AI Trajectory

Trajectory: (Expand/Collapse All)
Seq	Timestamp	Type	Name	Duration
0/0	2026/07/02 15:35	flow	patch-triage	0m Args: null Results: { "EnableConfigs": [ "IP_VS" ], "FocusSymbols": [ "ip_vs_conn_new" ], "Reasoning": "The patch fixes an uninitialized memory issue in `ip_vs_conn_new` by zeroing out the entire `ip_vs_seq` structs instead of just the `delta` field. This is a functional change in the IPVS core logic that can be reached when establishing new IPVS connections.", "WorthFuzzing": true }
1/1	2026/07/02 15:35	action	read-patch-diff	0m Args: null Results: { "PatchDiff": "commit f09ef7002b8b3161343723abfcbba0ffe79679b0\nAuthor: syz-cluster \u003ctriage@syzkaller.com\u003e\nDate: Thu Jul 2 15:35:06 2026 +0000\n\n syz-cluster: applied patch under review\n\ndiff --git a/net/netfilter/ipvs/ip_vs_conn.c b/net/netfilter/ipvs/ip_vs_conn.c\nindex cb36641f8d1cc1..6ed2622363f0d6 100644\n--- a/net/netfilter/ipvs/ip_vs_conn.c\n+++ b/net/netfilter/ipvs/ip_vs_conn.c\n@@ -1420,8 +1420,8 @@ ip_vs_conn_new(const struct ip_vs_conn_param p, int dest_af,\n \tcp-\u003eapp = NULL;\n \tcp-\u003eapp_data = NULL;\n \t/ reset struct ip_vs_seq */\n-\tcp-\u003ein_seq.delta = 0;\n-\tcp-\u003eout_seq.delta = 0;\n+\tmemset(\u0026cp-\u003ein_seq, 0, sizeof(cp-\u003ein_seq));\n+\tmemset(\u0026cp-\u003eout_seq, 0, sizeof(cp-\u003eout_seq));\n \n \tif (unlikely(flags \u0026 IP_VS_CONN_F_NO_CPORT)) {\n \t\tint af_id = ip_vs_af_index(cp-\u003eaf);\n" }
2/1	2026/07/02 15:35	agent	patch-evaluator	0m Model: gemini-3.1-pro-preview Args: null Results: { "EnableConfigs": [ "IP_VS" ], "FocusSymbols": [ "ip_vs_conn_new" ], "Reasoning": "The patch fixes an uninitialized memory issue in `ip_vs_conn_new` by zeroing out the entire `ip_vs_seq` structs instead of just the `delta` field. This is a functional change in the IPVS core logic that can be reached when establishing new IPVS connections.", "WorthFuzzing": true } 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). 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. 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. Do not list too generic configs (we already have them enabled). Only list those that specifically cover the modified code. 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 f09ef7002b8b3161343723abfcbba0ffe79679b0 Author: syz-cluster <triage@syzkaller.com> Date: Thu Jul 2 15:35:06 2026 +0000 syz-cluster: applied patch under review diff --git a/net/netfilter/ipvs/ip_vs_conn.c b/net/netfilter/ipvs/ip_vs_conn.c index cb36641f8d1cc1..6ed2622363f0d6 100644 --- a/net/netfilter/ipvs/ip_vs_conn.c +++ b/net/netfilter/ipvs/ip_vs_conn.c @@ -1420,8 +1420,8 @@ ip_vs_conn_new(const struct ip_vs_conn_param p, int dest_af, cp->app = NULL; cp->app_data = NULL; / reset struct ip_vs_seq */ - cp->in_seq.delta = 0; - cp->out_seq.delta = 0; + memset(&cp->in_seq, 0, sizeof(cp->in_seq)); + memset(&cp->out_seq, 0, sizeof(cp->out_seq)); if (unlikely(flags & IP_VS_CONN_F_NO_CPORT)) { int af_id = ip_vs_af_index(cp->af);
3/2	2026/07/02 15:35	llm	patch-evaluator	0m Model: gemini-3.1-pro-preview Args: null Results: null Tokens: input: 1923 output: 21 thoughts: 99 Thoughts: Analyzing a Recent IPVS Patch Okay, so I'm looking at this patch for `net/netfilter/ipvs/ip_vs_conn.c`. It seems to be modifying the initialization of sequence numbers, specifically `cp->in_seq` and `cp->out_seq`, within the `ip_vs_conn_new` function. Interesting. Instead of the straightforward `delta = 0` assignment for just the sequence numbers, the patch now uses `memset` to zero out the entire structure. I need to understand why. Clearly there's a perceived benefit to zeroing the entire struct, not just these two members. I wonder what else is in that `struct ip_vs_seq` that they're now nullifying? That's the key. I need to take a look at the struct definition to figure out what other fields are being affected by this change and what the implications are for IPVS's connection tracking behavior. Let me check the definition of `struct ip_vs_seq` and see what's being cleared besides the obvious sequence number fields.
4/2	2026/07/02 15:35	tool	grepper	0m Args: { "Expression": "struct ip_vs_seq \\{" } Results: { "Output": "include/net/ip_vs.h=344=enum ip_vs_sctp_states {\n--\ninclude/net/ip_vs.h-370- /\ninclude/net/ip_vs.h:371:struct ip_vs_seq {\ninclude/net/ip_vs.h-372-\t__u32\t\t\tinit_seq;\t/ Add delta from this seq */\n" }
