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ksmbd: prevent use-after-free in oplock/lease break ack error path #1286

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ksmbd: prevent use-after-free in oplock/lease break ack error path #1286

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6 changes: 2 additions & 4 deletions fs/smb/server/smb2pdu.c
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Original file line number Diff line number Diff line change
Expand Up @@ -8585,8 +8585,7 @@ static void smb20_oplock_break_ack(struct ksmbd_work *work)
rsp->VolatileFid = volatile_id;
rsp->PersistentFid = persistent_id;
ret = ksmbd_iov_pin_rsp(work, rsp, sizeof(struct smb2_oplock_break));
if (!ret)
return;
return;

err_out:
opinfo->op_state = OPLOCK_STATE_NONE;
Expand Down Expand Up @@ -8737,8 +8736,7 @@ static void smb21_lease_break_ack(struct ksmbd_work *work)
rsp->LeaseState = lease_state;
rsp->LeaseDuration = 0;
ret = ksmbd_iov_pin_rsp(work, rsp, sizeof(struct smb2_lease_ack));
if (!ret)
return;
return;

err_out:
wake_up_interruptible_all(&opinfo->oplock_q);
Expand Down