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tcp: fix sending RST after second inp lookup

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When we first find an inp, we set also the tp. If then a second
lookup is necessary, the inp is recomputed. If this fails, the
tp is not cleared, which resulted in failing KASSERT.
Therefore, clear the tp when staring the inp lookup procedure.
Reported by:	Jenkins
Fixes:		02d15215ce ("tcp: improve blackhole support")
MFC after:	1 week
Sponsored by:	Netflix, Inc.
This commit is contained in:
Michael Tuexen 2024-05-25 19:46:33 +02:00
parent 0a44b8a56d
commit df9de82f54
1 changed files with 1 additions and 0 deletions
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1
sys/netinet/tcp_input.c
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@ -833,6 +833,7 @@ tcp_input_with_port(struct mbuf **mp, int *offp, int proto, uint16_t port)
((thflags & (TH_ACK|TH_SYN)) == TH_SYN ?
INPLOOKUP_RLOCKPCB : INPLOOKUP_WLOCKPCB);
findpcb:
tp = NULL;
#ifdef INET6
if (isipv6 && fwd_tag != NULL) {
struct sockaddr_in6 *next_hop6;