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Date:      Mon, 20 Jul 2020 17:04:26 +0000 (UTC)
From:      Leandro Lupori <luporl@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: r363372 - stable/12/libexec/rtld-elf
Message-ID:  <202007201704.06KH4QeN016209@repo.freebsd.org>

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Author: luporl
Date: Mon Jul 20 17:04:25 2020
New Revision: 363372
URL: https://svnweb.freebsd.org/changeset/base/363372

Log:
  MFC r362958
  
  Handle non-PLT GNU IFUNC relocations in rtld

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	Mon Jul 20 16:51:18 2020	(r363371)
+++ stable/12/libexec/rtld-elf/rtld.c	Mon Jul 20 17:04:25 2020	(r363372)
@@ -3064,7 +3064,8 @@ resolve_object_ifunc(Obj_Entry *obj, bool bind_now, in
 		return (0);
 	obj->ifuncs_resolved = true;
 	if (!obj->irelative && !obj->irelative_nonplt &&
-	    !((obj->bind_now || bind_now) && obj->gnu_ifunc))
+	    !((obj->bind_now || bind_now) && obj->gnu_ifunc) &&
+	    !obj->non_plt_gnu_ifunc)
 		return (0);
 	if (obj_disable_relro(obj) == -1 ||
 	    (obj->irelative && reloc_iresolve(obj, lockstate) == -1) ||
@@ -3072,6 +3073,8 @@ resolve_object_ifunc(Obj_Entry *obj, bool bind_now, in
 	    lockstate) == -1) ||
 	    ((obj->bind_now || bind_now) && obj->gnu_ifunc &&
 	    reloc_gnu_ifunc(obj, flags, lockstate) == -1) ||
+	    (obj->non_plt_gnu_ifunc && reloc_non_plt(obj, &obj_rtld,
+	    flags | SYMLOOK_IFUNC, lockstate) == -1) ||
 	    obj_enforce_relro(obj) == -1)
 		return (-1);
 	return (0);



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