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

Prevent a double free.

Browse Source 
This is similar to r281756 so set the ptr NULL after free as a safety belt
against future changes.

Obtained from:	HardenedBSD (b2e77ced9ae213d358b44d98f552d9ae4636ecac)
Submitted by:	Oliver Pinter
Revewed by:	rmacklem
This commit is contained in:
pfg 2015-04-20 16:40:13 +00:00
parent a9137e11b6
commit 2c313e6688
1 changed files with 3 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
sys/fs/nfsclient/nfs_clrpcops.c
View File

@ -537,8 +537,10 @@ nfsrpc_openrpc(struct nfsmount *nmp, vnode_t vp, u_int8_t *nfhp, int fhlen,
(void) nfs_catnap(PZERO, ret, "nfs_open2");
} while (ret == NFSERR_DELAY);
if (ret) {
if (ndp != NULL)
if (ndp != NULL) {
FREE((caddr_t)ndp, M_NFSCLDELEG);
ndp = NULL;
}
if (ret == NFSERR_STALECLIENTID ||
ret == NFSERR_STALEDONTRECOVER ||
ret == NFSERR_BADSESSION)