AI Trajectory


Trajectory: (Expand/Collapse All)
Seq Timestamp Type Name Duration
0/0 2026/09/03 09:19 flow patch-triage
0m Args:
null

Results:
{
  "EnableConfigs": null,
  "FocusSymbols": [],
  "KMSANReasoning": "",
  "NeedsKMSAN": false,
  "Reasoning": "The patch only adds selftest cases in tools/testing/selftests/net/openvswitch/openvswitch.sh and does not modify any kernel code.",
  "WorthFuzzing": false
}

1/1 2026/09/03 09:19 action read-patch-diff
0m Args:
null

Results:
{
  "PatchDiff": "commit d15d64a960504f1cbf9a7b7de19a8676f7c61aab\nAuthor: syz-cluster \u003ctriage@syzkaller.com\u003e\nDate:   Thu Sep 3 09:19:18 2026 +0000\n\n    syz-cluster: applied patch under review\n\ndiff --git a/tools/testing/selftests/net/openvswitch/openvswitch.sh b/tools/testing/selftests/net/openvswitch/openvswitch.sh\nindex a31f7fb6882dc..d5acdca0a0ac1 100755\n--- a/tools/testing/selftests/net/openvswitch/openvswitch.sh\n+++ b/tools/testing/selftests/net/openvswitch/openvswitch.sh\n@@ -33,7 +33,9 @@ tests=\"\n \taction_set\t\t\t\tset: SET action rewrites fields\n \ttrunc\t\t\t\t\ttrunc: output truncation\n \ticmpv6\t\t\t\t\ticmpv6: ICMPv6 echo type match\n-\tsctp_connect_v4\t\t\t\tsctp: SCTP flow key matching\n+\tsctp_connect_v4\t\t\tsctp: SCTP flow key matching\n+\tsctp_connect_v6\t\t\tsctp6: SCTP flow key matching over IPv6\n+\tsctp_nat_connect_v4\t\tsctpnat4: SCTP flow key across conntrack NAT\n \tpsample\t\t\t\t\tpsample: Sampling packets with psample\"\n \n info() {\n@@ -700,6 +702,100 @@ test_sctp_connect_v4() {\n \treturn 0\n }\n \n+# sctp_connect_v6 test\n+# - sctp(dst=4443) matches client-to-server INIT\n+# - sctp(src=4443) matches server-to-client INIT-ACK\n+# - icmpv6 NS/NA flows forward neighbour discovery\n+# - remove flows and verify connection fails, reinstall and recover\n+test_sctp_connect_v6() {\n+\tlocal t=\"test_sctp_connect_v6\"\n+\tlocal v6=\"eth_type(0x86dd),ipv6(proto=132)\"\n+\tlocal payload=\"SCTP6_DATA_OK\"\n+\tlocal rxfile=\"${ovs_base}/${t}/sctp-rx.txt\"\n+\n+\tmodprobe -q sctp 2\u003e/dev/null || return \"$ksft_skip\"\n+\tsocat -V 2\u003e\u00261 | grep -q \"define WITH_SCTP\" || return \"$ksft_skip\"\n+\t[ -e /proc/sys/net/ipv6 ] || return \"$ksft_skip\"\n+\n+\tsbx_add \"$t\" || return $?\n+\tovs_add_dp \"$t\" sctp6 || return 1\n+\n+\tinfo \"create namespaces\"\n+\tfor ns in client server; do\n+\t\tovs_add_netns_and_veths \"$t\" \"sctp6\" \"$ns\" \\\n+\t\t    \"${ns:0:1}0\" \"${ns:0:1}1\" || return 1\n+\tdone\n+\n+\tip netns exec client ip addr add fd00::1/64 dev c1 nodad\n+\tip netns exec client ip link set c1 up\n+\tip netns exec server ip addr add fd00::2/64 dev s1 nodad\n+\tip netns exec server ip link set s1 up\n+\n+\t# NS/NA forwarding\n+\tovs_add_flow \"$t\" sctp6 \\\n+\t    'in_port(1),eth(),eth_type(0x86dd),ipv6(proto=58),icmpv6()' \\\n+\t    '2' || return 1\n+\tovs_add_flow \"$t\" sctp6 \\\n+\t    'in_port(2),eth(),eth_type(0x86dd),ipv6(proto=58),icmpv6()' \\\n+\t    '1' || return 1\n+\n+\t# SCTP port matching: dst for request, src for reply\n+\tovs_add_flow \"$t\" sctp6 \\\n+\t    \"in_port(1),eth(),$v6,sctp(dst=4443)\" \\\n+\t    '2' || return 1\n+\tovs_add_flow \"$t\" sctp6 \\\n+\t    \"in_port(2),eth(),$v6,sctp(src=4443)\" \\\n+\t    '1' || return 1\n+\n+\tovs_netns_spawn_daemon \"$t\" \"server\" \\\n+\t    socat -u -t 1 SCTP6-LISTEN:4443,fork \\\n+\t    OPEN:\"$rxfile\",creat,append\n+\tovs_wait sctp_eps_has server 4443 || return 1\n+\n+\tinfo \"verify SCTP association with port-keyed flows\"\n+\tovs_sbx \"$t\" ip netns exec client \\\n+\t    timeout 3 socat -u STDIN \"SCTP6-CONNECT:[fd00::2]:4443\" \u003c/dev/null \\\n+\t    || return 1\n+\n+\tinfo \"verify SCTP DATA chunk crosses the datapath\"\n+\tovs_sbx \"$t\" ip netns exec client \\\n+\t    timeout 3 socat -u STDIN \"SCTP6-CONNECT:[fd00::2]:4443\" \\\n+\t    \u003c\u003c\u003c \"$payload\" || return 1\n+\tgrep -q \"$payload\" \"$rxfile\" 2\u003e/dev/null \\\n+\t    || { info \"server did not receive SCTP DATA payload\"\n+\t         return 1; }\n+\n+\tovs_del_flows \"$t\" sctp6\n+\n+\tinfo \"verify connection fails without flows\"\n+\tovs_add_flow \"$t\" sctp6 \\\n+\t    'in_port(1),eth(),eth_type(0x86dd),ipv6(proto=58),icmpv6()' \\\n+\t    '2' || return 1\n+\tovs_add_flow \"$t\" sctp6 \\\n+\t    'in_port(2),eth(),eth_type(0x86dd),ipv6(proto=58),icmpv6()' \\\n+\t    '1' || return 1\n+\n+\tovs_sbx \"$t\" ip netns exec client \\\n+\t    timeout 3 socat -u STDIN \"SCTP6-CONNECT:[fd00::2]:4443\" \u003c/dev/null \\\n+\t    \u003e/dev/null 2\u003e\u00261 \\\n+\t    \u0026\u0026 { info \"connection should fail without flows\"\n+\t         return 1; }\n+\n+\tinfo \"reinstall flows and verify recovery\"\n+\tovs_add_flow \"$t\" sctp6 \\\n+\t    \"in_port(1),eth(),$v6,sctp(dst=4443)\" \\\n+\t    '2' || return 1\n+\tovs_add_flow \"$t\" sctp6 \\\n+\t    \"in_port(2),eth(),$v6,sctp(src=4443)\" \\\n+\t    '1' || return 1\n+\n+\tovs_sbx \"$t\" ip netns exec client \\\n+\t    timeout 3 socat -u STDIN \"SCTP6-CONNECT:[fd00::2]:4443\" \u003c/dev/null \\\n+\t    || return 1\n+\n+\treturn 0\n+}\n+\n # psample test\n # - use psample to observe packets\n test_psample() {\n@@ -1091,6 +1187,91 @@ test_nat_connect_v4 () {\n \treturn 0\n }\n \n+# sctp_nat_connect_v4 test\n+#  - SCTP association crosses a ct(commit,nat(dst=...)) translation\n+#  - post-recirc flows match ct_state(+trk) plus the extracted SCTP ports\n+test_sctp_nat_connect_v4 () {\n+\tlocal t=\"test_sctp_nat_connect_v4\"\n+\tlocal payload=\"SCTP_NAT_DATA_OK\"\n+\tlocal rxfile=\"${ovs_base}/${t}/sctp-rx.txt\"\n+\n+\tmodprobe -q sctp 2\u003e/dev/null || return \"$ksft_skip\"\n+\tsocat -V 2\u003e\u00261 | grep -q \"define WITH_SCTP\" || return \"$ksft_skip\"\n+\t# SCTP conntrack is compiled into nf_conntrack.ko, so check that\n+\t# loading it actually exposed the SCTP conntrack sysctls.\n+\tmodprobe -q nf_conntrack 2\u003e/dev/null || return \"$ksft_skip\"\n+\t[ -e /proc/sys/net/netfilter/nf_conntrack_sctp_timeout_established ] \\\n+\t    || { info \"no SCTP conntrack support - skipping\"\n+\t         return \"$ksft_skip\"; }\n+\n+\tsbx_add \"test_sctp_nat_connect_v4\" || return $?