5/2	2026/07/02 15:35	llm	patch-evaluator	0m Model: gemini-3.1-pro-preview Args: null Results: null Tokens: input: 2386 output: 37 thoughts: 9 Thoughts: Okay, let's dive into this. I need to get a really solid understanding of the context here. I need to examine the full struct definition to make any meaningful judgment. I can't just operate in the abstract; I need to see the specifics. Let's get the full picture before I make any assumptions. I'll need to know the components, their types, their relationships to each other – everything. This is crucial for a complete understanding. Time to roll up my sleeves and get the full definition.
6/2	2026/07/02 15:35	tool	read-file	0m Args: { "File": "include/net/ip_vs.h", "FirstLine": 370, "LineCount": 10 } Results: { "Contents": " 370:\t /\n 371:\tstruct ip_vs_seq {\n 372:\t\t__u32\t\t\tinit_seq;\t/ Add delta from this seq /\n 373:\t\t__u32\t\t\tdelta;\t\t/ Delta in sequence numbers /\n 374:\t\t__u32\t\t\tprevious_delta;\t/ Delta in sequence numbers\n 375:\t\t\t\t\t\t\t * before last resized pkt /\n 376:\t};\n 377:\t\n 378:\t/ counters per cpu */\n 379:\tstruct ip_vs_counters {\n" }
7/2	2026/07/02 15:35	llm	patch-evaluator	0m Model: gemini-3.1-pro-preview Args: null Results: null Tokens: input: 2695 output: 18 thoughts: 60 Thoughts: Analyzing the IPVS Struct Modification Okay, so I'm looking at this struct, and I see it has `init_seq`, `delta`, and `previous_delta`. Now, it seems like the recent change zeroes out all three of these fields, not just `delta`. Hmm, that's interesting. I immediately realize this is a functional change because, previously, it could have been relying on uninitialized memory for those fields. That's a potential bug waiting to happen, and this is a clean fix. Now the next thing I need to do is look for where the IPVS config is, so I can see what functionality is going to be affected. I need to understand what's actually being zeroed out now.
8/2	2026/07/02 15:35	tool	grepper	0m Args: { "Expression": "config IP_VS" } Results: { "Output": "net/netfilter/ipvs/Kconfig-4-#\nnet/netfilter/ipvs/Kconfig:5:menuconfig IP_VS\nnet/netfilter/ipvs/Kconfig-6-\ttristate \"IP virtual server support\"\n--\nnet/netfilter/ipvs/Kconfig=286=comment 'IPVS SH scheduler'\nnet/netfilter/ipvs/Kconfig-287-\nnet/netfilter/ipvs/Kconfig:288:config IP_VS_SH_TAB_BITS\nnet/netfilter/ipvs/Kconfig-289-\tint \"IPVS source hashing table size (the Nth power of 2)\"\n--\nnet/netfilter/ipvs/Kconfig=301=comment 'IPVS MH scheduler'\nnet/netfilter/ipvs/Kconfig-302-\nnet/netfilter/ipvs/Kconfig:303:config IP_VS_MH_TAB_INDEX\nnet/netfilter/ipvs/Kconfig-304-\tint \"IPVS maglev hashing table index of size (the prime numbers)\"\n" }
9/2	2026/07/02 15:35	llm	patch-evaluator	0m Model: gemini-3.1-pro-preview Args: null Results: null Tokens: input: 3197 output: 21 thoughts: 30 Thoughts: Okay, here's my interpretation of that thought process, from an expert's perspective: Diving into the IPVS Configuration Alright, the context is clearly centered around `IP_VS`. That tells me we're dealing with IP Virtual Server, likely in a Linux kernel context. My initial thought is to confirm that this is the primary focus. Now, the mention of `ip_vs_conn_new` is significant. That's a low-level function related to connection tracking within the IPVS framework. My primary question becomes: are there other, necessary kernel configs I need to verify alongside `IP_VS` to ensure that `ip_vs_conn_new` functions correctly and my overall IPVS setup is sound? I'm not just looking for "recommended" configs here; I'm trying to identify critical dependencies. For example, do I need certain options enabled within `IP_VS` itself? Or perhaps related networking modules? That's the real challenge, to find dependencies or conflicts, not just the base feature.
10/2	2026/07/02 15:35	tool	grepper	0m Args: { "Expression": "ip_vs_conn_new" } Results: { "Output": "include/net/ip_vs.h=1688=ip_vs_hn_to_conn(struct ip_vs_conn_hnode hn)\n--\ninclude/net/ip_vs.h-1693-\ninclude/net/ip_vs.h:1694:struct ip_vs_conn ip_vs_conn_new(const struct ip_vs_conn_param p, int dest_af,\ninclude/net/ip_vs.h-1695-\t\t\t\t const union nf_inet_addr daddr,\n--\nnet/netfilter/ipvs/ip_vs_conn.c=800=static void conn_resize_work_handler(struct work_struct work)\n--\nnet/netfilter/ipvs/ip_vs_conn.c-924- \tBind a connection entry with the corresponding packet_xmit.\nnet/netfilter/ipvs/ip_vs_conn.c:925: \tCalled by ip_vs_conn_new.