crash in web socket (IDFGH-16767)

[aiotfactory]

Answers checklist.

• I have read the documentation for esp-protocols components and the issue is not addressed there.
• I have updated my esp-protocols branch (master or release) to the latest version and checked that the issue is present there.
• I have searched the issue tracker for a similar issue and not found a similar issue.

General issue report

It not always crashes, but sometimes, it will crash like below.

I am using esp32s2, idf 5.5.1 and esp websocket 1.5.0

Guru Meditation Error: Core 1 panic'ed (LoadProhibited). Exception was unhandled.

Core 1 register dump:
PC : 0x40056ece PS : 0x00060030 A0 : 0x820a0932 A1 : 0x3fcc9380
--- 0x40056ece: memcmp in ROM
A2 : 0x00000000 A3 : 0x3c2c2774 A4 : 0x00000008 A5 : 0x00000000
--- 0x00000000: $xrv32i2p1_m2p0_c2p0_zmmul1p0 at ulp_riscv_vectors.S.obj:?
--- 0x00000008: $xrv32i2p1_m2p0_c2p0_zmmul1p0 at ulp_riscv_vectors.S.obj:?
--- 0x00000000: $xrv32i2p1_m2p0_c2p0_zmmul1p0 at ulp_riscv_vectors.S.obj:?
A6 : 0x3fce9db0 A7 : 0x00000000 A8 : 0x00000002 A9 : 0x3fcc9340
--- 0x00000000: $xrv32i2p1_m2p0_c2p0_zmmul1p0 at ulp_riscv_vectors.S.obj:?
--- 0x00000002: $xrv32i2p1_m2p0_c2p0_zmmul1p0 at ulp_riscv_vectors.S.obj:?
A10 : 0x3c2c5b94 A11 : 0x00001155 A12 : 0x00000404 A13 : 0x00060023
A14 : 0x00000001 A15 : 0x00000001 SAR : 0x00000018 EXCCAUSE: 0x0000001c
--- 0x00000001: $xrv32i2p1_m2p0_c2p0_zmmul1p0 at ulp_riscv_vectors.S.obj:?
--- 0x00000001: $xrv32i2p1_m2p0_c2p0_zmmul1p0 at ulp_riscv_vectors.S.obj:EXCVADDR: 0x00000000 LBEG : 0x40056fc5 LEND : 0x40056fe7 LCOUNT : 0xffffffff
?
--- 0x00000018: irq_vector at ??:?
--- 0x0000001c: irq_vector at ??:?
--- 0x00000000: $xrv32i2p1_m2p0_c2p0_zmmul1p0 at ulp_riscv_vectors.S.obj:?
--- 0x40056fc5: memcpy in ROM
--- 0x40056fe7: memcpy in ROM

Backtrace: 0x40056ecb:0x3fcc9380 0x420a092f:0x3fcc93a0 0x420a19b6:0x3fcc93c0 0x420a36ca:0x3fcc93e0 0x4209c309:0x3fcc9400 0x420f9a4e:0x3fcc9420 0x4209d708:0x3fcc9440 0x420f9bbf:0x3fcc9480 0x4209e5ad:0x3fcc94a0 0x4209e658:0x3fcc94d0 0x4206ac80:0x3fcc94f0 0x4206ad01:0x3fcc9530 0x42011173:0x3fcc9550
--- 0x40056ecb: memcmp in ROM
--- 0x420a092f: ssl_check_ctr_renegotiate at D:/esp32/espressif/frameworks/esp-idf-v5.5.1/components/mbedtls/mbedtls/library/ssl_msg.c:5693
--- 0x420a19b6: mbedtls_ssl_write at D:/esp32/espressif/frameworks/esp-idf-v5.5.1/components/mbedtls/mbedtls/library/ssl_msg.c:6198
--- 0x420a36ca: __wrap_mbedtls_ssl_write at D:/esp32/espressif/frameworks/esp-idf-v5.5.1/components/mbedtls/port/dynamic/esp_ssl_tls.c:336
--- 0x4209c309: esp_mbedtls_write at D:/esp32/espressif/frameworks/esp-idf-v5.5.1/components/esp-tls/esp_tls_mbedtls.c:402
--- 0x420f9a4e: esp_tls_conn_write at D:/esp32/espressif/frameworks/esp-idf-v5.5.1/components/esp-tls/esp_tls.c:148
--- 0x4209d708: ssl_write at D:/esp32/espressif/frameworks/esp-idf-v5.5.1/components/tcp_transport/transport_ssl.c:229
--- 0x420f9bbf: esp_transport_write at D:/esp32/espressif/frameworks/esp-idf-v5.5.1/components/tcp_transport/transport.c:148
--- 0x4209e5ad: _ws_write at D:/esp32/espressif/frameworks/esp-idf-v5.5.1/components/tcp_transport/transport_ws.c:420
--- 0x4209e658: esp_transport_ws_send_raw at D:/esp32/espressif/frameworks/esp-idf-v5.5.1/components/tcp_transport/transport_ws.c

ELF file SHA256: a029bd3a7

Rebooting...
���ESP-ROM:esp32s3-20210327
Build:Mar 27 2021
rst:0xc (RTC_SW_CPU_RST),boot:0x8 (SPI_FAST_FLASH_BOOT)
Saved PC:0x40056fc5
:448
--- 0x4206ac80: esp_websocket_client_send_with_exact_opcode at D:/esp32/projects/dc02/managed_components/espressif__esp_websocket_client/esp_websocket_client.c:649
--- 0x4206ad01: esp_websocket_client_send_with_opcode at D:/esp32/projects/dc02/managed_components/espressif__esp_websocket_client/esp_websocket_client.c:1352
--- (inlined by) esp_websocket_client_send_bin at D:/esp32/projects/dc02/managed_components/espressif__esp_websocket_client/esp_websocket_client.c:1337
--- 0x42011173: audio_websocket_send at D:/esp32/projects/dc02/main/util_websocket.c:304
--- (inlined by) audio_websocket_stt_task at D:/esp32/projects/dc02/main/util_websocket.c:392
SPIWP:0xee
mode:DIO, clock div:1
load:0x3fce2820,len:0x188c
load:0x403c8700,len:0xf44
--- 0x40056fc5: memcpy in ROM
--- 0x403c8700: _stext at ??:?
load:0x403cb700,len:0x3758
entry 0x403c89c4
--- 0x403c89c4: call_start_cpu0 at D:/esp32/espressif/frameworks/esp-idf-v5.5.1/components/bootloader/subproject/main/bootloader_start.c:25
I (29) boot: ESP-IDF v5.5.1 2nd stage bootloader
I (29) boot: compile time Nov 7 2025 20:04:04