diff options
Diffstat (limited to 'elf')
| -rw-r--r-- | elf/rtld.c | 16 |
1 files changed, 13 insertions, 3 deletions
diff --git a/elf/rtld.c b/elf/rtld.c index d57d8838ac..69238399b5 100644 --- a/elf/rtld.c +++ b/elf/rtld.c @@ -1153,7 +1153,7 @@ of this helper program; chances are you did not intend to run this program.\n\ struct link_map *l = _dl_new_object ((char *) "", "", lt_library, NULL); if (__builtin_expect (l != NULL, 1)) { - static ElfW(Dyn) dyn_temp [DL_RO_DYN_TEMP_CNT]; + static ElfW(Dyn) dyn_temp[DL_RO_DYN_TEMP_CNT]; l->l_phdr = ((const void *) GL(dl_sysinfo_dso) + GL(dl_sysinfo_dso)->e_phoff); @@ -1173,12 +1173,22 @@ of this helper program; chances are you did not intend to run this program.\n\ elf_get_dynamic_info (l, dyn_temp); _dl_setup_hash (l); l->l_relocated = 1; + l->l_map_start = 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. */ if (l->l_info[DT_SONAME] != NULL) - l->l_libname->name = ((char *) D_PTR (l, l_info[DT_STRTAB]) - + l->l_info[DT_SONAME]->d_un.d_val); + { + /* Work around a kernel problem. The kernel cannot handle + addresses in the vsyscall DSO pages in writev() calls. */ + 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) + _dl_fatal_printf ("out of memory\n"); + l->l_libname->name = memcpy (l->l_name, dsoname, len); + } } } #endif |