\nnet/netfilter/ipvs/ip_vs_conn.c-926- /\n--\nnet/netfilter/ipvs/ip_vs_conn.c=1352=struct ip_vs_conn \nnet/netfilter/ipvs/ip_vs_conn.c:1353:ip_vs_conn_new(const struct ip_vs_conn_param p, int dest_af,\nnet/netfilter/ipvs/ip_vs_conn.c-1354-\t const union nf_inet_addr daddr, __be16 dport, unsigned int flags,\n--\nnet/netfilter/ipvs/ip_vs_core.c=57=EXPORT_SYMBOL(ip_vs_proto_name);\nnet/netfilter/ipvs/ip_vs_core.c:58:EXPORT_SYMBOL(ip_vs_conn_new);\nnet/netfilter/ipvs/ip_vs_core.c-59-EXPORT_SYMBOL(ip_vs_conn_in_get);\n--\nnet/netfilter/ipvs/ip_vs_core.c=431=ip_vs_sched_persist(struct ip_vs_service svc,\n--\nnet/netfilter/ipvs/ip_vs_core.c-548-\t\t * when the template expires /\nnet/netfilter/ipvs/ip_vs_core.c:549:\t\tct = ip_vs_conn_new(\u0026param, dest-\u003eaf, \u0026dest-\u003eaddr, dport,\nnet/netfilter/ipvs/ip_vs_core.c-550-\t\t\t\t IP_VS_CONN_F_TEMPLATE, dest, skb-\u003emark);\n--\nnet/netfilter/ipvs/ip_vs_core.c-577-\nnet/netfilter/ipvs/ip_vs_core.c:578:\tcp = ip_vs_conn_new(\u0026param, dest-\u003eaf, \u0026dest-\u003eaddr, dport, flags, dest,\nnet/netfilter/ipvs/ip_vs_core.c-579-\t\t\t skb-\u003emark);\n--\nnet/netfilter/ipvs/ip_vs_core.c-612- -1 : scheduler tried to schedule but fatal error occurred, eg.\nnet/netfilter/ipvs/ip_vs_core.c:613: * ip_vs_conn_new failure (ENOMEM) or ip_vs_sip_fill_param\nnet/netfilter/ipvs/ip_vs_core.c-614- * failure such as missing Call-ID, ENOMEM on skb_linearize\n--\nnet/netfilter/ipvs/ip_vs_core.c=619=ip_vs_schedule(struct ip_vs_service svc, struct sk_buff skb,\n--\nnet/netfilter/ipvs/ip_vs_core.c-726-\t\t\t\t caddr, cport, vaddr, vport, \u0026p);\nnet/netfilter/ipvs/ip_vs_core.c:727:\t\tcp = ip_vs_conn_new(\u0026p, dest-\u003eaf, \u0026dest-\u003eaddr,\nnet/netfilter/ipvs/ip_vs_core.c-728-\t\t\t\t dest-\u003eport ? dest-\u003eport : vport,\n--\nnet/netfilter/ipvs/ip_vs_core.c=763=int ip_vs_leave(struct ip_vs_service svc, struct sk_buff skb,\n--\nnet/netfilter/ipvs/ip_vs_core.c-794-\t\t\t\t\t \u0026iph-\u003edaddr, pptr[1], \u0026p);\nnet/netfilter/ipvs/ip_vs_core.c:795:\t\t\tcp = ip_vs_conn_new(\u0026p, svc-\u003eaf, \u0026daddr, 0,\nnet/netfilter/ipvs/ip_vs_core.c-796-\t\t\t\t\t IP_VS_CONN_F_BYPASS \| flags,\n--\nnet/netfilter/ipvs/ip_vs_core.c=1307=struct ip_vs_conn ip_vs_new_conn_out(struct ip_vs_service svc,\n--\nnet/netfilter/ipvs/ip_vs_core.c-1349-\t\tif (!ct \|\| !ip_vs_check_template(ct, dest)) {\nnet/netfilter/ipvs/ip_vs_core.c:1350:\t\t\tct = ip_vs_conn_new(\u0026param, dest-\u003eaf, daddr, dport,\nnet/netfilter/ipvs/ip_vs_core.c-1351-\t\t\t\t\t IP_VS_CONN_F_TEMPLATE, dest, 0);\n--\nnet/netfilter/ipvs/ip_vs_core.c-1367-\t\t\t caddr, cport, vaddr, vport, \u0026param);\nnet/netfilter/ipvs/ip_vs_core.c:1368:\tcp = ip_vs_conn_new(\u0026param, dest-\u003eaf, daddr, dport, flags, dest, 0);\nnet/netfilter/ipvs/ip_vs_core.c-1369-\tif (!cp) {\n--\nnet/netfilter/ipvs/ip_vs_ftp.c=248=static int ip_vs_ftp_out(struct ip_vs_app app, struct ip_vs_conn cp,\n--\nnet/netfilter/ipvs/ip_vs_ftp.c-330-\t\t\t\t 0, \u0026cp-\u003evaddr, port, \u0026p);\nnet/netfilter/ipvs/ip_vs_ftp.c:331:\t\tn_cp = ip_vs_conn_new(\u0026p, cp-\u003eaf, \u0026from, port,\nnet/netfilter/ipvs/ip_vs_ftp.c-332-\t\t\t\t IP_VS_CONN_F_NO_CPORT \|\n--\nnet/netfilter/ipvs/ip_vs_ftp.c=418=static int ip_vs_ftp_in(struct ip_vs_app app, struct ip_vs_conn cp,\n--\nnet/netfilter/ipvs/ip_vs_ftp.c-535-\t\tif (!n_cp) {\nnet/netfilter/ipvs/ip_vs_ftp.c:536:\t\t\tn_cp = ip_vs_conn_new(\u0026p, cp-\u003eaf, \u0026cp-\u003edaddr,\nnet/netfilter/ipvs/ip_vs_ftp.c-537-\t\t\t\t\t htons(ntohs(cp-\u003edport)-1),\n--\nnet/netfilter/ipvs/ip_vs_sync.c=841=static void ip_vs_proc_conn(struct netns_ipvs ipvs, struct ip_vs_conn_param param,\n--\nnet/netfilter/ipvs/ip_vs_sync.c-910-\nnet/netfilter/ipvs/ip_vs_sync.c:911:\t\tcp = ip_vs_conn_new(param, type, daddr, dport, flags, dest,\nnet/netfilter/ipvs/ip_vs_sync.c-912-\t\t\t\t fwmark);\n" }
11/2	2026/07/02 15:35	llm	patch-evaluator	0m Model: gemini-3.1-pro-preview Args: null Results: null Tokens: input: 5470 output: 36 thoughts: 130 Thoughts: Analyzing the IPVS Connection Creation Patch Okay, so the function `ip_vs_conn_new` is called all over the place. That immediately flags this as important because it's part of the IPVS core, and a bug here could be widespread. The patch targets an uninitialized memory issue within `ip_vs_conn_new` during connection allocation. Given the potential impact, this is screaming for some serious fuzzing. Before I dive in, I need to understand the environment. What configurations are relevant here? `IP_VS` is the obvious one, but are there any others that might impact this specific code path? Let me check the kernel config for any hidden dependencies. The patch itself is located in `net/netfilter/ipvs/ip_vs_conn.c`, so I should be able to cross-reference to the Makefile for the module. A quick look in `net/netfilter/ipvs/Makefile` should tell me if there are any other pre-requisites for getting this running.
