From: Florian Westphal Date: Thu, 11 Dec 2025 12:16:49 +0000 (+0100) Subject: selftests: netfilter: packetdrill: avoid failure on HZ=100 kernel X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=fec7b0795548b43e2c3c46e3143c34ef6070341c;p=thirdparty%2Flinux.git selftests: netfilter: packetdrill: avoid failure on HZ=100 kernel packetdrill --ip_version=ipv4 --mtu=1500 --tolerance_usecs=1000000 --non_fatal packet conntrack_syn_challenge_ack.pkt conntrack v1.4.8 (conntrack-tools): 1 flow entries have been shown. conntrack_syn_challenge_ack.pkt:32: error executing `conntrack -f $NFCT_IP_VERSION \ -L -p tcp --dport 8080 | grep UNREPLIED | grep -q SYN_SENT` command: non-zero status 1 Affected kernel had CONFIG_HZ=100; reset packet was still sitting in backlog. Reported-by: Yi Chen Fixes: a8a388c2aae4 ("selftests: netfilter: add packetdrill based conntrack tests") Signed-off-by: Florian Westphal --- diff --git a/tools/testing/selftests/net/netfilter/packetdrill/conntrack_syn_challenge_ack.pkt b/tools/testing/selftests/net/netfilter/packetdrill/conntrack_syn_challenge_ack.pkt index 3442cd29bc93..cdb3910af95b 100644 --- a/tools/testing/selftests/net/netfilter/packetdrill/conntrack_syn_challenge_ack.pkt +++ b/tools/testing/selftests/net/netfilter/packetdrill/conntrack_syn_challenge_ack.pkt @@ -26,7 +26,7 @@ +0.01 > R 643160523:643160523(0) win 0 -+0.01 `conntrack -f $NFCT_IP_VERSION -L -p tcp --dport 8080 2>/dev/null | grep UNREPLIED | grep -q SYN_SENT` ++0.1 `conntrack -f $NFCT_IP_VERSION -L -p tcp --dport 8080 2>/dev/null | grep UNREPLIED | grep -q SYN_SENT` // Must go through. +0.01 > S 0:0(0) win 65535