\n+\n+\tovs_add_dp \"test_sctp_nat_connect_v4\" sctpnat4 || return 1\n+\tinfo \"create namespaces\"\n+\tfor ns in client server; do\n+\t\tovs_add_netns_and_veths \"test_sctp_nat_connect_v4\" \"sctpnat4\" \\\n+\t\t    \"$ns\" \"${ns:0:1}0\" \"${ns:0:1}1\" || return 1\n+\tdone\n+\n+\tip netns exec client ip addr add 172.31.110.10/24 dev c1\n+\tip netns exec client ip link set c1 up\n+\tip netns exec server ip addr add 172.31.110.20/24 dev s1\n+\tip netns exec server ip link set s1 up\n+\n+\tip netns exec client ip route add default via 172.31.110.20\n+\n+\t# Check if the ct action can be configured.\n+\tovs_add_flow \"test_sctp_nat_connect_v4\" sctpnat4 \\\n+\t\t'in_port(1),eth(),eth_type(0x0800),ipv4()' \\\n+\t\t'ct(commit),recirc(0x1)' \u0026\u003e /dev/null\n+\tif [ $? == 1 ]; then\n+\t\tinfo \"no support for ct action - skipping\"\n+\t\tovs_exit_sig\n+\t\treturn $ksft_skip\n+\tfi\n+\n+\tovs_del_flows \"test_sctp_nat_connect_v4\" sctpnat4\n+\n+\tovs_add_flow \"test_sctp_nat_connect_v4\" sctpnat4 \\\n+\t\t'in_port(1),eth(),eth_type(0x0806),arp()' '2' || return 1\n+\tovs_add_flow \"test_sctp_nat_connect_v4\" sctpnat4 \\\n+\t\t'in_port(2),eth(),eth_type(0x0806),arp()' '1' || return 1\n+\tovs_add_flow \"test_sctp_nat_connect_v4\" sctpnat4 \\\n+\t\t\"ct_state(-trk),in_port(1),eth(),eth_type(0x0800),ipv4(dst=192.168.0.20)\" \\\n+\t\t\"ct(commit,nat(dst=172.31.110.20)),recirc(0x1)\" || return 1\n+\tovs_add_flow \"test_sctp_nat_connect_v4\" sctpnat4 \\\n+\t\t\"ct_state(-trk),in_port(2),eth(),eth_type(0x0800),ipv4()\" \\\n+\t\t\"ct(commit,nat),recirc(0x2)\" || return 1\n+\n+\tovs_add_flow \"test_sctp_nat_connect_v4\" sctpnat4 \\\n+\t\t\"recirc_id(0x1),ct_state(+trk-inv),in_port(1),eth(),eth_type(0x0800),ipv4(proto=132),sctp(dst=4443)\" \\\n+\t\t\"2\" || return 1\n+\tovs_add_flow \"test_sctp_nat_connect_v4\" sctpnat4 \\\n+\t\t\"recirc_id(0x2),ct_state(+trk-inv),in_port(2),eth(),eth_type(0x0800),ipv4(proto=132),sctp(src=4443)\" \\\n+\t\t\"1\" || return 1\n+\n+\tovs_netns_spawn_daemon \"test_sctp_nat_connect_v4\" \"server\" \\\n+\t\tsocat -u -t 1 SCTP4-LISTEN:4443,fork \\\n+\t\tOPEN:\"$rxfile\",creat,append\n+\tovs_wait sctp_eps_has server 4443 || return 1\n+\n+\tinfo \"verify SCTP association across NAT\"\n+\tovs_sbx \"test_sctp_nat_connect_v4\" ip netns exec client \\\n+\t    timeout 3 socat -u STDIN \"SCTP4-CONNECT:192.168.0.20:4443\" \\\n+\t    \u003c/dev/null || return 1\n+\n+\tinfo \"verify SCTP DATA chunk crosses NAT\"\n+\tovs_sbx \"test_sctp_nat_connect_v4\" ip netns exec client \\\n+\t    timeout 3 socat -u STDIN \"SCTP4-CONNECT:192.168.0.20:4443\" \\\n+\t    \u003c\u003c\u003c \"$payload\" || return 1\n+\tgrep -q \"$payload\" \"$rxfile\" 2\u003e/dev/null \\\n+\t    || { info \"server did not receive SCTP DATA payload\"\n+\t         return 1; }\n+\n+\tinfo \"done...\"\n+\treturn 0\n+}\n+\n # nat_related_v4 test\n #  - client-\u003eserver ip packets go via SNAT\n #  - client solicits ICMP destination unreachable packet from server\n"
}