12/2	2026/07/02 15:35	tool	read-file	0m Args: { "File": "net/netfilter/ipvs/Makefile", "FirstLine": 1, "LineCount": 100 } Results: { "Contents": " 1:\t# SPDX-License-Identifier: GPL-2.0\n 2:\t#\n 3:\t# Makefile for the IPVS modules on top of IPv4.\n 4:\t#\n 5:\t\n 6:\t# IPVS transport protocol load balancing support\n 7:\tip_vs_proto-objs-y :=\n 8:\tip_vs_proto-objs-$(CONFIG_IP_VS_PROTO_TCP) += ip_vs_proto_tcp.o\n 9:\tip_vs_proto-objs-$(CONFIG_IP_VS_PROTO_UDP) += ip_vs_proto_udp.o\n 10:\tip_vs_proto-objs-$(CONFIG_IP_VS_PROTO_AH_ESP) += ip_vs_proto_ah_esp.o\n 11:\tip_vs_proto-objs-$(CONFIG_IP_VS_PROTO_SCTP) += ip_vs_proto_sctp.o\n 12:\t\n 13:\tip_vs-extra_objs-y :=\n 14:\tip_vs-extra_objs-$(CONFIG_IP_VS_NFCT) += ip_vs_nfct.o\n 15:\t\n 16:\tip_vs-objs :=\tip_vs_conn.o ip_vs_core.o ip_vs_ctl.o ip_vs_sched.o\t \\\n 17:\t\t\tip_vs_xmit.o ip_vs_app.o ip_vs_sync.o\t \t\t \\\n 18:\t\t\tip_vs_est.o ip_vs_proto.o ip_vs_pe.o\t\t\t \\\n 19:\t\t\t$(ip_vs_proto-objs-y) $(ip_vs-extra_objs-y)\n 20:\t\n 21:\t\n 22:\t# IPVS core\n 23:\tobj-$(CONFIG_IP_VS) += ip_vs.o\n 24:\t\n 25:\t# IPVS schedulers\n 26:\tobj-$(CONFIG_IP_VS_RR) += ip_vs_rr.o\n 27:\tobj-$(CONFIG_IP_VS_WRR) += ip_vs_wrr.o\n 28:\tobj-$(CONFIG_IP_VS_LC) += ip_vs_lc.o\n 29:\tobj-$(CONFIG_IP_VS_WLC) += ip_vs_wlc.o\n 30:\tobj-$(CONFIG_IP_VS_FO) += ip_vs_fo.o\n 31:\tobj-$(CONFIG_IP_VS_OVF) += ip_vs_ovf.o\n 32:\tobj-$(CONFIG_IP_VS_LBLC) += ip_vs_lblc.o\n 33:\tobj-$(CONFIG_IP_VS_LBLCR) += ip_vs_lblcr.o\n 34:\tobj-$(CONFIG_IP_VS_DH) += ip_vs_dh.o\n 35:\tobj-$(CONFIG_IP_VS_SH) += ip_vs_sh.o\n 36:\tobj-$(CONFIG_IP_VS_MH) += ip_vs_mh.o\n 37:\tobj-$(CONFIG_IP_VS_SED) += ip_vs_sed.o\n 38:\tobj-$(CONFIG_IP_VS_NQ) += ip_vs_nq.o\n 39:\tobj-$(CONFIG_IP_VS_TWOS) += ip_vs_twos.o\n 40:\t\n 41:\t# IPVS application helpers\n 42:\tobj-$(CONFIG_IP_VS_FTP) += ip_vs_ftp.o\n 43:\t\n 44:\t# IPVS connection template retrievers\n 45:\tobj-$(CONFIG_IP_VS_PE_SIP) += ip_vs_pe_sip.o\n 46:\tifdef CONFIG_GCOV_PROFILE_IPVS\n 47:\tGCOV_PROFILE := y\n 48:\tendif\n" }
13/2	2026/07/02 15:35	llm	patch-evaluator	0m Model: gemini-3.1-pro-preview Args: null Results: null Tokens: input: 6840 output: 108 thoughts: 417 Thoughts: My Analysis of the IPVS Connection Module Okay, let's break this down from a fuzzing perspective. First, I'm noting that `ip_vs_conn.o` is part of the broader `ip_vs-objs` module, and that the `IP_VS` configuration option is the only dependency here. No surprises there; standard stuff. Now, onto the meat of it, `FocusSymbols`. The modified function is `ip_vs_conn_new`. My initial thought is to quickly assess if `ip_vs_conn_new` is a hot-path function, which it is, as it creates a new connection when one is established. This makes it a potential target. However, I want to see if other functions calling `ip_vs_conn_new` might offer better entry points. I checked the call sites: `ip_vs_schedule`, `ip_vs_new_conn_out`, `ip_vs_ftp_out`, `ip_vs_ftp_in`, and `ip_vs_proc_conn` (specifically from the sync process) all lead here. However, `ip_vs_conn_new` itself is also looking good. A quick check to see if `ip_vs_conn_new` is static or exported revealed the latter: `EXPORT_SYMBOL(ip_vs_conn_new);` That's important! It means this function can be called from other modules, expanding the attack surface. This confirms my initial assessment, so I'll add `ip_vs_conn_new` to the `FocusSymbols` list. Just to be absolutely certain, I re-reviewed the patch, and the only modification is indeed to `ip_vs_conn_new`. Therefore, my final summary is: I'm marking this as `WorthFuzzing: true` given that the patch targets a key connection creation function. The target function for fuzzing is `FocusSymbols: ["ip_vs_conn_new"]`. The minimal required configuration is `EnableConfigs: ["IP_VS"]`. My reasoning is the patch fixes an uninitialized memory vulnerability within `ip_vs_conn_new`, specifically zeroing out the `ip_vs_seq` struct. This is a functional change within the IPVS core logic and is triggered when new IPVS connections are established. This seems a worthwhile target for fuzzing.
14/2	2026/07/02 15:35	tool	set-results	0m Args: { "EnableConfigs": [ "IP_VS" ], "FocusSymbols": [ "ip_vs_conn_new" ], "Reasoning": "The patch fixes an uninitialized memory issue in `ip_vs_conn_new` by zeroing out the entire `ip_vs_seq` structs instead of just the `delta` field. This is a functional change in the IPVS core logic that can be reached when establishing new IPVS connections.", "WorthFuzzing": true } Results: { "EnableConfigs": [ "IP_VS" ], "FocusSymbols": [ "ip_vs_conn_new" ], "Reasoning": "The patch fixes an uninitialized memory issue in `ip_vs_conn_new` by zeroing out the entire `ip_vs_seq` structs instead of just the `delta` field. This is a functional change in the IPVS core logic that can be reached when establishing new IPVS connections.", "WorthFuzzing": true }

