This is a note to let you know that I've just added the patch titled
CIFS: Fix memory leaks in SMB2_open
to the 3.15-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
cifs-fix-memory-leaks-in-smb2_open.patch
and it can be found in the queue-3.15 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 663a962151593c69374776e8651238d0da072459 Mon Sep 17 00:00:00 2001
From: Pavel Shilovsky <pshilovsky@xxxxxxxxx>
Date: Sat, 24 May 2014 16:42:02 +0400
Subject: CIFS: Fix memory leaks in SMB2_open
From: Pavel Shilovsky <pshilovsky@xxxxxxxxx>
commit 663a962151593c69374776e8651238d0da072459 upstream.
Signed-off-by: Pavel Shilovsky <pshilovsky@xxxxxxxxx>
Reviewed-by: Shirish Pargaonkar <spargaonkar@xxxxxxxx>
Signed-off-by: Steve French <smfrench@xxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
fs/cifs/smb2pdu.c | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
--- a/fs/cifs/smb2pdu.c
+++ b/fs/cifs/smb2pdu.c
@@ -1089,6 +1089,7 @@ SMB2_open(const unsigned int xid, struct
int rc = 0;
unsigned int num_iovecs = 2;
__u32 file_attributes = 0;
+ char *dhc_buf = NULL, *lc_buf = NULL;
cifs_dbg(FYI, "create/open\n");
@@ -1155,6 +1156,7 @@ SMB2_open(const unsigned int xid, struct
kfree(copy_path);
return rc;
}
+ lc_buf = iov[num_iovecs-1].iov_base;
}
if (*oplock == SMB2_OPLOCK_LEVEL_BATCH) {
@@ -1169,9 +1171,10 @@ SMB2_open(const unsigned int xid, struct
if (rc) {
cifs_small_buf_release(req);
kfree(copy_path);
- kfree(iov[num_iovecs-1].iov_base);
+ kfree(lc_buf);
return rc;
}
+ dhc_buf = iov[num_iovecs-1].iov_base;
}
rc = SendReceive2(xid, ses, iov, num_iovecs, &resp_buftype, 0);
@@ -1203,6 +1206,8 @@ SMB2_open(const unsigned int xid, struct
*oplock = rsp->OplockLevel;
creat_exit:
kfree(copy_path);
+ kfree(lc_buf);
+ kfree(dhc_buf);
free_rsp_buf(resp_buftype, rsp);
return rc;
}
Patches currently in stable-queue which might be from pshilovsky@xxxxxxxxx are
queue-3.15/cifs-fix-memory-leaks-in-smb2_open.patch
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