3.14-stable review patch. If anyone has any objections, please let me know.
------------------
From: Trond Myklebust <trond.mykleb...@primarydata.com>
commit d8ba1f971497c19cf80da1ea5391a46a5f9fbd41 upstream.
If the call to decode_rc_list() fails due to a memory allocation error,
then we need to truncate the array size to ensure that we only call
kfree() on those pointer that were allocated.
Reported-by: David Ramos <dara...@stanford.edu>
Fixes: 4aece6a19cf7f ("nfs41: cb_sequence xdr implementation")
Signed-off-by: Trond Myklebust <trond.mykleb...@primarydata.com>
Signed-off-by: Greg Kroah-Hartman <gre...@linuxfoundation.org>
---
fs/nfs/callback_xdr.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
--- a/fs/nfs/callback_xdr.c
+++ b/fs/nfs/callback_xdr.c
@@ -464,8 +464,10 @@ static __be32 decode_cb_sequence_args(st
for (i = 0; i < args->csa_nrclists; i++) {
status = decode_rc_list(xdr, &args->csa_rclists[i]);
- if (status)
+ if (status) {
+ args->csa_nrclists = i;
goto out_free;
+ }
}
}
status = 0;
--
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