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-rw-r--r--elf/dl-open.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/elf/dl-open.c b/elf/dl-open.c
index 2ab1e307a4..294a523aac 100644
--- a/elf/dl-open.c
+++ b/elf/dl-open.c
@@ -570,6 +570,12 @@ _dl_open (const char *file, int mode, const void *caller_dlopen, Lmid_t nsid)
no more namespaces available for dlmopen()"));
}
}
+ /* Never allow loading a DSO in a namespace which is empty. Such
+ direct placements is only causing problems. */
+ else if (nsid != LM_ID_BASE && nsid != __LM_ID_CALLER
+ && GL(dl_ns)[nsid]._ns_nloaded == 0)
+ GLRO(dl_signal_error) (EINVAL, file, NULL,
+ N_("invalid target namespace in dlmopen()"));
args.file = file;
args.mode = mode;