{
  "EnableConfigs": [
    "IP_VS"
  ],
  "FocusSymbols": [
    "ip_vs_conn_new"
  ],
  "Reasoning": "The patch fixes an uninitialized memory issue in `ip_vs_conn_new` by zeroing out the entire `ip_vs_seq` structs instead of just the `delta` field. This is a functional change in the IPVS core logic that can be reached when establishing new IPVS connections.",
  "WorthFuzzing": true
}

{
  "PatchDiff": "commit f09ef7002b8b3161343723abfcbba0ffe79679b0\nAuthor: syz-cluster \u003ctriage@syzkaller.com\u003e\nDate:   Thu Jul 2 15:35:06 2026 +0000\n\n    syz-cluster: applied patch under review\n\ndiff --git a/net/netfilter/ipvs/ip_vs_conn.c b/net/netfilter/ipvs/ip_vs_conn.c\nindex cb36641f8d1cc1..6ed2622363f0d6 100644\n--- a/net/netfilter/ipvs/ip_vs_conn.c\n+++ b/net/netfilter/ipvs/ip_vs_conn.c\n@@ -1420,8 +1420,8 @@ ip_vs_conn_new(const struct ip_vs_conn_param *p, int dest_af,\n \tcp-\u003eapp = NULL;\n \tcp-\u003eapp_data = NULL;\n \t/* reset struct ip_vs_seq */\n-\tcp-\u003ein_seq.delta = 0;\n-\tcp-\u003eout_seq.delta = 0;\n+\tmemset(\u0026cp-\u003ein_seq, 0, sizeof(cp-\u003ein_seq));\n+\tmemset(\u0026cp-\u003eout_seq, 0, sizeof(cp-\u003eout_seq));\n \n \tif (unlikely(flags \u0026 IP_VS_CONN_F_NO_CPORT)) {\n \t\tint af_id = ip_vs_af_index(cp-\u003eaf);\n"
}

gemini-3.1-pro-preview

{
  "EnableConfigs": [
    "IP_VS"
  ],
  "FocusSymbols": [
    "ip_vs_conn_new"
  ],
  "Reasoning": "The patch fixes an uninitialized memory issue in `ip_vs_conn_new` by zeroing out the entire `ip_vs_seq` structs instead of just the `delta` field. This is a functional change in the IPVS core logic that can be reached when establishing new IPVS connections.",
  "WorthFuzzing": true
}

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).

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.
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.
   Do not list too generic configs (we already have them enabled). Only list those that
   specifically cover the modified code. 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.

For your convenience, here is the diff of the changes:
commit f09ef7002b8b3161343723abfcbba0ffe79679b0
Author: syz-cluster <triage@syzkaller.com>
Date:   Thu Jul 2 15:35:06 2026 +0000

    syz-cluster: applied patch under review

diff --git a/net/netfilter/ipvs/ip_vs_conn.c b/net/netfilter/ipvs/ip_vs_conn.c
index cb36641f8d1cc1..6ed2622363f0d6 100644
--- a/net/netfilter/ipvs/ip_vs_conn.c
+++ b/net/netfilter/ipvs/ip_vs_conn.c
@@ -1420,8 +1420,8 @@ ip_vs_conn_new(const struct ip_vs_conn_param *p, int dest_af,
 	cp->app = NULL;
 	cp->app_data = NULL;
 	/* reset struct ip_vs_seq */
-	cp->in_seq.delta = 0;
-	cp->out_seq.delta = 0;
+	memset(&cp->in_seq, 0, sizeof(cp->in_seq));
+	memset(&cp->out_seq, 0, sizeof(cp->out_seq));
 
 	if (unlikely(flags & IP_VS_CONN_F_NO_CPORT)) {
 		int af_id = ip_vs_af_index(cp->af);

gemini-3.1-pro-preview

							input: 1923
							output: 21
							thoughts: 99

**Analyzing a Recent IPVS Patch**

Okay, so I'm looking at this patch for `net/netfilter/ipvs/ip_vs_conn.c`. It seems to be modifying the initialization of sequence numbers, specifically `cp->in_seq` and `cp->out_seq`, within the `ip_vs_conn_new` function. Interesting. Instead of the straightforward `delta = 0` assignment for just the sequence numbers, the patch now uses `memset` to zero out the entire structure. I need to understand why. Clearly there's a perceived benefit to zeroing the *entire* struct, not just these two members. I wonder what else is in that `struct ip_vs_seq` that they're now nullifying? That's the key. I need to take a look at the struct definition to figure out what other fields are being affected by this change and what the implications are for IPVS's connection tracking behavior. Let me check the definition of `struct ip_vs_seq` and see what's being cleared besides the obvious sequence number fields.

{
  "Expression": "struct ip_vs_seq \\{"
}

{
  "Output": "include/net/ip_vs.h=344=enum ip_vs_sctp_states {\n--\ninclude/net/ip_vs.h-370- */\ninclude/net/ip_vs.h:371:struct ip_vs_seq {\ninclude/net/ip_vs.h-372-\t__u32\t\t\tinit_seq;\t/* Add delta from this seq */\n"
}

gemini-3.1-pro-preview

							input: 2386
							output: 37
							thoughts: 9

Okay, let's dive into this. I need to get a really solid understanding of the context here. I need to examine the full struct definition to make any meaningful judgment. I can't just operate in the abstract; I need to see the specifics. Let's get the full picture before I make any assumptions. I'll need to know the components, their types, their relationships to each other – everything. This is crucial for a complete understanding. Time to roll up my sleeves and get the full definition.

