From: Jeremy Allison <jra@samba.org>
Date: Tue, 3 Oct 2017 00:36:51 +0000 (-0700)
Subject: s3: VFS: Ensure default SMB_VFS_GETWD() call can't return a partially completed struc... 
X-Git-Url: http://git.samba.org/?a=commitdiff_plain;h=b07f22158d7feaf9146b68a874427efe0538dbb6;p=metze%2Fsamba%2Fwip.git

s3: VFS: Ensure default SMB_VFS_GETWD() call can't return a partially completed struct smb_filename.

BUG: https://bugzilla.samba.org/show_bug.cgi?id=13068

Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>

Autobuild-User(master): Ralph Böhme <slow@samba.org>
Autobuild-Date(master): Wed Oct  4 14:05:33 CEST 2017 on sn-devel-144
---

diff --git a/source3/modules/vfs_default.c b/source3/modules/vfs_default.c
index 0a56e457ab92..53d97859ec3a 100644
--- a/source3/modules/vfs_default.c
+++ b/source3/modules/vfs_default.c
@@ -2226,6 +2226,10 @@ static struct smb_filename *vfswrap_getwd(vfs_handle_struct *handle,
 	START_PROFILE(syscall_getwd);
 	result = sys_getwd();
 	END_PROFILE(syscall_getwd);
+
+	if (result == NULL) {
+		return NULL;
+	}
 	smb_fname = synthetic_smb_fname(ctx,
 				result,
 				NULL,