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authorDJ Delorie <dj@delorie.com>2017-07-19 13:14:34 -0400
committerDJ Delorie <dj@delorie.com>2017-07-19 13:17:03 -0400
commitf8cef4d07d9641e27629bd3ce2d13f5d702fb251 (patch)
treea7d3591b91a319798aa5f1cd476b166ce71b1a36
parent4f329ea996af7e3414b1806c86f6d32866d34b36 (diff)
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Fix cast-after-dereference
Original code was dereferencing a char*, then casting the value to size_t. Should cast the pointer to size_t* then deference.
-rw-r--r--ChangeLog4
-rw-r--r--grp/grp-merge.c2
2 files changed, 5 insertions, 1 deletions
diff --git a/ChangeLog b/ChangeLog
index d514f08b53..8618e26206 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2017-07-19 DJ Delorie <dj@delorie.com>
+
+ * grp/grp-merge.c (libc_hidden_def): Fix cast-after-dereference.
+
2017-07-19 H.J. Lu <hongjiu.lu@intel.com>
[BZ #21741]
diff --git a/grp/grp-merge.c b/grp/grp-merge.c
index 6590e5d823..035e7a604b 100644
--- a/grp/grp-merge.c
+++ b/grp/grp-merge.c
@@ -137,7 +137,7 @@ __merge_grp (struct group *savedgrp, char *savedbuf, char *savedend,
/* Get the count of group members from the last sizeof (size_t) bytes in the
mergegrp buffer. */
- savedmemcount = (size_t) *(savedend - sizeof (size_t));
+ savedmemcount = *(size_t *) (savedend - sizeof (size_t));
/* Get the count of new members to add. */
for (memcount = 0; mergegrp->gr_mem[memcount]; memcount++)