{
  "File": "include/net/ip_vs.h",
  "FirstLine": 370,
  "LineCount": 10
}

{
  "Contents": " 370:\t */\n 371:\tstruct ip_vs_seq {\n 372:\t\t__u32\t\t\tinit_seq;\t/* Add delta from this seq */\n 373:\t\t__u32\t\t\tdelta;\t\t/* Delta in sequence numbers */\n 374:\t\t__u32\t\t\tprevious_delta;\t/* Delta in sequence numbers\n 375:\t\t\t\t\t\t\t * before last resized pkt */\n 376:\t};\n 377:\t\n 378:\t/* counters per cpu */\n 379:\tstruct ip_vs_counters {\n"
}

gemini-3.1-pro-preview

							input: 2695
							output: 18
							thoughts: 60

**Analyzing the IPVS Struct Modification**

Okay, so I'm looking at this struct, and I see it has `init_seq`, `delta`, and `previous_delta`. Now, it seems like the recent change zeroes out all three of these fields, not just `delta`. Hmm, that's interesting. I immediately realize this is a functional change because, previously, it could have been relying on uninitialized memory for those fields. That's a potential bug waiting to happen, and this is a clean fix. Now the next thing I need to do is look for where the IPVS config is, so I can see what functionality is going to be affected. I need to understand what's actually being zeroed out now.

{
  "Expression": "config IP_VS"
}

{
  "Output": "net/netfilter/ipvs/Kconfig-4-#\nnet/netfilter/ipvs/Kconfig:5:menuconfig IP_VS\nnet/netfilter/ipvs/Kconfig-6-\ttristate \"IP virtual server support\"\n--\nnet/netfilter/ipvs/Kconfig=286=comment 'IPVS SH scheduler'\nnet/netfilter/ipvs/Kconfig-287-\nnet/netfilter/ipvs/Kconfig:288:config IP_VS_SH_TAB_BITS\nnet/netfilter/ipvs/Kconfig-289-\tint \"IPVS source hashing table size (the Nth power of 2)\"\n--\nnet/netfilter/ipvs/Kconfig=301=comment 'IPVS MH scheduler'\nnet/netfilter/ipvs/Kconfig-302-\nnet/netfilter/ipvs/Kconfig:303:config IP_VS_MH_TAB_INDEX\nnet/netfilter/ipvs/Kconfig-304-\tint \"IPVS maglev hashing table index of size (the prime numbers)\"\n"
}

gemini-3.1-pro-preview

							input: 3197
							output: 21
							thoughts: 30

Okay, here's my interpretation of that thought process, from an expert's perspective:

**Diving into the IPVS Configuration**

Alright, the context is clearly centered around `IP_VS`. That tells me we're dealing with IP Virtual Server, likely in a Linux kernel context. My initial thought is to confirm that this is the primary focus.

Now, the mention of `ip_vs_conn_new` is significant. That's a low-level function related to connection tracking within the IPVS framework.  My primary question becomes: are there other, *necessary* kernel configs I need to verify *alongside* `IP_VS` to ensure that `ip_vs_conn_new` functions correctly and my overall IPVS setup is sound? I'm not just looking for "recommended" configs here; I'm trying to identify *critical dependencies*. For example, do I need certain options enabled within `IP_VS` itself? Or perhaps related networking modules? That's the real challenge, to find dependencies or conflicts, not just the base feature.

