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BUG/MINOR: quic: fix potential null dereference

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This is not a real issue because found_in_dcid can not be set if qc is
NULL.
This commit is contained in:
Amaury Denoyelle 2021-12-23 16:27:56 +01:00
parent 76f47caacc
commit c6fab98f9b
1 changed files with 1 additions and 1 deletions
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2
src/xprt_quic.c
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@ -3923,7 +3923,7 @@ static struct quic_conn *retrieve_qc_conn_from_cid(struct quic_rx_packet *pkt,
* *
* node.leaf_p is first checked to avoid unnecessary locking. * node.leaf_p is first checked to avoid unnecessary locking.
*/ */
if (found_in_dcid && qc->odcid_node.node.leaf_p) { if (qc && found_in_dcid && qc->odcid_node.node.leaf_p) {
HA_RWLOCK_WRLOCK(QUIC_LOCK, &l->rx.cids_lock); HA_RWLOCK_WRLOCK(QUIC_LOCK, &l->rx.cids_lock);
ebmb_delete(&qc->odcid_node); ebmb_delete(&qc->odcid_node);
HA_RWLOCK_WRUNLOCK(QUIC_LOCK, &l->rx.cids_lock); HA_RWLOCK_WRUNLOCK(QUIC_LOCK, &l->rx.cids_lock);