d/freebsd-dev
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Clear f_rabuf after freeing the memory it points to. This prevents a

Browse Source 
possible double free.

Obtained from:	Juniper Networks, Inc.
This commit is contained in:
Marcel Moolenaar 2013-12-18 04:52:30 +00:00
parent 157a2d49a0
commit 983d2efd20
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=259540
1 changed files with 3 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
lib/libstand/close.c
View File

@ -75,8 +75,10 @@ close(int fd)
errno = EBADF;
return (-1);
}
if (f->f_rabuf != NULL)
if (f->f_rabuf != NULL) {
free(f->f_rabuf);
f->f_rabuf = NULL;
}
if (!(f->f_flags & F_RAW) && f->f_ops)
err1 = (f->f_ops->fo_close)(f);
if (!(f->f_flags & F_NODEV) && f->f_dev)