2/1 2026/09/03 09:19 agent patch-evaluator
0m Model:
core

Args:
null

Results:
{
  "EnableConfigs": null,
  "FocusSymbols": [],
  "Reasoning": "The patch only adds selftest cases in tools/testing/selftests/net/openvswitch/openvswitch.sh and does not modify any kernel code.",
  "WorthFuzzing": false
}

Instruction:
You are an expert Linux kernel maintainer.
Your job is to review a provided patch series and determine
if it makes functional changes to the kernel that should be fuzzed.

IMPORTANT: The changes have ALREADY been applied and committed as the HEAD commit in
your workspace. Do NOT rely on your internal knowledge of the kernel. You must actively
use your code access tools to examine the actual source code and confirm any assumptions.

Return WorthFuzzing=false if the patch only contains:
- Modifications to Documentation/, Kconfig files, or code comments.
- Purely decorative changes, such as logging (e.g., pr_err, printk) or tracepoints.
- Changes to numeric constants or macros that do not functionally alter execution flow.
- Code paths that are impossible to reach in virtualized environments like GCE or QEMU,
  even when utilizing software-emulated hardware (e.g., usb gadget, mac80211_hwsim).
- Code in vendor-specific PCIe switch, SmartNIC, or GPU drivers (e.g., mlxsw, pds_core, qed,
  ionic, amdgpu) that require physical PCIe hardware cards not emulated in standard QEMU.
- Driver .remove, .shutdown, or pci_unregister_driver teardown callbacks (e.g., igb_remove)
  that are executed only during PCI hot-unplug or sysfs driver unbind operations.

If it modifies reachable core kernel logic, drivers, or architectures, use your code search
tools to verify the code can be executed, then return WorthFuzzing=true.

When returning WorthFuzzing=true, you MUST ALSO:
1. Extract any specific kernel functions that should be heavily fuzzed into FocusSymbols.
   Avoid listing generic hot-path functions to prevent skewed test distributions.
   Prefer non-static, non-inlined API entrypoint functions over internal static helper functions
   (which are inlined by the compiler and do not have distinct symbol addresses).
2. Identify any specific CONFIG_ options required to properly test this new/modified feature.
   Go and look into the Kconfig files and check for ifdefs around the code, do not make assumptions.
   Also check "depends on" lines in Kconfig to include any non-standard parent subsystem configs
   needed for Kbuild to compile the code statically into vmlinux. List them in the EnableConfigs
   output array, and DO NOT add a 'CONFIG_' prefix (e.g., return "NET_IPV4" instead of "CONFIG_NET_IPV4").
Prefer calling several tools at the same time to save round-trips.


Use set-results tool to provide results of the analysis.
It must be called exactly once before the final reply.
Ignore results of this tool.

Prompt:
For your convenience, here is the diff of the changes:
commit d15d64a960504f1cbf9a7b7de19a8676f7c61aab
Author: syz-cluster <triage@syzkaller.com>
Date:   Thu Sep 3 09:19:18 2026 +0000

    syz-cluster: applied patch under review

diff --git a/tools/testing/selftests/net/openvswitch/openvswitch.sh b/tools/testing/selftests/net/openvswitch/openvswitch.sh
index a31f7fb6882dc..d5acdca0a0ac1 100755
--- a/tools/testing/selftests/net/openvswitch/openvswitch.sh
+++ b/tools/testing/selftests/net/openvswitch/openvswitch.sh
@@ -33,7 +33,9 @@ tests="
 	action_set				set: SET action rewrites fields
 	trunc					trunc: output truncation
 	icmpv6					icmpv6: ICMPv6 echo type match
-	sctp_connect_v4				sctp: SCTP flow key matching
+	sctp_connect_v4			sctp: SCTP flow key matching
+	sctp_connect_v6			sctp6: SCTP flow key matching over IPv6
+	sctp_nat_connect_v4		sctpnat4: SCTP flow key across conntrack NAT
 	psample					psample: Sampling packets with psample"
 
