Dynamic memory, referenced by 'princhash.data' and 'name.data',
is allocated by calling function 'memdup_user' and lost
at __cld_pipe_inprogress_downcall() function return
Found by Linux Verification Center (linuxtesting.org) with SVACE.
Fixes: 11a60d159259 ("nfsd: add a "GetVersion" upcall for nfsdcld")
Signed-off-by: Aleksandr Burakov <a.burakov@xxxxxxxxxxxx>
---
fs/nfsd/nfs4recover.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/fs/nfsd/nfs4recover.c b/fs/nfsd/nfs4recover.c
index 2c060e0b1604..02663484782d 100644
--- a/fs/nfsd/nfs4recover.c
+++ b/fs/nfsd/nfs4recover.c
@@ -850,6 +850,8 @@ __cld_pipe_inprogress_downcall(const struct cld_msg_v2 __user *cmsg,
kfree(princhash.data);
return -EFAULT;
}
+ kfree(name.data);
+ kfree(princhash.data);
return nn->client_tracking_ops->msglen;
}
return -EFAULT;
--
2.25.1
