From b49329d93ce6700b3cb8e6acfe5943e8cc9043a8 Mon Sep 17 00:00:00 2001 From: Roland McGrath Date: Thu, 9 Oct 2003 22:34:17 +0000 Subject: [PATCH] 2003-10-09 Roland McGrath * elf/rtld.c (dl_main): Don't set l_name for sysinfo DSO, since there is no file to name. --- elf/rtld.c | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-) diff --git a/elf/rtld.c b/elf/rtld.c index 4291f18..4f22a62 100644 --- a/elf/rtld.c +++ b/elf/rtld.c @@ -1176,7 +1176,9 @@ of this helper program; chances are you did not intend to run this program.\n\ l->l_map_start = (ElfW(Addr)) GL(dl_sysinfo_dso); /* Now that we have the info handy, use the DSO image's soname - so this object can be looked up by name. */ + so this object can be looked up by name. Note that we do not + set l_name here. That field gives the file name of the DSO, + and this DSO is not associated with any file. */ if (l->l_info[DT_SONAME] != NULL) { /* Work around a kernel problem. The kernel cannot handle @@ -1184,10 +1186,10 @@ of this helper program; chances are you did not intend to run this program.\n\ const char *dsoname = ((char *) D_PTR (l, l_info[DT_STRTAB]) + l->l_info[DT_SONAME]->d_un.d_val); size_t len = strlen (dsoname); - l->l_name = (char *) malloc (len); - if (l->l_name == NULL) + char *copy = malloc (len); + if (copy == NULL) _dl_fatal_printf ("out of memory\n"); - l->l_libname->name = memcpy (l->l_name, dsoname, len); + l->l_libname->name = memcpy (copy, dsoname, len); } } } -- 2.7.4