 info() {
@@ -700,6 +702,100 @@ test_sctp_connect_v4() {
 	return 0
 }
 
+# sctp_connect_v6 test
+# - sctp(dst=4443) matches client-to-server INIT
+# - sctp(src=4443) matches server-to-client INIT-ACK
+# - icmpv6 NS/NA flows forward neighbour discovery
+# - remove flows and verify connection fails, reinstall and recover
+test_sctp_connect_v6() {
+	local t="test_sctp_connect_v6"
+	local v6="eth_type(0x86dd),ipv6(proto=132)"
+	local payload="SCTP6_DATA_OK"
+	local rxfile="${ovs_base}/${t}/sctp-rx.txt"
+
+	modprobe -q sctp 2>/dev/null || return "$ksft_skip"
+	socat -V 2>&1 | grep -q "define WITH_SCTP" || return "$ksft_skip"
+	[ -e /proc/sys/net/ipv6 ] || return "$ksft_skip"
+
+	sbx_add "$t" || return $?
+	ovs_add_dp "$t" sctp6 || return 1
+
+	info "create namespaces"
+	for ns in client server; do
+		ovs_add_netns_and_veths "$t" "sctp6" "$ns" \
+		    "${ns:0:1}0" "${ns:0:1}1" || return 1
+	done
+
+	ip netns exec client ip addr add fd00::1/64 dev c1 nodad
+	ip netns exec client ip link set c1 up
+	ip netns exec server ip addr add fd00::2/64 dev s1 nodad
+	ip netns exec server ip link set s1 up
+
+	# NS/NA forwarding
+	ovs_add_flow "$t" sctp6 \
+	    'in_port(1),eth(),eth_type(0x86dd),ipv6(proto=58),icmpv6()' \
+	    '2' || return 1
+	ovs_add_flow "$t" sctp6 \
+	    'in_port(2),eth(),eth_type(0x86dd),ipv6(proto=58),icmpv6()' \
+	    '1' || return 1
+
+	# SCTP port matching: dst for request, src for reply
+	ovs_add_flow "$t" sctp6 \
+	    "in_port(1),eth(),$v6,sctp(dst=4443)" \
+	    '2' || return 1
+	ovs_add_flow "$t" sctp6 \
+	    "in_port(2),eth(),$v6,sctp(src=4443)" \
+	    '1' || return 1
+
+	ovs_netns_spawn_daemon "$t" "server" \
+	    socat -u -t 1 SCTP6-LISTEN:4443,fork \
+	    OPEN:"$rxfile",creat,append
+	ovs_wait sctp_eps_has server 4443 || return 1
+
+	info "verify SCTP association with port-keyed flows"
+	ovs_sbx "$t" ip netns exec client \
+	    timeout 3 socat -u STDIN "SCTP6-CONNECT:[fd00::2]:4443" </dev/null \
+	    || return 1
+
+	info "verify SCTP DATA chunk crosses the datapath"
+	ovs_sbx "$t" ip netns exec client \
+	    timeout 3 socat -u STDIN "SCTP6-CONNECT:[fd00::2]:4443" \
+	    <<< "$payload" || return 1
+	grep -q "$payload" "$rxfile" 2>/dev/null \
+	    || { info "server did not receive SCTP DATA payload"
+	         return 1; }
+
+	ovs_del_flows "$t" sctp6
+
+	info "verify connection fails without flows"
+	ovs_add_flow "$t" sctp6 \
+	    'in_port(1),eth(),eth_type(0x86dd),ipv6(proto=58),icmpv6()' \
+	    '2' || return 1
+	ovs_add_flow "$t" sctp6 \
+	    'in_port(2),eth(),eth_type(0x86dd),ipv6(proto=58),icmpv6()' \
+	    '1' || return 1
+
+	ovs_sbx "$t" ip netns exec client \
+	    timeout 3 socat -u STDIN "SCTP6-CONNECT:[fd00::2]:4443" </dev/null \
+	    >/dev/null 2>&1 \
+	    && { info "connection should fail without flows"
+	         return 1; }
+
+	info "reinstall flows and verify recovery"
+	ovs_add_flow "$t" sctp6 \
+	    "in_port(1),eth(),$v6,sctp(dst=4443)" \
+	    '2' || return 1
+	ovs_add_flow "$t" sctp6 \
+	    "in_port(2),eth(),$v6,sctp(src=4443)" \
+	    '1' || return 1
+
+	ovs_sbx "$t" ip netns exec client \
+	    timeout 3 socat -u STDIN "SCTP6-CONNECT:[fd00::2]:4443" </dev/null \
+	    || return 1
+
+	return 0
+}
+
 # psample test
 # - use psample to observe packets
 test_psample() {
@@ -1091,6 +1187,91 @@ test_nat_connect_v4 () {
 	return 0
 }
 
