6.1-stable review patch. If anyone has any objections, please let me know.
------------------
From: Namjae Jeon <linkinjeon@xxxxxxxxxx>
[ Upstream commit 1903e6d0578118e9aab1ee23f4a9de55737d1d05 ]
Fix new smatch warnings:
fs/smb/server/smb2pdu.c:6131 smb2_read_pipe() error: double free of 'rpc_resp'
Fixes: e2b76ab8b5c9 ("ksmbd: add support for read compound")
Reported-by: kernel test robot <lkp@xxxxxxxxx>
Reported-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
Signed-off-by: Namjae Jeon <linkinjeon@xxxxxxxxxx>
Signed-off-by: Steve French <stfrench@xxxxxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
fs/smb/server/smb2pdu.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/fs/smb/server/smb2pdu.c b/fs/smb/server/smb2pdu.c
index c773272cd3ac2..a89a69d752a3b 100644
--- a/fs/smb/server/smb2pdu.c
+++ b/fs/smb/server/smb2pdu.c
@@ -6152,12 +6152,12 @@ static noinline int smb2_read_pipe(struct ksmbd_work *work)
memcpy(aux_payload_buf, rpc_resp->payload, rpc_resp->payload_sz);
nbytes = rpc_resp->payload_sz;
- kvfree(rpc_resp);
err = ksmbd_iov_pin_rsp_read(work, (void *)rsp,
offsetof(struct smb2_read_rsp, Buffer),
aux_payload_buf, nbytes);
if (err)
goto out;
+ kvfree(rpc_resp);
} else {
err = ksmbd_iov_pin_rsp(work, (void *)rsp,
offsetof(struct smb2_read_rsp, Buffer));
--
2.43.0
