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| author | DJ Delorie <dj@delorie.com> | 2017-07-19 13:14:34 -0400 |
|---|---|---|
| committer | DJ Delorie <dj@delorie.com> | 2017-07-19 13:17:03 -0400 |
| commit | f8cef4d07d9641e27629bd3ce2d13f5d702fb251 (patch) | |
| tree | a7d3591b91a319798aa5f1cd476b166ce71b1a36 | |
| parent | 4f329ea996af7e3414b1806c86f6d32866d34b36 (diff) | |
| download | glibc-f8cef4d07d9641e27629bd3ce2d13f5d702fb251.tar.gz glibc-f8cef4d07d9641e27629bd3ce2d13f5d702fb251.tar.xz glibc-f8cef4d07d9641e27629bd3ce2d13f5d702fb251.zip | |
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-- | ChangeLog | 4 | ||||
| -rw-r--r-- | grp/grp-merge.c | 2 |
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++) |