Date: Tue, 03 Sep 2019 14:06:00 -0000 From: Konstantin Belousov <kib@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-12@freebsd.org Subject: svn commit: r345731 - stable/12/libexec/rtld-elf Message-ID: <201903301004.x2UA4hij075458@repo.freebsd.org>
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Author: kib Date: Sat Mar 30 10:04:42 2019 New Revision: 345731 URL: https://svnweb.freebsd.org/changeset/base/345731 Log: MFC r345620: rtld: disable relro enforcement for irelative relocation processing. Modified: stable/12/libexec/rtld-elf/rtld.c Directory Properties: stable/12/ (props changed) Modified: stable/12/libexec/rtld-elf/rtld.c ============================================================================== --- stable/12/libexec/rtld-elf/rtld.c Sat Mar 30 10:03:26 2019 (r345730) +++ stable/12/libexec/rtld-elf/rtld.c Sat Mar 30 10:04:42 2019 (r345731) @@ -2951,14 +2951,14 @@ resolve_object_ifunc(Obj_Entry *obj, bool bind_now, in if (obj->ifuncs_resolved) return (0); obj->ifuncs_resolved = true; - if (obj->irelative && reloc_iresolve(obj, lockstate) == -1) + if (!obj->irelative && !((obj->bind_now || bind_now) && obj->gnu_ifunc)) + return (0); + if (obj_disable_relro(obj) == -1 || + (obj->irelative && reloc_iresolve(obj, lockstate) == -1) || + ((obj->bind_now || bind_now) && obj->gnu_ifunc && + reloc_gnu_ifunc(obj, flags, lockstate) == -1) || + obj_enforce_relro(obj) == -1) return (-1); - if ((obj->bind_now || bind_now) && obj->gnu_ifunc) { - if (obj_disable_relro(obj) || - reloc_gnu_ifunc(obj, flags, lockstate) == -1 || - obj_enforce_relro(obj)) - return (-1); - } return (0); }
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