{
  "Expression": "ip_vs_conn_new"
}

{
  "Output": "include/net/ip_vs.h=1688=ip_vs_hn_to_conn(struct ip_vs_conn_hnode *hn)\n--\ninclude/net/ip_vs.h-1693-\ninclude/net/ip_vs.h:1694:struct ip_vs_conn *ip_vs_conn_new(const struct ip_vs_conn_param *p, int dest_af,\ninclude/net/ip_vs.h-1695-\t\t\t\t  const union nf_inet_addr *daddr,\n--\nnet/netfilter/ipvs/ip_vs_conn.c=800=static void conn_resize_work_handler(struct work_struct *work)\n--\nnet/netfilter/ipvs/ip_vs_conn.c-924- *\tBind a connection entry with the corresponding packet_xmit.\nnet/netfilter/ipvs/ip_vs_conn.c:925: *\tCalled by ip_vs_conn_new.\nnet/netfilter/ipvs/ip_vs_conn.c-926- */\n--\nnet/netfilter/ipvs/ip_vs_conn.c=1352=struct ip_vs_conn *\nnet/netfilter/ipvs/ip_vs_conn.c:1353:ip_vs_conn_new(const struct ip_vs_conn_param *p, int dest_af,\nnet/netfilter/ipvs/ip_vs_conn.c-1354-\t       const union nf_inet_addr *daddr, __be16 dport, unsigned int flags,\n--\nnet/netfilter/ipvs/ip_vs_core.c=57=EXPORT_SYMBOL(ip_vs_proto_name);\nnet/netfilter/ipvs/ip_vs_core.c:58:EXPORT_SYMBOL(ip_vs_conn_new);\nnet/netfilter/ipvs/ip_vs_core.c-59-EXPORT_SYMBOL(ip_vs_conn_in_get);\n--\nnet/netfilter/ipvs/ip_vs_core.c=431=ip_vs_sched_persist(struct ip_vs_service *svc,\n--\nnet/netfilter/ipvs/ip_vs_core.c-548-\t\t * when the template expires */\nnet/netfilter/ipvs/ip_vs_core.c:549:\t\tct = ip_vs_conn_new(\u0026param, dest-\u003eaf, \u0026dest-\u003eaddr, dport,\nnet/netfilter/ipvs/ip_vs_core.c-550-\t\t\t\t    IP_VS_CONN_F_TEMPLATE, dest, skb-\u003emark);\n--\nnet/netfilter/ipvs/ip_vs_core.c-577-\nnet/netfilter/ipvs/ip_vs_core.c:578:\tcp = ip_vs_conn_new(\u0026param, dest-\u003eaf, \u0026dest-\u003eaddr, dport, flags, dest,\nnet/netfilter/ipvs/ip_vs_core.c-579-\t\t\t    skb-\u003emark);\n--\nnet/netfilter/ipvs/ip_vs_core.c-612- * -1 :  scheduler tried to schedule but fatal error occurred, eg.\nnet/netfilter/ipvs/ip_vs_core.c:613: *       ip_vs_conn_new failure (ENOMEM) or ip_vs_sip_fill_param\nnet/netfilter/ipvs/ip_vs_core.c-614- *       failure such as missing Call-ID, ENOMEM on skb_linearize\n--\nnet/netfilter/ipvs/ip_vs_core.c=619=ip_vs_schedule(struct ip_vs_service *svc, struct sk_buff *skb,\n--\nnet/netfilter/ipvs/ip_vs_core.c-726-\t\t\t\t      caddr, cport, vaddr, vport, \u0026p);\nnet/netfilter/ipvs/ip_vs_core.c:727:\t\tcp = ip_vs_conn_new(\u0026p, dest-\u003eaf, \u0026dest-\u003eaddr,\nnet/netfilter/ipvs/ip_vs_core.c-728-\t\t\t\t    dest-\u003eport ? dest-\u003eport : vport,\n--\nnet/netfilter/ipvs/ip_vs_core.c=763=int ip_vs_leave(struct ip_vs_service *svc, struct sk_buff *skb,\n--\nnet/netfilter/ipvs/ip_vs_core.c-794-\t\t\t\t\t      \u0026iph-\u003edaddr, pptr[1], \u0026p);\nnet/netfilter/ipvs/ip_vs_core.c:795:\t\t\tcp = ip_vs_conn_new(\u0026p, svc-\u003eaf, \u0026daddr, 0,\nnet/netfilter/ipvs/ip_vs_core.c-796-\t\t\t\t\t    IP_VS_CONN_F_BYPASS | flags,\n--\nnet/netfilter/ipvs/ip_vs_core.c=1307=struct ip_vs_conn *ip_vs_new_conn_out(struct ip_vs_service *svc,\n--\nnet/netfilter/ipvs/ip_vs_core.c-1349-\t\tif (!ct || !ip_vs_check_template(ct, dest)) {\nnet/netfilter/ipvs/ip_vs_core.c:1350:\t\t\tct = ip_vs_conn_new(\u0026param, dest-\u003eaf, daddr, dport,\nnet/netfilter/ipvs/ip_vs_core.c-1351-\t\t\t\t\t    IP_VS_CONN_F_TEMPLATE, dest, 0);\n--\nnet/netfilter/ipvs/ip_vs_core.c-1367-\t\t\t      caddr, cport, vaddr, vport, \u0026param);\nnet/netfilter/ipvs/ip_vs_core.c:1368:\tcp = ip_vs_conn_new(\u0026param, dest-\u003eaf, daddr, dport, flags, dest, 0);\nnet/netfilter/ipvs/ip_vs_core.c-1369-\tif (!cp) {\n--\nnet/netfilter/ipvs/ip_vs_ftp.c=248=static int ip_vs_ftp_out(struct ip_vs_app *app, struct ip_vs_conn *cp,\n--\nnet/netfilter/ipvs/ip_vs_ftp.c-330-\t\t\t\t      0, \u0026cp-\u003evaddr, port, \u0026p);\nnet/netfilter/ipvs/ip_vs_ftp.c:331:\t\tn_cp = ip_vs_conn_new(\u0026p, cp-\u003eaf, \u0026from, port,\nnet/netfilter/ipvs/ip_vs_ftp.c-332-\t\t\t\t      IP_VS_CONN_F_NO_CPORT |\n--\nnet/netfilter/ipvs/ip_vs_ftp.c=418=static int ip_vs_ftp_in(struct ip_vs_app *app, struct ip_vs_conn *cp,\n--\nnet/netfilter/ipvs/ip_vs_ftp.c-535-\t\tif (!n_cp) {\nnet/netfilter/ipvs/ip_vs_ftp.c:536:\t\t\tn_cp = ip_vs_conn_new(\u0026p, cp-\u003eaf, \u0026cp-\u003edaddr,\nnet/netfilter/ipvs/ip_vs_ftp.c-537-\t\t\t\t\t      htons(ntohs(cp-\u003edport)-1),\n--\nnet/netfilter/ipvs/ip_vs_sync.c=841=static void ip_vs_proc_conn(struct netns_ipvs *ipvs, struct ip_vs_conn_param *param,\n--\nnet/netfilter/ipvs/ip_vs_sync.c-910-\nnet/netfilter/ipvs/ip_vs_sync.c:911:\t\tcp = ip_vs_conn_new(param, type, daddr, dport, flags, dest,\nnet/netfilter/ipvs/ip_vs_sync.c-912-\t\t\t\t    fwmark);\n"
}

gemini-3.1-pro-preview

							input: 5470
							output: 36
							thoughts: 130

**Analyzing the IPVS Connection Creation Patch**

Okay, so the function `ip_vs_conn_new` is called all over the place. That immediately flags this as important because it's part of the IPVS core, and a bug here could be widespread. The patch targets an uninitialized memory issue within `ip_vs_conn_new` during connection allocation. Given the potential impact, this is screaming for some serious fuzzing.

Before I dive in, I need to understand the environment. What configurations are relevant here? `IP_VS` is the obvious one, but are there any others that might impact this specific code path? Let me check the kernel config for any hidden dependencies.

The patch itself is located in `net/netfilter/ipvs/ip_vs_conn.c`, so I should be able to cross-reference to the Makefile for the module. A quick look in `net/netfilter/ipvs/Makefile` should tell me if there are any other pre-requisites for getting this running.

