Fix buffer allocation in files initgroups handler

2 files changed, 6 insertions, 1 deletions

diff --git a/ChangeLog b/ChangeLog
index e57f098..b09f5ef 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2011-11-07  Andreas Schwab  <schwab@redhat.com>
+
+	* nss/nss_files/files-initgroups.c (_nss_files_initgroups_dyn):
+	Fix size of allocated buffer.
+
 2011-11-04  Andreas Schwab  <schwab@redhat.com>
 
 	[BZ #10103]
diff --git a/nss/nss_files/files-initgroups.c b/nss/nss_files/files-initgroups.c
index c343b35..2f88f60 100644
--- a/nss/nss_files/files-initgroups.c
+++ b/nss/nss_files/files-initgroups.c
@@ -73,7 +73,7 @@ _nss_files_initgroups_dyn (const char *user, gid_t group, long int *start,
 	  if (buffer_use_malloc || ! __libc_use_alloca (buflen + newbuflen))
 	    {
 	      void *newbuf = realloc (buffer_use_malloc ? buffer : NULL,
-				      buflen);
+				      newbuflen);
 	      if (newbuf == NULL)
 		{
 		  *errnop = ENOMEM;