Latest Hardware: amd64 OS: Any Status: New Keywords: regression Severity: Affects Only Me Priority: --- Component: Individual Port(s) Assignee: ports-bugs@FreeBSD.org Reporter: tuexen@freebsd.org Attachment #198117 text/plain mime type: Created attachment 198117 --> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=3D198117&action= =3Dedit Sample program leaking 1KB When testing valgrind on a stable/11 amd64 system with the attached test program leak.c results in what is expected: tuexen@stable11:~ % cc -o leak leak.c tuexen@stable11:~ % valgrind --leak-check=3Dfull ./leak =3D=3D56478=3D=3D Memcheck, a memory error detector =3D=3D56478=3D=3D Copyright (C) 2002-2013, and GNU GPL'd, by Julian Seward = et al. =3D=3D56478=3D=3D Using Valgrind-3.10.1 and LibVEX; rerun with -h for copyr= ight info =3D=3D56478=3D=3D Command: ./leak =3D=3D56478=3D=3D=20 =3D=3D56478=3D=3D=20 =3D=3D56478=3D=3D HEAP SUMMARY: =3D=3D56478=3D=3D in use at exit: 1,024 bytes in 1 blocks =3D=3D56478=3D=3D total heap usage: 1 allocs, 0 frees, 1,024 bytes alloca= ted =3D=3D56478=3D=3D=20 =3D=3D56478=3D=3D 1,024 bytes in 1 blocks are definitely lost in loss recor= d 1 of 1 =3D=3D56478=3D=3D at 0x4C255B5: malloc (in /usr/local/lib/valgrind/vgpreload_memcheck-amd64-freebsd.so) =3D=3D56478=3D=3D by 0x4007BA: main (in /usr/home/tuexen/leak) =3D=3D56478=3D=3D=20 =3D=3D56478=3D=3D LEAK SUMMARY: =3D=3D56478=3D=3D definitely lost: 1,024 bytes in 1 blocks =3D=3D56478=3D=3D indirectly lost: 0 bytes in 0 blocks =3D=3D56478=3D=3D possibly lost: 0 bytes in 0 blocks =3D=3D56478=3D=3D still reachable: 0 bytes in 0 blocks =3D=3D56478=3D=3D suppressed: 0 bytes in 0 blocks =3D=3D56478=3D=3D=20 =3D=3D56478=3D=3D For counts of detected and suppressed errors, rerun with:= -v =3D=3D56478=3D=3D ERROR SUMMARY: 1 errors from 1 contexts (suppressed: 0 fr= om 0) whereas on a head system (r339354) amd64 I get: tuexen@epyc:~ % cc -o leak leak.c tuexen@epyc:~ % valgrind ./leak =3D=3D1760=3D=3D Memcheck, a memory error detector =3D=3D1760=3D=3D Copyright (C) 2002-2013, and GNU GPL'd, by Julian Seward e= t al. =3D=3D1760=3D=3D Using Valgrind-3.10.1 and LibVEX; rerun with -h for copyri= ght info =3D=3D1760=3D=3D Command: ./leak =3D=3D1760=3D=3D=20 =3D=3D1760=3D=3D=20 =3D=3D1760=3D=3D HEAP SUMMARY: =3D=3D1760=3D=3D in use at exit: 0 bytes in 0 blocks =3D=3D1760=3D=3D total heap usage: 0 allocs, 0 frees, 0 bytes allocated =3D=3D1760=3D=3D=20 =3D=3D1760=3D=3D All heap blocks were freed -- no leaks are possible =3D=3D1760=3D=3D=20 =3D=3D1760=3D=3D For counts of detected and suppressed errors, rerun with: = -v =3D=3D1760=3D=3D ERROR SUMMARY: 0 errors from 0 contexts (suppressed: 0 fro= m 0) --=20 You are receiving this mail because: You are the assignee for the bug.=
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