{
  "File": "net/netfilter/ipvs/Makefile",
  "FirstLine": 1,
  "LineCount": 100
}

{
  "Contents": "   1:\t# SPDX-License-Identifier: GPL-2.0\n   2:\t#\n   3:\t# Makefile for the IPVS modules on top of IPv4.\n   4:\t#\n   5:\t\n   6:\t# IPVS transport protocol load balancing support\n   7:\tip_vs_proto-objs-y :=\n   8:\tip_vs_proto-objs-$(CONFIG_IP_VS_PROTO_TCP) += ip_vs_proto_tcp.o\n   9:\tip_vs_proto-objs-$(CONFIG_IP_VS_PROTO_UDP) += ip_vs_proto_udp.o\n  10:\tip_vs_proto-objs-$(CONFIG_IP_VS_PROTO_AH_ESP) += ip_vs_proto_ah_esp.o\n  11:\tip_vs_proto-objs-$(CONFIG_IP_VS_PROTO_SCTP) += ip_vs_proto_sctp.o\n  12:\t\n  13:\tip_vs-extra_objs-y :=\n  14:\tip_vs-extra_objs-$(CONFIG_IP_VS_NFCT) += ip_vs_nfct.o\n  15:\t\n  16:\tip_vs-objs :=\tip_vs_conn.o ip_vs_core.o ip_vs_ctl.o ip_vs_sched.o\t   \\\n  17:\t\t\tip_vs_xmit.o ip_vs_app.o ip_vs_sync.o\t   \t\t   \\\n  18:\t\t\tip_vs_est.o ip_vs_proto.o ip_vs_pe.o\t\t\t   \\\n  19:\t\t\t$(ip_vs_proto-objs-y) $(ip_vs-extra_objs-y)\n  20:\t\n  21:\t\n  22:\t# IPVS core\n  23:\tobj-$(CONFIG_IP_VS) += ip_vs.o\n  24:\t\n  25:\t# IPVS schedulers\n  26:\tobj-$(CONFIG_IP_VS_RR) += ip_vs_rr.o\n  27:\tobj-$(CONFIG_IP_VS_WRR) += ip_vs_wrr.o\n  28:\tobj-$(CONFIG_IP_VS_LC) += ip_vs_lc.o\n  29:\tobj-$(CONFIG_IP_VS_WLC) += ip_vs_wlc.o\n  30:\tobj-$(CONFIG_IP_VS_FO) += ip_vs_fo.o\n  31:\tobj-$(CONFIG_IP_VS_OVF) += ip_vs_ovf.o\n  32:\tobj-$(CONFIG_IP_VS_LBLC) += ip_vs_lblc.o\n  33:\tobj-$(CONFIG_IP_VS_LBLCR) += ip_vs_lblcr.o\n  34:\tobj-$(CONFIG_IP_VS_DH) += ip_vs_dh.o\n  35:\tobj-$(CONFIG_IP_VS_SH) += ip_vs_sh.o\n  36:\tobj-$(CONFIG_IP_VS_MH) += ip_vs_mh.o\n  37:\tobj-$(CONFIG_IP_VS_SED) += ip_vs_sed.o\n  38:\tobj-$(CONFIG_IP_VS_NQ) += ip_vs_nq.o\n  39:\tobj-$(CONFIG_IP_VS_TWOS) += ip_vs_twos.o\n  40:\t\n  41:\t# IPVS application helpers\n  42:\tobj-$(CONFIG_IP_VS_FTP) += ip_vs_ftp.o\n  43:\t\n  44:\t# IPVS connection template retrievers\n  45:\tobj-$(CONFIG_IP_VS_PE_SIP) += ip_vs_pe_sip.o\n  46:\tifdef CONFIG_GCOV_PROFILE_IPVS\n  47:\tGCOV_PROFILE := y\n  48:\tendif\n"
}

gemini-3.1-pro-preview

							input: 6840
							output: 108
							thoughts: 417

**My Analysis of the IPVS Connection Module**

Okay, let's break this down from a fuzzing perspective. First, I'm noting that `ip_vs_conn.o` is part of the broader `ip_vs-objs` module, and that the `IP_VS` configuration option is the only dependency here. No surprises there; standard stuff.

Now, onto the meat of it, `FocusSymbols`. The modified function is `ip_vs_conn_new`. My initial thought is to quickly assess if `ip_vs_conn_new` is a hot-path function, which it is, as it creates a new connection when one is established. This makes it a potential target. However, I want to see if other functions calling `ip_vs_conn_new` might offer better entry points. I checked the call sites: `ip_vs_schedule`, `ip_vs_new_conn_out`, `ip_vs_ftp_out`, `ip_vs_ftp_in`, and `ip_vs_proc_conn` (specifically from the sync process) all lead here. However, `ip_vs_conn_new` itself is also looking good.

A quick check to see if `ip_vs_conn_new` is static or exported revealed the latter: `EXPORT_SYMBOL(ip_vs_conn_new);` That's important! It means this function can be called from other modules, expanding the attack surface. This confirms my initial assessment, so I'll add `ip_vs_conn_new` to the `FocusSymbols` list.

Just to be absolutely certain, I re-reviewed the patch, and the only modification is indeed to `ip_vs_conn_new`.

Therefore, my final summary is: I'm marking this as `WorthFuzzing: true` given that the patch targets a key connection creation function. The target function for fuzzing is `FocusSymbols: ["ip_vs_conn_new"]`. The minimal required configuration is `EnableConfigs: ["IP_VS"]`. My reasoning is the patch fixes an uninitialized memory vulnerability within `ip_vs_conn_new`, specifically zeroing out the `ip_vs_seq` struct. This is a functional change within the IPVS core logic and is triggered when new IPVS connections are established. This seems a worthwhile target for fuzzing.

{
  "EnableConfigs": [
    "IP_VS"
  ],
  "FocusSymbols": [
    "ip_vs_conn_new"
  ],
  "Reasoning": "The patch fixes an uninitialized memory issue in `ip_vs_conn_new` by zeroing out the entire `ip_vs_seq` structs instead of just the `delta` field. This is a functional change in the IPVS core logic that can be reached when establishing new IPVS connections.",
  "WorthFuzzing": true
}

{
  "EnableConfigs": [
    "IP_VS"
  ],
  "FocusSymbols": [
    "ip_vs_conn_new"
  ],
  "Reasoning": "The patch fixes an uninitialized memory issue in `ip_vs_conn_new` by zeroing out the entire `ip_vs_seq` structs instead of just the `delta` field. This is a functional change in the IPVS core logic that can be reached when establishing new IPVS connections.",
  "WorthFuzzing": true
}

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)