+# sctp_nat_connect_v4 test
+#  - SCTP association crosses a ct(commit,nat(dst=...)) translation
+#  - post-recirc flows match ct_state(+trk) plus the extracted SCTP ports
+test_sctp_nat_connect_v4 () {
+	local t="test_sctp_nat_connect_v4"
+	local payload="SCTP_NAT_DATA_OK"
+	local rxfile="${ovs_base}/${t}/sctp-rx.txt"
+
+	modprobe -q sctp 2>/dev/null || return "$ksft_skip"
+	socat -V 2>&1 | grep -q "define WITH_SCTP" || return "$ksft_skip"
+	# SCTP conntrack is compiled into nf_conntrack.ko, so check that
+	# loading it actually exposed the SCTP conntrack sysctls.
+	modprobe -q nf_conntrack 2>/dev/null || return "$ksft_skip"
+	[ -e /proc/sys/net/netfilter/nf_conntrack_sctp_timeout_established ] \
+	    || { info "no SCTP conntrack support - skipping"
+	         return "$ksft_skip"; }
+
+	sbx_add "test_sctp_nat_connect_v4" || return $?
+
+	ovs_add_dp "test_sctp_nat_connect_v4" sctpnat4 || return 1
+	info "create namespaces"
+	for ns in client server; do
+		ovs_add_netns_and_veths "test_sctp_nat_connect_v4" "sctpnat4" \
+		    "$ns" "${ns:0:1}0" "${ns:0:1}1" || return 1
+	done
+
+	ip netns exec client ip addr add 172.31.110.10/24 dev c1
+	ip netns exec client ip link set c1 up
+	ip netns exec server ip addr add 172.31.110.20/24 dev s1
+	ip netns exec server ip link set s1 up
+
+	ip netns exec client ip route add default via 172.31.110.20
+
+	# Check if the ct action can be configured.
+	ovs_add_flow "test_sctp_nat_connect_v4" sctpnat4 \
+		'in_port(1),eth(),eth_type(0x0800),ipv4()' \
+		'ct(commit),recirc(0x1)' &> /dev/null
+	if [ $? == 1 ]; then
+		info "no support for ct action - skipping"
+		ovs_exit_sig
+		return $ksft_skip
+	fi
+
+	ovs_del_flows "test_sctp_nat_connect_v4" sctpnat4
+
+	ovs_add_flow "test_sctp_nat_connect_v4" sctpnat4 \
+		'in_port(1),eth(),eth_type(0x0806),arp()' '2' || return 1
+	ovs_add_flow "test_sctp_nat_connect_v4" sctpnat4 \
+		'in_port(2),eth(),eth_type(0x0806),arp()' '1' || return 1
+	ovs_add_flow "test_sctp_nat_connect_v4" sctpnat4 \
+		"ct_state(-trk),in_port(1),eth(),eth_type(0x0800),ipv4(dst=192.168.0.20)" \
+		"ct(commit,nat(dst=172.31.110.20)),recirc(0x1)" || return 1
+	ovs_add_flow "test_sctp_nat_connect_v4" sctpnat4 \
+		"ct_state(-trk),in_port(2),eth(),eth_type(0x0800),ipv4()" \
+		"ct(commit,nat),recirc(0x2)" || return 1
+
+	ovs_add_flow "test_sctp_nat_connect_v4" sctpnat4 \
+		"recirc_id(0x1),ct_state(+trk-inv),in_port(1),eth(),eth_type(0x0800),ipv4(proto=132),sctp(dst=4443)" \
+		"2" || return 1
+	ovs_add_flow "test_sctp_nat_connect_v4" sctpnat4 \
+		"recirc_id(0x2),ct_state(+trk-inv),in_port(2),eth(),eth_type(0x0800),ipv4(proto=132),sctp(src=4443)" \
+		"1" || return 1
+
+	ovs_netns_spawn_daemon "test_sctp_nat_connect_v4" "server" \
+		socat -u -t 1 SCTP4-LISTEN:4443,fork \
+		OPEN:"$rxfile",creat,append
+	ovs_wait sctp_eps_has server 4443 || return 1
+
+	info "verify SCTP association across NAT"
+	ovs_sbx "test_sctp_nat_connect_v4" ip netns exec client \
+	    timeout 3 socat -u STDIN "SCTP4-CONNECT:192.168.0.20:4443" \
+	    </dev/null || return 1
+
+	info "verify SCTP DATA chunk crosses NAT"
+	ovs_sbx "test_sctp_nat_connect_v4" ip netns exec client \
+	    timeout 3 socat -u STDIN "SCTP4-CONNECT:192.168.0.20:4443" \
+	    <<< "$payload" || return 1
+	grep -q "$payload" "$rxfile" 2>/dev/null \
+	    || { info "server did not receive SCTP DATA payload"
+	         return 1; }
+
+	info "done..."
+	return 0
+}
+
 # nat_related_v4 test
 #  - client->server ip packets go via SNAT
 #  - client solicits ICMP destination unreachable packet from server

