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| author | Trond Myklebust | 2017-08-01 22:02:47 +0200 |
|---|---|---|
| committer | Anna Schumaker | 2017-08-01 22:28:55 +0200 |
| commit | fd40559c8657418385e42f797e0b04bfc0add748 (patch) | |
| tree | 2e90e12a96fc87b33c34be6082bf42be81322154 /fs/nfs/nfs4session.h | |
| parent | NFSv4.1: Fix a race where CB_NOTIFY_LOCK fails to wake a waiter (diff) | |
| download | kernel-qcow2-linux-fd40559c8657418385e42f797e0b04bfc0add748.tar.gz kernel-qcow2-linux-fd40559c8657418385e42f797e0b04bfc0add748.tar.xz kernel-qcow2-linux-fd40559c8657418385e42f797e0b04bfc0add748.zip | |
NFSv4: Fix EXCHANGE_ID corrupt verifier issue
The verifier is allocated on the stack, but the EXCHANGE_ID RPC call was
changed to be asynchronous by commit 8d89bd70bc939. If we interrrupt
the call to rpc_wait_for_completion_task(), we can therefore end up
transmitting random stack contents in lieu of the verifier.
Fixes: 8d89bd70bc939 ("NFS setup async exchange_id")
Cc: stable@vger.kernel.org # v4.9+
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
Diffstat (limited to 'fs/nfs/nfs4session.h')
0 files changed, 0 insertions, 0 deletions