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PR28448, Memory leak in function add_symbols(plugin.c)

Message ID Zc3HVzeGPJow4z6i@squeak.grove.modra.org
State Accepted
Headers
Series PR28448, Memory leak in function add_symbols(plugin.c) |

Checks

Context Check Description
snail/binutils-gdb-check success Github commit url

Commit Message

Alan Modra Feb. 15, 2024, 8:12 a.m. UTC 
  PR 28448
	* plugin.c (add_symbols): bfd_alloc memory for symptrs.  Check
	bfd_make_empty_symbol return.
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Patch

diff --git a/ld/plugin.c b/ld/plugin.c
index e982869072b..f81ab02b3a6 100644
--- a/ld/plugin.c
+++ b/ld/plugin.c
@@ -506,7 +506,9 @@  add_symbols (void *handle, int nsyms, const struct ld_plugin_symbol *syms)
   int n;
 
   ASSERT (called_plugin);
-  symptrs = xmalloc (nsyms * sizeof *symptrs);
+  symptrs = bfd_alloc (abfd, nsyms * sizeof *symptrs);
+  if (symptrs == NULL)
+    return LDPS_ERR;
   for (n = 0; n < nsyms; n++)
     {
       enum ld_plugin_status rv;
@@ -514,6 +516,8 @@  add_symbols (void *handle, int nsyms, const struct ld_plugin_symbol *syms)
 
       bfdsym = bfd_make_empty_symbol (abfd);
       symptrs[n] = bfdsym;
+      if (bfdsym == NULL)
+	return LDPS_ERR;
       rv = asymbol_from_plugin_symbol (abfd, bfdsym, syms + n);
       if (rv != LDPS_OK)
 	return rv;