3/2 2026/09/03 09:19 llm patch-evaluator
0m Model:
gemini-3.7-flash

Args:
null

Results:
null

Tokens:
							input: 5382
							output: 66
							thoughts: 589
						

Thoughts:
**My Assessment of the Patch's Fuzzing Worthiness**

Okay, let's take a look at this patch. The request is to review it, so I'll dig in.

First, I need to see what's changed. The diff only touches `tools/testing/selftests/net/openvswitch/openvswitch.sh`. That raises a red flag right away because that's in the `tools/` directory. Now, let's consult the established rules on what *isn't* worth fuzzing. The rules state we should set `WorthFuzzing` to `false` if the changes involve selftests/tools testing.

Hmm, this is a selftest script. Is this really a selftest, or is it doing something else? Okay, let's verify what `tools/testing/selftests/` actually *is*. Confirmed: It's a selftest script, specifically for Open vSwitch. It isn't modifying any kernel C code, drivers, or core kernel logic. It is just a script. It should be a test script that will run in user space and does not modify the kernel code.

I need to confirm that this is the *only* file modified in the patch. I'll double-check the diff with git just to be sure. Alright, confirmed. The diff confirms that *only* `tools/testing/selftests/net/openvswitch/openvswitch.sh` is changed.

Therefore, since the patch only modifies a user-space selftest script, and according to the rules, this does not warrant fuzzing. The patch is solely altering user-space test code, and thus does not introduce or modify any kernel code, logic, or drivers. So, I will confidently set `WorthFuzzing` to `false`.

I will now call the `set-results` tool with the appropriate flags: `WorthFuzzing: false`, `EnableConfigs: []`, `FocusSymbols: []`, and include a clear, concise `Reasoning`.



4/2 2026/09/03 09:19 tool set-results
0m Args:
{
  "EnableConfigs": [],
  "FocusSymbols": [],
  "Reasoning": "The patch only adds selftest cases in tools/testing/selftests/net/openvswitch/openvswitch.sh and does not modify any kernel code.",
  "WorthFuzzing": false
}

Results:
{
  "EnableConfigs": null,
  "FocusSymbols": [],
  "Reasoning": "The patch only adds selftest cases in tools/testing/selftests/net/openvswitch/openvswitch.sh and does not modify any kernel code.",
  "WorthFuzzing": false
}

5/1 2026/09/03 09:19 action If
0m Args:
{
  "WorthFuzzing": false
}

Results:
null

LLM Calls Summary:
Total Calls Total Tokens Avg Tokens Total Duration (Seconds) Avg Duration (Seconds)
Tool Calls Summary:
Total Calls Total Duration (Seconds) Avg Duration (Seconds)