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MINOR: quic: Wrong ACK range building

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When adding a range, if no "lower" range was present in the ack range root for
the packet number space concerned, we did not check if the new added range could
overlap the next one. This leaded haproxy to crash when encoding negative integer
when building ACK frames.
This bug was revealed thanks to "multi_packet_client_hello" QUIC tracker
test which makes a client send two first Initial packets out of order.
This commit is contained in:
Frédéric Lécaille 2021-11-16 10:54:19 +01:00
parent f67b35620e
commit 0e25783d47
1 changed files with 2 additions and 0 deletions
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2
src/xprt_quic.c
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@ -2592,6 +2592,8 @@ int quic_update_ack_ranges_list(struct quic_arngs *arngs,
new_node = quic_insert_new_range(arngs, ar);
if (!new_node)
return 0;
new = &new_node->first;
}
else {
struct quic_arng_node *le_ar =