Date: Tue, 23 Jun 2020 03:32:58 +0000 (UTC) From: Konstantin Belousov <kib@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-11@freebsd.org Subject: svn commit: r362529 - stable/11/libexec/rtld-elf Message-ID: <202006230332.05N3WwTt076163@repo.freebsd.org>
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Author: kib Date: Tue Jun 23 03:32:58 2020 New Revision: 362529 URL: https://svnweb.freebsd.org/changeset/base/362529 Log: MFC r362251: rtld: Allow to load ET_DYN && DF_1_PIE when tracing. Modified: stable/11/libexec/rtld-elf/rtld.c Directory Properties: stable/11/ (props changed) Modified: stable/11/libexec/rtld-elf/rtld.c ============================================================================== --- stable/11/libexec/rtld-elf/rtld.c Tue Jun 23 03:32:20 2020 (r362528) +++ stable/11/libexec/rtld-elf/rtld.c Tue Jun 23 03:32:58 2020 (r362529) @@ -2541,12 +2541,13 @@ do_load_object(int fd, const char *name, char *path, s obj->path = path; if (!digest_dynamic(obj, 0)) goto errp; - if (obj->z_pie) { + dbg("%s valid_hash_sysv %d valid_hash_gnu %d dynsymcount %d", obj->path, + obj->valid_hash_sysv, obj->valid_hash_gnu, obj->dynsymcount); + if (obj->z_pie && (flags & RTLD_LO_TRACE) == 0) { + dbg("refusing to load PIE executable \"%s\"", obj->path); _rtld_error("Cannot load PIE binary %s as DSO", obj->path); goto errp; } - dbg("%s valid_hash_sysv %d valid_hash_gnu %d dynsymcount %d", obj->path, - obj->valid_hash_sysv, obj->valid_hash_gnu, obj->dynsymcount); if (obj->z_noopen && (flags & (RTLD_LO_DLOPEN | RTLD_LO_TRACE)) == RTLD_LO_DLOPEN) { dbg("refusing to load non-loadable \"%s\"", obj->path);
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